ci2-android-5-15/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-5-15/syz-executor2651529187 <...> = -1 EAGAIN (Resource temporarily unavailable) [pid 2336] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2348] <... futex resumed>) = 0 [pid 2347] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2346] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2344] <... futex resumed>) = 0 [pid 2343] exit_group(0 [pid 2342] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2348] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2347] <... mmap resumed>) = 0x7f85c0c15000 [pid 2346] <... futex resumed>) = ? [pid 2344] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2343] <... exit_group resumed>) = ? [pid 2342] <... futex resumed>) = 0 [pid 2338] exit_group(0 [pid 2336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2348] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2347] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2346] +++ exited with 0 +++ [pid 2343] +++ exited with 0 +++ [pid 2344] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 2338] <... exit_group resumed>) = ? [pid 2336] exit_group(0 [pid 2348] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2347] <... mprotect resumed>) = 0 [pid 2344] +++ exited with 0 +++ [pid 2342] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2347] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2347] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[2349]}, 88) = 2349 [pid 2347] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2338] +++ exited with 0 +++ [pid 2347] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2336] <... exit_group resumed>) = ? [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2338, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2348] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2347] <... futex resumed>) = 0 [pid 2342] <... futex resumed>) = ? [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2343, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2347] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 2349 attached [pid 2349] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2349] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2349] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 2342] +++ exited with 0 +++ [pid 2336] +++ exited with 0 +++ [pid 2349] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... restart_syscall resumed>) = 0 [pid 2347] <... futex resumed>) = 0 [pid 2347] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2336, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2348] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2347] <... futex resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2348] <... mmap resumed>) = 0x7f85c0c15000 [pid 2347] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2348] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2348] <... mprotect resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2349] <... futex resumed>) = 1 [pid 2349] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 2349] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2347] <... futex resumed>) = 0 [pid 2347] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2348] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2347] <... futex resumed>) = 0 [pid 2347] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2349] <... futex resumed>) = 1 [pid 2349] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 2349] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... restart_syscall resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2351 [pid 2348] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2350 [pid 2348] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2347] <... futex resumed>) = 0 [pid 2347] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2347] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2349] <... futex resumed>) = 1 [pid 2349] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 2349] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2352 [pid 2348] <... clone3 resumed> => {parent_tid=[2353]}, 88) = 2353 [pid 2347] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 2348] rt_sigprocmask(SIG_SETMASK, [] [pid 2347] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2348] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2347] <... futex resumed>) = 0 [pid 2348] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2347] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2348] <... futex resumed>) = 0 [pid 2349] <... futex resumed>) = 1 [pid 2349] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2348] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2352 attached ci2-android-5-15/strace-static-x86_64: Process 2350 attached [pid 2349] <... mkdirat resumed>) = 0 [pid 2350] set_robust_list(0x5555810c5760, 24 [pid 2349] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2347] <... futex resumed>) = 0 [pid 2347] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2347] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2349] <... futex resumed>) = 1 [pid 2349] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 2349] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2347] <... futex resumed>) = 0 [pid 2347] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2347] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2349] <... futex resumed>) = 1 [pid 2349] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2350] <... set_robust_list resumed>) = 0 [pid 2349] <... unlinkat resumed>) = 0 [pid 2349] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2347] <... futex resumed>) = 0 [pid 2347] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2347] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2350] rt_sigprocmask(SIG_SETMASK, [] [pid 2349] <... futex resumed>) = 1 [pid 2349] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2350] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2349] <... unlinkat resumed>) = 0 [pid 2352] set_robust_list(0x5555810c5760, 24 [pid 2349] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2347] <... futex resumed>) = 0 [pid 2347] exit_group(0) = ? [pid 2349] <... futex resumed>) = ? [pid 2352] <... set_robust_list resumed>) = 0 [pid 2350] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2349] +++ exited with 0 +++ [pid 2347] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 2351 attached [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2347, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2351] set_robust_list(0x5555810c5760, 24 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2351] <... set_robust_list resumed>) = 0 [pid 2351] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2351] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2351] setpgid(0, 0) = 0 [pid 2351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2350] <... prctl resumed>) = 0 [pid 2351] write(3, "1000", 4 [pid 2352] rt_sigprocmask(SIG_SETMASK, [] [pid 2350] setpgid(0, 0 [pid 2351] <... write resumed>) = 4 [pid 2351] close(3) = 0 [pid 2351] write(1, "executing program\n", 18) = 18 [pid 2351] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 2351] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2351] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2351] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2351] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2351] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2350] <... setpgid resumed>) = 0 [pid 2351] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2352] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2351] <... clone3 resumed> => {parent_tid=[2354]}, 88) = 2354 [pid 2351] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2351] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2351] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2353 attached [pid 2353] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2353] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2353] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 2353] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2348] <... futex resumed>) = 0 [pid 2353] mount(NULL, "./config", "configfs", 0, NULL [pid 2348] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2353] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2352] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2350] <... openat resumed>) = 3 [pid 2348] <... futex resumed>) = 0 [pid 2353] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2348] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2352] <... prctl resumed>) = 0 [pid 2350] write(3, "1000", 4 [pid 2348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2353] <... futex resumed>) = 0 [pid 2348] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2350] <... write resumed>) = 4 [pid 2352] setpgid(0, 0 [pid 2348] <... futex resumed>) = 0 [pid 2353] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2348] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2352] <... setpgid resumed>) = 0 [pid 2350] close(3 [pid 2353] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2353] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2348] <... futex resumed>) = 0 [pid 2350] <... close resumed>) = 0 [pid 2348] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2353] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2350] write(1, "executing program\n", 18 [pid 2348] <... futex resumed>) = 0 [pid 2352] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2348] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2350] <... write resumed>) = 18 [pid 2353] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2353] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2350] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2353] <... futex resumed>) = 1 [pid 2350] <... futex resumed>) = 0 [pid 2348] <... futex resumed>) = 0 executing program [pid 2353] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2350] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2348] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2352] <... openat resumed>) = 3 [pid 2350] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2348] <... futex resumed>) = 0 [pid 2352] write(3, "1000", 4 [pid 2350] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2348] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2352] <... write resumed>) = 4 [pid 2350] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2353] <... mkdirat resumed>) = 0 [pid 2352] close(3 [pid 2350] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2353] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2348] <... futex resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 2350] <... mmap resumed>) = 0x7f85c0c15000 [pid 2348] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2352] <... close resumed>) = 0 [pid 2350] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2348] <... futex resumed>) = 0 [pid 2348] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2350] <... mprotect resumed>) = 0 [pid 2352] write(1, "executing program\n", 18 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2352] <... write resumed>) = 18 [pid 2350] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2353] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 2353] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2350] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2348] <... futex resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2355 [pid 2352] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 2350] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2348] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2352] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 2348] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2348] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2352] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}ci2-android-5-15/strace-static-x86_64: Process 2354 attached [pid 2353] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0ci2-android-5-15/strace-static-x86_64: Process 2356 attached [pid 2354] set_robust_list(0x7f85c0c359a0, 24 [pid 2353] <... unlinkat resumed>) = 0 [pid 2352] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2350] <... clone3 resumed> => {parent_tid=[2356]}, 88) = 2356 [pid 2354] <... set_robust_list resumed>) = 0 [pid 2353] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2352] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2354] rt_sigprocmask(SIG_SETMASK, [] [pid 2353] <... futex resumed>) = 1 [pid 2352] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2350] rt_sigprocmask(SIG_SETMASK, [] [pid 2348] <... futex resumed>) = 0 [pid 2354] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2353] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2352] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2354] mkdirat(AT_FDCWD, "./config", 0777 [pid 2350] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2352] <... mmap resumed>) = 0x7f85c0c15000 [pid 2348] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2350] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2352] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2354] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2353] <... futex resumed>) = 0 [pid 2350] <... futex resumed>) = 0 [pid 2348] <... futex resumed>) = 1 [pid 2354] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2353] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2356] set_robust_list(0x7f85c0c359a0, 24 [pid 2354] <... futex resumed>) = 1 [pid 2353] <... unlinkat resumed>) = 0 [pid 2352] <... mprotect resumed>) = 0 [pid 2351] <... futex resumed>) = 0 [pid 2350] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2348] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2355 attached [pid 2354] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2353] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2352] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2351] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2355] set_robust_list(0x5555810c5760, 24 [pid 2354] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2353] <... futex resumed>) = 0 [pid 2352] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2355] <... set_robust_list resumed>) = 0 [pid 2354] mount(NULL, "./config", "configfs", 0, NULL [pid 2353] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2352] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2351] <... futex resumed>) = 0 [pid 2348] exit_group(0 [pid 2356] <... set_robust_list resumed>) = 0 [pid 2355] rt_sigprocmask(SIG_SETMASK, [] [pid 2354] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2353] <... futex resumed>) = ? [pid 2348] <... exit_group resumed>) = ? [pid 2355] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2354] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2353] +++ exited with 0 +++ [pid 2351] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2355] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2354] <... futex resumed>) = 0 [pid 2355] <... prctl resumed>) = 0 [pid 2354] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2355] setpgid(0, 0) = 0 [pid 2348] +++ exited with 0 +++ [pid 2355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2352] <... clone3 resumed> => {parent_tid=[2357]}, 88) = 2357 [pid 2351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2352] rt_sigprocmask(SIG_SETMASK, [] [pid 2351] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2352] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2348, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2355] <... openat resumed>) = 3 [pid 2354] <... futex resumed>) = 0 [pid 2352] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2351] <... futex resumed>) = 1 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2355] write(3, "1000", 4 [pid 2354] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2352] <... futex resumed>) = 0 [pid 2351] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2355] <... write resumed>) = 4 [pid 2354] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2355] close(3 [pid 2354] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2352] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2355] <... close resumed>) = 0 [pid 2354] <... futex resumed>) = 0 [pid 2351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2355] write(1, "executing program\n", 18 [pid 2354] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2351] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2355] <... write resumed>) = 18 [pid 2354] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2351] <... futex resumed>) = 0 [pid 2355] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 2354] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2351] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2355] <... futex resumed>) = 0 [pid 2354] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2355] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2354] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2355] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2354] <... futex resumed>) = 1 [pid 2351] <... futex resumed>) = 0 [pid 2355] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2354] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2351] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2355] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2354] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2351] <... futex resumed>) = 0 [pid 2355] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2354] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2351] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2356] rt_sigprocmask(SIG_SETMASK, [] [pid 2355] <... mmap resumed>) = 0x7f85c0c15000 [pid 2354] <... mkdirat resumed>) = 0 [pid 2355] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2354] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2355] <... mprotect resumed>) = 0 [pid 2354] <... futex resumed>) = 1 [pid 2351] <... futex resumed>) = 0 [pid 2355] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2354] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2351] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2357 attached [pid 2355] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2354] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2351] <... futex resumed>) = 0 [pid 2357] set_robust_list(0x7f85c0c359a0, 24 [pid 2356] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2355] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2354] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2351] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2357] <... set_robust_list resumed>) = 0 [pid 2356] mkdirat(AT_FDCWD, "./config", 0777 [pid 2354] <... symlinkat resumed>) = 0 [pid 2357] rt_sigprocmask(SIG_SETMASK, [] [pid 2355] <... clone3 resumed> => {parent_tid=[2358]}, 88) = 2358 [pid 2354] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2357] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2355] rt_sigprocmask(SIG_SETMASK, [] [pid 2354] <... futex resumed>) = 1 [pid 2351] <... futex resumed>) = 0 [pid 2357] mkdirat(AT_FDCWD, "./config", 0777 [pid 2355] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2354] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2351] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2357] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2355] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2354] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2351] <... futex resumed>) = 0 [pid 2357] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2355] <... futex resumed>) = 0 [pid 2354] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2351] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2357] <... futex resumed>) = 1 [pid 2356] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2355] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2354] <... unlinkat resumed>) = 0 [pid 2352] <... futex resumed>) = 0 [pid 2357] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2354] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2352] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2356] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2354] <... futex resumed>) = 1 [pid 2351] <... futex resumed>) = 0 [pid 2357] mount(NULL, "./config", "configfs", 0, NULL [pid 2354] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2352] <... futex resumed>) = 0 [pid 2351] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2350] <... futex resumed>) = 0 [pid 2356] <... futex resumed>) = 1 [pid 2357] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2354] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2352] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2351] <... futex resumed>) = 0 [pid 2350] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2357] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2356] mount(NULL, "./config", "configfs", 0, NULL [pid 2354] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2352] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2351] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2350] <... futex resumed>) = 0 [pid 2357] <... futex resumed>) = 0 [pid 2356] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2354] <... unlinkat resumed>) = 0 [pid 2352] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2357] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2356] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2354] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2352] <... futex resumed>) = 0 [pid 2350] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2357] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2356] <... futex resumed>) = 0 [pid 2354] <... futex resumed>) = 1 [pid 2352] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2351] <... futex resumed>) = 0 [pid 2357] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2356] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2354] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2352] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2351] exit_group(0 [pid 2350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] <... restart_syscall resumed>) = 0 [pid 2357] <... futex resumed>) = 0 [pid 2354] <... futex resumed>) = ? [pid 2352] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2351] <... exit_group resumed>) = ? [pid 2350] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2357] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2354] +++ exited with 0 +++ [pid 2352] <... futex resumed>) = 0 [pid 2351] +++ exited with 0 +++ [pid 2357] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2350] <... futex resumed>) = 1 [pid 2357] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2352] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2357] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2356] <... futex resumed>) = 0 [pid 2352] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2350] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2351, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 2358 attached [pid 2356] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2352] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2358] set_robust_list(0x7f85c0c359a0, 24 [pid 2357] <... futex resumed>) = 0 [pid 2356] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2352] <... futex resumed>) = 1 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2358] <... set_robust_list resumed>) = 0 [pid 2357] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2356] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2352] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2358] rt_sigprocmask(SIG_SETMASK, [] [pid 2357] <... mkdirat resumed>) = 0 [pid 2358] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2357] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2352] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2350] <... futex resumed>) = 0 [pid 2356] <... futex resumed>) = 1 [pid 2358] mkdirat(AT_FDCWD, "./config", 0777 [pid 2357] <... futex resumed>) = 0 [pid 2352] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2359 [pid 2358] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2357] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2358] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2357] <... symlinkat resumed>) = 0 [pid 2358] <... futex resumed>) = 1 [pid 2357] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2355] <... futex resumed>) = 0 [pid 2358] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2357] <... futex resumed>) = 0 [pid 2356] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2355] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2352] <... futex resumed>) = 0 [pid 2350] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 2358] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2357] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2356] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2355] <... futex resumed>) = 0 [pid 2352] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2350] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2360 [pid 2358] mount(NULL, "./config", "configfs", 0, NULL [pid 2356] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2355] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2358] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2356] <... futex resumed>) = 0 [pid 2352] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2350] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2356] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2352] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2358] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2357] <... futex resumed>) = 0 [pid 2352] <... futex resumed>) = 1 [pid 2350] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2358] <... futex resumed>) = 1 [pid 2357] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2355] <... futex resumed>) = 0 [pid 2352] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2356] <... futex resumed>) = 0 [pid 2350] <... futex resumed>) = 1 ci2-android-5-15/strace-static-x86_64: Process 2360 attached [pid 2358] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2357] <... unlinkat resumed>) = 0 [pid 2355] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2359 attached [pid 2358] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2357] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2356] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2355] <... futex resumed>) = 0 [pid 2350] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2359] set_robust_list(0x5555810c5760, 24 [pid 2358] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2357] <... futex resumed>) = 1 [pid 2356] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2355] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2352] <... futex resumed>) = 0 [pid 2359] <... set_robust_list resumed>) = 0 [pid 2358] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2357] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2356] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2359] rt_sigprocmask(SIG_SETMASK, [] [pid 2358] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2356] <... futex resumed>) = 1 [pid 2352] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2350] <... futex resumed>) = 0 [pid 2359] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2358] <... futex resumed>) = 1 [pid 2357] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2356] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2355] <... futex resumed>) = 0 [pid 2352] <... futex resumed>) = 0 [pid 2360] set_robust_list(0x5555810c5760, 24 [pid 2359] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2358] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2357] <... unlinkat resumed>) = 0 [pid 2356] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2355] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2352] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2350] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2359] <... prctl resumed>) = 0 [pid 2358] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2357] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2356] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2355] <... futex resumed>) = 0 [pid 2360] <... set_robust_list resumed>) = 0 [pid 2352] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2350] <... futex resumed>) = 0 [pid 2359] setpgid(0, 0 [pid 2358] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2357] <... futex resumed>) = 0 [pid 2355] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2359] <... setpgid resumed>) = 0 [pid 2358] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2357] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2356] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2352] exit_group(0 [pid 2350] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2360] rt_sigprocmask(SIG_SETMASK, [] [pid 2359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2358] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2357] <... futex resumed>) = ? [pid 2356] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2360] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2359] <... openat resumed>) = 3 [pid 2358] <... futex resumed>) = 1 [pid 2357] +++ exited with 0 +++ [pid 2356] <... futex resumed>) = 0 [pid 2355] <... futex resumed>) = 0 [pid 2352] <... exit_group resumed>) = ? [pid 2350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2359] write(3, "1000", 4 [pid 2358] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2356] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2355] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2359] <... write resumed>) = 4 [pid 2358] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2355] <... futex resumed>) = 0 [pid 2359] close(3 [pid 2358] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2355] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2360] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2359] <... close resumed>) = 0 [pid 2358] <... mkdirat resumed>) = 0 [pid 2356] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2352] +++ exited with 0 +++ [pid 2350] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2360] <... prctl resumed>) = 0 [pid 2359] write(1, "executing program\n", 18 executing program [pid 2358] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2356] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2360] setpgid(0, 0 [pid 2359] <... write resumed>) = 18 [pid 2358] <... futex resumed>) = 1 [pid 2355] <... futex resumed>) = 0 [pid 2350] <... futex resumed>) = 0 [pid 2360] <... setpgid resumed>) = 0 [pid 2359] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2358] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2356] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2355] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2350] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2352, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2359] <... futex resumed>) = 0 [pid 2358] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2356] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2355] <... futex resumed>) = 0 [pid 2350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2359] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2358] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2356] <... futex resumed>) = 0 [pid 2355] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2360] <... openat resumed>) = 3 [pid 2359] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2358] <... symlinkat resumed>) = 0 [pid 2356] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2350] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2359] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2358] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2359] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2358] <... futex resumed>) = 1 [pid 2355] <... futex resumed>) = 0 [pid 2360] write(3, "1000", 4 [pid 2359] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2358] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2356] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 2355] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2350] <... futex resumed>) = 0 [pid 2359] <... mmap resumed>) = 0x7f85c0c15000 [pid 2358] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2355] <... futex resumed>) = 0 [pid 2360] <... write resumed>) = 4 [pid 2359] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2358] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2356] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2355] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2350] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2359] <... mprotect resumed>) = 0 [pid 2358] <... unlinkat resumed>) = 0 [pid 2356] <... futex resumed>) = 0 [pid 2350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2360] close(3 [pid 2359] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2358] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2356] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2360] <... close resumed>) = 0 [pid 2359] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2358] <... futex resumed>) = 1 [pid 2355] <... futex resumed>) = 0 [pid 2350] exit_group(0 [pid 2360] write(1, "executing program\n", 18 [pid 2359] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} executing program [pid 2358] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2355] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2360] <... write resumed>) = 18 [pid 2358] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2356] <... futex resumed>) = ? [pid 2355] <... futex resumed>) = 0 [pid 2350] <... exit_group resumed>) = ? [pid 2360] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2359] <... clone3 resumed> => {parent_tid=[2361]}, 88) = 2361 [pid 2358] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2356] +++ exited with 0 +++ [pid 2355] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2359] rt_sigprocmask(SIG_SETMASK, [] [pid 2358] <... unlinkat resumed>) = 0 [pid 2359] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2358] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2359] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2358] <... futex resumed>) = 1 [pid 2355] <... futex resumed>) = 0 [pid 2359] <... futex resumed>) = 0 [pid 2358] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2355] exit_group(0 [pid 2350] +++ exited with 0 +++ [pid 2359] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2358] <... futex resumed>) = ? [pid 2355] <... exit_group resumed>) = ? [pid 311] <... restart_syscall resumed>) = 0 [pid 2360] <... futex resumed>) = 0 [pid 2360] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2358] +++ exited with 0 +++ [pid 2355] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2350, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2360] <... rt_sigaction resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 2361 attached [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2355, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2360] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2360] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2361] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2361] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2361] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 2361] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2359] <... futex resumed>) = 0 [pid 2359] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2359] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2361] <... futex resumed>) = 1 [pid 2361] mount(NULL, "./config", "configfs", 0, NULL [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2362 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2363 [pid 2360] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 2360] <... mmap resumed>) = 0x7f85c0c15000 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2361] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2360] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2361] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2360] <... mprotect resumed>) = 0 [pid 2359] <... futex resumed>) = 0 [pid 2360] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2359] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2360] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2359] <... futex resumed>) = 0 [pid 2360] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2359] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2361] <... futex resumed>) = 1 [pid 2361] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 2361] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2360] <... clone3 resumed> => {parent_tid=[2364]}, 88) = 2364 [pid 2359] <... futex resumed>) = 0 [pid 2360] rt_sigprocmask(SIG_SETMASK, [] [pid 2359] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2360] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2359] <... futex resumed>) = 0 [pid 2360] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2359] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2361] <... futex resumed>) = 1 [pid 2361] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2360] <... futex resumed>) = 0 [pid 2361] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2360] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2361] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2359] <... futex resumed>) = 0 [pid 2359] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2359] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2361] <... futex resumed>) = 1 [pid 2361] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777ci2-android-5-15/strace-static-x86_64: Process 2364 attached ci2-android-5-15/strace-static-x86_64: Process 2363 attached ) = 0 [pid 2361] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2359] <... futex resumed>) = 0 [pid 2359] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2359] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2361] <... futex resumed>) = 1 [pid 2361] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 2363] set_robust_list(0x5555810c5760, 24 [pid 2361] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2359] <... futex resumed>) = 0 [pid 2359] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2359] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2361] <... futex resumed>) = 1 [pid 2361] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 2361] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2359] <... futex resumed>) = 0 [pid 2359] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2359] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2361] <... futex resumed>) = 1 [pid 2361] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2363] <... set_robust_list resumed>) = 0 [pid 2364] set_robust_list(0x7f85c0c359a0, 24 [pid 2361] <... unlinkat resumed>) = 0 [pid 2361] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2359] <... futex resumed>) = 0 [pid 2359] exit_group(0) = ? [pid 2361] <... futex resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 2362 attached [pid 2364] <... set_robust_list resumed>) = 0 [pid 2363] rt_sigprocmask(SIG_SETMASK, [] [pid 2361] +++ exited with 0 +++ [pid 2359] +++ exited with 0 +++ [pid 2364] rt_sigprocmask(SIG_SETMASK, [] [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2359, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2364] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2363] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2364] mkdirat(AT_FDCWD, "./config", 0777 [pid 2363] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2364] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2364] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2360] <... futex resumed>) = 0 [pid 2364] mount(NULL, "./config", "configfs", 0, NULL [pid 2360] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2364] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2360] <... futex resumed>) = 0 [pid 2364] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2360] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2364] <... futex resumed>) = 0 [pid 2360] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2364] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2360] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2364] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2360] <... futex resumed>) = 0 [pid 2364] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2360] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2364] <... futex resumed>) = 0 [pid 2360] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2364] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2360] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2364] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2360] <... futex resumed>) = 0 [pid 2364] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2360] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2364] <... futex resumed>) = 0 [pid 2360] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2364] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2360] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2364] <... mkdirat resumed>) = 0 [pid 2363] <... prctl resumed>) = 0 [pid 2360] <... futex resumed>) = 0 [pid 2364] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2362] set_robust_list(0x5555810c5760, 24 [pid 2360] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2364] <... futex resumed>) = 0 [pid 2360] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2364] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2360] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2364] <... symlinkat resumed>) = 0 [pid 2360] <... futex resumed>) = 0 [pid 2364] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2360] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2364] <... futex resumed>) = 0 [pid 2360] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2364] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2360] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2364] <... unlinkat resumed>) = 0 [pid 2360] <... futex resumed>) = 0 [pid 2364] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2360] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2364] <... futex resumed>) = 0 [pid 2360] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2364] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2360] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2364] <... unlinkat resumed>) = 0 [pid 2363] setpgid(0, 0 [pid 2362] <... set_robust_list resumed>) = 0 [pid 2360] <... futex resumed>) = 0 [pid 2364] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2363] <... setpgid resumed>) = 0 [pid 2360] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2364] <... futex resumed>) = 0 [pid 2360] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2364] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2360] exit_group(0 [pid 2364] <... futex resumed>) = ? [pid 2362] rt_sigprocmask(SIG_SETMASK, [] [pid 2360] <... exit_group resumed>) = ? [pid 2364] +++ exited with 0 +++ [pid 2363] <... openat resumed>) = 3 [pid 2362] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2360] +++ exited with 0 +++ [pid 2363] write(3, "1000", 4 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2360, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2363] <... write resumed>) = 4 [pid 2362] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2363] close(3 [pid 2362] <... prctl resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] <... restart_syscall resumed>) = 0 [pid 2363] <... close resumed>) = 0 [pid 2363] write(1, "executing program\n", 18 [pid 2362] setpgid(0, 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 2363] <... write resumed>) = 18 [pid 2362] <... setpgid resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] executing program [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2363] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2363] <... futex resumed>) = 0 [pid 2362] <... openat resumed>) = 3 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2366 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 2365 attached [pid 2365] set_robust_list(0x5555810c5760, 24) = 0 [pid 2363] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2367 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2365 [pid 2362] write(3, "1000", 4 [pid 2363] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 2363] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2362] <... write resumed>) = 4 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 2363] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2362] close(3 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2363] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2365] rt_sigprocmask(SIG_SETMASK, [] [pid 2363] <... mmap resumed>) = 0x7f85c0c15000 [pid 2362] <... close resumed>) = 0 [pid 2365] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2365] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2363] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2362] write(1, "executing program\n", 18 [pid 2363] <... mprotect resumed>) = 0 [pid 2365] <... prctl resumed>) = 0 [pid 2365] setpgid(0, 0 executing program [pid 2363] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2362] <... write resumed>) = 18 [pid 2363] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2365] <... setpgid resumed>) = 0 [pid 2363] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2362] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2362] <... futex resumed>) = 0 [pid 2363] <... clone3 resumed> => {parent_tid=[2368]}, 88) = 2368 [pid 2365] write(3, "1000", 4 [pid 2363] rt_sigprocmask(SIG_SETMASK, [] [pid 2362] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2363] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2365] <... write resumed>) = 4 [pid 2365] close(3 [pid 2363] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2362] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2363] <... futex resumed>) = 0 [pid 2365] <... close resumed>) = 0 [pid 2363] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2362] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2365] write(1, "executing program\n", 18) = 18 executing program [pid 2365] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2365] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2365] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2365] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2365] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2365] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2365] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0}ci2-android-5-15/strace-static-x86_64: Process 2368 attached [pid 2362] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2365] <... clone3 resumed> => {parent_tid=[2369]}, 88) = 2369 [pid 2365] rt_sigprocmask(SIG_SETMASK, [] [pid 2362] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2365] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2362] <... mmap resumed>) = 0x7f85c0c15000 [pid 2365] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2362] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2365] <... futex resumed>) = 0 [pid 2362] <... mprotect resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2366 attached [pid 2365] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2362] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 2367 attached [pid 2366] set_robust_list(0x5555810c5760, 24 [pid 2362] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2367] set_robust_list(0x5555810c5760, 24 [pid 2366] <... set_robust_list resumed>) = 0 [pid 2362] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2367] <... set_robust_list resumed>) = 0 [pid 2366] rt_sigprocmask(SIG_SETMASK, [] [pid 2367] rt_sigprocmask(SIG_SETMASK, [] [pid 2366] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2362] <... clone3 resumed> => {parent_tid=[2370]}, 88) = 2370 [pid 2368] set_robust_list(0x7f85c0c359a0, 24ci2-android-5-15/strace-static-x86_64: Process 2370 attached [pid 2367] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2366] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2368] <... set_robust_list resumed>) = 0 [pid 2367] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2366] <... prctl resumed>) = 0 [pid 2362] rt_sigprocmask(SIG_SETMASK, [] [pid 2367] <... prctl resumed>) = 0 [pid 2366] setpgid(0, 0 [pid 2362] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2367] setpgid(0, 0 [pid 2366] <... setpgid resumed>) = 0 [pid 2362] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2367] <... setpgid resumed>) = 0 [pid 2366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2362] <... futex resumed>) = 0 [pid 2370] set_robust_list(0x7f85c0c359a0, 24 [pid 2368] rt_sigprocmask(SIG_SETMASK, [] [pid 2367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2366] <... openat resumed>) = 3 [pid 2362] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2367] <... openat resumed>) = 3 [pid 2366] write(3, "1000", 4 [pid 2368] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2367] write(3, "1000", 4 [pid 2366] <... write resumed>) = 4 [pid 2367] <... write resumed>) = 4 [pid 2366] close(3 [pid 2367] close(3 [pid 2366] <... close resumed>) = 0 [pid 2367] <... close resumed>) = 0 [pid 2366] write(1, "executing program\n", 18 [pid 2367] write(1, "executing program\n", 18 [pid 2366] <... write resumed>) = 18 [pid 2367] <... write resumed>) = 18 executing program executing program [pid 2366] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2367] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2366] <... futex resumed>) = 0 [pid 2367] <... futex resumed>) = 0 [pid 2366] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2367] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2366] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2367] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2366] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2367] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2366] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2367] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2366] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2367] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2366] <... mmap resumed>) = 0x7f85c0c15000 [pid 2367] <... mmap resumed>) = 0x7f85c0c15000 [pid 2366] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2367] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2366] <... mprotect resumed>) = 0 [pid 2367] <... mprotect resumed>) = 0 [pid 2366] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2367] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2366] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2367] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2366] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0}ci2-android-5-15/strace-static-x86_64: Process 2369 attached [pid 2370] <... set_robust_list resumed>) = 0 [pid 2368] mkdirat(AT_FDCWD, "./config", 0777 [pid 2367] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2369] set_robust_list(0x7f85c0c359a0, 24 [pid 2368] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2370] rt_sigprocmask(SIG_SETMASK, [] [pid 2369] <... set_robust_list resumed>) = 0 [pid 2367] <... clone3 resumed> => {parent_tid=[2372]}, 88) = 2372 [pid 2366] <... clone3 resumed> => {parent_tid=[2371]}, 88) = 2371 [pid 2369] rt_sigprocmask(SIG_SETMASK, [] [pid 2367] rt_sigprocmask(SIG_SETMASK, [] [pid 2366] rt_sigprocmask(SIG_SETMASK, [] [pid 2369] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2367] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2366] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2369] mkdirat(AT_FDCWD, "./config", 0777 [pid 2367] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2366] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2369] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2368] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2367] <... futex resumed>) = 0 [pid 2366] <... futex resumed>) = 0 [pid 2369] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2367] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2366] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2369] <... futex resumed>) = 1 [pid 2365] <... futex resumed>) = 0 [pid 2369] mount(NULL, "./config", "configfs", 0, NULL [pid 2365] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2369] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2365] <... futex resumed>) = 0 [pid 2369] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2365] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2369] <... futex resumed>) = 0 [pid 2365] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2369] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2365] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2369] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2365] <... futex resumed>) = 0 [pid 2370] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2369] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2368] <... futex resumed>) = 1 [pid 2365] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2363] <... futex resumed>) = 0 [pid 2369] <... futex resumed>) = 0 [pid 2368] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2365] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2363] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2369] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2365] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2369] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2368] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2365] <... futex resumed>) = 0 [pid 2363] <... futex resumed>) = 0 [pid 2369] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2368] mount(NULL, "./config", "configfs", 0, NULL [pid 2365] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2363] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2369] <... futex resumed>) = 0 [pid 2368] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2365] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2369] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2368] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2365] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2369] <... mkdirat resumed>) = 0 [pid 2368] <... futex resumed>) = 1 [pid 2365] <... futex resumed>) = 0 [pid 2363] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2372 attached [pid 2369] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2368] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2365] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2363] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2372] set_robust_list(0x7f85c0c359a0, 24 [pid 2370] mkdirat(AT_FDCWD, "./config", 0777 [pid 2369] <... futex resumed>) = 0 [pid 2368] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2365] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2363] <... futex resumed>) = 0 [pid 2372] <... set_robust_list resumed>) = 0 [pid 2370] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2369] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2368] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2365] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2371 attached [pid 2372] rt_sigprocmask(SIG_SETMASK, [] [pid 2370] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2369] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2368] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2365] <... futex resumed>) = 0 [pid 2363] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2372] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2371] set_robust_list(0x7f85c0c359a0, 24 [pid 2370] <... futex resumed>) = 1 [pid 2369] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2368] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2365] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2362] <... futex resumed>) = 0 [pid 2372] mkdirat(AT_FDCWD, "./config", 0777 [pid 2371] <... set_robust_list resumed>) = 0 [pid 2370] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2369] <... symlinkat resumed>) = 0 [pid 2368] <... futex resumed>) = 0 [pid 2363] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2372] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2371] rt_sigprocmask(SIG_SETMASK, [] [pid 2370] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2369] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2368] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2363] <... futex resumed>) = 0 [pid 2362] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2372] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2371] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2369] <... futex resumed>) = 1 [pid 2365] <... futex resumed>) = 0 [pid 2363] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2362] <... futex resumed>) = 0 [pid 2372] <... futex resumed>) = 1 [pid 2371] mkdirat(AT_FDCWD, "./config", 0777 [pid 2370] mount(NULL, "./config", "configfs", 0, NULL [pid 2369] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2368] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2367] <... futex resumed>) = 0 [pid 2365] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2372] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2371] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2369] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2367] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2365] <... futex resumed>) = 0 [pid 2372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2371] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2369] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2368] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2367] <... futex resumed>) = 0 [pid 2365] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2362] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2372] mount(NULL, "./config", "configfs", 0, NULL [pid 2371] <... futex resumed>) = 1 [pid 2370] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2369] <... unlinkat resumed>) = 0 [pid 2368] <... futex resumed>) = 1 [pid 2367] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2366] <... futex resumed>) = 0 [pid 2363] <... futex resumed>) = 0 [pid 2372] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2371] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2370] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2369] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2368] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2366] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2363] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2372] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2370] <... futex resumed>) = 1 [pid 2369] <... futex resumed>) = 1 [pid 2368] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2366] <... futex resumed>) = 0 [pid 2365] <... futex resumed>) = 0 [pid 2363] <... futex resumed>) = 0 [pid 2362] <... futex resumed>) = 0 [pid 2372] <... futex resumed>) = 1 [pid 2371] mount(NULL, "./config", "configfs", 0, NULL [pid 2369] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2368] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2367] <... futex resumed>) = 0 [pid 2366] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2365] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2372] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2371] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2370] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2369] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2368] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2367] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2365] <... futex resumed>) = 0 [pid 2363] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2362] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2371] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2370] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2369] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2368] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2367] <... futex resumed>) = 0 [pid 2365] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2362] <... futex resumed>) = 0 [pid 2372] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2371] <... futex resumed>) = 1 [pid 2370] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2369] <... unlinkat resumed>) = 0 [pid 2368] <... futex resumed>) = 0 [pid 2367] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2366] <... futex resumed>) = 0 [pid 2363] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2362] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2372] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2371] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2370] <... futex resumed>) = 0 [pid 2369] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2368] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2366] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2372] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2370] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2369] <... futex resumed>) = 1 [pid 2366] <... futex resumed>) = 0 [pid 2365] <... futex resumed>) = 0 [pid 2363] <... futex resumed>) = 0 [pid 2362] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2372] <... futex resumed>) = 1 [pid 2371] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2369] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2368] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2367] <... futex resumed>) = 0 [pid 2366] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2365] exit_group(0 [pid 2363] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2362] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2372] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2371] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2369] <... futex resumed>) = ? [pid 2368] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2367] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2370] <... futex resumed>) = 0 [pid 2365] <... exit_group resumed>) = ? [pid 2363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2362] <... futex resumed>) = 1 [pid 2372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2371] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2370] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2369] +++ exited with 0 +++ [pid 2368] <... futex resumed>) = 0 [pid 2367] <... futex resumed>) = 0 [pid 2365] +++ exited with 0 +++ [pid 2363] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2362] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2372] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2371] <... futex resumed>) = 1 [pid 2367] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2366] <... futex resumed>) = 0 [pid 2372] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2371] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2370] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2368] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2366] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2363] <... futex resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2365, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2372] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2366] <... futex resumed>) = 0 [pid 2372] <... futex resumed>) = 1 [pid 2371] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2370] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2368] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2367] <... futex resumed>) = 0 [pid 2366] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2363] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2372] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2371] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2370] <... futex resumed>) = 1 [pid 2368] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2367] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2362] <... futex resumed>) = 0 [pid 2372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2371] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2370] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2368] <... futex resumed>) = 0 [pid 2367] <... futex resumed>) = 0 [pid 2363] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2372] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2371] <... futex resumed>) = 1 [pid 2370] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2368] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2367] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2366] <... futex resumed>) = 0 [pid 2363] <... futex resumed>) = 0 [pid 2362] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2372] <... mkdirat resumed>) = 0 [pid 2371] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2370] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2366] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2372] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2368] <... unlinkat resumed>) = 0 [pid 2366] <... futex resumed>) = 0 [pid 2363] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2362] <... futex resumed>) = 0 [pid 2372] <... futex resumed>) = 1 [pid 2371] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2370] <... mkdirat resumed>) = 0 [pid 2368] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2367] <... futex resumed>) = 0 [pid 2366] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2362] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2372] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2371] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2370] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2368] <... futex resumed>) = 0 [pid 2367] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2363] exit_group(0 [pid 2372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2371] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2370] <... futex resumed>) = 0 [pid 2367] <... futex resumed>) = 0 [pid 2363] <... exit_group resumed>) = ? [pid 2362] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] <... restart_syscall resumed>) = 0 [pid 2372] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2371] <... futex resumed>) = 1 [pid 2370] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2368] +++ exited with 0 +++ [pid 2367] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2366] <... futex resumed>) = 0 [pid 2372] <... symlinkat resumed>) = 0 [pid 2371] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2366] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2372] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2366] <... futex resumed>) = 0 [pid 2372] <... futex resumed>) = 1 [pid 2371] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2367] <... futex resumed>) = 0 [pid 2366] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2363] +++ exited with 0 +++ [pid 2362] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2372] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2371] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 2370] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2367] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2362] <... futex resumed>) = 0 [pid 2372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2371] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2370] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2367] <... futex resumed>) = 0 [pid 2372] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2371] <... futex resumed>) = 1 [pid 2367] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2366] <... futex resumed>) = 0 [pid 2362] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2363, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2372] <... unlinkat resumed>) = 0 [pid 2371] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2370] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 2366] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2372] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2370] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2366] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2372] <... futex resumed>) = 1 [pid 2371] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2370] <... futex resumed>) = 1 [pid 2367] <... futex resumed>) = 0 [pid 2366] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2362] <... futex resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2372] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2371] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2370] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2367] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2362] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2371] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2367] <... futex resumed>) = 0 [pid 2372] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2371] <... futex resumed>) = 1 [pid 2367] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2366] <... futex resumed>) = 0 [pid 2372] <... unlinkat resumed>) = 0 [pid 2371] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2366] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2372] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2370] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2366] <... futex resumed>) = 0 [pid 2362] <... futex resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2373 [pid 2372] <... futex resumed>) = 1 [pid 2371] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2370] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2367] <... futex resumed>) = 0 [pid 2366] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2362] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2372] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2371] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2370] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2367] exit_group(0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2374 [pid 2372] <... futex resumed>) = ? [pid 2371] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2370] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2367] <... exit_group resumed>) = ? [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 2374 attached [pid 2372] +++ exited with 0 +++ [pid 2371] <... futex resumed>) = 1 [pid 2370] <... futex resumed>) = 1 [pid 2367] +++ exited with 0 +++ [pid 2366] <... futex resumed>) = 0 [pid 2362] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 2371] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2370] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL executing program [pid 2366] exit_group(0 [pid 2362] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2371] <... futex resumed>) = ? [pid 2370] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2366] <... exit_group resumed>) = ? [pid 2362] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2367, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2374] set_robust_list(0x5555810c5760, 24 [pid 2371] +++ exited with 0 +++ [pid 2370] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2366] +++ exited with 0 +++ [pid 2362] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2366, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 2373 attached [pid 2370] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2373] set_robust_list(0x5555810c5760, 24 [pid 2370] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2373] <... set_robust_list resumed>) = 0 [pid 2370] <... futex resumed>) = 1 [pid 2362] <... futex resumed>) = 0 [pid 2370] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2362] exit_group(0 [pid 2373] rt_sigprocmask(SIG_SETMASK, [] [pid 2370] <... futex resumed>) = ? [pid 2362] <... exit_group resumed>) = ? [pid 2374] <... set_robust_list resumed>) = 0 [pid 2370] +++ exited with 0 +++ [pid 2373] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2373] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2373] setpgid(0, 0) = 0 [pid 2373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2362] +++ exited with 0 +++ [pid 2373] write(3, "1000", 4) = 4 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2362, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2373] close(3 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2373] <... close resumed>) = 0 [pid 2373] write(1, "executing program\n", 18) = 18 [pid 2373] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2373] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2373] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2373] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2373] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2373] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2374] rt_sigprocmask(SIG_SETMASK, [] [pid 2373] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0}ci2-android-5-15/strace-static-x86_64: Process 2375 attached [pid 2374] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2373] <... clone3 resumed> => {parent_tid=[2375]}, 88) = 2375 [pid 2373] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2373] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2373] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... restart_syscall resumed>) = 0 [pid 2375] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2375] rt_sigprocmask(SIG_SETMASK, [] [pid 2374] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2375] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2375] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 2376 attached [pid 2375] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2374] <... prctl resumed>) = 0 [pid 2375] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2376 [pid 2375] <... futex resumed>) = 1 [pid 2373] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2375] mount(NULL, "./config", "configfs", 0, NULL [pid 2373] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2375] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2373] <... futex resumed>) = 0 [pid 2375] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2373] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2374] setpgid(0, 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 2375] <... futex resumed>) = 0 [pid 2373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2375] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2373] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2375] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2373] <... futex resumed>) = 0 [pid 2374] <... setpgid resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 2375] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2373] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2375] <... futex resumed>) = 0 [pid 2373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2375] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2373] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2375] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2373] <... futex resumed>) = 0 [pid 2375] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2373] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2375] <... futex resumed>) = 0 [pid 2373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2375] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2373] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2375] <... mkdirat resumed>) = 0 [pid 2373] <... futex resumed>) = 0 [pid 2375] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2373] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2375] <... futex resumed>) = 0 [pid 2373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2375] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2373] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2375] <... symlinkat resumed>) = 0 [pid 2374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2373] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2376] set_robust_list(0x5555810c5760, 24 [pid 2375] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2373] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2375] <... futex resumed>) = 0 [pid 2373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2375] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2373] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2375] <... unlinkat resumed>) = 0 [pid 2373] <... futex resumed>) = 0 [pid 2375] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2373] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2375] <... futex resumed>) = 0 [pid 2373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2375] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2373] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2375] <... unlinkat resumed>) = 0 [pid 2373] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2375] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2373] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2375] <... futex resumed>) = 0 [pid 2374] <... openat resumed>) = 3 [pid 2373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2375] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2374] write(3, "1000", 4 [pid 2373] exit_group(0 [pid 2375] <... futex resumed>) = ? [pid 2373] <... exit_group resumed>) = ? [pid 2375] +++ exited with 0 +++ [pid 2374] <... write resumed>) = 4 [pid 2373] +++ exited with 0 +++ [pid 2374] close(3 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2377 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2378 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2373, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 2377 attached [pid 2374] <... close resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 312] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 2378 attached [pid 2374] write(1, "executing program\n", 18 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2374] <... write resumed>) = 18 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2374] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2374] <... futex resumed>) = 0 executing program [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2374] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2378] set_robust_list(0x5555810c5760, 24 [pid 2377] set_robust_list(0x5555810c5760, 24 [pid 2378] <... set_robust_list resumed>) = 0 [pid 2377] <... set_robust_list resumed>) = 0 [pid 2378] rt_sigprocmask(SIG_SETMASK, [] [pid 2377] rt_sigprocmask(SIG_SETMASK, [] [pid 2374] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2374] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2379 [pid 2377] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2378] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2374] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2377] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2374] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 2374] <... mmap resumed>) = 0x7f85c0c15000 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2378] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2374] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2377] <... prctl resumed>) = 0 [pid 2374] <... mprotect resumed>) = 0 [pid 2378] <... prctl resumed>) = 0 [pid 2377] setpgid(0, 0 [pid 2374] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2378] setpgid(0, 0 [pid 2374] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2377] <... setpgid resumed>) = 0 [pid 2374] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2378] <... setpgid resumed>) = 0 [pid 2377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2374] <... clone3 resumed> => {parent_tid=[2380]}, 88) = 2380 [pid 2376] <... set_robust_list resumed>) = 0 [pid 2374] rt_sigprocmask(SIG_SETMASK, [] [pid 2377] <... openat resumed>) = 3 [pid 2374] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2377] write(3, "1000", 4 [pid 2374] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2377] <... write resumed>) = 4 [pid 2374] <... futex resumed>) = 0 [pid 2378] write(3, "1000", 4 [pid 2374] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2378] <... write resumed>) = 4 [pid 2377] close(3 [pid 2378] close(3 [pid 2377] <... close resumed>) = 0 [pid 2378] <... close resumed>) = 0 executing program [pid 2377] write(1, "executing program\n", 18 [pid 2378] write(1, "executing program\n", 18 [pid 2377] <... write resumed>) = 18 executing program [pid 2378] <... write resumed>) = 18 [pid 2377] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2378] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2377] <... futex resumed>) = 0 [pid 2378] <... futex resumed>) = 0 [pid 2377] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2378] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2377] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2378] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2377] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2378] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2377] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2378] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2377] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2378] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2377] <... mmap resumed>) = 0x7f85c0c15000 [pid 2378] <... mmap resumed>) = 0x7f85c0c15000 [pid 2377] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2378] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2377] <... mprotect resumed>) = 0 [pid 2376] rt_sigprocmask(SIG_SETMASK, [] [pid 2378] <... mprotect resumed>) = 0 [pid 2377] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2378] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2377] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 2380 attached [pid 2376] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2378] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2377] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2378] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2377] <... clone3 resumed> => {parent_tid=[2381]}, 88) = 2381 [pid 2378] <... clone3 resumed> => {parent_tid=[2382]}, 88) = 2382 [pid 2377] rt_sigprocmask(SIG_SETMASK, [] [pid 2376] prctl(PR_SET_PDEATHSIG, SIGKILLci2-android-5-15/strace-static-x86_64: Process 2379 attached [pid 2378] rt_sigprocmask(SIG_SETMASK, [] [pid 2377] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2376] <... prctl resumed>) = 0 [pid 2379] set_robust_list(0x5555810c5760, 24 [pid 2378] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2377] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2376] setpgid(0, 0 [pid 2379] <... set_robust_list resumed>) = 0 [pid 2378] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2377] <... futex resumed>) = 0 [pid 2379] rt_sigprocmask(SIG_SETMASK, [] [pid 2378] <... futex resumed>) = 0 [pid 2377] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2376] <... setpgid resumed>) = 0 [pid 2379] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2378] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2379] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2379] setpgid(0, 0) = 0 [pid 2379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2379] <... openat resumed>) = 3 [pid 2379] write(3, "1000", 4) = 4 [pid 2379] close(3) = 0 [pid 2376] <... openat resumed>) = 3 [pid 2379] write(1, "executing program\n", 18) = 18 [pid 2379] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 2379] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2379] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2379] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2379] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2379] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2380] set_robust_list(0x7f85c0c359a0, 24 [pid 2376] write(3, "1000", 4 [pid 2379] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2379] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2376] <... write resumed>) = 4 ci2-android-5-15/strace-static-x86_64: Process 2383 attached [pid 2380] <... set_robust_list resumed>) = 0 [pid 2379] <... clone3 resumed> => {parent_tid=[2383]}, 88) = 2383 [pid 2379] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2379] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2379] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2382 attached [pid 2382] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2382] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2382] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 2376] close(3 [pid 2382] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2378] <... futex resumed>) = 0 [pid 2382] mount(NULL, "./config", "configfs", 0, NULL [pid 2378] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2382] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2378] <... futex resumed>) = 0 [pid 2382] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2378] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2381 attached [pid 2382] <... futex resumed>) = 0 [pid 2378] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2382] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2381] set_robust_list(0x7f85c0c359a0, 24 [pid 2378] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2382] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2381] <... set_robust_list resumed>) = 0 [pid 2378] <... futex resumed>) = 0 [pid 2382] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2381] rt_sigprocmask(SIG_SETMASK, [] [pid 2378] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2382] <... futex resumed>) = 0 [pid 2381] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2378] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2382] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2381] mkdirat(AT_FDCWD, "./config", 0777 [pid 2380] rt_sigprocmask(SIG_SETMASK, [] [pid 2378] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2376] <... close resumed>) = 0 [pid 2382] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2381] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2378] <... futex resumed>) = 0 [pid 2376] write(1, "executing program\n", 18 [pid 2380] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2382] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2381] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2378] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2376] <... write resumed>) = 18 executing program [pid 2382] <... futex resumed>) = 0 [pid 2381] <... futex resumed>) = 1 [pid 2380] mkdirat(AT_FDCWD, "./config", 0777 [pid 2378] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2377] <... futex resumed>) = 0 [pid 2376] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2382] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2381] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2378] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2377] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2376] <... futex resumed>) = 0 [pid 2382] <... mkdirat resumed>) = 0 [pid 2381] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2380] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2378] <... futex resumed>) = 0 [pid 2377] <... futex resumed>) = 0 [pid 2376] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2382] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2381] mount(NULL, "./config", "configfs", 0, NULL [pid 2378] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2377] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2376] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2380] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2382] <... futex resumed>) = 0 [pid 2381] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2378] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2376] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2382] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2381] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2380] <... futex resumed>) = 1 [pid 2378] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2376] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2374] <... futex resumed>) = 0 [pid 2382] <... symlinkat resumed>) = 0 [pid 2381] <... futex resumed>) = 1 [pid 2380] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2378] <... futex resumed>) = 0 [pid 2377] <... futex resumed>) = 0 [pid 2376] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2374] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2382] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2381] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2378] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2377] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2376] <... mmap resumed>) = 0x7f85c0c15000 [pid 2374] <... futex resumed>) = 0 [pid 2382] <... futex resumed>) = 0 [pid 2381] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2380] mount(NULL, "./config", "configfs", 0, NULL [pid 2378] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2377] <... futex resumed>) = 0 [pid 2376] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2374] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2382] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2381] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2378] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2377] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2382] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2381] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2380] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2378] <... futex resumed>) = 0 [pid 2376] <... mprotect resumed>) = 0 [pid 2382] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2381] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2380] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2378] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2382] <... unlinkat resumed>) = 0 [pid 2381] <... futex resumed>) = 1 [pid 2380] <... futex resumed>) = 1 [pid 2377] <... futex resumed>) = 0 [pid 2376] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2374] <... futex resumed>) = 0 [pid 2382] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2381] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2377] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2382] <... futex resumed>) = 1 [pid 2381] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2378] <... futex resumed>) = 0 [pid 2377] <... futex resumed>) = 0 [pid 2382] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2381] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2380] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2378] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2377] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2376] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2374] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2383] set_robust_list(0x7f85c0c359a0, 24 [pid 2382] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2381] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2380] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2378] <... futex resumed>) = 0 [pid 2376] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2374] <... futex resumed>) = 0 [pid 2383] <... set_robust_list resumed>) = 0 [pid 2382] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2381] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2380] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2378] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2383] rt_sigprocmask(SIG_SETMASK, [] [pid 2382] <... unlinkat resumed>) = 0 [pid 2381] <... futex resumed>) = 1 [pid 2380] <... futex resumed>) = 0 [pid 2377] <... futex resumed>) = 0 [pid 2374] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2383] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2382] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2381] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2380] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2377] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2376] <... clone3 resumed> => {parent_tid=[2384]}, 88) = 2384 [pid 2374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2383] mkdirat(AT_FDCWD, "./config", 0777 [pid 2382] <... futex resumed>) = 1 [pid 2381] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2378] <... futex resumed>) = 0 [pid 2377] <... futex resumed>) = 0 [pid 2376] rt_sigprocmask(SIG_SETMASK, [] [pid 2374] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2383] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2382] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2381] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2380] <... futex resumed>) = 0 [pid 2378] exit_group(0 [pid 2377] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2376] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2374] <... futex resumed>) = 1 ci2-android-5-15/strace-static-x86_64: Process 2384 attached [pid 2383] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2382] <... futex resumed>) = ? [pid 2381] <... mkdirat resumed>) = 0 [pid 2378] <... exit_group resumed>) = ? [pid 2384] set_robust_list(0x7f85c0c359a0, 24 [pid 2383] <... futex resumed>) = 1 [pid 2382] +++ exited with 0 +++ [pid 2381] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2380] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2379] <... futex resumed>) = 0 [pid 2378] +++ exited with 0 +++ [pid 2376] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2374] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2383] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2381] <... futex resumed>) = 1 [pid 2380] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2379] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2377] <... futex resumed>) = 0 [pid 2376] <... futex resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2378, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2381] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2380] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2379] <... futex resumed>) = 0 [pid 2377] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2376] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2383] mount(NULL, "./config", "configfs", 0, NULL [pid 2381] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2380] <... futex resumed>) = 1 [pid 2379] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2377] <... futex resumed>) = 0 [pid 2374] <... futex resumed>) = 0 [pid 2383] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2381] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2380] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2377] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2383] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2381] <... symlinkat resumed>) = 0 [pid 2380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2374] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2383] <... futex resumed>) = 1 [pid 2381] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2379] <... futex resumed>) = 0 [pid 2383] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2381] <... futex resumed>) = 1 [pid 2380] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2379] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2377] <... futex resumed>) = 0 [pid 2374] <... futex resumed>) = 0 [pid 2383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2381] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2379] <... futex resumed>) = 0 [pid 2377] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2383] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2381] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2380] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2379] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2377] <... futex resumed>) = 0 [pid 2374] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2383] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2381] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2380] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2377] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2384] <... set_robust_list resumed>) = 0 [pid 2383] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2381] <... unlinkat resumed>) = 0 [pid 2383] <... futex resumed>) = 1 [pid 2381] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2380] <... futex resumed>) = 0 [pid 2379] <... futex resumed>) = 0 [pid 2374] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2383] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2381] <... futex resumed>) = 1 [pid 2379] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2377] <... futex resumed>) = 0 [pid 2384] rt_sigprocmask(SIG_SETMASK, [] [pid 2383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2381] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2380] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2379] <... futex resumed>) = 0 [pid 2377] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2374] <... futex resumed>) = 0 [pid 2383] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2381] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2379] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2377] <... futex resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 2384] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2383] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2381] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2380] <... symlinkat resumed>) = 0 [pid 2377] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2374] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2383] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2381] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 2380] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2384] mkdirat(AT_FDCWD, "./config", 0777 [pid 2383] <... futex resumed>) = 1 [pid 2381] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2380] <... futex resumed>) = 0 [pid 2379] <... futex resumed>) = 0 [pid 2374] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2384] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2383] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2381] <... futex resumed>) = 1 [pid 2380] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2379] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2377] <... futex resumed>) = 0 [pid 2384] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2381] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2380] <... unlinkat resumed>) = 0 [pid 2379] <... futex resumed>) = 0 [pid 2377] exit_group(0 [pid 2374] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2384] <... futex resumed>) = 1 [pid 2383] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2381] <... futex resumed>) = ? [pid 2380] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2379] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2377] <... exit_group resumed>) = ? [pid 2376] <... futex resumed>) = 0 [pid 2384] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2383] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2381] +++ exited with 0 +++ [pid 2380] <... futex resumed>) = 0 [pid 2377] +++ exited with 0 +++ [pid 2376] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2374] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2383] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2380] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2376] <... futex resumed>) = 0 [pid 2374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2384] mount(NULL, "./config", "configfs", 0, NULL [pid 2383] <... futex resumed>) = 1 [pid 2379] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2377, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2376] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2374] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2383] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2379] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2383] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 2383] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2383] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2380] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2379] <... futex resumed>) = 0 [pid 2374] <... futex resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2385 [pid 2384] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2380] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 2379] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2374] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2384] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2380] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2379] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 2384] <... futex resumed>) = 1 [pid 2380] <... futex resumed>) = 0 [pid 2379] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2376] <... futex resumed>) = 0 [pid 2374] exit_group(0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2384] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2383] <... futex resumed>) = 0 [pid 2379] <... futex resumed>) = 1 [pid 2376] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2380] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2374] <... exit_group resumed>) = ? [pid 2380] <... futex resumed>) = ? [pid 2384] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2383] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2379] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2376] <... futex resumed>) = 0 [pid 2383] <... unlinkat resumed>) = 0 [pid 2380] +++ exited with 0 +++ [pid 2383] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2383] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 2385 attached [pid 2385] set_robust_list(0x5555810c5760, 24) = 0 [pid 2374] +++ exited with 0 +++ [pid 2385] rt_sigprocmask(SIG_SETMASK, [] [pid 2384] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2379] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2376] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2384] <... futex resumed>) = 0 [pid 2379] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2384] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2374, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2383] <... futex resumed>) = 0 [pid 2379] <... futex resumed>) = 1 [pid 2384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2383] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2379] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2376] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2385] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2384] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2383] <... unlinkat resumed>) = 0 [pid 2376] <... futex resumed>) = 0 [pid 2385] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2383] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2376] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2385] <... prctl resumed>) = 0 [pid 2384] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2383] <... futex resumed>) = 1 [pid 2379] <... futex resumed>) = 0 [pid 2385] setpgid(0, 0 [pid 2384] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2383] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2379] exit_group(0 [pid 2385] <... setpgid resumed>) = 0 [pid 2384] <... futex resumed>) = 1 [pid 2383] <... futex resumed>) = ? [pid 2379] <... exit_group resumed>) = ? [pid 2376] <... futex resumed>) = 0 [pid 2385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2384] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2383] +++ exited with 0 +++ [pid 2379] +++ exited with 0 +++ [pid 2376] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2376] <... futex resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2379, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2376] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2384] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2385] <... openat resumed>) = 3 [pid 2385] write(3, "1000", 4) = 4 [pid 2384] <... mkdirat resumed>) = 0 [pid 2385] close(3 [pid 2384] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2385] <... close resumed>) = 0 [pid 2384] <... futex resumed>) = 1 [pid 2376] <... futex resumed>) = 0 [pid 2385] write(1, "executing program\n", 18 [pid 2376] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2384] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2376] <... futex resumed>) = 0 [pid 2385] <... write resumed>) = 18 [pid 2376] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2385] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2384] <... symlinkat resumed>) = 0 executing program [pid 2385] <... futex resumed>) = 0 [pid 2384] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2385] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2384] <... futex resumed>) = 1 [pid 2376] <... futex resumed>) = 0 [pid 2385] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2385] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2385] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2376] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2384] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2376] <... futex resumed>) = 0 [pid 2385] <... mmap resumed>) = 0x7f85c0c15000 [pid 2376] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2384] <... unlinkat resumed>) = 0 [pid 2385] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2384] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2385] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2384] <... futex resumed>) = 1 [pid 2376] <... futex resumed>) = 0 [pid 2385] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2384] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2376] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2385] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2376] <... futex resumed>) = 0 [pid 2384] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2376] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... restart_syscall resumed>) = 0 [pid 2385] <... clone3 resumed> => {parent_tid=[2386]}, 88) = 2386 [pid 2385] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2384] <... unlinkat resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2386 attached [pid 2385] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2384] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2386] set_robust_list(0x7f85c0c359a0, 24 [pid 2385] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2386] <... set_robust_list resumed>) = 0 [pid 2385] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2384] <... futex resumed>) = 1 [pid 2376] <... futex resumed>) = 0 [pid 2386] rt_sigprocmask(SIG_SETMASK, [] [pid 2384] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2386] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2376] exit_group(0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2384] <... futex resumed>) = ? [pid 2376] <... exit_group resumed>) = ? [pid 2386] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2387 [pid 2386] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2386] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2385] <... futex resumed>) = 0 [pid 2385] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2386] mount(NULL, "./config", "configfs", 0, NULL [pid 2385] <... futex resumed>) = 0 [pid 2385] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2386] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2384] +++ exited with 0 +++ [pid 2376] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2376, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- ci2-android-5-15/strace-static-x86_64: Process 2387 attached [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2387] set_robust_list(0x5555810c5760, 24) = 0 [pid 2386] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2385] <... futex resumed>) = 0 [pid 2386] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2385] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2387] rt_sigprocmask(SIG_SETMASK, [] [pid 2386] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2385] <... futex resumed>) = 0 [pid 2387] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2386] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2385] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2387] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2386] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2387] <... prctl resumed>) = 0 [pid 2386] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2387] setpgid(0, 0 [pid 2386] <... futex resumed>) = 1 [pid 2385] <... futex resumed>) = 0 [pid 2387] <... setpgid resumed>) = 0 [pid 2386] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2385] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2386] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2385] <... futex resumed>) = 0 [pid 2387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2386] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2385] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2387] <... openat resumed>) = 3 [pid 2386] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2387] write(3, "1000", 4 [pid 2386] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2385] <... futex resumed>) = 0 [pid 2385] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2385] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... restart_syscall resumed>) = 0 [pid 2387] <... write resumed>) = 4 [pid 304] <... restart_syscall resumed>) = 0 [pid 2386] <... futex resumed>) = 1 [pid 2387] close(3 [pid 2386] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2387] <... close resumed>) = 0 [pid 2386] <... mkdirat resumed>) = 0 executing program [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2387] write(1, "executing program\n", 18 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2386] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2387] <... write resumed>) = 18 [pid 2385] <... futex resumed>) = 0 [pid 2385] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2385] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2386] <... futex resumed>) = 1 [pid 2386] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2387] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2388 [pid 2386] <... symlinkat resumed>) = 0 [pid 2386] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2385] <... futex resumed>) = 0 [pid 2385] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2387] <... futex resumed>) = 0 [pid 2385] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2389 [pid 2387] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2386] <... futex resumed>) = 1 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 2387] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2387] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2386] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 2386] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2385] <... futex resumed>) = 0 [pid 2385] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2386] <... futex resumed>) = 1 [pid 2385] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2386] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 2386] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2387] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 2386] <... futex resumed>) = 1 [pid 2385] <... futex resumed>) = 0 [pid 2387] <... mmap resumed>) = 0x7f85c0c15000 [pid 2386] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2385] exit_group(0 [pid 2386] <... futex resumed>) = ? [pid 2385] <... exit_group resumed>) = ? [pid 2387] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2386] +++ exited with 0 +++ [pid 2385] +++ exited with 0 +++ [pid 306] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 2389 attached [pid 2387] <... mprotect resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2385, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 2388 attached [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2388] set_robust_list(0x5555810c5760, 24) = 0 [pid 2388] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2388] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2388] setpgid(0, 0 [pid 2387] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2390 [pid 2387] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2388] <... setpgid resumed>) = 0 [pid 2387] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2388] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2388] <... openat resumed>) = 3 [pid 2387] <... clone3 resumed> => {parent_tid=[2391]}, 88) = 2391 [pid 2388] write(3, "1000", 4 [pid 2387] rt_sigprocmask(SIG_SETMASK, [] [pid 2388] <... write resumed>) = 4 [pid 2387] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2388] close(3 [pid 2387] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2388] <... close resumed>) = 0 [pid 2387] <... futex resumed>) = 0 [pid 2388] write(1, "executing program\n", 18 [pid 2387] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2389] set_robust_list(0x5555810c5760, 24 [pid 2388] <... write resumed>) = 18 [pid 2389] <... set_robust_list resumed>) = 0 executing program [pid 2388] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2388] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2388] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2388] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2388] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2388] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2388] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[2392]}, 88) = 2392 [pid 2388] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2388] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2389] rt_sigprocmask(SIG_SETMASK, [] [pid 2388] <... futex resumed>) = 0 [pid 2388] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2390 attached [pid 2390] set_robust_list(0x5555810c5760, 24) = 0 [pid 2390] rt_sigprocmask(SIG_SETMASK, [] [pid 2389] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 2391 attached [pid 2391] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2389] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2390] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2391] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2389] <... prctl resumed>) = 0 [pid 2390] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2391] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 2391] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2390] <... prctl resumed>) = 0 [pid 2389] setpgid(0, 0 [pid 2391] <... futex resumed>) = 1 [pid 2390] setpgid(0, 0 [pid 2389] <... setpgid resumed>) = 0 [pid 2387] <... futex resumed>) = 0 [pid 2391] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2387] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2391] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2387] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2390] <... setpgid resumed>) = 0 [pid 2391] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 2391] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2391] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2387] <... futex resumed>) = 0 [pid 2391] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2387] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2389] <... openat resumed>) = 3 [pid 2387] <... futex resumed>) = 0 [pid 2391] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2387] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2389] write(3, "1000", 4 [pid 2390] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2391] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2391] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2391] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 2392 attached [pid 2387] <... futex resumed>) = 0 [pid 2389] <... write resumed>) = 4 [pid 2387] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2392] set_robust_list(0x7f85c0c359a0, 24 [pid 2389] close(3 [pid 2387] <... futex resumed>) = 1 [pid 2390] <... openat resumed>) = 3 [pid 2387] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2390] write(3, "1000", 4 [pid 2389] <... close resumed>) = 0 [pid 2391] <... futex resumed>) = 0 [pid 2391] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 2391] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2387] <... futex resumed>) = 0 [pid 2390] <... write resumed>) = 4 [pid 2389] write(1, "executing program\n", 18 [pid 2387] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 2390] close(3 [pid 2389] <... write resumed>) = 18 [pid 2387] <... futex resumed>) = 0 [pid 2391] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2387] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2390] <... close resumed>) = 0 [pid 2389] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2391] <... mkdirat resumed>) = 0 [pid 2390] write(1, "executing program\n", 18 [pid 2389] <... futex resumed>) = 0 [pid 2392] <... set_robust_list resumed>) = 0 [pid 2392] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 executing program [pid 2389] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2390] <... write resumed>) = 18 [pid 2389] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2392] mkdirat(AT_FDCWD, "./config", 0777 [pid 2390] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2389] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2392] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2390] <... futex resumed>) = 0 [pid 2389] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2391] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2390] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2389] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2390] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2389] <... mmap resumed>) = 0x7f85c0c15000 [pid 2390] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2389] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2390] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2390] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2389] <... mprotect resumed>) = 0 [pid 2392] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2391] <... futex resumed>) = 1 [pid 2392] <... futex resumed>) = 1 [pid 2391] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2388] <... futex resumed>) = 0 [pid 2387] <... futex resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 2392] mount(NULL, "./config", "configfs", 0, NULL [pid 2390] <... mmap resumed>) = 0x7f85c0c15000 [pid 2389] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2388] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2387] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2392] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2390] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2389] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2388] <... futex resumed>) = 0 [pid 2387] <... futex resumed>) = 1 [pid 2392] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2391] <... futex resumed>) = 0 [pid 2388] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2387] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2389] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2392] <... futex resumed>) = 0 [pid 2391] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2390] <... mprotect resumed>) = 0 [pid 2388] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 2393 attached [pid 2392] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2388] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2393] set_robust_list(0x7f85c0c359a0, 24 [pid 2392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2391] <... symlinkat resumed>) = 0 [pid 2390] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2389] <... clone3 resumed> => {parent_tid=[2393]}, 88) = 2393 [pid 2388] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2393] <... set_robust_list resumed>) = 0 [pid 2392] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2391] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2390] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2389] rt_sigprocmask(SIG_SETMASK, [] [pid 2388] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2392] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2390] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2389] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2393] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2393] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2389] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2393] <... futex resumed>) = 0 [pid 2392] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2391] <... futex resumed>) = 1 [pid 2389] <... futex resumed>) = 1 [pid 2387] <... futex resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2394 [pid 2393] mkdirat(AT_FDCWD, "./config", 0777 [pid 2392] <... futex resumed>) = 1 [pid 2391] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2390] <... clone3 resumed> => {parent_tid=[2395]}, 88) = 2395 [pid 2389] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2388] <... futex resumed>) = 0 [pid 2387] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2393] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2392] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2391] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2390] rt_sigprocmask(SIG_SETMASK, [] [pid 2388] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 2393] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2391] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2390] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2388] <... futex resumed>) = 0 [pid 2387] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2393] <... futex resumed>) = 1 [pid 2392] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2390] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2389] <... futex resumed>) = 0 [pid 2388] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2387] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2393] mount(NULL, "./config", "configfs", 0, NULL [pid 2392] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2391] <... unlinkat resumed>) = 0 [pid 2390] <... futex resumed>) = 0 [pid 2389] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2393] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2390] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2389] <... futex resumed>) = 0 [pid 2393] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2392] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2391] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2389] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2393] <... futex resumed>) = 0 [pid 2389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2393] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2392] <... futex resumed>) = 1 [pid 2391] <... futex resumed>) = 1 [pid 2389] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2388] <... futex resumed>) = 0 [pid 2387] <... futex resumed>) = 0 [pid 2393] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2392] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2391] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2389] <... futex resumed>) = 0 [pid 2388] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2387] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2393] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2391] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2389] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2388] <... futex resumed>) = 0 [pid 2387] <... futex resumed>) = 0 [pid 2393] <... futex resumed>) = 0 [pid 2392] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2391] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2388] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2395 attached ci2-android-5-15/strace-static-x86_64: Process 2394 attached [pid 2393] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2392] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2389] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2387] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2395] set_robust_list(0x7f85c0c359a0, 24 [pid 2394] set_robust_list(0x5555810c5760, 24 [pid 2393] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2392] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2391] <... unlinkat resumed>) = 0 [pid 2389] <... futex resumed>) = 0 [pid 2395] <... set_robust_list resumed>) = 0 [pid 2394] <... set_robust_list resumed>) = 0 [pid 2393] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2392] <... futex resumed>) = 1 [pid 2391] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2389] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2388] <... futex resumed>) = 0 [pid 2395] rt_sigprocmask(SIG_SETMASK, [] [pid 2394] rt_sigprocmask(SIG_SETMASK, [] [pid 2393] <... futex resumed>) = 0 [pid 2392] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2391] <... futex resumed>) = 1 [pid 2389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2388] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2387] <... futex resumed>) = 0 [pid 2395] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2394] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2393] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2391] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2389] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2388] <... futex resumed>) = 0 [pid 2387] exit_group(0 [pid 2395] mkdirat(AT_FDCWD, "./config", 0777 [pid 2394] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2389] <... futex resumed>) = 0 [pid 2388] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2395] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2394] <... prctl resumed>) = 0 [pid 2393] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2389] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2392] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2387] <... exit_group resumed>) = ? [pid 2391] <... futex resumed>) = ? [pid 2395] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2394] setpgid(0, 0 [pid 2393] <... mkdirat resumed>) = 0 [pid 2395] <... futex resumed>) = 1 [pid 2394] <... setpgid resumed>) = 0 [pid 2393] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2390] <... futex resumed>) = 0 [pid 2395] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2393] <... futex resumed>) = 1 [pid 2392] <... symlinkat resumed>) = 0 [pid 2390] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2389] <... futex resumed>) = 0 [pid 2395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2394] <... openat resumed>) = 3 [pid 2393] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2392] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2390] <... futex resumed>) = 0 [pid 2389] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2395] mount(NULL, "./config", "configfs", 0, NULL [pid 2394] write(3, "1000", 4 [pid 2393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2392] <... futex resumed>) = 1 [pid 2391] +++ exited with 0 +++ [pid 2390] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2389] <... futex resumed>) = 0 [pid 2388] <... futex resumed>) = 0 [pid 2387] +++ exited with 0 +++ [pid 2395] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2394] <... write resumed>) = 4 [pid 2393] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2392] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2389] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2388] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2395] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2394] close(3 [pid 2393] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 2392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2388] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2387, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2395] <... futex resumed>) = 1 [pid 2394] <... close resumed>) = 0 [pid 2393] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2392] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2390] <... futex resumed>) = 0 [pid 2388] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2395] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2394] write(1, "executing program\n", 18 [pid 2393] <... futex resumed>) = 1 [pid 2389] <... futex resumed>) = 0 executing program [pid 2394] <... write resumed>) = 18 [pid 2393] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2392] <... unlinkat resumed>) = 0 [pid 2390] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2389] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2395] <... futex resumed>) = 0 [pid 2394] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2392] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2390] <... futex resumed>) = 1 [pid 2389] <... futex resumed>) = 0 [pid 2395] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2394] <... futex resumed>) = 0 [pid 2393] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2392] <... futex resumed>) = 1 [pid 2390] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2389] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2388] <... futex resumed>) = 0 [pid 2395] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2394] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2393] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2392] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2388] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2395] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2394] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2393] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2388] <... futex resumed>) = 0 [pid 2395] <... futex resumed>) = 1 [pid 2394] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2393] <... futex resumed>) = 1 [pid 2392] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2390] <... futex resumed>) = 0 [pid 2389] <... futex resumed>) = 0 [pid 2388] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2395] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2394] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2393] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2389] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2394] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2392] <... unlinkat resumed>) = 0 [pid 2390] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2389] <... futex resumed>) = 0 [pid 2395] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2394] <... mmap resumed>) = 0x7f85c0c15000 [pid 2393] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2392] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2390] <... futex resumed>) = 0 [pid 2389] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2395] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2394] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2393] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2392] <... futex resumed>) = 1 [pid 2390] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2388] <... futex resumed>) = 0 [pid 2395] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2394] <... mprotect resumed>) = 0 [pid 2393] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2392] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2388] exit_group(0 [pid 2395] <... futex resumed>) = 0 [pid 2394] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2393] <... futex resumed>) = 1 [pid 2392] <... futex resumed>) = ? [pid 2390] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2389] <... futex resumed>) = 0 [pid 2388] <... exit_group resumed>) = ? [pid 2395] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2394] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2393] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2389] exit_group(0 [pid 2395] <... mkdirat resumed>) = 0 [pid 2394] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2393] <... futex resumed>) = ? [pid 2389] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 2396 attached [pid 2395] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2393] +++ exited with 0 +++ [pid 2392] +++ exited with 0 +++ [pid 2390] <... futex resumed>) = 0 [pid 2389] +++ exited with 0 +++ [pid 2388] +++ exited with 0 +++ [pid 2395] <... futex resumed>) = 0 [pid 2394] <... clone3 resumed> => {parent_tid=[2396]}, 88) = 2396 [pid 2390] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2395] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2394] rt_sigprocmask(SIG_SETMASK, [] [pid 2390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2388, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2389, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2394] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2390] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2395] <... futex resumed>) = 0 [pid 2394] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2390] <... futex resumed>) = 1 [pid 2395] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2394] <... futex resumed>) = 0 [pid 2390] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2395] <... symlinkat resumed>) = 0 [pid 2394] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2395] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2390] <... futex resumed>) = 0 [pid 2395] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2390] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2390] <... futex resumed>) = 0 [pid 2395] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2390] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2395] <... unlinkat resumed>) = 0 [pid 2395] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2390] <... futex resumed>) = 0 [pid 2395] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2396] set_robust_list(0x7f85c0c359a0, 24 [pid 2390] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2396] <... set_robust_list resumed>) = 0 [pid 2395] <... futex resumed>) = 0 [pid 2390] <... futex resumed>) = 1 [pid 2396] rt_sigprocmask(SIG_SETMASK, [] [pid 2395] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2396] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2395] <... unlinkat resumed>) = 0 [pid 2390] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2396] mkdirat(AT_FDCWD, "./config", 0777 [pid 2395] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2396] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2395] <... futex resumed>) = 0 [pid 2390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2396] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2395] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2396] <... futex resumed>) = 1 [pid 2394] <... futex resumed>) = 0 [pid 2390] exit_group(0 [pid 2396] mount(NULL, "./config", "configfs", 0, NULL [pid 2394] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2396] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2395] <... futex resumed>) = ? [pid 2394] <... futex resumed>) = 0 [pid 2390] <... exit_group resumed>) = ? [pid 2396] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2395] +++ exited with 0 +++ [pid 2394] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2396] <... futex resumed>) = 0 [pid 2394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2396] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2394] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2396] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2394] <... futex resumed>) = 0 [pid 2396] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2394] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2396] <... futex resumed>) = 0 [pid 2394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2396] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2394] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2390] +++ exited with 0 +++ [pid 2396] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2394] <... futex resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 2396] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2394] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2390, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2396] <... futex resumed>) = 0 [pid 2394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2396] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2394] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2396] <... mkdirat resumed>) = 0 [pid 2394] <... futex resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2396] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2394] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2396] <... futex resumed>) = 0 [pid 2394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2396] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2394] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2396] <... symlinkat resumed>) = 0 [pid 2394] <... futex resumed>) = 0 [pid 2396] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2394] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2396] <... futex resumed>) = 0 [pid 2394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2396] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2394] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2396] <... unlinkat resumed>) = 0 [pid 2394] <... futex resumed>) = 0 [pid 2396] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2394] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2396] <... futex resumed>) = 0 [pid 2394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2396] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2394] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2396] <... unlinkat resumed>) = 0 [pid 2394] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2397 ci2-android-5-15/strace-static-x86_64: Process 2397 attached [pid 2396] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2394] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2396] <... futex resumed>) = 0 [pid 2394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2396] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2394] exit_group(0 [pid 2396] <... futex resumed>) = ? [pid 2394] <... exit_group resumed>) = ? [pid 2397] set_robust_list(0x5555810c5760, 24 [pid 2396] +++ exited with 0 +++ [pid 2394] +++ exited with 0 +++ [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 2397] <... set_robust_list resumed>) = 0 [pid 2397] rt_sigprocmask(SIG_SETMASK, [] [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2394, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2397] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2397] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2397] setpgid(0, 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 2397] <... setpgid resumed>) = 0 [pid 2397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2397] write(3, "1000", 4 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2397] <... write resumed>) = 4 [pid 2397] close(3 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2397] <... close resumed>) = 0 [pid 2397] write(1, "executing program\n", 18) = 18 [pid 2397] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2397] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2398 [pid 2397] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2397] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 executing program [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 2397] <... mmap resumed>) = 0x7f85c0c15000 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2397] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2397] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2397] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 304] <... restart_syscall resumed>) = 0 [pid 2397] <... clone3 resumed> => {parent_tid=[2399]}, 88) = 2399 [pid 2397] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2397] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2397] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2397] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2398 attached [pid 2398] set_robust_list(0x5555810c5760, 24) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2400 [pid 2398] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2398] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2398] setpgid(0, 0) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2401 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2398] <... openat resumed>) = 3 [pid 2398] write(3, "1000", 4) = 4 [pid 2398] close(3) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2402 [pid 2398] write(1, "executing program\n", 18 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2398] <... write resumed>) = 18 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2398] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2398] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 executing program [pid 2398] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2398] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2398] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2398] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2398] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[2403]}, 88) = 2403 [pid 2398] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2398] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2398] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2400 attached [pid 2400] set_robust_list(0x5555810c5760, 24) = 0 [pid 2400] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 2402 attached , NULL, 8) = 0 [pid 2400] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2400] setpgid(0, 0) = 0 [pid 2400] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-5-15/strace-static-x86_64: Process 2401 attached ci2-android-5-15/strace-static-x86_64: Process 2399 attached [pid 2402] set_robust_list(0x5555810c5760, 24 [pid 2400] <... openat resumed>) = 3 [pid 2400] write(3, "1000", 4) = 4 [pid 2400] close(3) = 0 [pid 2400] write(1, "executing program\n", 18) = 18 executing program [pid 2400] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2400] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2400] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2400] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2400] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2400] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2400] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[2404]}, 88) = 2404 [pid 2402] <... set_robust_list resumed>) = 0 [pid 2401] set_robust_list(0x5555810c5760, 24 [pid 2400] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2400] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2400] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2403 attached [pid 2403] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2403] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2403] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 2403] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2398] <... futex resumed>) = 0 [pid 2398] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2398] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2403] <... futex resumed>) = 1 [pid 2403] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 2403] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2398] <... futex resumed>) = 0 [pid 2402] rt_sigprocmask(SIG_SETMASK, [] [pid 2398] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2398] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2403] <... futex resumed>) = 1 [pid 2403] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 2403] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2398] <... futex resumed>) = 0 [pid 2398] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2398] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2403] <... futex resumed>) = 1 [pid 2403] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 2403] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2398] <... futex resumed>) = 0 [pid 2398] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2398] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2403] <... futex resumed>) = 1 [pid 2403] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2402] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2401] <... set_robust_list resumed>) = 0 [pid 2403] <... mkdirat resumed>) = 0 [pid 2402] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2401] rt_sigprocmask(SIG_SETMASK, [] [pid 2403] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2402] <... prctl resumed>) = 0 [pid 2401] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2402] setpgid(0, 0 [pid 2398] <... futex resumed>) = 0 [pid 2398] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2398] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2403] <... futex resumed>) = 1 [pid 2403] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2402] <... setpgid resumed>) = 0 [pid 2401] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2399] set_robust_list(0x7f85c0c359a0, 24 [pid 2403] <... symlinkat resumed>) = 0 [pid 2402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2401] <... prctl resumed>) = 0 [pid 2399] <... set_robust_list resumed>) = 0 [pid 2403] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2398] <... futex resumed>) = 0 [pid 2398] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2398] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2403] <... futex resumed>) = 1 [pid 2403] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 2403] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2398] <... futex resumed>) = 0 [pid 2398] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2398] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2403] <... futex resumed>) = 1 [pid 2403] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2401] setpgid(0, 0 [pid 2402] <... openat resumed>) = 3 [pid 2399] rt_sigprocmask(SIG_SETMASK, [] [pid 2401] <... setpgid resumed>) = 0 [pid 2402] write(3, "1000", 4 [pid 2399] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2403] <... unlinkat resumed>) = 0 [pid 2402] <... write resumed>) = 4 [pid 2401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2399] mkdirat(AT_FDCWD, "./config", 0777 [pid 2403] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2402] close(3 [pid 2398] <... futex resumed>) = 0 [pid 2402] <... close resumed>) = 0 [pid 2401] <... openat resumed>) = 3 [pid 2399] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2398] exit_group(0) = ? [pid 2403] <... futex resumed>) = ? [pid 2403] +++ exited with 0 +++ [pid 2402] write(1, "executing program\n", 18 [pid 2401] write(3, "1000", 4 [pid 2399] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2398] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 2404 attached [pid 2402] <... write resumed>) = 18 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2398, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2401] <... write resumed>) = 4 [pid 2402] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2399] <... futex resumed>) = 1 [pid 2397] <... futex resumed>) = 0 executing program [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2397] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2402] <... futex resumed>) = 0 [pid 2397] <... futex resumed>) = 0 [pid 2402] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2401] close(3 [pid 2399] mount(NULL, "./config", "configfs", 0, NULL [pid 2397] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2402] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2401] <... close resumed>) = 0 [pid 2402] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2404] set_robust_list(0x7f85c0c359a0, 24 [pid 2402] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2401] write(1, "executing program\n", 18 [pid 2399] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2402] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2401] <... write resumed>) = 18 [pid 2402] <... mmap resumed>) = 0x7f85c0c15000 [pid 2404] <... set_robust_list resumed>) = 0 [pid 2402] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2401] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2399] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2402] <... mprotect resumed>) = 0 [pid 2401] <... futex resumed>) = 0 [pid 2404] rt_sigprocmask(SIG_SETMASK, [] [pid 2402] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2401] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2399] <... futex resumed>) = 1 [pid 2397] <... futex resumed>) = 0 [pid 2404] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2402] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2401] <... rt_sigaction resumed>, NULL, 8) = 0 executing program [pid 2397] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2404] mkdirat(AT_FDCWD, "./config", 0777 [pid 2402] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2401] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2399] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2397] <... futex resumed>) = 0 [pid 2404] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2397] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2404] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2401] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2399] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2402] <... clone3 resumed> => {parent_tid=[2405]}, 88) = 2405 [pid 2401] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2399] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2402] rt_sigprocmask(SIG_SETMASK, [] [pid 2401] <... mmap resumed>) = 0x7f85c0c15000 [pid 2404] <... futex resumed>) = 1 [pid 2402] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2401] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2400] <... futex resumed>) = 0 [pid 2399] <... futex resumed>) = 1 [pid 2397] <... futex resumed>) = 0 [pid 2404] mount(NULL, "./config", "configfs", 0, NULL [pid 2402] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2401] <... mprotect resumed>) = 0 [pid 2400] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2399] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2397] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2404] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2402] <... futex resumed>) = 0 [pid 2401] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2400] <... futex resumed>) = 0 [pid 2399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2397] <... futex resumed>) = 0 [pid 2404] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2400] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2397] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2404] <... futex resumed>) = 0 [pid 2402] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2401] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2399] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2404] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2401] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2400] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2404] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2400] <... futex resumed>) = 0 [pid 2399] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2404] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2400] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2404] <... futex resumed>) = 0 [pid 2400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2399] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2404] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2401] <... clone3 resumed> => {parent_tid=[2406]}, 88) = 2406 [pid 2400] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2404] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2401] rt_sigprocmask(SIG_SETMASK, [] [pid 2400] <... futex resumed>) = 0 [pid 2399] <... futex resumed>) = 1 [pid 2397] <... futex resumed>) = 0 [pid 2404] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2401] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2400] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2399] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2397] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2404] <... futex resumed>) = 0 [pid 2401] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2397] <... futex resumed>) = 0 [pid 2404] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2401] <... futex resumed>) = 0 [pid 2400] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2399] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2397] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2405 attached [pid 2404] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2401] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2400] <... futex resumed>) = 0 [pid 2405] set_robust_list(0x7f85c0c359a0, 24 [pid 2404] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2400] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2399] <... mkdirat resumed>) = 0 [pid 2405] <... set_robust_list resumed>) = 0 [pid 2404] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2399] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2405] rt_sigprocmask(SIG_SETMASK, [] [pid 2404] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... restart_syscall resumed>) = 0 [pid 2405] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2404] <... futex resumed>) = 1 [pid 2400] <... futex resumed>) = 0 [pid 2399] <... futex resumed>) = 1 [pid 2397] <... futex resumed>) = 0 [pid 2405] mkdirat(AT_FDCWD, "./config", 0777 [pid 2404] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2400] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2399] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2397] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2405] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2404] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2400] <... futex resumed>) = 0 [pid 2399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2397] <... futex resumed>) = 0 [pid 2405] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2404] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2400] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2399] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2397] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2405] <... futex resumed>) = 1 [pid 2404] <... symlinkat resumed>) = 0 [pid 2402] <... futex resumed>) = 0 [pid 2405] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2404] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2402] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2399] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2405] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2404] <... futex resumed>) = 1 [pid 2402] <... futex resumed>) = 0 [pid 2400] <... futex resumed>) = 0 [pid 2399] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2405] mount(NULL, "./config", "configfs", 0, NULL [pid 2404] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2402] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2400] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2399] <... futex resumed>) = 1 [pid 2397] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 2406 attached [pid 2405] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2404] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2400] <... futex resumed>) = 0 [pid 2397] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2406] set_robust_list(0x7f85c0c359a0, 24 [pid 2405] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2404] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2400] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2397] <... futex resumed>) = 0 [pid 2406] <... set_robust_list resumed>) = 0 [pid 2405] <... futex resumed>) = 0 [pid 2404] <... unlinkat resumed>) = 0 [pid 2402] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2399] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2397] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2406] rt_sigprocmask(SIG_SETMASK, [] [pid 2405] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2404] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2402] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2399] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) ci2-android-5-15/strace-static-x86_64: Process 2407 attached [pid 2406] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2405] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2404] <... futex resumed>) = 1 [pid 2402] <... futex resumed>) = 0 [pid 2400] <... futex resumed>) = 0 [pid 2399] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2406] mkdirat(AT_FDCWD, "./config", 0777 [pid 2405] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2404] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2402] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2400] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2399] <... futex resumed>) = 1 [pid 2397] <... futex resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2407 [pid 2407] set_robust_list(0x5555810c5760, 24 [pid 2406] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2405] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2404] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2400] <... futex resumed>) = 0 [pid 2399] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2397] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2407] <... set_robust_list resumed>) = 0 [pid 2406] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2405] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2404] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2400] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2397] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 2405] <... futex resumed>) = 1 [pid 2402] <... futex resumed>) = 0 [pid 2397] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2405] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2404] <... unlinkat resumed>) = 0 [pid 2402] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2399] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2407] rt_sigprocmask(SIG_SETMASK, [] [pid 2406] <... futex resumed>) = 1 [pid 2405] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2404] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2402] <... futex resumed>) = 0 [pid 2401] <... futex resumed>) = 0 [pid 2399] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2407] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2406] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2405] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2404] <... futex resumed>) = 1 [pid 2402] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2401] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2400] <... futex resumed>) = 0 [pid 2407] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2405] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2404] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2401] <... futex resumed>) = 0 [pid 2400] exit_group(0 [pid 2399] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2407] <... prctl resumed>) = 0 [pid 2406] mount(NULL, "./config", "configfs", 0, NULL [pid 2405] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2404] <... futex resumed>) = ? [pid 2401] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2400] <... exit_group resumed>) = ? [pid 2399] <... futex resumed>) = 1 [pid 2397] <... futex resumed>) = 0 [pid 2407] setpgid(0, 0 [pid 2406] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2405] <... futex resumed>) = 1 [pid 2404] +++ exited with 0 +++ [pid 2402] <... futex resumed>) = 0 [pid 2400] +++ exited with 0 +++ [pid 2399] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2397] exit_group(0 [pid 2407] <... setpgid resumed>) = 0 [pid 2406] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2405] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2402] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2399] <... futex resumed>) = ? [pid 2397] <... exit_group resumed>) = ? [pid 2407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2406] <... futex resumed>) = 1 [pid 2405] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2402] <... futex resumed>) = 0 [pid 2401] <... futex resumed>) = 0 [pid 2399] +++ exited with 0 +++ [pid 2397] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2400, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2406] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2405] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2402] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2401] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2407] <... openat resumed>) = 3 [pid 2406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2405] <... mkdirat resumed>) = 0 [pid 2401] <... futex resumed>) = 0 [pid 2407] write(3, "1000", 4 [pid 2406] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2405] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2401] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2397, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2407] <... write resumed>) = 4 [pid 2406] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2405] <... futex resumed>) = 1 [pid 2402] <... futex resumed>) = 0 [pid 2407] close(3 [pid 2406] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2405] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2402] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2405] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2402] <... futex resumed>) = 0 [pid 2405] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2406] <... futex resumed>) = 1 [pid 2402] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2401] <... futex resumed>) = 0 [pid 2407] <... close resumed>) = 0 [pid 2406] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2405] <... symlinkat resumed>) = 0 [pid 2407] write(1, "executing program\n", 18 [pid 2406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2405] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2401] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2407] <... write resumed>) = 18 [pid 2406] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2405] <... futex resumed>) = 1 [pid 2402] <... futex resumed>) = 0 [pid 2401] <... futex resumed>) = 0 [pid 2407] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2406] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2405] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2402] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2401] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2407] <... futex resumed>) = 0 [pid 2406] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2405] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2402] <... futex resumed>) = 0 [pid 2401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2407] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2406] <... futex resumed>) = 0 [pid 2405] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2402] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2407] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2406] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2405] <... unlinkat resumed>) = 0 [pid 2401] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2405] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2402] <... futex resumed>) = 0 [pid 2405] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2402] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2405] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2402] <... futex resumed>) = 0 [pid 2405] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2402] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2405] <... unlinkat resumed>) = 0 [pid 2401] <... futex resumed>) = 0 [pid 2405] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2401] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2408 [pid 2407] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2406] <... mkdirat resumed>) = 0 [pid 2405] <... futex resumed>) = 1 [pid 2402] <... futex resumed>) = 0 [pid 2407] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2406] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2405] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2402] exit_group(0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 2407] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2406] <... futex resumed>) = 1 [pid 2405] <... futex resumed>) = ? [pid 2402] <... exit_group resumed>) = ? [pid 2401] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2407] <... mmap resumed>) = 0x7f85c0c15000 [pid 2406] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2405] +++ exited with 0 +++ [pid 2402] +++ exited with 0 +++ [pid 2401] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2407] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2401] <... futex resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2402, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 2406] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2401] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 2408 attached [pid 2406] <... symlinkat resumed>) = 0 [pid 2407] <... mprotect resumed>) = 0 [pid 2406] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2408] set_robust_list(0x5555810c5760, 24 [pid 2406] <... futex resumed>) = 1 [pid 2401] <... futex resumed>) = 0 [pid 2407] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2406] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2401] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2407] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2401] <... futex resumed>) = 0 [pid 2407] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2406] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2401] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 2406] <... unlinkat resumed>) = 0 [pid 2406] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2408] <... set_robust_list resumed>) = 0 [pid 2408] rt_sigprocmask(SIG_SETMASK, [] [pid 2406] <... futex resumed>) = 1 [pid 2401] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2406] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2401] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2408] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2406] <... unlinkat resumed>) = 0 [pid 2401] <... futex resumed>) = 0 [pid 2406] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2407] <... clone3 resumed> => {parent_tid=[2409]}, 88) = 2409 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2406] <... futex resumed>) = 0 [pid 2401] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2408] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2408] setpgid(0, 0) = 0 [pid 2401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2410 [pid 2406] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2407] rt_sigprocmask(SIG_SETMASK, [] [pid 2401] exit_group(0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2408] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2408] write(3, "1000", 4 [pid 2407] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2406] <... futex resumed>) = ? [pid 2401] <... exit_group resumed>) = ? [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2411 [pid 2407] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2406] +++ exited with 0 +++ [pid 2408] <... write resumed>) = 4 [pid 2408] close(3) = 0 [pid 2408] write(1, "executing program\n", 18) = 18 [pid 2408] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2408] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2401] +++ exited with 0 +++ [pid 2408] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2401, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 2407] <... futex resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2407] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2408] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2408] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITEci2-android-5-15/strace-static-x86_64: Process 2410 attached ) = 0 [pid 2410] set_robust_list(0x5555810c5760, 24 [pid 2408] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2410] <... set_robust_list resumed>) = 0 [pid 2408] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2410] rt_sigprocmask(SIG_SETMASK, [] [pid 2408] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2410] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 2411 attached ci2-android-5-15/strace-static-x86_64: Process 2412 attached [pid 2410] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2408] <... clone3 resumed> => {parent_tid=[2412]}, 88) = 2412 [pid 2411] set_robust_list(0x5555810c5760, 24 [pid 2410] <... prctl resumed>) = 0 [pid 2408] rt_sigprocmask(SIG_SETMASK, [] [pid 2411] <... set_robust_list resumed>) = 0 [pid 2410] setpgid(0, 0 [pid 2408] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2411] rt_sigprocmask(SIG_SETMASK, [] [pid 2410] <... setpgid resumed>) = 0 [pid 2408] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2412] set_robust_list(0x7f85c0c359a0, 24 [pid 2411] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2408] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2409 attached [pid 2412] <... set_robust_list resumed>) = 0 [pid 2411] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2410] <... openat resumed>) = 3 [pid 2408] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2411] <... prctl resumed>) = 0 [pid 2410] write(3, "1000", 4 [pid 2409] set_robust_list(0x7f85c0c359a0, 24 [pid 2411] setpgid(0, 0 [pid 2410] <... write resumed>) = 4 [pid 2409] <... set_robust_list resumed>) = 0 [pid 2411] <... setpgid resumed>) = 0 [pid 2410] close(3 [pid 2409] rt_sigprocmask(SIG_SETMASK, [] [pid 2411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2412] rt_sigprocmask(SIG_SETMASK, [] [pid 2410] <... close resumed>) = 0 [pid 2409] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2411] <... openat resumed>) = 3 [pid 2410] write(1, "executing program\n", 18 [pid 2409] mkdirat(AT_FDCWD, "./config", 0777 [pid 2411] write(3, "1000", 4 [pid 2410] <... write resumed>) = 18 executing program [pid 2409] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2411] <... write resumed>) = 4 [pid 2410] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2409] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2411] close(3 [pid 2410] <... futex resumed>) = 0 [pid 2409] <... futex resumed>) = 1 [pid 2407] <... futex resumed>) = 0 [pid 2411] <... close resumed>) = 0 [pid 2410] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2409] mount(NULL, "./config", "configfs", 0, NULL [pid 2407] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2411] write(1, "executing program\n", 18 [pid 2410] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2409] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2407] <... futex resumed>) = 0 [pid 2412] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2407] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} executing program [pid 2411] <... write resumed>) = 18 [pid 2410] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2409] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2411] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2410] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2409] <... futex resumed>) = 1 [pid 2407] <... futex resumed>) = 0 [pid 2411] <... futex resumed>) = 0 [pid 2410] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2409] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2407] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2411] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2410] <... mmap resumed>) = 0x7f85c0c15000 [pid 2409] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2407] <... futex resumed>) = 0 [pid 2412] mkdirat(AT_FDCWD, "./config", 0777 [pid 2411] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2410] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2411] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2410] <... mprotect resumed>) = 0 [pid 2409] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2407] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2411] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2410] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2407] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2412] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2411] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2410] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2409] <... futex resumed>) = 0 [pid 2407] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2412] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2411] <... mmap resumed>) = 0x7f85c0c15000 [pid 2410] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2409] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2407] <... futex resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 2411] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2409] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2407] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2412] <... futex resumed>) = 1 [pid 2411] <... mprotect resumed>) = 0 [pid 2410] <... clone3 resumed> => {parent_tid=[2413]}, 88) = 2413 [pid 2409] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2408] <... futex resumed>) = 0 [pid 2407] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2411] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2410] rt_sigprocmask(SIG_SETMASK, [] [pid 2409] <... futex resumed>) = 0 [pid 2408] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2411] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2410] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2409] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2408] <... futex resumed>) = 0 [pid 2407] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2413 attached [pid 2412] mount(NULL, "./config", "configfs", 0, NULL [pid 2411] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2410] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2409] <... mkdirat resumed>) = 0 [pid 2408] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2407] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2413] set_robust_list(0x7f85c0c359a0, 24 [pid 2412] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2410] <... futex resumed>) = 0 [pid 2409] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2407] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2412] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2407] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 2414 attached [pid 2413] <... set_robust_list resumed>) = 0 [pid 2412] <... futex resumed>) = 1 [pid 2411] <... clone3 resumed> => {parent_tid=[2414]}, 88) = 2414 [pid 2410] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2409] <... futex resumed>) = 0 [pid 2408] <... futex resumed>) = 0 [pid 2407] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2415 attached [pid 2412] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2407] <... futex resumed>) = 0 [pid 2415] set_robust_list(0x5555810c5760, 24 [pid 2407] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2414] set_robust_list(0x7f85c0c359a0, 24 [pid 2413] rt_sigprocmask(SIG_SETMASK, [] [pid 2411] rt_sigprocmask(SIG_SETMASK, [] [pid 2409] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2408] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2415 [pid 2415] <... set_robust_list resumed>) = 0 [pid 2412] <... futex resumed>) = 0 [pid 2411] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2409] <... symlinkat resumed>) = 0 [pid 2408] <... futex resumed>) = 1 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 2415] rt_sigprocmask(SIG_SETMASK, [] [pid 2412] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2411] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2409] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2408] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2415] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2414] <... set_robust_list resumed>) = 0 [pid 2413] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2412] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2411] <... futex resumed>) = 0 [pid 2409] <... futex resumed>) = 1 [pid 2407] <... futex resumed>) = 0 [pid 2415] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2412] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2411] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2409] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2414] rt_sigprocmask(SIG_SETMASK, [] [pid 2413] mkdirat(AT_FDCWD, "./config", 0777 [pid 2407] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2415] <... prctl resumed>) = 0 [pid 2412] <... futex resumed>) = 1 [pid 2409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2408] <... futex resumed>) = 0 [pid 2407] <... futex resumed>) = 0 [pid 2415] setpgid(0, 0 [pid 2413] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2412] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2409] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2408] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2407] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2415] <... setpgid resumed>) = 0 [pid 2413] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2412] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2409] <... unlinkat resumed>) = 0 [pid 2408] <... futex resumed>) = 0 [pid 2415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2413] <... futex resumed>) = 1 [pid 2412] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2410] <... futex resumed>) = 0 [pid 2409] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2408] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2415] <... openat resumed>) = 3 [pid 2414] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2413] mount(NULL, "./config", "configfs", 0, NULL [pid 2412] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2410] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2409] <... futex resumed>) = 1 [pid 2407] <... futex resumed>) = 0 [pid 2415] write(3, "1000", 4 [pid 2413] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2412] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2410] <... futex resumed>) = 0 [pid 2409] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2407] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2415] <... write resumed>) = 4 [pid 2414] mkdirat(AT_FDCWD, "./config", 0777 [pid 2413] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2412] <... futex resumed>) = 1 [pid 2410] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2408] <... futex resumed>) = 0 [pid 2407] <... futex resumed>) = 0 [pid 2415] close(3 [pid 2413] <... futex resumed>) = 0 [pid 2412] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2410] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2409] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2408] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2407] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2415] <... close resumed>) = 0 [pid 2413] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2412] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2410] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2409] <... unlinkat resumed>) = 0 [pid 2408] <... futex resumed>) = 0 [pid 2415] write(1, "executing program\n", 18 [pid 2413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 2412] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2410] <... futex resumed>) = 0 [pid 2409] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2408] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2415] <... write resumed>) = 18 [pid 2414] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2413] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2412] <... mkdirat resumed>) = 0 [pid 2410] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2409] <... futex resumed>) = 1 [pid 2407] <... futex resumed>) = 0 [pid 2415] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2414] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2413] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2412] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2409] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2407] exit_group(0 [pid 2415] <... futex resumed>) = 0 [pid 2414] <... futex resumed>) = 1 [pid 2413] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2412] <... futex resumed>) = 1 [pid 2411] <... futex resumed>) = 0 [pid 2409] <... futex resumed>) = ? [pid 2408] <... futex resumed>) = 0 [pid 2407] <... exit_group resumed>) = ? [pid 2415] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2414] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2413] <... futex resumed>) = 1 [pid 2412] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2411] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2410] <... futex resumed>) = 0 [pid 2409] +++ exited with 0 +++ [pid 2408] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2407] +++ exited with 0 +++ [pid 2415] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2414] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2413] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2412] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2411] <... futex resumed>) = 0 [pid 2410] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2408] <... futex resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2407, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2415] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2414] mount(NULL, "./config", "configfs", 0, NULL [pid 2413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2412] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2411] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2410] <... futex resumed>) = 0 [pid 2408] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2415] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2414] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2413] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2412] <... symlinkat resumed>) = 0 [pid 2410] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2415] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2414] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2413] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2412] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2415] <... mmap resumed>) = 0x7f85c0c15000 [pid 2414] <... futex resumed>) = 1 [pid 2413] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2412] <... futex resumed>) = 1 [pid 2411] <... futex resumed>) = 0 [pid 2408] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2415] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2414] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2413] <... futex resumed>) = 1 [pid 2412] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2411] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2410] <... futex resumed>) = 0 [pid 2408] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2415] <... mprotect resumed>) = 0 [pid 2414] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2413] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2412] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2411] <... futex resumed>) = 0 [pid 2410] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2408] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2416 attached [pid 2415] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2414] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2412] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2411] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2410] <... futex resumed>) = 0 [pid 2408] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2416 [pid 2416] set_robust_list(0x5555810c5760, 24 [pid 2415] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2414] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2413] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2412] <... unlinkat resumed>) = 0 [pid 2410] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 2415] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2414] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2413] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2412] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2414] <... futex resumed>) = 1 [pid 2413] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2412] <... futex resumed>) = 1 [pid 2411] <... futex resumed>) = 0 [pid 2408] <... futex resumed>) = 0 [pid 2415] <... clone3 resumed> => {parent_tid=[2417]}, 88) = 2417 [pid 2414] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2413] <... futex resumed>) = 1 [pid 2412] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2411] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2410] <... futex resumed>) = 0 [pid 2408] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2415] rt_sigprocmask(SIG_SETMASK, [] [pid 2414] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2413] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2412] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2411] <... futex resumed>) = 0 [pid 2410] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2408] <... futex resumed>) = 0 [pid 2415] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2414] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2412] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2411] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2410] <... futex resumed>) = 0 [pid 2408] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2416] <... set_robust_list resumed>) = 0 [pid 2415] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2414] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2413] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2412] <... unlinkat resumed>) = 0 [pid 2410] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2417 attached [pid 2415] <... futex resumed>) = 0 [pid 2414] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2413] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2412] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2415] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2414] <... futex resumed>) = 1 [pid 2413] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2412] <... futex resumed>) = 1 [pid 2411] <... futex resumed>) = 0 [pid 2408] <... futex resumed>) = 0 [pid 2414] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2413] <... futex resumed>) = 1 [pid 2412] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2411] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2410] <... futex resumed>) = 0 [pid 2408] exit_group(0 [pid 2414] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2413] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2412] <... futex resumed>) = ? [pid 2411] <... futex resumed>) = 0 [pid 2410] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2408] <... exit_group resumed>) = ? [pid 2416] rt_sigprocmask(SIG_SETMASK, [] [pid 2414] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2412] +++ exited with 0 +++ [pid 2411] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2410] <... futex resumed>) = 0 [pid 2408] +++ exited with 0 +++ [pid 2417] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2414] <... mkdirat resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2408, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2414] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2413] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2410] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2414] <... futex resumed>) = 1 [pid 2413] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2411] <... futex resumed>) = 0 [pid 2414] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2413] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2411] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2414] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2413] <... futex resumed>) = 1 [pid 2411] <... futex resumed>) = 0 [pid 2410] <... futex resumed>) = 0 [pid 2414] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2413] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2411] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2410] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2417] rt_sigprocmask(SIG_SETMASK, [] [pid 2414] <... symlinkat resumed>) = 0 [pid 2417] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2416] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2414] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2410] <... futex resumed>) = 0 [pid 2414] <... futex resumed>) = 1 [pid 2413] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2411] <... futex resumed>) = 0 [pid 2410] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2417] mkdirat(AT_FDCWD, "./config", 0777 [pid 2414] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2413] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 2411] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2417] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2414] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2413] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2411] <... futex resumed>) = 0 [pid 2417] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2414] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2413] <... futex resumed>) = 1 [pid 2411] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2410] <... futex resumed>) = 0 [pid 2414] <... unlinkat resumed>) = 0 [pid 2417] <... futex resumed>) = 1 [pid 2416] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2415] <... futex resumed>) = 0 [pid 2414] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2413] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2410] exit_group(0 [pid 2417] mount(NULL, "./config", "configfs", 0, NULL [pid 2415] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2414] <... futex resumed>) = 1 [pid 2411] <... futex resumed>) = 0 [pid 2410] <... exit_group resumed>) = ? [pid 2413] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 312] <... restart_syscall resumed>) = 0 [pid 2415] <... futex resumed>) = 0 [pid 2414] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2411] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2415] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2416] <... prctl resumed>) = 0 [pid 2416] setpgid(0, 0) = 0 [pid 2416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2417] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2416] <... openat resumed>) = 3 [pid 2414] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2413] +++ exited with 0 +++ [pid 2411] <... futex resumed>) = 0 [pid 2410] +++ exited with 0 +++ [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2417] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2416] write(3, "1000", 4 [pid 2414] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2411] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2417] <... futex resumed>) = 1 [pid 2416] <... write resumed>) = 4 [pid 2415] <... futex resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 2418 attached [pid 2417] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2416] close(3 [pid 2415] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2414] <... unlinkat resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2410, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 2417] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2416] <... close resumed>) = 0 [pid 2415] <... futex resumed>) = 0 [pid 2414] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2418 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2418] set_robust_list(0x5555810c5760, 24 [pid 2417] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2416] write(1, "executing program\n", 18 [pid 2415] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2414] <... futex resumed>) = 1 [pid 2411] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 2417] <... futex resumed>) = 0 [pid 2416] <... write resumed>) = 18 [pid 2415] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2414] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2411] exit_group(0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2417] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2416] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2415] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2414] <... futex resumed>) = ? [pid 2411] <... exit_group resumed>) = ? [pid 2416] <... futex resumed>) = 0 [pid 2416] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2415] <... futex resumed>) = 0 [pid 2414] +++ exited with 0 +++ [pid 2416] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2416] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2416] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2416] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2411] +++ exited with 0 +++ [pid 2416] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2416] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2415] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2419 [pid 2417] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2411, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2417] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2416] <... clone3 resumed> => {parent_tid=[2420]}, 88) = 2420 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2417] <... futex resumed>) = 1 [pid 2416] rt_sigprocmask(SIG_SETMASK, [] [pid 2415] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2417] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2416] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2415] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2417] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2416] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2415] <... futex resumed>) = 0 [pid 2417] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2416] <... futex resumed>) = 0 [pid 2415] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2416] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2419 attached [pid 2417] <... mkdirat resumed>) = 0 [pid 2419] set_robust_list(0x5555810c5760, 24 [pid 2417] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2419] <... set_robust_list resumed>) = 0 [pid 2417] <... futex resumed>) = 1 [pid 2415] <... futex resumed>) = 0 [pid 2417] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2415] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2417] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2415] <... futex resumed>) = 0 [pid 2417] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2415] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2417] <... symlinkat resumed>) = 0 [pid 2419] rt_sigprocmask(SIG_SETMASK, [] [pid 2417] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2419] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2417] <... futex resumed>) = 1 [pid 2415] <... futex resumed>) = 0 [pid 2417] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2415] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2417] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2415] <... futex resumed>) = 0 [pid 2417] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2415] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2419] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2417] <... unlinkat resumed>) = 0 [pid 2419] <... prctl resumed>) = 0 [pid 2417] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2419] setpgid(0, 0 [pid 2417] <... futex resumed>) = 1 [pid 2415] <... futex resumed>) = 0 [pid 2417] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2415] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2417] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2415] <... futex resumed>) = 0 [pid 2419] <... setpgid resumed>) = 0 [pid 2417] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2415] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2418] <... set_robust_list resumed>) = 0 [pid 2417] <... unlinkat resumed>) = 0 [pid 2419] <... openat resumed>) = 3 [pid 2418] rt_sigprocmask(SIG_SETMASK, [] [pid 2417] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2419] write(3, "1000", 4 [pid 2417] <... futex resumed>) = 1 [pid 2415] <... futex resumed>) = 0 [pid 2418] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2417] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2415] exit_group(0 [pid 2419] <... write resumed>) = 4 [pid 2415] <... exit_group resumed>) = ? [pid 2417] <... futex resumed>) = ? [pid 2418] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2419] close(3ci2-android-5-15/strace-static-x86_64: Process 2420 attached ) = 0 [pid 2420] set_robust_list(0x7f85c0c359a0, 24 [pid 2419] write(1, "executing program\n", 18 [pid 2420] <... set_robust_list resumed>) = 0 [pid 2419] <... write resumed>) = 18 [pid 2420] rt_sigprocmask(SIG_SETMASK, [] [pid 2419] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2420] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2419] <... futex resumed>) = 0 [pid 2420] mkdirat(AT_FDCWD, "./config", 0777 [pid 2419] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2417] +++ exited with 0 +++ [pid 2415] +++ exited with 0 +++ executing program [pid 2418] <... prctl resumed>) = 0 [pid 2420] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2419] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2420] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2419] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2418] setpgid(0, 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2415, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2420] <... futex resumed>) = 1 [pid 2419] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2418] <... setpgid resumed>) = 0 [pid 2416] <... futex resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2420] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2419] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2416] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2420] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2419] <... mmap resumed>) = 0x7f85c0c15000 [pid 2418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2416] <... futex resumed>) = 0 [pid 2420] mount(NULL, "./config", "configfs", 0, NULL [pid 2419] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2416] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2420] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2419] <... mprotect resumed>) = 0 [pid 2418] <... openat resumed>) = 3 [pid 2420] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2419] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2420] <... futex resumed>) = 1 [pid 2419] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2416] <... futex resumed>) = 0 [pid 2420] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2419] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2418] write(3, "1000", 4 [pid 2416] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2420] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2416] <... futex resumed>) = 0 [pid 2420] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2419] <... clone3 resumed> => {parent_tid=[2421]}, 88) = 2421 [pid 2418] <... write resumed>) = 4 [pid 2416] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... restart_syscall resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2421 attached [pid 2420] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2419] rt_sigprocmask(SIG_SETMASK, [] [pid 2418] close(3 [pid 2420] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2419] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2418] <... close resumed>) = 0 [pid 2420] <... futex resumed>) = 1 [pid 2419] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2418] write(1, "executing program\n", 18 [pid 2416] <... futex resumed>) = 0 executing program [pid 2420] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2419] <... futex resumed>) = 0 [pid 2418] <... write resumed>) = 18 [pid 2416] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2420] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2419] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2418] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2416] <... futex resumed>) = 0 [pid 2420] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2418] <... futex resumed>) = 0 [pid 2416] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2421] set_robust_list(0x7f85c0c359a0, 24 [pid 2420] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2418] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2420] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2418] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 2420] <... futex resumed>) = 1 [pid 2416] <... futex resumed>) = 0 [pid 2420] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2416] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2420] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2418] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2416] <... futex resumed>) = 0 [pid 2420] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2418] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2416] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2421] <... set_robust_list resumed>) = 0 [pid 2420] <... mkdirat resumed>) = 0 [pid 2418] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2422 [pid 2420] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2418] <... mmap resumed>) = 0x7f85c0c15000 [pid 2420] <... futex resumed>) = 1 [pid 2418] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2416] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 2422 attached [pid 2421] rt_sigprocmask(SIG_SETMASK, [] [pid 2420] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2418] <... mprotect resumed>) = 0 [pid 2416] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2420] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2418] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2416] <... futex resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2420] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2418] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2416] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2420] <... symlinkat resumed>) = 0 [pid 2418] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2420] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2416] <... futex resumed>) = 0 [pid 2420] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2416] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2423 [pid 2420] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2418] <... clone3 resumed> => {parent_tid=[2424]}, 88) = 2424 [pid 2416] <... futex resumed>) = 0 [pid 2420] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2418] rt_sigprocmask(SIG_SETMASK, [] [pid 2416] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 2422] set_robust_list(0x5555810c5760, 24 [pid 2421] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2420] <... unlinkat resumed>) = 0 [pid 2418] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 2424 attached [pid 2422] <... set_robust_list resumed>) = 0 [pid 2421] mkdirat(AT_FDCWD, "./config", 0777 [pid 2420] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2418] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2422] rt_sigprocmask(SIG_SETMASK, [] [pid 2421] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2420] <... futex resumed>) = 1 [pid 2418] <... futex resumed>) = 0 [pid 2416] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2423 attached [pid 2424] set_robust_list(0x7f85c0c359a0, 24 [pid 2422] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2421] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2420] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2418] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2416] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2424] <... set_robust_list resumed>) = 0 [pid 2422] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2421] <... futex resumed>) = 1 [pid 2420] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2419] <... futex resumed>) = 0 [pid 2416] <... futex resumed>) = 0 [pid 2422] <... prctl resumed>) = 0 [pid 2421] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2420] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2419] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2416] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2424] rt_sigprocmask(SIG_SETMASK, [] [pid 2423] set_robust_list(0x5555810c5760, 24 [pid 2422] setpgid(0, 0 [pid 2421] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2420] <... unlinkat resumed>) = 0 [pid 2419] <... futex resumed>) = 0 [pid 2422] <... setpgid resumed>) = 0 [pid 2421] mount(NULL, "./config", "configfs", 0, NULL [pid 2420] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2419] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2424] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2423] <... set_robust_list resumed>) = 0 [pid 2422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2421] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2420] <... futex resumed>) = 1 [pid 2416] <... futex resumed>) = 0 [pid 2424] mkdirat(AT_FDCWD, "./config", 0777 [pid 2423] rt_sigprocmask(SIG_SETMASK, [] [pid 2422] <... openat resumed>) = 3 [pid 2421] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2420] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2416] exit_group(0 [pid 2422] write(3, "1000", 4 [pid 2421] <... futex resumed>) = 1 [pid 2420] <... futex resumed>) = ? [pid 2419] <... futex resumed>) = 0 [pid 2416] <... exit_group resumed>) = ? [pid 2424] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2423] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2422] <... write resumed>) = 4 [pid 2421] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2420] +++ exited with 0 +++ [pid 2419] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2416] +++ exited with 0 +++ [pid 2422] close(3 [pid 2421] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2419] <... futex resumed>) = 0 [pid 2422] <... close resumed>) = 0 [pid 2421] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2419] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2416, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2424] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2423] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2422] write(1, "executing program\n", 18 [pid 2421] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2424] <... futex resumed>) = 1 [pid 2422] <... write resumed>) = 18 [pid 2421] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2418] <... futex resumed>) = 0 [pid 2424] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2423] <... prctl resumed>) = 0 [pid 2422] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2421] <... futex resumed>) = 1 [pid 2419] <... futex resumed>) = 0 [pid 2418] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... restart_syscall resumed>) = 0 [pid 2424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2423] setpgid(0, 0 [pid 2422] <... futex resumed>) = 0 [pid 2421] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2419] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2418] <... futex resumed>) = 0 [pid 2424] mount(NULL, "./config", "configfs", 0, NULL [pid 2423] <... setpgid resumed>) = 0 [pid 2422] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2421] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2419] <... futex resumed>) = 0 [pid 2418] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2424] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2422] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2421] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2419] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2424] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2423] <... openat resumed>) = 3 [pid 2422] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2421] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2424] <... futex resumed>) = 1 [pid 2423] write(3, "1000", 4 [pid 2422] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2421] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2418] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2424] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2423] <... write resumed>) = 4 [pid 2422] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2421] <... futex resumed>) = 1 [pid 2419] <... futex resumed>) = 0 [pid 2418] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2423] close(3 [pid 2422] <... mmap resumed>) = 0x7f85c0c15000 [pid 2421] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2419] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2418] <... futex resumed>) = 0 [pid 2422] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2421] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2419] <... futex resumed>) = 0 [pid 2422] <... mprotect resumed>) = 0 [pid 2421] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2419] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2418] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2425 attached [pid 2424] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2423] <... close resumed>) = 0 [pid 2422] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2421] <... mkdirat resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2425 [pid 2424] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2423] write(1, "executing program\n", 18 [pid 2422] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 2421] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2424] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2423] <... write resumed>) = 18 [pid 2422] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2421] <... futex resumed>) = 1 [pid 2419] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 2424] <... futex resumed>) = 1 [pid 2423] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2421] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2419] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2418] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2424] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2423] <... futex resumed>) = 0 [pid 2422] <... clone3 resumed> => {parent_tid=[2426]}, 88) = 2426 [pid 2421] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2419] <... futex resumed>) = 0 [pid 2418] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2423] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2422] rt_sigprocmask(SIG_SETMASK, [] [pid 2421] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2419] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2418] <... futex resumed>) = 0 [pid 2425] set_robust_list(0x5555810c5760, 24 [pid 2424] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2423] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2422] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2421] <... symlinkat resumed>) = 0 [pid 2422] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2421] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2422] <... futex resumed>) = 0 [pid 2421] <... futex resumed>) = 1 [pid 2419] <... futex resumed>) = 0 [pid 2418] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2425] <... set_robust_list resumed>) = 0 [pid 2424] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2423] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2422] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2421] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2419] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2425] rt_sigprocmask(SIG_SETMASK, [] [pid 2424] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2423] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2421] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2419] <... futex resumed>) = 0 [pid 2425] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2424] <... futex resumed>) = 1 [pid 2423] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2421] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2419] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2418] <... futex resumed>) = 0 [pid 2425] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2424] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2423] <... mmap resumed>) = 0x7f85c0c15000 [pid 2421] <... unlinkat resumed>) = 0 [pid 2418] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2425] <... prctl resumed>) = 0 [pid 2424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2423] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2421] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2418] <... futex resumed>) = 0 [pid 2425] setpgid(0, 0 [pid 2424] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2423] <... mprotect resumed>) = 0 [pid 2421] <... futex resumed>) = 1 [pid 2419] <... futex resumed>) = 0 [pid 2418] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2425] <... setpgid resumed>) = 0 [pid 2424] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2423] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2421] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2419] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2424] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2423] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2421] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2419] <... futex resumed>) = 0 [pid 2424] <... futex resumed>) = 1 [pid 2423] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2421] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2419] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2418] <... futex resumed>) = 0 [pid 2425] <... openat resumed>) = 3 [pid 2424] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2421] <... unlinkat resumed>) = 0 [pid 2418] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2425] write(3, "1000", 4 [pid 2424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2423] <... clone3 resumed> => {parent_tid=[2427]}, 88) = 2427 [pid 2421] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2418] <... futex resumed>) = 0 [pid 2425] <... write resumed>) = 4 [pid 2424] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2423] rt_sigprocmask(SIG_SETMASK, [] [pid 2421] <... futex resumed>) = 1 [pid 2419] <... futex resumed>) = 0 [pid 2418] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2425] close(3 [pid 2424] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2423] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2421] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2419] exit_group(0 [pid 2425] <... close resumed>) = 0 [pid 2424] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2423] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2421] <... futex resumed>) = ? [pid 2419] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 2427 attached [pid 2425] write(1, "executing program\n", 18 [pid 2424] <... futex resumed>) = 1 [pid 2423] <... futex resumed>) = 0 [pid 2421] +++ exited with 0 +++ [pid 2418] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2426 attached [pid 2426] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2426] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2426] mkdirat(AT_FDCWD, "./config", 0777 [pid 2419] +++ exited with 0 +++ [pid 2426] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2424] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2423] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} executing program [pid 2418] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2425] <... write resumed>) = 18 [pid 2424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2418] <... futex resumed>) = 0 [pid 2425] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2424] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2418] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2419, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2425] <... futex resumed>) = 0 [pid 2424] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2426] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2425] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2424] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2426] <... futex resumed>) = 1 [pid 2425] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2424] <... futex resumed>) = 1 [pid 2422] <... futex resumed>) = 0 [pid 2418] <... futex resumed>) = 0 [pid 2426] mount(NULL, "./config", "configfs", 0, NULL [pid 2425] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2424] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2422] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2418] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2427] set_robust_list(0x7f85c0c359a0, 24 [pid 2426] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2425] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2422] <... futex resumed>) = 0 [pid 2418] <... futex resumed>) = 0 [pid 2426] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2425] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2424] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2422] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2418] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2426] <... futex resumed>) = 0 [pid 2425] <... mmap resumed>) = 0x7f85c0c15000 [pid 2424] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2422] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2426] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2425] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2424] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2422] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2426] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2425] <... mprotect resumed>) = 0 [pid 2424] <... futex resumed>) = 1 [pid 2422] <... futex resumed>) = 0 [pid 2418] <... futex resumed>) = 0 [pid 2426] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2425] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2424] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2422] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2426] <... futex resumed>) = 0 [pid 2425] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2422] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2418] exit_group(0 [pid 306] <... restart_syscall resumed>) = 0 [pid 2426] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2425] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2424] <... futex resumed>) = ? [pid 2422] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2418] <... exit_group resumed>) = ? [pid 2427] <... set_robust_list resumed>) = 0 [pid 2426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2422] <... futex resumed>) = 0 [pid 2426] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2422] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2426] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2426] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2422] <... futex resumed>) = 0 [pid 2426] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2422] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2422] <... futex resumed>) = 0 [pid 2426] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2422] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2427] rt_sigprocmask(SIG_SETMASK, [] [pid 2426] <... mkdirat resumed>) = 0 [pid 2425] <... clone3 resumed> => {parent_tid=[2428]}, 88) = 2428 [pid 2424] +++ exited with 0 +++ [pid 2418] +++ exited with 0 +++ [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2426] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2425] rt_sigprocmask(SIG_SETMASK, [] [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2418, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2426] <... futex resumed>) = 1 [pid 2425] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2422] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2427] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2426] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2425] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2422] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2422] <... futex resumed>) = 0 [pid 2426] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2422] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2427] mkdirat(AT_FDCWD, "./config", 0777 [pid 2426] <... symlinkat resumed>) = 0 [pid 2425] <... futex resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2429 [pid 2426] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2425] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2427] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2426] <... futex resumed>) = 1 [pid 2422] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2426] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2422] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2427] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2422] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2426] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2422] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2427] <... futex resumed>) = 1 [pid 2426] <... unlinkat resumed>) = 0 [pid 2423] <... futex resumed>) = 0 [pid 2426] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2423] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2427] mount(NULL, "./config", "configfs", 0, NULL [pid 2426] <... futex resumed>) = 1 [pid 2422] <... futex resumed>) = 0 [pid 2423] <... futex resumed>) = 0 [pid 2426] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2422] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2423] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2427] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2422] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2429 attached [pid 2427] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2426] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2422] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2428 attached [pid 2429] set_robust_list(0x5555810c5760, 24 [pid 2427] <... futex resumed>) = 1 [pid 2426] <... unlinkat resumed>) = 0 [pid 2423] <... futex resumed>) = 0 [pid 2429] <... set_robust_list resumed>) = 0 [pid 2428] set_robust_list(0x7f85c0c359a0, 24 [pid 2427] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2426] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2423] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2429] rt_sigprocmask(SIG_SETMASK, [] [pid 2428] <... set_robust_list resumed>) = 0 [pid 2427] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2426] <... futex resumed>) = 1 [pid 2423] <... futex resumed>) = 0 [pid 2422] <... futex resumed>) = 0 [pid 2429] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2428] rt_sigprocmask(SIG_SETMASK, [] [pid 2427] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2426] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2423] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2422] exit_group(0 [pid 2429] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2428] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2427] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2426] <... futex resumed>) = ? [pid 2422] <... exit_group resumed>) = ? [pid 2429] <... prctl resumed>) = 0 [pid 2428] mkdirat(AT_FDCWD, "./config", 0777 [pid 2427] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2426] +++ exited with 0 +++ [pid 2428] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2428] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2425] <... futex resumed>) = 0 [pid 2428] mount(NULL, "./config", "configfs", 0, NULL [pid 2425] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2428] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2425] <... futex resumed>) = 0 [pid 2422] +++ exited with 0 +++ [pid 2429] setpgid(0, 0 [pid 2428] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2427] <... futex resumed>) = 1 [pid 2425] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2423] <... futex resumed>) = 0 [pid 2429] <... setpgid resumed>) = 0 [pid 2428] <... futex resumed>) = 0 [pid 2427] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2425] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2423] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... restart_syscall resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2422, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2428] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2427] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2425] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2423] <... futex resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2428] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2427] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2425] <... futex resumed>) = 0 [pid 2423] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2429] <... openat resumed>) = 3 [pid 2428] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2427] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2425] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2429] write(3, "1000", 4 [pid 2428] <... futex resumed>) = 0 [pid 2427] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2425] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2429] <... write resumed>) = 4 [pid 2428] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2427] <... futex resumed>) = 1 [pid 2425] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2423] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2429] close(3 [pid 2428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2427] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2425] <... futex resumed>) = 0 [pid 2423] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2429] <... close resumed>) = 0 [pid 2428] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2427] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2425] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2423] <... futex resumed>) = 0 [pid 2428] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2428] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2429] write(1, "executing program\n", 18 [pid 2428] <... futex resumed>) = 1 [pid 2427] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2425] <... futex resumed>) = 0 [pid 2423] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2430 [pid 2429] <... write resumed>) = 18 [pid 2428] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2425] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2427] <... mkdirat resumed>) = 0 [pid 2425] <... futex resumed>) = 0 [pid 2429] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 2428] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2427] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2425] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 2429] <... futex resumed>) = 0 [pid 2428] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2427] <... futex resumed>) = 1 [pid 2423] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2429] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2428] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2427] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2423] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2429] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2428] <... futex resumed>) = 1 [pid 2427] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2425] <... futex resumed>) = 0 [pid 2423] <... futex resumed>) = 0 [pid 2429] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2428] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2427] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2425] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2423] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2429] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2427] <... symlinkat resumed>) = 0 [pid 2425] <... futex resumed>) = 0 [pid 2429] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2428] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2427] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2425] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2429] <... mmap resumed>) = 0x7f85c0c15000 [pid 2428] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 2427] <... futex resumed>) = 1 [pid 2423] <... futex resumed>) = 0 [pid 2429] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2428] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2429] <... mprotect resumed>) = 0 [pid 2428] <... futex resumed>) = 1 [pid 2427] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2425] <... futex resumed>) = 0 [pid 2423] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2429] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2428] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2427] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2425] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... restart_syscall resumed>) = 0 [pid 2423] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2430 attached [pid 2429] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2427] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2425] <... futex resumed>) = 0 [pid 2423] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2430] set_robust_list(0x5555810c5760, 24 [pid 2429] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2428] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2427] <... unlinkat resumed>) = 0 [pid 2425] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2430] <... set_robust_list resumed>) = 0 [pid 2428] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2427] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2431 attached [pid 2430] rt_sigprocmask(SIG_SETMASK, [] [pid 2429] <... clone3 resumed> => {parent_tid=[2431]}, 88) = 2431 [pid 2428] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2427] <... futex resumed>) = 1 [pid 2423] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2430] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2429] rt_sigprocmask(SIG_SETMASK, [] [pid 2428] <... futex resumed>) = 1 [pid 2427] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2425] <... futex resumed>) = 0 [pid 2423] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2431] set_robust_list(0x7f85c0c359a0, 24 [pid 2430] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2429] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2428] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2427] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2425] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2423] <... futex resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2430] <... prctl resumed>) = 0 [pid 2429] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2427] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2425] <... futex resumed>) = 0 [pid 2423] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2430] setpgid(0, 0 [pid 2428] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2425] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2430] <... setpgid resumed>) = 0 [pid 2429] <... futex resumed>) = 0 [pid 2428] <... unlinkat resumed>) = 0 [pid 2427] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2430] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2429] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2428] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2432 attached [pid 2431] <... set_robust_list resumed>) = 0 [pid 2430] <... openat resumed>) = 3 [pid 2428] <... futex resumed>) = 1 [pid 2427] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2425] <... futex resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2432 [pid 2430] write(3, "1000", 4 [pid 2428] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2427] <... futex resumed>) = 1 [pid 2425] exit_group(0 [pid 2423] <... futex resumed>) = 0 [pid 2430] <... write resumed>) = 4 [pid 2428] <... futex resumed>) = ? [pid 2427] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2425] <... exit_group resumed>) = ? [pid 2423] exit_group(0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 2432] set_robust_list(0x5555810c5760, 24 [pid 2431] rt_sigprocmask(SIG_SETMASK, [] [pid 2430] close(3 [pid 2428] +++ exited with 0 +++ [pid 2427] <... futex resumed>) = ? [pid 2425] +++ exited with 0 +++ [pid 2423] <... exit_group resumed>) = ? [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2430] <... close resumed>) = 0 [pid 2427] +++ exited with 0 +++ [pid 2430] write(1, "executing program\n", 18 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2425, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2430] <... write resumed>) = 18 [pid 2430] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 2430] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2432] <... set_robust_list resumed>) = 0 [pid 2431] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2423] +++ exited with 0 +++ [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2430] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2423, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2432] rt_sigprocmask(SIG_SETMASK, [] [pid 2430] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2431] mkdirat(AT_FDCWD, "./config", 0777 [pid 2430] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2432] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2432] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2432] setpgid(0, 0) = 0 [pid 2432] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2430] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2432] <... openat resumed>) = 3 [pid 2430] <... mmap resumed>) = 0x7f85c0c15000 [pid 2431] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2432] write(3, "1000", 4) = 4 [pid 2432] close(3) = 0 [pid 2432] write(1, "executing program\n", 18 [pid 2431] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2430] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2432] <... write resumed>) = 18 [pid 2430] <... mprotect resumed>) = 0 [pid 2431] <... futex resumed>) = 1 [pid 2429] <... futex resumed>) = 0 [pid 2431] mount(NULL, "./config", "configfs", 0, NULL executing program [pid 2430] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2429] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2432] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2430] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2429] <... futex resumed>) = 0 [pid 2431] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2430] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2429] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2432] <... futex resumed>) = 0 [pid 2432] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2431] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2432] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2432] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2432] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2431] <... futex resumed>) = 1 [pid 2430] <... clone3 resumed> => {parent_tid=[2433]}, 88) = 2433 [pid 2429] <... futex resumed>) = 0 [pid 2431] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2430] rt_sigprocmask(SIG_SETMASK, [] [pid 2429] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2430] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2429] <... futex resumed>) = 0 [pid 2431] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2430] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2429] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2431] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2430] <... futex resumed>) = 0 [pid 2431] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2430] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2432] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2429] <... futex resumed>) = 0 [pid 2431] <... futex resumed>) = 1 [pid 2429] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2432] <... mprotect resumed>) = 0 [pid 2431] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2429] <... futex resumed>) = 0 [pid 2432] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2431] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2429] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2432] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2431] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2432] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0}ci2-android-5-15/strace-static-x86_64: Process 2434 attached [pid 2431] <... futex resumed>) = 1 [pid 2429] <... futex resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 2432] <... clone3 resumed> => {parent_tid=[2434]}, 88) = 2434 [pid 2431] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2429] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2432] rt_sigprocmask(SIG_SETMASK, [] [pid 2429] <... futex resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 2432] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2432] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2432] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2431] <... mkdirat resumed>) = 0 [pid 2429] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 2433 attached , [], 8) = 0 [pid 2431] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2431] <... futex resumed>) = 1 [pid 2429] <... futex resumed>) = 0 [pid 2433] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2433] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2433] mkdirat(AT_FDCWD, "./config", 0777 [pid 2431] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2429] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2429] <... futex resumed>) = 0 [pid 2433] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2431] <... symlinkat resumed>) = 0 [pid 2429] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2433] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2433] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 2435 attached [pid 2435] set_robust_list(0x5555810c5760, 24) = 0 [pid 2435] rt_sigprocmask(SIG_SETMASK, [] [pid 2431] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2430] <... futex resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2435 [pid 2430] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2431] <... futex resumed>) = 1 [pid 2429] <... futex resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2436 [pid 2430] <... futex resumed>) = 1 [pid 2429] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 2431] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2430] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2429] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2431] <... unlinkat resumed>) = 0 [pid 2429] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2431] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2429] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2431] <... futex resumed>) = 0 [pid 2429] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2433] <... futex resumed>) = 0 [pid 2429] <... futex resumed>) = 0 [pid 2431] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2429] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2433] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 2431] <... unlinkat resumed>) = 0 [pid 2433] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2431] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2433] <... futex resumed>) = 1 [pid 2431] <... futex resumed>) = 1 [pid 2430] <... futex resumed>) = 0 [pid 2429] <... futex resumed>) = 0 [pid 2431] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2430] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2433] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2430] <... futex resumed>) = 0 [pid 2429] exit_group(0 [pid 2430] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2433] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2431] <... futex resumed>) = ? [pid 2429] <... exit_group resumed>) = ? [pid 2433] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2431] +++ exited with 0 +++ [pid 2433] <... futex resumed>) = 1 [pid 2433] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2435] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2435] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2435] setpgid(0, 0) = 0 [pid 2435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2429] +++ exited with 0 +++ [pid 2430] <... futex resumed>) = 0 [pid 2430] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2429, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2433] <... futex resumed>) = 0 [pid 2430] <... futex resumed>) = 1 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2430] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2433] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2434] set_robust_list(0x7f85c0c359a0, 24 [pid 2433] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2435] <... openat resumed>) = 3 [pid 2434] <... set_robust_list resumed>) = 0 [pid 2435] write(3, "1000", 4) = 4 [pid 2435] close(3 [pid 2434] rt_sigprocmask(SIG_SETMASK, [] [pid 2433] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2436 attached [pid 2436] set_robust_list(0x5555810c5760, 24) = 0 [pid 2436] rt_sigprocmask(SIG_SETMASK, [] [pid 2433] <... futex resumed>) = 1 [pid 2430] <... futex resumed>) = 0 [pid 2435] <... close resumed>) = 0 [pid 2434] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2430] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2433] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2430] <... futex resumed>) = 0 [pid 2435] write(1, "executing program\n", 18 [pid 2430] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2435] <... write resumed>) = 18 executing program [pid 2433] <... mkdirat resumed>) = 0 [pid 2436] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2436] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2435] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2434] mkdirat(AT_FDCWD, "./config", 0777 [pid 2433] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2436] <... prctl resumed>) = 0 [pid 2435] <... futex resumed>) = 0 [pid 2433] <... futex resumed>) = 1 [pid 2430] <... futex resumed>) = 0 [pid 2434] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2430] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2435] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2433] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2430] <... futex resumed>) = 0 [pid 2434] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2430] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2435] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2436] setpgid(0, 0 [pid 2434] <... futex resumed>) = 1 [pid 2433] <... symlinkat resumed>) = 0 [pid 2432] <... futex resumed>) = 0 [pid 2436] <... setpgid resumed>) = 0 [pid 2435] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2434] mount(NULL, "./config", "configfs", 0, NULL [pid 2433] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2432] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2436] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2435] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2434] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2433] <... futex resumed>) = 1 [pid 2432] <... futex resumed>) = 0 [pid 2430] <... futex resumed>) = 0 [pid 2436] <... openat resumed>) = 3 [pid 2435] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2434] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2433] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2432] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2430] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2436] write(3, "1000", 4 [pid 2435] <... mmap resumed>) = 0x7f85c0c15000 [pid 2434] <... futex resumed>) = 0 [pid 2433] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2432] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2430] <... futex resumed>) = 0 [pid 2436] <... write resumed>) = 4 [pid 2435] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2434] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2433] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2432] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2430] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2436] close(3 [pid 2435] <... mprotect resumed>) = 0 [pid 2434] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2433] <... unlinkat resumed>) = 0 [pid 2432] <... futex resumed>) = 0 [pid 2436] <... close resumed>) = 0 [pid 2435] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2434] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2433] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2432] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2436] write(1, "executing program\n", 18 [pid 2435] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2434] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2433] <... futex resumed>) = 1 [pid 2430] <... futex resumed>) = 0 [pid 2435] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2434] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2433] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL executing program [pid 2430] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2436] <... write resumed>) = 18 [pid 2433] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2434] <... futex resumed>) = 1 [pid 2432] <... futex resumed>) = 0 [pid 2430] <... futex resumed>) = 0 [pid 2436] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2435] <... clone3 resumed> => {parent_tid=[2437]}, 88) = 2437 [pid 2434] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2433] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2432] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2430] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2436] <... futex resumed>) = 0 [pid 2435] rt_sigprocmask(SIG_SETMASK, [] [pid 2434] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2432] <... futex resumed>) = 0 [pid 2436] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2435] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2434] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2433] <... unlinkat resumed>) = 0 [pid 2432] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2436] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2435] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2434] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2433] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2436] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2435] <... futex resumed>) = 0 [pid 2434] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2433] <... futex resumed>) = 1 [pid 2436] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2435] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2434] <... futex resumed>) = 1 [pid 2433] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2432] <... futex resumed>) = 0 [pid 2430] <... futex resumed>) = 0 [pid 2436] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2434] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2432] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2436] <... mmap resumed>) = 0x7f85c0c15000 [pid 2434] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2432] <... futex resumed>) = 0 [pid 2430] exit_group(0 [pid 306] <... restart_syscall resumed>) = 0 [pid 2436] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2434] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2432] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2430] <... exit_group resumed>) = ? [pid 2433] <... futex resumed>) = ? [pid 2436] <... mprotect resumed>) = 0 [pid 2436] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2436] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0}ci2-android-5-15/strace-static-x86_64: Process 2437 attached => {parent_tid=[2438]}, 88) = 2438 [pid 2437] set_robust_list(0x7f85c0c359a0, 24 [pid 2436] rt_sigprocmask(SIG_SETMASK, [] [pid 2437] <... set_robust_list resumed>) = 0 [pid 2436] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2433] +++ exited with 0 +++ [pid 2430] +++ exited with 0 +++ [pid 2437] rt_sigprocmask(SIG_SETMASK, [] [pid 2436] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2437] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2436] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2430, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2437] mkdirat(AT_FDCWD, "./config", 0777 [pid 2436] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2434] <... mkdirat resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2437] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2434] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2437] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2434] <... futex resumed>) = 1 [pid 2432] <... futex resumed>) = 0 [pid 2437] <... futex resumed>) = 1 [pid 2432] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2437] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2432] <... futex resumed>) = 0 [pid 2432] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2435] <... futex resumed>) = 0 [pid 2434] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2435] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2439 attached [pid 2434] <... symlinkat resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2439 [pid 2435] <... futex resumed>) = 1 [pid 2434] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2437] <... futex resumed>) = 0 [pid 2435] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2434] <... futex resumed>) = 1 [pid 2432] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2434] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2432] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2437] mount(NULL, "./config", "configfs", 0, NULL [pid 2434] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2432] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2438 attached [pid 2437] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2434] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2432] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2437] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2437] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2439] set_robust_list(0x5555810c5760, 24 [pid 2435] <... futex resumed>) = 0 [pid 2434] <... unlinkat resumed>) = 0 [pid 2435] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2434] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2437] <... futex resumed>) = 0 [pid 2435] <... futex resumed>) = 1 [pid 2434] <... futex resumed>) = 1 [pid 2437] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2435] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2434] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2432] <... futex resumed>) = 0 [pid 2437] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2432] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2437] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2434] <... futex resumed>) = 0 [pid 2432] <... futex resumed>) = 1 [pid 2437] <... futex resumed>) = 1 [pid 2435] <... futex resumed>) = 0 [pid 2434] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2432] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2437] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2435] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2437] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2437] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2435] <... futex resumed>) = 0 [pid 2434] <... unlinkat resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 2437] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2435] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2434] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2439] <... set_robust_list resumed>) = 0 [pid 2437] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2435] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2434] <... futex resumed>) = 1 [pid 2439] rt_sigprocmask(SIG_SETMASK, [] [pid 2437] <... futex resumed>) = 0 [pid 2435] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2434] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2432] <... futex resumed>) = 0 [pid 2439] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2438] set_robust_list(0x7f85c0c359a0, 24 [pid 2437] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2435] <... futex resumed>) = 0 [pid 2432] exit_group(0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2439] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2438] <... set_robust_list resumed>) = 0 [pid 2437] <... mkdirat resumed>) = 0 [pid 2435] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2434] <... futex resumed>) = ? [pid 2432] <... exit_group resumed>) = ? [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2439] <... prctl resumed>) = 0 [pid 2438] rt_sigprocmask(SIG_SETMASK, [] [pid 2437] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2434] +++ exited with 0 +++ [pid 2439] setpgid(0, 0 [pid 2437] <... futex resumed>) = 1 [pid 2435] <... futex resumed>) = 0 [pid 2432] +++ exited with 0 +++ [pid 2438] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2439] <... setpgid resumed>) = 0 [pid 2437] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2435] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2432, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2437] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2437] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 2435] <... futex resumed>) = 0 [pid 2439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2438] mkdirat(AT_FDCWD, "./config", 0777 [pid 2437] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2435] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2440 [pid 2439] <... openat resumed>) = 3 [pid 2438] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2437] <... futex resumed>) = 0 [pid 2435] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2439] write(3, "1000", 4 [pid 2438] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2437] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2435] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 2439] <... write resumed>) = 4 [pid 2438] <... futex resumed>) = 1 [pid 2437] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2436] <... futex resumed>) = 0 [pid 2435] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2439] close(3 [pid 2438] mount(NULL, "./config", "configfs", 0, NULL [pid 2437] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2436] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2435] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2437] <... unlinkat resumed>) = 0 [pid 2436] <... futex resumed>) = 0 [pid 2439] <... close resumed>) = 0 [pid 2438] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2437] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2436] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2439] write(1, "executing program\n", 18 [pid 2438] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2437] <... futex resumed>) = 1 [pid 2436] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2435] <... futex resumed>) = 0 [pid 2437] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2436] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2435] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2439] <... write resumed>) = 18 executing program [pid 2438] <... futex resumed>) = 0 [pid 2437] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2436] <... futex resumed>) = 0 [pid 2435] <... futex resumed>) = 0 [pid 2437] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2436] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2439] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2438] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2437] <... unlinkat resumed>) = 0 [pid 2435] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2439] <... futex resumed>) = 0 [pid 2438] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2437] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2435] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ci2-android-5-15/strace-static-x86_64: Process 2440 attached [pid 2439] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2438] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2437] <... futex resumed>) = 0 [pid 2435] exit_group(0 [pid 2440] set_robust_list(0x5555810c5760, 24 [pid 2437] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2440] <... set_robust_list resumed>) = 0 [pid 2440] rt_sigprocmask(SIG_SETMASK, [] [pid 2437] <... futex resumed>) = ? [pid 2439] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2435] <... exit_group resumed>) = ? [pid 2440] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2439] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2438] <... futex resumed>) = 1 [pid 2437] +++ exited with 0 +++ [pid 2436] <... futex resumed>) = 0 [pid 2440] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2436] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2440] <... prctl resumed>) = 0 [pid 2436] <... futex resumed>) = 0 [pid 2440] setpgid(0, 0 [pid 2436] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2440] <... setpgid resumed>) = 0 [pid 2435] +++ exited with 0 +++ [pid 2440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2439] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2438] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2435, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2439] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2438] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2440] <... openat resumed>) = 3 [pid 2439] <... mmap resumed>) = 0x7f85c0c15000 [pid 2438] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 2440] write(3, "1000", 4 [pid 2439] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2438] <... futex resumed>) = 1 [pid 2436] <... futex resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2440] <... write resumed>) = 4 [pid 2439] <... mprotect resumed>) = 0 [pid 2438] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2436] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2440] close(3 [pid 2436] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2440] <... close resumed>) = 0 [pid 2436] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2440] write(1, "executing program\n", 18 [pid 2439] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2441 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2440] <... write resumed>) = 18 [pid 2439] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2438] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 2440] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2439] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2442 executing program [pid 2440] <... futex resumed>) = 0 [pid 2438] <... mkdirat resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 2440] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2439] <... clone3 resumed> => {parent_tid=[2443]}, 88) = 2443 [pid 2438] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 2443 attached ci2-android-5-15/strace-static-x86_64: Process 2442 attached [pid 2440] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2440] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2439] rt_sigprocmask(SIG_SETMASK, [] [pid 2438] <... futex resumed>) = 1 [pid 2436] <... futex resumed>) = 0 [pid 2440] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2436] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2440] <... mmap resumed>) = 0x7f85c0c15000 [pid 2436] <... futex resumed>) = 0 [pid 2443] set_robust_list(0x7f85c0c359a0, 24 [pid 2442] set_robust_list(0x5555810c5760, 24 [pid 2440] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2439] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2438] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2436] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2440] <... mprotect resumed>) = 0 [pid 2440] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2439] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2438] <... symlinkat resumed>) = 0 [pid 2440] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2439] <... futex resumed>) = 0 [pid 2438] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2443] <... set_robust_list resumed>) = 0 [pid 2442] <... set_robust_list resumed>) = 0 [pid 2439] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2438] <... futex resumed>) = 1 [pid 2436] <... futex resumed>) = 0 [pid 2440] <... clone3 resumed> => {parent_tid=[2444]}, 88) = 2444 [pid 2438] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2436] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2440] rt_sigprocmask(SIG_SETMASK, [] [pid 2438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2436] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2441 attached [pid 2442] rt_sigprocmask(SIG_SETMASK, [] [pid 2440] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2438] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2436] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2442] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2441] set_robust_list(0x5555810c5760, 24 [pid 2440] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2438] <... unlinkat resumed>) = 0 [pid 2441] <... set_robust_list resumed>) = 0 [pid 2440] <... futex resumed>) = 0 [pid 2442] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2441] rt_sigprocmask(SIG_SETMASK, [] [pid 2440] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2438] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2443] rt_sigprocmask(SIG_SETMASK, [] [pid 2441] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2442] <... prctl resumed>) = 0 [pid 2438] <... futex resumed>) = 1 [pid 2436] <... futex resumed>) = 0 [pid 2443] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2442] setpgid(0, 0 [pid 2441] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2438] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2436] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2442] <... setpgid resumed>) = 0 [pid 2441] <... prctl resumed>) = 0 [pid 2438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2436] <... futex resumed>) = 0 [pid 2441] setpgid(0, 0 [pid 2438] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2436] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2442] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2441] <... setpgid resumed>) = 0 [pid 2438] <... unlinkat resumed>) = 0 [pid 2441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2438] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2442] <... openat resumed>) = 3 [pid 2441] <... openat resumed>) = 3 [pid 2438] <... futex resumed>) = 1 [pid 2436] <... futex resumed>) = 0 [pid 2443] mkdirat(AT_FDCWD, "./config", 0777 [pid 2442] write(3, "1000", 4 [pid 2441] write(3, "1000", 4 [pid 2438] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2436] exit_group(0 [pid 2442] <... write resumed>) = 4 [pid 2441] <... write resumed>) = 4 [pid 2438] <... futex resumed>) = ? [pid 2436] <... exit_group resumed>) = ? [pid 2443] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2442] close(3 [pid 2441] close(3 [pid 2438] +++ exited with 0 +++ [pid 2436] +++ exited with 0 +++ [pid 2441] <... close resumed>) = 0 [pid 2442] <... close resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2436, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2441] write(1, "executing program\n", 18 [pid 2442] write(1, "executing program\n", 18 [pid 2441] <... write resumed>) = 18 executing program executing program [pid 2442] <... write resumed>) = 18 [pid 2441] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2442] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2442] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2442] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2442] <... rt_sigaction resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 2444 attached [pid 2441] <... futex resumed>) = 0 [pid 2444] set_robust_list(0x7f85c0c359a0, 24 [pid 2441] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2444] <... set_robust_list resumed>) = 0 [pid 2441] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2444] rt_sigprocmask(SIG_SETMASK, [] [pid 2441] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2444] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2442] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2441] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2444] mkdirat(AT_FDCWD, "./config", 0777 [pid 2442] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2441] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2445 [pid 2444] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2443] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2442] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2441] <... mmap resumed>) = 0x7f85c0c15000 [pid 2444] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2443] <... futex resumed>) = 1 [pid 2442] <... mmap resumed>) = 0x7f85c0c15000 [pid 2441] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2439] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 2444] <... futex resumed>) = 1 [pid 2443] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2442] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2441] <... mprotect resumed>) = 0 [pid 2440] <... futex resumed>) = 0 [pid 2439] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 2445 attached [pid 2444] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2443] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2442] <... mprotect resumed>) = 0 [pid 2441] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2440] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2439] <... futex resumed>) = 0 [pid 2444] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2443] mount(NULL, "./config", "configfs", 0, NULL [pid 2442] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2441] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2440] <... futex resumed>) = 0 [pid 2439] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2444] mount(NULL, "./config", "configfs", 0, NULL [pid 2443] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2442] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2441] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2440] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2445] set_robust_list(0x5555810c5760, 24 [pid 2444] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2443] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2442] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2444] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2441] <... clone3 resumed> => {parent_tid=[2446]}, 88) = 2446 [pid 2444] <... futex resumed>) = 1 [pid 2443] <... futex resumed>) = 1 [pid 2441] rt_sigprocmask(SIG_SETMASK, [] [pid 2440] <... futex resumed>) = 0 [pid 2439] <... futex resumed>) = 0 [pid 2444] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2443] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2442] <... clone3 resumed> => {parent_tid=[2447]}, 88) = 2447 [pid 2441] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2440] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2439] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2445] <... set_robust_list resumed>) = 0 [pid 2444] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2443] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2442] rt_sigprocmask(SIG_SETMASK, [] [pid 2441] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2440] <... futex resumed>) = 0 [pid 2439] <... futex resumed>) = 0 [pid 2445] rt_sigprocmask(SIG_SETMASK, [] [pid 2444] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2443] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2442] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2441] <... futex resumed>) = 0 [pid 2440] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2439] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2445] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2444] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2443] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2442] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2441] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2445] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2444] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2443] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2442] <... futex resumed>) = 0 [pid 2444] <... futex resumed>) = 1 [pid 2443] <... futex resumed>) = 1 [pid 2440] <... futex resumed>) = 0 [pid 2439] <... futex resumed>) = 0 [pid 2442] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2445] <... prctl resumed>) = 0 [pid 2444] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2443] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2440] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2439] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2445] setpgid(0, 0 [pid 2444] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2443] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2440] <... futex resumed>) = 0 [pid 2439] <... futex resumed>) = 0 [pid 2445] <... setpgid resumed>) = 0 [pid 2444] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2443] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2440] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2444] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2443] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2439] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2444] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2443] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2439] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2444] <... futex resumed>) = 1 [pid 2443] <... futex resumed>) = 0 [pid 2440] <... futex resumed>) = 0 [pid 2439] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2447 attached [pid 2445] <... openat resumed>) = 3 [pid 2444] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2443] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2440] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2439] <... futex resumed>) = 0 [pid 2444] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2440] <... futex resumed>) = 0 [pid 2439] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2444] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2440] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2443] <... mkdirat resumed>) = 0 [pid 2447] set_robust_list(0x7f85c0c359a0, 24 [pid 2445] write(3, "1000", 4 [pid 2444] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2443] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2447] <... set_robust_list resumed>) = 0 [pid 2445] <... write resumed>) = 4 [pid 2444] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2443] <... futex resumed>) = 1 [pid 2439] <... futex resumed>) = 0 [pid 2447] rt_sigprocmask(SIG_SETMASK, [] [pid 2445] close(3 [pid 2444] <... futex resumed>) = 1 [pid 2443] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2440] <... futex resumed>) = 0 [pid 2439] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2446 attached [pid 2447] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2445] <... close resumed>) = 0 [pid 2444] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2443] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2440] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2439] <... futex resumed>) = 0 [pid 2447] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 2445] write(1, "executing program\n", 18 [pid 2444] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2443] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2440] <... futex resumed>) = 0 [pid 2439] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2447] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2446] set_robust_list(0x7f85c0c359a0, 24 [pid 2445] <... write resumed>) = 18 [pid 2444] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2443] <... symlinkat resumed>) = 0 [pid 2440] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2447] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2446] <... set_robust_list resumed>) = 0 [pid 2445] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2444] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 2443] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2447] <... futex resumed>) = 1 [pid 2446] rt_sigprocmask(SIG_SETMASK, [] [pid 2445] <... futex resumed>) = 0 [pid 2444] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2443] <... futex resumed>) = 1 [pid 2442] <... futex resumed>) = 0 [pid 2439] <... futex resumed>) = 0 [pid 2447] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2446] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2445] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2444] <... futex resumed>) = 1 [pid 2443] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2442] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2440] <... futex resumed>) = 0 [pid 2439] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2447] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2446] mkdirat(AT_FDCWD, "./config", 0777 [pid 2445] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2444] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2443] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2442] <... futex resumed>) = 0 [pid 2440] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2439] <... futex resumed>) = 0 [pid 2447] mount(NULL, "./config", "configfs", 0, NULL [pid 2445] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2444] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2443] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2442] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2440] <... futex resumed>) = 0 [pid 2439] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2447] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2446] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2445] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2444] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2443] <... unlinkat resumed>) = 0 [pid 2447] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2445] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2443] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2440] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2447] <... futex resumed>) = 1 [pid 2446] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2445] <... mmap resumed>) = 0x7f85c0c15000 [pid 2444] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2443] <... futex resumed>) = 1 [pid 2442] <... futex resumed>) = 0 [pid 2439] <... futex resumed>) = 0 [pid 2447] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2446] <... futex resumed>) = 1 [pid 2445] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2444] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2443] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2442] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2441] <... futex resumed>) = 0 [pid 2439] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2447] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2446] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2445] <... mprotect resumed>) = 0 [pid 2444] <... futex resumed>) = 1 [pid 2443] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2442] <... futex resumed>) = 0 [pid 2441] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2440] <... futex resumed>) = 0 [pid 2439] <... futex resumed>) = 0 [pid 2447] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2446] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2445] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2444] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2443] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2442] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2441] <... futex resumed>) = 0 [pid 2440] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2439] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2447] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2446] mount(NULL, "./config", "configfs", 0, NULL [pid 2445] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2444] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2443] <... unlinkat resumed>) = 0 [pid 2441] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2440] <... futex resumed>) = 0 [pid 2447] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2446] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2445] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2444] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2443] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2440] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2447] <... futex resumed>) = 1 [pid 2446] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2444] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2443] <... futex resumed>) = 1 [pid 2442] <... futex resumed>) = 0 [pid 2439] <... futex resumed>) = 0 [pid 2447] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2446] <... futex resumed>) = 1 [pid 2445] <... clone3 resumed> => {parent_tid=[2448]}, 88) = 2448 [pid 2444] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2443] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2442] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2441] <... futex resumed>) = 0 [pid 2439] exit_group(0 [pid 2447] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2446] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2445] rt_sigprocmask(SIG_SETMASK, [] [pid 2444] <... futex resumed>) = 1 [pid 2442] <... futex resumed>) = 0 [pid 2443] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 2441] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2447] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2446] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2445] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2444] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2443] +++ exited with 0 +++ [pid 2442] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2440] <... futex resumed>) = 0 [pid 2439] <... exit_group resumed>) = ? [pid 2441] <... futex resumed>) = 0 [pid 2447] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2446] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2445] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2440] exit_group(0 [pid 2446] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2444] <... futex resumed>) = ? [pid 2440] <... exit_group resumed>) = ? [pid 2447] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2446] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2445] <... futex resumed>) = 0 [pid 2444] +++ exited with 0 +++ [pid 2441] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2440] +++ exited with 0 +++ [pid 2439] +++ exited with 0 +++ [pid 2447] <... futex resumed>) = 1 [pid 2446] <... futex resumed>) = 0 [pid 2445] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2442] <... futex resumed>) = 0 [pid 2441] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2440, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2447] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2446] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2442] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2441] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2439, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2447] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2446] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2442] <... futex resumed>) = 0 [pid 2441] <... futex resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2447] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2446] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2442] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2441] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2446] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2447] <... mkdirat resumed>) = 0 [pid 2446] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2441] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2446] <... futex resumed>) = 0 [pid 2447] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2446] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2441] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2447] <... futex resumed>) = 1 [pid 2446] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2442] <... futex resumed>) = 0 [pid 2441] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2447] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2446] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2442] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2441] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 2448 attached [pid 2447] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2446] <... futex resumed>) = 0 [pid 2442] <... futex resumed>) = 0 [pid 2441] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2448] set_robust_list(0x7f85c0c359a0, 24 [pid 2446] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2448] <... set_robust_list resumed>) = 0 [pid 2447] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2442] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2441] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2448] rt_sigprocmask(SIG_SETMASK, [] [pid 2447] <... symlinkat resumed>) = 0 [pid 2448] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2447] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2446] <... futex resumed>) = 0 [pid 2441] <... futex resumed>) = 1 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2449 [pid 2448] mkdirat(AT_FDCWD, "./config", 0777 [pid 2447] <... futex resumed>) = 1 [pid 2446] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2442] <... futex resumed>) = 0 [pid 2441] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2448] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2447] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2446] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 2442] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 2448] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2447] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2446] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2442] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2448] <... futex resumed>) = 1 [pid 2447] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2446] <... futex resumed>) = 1 [pid 2445] <... futex resumed>) = 0 [pid 2442] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2441] <... futex resumed>) = 0 [pid 2448] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2447] <... unlinkat resumed>) = 0 [pid 2446] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2445] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2441] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2448] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2447] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2446] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2445] <... futex resumed>) = 0 [pid 2441] <... futex resumed>) = 0 [pid 2448] mount(NULL, "./config", "configfs", 0, NULL [pid 2447] <... futex resumed>) = 1 [pid 2446] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2445] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2442] <... futex resumed>) = 0 [pid 2441] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2448] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2447] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2446] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2442] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2448] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2447] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2446] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2442] <... futex resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2449 attached [pid 2448] <... futex resumed>) = 1 [pid 2447] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2446] <... futex resumed>) = 1 [pid 2445] <... futex resumed>) = 0 [pid 2442] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2441] <... futex resumed>) = 0 [pid 2449] set_robust_list(0x5555810c5760, 24 [pid 2448] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2446] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2449] <... set_robust_list resumed>) = 0 [pid 2448] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2447] <... unlinkat resumed>) = 0 [pid 2446] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2445] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2441] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2449] rt_sigprocmask(SIG_SETMASK, [] [pid 2448] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2447] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2446] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2445] <... futex resumed>) = 0 [pid 2441] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2449] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2448] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2447] <... futex resumed>) = 1 [pid 2446] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2445] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2442] <... futex resumed>) = 0 [pid 2441] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2449] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2448] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2447] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2446] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2445] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2442] exit_group(0 [pid 2441] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2449] <... prctl resumed>) = 0 [pid 2448] <... futex resumed>) = 0 [pid 2447] <... futex resumed>) = ? [pid 2446] <... futex resumed>) = 0 [pid 2445] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2442] <... exit_group resumed>) = ? [pid 2441] exit_group(0 [pid 2449] setpgid(0, 0 [pid 2448] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2449] <... setpgid resumed>) = 0 [pid 2448] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2448] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2447] +++ exited with 0 +++ [pid 2446] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2445] <... futex resumed>) = 0 [pid 2449] <... openat resumed>) = 3 [pid 2448] <... futex resumed>) = 0 [pid 2449] write(3, "1000", 4 [pid 2448] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2449] <... write resumed>) = 4 [pid 2442] +++ exited with 0 +++ [pid 2449] close(3 [pid 2446] <... futex resumed>) = ? [pid 2445] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2441] <... exit_group resumed>) = ? [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2450 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2442, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2449] <... close resumed>) = 0 [pid 2446] +++ exited with 0 +++ [pid 2445] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2449] write(1, "executing program\n", 18 [pid 304] <... restart_syscall resumed>) = 0 [pid 2449] <... write resumed>) = 18 [pid 2449] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2445] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2441] +++ exited with 0 +++ executing program [pid 2449] <... futex resumed>) = 0 [pid 2448] <... futex resumed>) = 0 [pid 2445] <... futex resumed>) = 1 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2449] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2448] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2445] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2441, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2449] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2448] <... mkdirat resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 2450 attached [pid 2449] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2448] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2450] set_robust_list(0x5555810c5760, 24 [pid 2449] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2448] <... futex resumed>) = 1 [pid 2445] <... futex resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2451 [pid 2450] <... set_robust_list resumed>) = 0 [pid 2449] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2448] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2445] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 2451 attached [pid 2450] rt_sigprocmask(SIG_SETMASK, [] [pid 2449] <... mmap resumed>) = 0x7f85c0c15000 [pid 2448] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2445] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2450] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2449] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2448] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2445] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2451] set_robust_list(0x5555810c5760, 24 [pid 2450] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2449] <... mprotect resumed>) = 0 [pid 2450] <... prctl resumed>) = 0 [pid 2449] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2448] <... symlinkat resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2450] setpgid(0, 0 [pid 2449] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2448] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2450] <... setpgid resumed>) = 0 [pid 2449] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2448] <... futex resumed>) = 1 [pid 2445] <... futex resumed>) = 0 [pid 2450] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2449] <... clone3 resumed> => {parent_tid=[2452]}, 88) = 2452 [pid 2448] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2445] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2450] write(3, "1000", 4 [pid 2449] rt_sigprocmask(SIG_SETMASK, [] [pid 2448] <... unlinkat resumed>) = 0 [pid 2445] <... futex resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2453 ci2-android-5-15/strace-static-x86_64: Process 2453 attached [pid 2451] <... set_robust_list resumed>) = 0 [pid 2450] <... write resumed>) = 4 [pid 2449] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2448] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2445] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 2450] close(3 [pid 2449] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2448] <... futex resumed>) = 0 [pid 2445] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2451] rt_sigprocmask(SIG_SETMASK, [] [pid 2450] <... close resumed>) = 0 [pid 2449] <... futex resumed>) = 0 [pid 2448] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2445] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2450] write(1, "executing program\n", 18 [pid 2449] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2448] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2445] <... futex resumed>) = 0 executing program [pid 2450] <... write resumed>) = 18 [pid 2448] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2445] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2450] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2448] <... unlinkat resumed>) = 0 [pid 2450] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2448] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2450] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2448] <... futex resumed>) = 1 [pid 2445] <... futex resumed>) = 0 [pid 2450] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2448] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2450] <... mmap resumed>) = 0x7f85c0c15000 [pid 2445] exit_group(0 [pid 2451] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2450] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2448] <... futex resumed>) = ? [pid 2445] <... exit_group resumed>) = ? [pid 2451] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2450] <... mprotect resumed>) = 0 [pid 2450] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2448] +++ exited with 0 +++ [pid 2450] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2450] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[2454]}, 88) = 2454 [pid 2450] rt_sigprocmask(SIG_SETMASK, [] [pid 2451] <... prctl resumed>) = 0 [pid 2450] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2445] +++ exited with 0 +++ [pid 2450] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2451] setpgid(0, 0 [pid 2450] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2445, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 2452 attached [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2451] <... setpgid resumed>) = 0 [pid 2452] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2452] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2452] mkdirat(AT_FDCWD, "./config", 0777 [pid 2453] set_robust_list(0x5555810c5760, 24 [pid 2451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2452] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2452] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2449] <... futex resumed>) = 0 [pid 2453] <... set_robust_list resumed>) = 0 [pid 2452] mount(NULL, "./config", "configfs", 0, NULL [pid 2451] <... openat resumed>) = 3 [pid 2449] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2453] rt_sigprocmask(SIG_SETMASK, [] [pid 2452] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2451] write(3, "1000", 4 [pid 2449] <... futex resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 2452] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2449] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2452] <... futex resumed>) = 0 [pid 2451] <... write resumed>) = 4 [pid 2449] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2452] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2451] close(3 [pid 2449] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2452] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2449] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2452] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2451] <... close resumed>) = 0 [pid 2449] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2453] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2452] <... futex resumed>) = 0 [pid 2449] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2452] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2451] write(1, "executing program\n", 18 [pid 2449] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2452] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2449] <... futex resumed>) = 0 [pid 2452] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2449] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2452] <... futex resumed>) = 0 [pid 2449] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 2453] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2452] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2451] <... write resumed>) = 18 [pid 2449] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2455 ci2-android-5-15/strace-static-x86_64: Process 2455 attached [pid 2453] <... prctl resumed>) = 0 [pid 2452] <... mkdirat resumed>) = 0 [pid 2451] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2449] <... futex resumed>) = 0 [pid 2453] setpgid(0, 0 [pid 2452] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2451] <... futex resumed>) = 0 [pid 2449] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 2454 attached [pid 2453] <... setpgid resumed>) = 0 [pid 2452] <... futex resumed>) = 0 [pid 2451] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2455] set_robust_list(0x5555810c5760, 24 [pid 2449] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2452] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2451] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2449] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2453] <... openat resumed>) = 3 [pid 2452] <... symlinkat resumed>) = 0 [pid 2451] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2449] <... futex resumed>) = 0 [pid 2453] write(3, "1000", 4 [pid 2452] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2451] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2449] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2453] <... write resumed>) = 4 [pid 2452] <... futex resumed>) = 0 [pid 2451] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2449] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2453] close(3 [pid 2452] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2451] <... mmap resumed>) = 0x7f85c0c15000 [pid 2449] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2455] <... set_robust_list resumed>) = 0 [pid 2454] set_robust_list(0x7f85c0c359a0, 24 [pid 2453] <... close resumed>) = 0 [pid 2452] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2451] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2449] <... futex resumed>) = 0 [pid 2455] rt_sigprocmask(SIG_SETMASK, [] [pid 2454] <... set_robust_list resumed>) = 0 [pid 2453] write(1, "executing program\n", 18 executing program [pid 2452] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2451] <... mprotect resumed>) = 0 [pid 2449] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2455] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2454] rt_sigprocmask(SIG_SETMASK, [] [pid 2453] <... write resumed>) = 18 [pid 2452] <... unlinkat resumed>) = 0 [pid 2451] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2455] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2454] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2453] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2452] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2451] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2455] <... prctl resumed>) = 0 [pid 2454] mkdirat(AT_FDCWD, "./config", 0777 [pid 2453] <... futex resumed>) = 0 [pid 2452] <... futex resumed>) = 1 [pid 2451] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2449] <... futex resumed>) = 0 [pid 2455] setpgid(0, 0 [pid 2454] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2453] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2452] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2449] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2455] <... setpgid resumed>) = 0 [pid 2454] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2453] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2452] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2451] <... clone3 resumed> => {parent_tid=[2456]}, 88) = 2456 [pid 2449] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2456 attached [pid 2455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2454] <... futex resumed>) = 1 [pid 2453] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2452] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2451] rt_sigprocmask(SIG_SETMASK, [] [pid 2450] <... futex resumed>) = 0 [pid 2449] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2456] set_robust_list(0x7f85c0c359a0, 24 [pid 2455] <... openat resumed>) = 3 [pid 2454] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2453] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2452] <... unlinkat resumed>) = 0 [pid 2451] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2450] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2455] write(3, "1000", 4 [pid 2454] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2453] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2452] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2451] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2450] <... futex resumed>) = 0 [pid 2455] <... write resumed>) = 4 [pid 2454] mount(NULL, "./config", "configfs", 0, NULL [pid 2453] <... mmap resumed>) = 0x7f85c0c15000 [pid 2452] <... futex resumed>) = 1 [pid 2451] <... futex resumed>) = 0 [pid 2450] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2449] <... futex resumed>) = 0 [pid 2456] <... set_robust_list resumed>) = 0 [pid 2455] close(3 [pid 2454] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2453] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2452] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2451] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2449] exit_group(0 [pid 2455] <... close resumed>) = 0 [pid 2454] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2453] <... mprotect resumed>) = 0 [pid 2452] <... futex resumed>) = ? [pid 2449] <... exit_group resumed>) = ? [pid 2456] rt_sigprocmask(SIG_SETMASK, [] [pid 2455] write(1, "executing program\n", 18 [pid 2454] <... futex resumed>) = 1 executing program [pid 2453] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2452] +++ exited with 0 +++ [pid 2450] <... futex resumed>) = 0 [pid 2449] +++ exited with 0 +++ [pid 2455] <... write resumed>) = 18 [pid 2454] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2453] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2450] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2455] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2454] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2453] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2450] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2449, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2455] <... futex resumed>) = 0 [pid 2454] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2450] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2457 attached [pid 2456] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2455] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2454] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2455] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2454] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2455] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2454] <... futex resumed>) = 1 [pid 2453] <... clone3 resumed> => {parent_tid=[2457]}, 88) = 2457 [pid 2450] <... futex resumed>) = 0 [pid 2456] mkdirat(AT_FDCWD, "./config", 0777 [pid 2455] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2454] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2453] rt_sigprocmask(SIG_SETMASK, [] [pid 2450] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2456] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2455] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2454] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2453] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2450] <... futex resumed>) = 0 [pid 2456] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2455] <... mmap resumed>) = 0x7f85c0c15000 [pid 2454] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2453] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2450] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2456] <... futex resumed>) = 1 [pid 2455] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2454] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2453] <... futex resumed>) = 0 [pid 2451] <... futex resumed>) = 0 [pid 2456] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2455] <... mprotect resumed>) = 0 [pid 2454] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2453] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2451] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2455] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2454] <... futex resumed>) = 1 [pid 2451] <... futex resumed>) = 0 [pid 2450] <... futex resumed>) = 0 [pid 2456] mount(NULL, "./config", "configfs", 0, NULL [pid 2455] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2454] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2451] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2450] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2455] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2454] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2450] <... futex resumed>) = 0 [pid 2456] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2454] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2450] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2457] set_robust_list(0x7f85c0c359a0, 24 [pid 2456] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2455] <... clone3 resumed> => {parent_tid=[2458]}, 88) = 2458 [pid 2454] <... mkdirat resumed>) = 0 [pid 2457] <... set_robust_list resumed>) = 0 [pid 2456] <... futex resumed>) = 1 [pid 2455] rt_sigprocmask(SIG_SETMASK, [] [pid 2454] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2451] <... futex resumed>) = 0 [pid 2457] rt_sigprocmask(SIG_SETMASK, [] [pid 2456] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2455] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2454] <... futex resumed>) = 1 [pid 2451] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2450] <... futex resumed>) = 0 [pid 2457] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2455] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2454] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2451] <... futex resumed>) = 0 [pid 2450] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2457] mkdirat(AT_FDCWD, "./config", 0777 [pid 2456] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2455] <... futex resumed>) = 0 [pid 2454] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2451] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2450] <... futex resumed>) = 0 [pid 2457] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2456] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2455] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2454] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2450] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2457] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2456] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2454] <... symlinkat resumed>) = 0 [pid 2456] <... futex resumed>) = 1 [pid 2454] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2453] <... futex resumed>) = 0 [pid 2451] <... futex resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 2457] <... futex resumed>) = 1 [pid 2456] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2454] <... futex resumed>) = 1 [pid 2453] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2451] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2450] <... futex resumed>) = 0 [pid 2457] mount(NULL, "./config", "configfs", 0, NULL [pid 2456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2454] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2453] <... futex resumed>) = 0 [pid 2451] <... futex resumed>) = 0 [pid 2450] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2457] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2456] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2454] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2453] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2451] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2450] <... futex resumed>) = 0 [pid 2454] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2450] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2457] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2456] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2454] <... unlinkat resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2457] <... futex resumed>) = 1 [pid 2456] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2454] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2453] <... futex resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2457] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2456] <... futex resumed>) = 1 [pid 2454] <... futex resumed>) = 1 [pid 2453] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2451] <... futex resumed>) = 0 [pid 2450] <... futex resumed>) = 0 [pid 2454] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2450] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2454] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2450] <... futex resumed>) = 0 [pid 2454] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2450] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2457] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2456] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2454] <... unlinkat resumed>) = 0 [pid 2453] <... futex resumed>) = 0 [pid 2451] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2457] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2454] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2450] <... futex resumed>) = 0 [pid 2456] <... mkdirat resumed>) = 0 [pid 2454] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2453] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2451] <... futex resumed>) = 0 [pid 2450] exit_group(0 [pid 2457] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2456] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2454] <... futex resumed>) = ? [pid 2451] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2450] <... exit_group resumed>) = ? [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2459 ci2-android-5-15/strace-static-x86_64: Process 2459 attached [pid 2457] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2456] <... futex resumed>) = 0 [pid 2454] +++ exited with 0 +++ [pid 2451] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2450] +++ exited with 0 +++ [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 2457] <... futex resumed>) = 1 [pid 2456] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2453] <... futex resumed>) = 0 [pid 2451] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2457] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2453] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2451] <... futex resumed>) = 0 [pid 2457] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2456] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2453] <... futex resumed>) = 0 [pid 2451] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2450, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2457] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2456] <... symlinkat resumed>) = 0 [pid 2453] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2457] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2456] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2457] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2456] <... futex resumed>) = 1 [pid 2451] <... futex resumed>) = 0 [pid 2457] <... futex resumed>) = 1 [pid 2456] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2453] <... futex resumed>) = 0 [pid 2451] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2457] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2453] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2451] <... futex resumed>) = 0 [pid 2457] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2456] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2453] <... futex resumed>) = 0 [pid 2451] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2457] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2456] <... unlinkat resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2458 attached [pid 2456] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2453] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2457] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2456] <... futex resumed>) = 1 [pid 2451] <... futex resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 2457] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2456] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2451] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2457] <... futex resumed>) = 1 [pid 2456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2453] <... futex resumed>) = 0 [pid 2451] <... futex resumed>) = 0 [pid 2457] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2456] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2453] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2451] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2459] set_robust_list(0x5555810c5760, 24 [pid 2457] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2458] set_robust_list(0x7f85c0c359a0, 24 [pid 2456] <... unlinkat resumed>) = 0 [pid 2457] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2453] <... futex resumed>) = 0 [pid 2459] <... set_robust_list resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2458] <... set_robust_list resumed>) = 0 [pid 2457] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2456] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2453] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2459] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2459] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2458] rt_sigprocmask(SIG_SETMASK, [] [pid 2457] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2456] <... futex resumed>) = 1 [pid 2453] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2451] <... futex resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2459] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2458] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2457] <... futex resumed>) = 0 [pid 2456] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2453] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2451] exit_group(0 [pid 2458] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 2458] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2453] <... futex resumed>) = 0 [pid 2451] <... exit_group resumed>) = ? [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2460 [pid 2456] <... futex resumed>) = ? [pid 2459] <... prctl resumed>) = 0 [pid 2458] <... futex resumed>) = 1 [pid 2457] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2455] <... futex resumed>) = 0 [pid 2453] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2458] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2455] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2458] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2455] <... futex resumed>) = 0 [pid 2458] mount(NULL, "./config", "configfs", 0, NULL [pid 2455] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2458] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2458] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2456] +++ exited with 0 +++ [pid 2455] <... futex resumed>) = 0 [pid 2451] +++ exited with 0 +++ [pid 2459] setpgid(0, 0 [pid 2458] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2457] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2455] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2451, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 2459] <... setpgid resumed>) = 0 [pid 2458] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2457] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2455] <... futex resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2459] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2458] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2457] <... futex resumed>) = 1 [pid 2455] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2453] <... futex resumed>) = 0 [pid 2458] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2457] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2453] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2459] <... openat resumed>) = 3 [pid 2458] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2457] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2453] <... futex resumed>) = 0 [pid 2459] write(3, "1000", 4 [pid 2458] <... futex resumed>) = 1 [pid 2457] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2455] <... futex resumed>) = 0 [pid 2453] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2460 attached [pid 2459] <... write resumed>) = 4 [pid 2458] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2457] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2455] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2460] set_robust_list(0x5555810c5760, 24 [pid 2459] close(3 [pid 2458] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2457] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2455] <... futex resumed>) = 0 [pid 2460] <... set_robust_list resumed>) = 0 [pid 2459] <... close resumed>) = 0 [pid 2458] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2457] <... futex resumed>) = 1 [pid 2455] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2453] <... futex resumed>) = 0 [pid 2460] rt_sigprocmask(SIG_SETMASK, [] [pid 2459] write(1, "executing program\n", 18 [pid 2458] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2457] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL executing program [pid 2453] exit_group(0 [pid 2460] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2459] <... write resumed>) = 18 [pid 2458] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2457] <... futex resumed>) = ? [pid 2453] <... exit_group resumed>) = ? [pid 2460] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2459] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2458] <... futex resumed>) = 1 [pid 2457] +++ exited with 0 +++ [pid 2455] <... futex resumed>) = 0 [pid 2460] <... prctl resumed>) = 0 [pid 2459] <... futex resumed>) = 0 [pid 2458] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2455] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2453] +++ exited with 0 +++ [pid 2460] setpgid(0, 0 [pid 2458] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2455] <... futex resumed>) = 0 [pid 2460] <... setpgid resumed>) = 0 [pid 2458] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2455] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2453, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2459] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2459] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2459] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2458] <... mkdirat resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2459] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2458] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2460] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2459] <... mprotect resumed>) = 0 [pid 2459] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2458] <... futex resumed>) = 1 [pid 2455] <... futex resumed>) = 0 [pid 2459] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2458] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2455] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2459] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2458] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2455] <... futex resumed>) = 0 [pid 2460] <... openat resumed>) = 3 [pid 2458] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2455] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2459] <... clone3 resumed> => {parent_tid=[2461]}, 88) = 2461 [pid 2459] rt_sigprocmask(SIG_SETMASK, [] [pid 2458] <... symlinkat resumed>) = 0 [pid 2460] write(3, "1000", 4 [pid 2459] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2458] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2459] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2460] <... write resumed>) = 4 [pid 2459] <... futex resumed>) = 0 [pid 2458] <... futex resumed>) = 1 [pid 2455] <... futex resumed>) = 0 [pid 2460] close(3 [pid 2459] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2458] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2455] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2458] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ci2-android-5-15/strace-static-x86_64: Process 2461 attached [pid 2460] <... close resumed>) = 0 [pid 2458] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2455] <... futex resumed>) = 0 [pid 2461] set_robust_list(0x7f85c0c359a0, 24 [pid 2458] <... unlinkat resumed>) = 0 [pid 2460] write(1, "executing program\n", 18 [pid 2455] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} executing program [pid 2458] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2460] <... write resumed>) = 18 [pid 2458] <... futex resumed>) = 0 [pid 2455] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2458] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2460] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2458] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2455] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2460] <... futex resumed>) = 0 [pid 2461] <... set_robust_list resumed>) = 0 [pid 2460] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2458] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2455] <... futex resumed>) = 0 [pid 2460] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2461] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2458] <... unlinkat resumed>) = 0 [pid 2455] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2460] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2458] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2455] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2460] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2458] <... futex resumed>) = 0 [pid 2460] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2458] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2455] exit_group(0 [pid 2460] <... mmap resumed>) = 0x7f85c0c15000 [pid 2461] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 2458] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 2455] <... exit_group resumed>) = ? [pid 2461] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2460] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2458] +++ exited with 0 +++ [pid 2459] <... futex resumed>) = 0 [pid 2459] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2459] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2461] <... futex resumed>) = 1 [pid 2461] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 2455] +++ exited with 0 +++ [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2455, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2460] <... mprotect resumed>) = 0 [pid 2461] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2460] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2459] <... futex resumed>) = 0 [pid 2460] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2459] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2459] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2461] <... futex resumed>) = 1 [pid 2461] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2460] <... clone3 resumed> => {parent_tid=[2462]}, 88) = 2462 [pid 2461] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2460] rt_sigprocmask(SIG_SETMASK, [] [pid 2461] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2460] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2459] <... futex resumed>) = 0 [pid 2459] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2460] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2459] <... futex resumed>) = 0 [pid 2460] <... futex resumed>) = 0 [pid 2459] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2460] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2461] <... futex resumed>) = 1 [pid 2461] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 2461] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2459] <... futex resumed>) = 0 [pid 2459] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2459] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... restart_syscall resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 2462 attached ci2-android-5-15/strace-static-x86_64: Process 2463 attached [pid 2461] <... futex resumed>) = 1 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2463 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2463] set_robust_list(0x5555810c5760, 24) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2464 [pid 2463] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2463] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2463] setpgid(0, 0) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2465 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 2463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2463] <... openat resumed>) = 3 [pid 2463] write(3, "1000", 4) = 4 [pid 2463] close(3) = 0 [pid 2463] write(1, "executing program\n", 18) = 18 executing program [pid 2463] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2463] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2463] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2463] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2463] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2463] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2462] set_robust_list(0x7f85c0c359a0, 24 [pid 2463] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0}ci2-android-5-15/strace-static-x86_64: Process 2466 attached [pid 2462] <... set_robust_list resumed>) = 0 [pid 2461] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2463] <... clone3 resumed> => {parent_tid=[2466]}, 88) = 2466 [pid 2463] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2463] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2463] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2465 attached [pid 2465] set_robust_list(0x5555810c5760, 24) = 0 [pid 2465] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2465] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2465] setpgid(0, 0) = 0 [pid 2461] <... mkdirat resumed>) = 0 [pid 2465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2462] rt_sigprocmask(SIG_SETMASK, [] [pid 2465] <... openat resumed>) = 3 [pid 2465] write(3, "1000", 4) = 4 [pid 2465] close(3) = 0 [pid 2465] write(1, "executing program\n", 18) = 18 executing program [pid 2465] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2465] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2465] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2465] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2465] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2465] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2465] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2462] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2461] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2465] <... clone3 resumed> => {parent_tid=[2467]}, 88) = 2467 [pid 2465] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2465] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2465] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2467 attached [pid 2467] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2467] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2467] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 2467] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2465] <... futex resumed>) = 0 [pid 2465] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2465] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2467] <... futex resumed>) = 1 [pid 2467] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 2467] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2465] <... futex resumed>) = 0 [pid 2465] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2465] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2467] <... futex resumed>) = 1 [pid 2467] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2462] mkdirat(AT_FDCWD, "./config", 0777 [pid 2461] <... futex resumed>) = 1 [pid 2459] <... futex resumed>) = 0 [pid 2459] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2459] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2467] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2467] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2465] <... futex resumed>) = 0 [pid 2465] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2465] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2467] <... futex resumed>) = 1 [pid 2467] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 2467] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2465] <... futex resumed>) = 0 [pid 2465] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2465] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2467] <... futex resumed>) = 1 [pid 2467] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 2467] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2465] <... futex resumed>) = 0 [pid 2465] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2465] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2467] <... futex resumed>) = 1 [pid 2467] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 2467] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2465] <... futex resumed>) = 0 [pid 2465] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2465] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2467] <... futex resumed>) = 1 [pid 2467] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 2467] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2465] <... futex resumed>) = 0 [pid 2465] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2465] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2467] <... futex resumed>) = 1 [pid 2467] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 2462] <... mkdirat resumed>) = -1 EEXIST (File exists) ci2-android-5-15/strace-static-x86_64: Process 2464 attached [pid 2466] set_robust_list(0x7f85c0c359a0, 24 [pid 2462] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2461] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2466] <... set_robust_list resumed>) = 0 [pid 2462] <... futex resumed>) = 1 [pid 2460] <... futex resumed>) = 0 [pid 2460] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2462] mount(NULL, "./config", "configfs", 0, NULL [pid 2466] rt_sigprocmask(SIG_SETMASK, [] [pid 2464] set_robust_list(0x5555810c5760, 24 [pid 2461] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2460] <... futex resumed>) = 0 [pid 2466] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2464] <... set_robust_list resumed>) = 0 [pid 2462] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2461] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2460] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2466] mkdirat(AT_FDCWD, "./config", 0777 [pid 2462] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2461] <... futex resumed>) = 1 [pid 2460] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2459] <... futex resumed>) = 0 [pid 2459] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2460] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2459] <... futex resumed>) = 0 [pid 2462] <... futex resumed>) = 0 [pid 2466] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2461] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2460] <... futex resumed>) = 0 [pid 2459] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2466] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2462] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2461] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2460] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2467] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2466] <... futex resumed>) = 1 [pid 2464] rt_sigprocmask(SIG_SETMASK, [] [pid 2463] <... futex resumed>) = 0 [pid 2462] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2461] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2466] mount(NULL, "./config", "configfs", 0, NULL [pid 2464] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2463] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2462] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2461] <... futex resumed>) = 1 [pid 2467] <... futex resumed>) = 1 [pid 2465] <... futex resumed>) = 0 [pid 2459] <... futex resumed>) = 0 [pid 2466] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2465] exit_group(0 [pid 2463] <... futex resumed>) = 0 [pid 2462] <... futex resumed>) = 1 [pid 2461] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2460] <... futex resumed>) = 0 [pid 2459] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2466] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2465] <... exit_group resumed>) = ? [pid 2464] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2463] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2462] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2461] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2460] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2459] <... futex resumed>) = 0 [pid 2466] <... futex resumed>) = 0 [pid 2464] <... prctl resumed>) = 0 [pid 2463] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2462] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2461] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2460] <... futex resumed>) = 0 [pid 2459] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2466] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2464] setpgid(0, 0 [pid 2463] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2462] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2461] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2460] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2466] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2463] <... futex resumed>) = 0 [pid 2462] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2461] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2466] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2464] <... setpgid resumed>) = 0 [pid 2463] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2462] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2461] <... futex resumed>) = 1 [pid 2459] <... futex resumed>) = 0 [pid 2466] <... futex resumed>) = 0 [pid 2463] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2462] <... futex resumed>) = 1 [pid 2461] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2460] <... futex resumed>) = 0 [pid 2459] exit_group(0 [pid 2467] +++ exited with 0 +++ [pid 2466] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2465] +++ exited with 0 +++ [pid 2464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2463] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2462] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2461] <... futex resumed>) = ? [pid 2460] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2459] <... exit_group resumed>) = ? [pid 2466] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2464] <... openat resumed>) = 3 [pid 2463] <... futex resumed>) = 0 [pid 2462] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2461] +++ exited with 0 +++ [pid 2460] <... futex resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2465, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2466] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2464] write(3, "1000", 4 [pid 2463] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2462] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2460] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2459] +++ exited with 0 +++ [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2466] <... futex resumed>) = 0 [pid 2463] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2462] <... mkdirat resumed>) = 0 [pid 2466] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2464] <... write resumed>) = 4 [pid 2463] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2462] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2459, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2466] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2464] close(3 [pid 2463] <... futex resumed>) = 0 [pid 2462] <... futex resumed>) = 1 [pid 2460] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2463] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2466] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2462] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2460] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2466] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2464] <... close resumed>) = 0 [pid 2466] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2464] write(1, "executing program\n", 18 [pid 2462] <... symlinkat resumed>) = 0 [pid 2460] <... futex resumed>) = 0 [pid 2466] <... futex resumed>) = 1 executing program [pid 2464] <... write resumed>) = 18 [pid 2463] <... futex resumed>) = 0 [pid 2462] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2460] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2466] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2464] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2463] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2462] <... futex resumed>) = 0 [pid 2460] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2466] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2464] <... futex resumed>) = 0 [pid 2462] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2460] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2466] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2464] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2463] <... futex resumed>) = 0 [pid 2462] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2460] <... futex resumed>) = 0 [pid 2466] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 2464] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2463] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2462] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2460] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2466] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2464] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2463] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2466] <... futex resumed>) = 0 [pid 2464] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2463] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2462] <... unlinkat resumed>) = 0 [pid 2466] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2464] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2463] <... futex resumed>) = 0 [pid 2462] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2466] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2464] <... mmap resumed>) = 0x7f85c0c15000 [pid 2463] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2462] <... futex resumed>) = 1 [pid 2460] <... futex resumed>) = 0 [pid 2466] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2464] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2463] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2462] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2460] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2466] <... futex resumed>) = 0 [pid 2464] <... mprotect resumed>) = 0 [pid 2463] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2462] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2460] <... futex resumed>) = 0 [pid 2466] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2464] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2463] <... futex resumed>) = 0 [pid 2462] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2460] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2466] <... unlinkat resumed>) = 0 [pid 2464] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2463] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2466] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2464] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2463] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2462] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2466] <... futex resumed>) = 0 [pid 2463] exit_group(0 [pid 2462] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... restart_syscall resumed>) = 0 [pid 2464] <... clone3 resumed> => {parent_tid=[2468]}, 88) = 2468 [pid 2463] <... exit_group resumed>) = ? [pid 2462] <... futex resumed>) = 1 [pid 2460] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2468 attached [pid 2466] +++ exited with 0 +++ [pid 2464] rt_sigprocmask(SIG_SETMASK, [] [pid 2463] +++ exited with 0 +++ [pid 2462] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2460] exit_group(0 [pid 2468] set_robust_list(0x7f85c0c359a0, 24 [pid 2464] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2462] <... futex resumed>) = ? [pid 2460] <... exit_group resumed>) = ? [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2463, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2468] <... set_robust_list resumed>) = 0 [pid 2464] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2462] +++ exited with 0 +++ [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2468] rt_sigprocmask(SIG_SETMASK, [] [pid 2464] <... futex resumed>) = 0 [pid 2460] +++ exited with 0 +++ [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... restart_syscall resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2469 attached [pid 2468] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2464] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2468] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2469 [pid 305] <... restart_syscall resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2460, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2468] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2469] set_robust_list(0x5555810c5760, 24 [pid 2468] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2469] <... set_robust_list resumed>) = 0 [pid 2468] <... futex resumed>) = 1 [pid 2464] <... futex resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2469] rt_sigprocmask(SIG_SETMASK, [] [pid 2468] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2464] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2469] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2468] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2464] <... futex resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2470 [pid 2469] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2468] mount(NULL, "./config", "configfs", 0, NULL [pid 2464] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2471 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2472 [pid 2469] <... prctl resumed>) = 0 [pid 2468] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 2469] setpgid(0, 0 [pid 2468] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2469] <... setpgid resumed>) = 0 [pid 2468] <... futex resumed>) = 1 [pid 2464] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2470 attached [pid 2469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2468] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2464] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2468] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2464] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2468] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2470] set_robust_list(0x5555810c5760, 24 [pid 2469] <... openat resumed>) = 3 [pid 2468] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2469] write(3, "1000", 4 [pid 2468] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2469] <... write resumed>) = 4 [pid 2468] <... futex resumed>) = 1 [pid 2464] <... futex resumed>) = 0 [pid 2468] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2464] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2468] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2464] <... futex resumed>) = 0 [pid 2468] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2464] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2468] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2469] close(3 [pid 2468] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2469] <... close resumed>) = 0 [pid 2468] <... futex resumed>) = 1 [pid 2464] <... futex resumed>) = 0 [pid 2468] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2464] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2468] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2464] <... futex resumed>) = 0 executing program [pid 2468] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2464] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2471 attached [pid 2469] write(1, "executing program\n", 18 [pid 2471] set_robust_list(0x5555810c5760, 24 [pid 2469] <... write resumed>) = 18 [pid 2468] <... mkdirat resumed>) = 0 [pid 2471] <... set_robust_list resumed>) = 0 [pid 2469] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2468] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2471] rt_sigprocmask(SIG_SETMASK, [] [pid 2470] <... set_robust_list resumed>) = 0 [pid 2469] <... futex resumed>) = 0 [pid 2471] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2469] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2468] <... futex resumed>) = 1 [pid 2464] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2472 attached [pid 2471] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2470] rt_sigprocmask(SIG_SETMASK, [] [pid 2469] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2468] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2464] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2472] set_robust_list(0x5555810c5760, 24 [pid 2471] <... prctl resumed>) = 0 [pid 2469] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2468] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2464] <... futex resumed>) = 0 [pid 2472] <... set_robust_list resumed>) = 0 [pid 2471] setpgid(0, 0 [pid 2470] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2469] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2468] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2464] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2472] rt_sigprocmask(SIG_SETMASK, [] [pid 2471] <... setpgid resumed>) = 0 [pid 2470] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2469] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2472] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2471] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2469] <... mmap resumed>) = 0x7f85c0c15000 [pid 2468] <... symlinkat resumed>) = 0 [pid 2472] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2471] <... openat resumed>) = 3 [pid 2470] <... prctl resumed>) = 0 [pid 2469] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2468] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2472] <... prctl resumed>) = 0 [pid 2471] write(3, "1000", 4 [pid 2469] <... mprotect resumed>) = 0 [pid 2468] <... futex resumed>) = 1 [pid 2472] setpgid(0, 0 [pid 2471] <... write resumed>) = 4 [pid 2469] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2464] <... futex resumed>) = 0 [pid 2472] <... setpgid resumed>) = 0 [pid 2471] close(3 [pid 2470] setpgid(0, 0 [pid 2469] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2468] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2472] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2471] <... close resumed>) = 0 [pid 2470] <... setpgid resumed>) = 0 [pid 2469] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2468] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2464] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2473 attached [pid 2472] <... openat resumed>) = 3 [pid 2471] write(1, "executing program\n", 18 executing program [pid 2470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2468] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2464] <... futex resumed>) = 0 [pid 2472] write(3, "1000", 4 [pid 2471] <... write resumed>) = 18 [pid 2469] <... clone3 resumed> => {parent_tid=[2473]}, 88) = 2473 [pid 2472] <... write resumed>) = 4 [pid 2471] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2469] rt_sigprocmask(SIG_SETMASK, [] [pid 2468] <... unlinkat resumed>) = 0 [pid 2464] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2472] close(3 [pid 2471] <... futex resumed>) = 0 [pid 2469] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2468] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2464] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2472] <... close resumed>) = 0 [pid 2471] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2469] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2468] <... futex resumed>) = 0 [pid 2464] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2472] write(1, "executing program\n", 18 [pid 2471] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2470] <... openat resumed>) = 3 [pid 2469] <... futex resumed>) = 0 executing program [pid 2468] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2464] <... futex resumed>) = 0 [pid 2472] <... write resumed>) = 18 [pid 2471] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2469] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2472] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2471] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2470] write(3, "1000", 4 [pid 2468] <... unlinkat resumed>) = 0 [pid 2464] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2473] set_robust_list(0x7f85c0c359a0, 24 [pid 2472] <... futex resumed>) = 0 [pid 2471] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2470] <... write resumed>) = 4 [pid 2468] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2464] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2472] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2471] <... mmap resumed>) = 0x7f85c0c15000 [pid 2468] <... futex resumed>) = 0 [pid 2470] close(3 [pid 2464] exit_group(0 [pid 2472] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2471] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2470] <... close resumed>) = 0 [pid 2464] <... exit_group resumed>) = ? [pid 2472] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2471] <... mprotect resumed>) = 0 [pid 2468] +++ exited with 0 +++ [pid 2472] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2471] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2472] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2471] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2472] <... mmap resumed>) = 0x7f85c0c15000 [pid 2471] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2472] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2470] write(1, "executing program\n", 18 [pid 2464] +++ exited with 0 +++ executing program [pid 2472] <... mprotect resumed>) = 0 [pid 2471] <... clone3 resumed> => {parent_tid=[2474]}, 88) = 2474 [pid 2470] <... write resumed>) = 18 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2464, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2472] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2471] rt_sigprocmask(SIG_SETMASK, [] [pid 2470] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2472] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2471] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2470] <... futex resumed>) = 0 [pid 2472] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2471] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2470] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}ci2-android-5-15/strace-static-x86_64: Process 2474 attached [pid 2473] <... set_robust_list resumed>) = 0 [pid 2471] <... futex resumed>) = 0 [pid 2470] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2473] rt_sigprocmask(SIG_SETMASK, [] [pid 2472] <... clone3 resumed> => {parent_tid=[2475]}, 88) = 2475 [pid 2471] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2470] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1]ci2-android-5-15/strace-static-x86_64: Process 2475 attached [pid 2473] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2472] rt_sigprocmask(SIG_SETMASK, [] [pid 2470] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2470] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2473] mkdirat(AT_FDCWD, "./config", 0777 [pid 2472] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2470] <... mmap resumed>) = 0x7f85c0c15000 [pid 2475] set_robust_list(0x7f85c0c359a0, 24 [pid 2470] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2473] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2472] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2470] <... mprotect resumed>) = 0 [pid 2475] <... set_robust_list resumed>) = 0 [pid 2475] rt_sigprocmask(SIG_SETMASK, [] [pid 2470] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2473] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2472] <... futex resumed>) = 0 [pid 2470] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2475] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2470] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2473] <... futex resumed>) = 1 [pid 2469] <... futex resumed>) = 0 [pid 2472] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2473] mount(NULL, "./config", "configfs", 0, NULL [pid 2469] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2470] <... clone3 resumed> => {parent_tid=[2476]}, 88) = 2476 [pid 2469] <... futex resumed>) = 0 [pid 2473] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2470] rt_sigprocmask(SIG_SETMASK, [] [pid 2469] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2473] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2470] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2469] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2473] <... futex resumed>) = 0 [pid 2470] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2469] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2473] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2470] <... futex resumed>) = 0 [pid 2469] <... futex resumed>) = 0 [pid 2470] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2469] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2473] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2475] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 2473] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2476 attached [pid 2474] set_robust_list(0x7f85c0c359a0, 24 [pid 2473] <... futex resumed>) = 1 [pid 2469] <... futex resumed>) = 0 [pid 2469] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2469] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2475] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2472] <... futex resumed>) = 0 [pid 2473] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2472] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2473] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2472] <... futex resumed>) = 0 [pid 2473] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2472] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2473] <... futex resumed>) = 1 [pid 2469] <... futex resumed>) = 0 [pid 2473] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2469] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2473] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2469] <... futex resumed>) = 0 [pid 2473] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2469] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2474] <... set_robust_list resumed>) = 0 [pid 2475] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 2473] <... mkdirat resumed>) = 0 [pid 2475] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2473] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2469] <... futex resumed>) = 0 [pid 2474] rt_sigprocmask(SIG_SETMASK, [] [pid 2473] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2469] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2476] set_robust_list(0x7f85c0c359a0, 24 [pid 2473] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2469] <... futex resumed>) = 0 [pid 2473] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2469] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2473] <... symlinkat resumed>) = 0 [pid 2475] <... futex resumed>) = 1 [pid 2473] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2472] <... futex resumed>) = 0 [pid 2473] <... futex resumed>) = 1 [pid 2472] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2469] <... futex resumed>) = 0 [pid 2473] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2472] <... futex resumed>) = 0 [pid 2469] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2473] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2472] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2469] <... futex resumed>) = 0 [pid 2473] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2469] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2475] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2473] <... unlinkat resumed>) = 0 [pid 2475] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2473] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2475] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2474] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2473] <... futex resumed>) = 1 [pid 2469] <... futex resumed>) = 0 [pid 2473] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2469] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2474] mkdirat(AT_FDCWD, "./config", 0777 [pid 2473] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2469] <... futex resumed>) = 0 [pid 2475] <... futex resumed>) = 1 [pid 2474] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2473] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2472] <... futex resumed>) = 0 [pid 2469] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2475] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2476] <... set_robust_list resumed>) = 0 [pid 2473] <... unlinkat resumed>) = 0 [pid 2472] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2474] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2473] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2472] <... futex resumed>) = 1 [pid 2476] rt_sigprocmask(SIG_SETMASK, [] [pid 2475] <... futex resumed>) = 0 [pid 2474] <... futex resumed>) = 1 [pid 2473] <... futex resumed>) = 1 [pid 2472] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2471] <... futex resumed>) = 0 [pid 2469] <... futex resumed>) = 0 [pid 2476] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2475] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2474] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2473] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2471] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2476] mkdirat(AT_FDCWD, "./config", 0777 [pid 2475] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2474] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2471] <... futex resumed>) = 0 [pid 2469] exit_group(0 [pid 2476] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2475] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2471] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2476] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2475] <... futex resumed>) = 1 [pid 2474] mount(NULL, "./config", "configfs", 0, NULL [pid 2473] <... futex resumed>) = ? [pid 2472] <... futex resumed>) = 0 [pid 2469] <... exit_group resumed>) = ? [pid 304] <... restart_syscall resumed>) = 0 [pid 2476] <... futex resumed>) = 1 [pid 2475] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2473] +++ exited with 0 +++ [pid 2476] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2474] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2472] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2470] <... futex resumed>) = 0 [pid 2469] +++ exited with 0 +++ [pid 2475] <... futex resumed>) = 0 [pid 2474] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2472] <... futex resumed>) = 1 [pid 2470] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2469, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2477 [pid 2476] <... futex resumed>) = 0 [pid 2475] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2474] <... futex resumed>) = 1 [pid 2472] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2471] <... futex resumed>) = 0 [pid 2470] <... futex resumed>) = 1 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 2476] mount(NULL, "./config", "configfs", 0, NULL [pid 2475] <... mkdirat resumed>) = 0 [pid 2474] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2471] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2470] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2476] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2475] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2474] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2471] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2476] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2475] <... futex resumed>) = 1 [pid 2474] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2472] <... futex resumed>) = 0 [pid 2471] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2476] <... futex resumed>) = 1 [pid 2475] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2474] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2472] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2470] <... futex resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2476] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2475] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2474] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2472] <... futex resumed>) = 0 [pid 2470] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2475] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 2476] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2475] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2472] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2471] <... futex resumed>) = 0 [pid 2474] <... futex resumed>) = 1 [pid 2470] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2478 [pid 2476] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2475] <... futex resumed>) = 0 [pid 2474] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2472] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2471] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2470] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2476] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2475] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2474] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2472] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2471] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 2476] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2475] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2474] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2472] <... futex resumed>) = 0 [pid 2471] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2476] <... futex resumed>) = 1 [pid 2475] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2474] <... futex resumed>) = 0 [pid 2472] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2471] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2470] <... futex resumed>) = 0 [pid 2476] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2475] <... unlinkat resumed>) = 0 [pid 2474] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2471] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2470] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2476] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2475] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2474] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2471] <... futex resumed>) = 0 [pid 2470] <... futex resumed>) = 0 [pid 2476] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2475] <... futex resumed>) = 1 [pid 2474] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2472] <... futex resumed>) = 0 [pid 2471] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2470] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2475] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 2477 attached [pid 2477] set_robust_list(0x5555810c5760, 24 [pid 2476] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2472] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2476] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2474] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2476] <... futex resumed>) = 1 [pid 2475] <... futex resumed>) = 0 [pid 2474] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2472] <... futex resumed>) = 1 [pid 2470] <... futex resumed>) = 0 [pid 2476] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2475] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2474] <... futex resumed>) = 1 [pid 2472] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2471] <... futex resumed>) = 0 [pid 2470] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2476] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2475] <... unlinkat resumed>) = 0 [pid 2474] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2471] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2470] <... futex resumed>) = 0 [pid 2477] <... set_robust_list resumed>) = 0 [pid 2476] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2475] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2474] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2471] <... futex resumed>) = 0 [pid 2470] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2477] rt_sigprocmask(SIG_SETMASK, [] [pid 2476] <... mkdirat resumed>) = 0 [pid 2475] <... futex resumed>) = 1 [pid 2474] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2472] <... futex resumed>) = 0 [pid 2471] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2477] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2476] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2475] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2477] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2476] <... futex resumed>) = 1 [pid 2474] <... symlinkat resumed>) = 0 [pid 2472] exit_group(0 [pid 2470] <... futex resumed>) = 0 [pid 2477] <... prctl resumed>) = 0 [pid 2476] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2475] <... futex resumed>) = ? [pid 2474] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2472] <... exit_group resumed>) = ? [pid 2470] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2477] setpgid(0, 0 [pid 2476] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2475] +++ exited with 0 +++ [pid 2474] <... futex resumed>) = 1 [pid 2471] <... futex resumed>) = 0 [pid 2477] <... setpgid resumed>) = 0 [pid 2477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2472] +++ exited with 0 +++ [pid 2477] write(3, "1000", 4 [pid 2470] <... futex resumed>) = 0 [pid 2477] <... write resumed>) = 4 [pid 2476] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2474] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2471] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2470] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2472, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2477] close(3 [pid 2476] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 2474] <... unlinkat resumed>) = 0 [pid 2471] <... futex resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 2478 attached [pid 2477] <... close resumed>) = 0 [pid 2476] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2474] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2471] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2476] <... futex resumed>) = 1 [pid 2474] <... futex resumed>) = 0 [pid 2471] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2470] <... futex resumed>) = 0 [pid 2476] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2474] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2471] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2470] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2478] set_robust_list(0x5555810c5760, 24 [pid 2477] write(1, "executing program\n", 18 [pid 2476] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2474] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2471] <... futex resumed>) = 0 [pid 2470] <... futex resumed>) = 0 [pid 2476] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2474] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2471] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2470] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2476] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2478] <... set_robust_list resumed>) = 0 [pid 2477] <... write resumed>) = 18 [pid 2474] <... unlinkat resumed>) = 0 executing program [pid 2476] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2474] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2476] <... futex resumed>) = 1 [pid 2470] <... futex resumed>) = 0 [pid 2474] <... futex resumed>) = 1 [pid 2476] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2474] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2471] <... futex resumed>) = 0 [pid 2470] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2476] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2471] exit_group(0 [pid 2476] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2470] <... futex resumed>) = 0 [pid 2474] <... futex resumed>) = ? [pid 2471] <... exit_group resumed>) = ? [pid 2476] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2474] +++ exited with 0 +++ [pid 2470] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2478] rt_sigprocmask(SIG_SETMASK, [] [pid 2477] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2478] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2477] <... futex resumed>) = 0 [pid 2478] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2477] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2478] <... prctl resumed>) = 0 [pid 2477] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2471] +++ exited with 0 +++ [pid 2478] setpgid(0, 0 [pid 2477] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2476] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2478] <... setpgid resumed>) = 0 [pid 2477] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2476] <... futex resumed>) = 1 [pid 2478] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2477] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2476] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2470] <... futex resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2471, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2478] <... openat resumed>) = 3 [pid 2477] <... mmap resumed>) = 0x7f85c0c15000 [pid 2470] exit_group(0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2478] write(3, "1000", 4 [pid 2477] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2476] <... futex resumed>) = ? [pid 2470] <... exit_group resumed>) = ? [pid 2478] <... write resumed>) = 4 [pid 2477] <... mprotect resumed>) = 0 [pid 2476] +++ exited with 0 +++ [pid 2478] close(3 [pid 2477] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2478] <... close resumed>) = 0 [pid 2477] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2478] write(1, "executing program\n", 18 [pid 2477] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2478] <... write resumed>) = 18 [pid 2470] +++ exited with 0 +++ [pid 305] <... restart_syscall resumed>) = 0 executing program [pid 2478] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2477] <... clone3 resumed> => {parent_tid=[2479]}, 88) = 2479 ci2-android-5-15/strace-static-x86_64: Process 2479 attached [pid 2478] <... futex resumed>) = 0 [pid 2477] rt_sigprocmask(SIG_SETMASK, [] [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2470, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... restart_syscall resumed>) = 0 [pid 2478] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2477] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2478] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2477] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... restart_syscall resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2478] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2477] <... futex resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 2480 attached [pid 2479] set_robust_list(0x7f85c0c359a0, 24 [pid 2478] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2477] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2478] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2480 [pid 2479] <... set_robust_list resumed>) = 0 [pid 2478] <... mmap resumed>) = 0x7f85c0c15000 [pid 2480] set_robust_list(0x5555810c5760, 24 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 2478] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2480] <... set_robust_list resumed>) = 0 [pid 2479] rt_sigprocmask(SIG_SETMASK, [] [pid 2478] <... mprotect resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2478] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2478] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2478] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[2482]}, 88) = 2482 [pid 2478] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2478] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2481 [pid 2478] <... futex resumed>) = 0 [pid 2478] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2479] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2483 [pid 306] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 2481 attached [pid 2481] set_robust_list(0x5555810c5760, 24) = 0 ci2-android-5-15/strace-static-x86_64: Process 2483 attached ci2-android-5-15/strace-static-x86_64: Process 2482 attached [pid 2481] rt_sigprocmask(SIG_SETMASK, [] [pid 2480] rt_sigprocmask(SIG_SETMASK, [] [pid 2479] mkdirat(AT_FDCWD, "./config", 0777 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2481] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2481] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2479] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2483] set_robust_list(0x5555810c5760, 24 [pid 2482] set_robust_list(0x7f85c0c359a0, 24 [pid 2480] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2481] <... prctl resumed>) = 0 [pid 2481] setpgid(0, 0) = 0 [pid 2481] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2479] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2477] <... futex resumed>) = 0 [pid 2483] <... set_robust_list resumed>) = 0 [pid 2482] <... set_robust_list resumed>) = 0 [pid 2480] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2477] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2477] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2481] <... openat resumed>) = 3 [pid 2480] <... prctl resumed>) = 0 [pid 2479] mount(NULL, "./config", "configfs", 0, NULL [pid 2481] write(3, "1000", 4) = 4 [pid 2481] close(3) = 0 [pid 2481] write(1, "executing program\n", 18) = 18 [pid 2481] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2481] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2481] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] executing program [pid 2479] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2481] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2481] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2481] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2483] rt_sigprocmask(SIG_SETMASK, [] [pid 2482] rt_sigprocmask(SIG_SETMASK, [] [pid 2480] setpgid(0, 0 [pid 2479] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2481] <... mprotect resumed>) = 0 [pid 2481] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2483] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2482] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2480] <... setpgid resumed>) = 0 [pid 2479] <... futex resumed>) = 1 [pid 2477] <... futex resumed>) = 0 [pid 2477] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2481] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2477] <... futex resumed>) = 0 [pid 2481] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2477] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2479] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2483] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2480] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2479] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2481] <... clone3 resumed> => {parent_tid=[2484]}, 88) = 2484 [pid 2479] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2481] rt_sigprocmask(SIG_SETMASK, [] [pid 2479] <... futex resumed>) = 1 [pid 2477] <... futex resumed>) = 0 [pid 2481] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2479] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2477] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2481] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2479] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2477] <... futex resumed>) = 0 [pid 2481] <... futex resumed>) = 0 [pid 2479] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2477] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2481] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2479] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2480] <... openat resumed>) = 3 [pid 2479] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2484 attached [pid 2480] write(3, "1000", 4 [pid 2479] <... futex resumed>) = 1 [pid 2477] <... futex resumed>) = 0 [pid 2480] <... write resumed>) = 4 [pid 2479] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2477] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2480] close(3 [pid 2479] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2477] <... futex resumed>) = 0 [pid 2479] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2477] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2480] <... close resumed>) = 0 [pid 2484] set_robust_list(0x7f85c0c359a0, 24 [pid 2479] <... mkdirat resumed>) = 0 [pid 2480] write(1, "executing program\n", 18 [pid 2479] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2484] <... set_robust_list resumed>) = 0 [pid 2480] <... write resumed>) = 18 [pid 2479] <... futex resumed>) = 1 [pid 2477] <... futex resumed>) = 0 [pid 2479] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2477] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2480] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2479] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2477] <... futex resumed>) = 0 executing program [pid 2480] <... futex resumed>) = 0 [pid 2479] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2477] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2484] rt_sigprocmask(SIG_SETMASK, [] [pid 2480] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2479] <... symlinkat resumed>) = 0 [pid 2484] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2480] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2479] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2480] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2479] <... futex resumed>) = 1 [pid 2477] <... futex resumed>) = 0 [pid 2480] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2479] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2477] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2480] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2479] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2477] <... futex resumed>) = 0 [pid 2480] <... mmap resumed>) = 0x7f85c0c15000 [pid 2479] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2477] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2484] mkdirat(AT_FDCWD, "./config", 0777 [pid 2480] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2479] <... unlinkat resumed>) = 0 [pid 2480] <... mprotect resumed>) = 0 [pid 2479] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2483] <... prctl resumed>) = 0 [pid 2479] <... futex resumed>) = 1 [pid 2477] <... futex resumed>) = 0 [pid 2483] setpgid(0, 0 [pid 2480] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2479] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2477] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2483] <... setpgid resumed>) = 0 [pid 2480] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2479] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2477] <... futex resumed>) = 0 [pid 2480] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2479] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2477] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2483] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2479] <... unlinkat resumed>) = 0 [pid 2484] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2479] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2477] <... futex resumed>) = 0 [pid 2480] <... clone3 resumed> => {parent_tid=[2485]}, 88) = 2485 [pid 2479] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2483] <... openat resumed>) = 3 [pid 2480] rt_sigprocmask(SIG_SETMASK, [] [pid 2477] exit_group(0 [pid 2479] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 2477] <... exit_group resumed>) = ? [pid 2483] write(3, "1000", 4 [pid 2480] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2479] +++ exited with 0 +++ [pid 2484] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2481] <... futex resumed>) = 0 [pid 2481] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2481] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2484] <... futex resumed>) = 1 [pid 2484] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 2477] +++ exited with 0 +++ [pid 2483] <... write resumed>) = 4 [pid 2480] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2477, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 2485 attached [pid 2484] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2483] close(3 [pid 2480] <... futex resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2484] <... futex resumed>) = 1 [pid 2483] <... close resumed>) = 0 [pid 2481] <... futex resumed>) = 0 [pid 2480] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2484] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2481] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2484] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2483] write(1, "executing program\n", 18 [pid 2481] <... futex resumed>) = 0 [pid 2484] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2481] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2484] <... futex resumed>) = 0 [pid 2481] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2484] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 executing program [pid 2481] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2484] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2483] <... write resumed>) = 18 [pid 2481] <... futex resumed>) = 0 [pid 2484] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2481] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2484] <... futex resumed>) = 0 [pid 2481] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2484] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2481] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2484] <... mkdirat resumed>) = 0 [pid 2483] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2481] <... futex resumed>) = 0 [pid 2484] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2481] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2484] <... futex resumed>) = 0 [pid 2481] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2484] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2483] <... futex resumed>) = 0 [pid 2481] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2484] <... symlinkat resumed>) = 0 [pid 2483] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2481] <... futex resumed>) = 0 [pid 2484] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2483] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2481] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2484] <... futex resumed>) = 0 [pid 2483] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2481] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2484] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2483] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2481] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2484] <... unlinkat resumed>) = 0 [pid 2483] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2481] <... futex resumed>) = 0 [pid 2484] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2483] <... mmap resumed>) = 0x7f85c0c15000 [pid 2481] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2484] <... futex resumed>) = 0 [pid 2483] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2481] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2484] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2483] <... mprotect resumed>) = 0 [pid 2481] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2484] <... unlinkat resumed>) = 0 [pid 2483] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2481] <... futex resumed>) = 0 [pid 2485] set_robust_list(0x7f85c0c359a0, 24 [pid 2484] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2483] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2482] mkdirat(AT_FDCWD, "./config", 0777 [pid 2481] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2485] <... set_robust_list resumed>) = 0 [pid 2484] <... futex resumed>) = 0 [pid 2483] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2482] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2481] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2485] rt_sigprocmask(SIG_SETMASK, [] [pid 2484] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2482] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2481] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 2486 attached [pid 2485] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2484] <... futex resumed>) = ? [pid 2483] <... clone3 resumed> => {parent_tid=[2486]}, 88) = 2486 [pid 2482] <... futex resumed>) = 1 [pid 2481] <... exit_group resumed>) = ? [pid 2478] <... futex resumed>) = 0 [pid 2486] set_robust_list(0x7f85c0c359a0, 24 [pid 2485] mkdirat(AT_FDCWD, "./config", 0777 [pid 2484] +++ exited with 0 +++ [pid 2483] rt_sigprocmask(SIG_SETMASK, [] [pid 2482] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2481] +++ exited with 0 +++ [pid 2478] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... restart_syscall resumed>) = 0 [pid 2483] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2478] <... futex resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2481, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2483] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2478] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2483] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2483] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2486] <... set_robust_list resumed>) = 0 [pid 2485] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2482] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2485] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2482] mount(NULL, "./config", "configfs", 0, NULL [pid 2485] <... futex resumed>) = 1 [pid 2482] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2485] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2482] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2480] <... futex resumed>) = 0 [pid 2482] <... futex resumed>) = 1 [pid 2480] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2478] <... futex resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2487 [pid 2480] <... futex resumed>) = 1 [pid 2478] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2480] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 2478] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2478] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2485] <... futex resumed>) = 0 [pid 2482] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2485] mount(NULL, "./config", "configfs", 0, NULL [pid 2482] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2486] rt_sigprocmask(SIG_SETMASK, [] [pid 2485] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2482] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2485] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2482] <... futex resumed>) = 1 [pid 2478] <... futex resumed>) = 0 [pid 2485] <... futex resumed>) = 1 [pid 2482] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2480] <... futex resumed>) = 0 [pid 2478] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2485] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2482] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2480] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2485] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2482] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2478] <... futex resumed>) = 0 [pid 2486] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2485] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2482] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2480] <... futex resumed>) = 0 [pid 2478] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2485] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2482] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2480] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2478] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2485] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2482] <... futex resumed>) = 0 [pid 2480] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2478] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2485] <... futex resumed>) = 0 [pid 2482] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2480] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2478] <... futex resumed>) = 0 [pid 2486] mkdirat(AT_FDCWD, "./config", 0777 [pid 2485] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2482] <... mkdirat resumed>) = 0 [pid 2480] <... futex resumed>) = 0 [pid 2478] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2486] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2485] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2482] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2480] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2478] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2485] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2482] <... futex resumed>) = 0 [pid 2480] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2478] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2485] <... futex resumed>) = 0 [pid 2482] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2480] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2478] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2487 attached [pid 2486] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2485] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2482] <... symlinkat resumed>) = 0 [pid 2480] <... futex resumed>) = 0 [pid 2478] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2487] set_robust_list(0x5555810c5760, 24 [pid 2486] <... futex resumed>) = 1 [pid 2485] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2483] <... futex resumed>) = 0 [pid 2482] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2480] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2478] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2487] <... set_robust_list resumed>) = 0 [pid 2486] mount(NULL, "./config", "configfs", 0, NULL [pid 2485] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2483] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2482] <... futex resumed>) = 0 [pid 2480] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2487] rt_sigprocmask(SIG_SETMASK, [] [pid 2486] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2485] <... futex resumed>) = 0 [pid 2483] <... futex resumed>) = 0 [pid 2482] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2480] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2478] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... restart_syscall resumed>) = 0 [pid 2487] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2486] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2485] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2483] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2482] <... unlinkat resumed>) = 0 [pid 2480] <... futex resumed>) = 0 [pid 2478] <... futex resumed>) = 0 [pid 2487] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2486] <... futex resumed>) = 0 [pid 2485] <... symlinkat resumed>) = 0 [pid 2483] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2482] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2480] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2478] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2487] <... prctl resumed>) = 0 [pid 2486] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2485] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2483] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2482] <... futex resumed>) = 0 [pid 2480] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2478] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2487] setpgid(0, 0 [pid 2486] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2485] <... futex resumed>) = 0 [pid 2483] <... futex resumed>) = 0 [pid 2482] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2480] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2478] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2487] <... setpgid resumed>) = 0 [pid 2486] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2485] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2483] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2482] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2480] <... futex resumed>) = 0 [pid 2478] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2487] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2486] <... futex resumed>) = 0 [pid 2485] <... unlinkat resumed>) = 0 [pid 2483] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2482] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2480] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2478] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2487] <... openat resumed>) = 3 [pid 2486] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2485] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2483] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2482] <... unlinkat resumed>) = 0 [pid 2480] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2487] write(3, "1000", 4 [pid 2485] <... futex resumed>) = 0 [pid 2482] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2487] <... write resumed>) = 4 [pid 2485] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2482] <... futex resumed>) = 1 [pid 2487] close(3 [pid 2483] <... futex resumed>) = 0 [pid 2482] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2480] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2478] <... futex resumed>) = 0 [pid 2486] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2487] <... close resumed>) = 0 [pid 2485] <... futex resumed>) = 0 [pid 2483] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2480] <... futex resumed>) = 1 [pid 2478] exit_group(0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2488 [pid 2486] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2487] write(1, "executing program\n", 18 [pid 2485] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2482] <... futex resumed>) = ? executing program [pid 2480] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2478] <... exit_group resumed>) = ? [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2487] <... write resumed>) = 18 [pid 2486] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2485] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2482] +++ exited with 0 +++ [pid 2487] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2487] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2478] +++ exited with 0 +++ [pid 2487] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2485] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2487] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2486] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2485] <... futex resumed>) = 1 [pid 2480] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2478, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2487] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2485] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2480] exit_group(0 [pid 2483] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2486] <... futex resumed>) = 1 [pid 2487] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2486] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2485] <... futex resumed>) = ? [pid 2483] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2480] <... exit_group resumed>) = ? [pid 2487] <... mmap resumed>) = 0x7f85c0c15000 [pid 2485] +++ exited with 0 +++ [pid 2483] <... futex resumed>) = 0 [pid 2487] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2487] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 2488 attached [pid 2487] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2488] set_robust_list(0x5555810c5760, 24 [pid 2480] +++ exited with 0 +++ [pid 2488] <... set_robust_list resumed>) = 0 [pid 2487] <... clone3 resumed> => {parent_tid=[2489]}, 88) = 2489 [pid 2483] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2480, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2488] rt_sigprocmask(SIG_SETMASK, [] [pid 2487] rt_sigprocmask(SIG_SETMASK, [] [pid 2486] <... mkdirat resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2488] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2487] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2488] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2487] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2488] <... prctl resumed>) = 0 [pid 2487] <... futex resumed>) = 0 [pid 2486] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2488] setpgid(0, 0 [pid 2487] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2488] <... setpgid resumed>) = 0 [pid 2486] <... futex resumed>) = 1 [pid 2483] <... futex resumed>) = 0 [pid 2486] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2488] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2483] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... restart_syscall resumed>) = 0 [pid 2486] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2488] <... openat resumed>) = 3 [pid 2486] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2483] <... futex resumed>) = 0 [pid 2488] write(3, "1000", 4 [pid 2486] <... symlinkat resumed>) = 0 [pid 2483] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2488] <... write resumed>) = 4 [pid 2486] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2483] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2488] close(3 [pid 2486] <... futex resumed>) = 0 [pid 2483] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... restart_syscall resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2488] <... close resumed>) = 0 [pid 2486] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2483] <... futex resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 2490 attached [pid 2488] write(1, "executing program\n", 18 [pid 2486] <... unlinkat resumed>) = 0 [pid 2483] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2488] <... write resumed>) = 18 executing program [pid 2486] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2483] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2490 [pid 2488] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2486] <... futex resumed>) = 0 [pid 2483] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 2490] set_robust_list(0x5555810c5760, 24 [pid 2486] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2483] <... futex resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2486] <... unlinkat resumed>) = 0 [pid 2483] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2489 attached [pid 2489] set_robust_list(0x7f85c0c359a0, 24 [pid 2486] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2489] <... set_robust_list resumed>) = 0 [pid 2486] <... futex resumed>) = 1 [pid 2483] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2491 [pid 2486] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2483] exit_group(0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 2486] <... futex resumed>) = ? [pid 2483] <... exit_group resumed>) = ? [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2489] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2489] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 2489] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2487] <... futex resumed>) = 0 [pid 2487] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2487] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2489] <... futex resumed>) = 1 [pid 2486] +++ exited with 0 +++ [pid 2483] +++ exited with 0 +++ [pid 2489] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2483, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2489] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2487] <... futex resumed>) = 0 [pid 2489] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2487] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2489] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2487] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2490] <... set_robust_list resumed>) = 0 [pid 2489] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2488] <... futex resumed>) = 0 [pid 2487] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2489] <... futex resumed>) = 0 [pid 2487] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2490] rt_sigprocmask(SIG_SETMASK, [] [pid 2489] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2488] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2487] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2489] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2487] <... futex resumed>) = 0 [pid 2489] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2487] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2489] <... futex resumed>) = 0 [pid 2488] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2487] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2489] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2487] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2492 [pid 2488] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1]ci2-android-5-15/strace-static-x86_64: Process 2492 attached [pid 2490] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2489] <... mkdirat resumed>) = 0 [pid 2487] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 2489] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2488] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2487] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2489] <... futex resumed>) = 0 [pid 2487] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ci2-android-5-15/strace-static-x86_64: Process 2491 attached [pid 2489] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2488] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2487] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2491] set_robust_list(0x5555810c5760, 24 [pid 2490] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2489] <... symlinkat resumed>) = 0 [pid 2488] <... mmap resumed>) = 0x7f85c0c15000 [pid 2487] <... futex resumed>) = 0 [pid 2492] set_robust_list(0x5555810c5760, 24 [pid 2491] <... set_robust_list resumed>) = 0 [pid 2489] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2487] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2492] <... set_robust_list resumed>) = 0 [pid 2491] rt_sigprocmask(SIG_SETMASK, [] [pid 2490] <... prctl resumed>) = 0 [pid 2489] <... futex resumed>) = 0 [pid 2488] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2487] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2491] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2489] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2487] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2491] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2490] setpgid(0, 0 [pid 2489] <... unlinkat resumed>) = 0 [pid 2488] <... mprotect resumed>) = 0 [pid 2487] <... futex resumed>) = 0 [pid 2491] <... prctl resumed>) = 0 [pid 2489] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2487] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2491] setpgid(0, 0 [pid 2490] <... setpgid resumed>) = 0 [pid 2489] <... futex resumed>) = 0 [pid 2488] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2487] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2491] <... setpgid resumed>) = 0 [pid 2489] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2488] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2487] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2492] rt_sigprocmask(SIG_SETMASK, [] [pid 2491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2490] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2489] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2488] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2487] <... futex resumed>) = 0 [pid 2492] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2491] <... openat resumed>) = 3 [pid 2490] <... openat resumed>) = 3 [pid 2489] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2487] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2492] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2491] write(3, "1000", 4 [pid 2490] write(3, "1000", 4 [pid 2489] <... unlinkat resumed>) = 0 [pid 2492] <... prctl resumed>) = 0 [pid 2491] <... write resumed>) = 4 [pid 2489] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2488] <... clone3 resumed> => {parent_tid=[2493]}, 88) = 2493 [pid 2492] setpgid(0, 0 [pid 2491] close(3 [pid 2490] <... write resumed>) = 4 [pid 2489] <... futex resumed>) = 1 [pid 2488] rt_sigprocmask(SIG_SETMASK, [] [pid 2487] <... futex resumed>) = 0 [pid 2492] <... setpgid resumed>) = 0 [pid 2491] <... close resumed>) = 0 [pid 2490] close(3 [pid 2489] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2488] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2487] exit_group(0 [pid 2492] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2491] write(1, "executing program\n", 18 [pid 2490] <... close resumed>) = 0 executing program [pid 2489] <... futex resumed>) = ? [pid 2488] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2487] <... exit_group resumed>) = ? [pid 2492] <... openat resumed>) = 3 [pid 2491] <... write resumed>) = 18 [pid 2490] write(1, "executing program\n", 18 [pid 2489] +++ exited with 0 +++ [pid 2488] <... futex resumed>) = 0 [pid 2487] +++ exited with 0 +++ executing program [pid 2492] write(3, "1000", 4 [pid 2491] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2490] <... write resumed>) = 18 [pid 2488] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2492] <... write resumed>) = 4 [pid 2491] <... futex resumed>) = 0 [pid 2490] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2492] close(3 [pid 2491] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2487, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2490] <... futex resumed>) = 0 [pid 2492] <... close resumed>) = 0 [pid 2491] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2490] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2492] write(1, "executing program\n", 18 [pid 2491] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] executing program [pid 2490] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2492] <... write resumed>) = 18 [pid 2491] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2490] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2492] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2491] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2490] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2492] <... futex resumed>) = 0 [pid 2491] <... mmap resumed>) = 0x7f85c0c15000 [pid 2490] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2492] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2491] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2490] <... mmap resumed>) = 0x7f85c0c15000 [pid 2492] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2491] <... mprotect resumed>) = 0 [pid 2490] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2492] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2491] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2492] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2491] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2490] <... mprotect resumed>) = 0 [pid 2492] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2491] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2492] <... mmap resumed>) = 0x7f85c0c15000 [pid 2490] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 2494 attached [pid 2492] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2491] <... clone3 resumed> => {parent_tid=[2494]}, 88) = 2494 [pid 2490] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2492] <... mprotect resumed>) = 0 [pid 2491] rt_sigprocmask(SIG_SETMASK, [] [pid 2490] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2492] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2491] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2492] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2491] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2492] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2491] <... futex resumed>) = 0 [pid 2491] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2490] <... clone3 resumed> => {parent_tid=[2495]}, 88) = 2495 [pid 2492] <... clone3 resumed> => {parent_tid=[2496]}, 88) = 2496 [pid 2490] rt_sigprocmask(SIG_SETMASK, [] [pid 2492] rt_sigprocmask(SIG_SETMASK, [] [pid 2490] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2492] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2490] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2492] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2490] <... futex resumed>) = 0 [pid 2492] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2490] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2493 attached ci2-android-5-15/strace-static-x86_64: Process 2495 attached [pid 2493] set_robust_list(0x7f85c0c359a0, 24 [pid 2494] set_robust_list(0x7f85c0c359a0, 24 [pid 2493] <... set_robust_list resumed>) = 0 [pid 2493] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2493] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 2493] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2488] <... futex resumed>) = 0 [pid 2488] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2488] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2493] mount(NULL, "./config", "configfs", 0, NULL [pid 2494] <... set_robust_list resumed>) = 0 [pid 2493] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2495] set_robust_list(0x7f85c0c359a0, 24 [pid 2493] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2488] <... futex resumed>) = 0 [pid 2493] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2488] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2493] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2488] <... futex resumed>) = 0 [pid 2493] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2488] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2493] <... futex resumed>) = 0 [pid 2488] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2488] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2488] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2493] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 2493] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2488] <... futex resumed>) = 0 [pid 2493] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2488] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2495] <... set_robust_list resumed>) = 0 [pid 2494] rt_sigprocmask(SIG_SETMASK, [] [pid 2493] <... mkdirat resumed>) = 0 [pid 2488] <... futex resumed>) = 0 [pid 2493] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2494] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2488] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2493] <... futex resumed>) = 0 [pid 2488] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2494] mkdirat(AT_FDCWD, "./config", 0777 [pid 2488] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2493] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2488] <... futex resumed>) = 0 [pid 2494] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2488] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2495] rt_sigprocmask(SIG_SETMASK, [] [pid 2494] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2493] <... symlinkat resumed>) = 0 [pid 2493] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2488] <... futex resumed>) = 0 [pid 2494] <... futex resumed>) = 1 [pid 2491] <... futex resumed>) = 0 [pid 2488] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2496 attached [pid 2494] mount(NULL, "./config", "configfs", 0, NULL [pid 2493] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2491] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2488] <... futex resumed>) = 0 [pid 2496] set_robust_list(0x7f85c0c359a0, 24 [pid 2493] <... unlinkat resumed>) = 0 [pid 2491] <... futex resumed>) = 0 [pid 2488] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... restart_syscall resumed>) = 0 [pid 2496] <... set_robust_list resumed>) = 0 [pid 2494] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2493] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2491] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2488] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2496] rt_sigprocmask(SIG_SETMASK, [] [pid 2493] <... futex resumed>) = 0 [pid 2488] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2496] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2494] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2493] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2488] <... futex resumed>) = 0 [pid 2496] mkdirat(AT_FDCWD, "./config", 0777 [pid 2495] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2494] <... futex resumed>) = 1 [pid 2493] <... unlinkat resumed>) = 0 [pid 2491] <... futex resumed>) = 0 [pid 2488] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2496] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2494] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2493] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2491] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2488] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2496] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2494] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2493] <... futex resumed>) = 0 [pid 2491] <... futex resumed>) = 0 [pid 2488] exit_group(0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2496] <... futex resumed>) = 1 [pid 2495] mkdirat(AT_FDCWD, "./config", 0777 [pid 2494] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2492] <... futex resumed>) = 0 [pid 2491] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2488] <... exit_group resumed>) = ? [pid 2496] mount(NULL, "./config", "configfs", 0, NULL [pid 2493] +++ exited with 0 +++ [pid 2492] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2491] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2496] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2492] <... futex resumed>) = 0 [pid 2491] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2496] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2492] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2491] <... futex resumed>) = 0 [pid 2496] <... futex resumed>) = 0 [pid 2492] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2491] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2496] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2492] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2496] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2495] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2494] <... futex resumed>) = 1 [pid 2492] <... futex resumed>) = 0 [pid 2491] <... futex resumed>) = 0 [pid 2488] +++ exited with 0 +++ [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2497 ci2-android-5-15/strace-static-x86_64: Process 2497 attached [pid 2496] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2495] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2494] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2492] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2491] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2488, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 2496] <... futex resumed>) = 0 [pid 2495] <... futex resumed>) = 1 [pid 2494] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2492] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2490] <... futex resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2496] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2495] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2494] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2492] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2490] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2496] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2495] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2494] <... futex resumed>) = 1 [pid 2492] <... futex resumed>) = 0 [pid 2491] <... futex resumed>) = 0 [pid 2490] <... futex resumed>) = 0 [pid 2497] set_robust_list(0x5555810c5760, 24 [pid 2496] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2495] mount(NULL, "./config", "configfs", 0, NULL [pid 2494] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2492] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2491] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2490] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2496] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2495] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2494] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2491] <... futex resumed>) = 0 [pid 2496] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2495] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2494] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2491] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2496] <... futex resumed>) = 1 [pid 2492] <... futex resumed>) = 0 [pid 2496] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2492] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2496] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2495] <... futex resumed>) = 1 [pid 2494] <... mkdirat resumed>) = 0 [pid 2492] <... futex resumed>) = 0 [pid 2490] <... futex resumed>) = 0 [pid 2496] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2495] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2494] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2492] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2490] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2497] <... set_robust_list resumed>) = 0 [pid 2496] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2495] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2494] <... futex resumed>) = 1 [pid 2491] <... futex resumed>) = 0 [pid 2490] <... futex resumed>) = 0 [pid 2496] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2495] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2494] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2491] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2490] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2497] rt_sigprocmask(SIG_SETMASK, [] [pid 2496] <... futex resumed>) = 1 [pid 2495] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2494] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2492] <... futex resumed>) = 0 [pid 2491] <... futex resumed>) = 0 [pid 2497] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2496] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2495] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2494] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2492] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2491] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2496] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2495] <... futex resumed>) = 1 [pid 2492] <... futex resumed>) = 0 [pid 2490] <... futex resumed>) = 0 [pid 2494] <... symlinkat resumed>) = 0 [pid 2497] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2496] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2495] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2494] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2492] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2490] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2497] <... prctl resumed>) = 0 [pid 2496] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 2495] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2494] <... futex resumed>) = 1 [pid 2491] <... futex resumed>) = 0 [pid 2490] <... futex resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 2497] setpgid(0, 0 [pid 2496] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2495] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2494] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2491] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2490] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2497] <... setpgid resumed>) = 0 [pid 2496] <... futex resumed>) = 1 [pid 2495] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2494] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2492] <... futex resumed>) = 0 [pid 2491] <... futex resumed>) = 0 [pid 2497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2496] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2495] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2494] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2492] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2491] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2496] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2495] <... futex resumed>) = 1 [pid 2494] <... unlinkat resumed>) = 0 [pid 2492] <... futex resumed>) = 0 [pid 2490] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2497] <... openat resumed>) = 3 [pid 2496] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2495] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2494] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2492] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2490] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2497] write(3, "1000", 4 [pid 2496] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2495] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2494] <... futex resumed>) = 1 [pid 2491] <... futex resumed>) = 0 [pid 2490] <... futex resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2497] <... write resumed>) = 4 [pid 2496] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2495] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2494] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2491] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2490] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2496] <... futex resumed>) = 1 [pid 2492] <... futex resumed>) = 0 [pid 2491] <... futex resumed>) = 0 [pid 2496] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2492] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2491] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2497] close(3 [pid 2496] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2495] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2494] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2492] <... futex resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2498 [pid 2497] <... close resumed>) = 0 [pid 2496] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2495] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2494] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2492] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2498 attached [pid 2497] write(1, "executing program\n", 18 [pid 2496] <... unlinkat resumed>) = 0 [pid 2495] <... futex resumed>) = 1 [pid 2494] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2490] <... futex resumed>) = 0 executing program [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2497] <... write resumed>) = 18 [pid 2496] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2495] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2494] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2490] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2497] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2496] <... futex resumed>) = 1 [pid 2495] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2494] <... futex resumed>) = 1 [pid 2492] <... futex resumed>) = 0 [pid 2491] <... futex resumed>) = 0 [pid 2490] <... futex resumed>) = 0 [pid 2497] <... futex resumed>) = 0 [pid 2496] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2495] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2494] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2492] exit_group(0 [pid 2491] exit_group(0 [pid 2490] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2497] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2496] <... futex resumed>) = ? [pid 2495] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2494] <... futex resumed>) = ? [pid 2492] <... exit_group resumed>) = ? [pid 2491] <... exit_group resumed>) = ? [pid 2497] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2496] +++ exited with 0 +++ [pid 2495] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2494] +++ exited with 0 +++ [pid 2492] +++ exited with 0 +++ [pid 2491] +++ exited with 0 +++ [pid 2497] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2495] <... futex resumed>) = 1 [pid 2490] <... futex resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2492, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2497] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2495] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2490] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2491, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2497] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2495] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2490] <... futex resumed>) = 0 [pid 2497] <... mmap resumed>) = 0x7f85c0c15000 [pid 2495] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2490] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2497] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2495] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2497] <... mprotect resumed>) = 0 [pid 2495] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2498] set_robust_list(0x5555810c5760, 24 [pid 2495] <... futex resumed>) = 1 [pid 2490] <... futex resumed>) = 0 [pid 2498] <... set_robust_list resumed>) = 0 [pid 2497] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2495] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2490] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2498] rt_sigprocmask(SIG_SETMASK, [] [pid 2497] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2495] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2490] <... futex resumed>) = 0 [pid 2498] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2498] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2497] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2495] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2490] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2498] <... prctl resumed>) = 0 [pid 2495] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2495] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2497] <... clone3 resumed> => {parent_tid=[2499]}, 88) = 2499 [pid 2495] <... futex resumed>) = 1 [pid 2497] rt_sigprocmask(SIG_SETMASK, [] [pid 2495] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2490] <... futex resumed>) = 0 [pid 2497] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2498] setpgid(0, 0 [pid 2490] exit_group(0 [pid 2497] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2495] <... futex resumed>) = ? [pid 2490] <... exit_group resumed>) = ? [pid 2497] <... futex resumed>) = 0 [pid 2495] +++ exited with 0 +++ [pid 2498] <... setpgid resumed>) = 0 [pid 2498] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2498] write(3, "1000", 4) = 4 [pid 2498] close(3 [pid 2490] +++ exited with 0 +++ [pid 2498] <... close resumed>) = 0 [pid 2497] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... restart_syscall resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2490, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2498] write(1, "executing program\n", 18 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2498] <... write resumed>) = 18 [pid 2498] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2498] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2498] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2498] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2498] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2498] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2498] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2500 [pid 2498] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2498] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... restart_syscall resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 2501 attached ci2-android-5-15/strace-static-x86_64: Process 2500 attached [pid 2498] <... clone3 resumed> => {parent_tid=[2501]}, 88) = 2501 [pid 2498] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2498] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2498] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2498] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 2499 attached [pid 2499] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2499] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2499] mkdirat(AT_FDCWD, "./config", 0777 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2502 [pid 2499] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 2499] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2501] set_robust_list(0x7f85c0c359a0, 24 [pid 2500] set_robust_list(0x5555810c5760, 24 [pid 2499] <... futex resumed>) = 1 [pid 2497] <... futex resumed>) = 0 [pid 2499] mount(NULL, "./config", "configfs", 0, NULL [pid 2497] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2499] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2497] <... futex resumed>) = 0 [pid 2501] <... set_robust_list resumed>) = 0 [pid 2500] <... set_robust_list resumed>) = 0 [pid 2497] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2499] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2497] <... futex resumed>) = 0 [pid 2499] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2497] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2499] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2497] <... futex resumed>) = 0 [pid 2499] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2497] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2499] <... futex resumed>) = 0 [pid 2497] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2499] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2497] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2499] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2497] <... futex resumed>) = 0 [pid 2499] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2497] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2499] <... futex resumed>) = 0 [pid 2497] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2497] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2499] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2497] <... futex resumed>) = 0 [pid 2499] <... mkdirat resumed>) = 0 [pid 2497] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2499] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2497] <... futex resumed>) = 0 [pid 2497] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2499] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2497] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2499] <... symlinkat resumed>) = 0 [pid 2501] rt_sigprocmask(SIG_SETMASK, [] [pid 2499] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2500] rt_sigprocmask(SIG_SETMASK, [] [pid 2499] <... futex resumed>) = 1 [pid 2497] <... futex resumed>) = 0 [pid 2501] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2497] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2499] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2497] <... futex resumed>) = 0 [pid 2501] mkdirat(AT_FDCWD, "./config", 0777 [pid 2497] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2501] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2500] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2499] <... unlinkat resumed>) = 0 [pid 2499] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2501] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2497] <... futex resumed>) = 0 [pid 2501] <... futex resumed>) = 1 [pid 2499] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2498] <... futex resumed>) = 0 [pid 2497] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2501] mount(NULL, "./config", "configfs", 0, NULL [pid 2499] <... unlinkat resumed>) = 0 [pid 2498] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2497] <... futex resumed>) = 0 [pid 2499] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2498] <... futex resumed>) = 0 [pid 2497] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2501] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2500] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2499] <... futex resumed>) = 0 [pid 2498] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2497] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2499] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2497] exit_group(0 [pid 2501] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2500] <... prctl resumed>) = 0 [pid 2501] <... futex resumed>) = 1 [pid 2499] <... futex resumed>) = ? [pid 2498] <... futex resumed>) = 0 [pid 2497] <... exit_group resumed>) = ? [pid 2499] +++ exited with 0 +++ [pid 2498] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2498] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2502 attached [pid 2502] set_robust_list(0x5555810c5760, 24) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 2503 attached [pid 2501] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2500] setpgid(0, 0 [pid 2497] +++ exited with 0 +++ [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2503 [pid 2501] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2500] <... setpgid resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2497, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2502] rt_sigprocmask(SIG_SETMASK, [] [pid 2501] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2502] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2502] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2501] <... futex resumed>) = 1 [pid 2498] <... futex resumed>) = 0 [pid 2502] <... prctl resumed>) = 0 [pid 2500] <... openat resumed>) = 3 [pid 2498] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2501] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2502] setpgid(0, 0 [pid 2500] write(3, "1000", 4 [pid 2498] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2502] <... setpgid resumed>) = 0 [pid 2501] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2498] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2503] set_robust_list(0x5555810c5760, 24 [pid 2502] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2501] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2500] <... write resumed>) = 4 [pid 2498] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2502] <... openat resumed>) = 3 [pid 2501] <... futex resumed>) = 0 [pid 2498] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2502] write(3, "1000", 4 [pid 2498] <... futex resumed>) = 0 [pid 2502] <... write resumed>) = 4 [pid 2498] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2502] close(3 executing program [pid 2501] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2500] close(3 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2504 [pid 2502] <... close resumed>) = 0 [pid 2502] write(1, "executing program\n", 18 [pid 2501] <... mkdirat resumed>) = 0 [pid 2502] <... write resumed>) = 18 [pid 304] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 2501] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2500] <... close resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2502] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2501] <... futex resumed>) = 1 [pid 2500] write(1, "executing program\n", 18 [pid 2498] <... futex resumed>) = 0 [pid 2502] <... futex resumed>) = 0 [pid 2501] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2500] <... write resumed>) = 18 [pid 2498] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2503] <... set_robust_list resumed>) = 0 [pid 2502] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2501] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2500] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2498] <... futex resumed>) = 0 [pid 2502] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2501] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2500] <... futex resumed>) = 0 [pid 2498] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2502] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2501] <... symlinkat resumed>) = 0 [pid 2500] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2501] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2500] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2502] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2501] <... futex resumed>) = 1 [pid 2498] <... futex resumed>) = 0 [pid 2502] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2501] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2500] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2498] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2502] <... mmap resumed>) = 0x7f85c0c15000 [pid 2501] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2500] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2498] <... futex resumed>) = 0 [pid 2503] rt_sigprocmask(SIG_SETMASK, [] [pid 2502] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2501] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2500] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2498] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2504 attached [pid 2503] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2502] <... mprotect resumed>) = 0 [pid 2501] <... unlinkat resumed>) = 0 [pid 2500] <... mmap resumed>) = 0x7f85c0c15000 [pid 2504] set_robust_list(0x5555810c5760, 24 [pid 2503] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2502] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2501] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2504] <... set_robust_list resumed>) = 0 [pid 2503] <... prctl resumed>) = 0 [pid 2502] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2500] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2501] <... futex resumed>) = 1 [pid 2498] <... futex resumed>) = 0 [pid 2504] rt_sigprocmask(SIG_SETMASK, [] [pid 2503] setpgid(0, 0 [pid 2502] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2500] <... mprotect resumed>) = 0 [pid 2498] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2501] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2504] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2503] <... setpgid resumed>) = 0 [pid 2500] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2498] <... futex resumed>) = 0 [pid 2504] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2502] <... clone3 resumed> => {parent_tid=[2505]}, 88) = 2505 [pid 2501] <... unlinkat resumed>) = 0 [pid 2500] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2498] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2504] <... prctl resumed>) = 0 [pid 2503] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2502] rt_sigprocmask(SIG_SETMASK, [] [pid 2501] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2500] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2498] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2504] setpgid(0, 0 [pid 2502] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2501] <... futex resumed>) = 0 [pid 2498] exit_group(0 [pid 2504] <... setpgid resumed>) = 0 [pid 2503] <... openat resumed>) = 3 [pid 2502] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2498] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 2505 attached [pid 2504] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2503] write(3, "1000", 4 [pid 2502] <... futex resumed>) = 0 [pid 2501] +++ exited with 0 +++ [pid 2500] <... clone3 resumed> => {parent_tid=[2506]}, 88) = 2506 [pid 2498] +++ exited with 0 +++ [pid 2505] set_robust_list(0x7f85c0c359a0, 24 [pid 2504] <... openat resumed>) = 3 [pid 2503] <... write resumed>) = 4 [pid 2502] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2500] rt_sigprocmask(SIG_SETMASK, [] [pid 2504] write(3, "1000", 4 [pid 2503] close(3 [pid 2500] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2498, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2503] <... close resumed>) = 0 [pid 2500] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2503] write(1, "executing program\n", 18 [pid 2500] <... futex resumed>) = 0 [pid 2503] <... write resumed>) = 18 [pid 2500] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2503] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2504] <... write resumed>) = 4 [pid 2503] <... futex resumed>) = 0 executing program [pid 2504] close(3 [pid 2503] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2505] <... set_robust_list resumed>) = 0 [pid 2504] <... close resumed>) = 0 [pid 2503] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2504] write(1, "executing program\n", 18 [pid 2503] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2504] <... write resumed>) = 18 executing program [pid 2504] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2503] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2504] <... futex resumed>) = 0 [pid 2504] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2503] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2504] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2504] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2503] <... mmap resumed>) = 0x7f85c0c15000 [pid 2504] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2503] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2504] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2503] <... mprotect resumed>) = 0 [pid 2504] <... mmap resumed>) = 0x7f85c0c15000 [pid 2504] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2503] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2504] <... mprotect resumed>) = 0 [pid 2503] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2504] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2503] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2504] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2504] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[2508]}, 88) = 2508 [pid 2503] <... clone3 resumed> => {parent_tid=[2507]}, 88) = 2507 ci2-android-5-15/strace-static-x86_64: Process 2507 attached ci2-android-5-15/strace-static-x86_64: Process 2506 attached [pid 2505] rt_sigprocmask(SIG_SETMASK, [] [pid 2504] rt_sigprocmask(SIG_SETMASK, [] [pid 2503] rt_sigprocmask(SIG_SETMASK, [] [pid 2506] set_robust_list(0x7f85c0c359a0, 24 [pid 2504] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2503] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2507] set_robust_list(0x7f85c0c359a0, 24 [pid 2506] <... set_robust_list resumed>) = 0 [pid 2505] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2504] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2503] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2506] rt_sigprocmask(SIG_SETMASK, [] [pid 2504] <... futex resumed>) = 0 [pid 2506] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2505] mkdirat(AT_FDCWD, "./config", 0777 [pid 2504] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2503] <... futex resumed>) = 0 [pid 2506] mkdirat(AT_FDCWD, "./config", 0777 [pid 2505] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2503] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2506] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2505] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2506] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2502] <... futex resumed>) = 0 [pid 2506] <... futex resumed>) = 1 [pid 2505] mount(NULL, "./config", "configfs", 0, NULL [pid 2502] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2500] <... futex resumed>) = 0 [pid 2506] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2502] <... futex resumed>) = 0 [pid 2500] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2506] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2505] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2502] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2500] <... futex resumed>) = 0 [pid 2506] mount(NULL, "./config", "configfs", 0, NULL [pid 2500] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2505] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2507] <... set_robust_list resumed>) = 0 [pid 2506] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2505] <... futex resumed>) = 1 [pid 2502] <... futex resumed>) = 0 [pid 2506] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2502] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2506] <... futex resumed>) = 1 [pid 2502] <... futex resumed>) = 0 [pid 2505] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2500] <... futex resumed>) = 0 [pid 2506] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2502] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2500] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2506] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2505] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2500] <... futex resumed>) = 0 [pid 2500] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2505] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2506] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2505] <... futex resumed>) = 1 [pid 2502] <... futex resumed>) = 0 [pid 2506] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2505] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2502] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2506] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2505] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2502] <... futex resumed>) = 0 [pid 2506] <... futex resumed>) = 1 [pid 2505] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2502] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2500] <... futex resumed>) = 0 [pid 2506] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2505] <... futex resumed>) = 0 [pid 2502] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2500] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2507] rt_sigprocmask(SIG_SETMASK, [] [pid 2506] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2505] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2502] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2500] <... futex resumed>) = 0 [pid 2507] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2506] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2505] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2502] <... futex resumed>) = 0 [pid 2500] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2508 attached [pid 2507] mkdirat(AT_FDCWD, "./config", 0777 [pid 2506] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2505] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2502] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2508] set_robust_list(0x7f85c0c359a0, 24 [pid 2506] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2508] <... set_robust_list resumed>) = 0 [pid 2506] <... futex resumed>) = 1 [pid 2500] <... futex resumed>) = 0 [pid 2508] rt_sigprocmask(SIG_SETMASK, [] [pid 2507] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2506] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2505] <... mkdirat resumed>) = 0 [pid 2500] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2508] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2507] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2506] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2505] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2500] <... futex resumed>) = 0 [pid 2508] mkdirat(AT_FDCWD, "./config", 0777 [pid 2507] <... futex resumed>) = 1 [pid 2506] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2505] <... futex resumed>) = 1 [pid 2503] <... futex resumed>) = 0 [pid 2502] <... futex resumed>) = 0 [pid 2500] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... restart_syscall resumed>) = 0 [pid 2508] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2507] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2506] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2505] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2503] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2502] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2508] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2507] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2506] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2505] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2503] <... futex resumed>) = 0 [pid 2502] <... futex resumed>) = 0 [pid 2508] <... futex resumed>) = 1 [pid 2507] mount(NULL, "./config", "configfs", 0, NULL [pid 2506] <... futex resumed>) = 1 [pid 2505] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2504] <... futex resumed>) = 0 [pid 2503] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2502] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2500] <... futex resumed>) = 0 [pid 2508] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2506] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2505] <... symlinkat resumed>) = 0 [pid 2504] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2500] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2508] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2507] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2506] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2505] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2504] <... futex resumed>) = 0 [pid 2500] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2508] mount(NULL, "./config", "configfs", 0, NULL [pid 2507] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2506] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2505] <... futex resumed>) = 1 [pid 2504] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2502] <... futex resumed>) = 0 [pid 2500] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2508] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2507] <... futex resumed>) = 1 [pid 2506] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 2505] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2503] <... futex resumed>) = 0 [pid 2502] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2508] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2506] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2502] <... futex resumed>) = 0 [pid 2508] <... futex resumed>) = 1 [pid 2506] <... futex resumed>) = 1 [pid 2504] <... futex resumed>) = 0 [pid 2502] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2508] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2507] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2506] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2505] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2504] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2503] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2500] <... futex resumed>) = 0 [pid 2508] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2507] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2505] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2504] <... futex resumed>) = 0 [pid 2503] <... futex resumed>) = 0 [pid 2500] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2509 [pid 2508] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2507] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2506] <... futex resumed>) = 0 [pid 2505] <... unlinkat resumed>) = 0 [pid 2504] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2503] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2500] <... futex resumed>) = 1 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2508] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2507] <... futex resumed>) = 0 [pid 2506] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2505] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2503] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2500] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2508] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2507] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2506] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2505] <... futex resumed>) = 1 [pid 2503] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2502] <... futex resumed>) = 0 [pid 2508] <... futex resumed>) = 1 [pid 2507] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2506] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2505] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2504] <... futex resumed>) = 0 [pid 2503] <... futex resumed>) = 0 [pid 2502] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2508] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2507] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2506] <... futex resumed>) = 1 [pid 2505] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2504] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2503] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2502] <... futex resumed>) = 0 [pid 2500] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2509 attached [pid 2508] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2507] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2506] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2505] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2504] <... futex resumed>) = 0 [pid 2502] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2500] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2509] set_robust_list(0x5555810c5760, 24 [pid 2508] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2507] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2506] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2505] <... unlinkat resumed>) = 0 [pid 2504] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2500] <... futex resumed>) = 0 [pid 2509] <... set_robust_list resumed>) = 0 [pid 2508] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2507] <... futex resumed>) = 1 [pid 2506] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2505] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2503] <... futex resumed>) = 0 [pid 2500] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2509] rt_sigprocmask(SIG_SETMASK, [] [pid 2508] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2507] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2506] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2505] <... futex resumed>) = 1 [pid 2503] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2502] <... futex resumed>) = 0 [pid 2509] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2508] <... futex resumed>) = 1 [pid 2507] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2506] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2505] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2504] <... futex resumed>) = 0 [pid 2503] <... futex resumed>) = 0 [pid 2502] exit_group(0 [pid 2509] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2508] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2507] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2506] <... futex resumed>) = 1 [pid 2505] <... futex resumed>) = ? [pid 2504] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2503] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2502] <... exit_group resumed>) = ? [pid 2500] <... futex resumed>) = 0 [pid 2509] <... prctl resumed>) = 0 [pid 2508] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2507] <... mkdirat resumed>) = 0 [pid 2506] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2505] +++ exited with 0 +++ [pid 2504] <... futex resumed>) = 0 [pid 2502] +++ exited with 0 +++ [pid 2500] exit_group(0 [pid 2509] setpgid(0, 0 [pid 2508] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2507] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2504] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2500] <... exit_group resumed>) = ? [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2502, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2506] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 2509] <... setpgid resumed>) = 0 [pid 2508] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2507] <... futex resumed>) = 1 [pid 2503] <... futex resumed>) = 0 [pid 2509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2509] write(3, "1000", 4) = 4 [pid 2506] +++ exited with 0 +++ [pid 2500] +++ exited with 0 +++ [pid 2509] close(3 [pid 2503] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2509] <... close resumed>) = 0 [pid 2509] write(1, "executing program\n", 18 executing program [pid 2508] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2503] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2500, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2507] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2509] <... write resumed>) = 18 [pid 2508] <... futex resumed>) = 1 [pid 2504] <... futex resumed>) = 0 [pid 2503] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2509] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2508] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2507] <... symlinkat resumed>) = 0 [pid 2504] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2509] <... futex resumed>) = 0 [pid 2508] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 2507] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2504] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2509] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2508] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2507] <... futex resumed>) = 1 [pid 2504] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2503] <... futex resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2509] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2508] <... futex resumed>) = 0 [pid 2507] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2504] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2503] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2509] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2504] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2509] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2508] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2507] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2504] <... futex resumed>) = 0 [pid 2503] <... futex resumed>) = 0 [pid 2509] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2508] <... unlinkat resumed>) = 0 [pid 2504] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2507] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2509] <... mmap resumed>) = 0x7f85c0c15000 [pid 2508] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2504] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2503] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2510 [pid 2509] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2508] <... futex resumed>) = 0 [pid 2507] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2504] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 2509] <... mprotect resumed>) = 0 [pid 2508] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2507] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2504] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2509] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2504] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2509] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2508] <... unlinkat resumed>) = 0 [pid 2507] <... futex resumed>) = 1 [pid 2503] <... futex resumed>) = 0 [pid 2509] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2508] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2507] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2503] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2508] <... futex resumed>) = 1 [pid 2507] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2504] <... futex resumed>) = 0 [pid 2509] <... clone3 resumed> => {parent_tid=[2511]}, 88) = 2511 [pid 2508] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2507] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2504] exit_group(0 [pid 2503] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2511 attached [pid 2509] rt_sigprocmask(SIG_SETMASK, [] [pid 2508] <... futex resumed>) = ? [pid 2507] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2504] <... exit_group resumed>) = ? [pid 2503] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2511] set_robust_list(0x7f85c0c359a0, 24 [pid 2509] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2508] +++ exited with 0 +++ [pid 2507] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2504] +++ exited with 0 +++ [pid 2503] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2509] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2507] <... futex resumed>) = 0 [pid 2503] exit_group(0 [pid 2509] <... futex resumed>) = 0 [pid 2503] <... exit_group resumed>) = ? [pid 2507] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2504, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2507] <... futex resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 2510 attached [pid 2509] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2510] set_robust_list(0x5555810c5760, 24) = 0 [pid 2510] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2510] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2507] +++ exited with 0 +++ [pid 2503] +++ exited with 0 +++ [pid 2510] <... prctl resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2503, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2510] setpgid(0, 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2510] <... setpgid resumed>) = 0 [pid 2511] <... set_robust_list resumed>) = 0 [pid 2510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2511] rt_sigprocmask(SIG_SETMASK, [] [pid 2510] <... openat resumed>) = 3 [pid 2510] write(3, "1000", 4) = 4 [pid 2510] close(3) = 0 [pid 2510] write(1, "executing program\n", 18 [pid 2511] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2510] <... write resumed>) = 18 executing program [pid 2510] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2510] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2511] mkdirat(AT_FDCWD, "./config", 0777 [pid 2510] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2510] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2510] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2510] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2511] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2510] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 312] <... restart_syscall resumed>) = 0 [pid 2510] <... clone3 resumed> => {parent_tid=[2512]}, 88) = 2512 [pid 2511] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2510] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2511] <... futex resumed>) = 1 [pid 2509] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2511] mount(NULL, "./config", "configfs", 0, NULL [pid 2509] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2509] <... futex resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2511] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2509] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2510] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2510] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2512 attached [pid 2512] set_robust_list(0x7f85c0c359a0, 24 [pid 2511] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2513 [pid 2512] <... set_robust_list resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 2511] <... futex resumed>) = 1 [pid 2509] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2511] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2509] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... restart_syscall resumed>) = 0 [pid 2512] rt_sigprocmask(SIG_SETMASK, [] [pid 2511] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2509] <... futex resumed>) = 0 [pid 2511] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2509] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2512] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2511] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2511] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2512] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 2512] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2510] <... futex resumed>) = 0 [pid 2510] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2511] <... futex resumed>) = 1 [pid 2509] <... futex resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2514 [pid 2510] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2509] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2511] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2509] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 2509] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2511] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2511] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2512] <... futex resumed>) = 1 [pid 2512] mount(NULL, "./config", "configfs", 0, NULL [pid 2509] <... futex resumed>) = 0 [pid 2511] <... futex resumed>) = 1 [pid 2512] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2511] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2509] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2512] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2509] <... futex resumed>) = 0 [pid 2510] <... futex resumed>) = 0 [pid 2509] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2510] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2511] <... mkdirat resumed>) = 0 [pid 2510] <... futex resumed>) = 0 [pid 2510] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2512] <... futex resumed>) = 1 [pid 2512] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2511] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2514 attached [pid 2512] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2511] <... futex resumed>) = 1 [pid 2509] <... futex resumed>) = 0 [pid 2512] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2511] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2509] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2510] <... futex resumed>) = 0 [pid 2509] <... futex resumed>) = 0 [pid 2511] <... symlinkat resumed>) = 0 [pid 2510] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2509] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2510] <... futex resumed>) = 0 [pid 2511] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2510] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2512] <... futex resumed>) = 1 [pid 2509] <... futex resumed>) = 0 [pid 2511] <... futex resumed>) = 1 [pid 2509] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2511] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2509] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2512] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 2511] <... unlinkat resumed>) = 0 [pid 2512] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2510] <... futex resumed>) = 0 [pid 2510] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2510] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2512] <... futex resumed>) = 1 [pid 2512] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2511] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2514] set_robust_list(0x5555810c5760, 24 [pid 2511] <... futex resumed>) = 1 [pid 2509] <... futex resumed>) = 0 [pid 2511] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2509] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2511] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2509] <... futex resumed>) = 0 [pid 2511] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2509] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2514] <... set_robust_list resumed>) = 0 [pid 2512] <... mkdirat resumed>) = 0 [pid 2511] <... unlinkat resumed>) = 0 [pid 2512] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2510] <... futex resumed>) = 0 [pid 2511] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2510] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2512] <... futex resumed>) = 1 [pid 2511] <... futex resumed>) = 1 [pid 2510] <... futex resumed>) = 0 [pid 2509] <... futex resumed>) = 0 [pid 2512] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2511] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2510] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2512] <... symlinkat resumed>) = 0 [pid 2509] exit_group(0 [pid 2512] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2511] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 2509] <... exit_group resumed>) = ? [pid 2512] <... futex resumed>) = 1 [pid 2510] <... futex resumed>) = 0 [pid 2512] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2510] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... restart_syscall resumed>) = 0 [pid 2512] <... unlinkat resumed>) = 0 [pid 2510] <... futex resumed>) = 0 [pid 2512] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2510] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2512] <... futex resumed>) = 0 [pid 2510] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2512] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2511] +++ exited with 0 +++ [pid 2510] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2509] +++ exited with 0 +++ [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2512] <... unlinkat resumed>) = 0 [pid 2510] <... futex resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 2515 attached [pid 2514] rt_sigprocmask(SIG_SETMASK, [] [pid 2512] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2510] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2514] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2512] <... futex resumed>) = 0 [pid 2510] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2509, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2515 [pid 2514] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2512] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2510] exit_group(0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 2514] <... prctl resumed>) = 0 [pid 2512] <... futex resumed>) = ? [pid 2510] <... exit_group resumed>) = ? [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2515] set_robust_list(0x5555810c5760, 24 [pid 2514] setpgid(0, 0 [pid 2512] +++ exited with 0 +++ [pid 2510] +++ exited with 0 +++ [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 2513 attached [pid 2513] set_robust_list(0x5555810c5760, 24) = 0 [pid 2513] rt_sigprocmask(SIG_SETMASK, [] [pid 2514] <... setpgid resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2510, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2516 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2513] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2514] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2513] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2513] <... prctl resumed>) = 0 [pid 2513] setpgid(0, 0 [pid 2514] <... openat resumed>) = 3 [pid 2513] <... setpgid resumed>) = 0 [pid 2513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2514] write(3, "1000", 4 [pid 2515] <... set_robust_list resumed>) = 0 [pid 2514] <... write resumed>) = 4 [pid 2513] <... openat resumed>) = 3 [pid 2513] write(3, "1000", 4 [pid 2515] rt_sigprocmask(SIG_SETMASK, [] [pid 2514] close(3 [pid 2513] <... write resumed>) = 4 [pid 2514] <... close resumed>) = 0 [pid 2513] close(3) = 0 [pid 2513] write(1, "executing program\n", 18) = 18 executing program [pid 2513] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2515] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2514] write(1, "executing program\n", 18) = 18 [pid 2513] <... futex resumed>) = 0 executing program [pid 2514] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2514] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2513] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2514] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2514] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2513] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2514] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2514] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2513] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2514] <... mmap resumed>) = 0x7f85c0c15000 [pid 2514] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2513] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2514] <... mprotect resumed>) = 0 [pid 2513] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2514] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2513] <... mmap resumed>) = 0x7f85c0c15000 [pid 2514] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 2516 attached [pid 2514] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2513] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2516] set_robust_list(0x5555810c5760, 24 [pid 2515] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2513] <... mprotect resumed>) = 0 [pid 2515] <... prctl resumed>) = 0 [pid 2514] <... clone3 resumed> => {parent_tid=[2517]}, 88) = 2517 [pid 2516] <... set_robust_list resumed>) = 0 [pid 2515] setpgid(0, 0 [pid 2514] rt_sigprocmask(SIG_SETMASK, [] [pid 2513] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 2517 attached [pid 2515] <... setpgid resumed>) = 0 [pid 2514] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2514] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2516] rt_sigprocmask(SIG_SETMASK, [] [pid 2515] <... openat resumed>) = 3 [pid 2514] <... futex resumed>) = 0 [pid 2513] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 2516] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2515] write(3, "1000", 4 [pid 2514] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2513] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2517] set_robust_list(0x7f85c0c359a0, 24 [pid 2516] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2515] <... write resumed>) = 4 [pid 2516] <... prctl resumed>) = 0 [pid 2513] <... clone3 resumed> => {parent_tid=[2518]}, 88) = 2518 [pid 2516] setpgid(0, 0 [pid 2513] rt_sigprocmask(SIG_SETMASK, [] [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2516] <... setpgid resumed>) = 0 [pid 2515] close(3 [pid 2513] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2516] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2513] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 2518 attached [pid 2517] <... set_robust_list resumed>) = 0 [pid 2516] <... openat resumed>) = 3 [pid 2515] <... close resumed>) = 0 [pid 2513] <... futex resumed>) = 0 [pid 2516] write(3, "1000", 4 [pid 2513] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2516] <... write resumed>) = 4 [pid 2516] close(3) = 0 [pid 2516] write(1, "executing program\n", 18) = 18 [pid 2516] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 2516] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2516] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2516] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2516] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2516] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2516] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[2519]}, 88) = 2519 executing program [pid 2516] rt_sigprocmask(SIG_SETMASK, [] [pid 2515] write(1, "executing program\n", 18 [pid 2517] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2520 [pid 2515] <... write resumed>) = 18 [pid 2516] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 2515] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2517] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2515] <... futex resumed>) = 0 [pid 2515] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2516] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2515] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2517] mkdirat(AT_FDCWD, "./config", 0777 [pid 2516] <... futex resumed>) = 0 [pid 2515] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2516] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2515] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2517] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2515] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2517] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2515] <... mmap resumed>) = 0x7f85c0c15000 [pid 2517] <... futex resumed>) = 1 [pid 2515] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2514] <... futex resumed>) = 0 [pid 2515] <... mprotect resumed>) = 0 [pid 2517] mount(NULL, "./config", "configfs", 0, NULL [pid 2514] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2515] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2514] <... futex resumed>) = 0 [pid 2515] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2514] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2517] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2515] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0}ci2-android-5-15/strace-static-x86_64: Process 2519 attached [pid 2519] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2517] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2519] rt_sigprocmask(SIG_SETMASK, [] [pid 2515] <... clone3 resumed> => {parent_tid=[2521]}, 88) = 2521 [pid 2514] <... futex resumed>) = 0 [pid 2517] <... futex resumed>) = 1 [pid 2515] rt_sigprocmask(SIG_SETMASK, [] [pid 2514] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2517] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2515] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2514] <... futex resumed>) = 0 [pid 2515] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2514] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2517] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2515] <... futex resumed>) = 0 [pid 2515] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2517] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2520 attached [pid 2518] set_robust_list(0x7f85c0c359a0, 24 [pid 2517] <... futex resumed>) = 1 [pid 2514] <... futex resumed>) = 0 [pid 2514] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2517] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2514] <... futex resumed>) = 0 [pid 2519] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2514] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2517] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2517] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2514] <... futex resumed>) = 0 [pid 2519] mkdirat(AT_FDCWD, "./config", 0777 [pid 2517] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2514] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2519] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2519] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2516] <... futex resumed>) = 0 [pid 2517] <... mkdirat resumed>) = 0 [pid 2516] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2514] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2517] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2516] <... futex resumed>) = 0 [pid 2514] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2516] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2514] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2517] <... futex resumed>) = 0 [pid 2514] <... futex resumed>) = 0 [pid 2517] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2514] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2519] <... futex resumed>) = 1 [pid 2517] <... symlinkat resumed>) = 0 [pid 2519] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 2519] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2517] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2514] <... futex resumed>) = 0 [pid 2517] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2514] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2517] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2514] <... futex resumed>) = 0 [pid 2517] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2514] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2517] <... unlinkat resumed>) = 0 [pid 2516] <... futex resumed>) = 0 [pid 2517] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2516] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2517] <... futex resumed>) = 1 [pid 2518] <... set_robust_list resumed>) = 0 [pid 2516] <... futex resumed>) = 0 [pid 2514] <... futex resumed>) = 0 [pid 2517] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2516] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2514] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2518] rt_sigprocmask(SIG_SETMASK, [] [pid 2517] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2514] <... futex resumed>) = 0 [pid 2518] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2517] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2514] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2517] <... unlinkat resumed>) = 0 [pid 2519] <... futex resumed>) = 1 [pid 2517] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2519] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2517] <... futex resumed>) = 1 [pid 2514] <... futex resumed>) = 0 [pid 2517] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2514] exit_group(0 [pid 2519] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2517] <... futex resumed>) = ? [pid 2514] <... exit_group resumed>) = ? [pid 2519] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2517] +++ exited with 0 +++ [pid 2516] <... futex resumed>) = 0 [pid 2516] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2516] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2519] <... futex resumed>) = 1 [pid 2519] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 2519] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2516] <... futex resumed>) = 0 [pid 2516] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2514] +++ exited with 0 +++ [pid 2516] <... futex resumed>) = 0 [pid 2516] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2514, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2519] <... futex resumed>) = 1 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2519] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 2518] mkdirat(AT_FDCWD, "./config", 0777 [pid 2520] set_robust_list(0x5555810c5760, 24 [pid 2519] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2516] <... futex resumed>) = 0 [pid 2516] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2516] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2520] <... set_robust_list resumed>) = 0 [pid 2518] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2519] <... futex resumed>) = 1 [pid 2519] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 2519] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2518] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2516] <... futex resumed>) = 0 [pid 2516] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2516] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2520] rt_sigprocmask(SIG_SETMASK, [] [pid 2519] <... futex resumed>) = 1 [pid 2518] <... futex resumed>) = 1 [pid 2513] <... futex resumed>) = 0 [pid 2513] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2513] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2519] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2520] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2519] <... unlinkat resumed>) = 0 [pid 2518] mount(NULL, "./config", "configfs", 0, NULL [pid 2519] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2516] <... futex resumed>) = 0 [pid 2516] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2516] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2519] <... futex resumed>) = 1 [pid 2519] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2518] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2519] <... unlinkat resumed>) = 0 [pid 2518] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2520] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2519] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2516] <... futex resumed>) = 0 [pid 2516] exit_group(0) = ? [pid 2520] <... prctl resumed>) = 0 [pid 2518] <... futex resumed>) = 1 [pid 2513] <... futex resumed>) = 0 [pid 2513] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2519] <... futex resumed>) = ? [pid 2520] setpgid(0, 0 [pid 2518] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2513] <... futex resumed>) = 0 [pid 2520] <... setpgid resumed>) = 0 [pid 2519] +++ exited with 0 +++ [pid 2518] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2516] +++ exited with 0 +++ [pid 2513] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2518] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2513] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2520] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2518] <... futex resumed>) = 0 [pid 2513] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2516, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2518] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2513] <... futex resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2520] <... openat resumed>) = 3 [pid 2518] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2513] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2520] write(3, "1000", 4 [pid 2518] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2513] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2520] <... write resumed>) = 4 [pid 2518] <... futex resumed>) = 0 [pid 2513] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2521 attached [pid 2520] close(3 [pid 2518] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2513] <... futex resumed>) = 0 [pid 2521] set_robust_list(0x7f85c0c359a0, 24 [pid 2513] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2521] <... set_robust_list resumed>) = 0 [pid 2520] <... close resumed>) = 0 [pid 2518] <... mkdirat resumed>) = 0 [pid 2521] rt_sigprocmask(SIG_SETMASK, [] [pid 2520] write(1, "executing program\n", 18 executing program [pid 2518] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2521] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2520] <... write resumed>) = 18 [pid 2518] <... futex resumed>) = 1 [pid 2513] <... futex resumed>) = 0 [pid 2521] mkdirat(AT_FDCWD, "./config", 0777 [pid 2520] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2518] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2513] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2521] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2513] <... futex resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 2513] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2521] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2520] <... futex resumed>) = 0 [pid 2518] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2518] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2521] <... futex resumed>) = 1 [pid 2515] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2518] <... symlinkat resumed>) = 0 [pid 2520] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2515] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2518] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2520] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2518] <... futex resumed>) = 1 [pid 2515] <... futex resumed>) = 0 [pid 2513] <... futex resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2520] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2518] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2515] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2513] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2521] mount(NULL, "./config", "configfs", 0, NULL [pid 2513] <... futex resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2522 attached [pid 2520] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2518] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2513] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2522 [pid 2522] set_robust_list(0x5555810c5760, 24 [pid 2520] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2518] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2522] <... set_robust_list resumed>) = 0 [pid 2521] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2520] <... mmap resumed>) = 0x7f85c0c15000 [pid 2518] <... unlinkat resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2520] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2518] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2520] <... mprotect resumed>) = 0 [pid 2518] <... futex resumed>) = 1 [pid 2513] <... futex resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2518] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2513] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2521] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2515] <... futex resumed>) = 0 [pid 2521] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2515] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2521] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2515] <... futex resumed>) = 0 [pid 2513] <... futex resumed>) = 0 [pid 2521] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2520] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2518] <... unlinkat resumed>) = 0 [pid 2515] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2513] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2523 [pid 2521] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2520] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2518] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2513] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2521] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2520] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2518] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 2524 attached ci2-android-5-15/strace-static-x86_64: Process 2523 attached [pid 2522] rt_sigprocmask(SIG_SETMASK, [] [pid 2521] <... futex resumed>) = 1 [pid 2518] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2515] <... futex resumed>) = 0 [pid 2513] exit_group(0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2520] <... clone3 resumed> => {parent_tid=[2524]}, 88) = 2524 [pid 2513] <... exit_group resumed>) = ? [pid 2520] rt_sigprocmask(SIG_SETMASK, [] [pid 2518] <... futex resumed>) = ? [pid 2521] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2515] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2521] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2515] <... futex resumed>) = 0 [pid 2521] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2515] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2521] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2521] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2515] <... futex resumed>) = 0 [pid 2521] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2515] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2518] +++ exited with 0 +++ [pid 2513] +++ exited with 0 +++ [pid 2520] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2520] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2513, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2520] <... futex resumed>) = 0 [pid 2520] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2521] <... mkdirat resumed>) = 0 [pid 2515] <... futex resumed>) = 0 [pid 2523] set_robust_list(0x5555810c5760, 24 [pid 2521] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2515] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2523] <... set_robust_list resumed>) = 0 [pid 2522] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2521] <... futex resumed>) = 0 [pid 2515] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2523] rt_sigprocmask(SIG_SETMASK, [] [pid 2522] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2521] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2515] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2523] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2522] <... prctl resumed>) = 0 [pid 2521] <... symlinkat resumed>) = 0 [pid 2515] <... futex resumed>) = 0 [pid 2522] setpgid(0, 0 [pid 2521] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2523] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2515] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2523] <... prctl resumed>) = 0 [pid 2522] <... setpgid resumed>) = 0 [pid 2521] <... futex resumed>) = 0 [pid 2515] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2523] setpgid(0, 0 [pid 2522] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2521] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2515] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2523] <... setpgid resumed>) = 0 [pid 2522] <... openat resumed>) = 3 [pid 2521] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2515] <... futex resumed>) = 0 [pid 2523] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2522] write(3, "1000", 4 [pid 2521] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2515] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2523] <... openat resumed>) = 3 [pid 2522] <... write resumed>) = 4 [pid 2521] <... unlinkat resumed>) = 0 [pid 2523] write(3, "1000", 4 [pid 2522] close(3 [pid 2521] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2523] <... write resumed>) = 4 [pid 2522] <... close resumed>) = 0 [pid 2521] <... futex resumed>) = 1 [pid 2515] <... futex resumed>) = 0 [pid 2523] close(3 [pid 2522] write(1, "executing program\n", 18 executing program [pid 2521] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2515] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2523] <... close resumed>) = 0 [pid 2522] <... write resumed>) = 18 [pid 2521] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2515] <... futex resumed>) = 0 [pid 2523] write(1, "executing program\n", 18 [pid 2522] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 2521] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2515] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2523] <... write resumed>) = 18 [pid 2522] <... futex resumed>) = 0 [pid 2521] <... unlinkat resumed>) = 0 [pid 2523] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2522] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2521] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2523] <... futex resumed>) = 0 [pid 2522] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2521] <... futex resumed>) = 1 [pid 2515] <... futex resumed>) = 0 [pid 2524] set_robust_list(0x7f85c0c359a0, 24 [pid 2523] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2522] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2521] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2515] exit_group(0 [pid 2524] <... set_robust_list resumed>) = 0 [pid 2523] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2522] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2521] <... futex resumed>) = ? [pid 2515] <... exit_group resumed>) = ? [pid 2524] rt_sigprocmask(SIG_SETMASK, [] [pid 2523] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2522] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2521] +++ exited with 0 +++ [pid 2515] +++ exited with 0 +++ [pid 2524] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2523] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2522] <... mmap resumed>) = 0x7f85c0c15000 [pid 2523] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2522] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2524] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] <... restart_syscall resumed>) = 0 [pid 2523] <... mmap resumed>) = 0x7f85c0c15000 [pid 2522] <... mprotect resumed>) = 0 [pid 2524] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2523] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2522] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2515, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2524] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2523] <... mprotect resumed>) = 0 [pid 2522] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2523] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2522] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2520] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2524] <... futex resumed>) = 1 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2523] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2520] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2524] mount(NULL, "./config", "configfs", 0, NULL [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2523] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2522] <... clone3 resumed> => {parent_tid=[2525]}, 88) = 2525 [pid 2520] <... futex resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2522] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2522] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2520] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2522] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2526 attached [pid 2526] set_robust_list(0x5555810c5760, 24ci2-android-5-15/strace-static-x86_64: Process 2527 attached [pid 2527] set_robust_list(0x7f85c0c359a0, 24 [pid 2526] <... set_robust_list resumed>) = 0 [pid 2523] <... clone3 resumed> => {parent_tid=[2527]}, 88) = 2527 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2526 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2528 [pid 2523] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 2523] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2524] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2523] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2524] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2523] <... futex resumed>) = 0 [pid 2526] rt_sigprocmask(SIG_SETMASK, [] [pid 2524] <... futex resumed>) = 1 [pid 2523] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2520] <... futex resumed>) = 0 [pid 2527] <... set_robust_list resumed>) = 0 [pid 2520] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2524] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2520] <... futex resumed>) = 0 [pid 2520] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2524] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2524] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2527] rt_sigprocmask(SIG_SETMASK, [] [pid 2524] <... futex resumed>) = 1 [pid 2520] <... futex resumed>) = 0 [pid 2527] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2520] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2524] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2520] <... futex resumed>) = 0 [pid 2527] mkdirat(AT_FDCWD, "./config", 0777 [pid 2524] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2520] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2528 attached ci2-android-5-15/strace-static-x86_64: Process 2525 attached [pid 2524] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2520] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2524] <... futex resumed>) = 0 [pid 2520] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2524] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2520] <... futex resumed>) = 0 [pid 2526] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2526] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2524] <... mkdirat resumed>) = 0 [pid 2520] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2524] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2520] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2524] <... futex resumed>) = 0 [pid 2520] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2524] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2520] <... futex resumed>) = 0 [pid 2526] <... prctl resumed>) = 0 [pid 2526] setpgid(0, 0 [pid 2524] <... symlinkat resumed>) = 0 [pid 2520] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2524] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2520] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2524] <... futex resumed>) = 0 [pid 2520] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2524] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2520] <... futex resumed>) = 0 [pid 2526] <... setpgid resumed>) = 0 [pid 2524] <... unlinkat resumed>) = 0 [pid 2520] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2528] set_robust_list(0x5555810c5760, 24 [pid 2524] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2520] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2528] <... set_robust_list resumed>) = 0 [pid 2524] <... futex resumed>) = 0 [pid 2520] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2526] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2524] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2520] <... futex resumed>) = 0 [pid 2528] rt_sigprocmask(SIG_SETMASK, [] [pid 2527] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2525] set_robust_list(0x7f85c0c359a0, 24 [pid 2528] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2526] <... openat resumed>) = 3 [pid 2524] <... unlinkat resumed>) = 0 [pid 2520] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2524] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2520] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2528] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2524] <... futex resumed>) = 0 [pid 2520] exit_group(0 [pid 2526] write(3, "1000", 4 [pid 2528] <... prctl resumed>) = 0 [pid 2520] <... exit_group resumed>) = ? [pid 2526] <... write resumed>) = 4 [pid 2524] +++ exited with 0 +++ [pid 2526] close(3) = 0 [pid 2526] write(1, "executing program\n", 18) = 18 [pid 2526] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2526] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2526] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2520] +++ exited with 0 +++ [pid 2526] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2520, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2528] setpgid(0, 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2528] <... setpgid resumed>) = 0 executing program [pid 2526] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2526] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2528] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2527] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2526] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2525] <... set_robust_list resumed>) = 0 [pid 2526] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 2528] <... openat resumed>) = 3 [pid 2526] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2528] write(3, "1000", 4 [pid 2526] <... clone3 resumed> => {parent_tid=[2529]}, 88) = 2529 [pid 2528] <... write resumed>) = 4 [pid 2526] rt_sigprocmask(SIG_SETMASK, [] [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2526] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2528] close(3 [pid 2526] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2526] <... futex resumed>) = 0 [pid 2526] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2529 attached [pid 2529] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2528] <... close resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2530 [pid 2529] rt_sigprocmask(SIG_SETMASK, [] [pid 2528] write(1, "executing program\n", 18 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 2529] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2528] <... write resumed>) = 18 [pid 2528] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2529] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) executing program [pid 2529] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2526] <... futex resumed>) = 0 [pid 2526] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2526] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2528] <... futex resumed>) = 0 [pid 2529] <... futex resumed>) = 1 [pid 2529] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 2528] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2525] rt_sigprocmask(SIG_SETMASK, [] [pid 2527] <... futex resumed>) = 1 [pid 2523] <... futex resumed>) = 0 [pid 2529] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2526] <... futex resumed>) = 0 [pid 2526] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2523] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2528] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2527] mount(NULL, "./config", "configfs", 0, NULL [pid 2526] <... futex resumed>) = 0 [pid 2525] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2523] <... futex resumed>) = 0 [pid 2526] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2523] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2528] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2527] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2525] mkdirat(AT_FDCWD, "./config", 0777 [pid 2528] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2529] <... futex resumed>) = 1 [pid 2528] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2527] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2525] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2528] <... mmap resumed>) = 0x7f85c0c15000 [pid 2529] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2528] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2525] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2528] <... mprotect resumed>) = 0 [pid 2527] <... futex resumed>) = 1 [pid 2523] <... futex resumed>) = 0 [pid 2528] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2527] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2525] <... futex resumed>) = 1 [pid 2523] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2522] <... futex resumed>) = 0 [pid 2528] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2527] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2525] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2523] <... futex resumed>) = 0 [pid 2522] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2528] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2527] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2525] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2523] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2522] <... futex resumed>) = 0 [pid 2527] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2525] mount(NULL, "./config", "configfs", 0, NULL [pid 2522] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2528] <... clone3 resumed> => {parent_tid=[2531]}, 88) = 2531 [pid 2529] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2528] rt_sigprocmask(SIG_SETMASK, [] [pid 2529] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2528] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2527] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2528] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2525] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2528] <... futex resumed>) = 0 [pid 2525] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2523] <... futex resumed>) = 0 [pid 2528] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2527] <... futex resumed>) = 1 [pid 2525] <... futex resumed>) = 1 [pid 2523] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2522] <... futex resumed>) = 0 [pid 2527] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2525] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2523] <... futex resumed>) = 0 [pid 2522] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2527] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2525] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2523] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2522] <... futex resumed>) = 0 [pid 2527] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2525] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2522] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2527] <... futex resumed>) = 1 [pid 2526] <... futex resumed>) = 0 [pid 2525] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2523] <... futex resumed>) = 0 [pid 2526] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2523] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2527] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2529] <... futex resumed>) = 1 [pid 2526] <... futex resumed>) = 0 [pid 2525] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2523] <... futex resumed>) = 0 [pid 2529] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2526] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2523] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2529] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2527] <... mkdirat resumed>) = 0 [pid 2525] <... futex resumed>) = 1 [pid 2522] <... futex resumed>) = 0 [pid 2529] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2527] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2525] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2522] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2529] <... futex resumed>) = 1 [pid 2527] <... futex resumed>) = 1 [pid 2526] <... futex resumed>) = 0 [pid 2525] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2523] <... futex resumed>) = 0 [pid 2522] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2531 attached [pid 2529] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2527] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2526] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2525] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2523] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2522] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2529] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2527] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2526] <... futex resumed>) = 0 [pid 2525] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2523] <... futex resumed>) = 0 [pid 2529] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2527] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2526] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2525] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2523] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2529] <... futex resumed>) = 0 [pid 2527] <... symlinkat resumed>) = 0 [pid 2526] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2525] <... futex resumed>) = 1 [pid 2522] <... futex resumed>) = 0 [pid 2529] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2527] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2526] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2525] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2522] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2530 attached [pid 2531] set_robust_list(0x7f85c0c359a0, 24 [pid 2529] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 2527] <... futex resumed>) = 1 [pid 2526] <... futex resumed>) = 0 [pid 2525] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2523] <... futex resumed>) = 0 [pid 2522] <... futex resumed>) = 0 [pid 2531] <... set_robust_list resumed>) = 0 [pid 2530] set_robust_list(0x5555810c5760, 24 [pid 2529] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2527] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2526] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2525] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2523] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2522] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2531] rt_sigprocmask(SIG_SETMASK, [] [pid 2530] <... set_robust_list resumed>) = 0 [pid 2529] <... futex resumed>) = 0 [pid 2527] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2526] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2525] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2523] <... futex resumed>) = 0 [pid 2531] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2530] rt_sigprocmask(SIG_SETMASK, [] [pid 2529] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2527] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2526] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2525] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2523] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2531] mkdirat(AT_FDCWD, "./config", 0777 [pid 2530] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2529] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2527] <... unlinkat resumed>) = 0 [pid 2526] <... futex resumed>) = 0 [pid 2525] <... futex resumed>) = 1 [pid 2522] <... futex resumed>) = 0 [pid 2531] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2530] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2529] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2527] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2526] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2525] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2522] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2531] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2530] <... prctl resumed>) = 0 [pid 2525] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2522] <... futex resumed>) = 0 [pid 2531] <... futex resumed>) = 1 [pid 2530] setpgid(0, 0 [pid 2529] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2528] <... futex resumed>) = 0 [pid 2527] <... futex resumed>) = 1 [pid 2525] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2523] <... futex resumed>) = 0 [pid 2522] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2531] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2530] <... setpgid resumed>) = 0 [pid 2529] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2528] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2527] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2531] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2529] <... futex resumed>) = 1 [pid 2528] <... futex resumed>) = 0 [pid 2526] <... futex resumed>) = 0 [pid 2527] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2525] <... symlinkat resumed>) = 0 [pid 2523] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2531] mount(NULL, "./config", "configfs", 0, NULL [pid 2530] <... openat resumed>) = 3 [pid 2529] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2528] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2527] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2526] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2525] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2523] <... futex resumed>) = 0 [pid 2531] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2530] write(3, "1000", 4 [pid 2529] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2527] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 2526] <... futex resumed>) = 0 [pid 2525] <... futex resumed>) = 1 [pid 2522] <... futex resumed>) = 0 [pid 2523] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2531] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2530] <... write resumed>) = 4 [pid 2529] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2527] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2526] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2525] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2523] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2522] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2531] <... futex resumed>) = 1 [pid 2530] close(3 [pid 2529] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 2528] <... futex resumed>) = 0 [pid 2527] <... futex resumed>) = 0 [pid 2525] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2523] exit_group(0 [pid 2522] <... futex resumed>) = 0 [pid 2531] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2530] <... close resumed>) = 0 [pid 2529] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2528] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2525] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2523] <... exit_group resumed>) = ? [pid 2522] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2531] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2530] write(1, "executing program\n", 18 [pid 2529] <... futex resumed>) = 1 [pid 2528] <... futex resumed>) = 0 [pid 2527] +++ exited with 0 +++ [pid 2526] <... futex resumed>) = 0 [pid 2525] <... unlinkat resumed>) = 0 [pid 2530] <... write resumed>) = 18 [pid 2526] exit_group(0 [pid 2530] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2526] <... exit_group resumed>) = ? [pid 2530] <... futex resumed>) = 0 [pid 2530] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2523] +++ exited with 0 +++ executing program [pid 2530] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2531] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2530] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2528] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2525] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2523, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2531] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2530] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2530] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2530] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2530] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2529] +++ exited with 0 +++ [pid 2526] +++ exited with 0 +++ [pid 2525] <... futex resumed>) = 1 [pid 2522] <... futex resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2531] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2530] <... clone3 resumed> => {parent_tid=[2532]}, 88) = 2532 [pid 2525] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2522] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2531] <... futex resumed>) = 1 [pid 2530] rt_sigprocmask(SIG_SETMASK, [] [pid 2528] <... futex resumed>) = 0 [pid 2525] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2522] <... futex resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2526, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2531] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2530] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2528] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2525] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2522] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2531] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2530] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2528] <... futex resumed>) = 0 [pid 2531] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2530] <... futex resumed>) = 0 [pid 2528] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2525] <... unlinkat resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 2531] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2530] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2525] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2531] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2525] <... futex resumed>) = 1 [pid 2522] <... futex resumed>) = 0 [pid 2522] exit_group(0 [pid 2525] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2531] <... futex resumed>) = 1 [pid 2528] <... futex resumed>) = 0 [pid 2522] <... exit_group resumed>) = ? [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2525] +++ exited with 0 +++ [pid 2531] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2528] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2522] +++ exited with 0 +++ [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2528] <... futex resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2522, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2528] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 2532 attached [pid 2532] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2532] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2532] mkdirat(AT_FDCWD, "./config", 0777 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2531] <... mkdirat resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2533 [pid 2532] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2532] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2530] <... futex resumed>) = 0 [pid 2530] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2530] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2531] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2534 [pid 2531] <... futex resumed>) = 1 [pid 2528] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2531] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2528] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 2531] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2528] <... futex resumed>) = 0 [pid 2531] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2528] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2532] <... futex resumed>) = 1 [pid 2532] mount(NULL, "./config", "configfs", 0, NULL [pid 2531] <... symlinkat resumed>) = 0 [pid 2532] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2531] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2532] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2531] <... futex resumed>) = 1 [pid 2528] <... futex resumed>) = 0 [pid 2531] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2528] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2531] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2528] <... futex resumed>) = 0 [pid 2531] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0ci2-android-5-15/strace-static-x86_64: Process 2534 attached [pid 2528] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2531] <... unlinkat resumed>) = 0 [pid 2531] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2530] <... futex resumed>) = 0 [pid 2531] <... futex resumed>) = 1 [pid 2530] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2528] <... futex resumed>) = 0 [pid 2531] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2530] <... futex resumed>) = 0 [pid 2528] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2531] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2530] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2528] <... futex resumed>) = 0 [pid 2531] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2528] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2532] <... futex resumed>) = 1 [pid 2532] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2531] <... unlinkat resumed>) = 0 [pid 2532] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2531] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2532] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2531] <... futex resumed>) = 1 [pid 2528] <... futex resumed>) = 0 [pid 2531] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2528] exit_group(0 [pid 2532] <... futex resumed>) = 1 [pid 2531] <... futex resumed>) = ? [pid 2530] <... futex resumed>) = 0 [pid 2528] <... exit_group resumed>) = ? [pid 2534] set_robust_list(0x5555810c5760, 24 [pid 2532] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2531] +++ exited with 0 +++ [pid 2530] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2532] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2530] <... futex resumed>) = 0 [pid 2532] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2530] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2532] <... futex resumed>) = 0 [pid 2530] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2532] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2530] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2532] <... mkdirat resumed>) = 0 [pid 2530] <... futex resumed>) = 0 [pid 2528] +++ exited with 0 +++ [pid 2532] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2530] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2532] <... futex resumed>) = 0 [pid 2530] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2528, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2534] <... set_robust_list resumed>) = 0 [pid 2530] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2532] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2530] <... futex resumed>) = 0 [pid 2532] <... symlinkat resumed>) = 0 [pid 2530] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2532] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2530] <... futex resumed>) = 0 [pid 2530] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2532] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2530] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2532] <... unlinkat resumed>) = 0 [pid 2534] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 2533 attached [pid 2532] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2533] set_robust_list(0x5555810c5760, 24 [pid 2532] <... futex resumed>) = 1 [pid 2530] <... futex resumed>) = 0 [pid 2533] <... set_robust_list resumed>) = 0 [pid 2534] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2532] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2530] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2534] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2533] rt_sigprocmask(SIG_SETMASK, [] [pid 2532] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2530] <... futex resumed>) = 0 [pid 2534] <... prctl resumed>) = 0 [pid 2533] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2532] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2530] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2534] setpgid(0, 0 [pid 2533] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2532] <... unlinkat resumed>) = 0 [pid 2533] <... prctl resumed>) = 0 [pid 2532] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2533] setpgid(0, 0 [pid 2534] <... setpgid resumed>) = 0 [pid 2532] <... futex resumed>) = 1 [pid 2530] <... futex resumed>) = 0 [pid 2533] <... setpgid resumed>) = 0 [pid 2532] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2530] exit_group(0 [pid 2534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2530] <... exit_group resumed>) = ? [pid 2533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2532] <... futex resumed>) = ? [pid 2534] <... openat resumed>) = 3 [pid 2533] <... openat resumed>) = 3 [pid 2532] +++ exited with 0 +++ [pid 2530] +++ exited with 0 +++ [pid 2534] write(3, "1000", 4 [pid 306] <... restart_syscall resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2530, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2534] <... write resumed>) = 4 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2533] write(3, "1000", 4 [pid 2534] close(3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2533] <... write resumed>) = 4 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2534] <... close resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2534] write(1, "executing program\n", 18 [pid 2533] close(3) = 0 [pid 2533] write(1, "executing program\n", 18) = 18 [pid 2533] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2533] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2535 [pid 2534] <... write resumed>) = 18 executing program executing program [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2534] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2534] <... futex resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2534] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2533] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2533] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2533] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2533] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2534] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2533] <... mprotect resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2536 [pid 2533] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2534] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2533] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 2533] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0}ci2-android-5-15/strace-static-x86_64: Process 2537 attached ci2-android-5-15/strace-static-x86_64: Process 2536 attached [pid 2534] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2533] <... clone3 resumed> => {parent_tid=[2537]}, 88) = 2537 [pid 2533] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2533] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2536] set_robust_list(0x5555810c5760, 24 [pid 2534] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2533] <... futex resumed>) = 0 [pid 2533] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2535 attached [pid 2534] <... mmap resumed>) = 0x7f85c0c15000 [pid 2535] set_robust_list(0x5555810c5760, 24) = 0 [pid 2535] rt_sigprocmask(SIG_SETMASK, [] [pid 2536] <... set_robust_list resumed>) = 0 [pid 2534] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2537] set_robust_list(0x7f85c0c359a0, 24 [pid 2535] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2535] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2534] <... mprotect resumed>) = 0 [pid 2535] <... prctl resumed>) = 0 [pid 2535] setpgid(0, 0 [pid 2534] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2535] <... setpgid resumed>) = 0 [pid 2534] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2535] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2534] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2535] <... openat resumed>) = 3 [pid 2535] write(3, "1000", 4 [pid 2534] <... clone3 resumed> => {parent_tid=[2538]}, 88) = 2538 [pid 2535] <... write resumed>) = 4 [pid 2534] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2535] close(3 [pid 2534] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2535] <... close resumed>) = 0 [pid 2534] <... futex resumed>) = 0 executing program [pid 2535] write(1, "executing program\n", 18 [pid 2534] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2535] <... write resumed>) = 18 [pid 2535] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2535] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2537] <... set_robust_list resumed>) = 0 [pid 2536] rt_sigprocmask(SIG_SETMASK, [] [pid 2535] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2535] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2535] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2536] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2535] <... mmap resumed>) = 0x7f85c0c15000 [pid 2535] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2535] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2536] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2535] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2535] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0}ci2-android-5-15/strace-static-x86_64: Process 2539 attached [pid 2537] rt_sigprocmask(SIG_SETMASK, [] [pid 2536] <... prctl resumed>) = 0 [pid 2535] <... clone3 resumed> => {parent_tid=[2539]}, 88) = 2539 [pid 311] <... restart_syscall resumed>) = 0 [pid 2535] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2535] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2535] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2536] setpgid(0, 0ci2-android-5-15/strace-static-x86_64: Process 2538 attached [pid 2538] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2538] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2538] mkdirat(AT_FDCWD, "./config", 0777 [pid 2536] <... setpgid resumed>) = 0 [pid 2538] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2538] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2536] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2538] <... futex resumed>) = 1 [pid 2538] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2539] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2539] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2539] mkdirat(AT_FDCWD, "./config", 0777 [pid 2534] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2536] <... openat resumed>) = 3 [pid 2534] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2539] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2539] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2535] <... futex resumed>) = 0 [pid 2534] <... futex resumed>) = 1 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2537] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2536] write(3, "1000", 4 [pid 2534] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2535] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2535] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2538] <... futex resumed>) = 0 [pid 2538] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 2538] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2536] <... write resumed>) = 4 [pid 2537] mkdirat(AT_FDCWD, "./config", 0777 [pid 2536] close(3 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2540 [pid 2536] <... close resumed>) = 0 [pid 2538] <... futex resumed>) = 1 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 2534] <... futex resumed>) = 0 [pid 2537] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2536] write(1, "executing program\n", 18 [pid 2534] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 2537] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2536] <... write resumed>) = 18 [pid 2534] <... futex resumed>) = 0 [pid 2539] <... futex resumed>) = 1 [pid 2538] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2537] <... futex resumed>) = 1 [pid 2536] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2534] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2533] <... futex resumed>) = 0 [pid 2539] mount(NULL, "./config", "configfs", 0, NULL [pid 2538] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2537] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2536] <... futex resumed>) = 0 [pid 2533] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2540 attached [pid 2539] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2538] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2537] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2536] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2533] <... futex resumed>) = 0 [pid 2539] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2538] <... futex resumed>) = 1 [pid 2533] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2539] <... futex resumed>) = 1 [pid 2538] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2535] <... futex resumed>) = 0 [pid 2539] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2535] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2539] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2537] mount(NULL, "./config", "configfs", 0, NULL [pid 2536] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2535] <... futex resumed>) = 0 [pid 2534] <... futex resumed>) = 0 [pid 2539] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2535] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2539] <... futex resumed>) = 0 [pid 2535] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2539] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2535] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2539] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2535] <... futex resumed>) = 0 [pid 2539] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2535] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2539] <... futex resumed>) = 0 [pid 2535] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2539] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2535] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2540] set_robust_list(0x5555810c5760, 24 [pid 2539] <... mkdirat resumed>) = 0 [pid 2537] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2536] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2535] <... futex resumed>) = 0 [pid 2534] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2539] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2537] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2536] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2535] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2534] <... futex resumed>) = 1 [pid 2539] <... futex resumed>) = 0 [pid 2538] <... futex resumed>) = 0 [pid 2537] <... futex resumed>) = 1 [pid 2536] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2535] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2534] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2533] <... futex resumed>) = 0 [pid 2539] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2538] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2537] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2536] <... mmap resumed>) = 0x7f85c0c15000 [pid 2535] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2533] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2539] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2538] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2537] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2536] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2535] <... futex resumed>) = 0 [pid 2533] <... futex resumed>) = 0 [pid 2539] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2538] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2537] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2536] <... mprotect resumed>) = 0 [pid 2535] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2533] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2539] <... symlinkat resumed>) = 0 [pid 2538] <... futex resumed>) = 1 [pid 2537] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2536] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2534] <... futex resumed>) = 0 [pid 2540] <... set_robust_list resumed>) = 0 [pid 2539] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2538] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2537] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2536] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2534] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2539] <... futex resumed>) = 1 [pid 2538] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2537] <... futex resumed>) = 1 [pid 2536] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2535] <... futex resumed>) = 0 [pid 2534] <... futex resumed>) = 0 [pid 2533] <... futex resumed>) = 0 [pid 2539] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2538] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2537] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2535] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2533] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2539] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2538] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2537] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2535] <... futex resumed>) = 0 [pid 2534] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2533] <... futex resumed>) = 0 [pid 2539] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2538] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2537] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2536] <... clone3 resumed> => {parent_tid=[2541]}, 88) = 2541 [pid 2535] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2534] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2533] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2540] rt_sigprocmask(SIG_SETMASK, [] [pid 2539] <... unlinkat resumed>) = 0 [pid 2538] <... futex resumed>) = 0 [pid 2537] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2536] rt_sigprocmask(SIG_SETMASK, [] [pid 2534] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2539] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2538] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2537] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2536] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2534] <... futex resumed>) = 0 [pid 2539] <... futex resumed>) = 1 [pid 2537] <... futex resumed>) = 1 [pid 2536] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2535] <... futex resumed>) = 0 [pid 2534] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2533] <... futex resumed>) = 0 [pid 2539] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2538] <... symlinkat resumed>) = 0 [pid 2537] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2536] <... futex resumed>) = 0 [pid 2535] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2533] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2540] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2539] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2538] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2537] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2536] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2535] <... futex resumed>) = 0 [pid 2533] <... futex resumed>) = 0 [pid 2539] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2538] <... futex resumed>) = 1 [pid 2537] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2535] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2534] <... futex resumed>) = 0 [pid 2533] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2539] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 2538] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2537] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2534] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2539] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2538] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2537] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2534] <... futex resumed>) = 0 [pid 2539] <... futex resumed>) = 1 [pid 2538] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2537] <... futex resumed>) = 1 [pid 2535] <... futex resumed>) = 0 [pid 2534] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2533] <... futex resumed>) = 0 [pid 2539] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2538] <... unlinkat resumed>) = 0 [pid 2537] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2535] exit_group(0 [pid 2533] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2541 attached [pid 2540] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2539] <... futex resumed>) = ? [pid 2538] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2537] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2535] <... exit_group resumed>) = ? [pid 2533] <... futex resumed>) = 0 [pid 2541] set_robust_list(0x7f85c0c359a0, 24 [pid 2540] <... prctl resumed>) = 0 [pid 2539] +++ exited with 0 +++ [pid 2538] <... futex resumed>) = 1 [pid 2537] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2535] +++ exited with 0 +++ [pid 2534] <... futex resumed>) = 0 [pid 2533] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2540] setpgid(0, 0 [pid 2538] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2537] <... symlinkat resumed>) = 0 [pid 2534] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2540] <... setpgid resumed>) = 0 [pid 2538] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2537] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2534] <... futex resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2535, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2538] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2537] <... futex resumed>) = 1 [pid 2534] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2533] <... futex resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2540] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2538] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 2537] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2533] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2538] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2537] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2533] <... futex resumed>) = 0 [pid 2538] <... futex resumed>) = 1 [pid 2537] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2534] <... futex resumed>) = 0 [pid 2533] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2540] <... openat resumed>) = 3 [pid 2538] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2537] <... unlinkat resumed>) = 0 [pid 2534] exit_group(0 [pid 2537] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2540] write(3, "1000", 4 [pid 2538] <... futex resumed>) = ? [pid 2537] <... futex resumed>) = 1 [pid 2534] <... exit_group resumed>) = ? [pid 2533] <... futex resumed>) = 0 [pid 2538] +++ exited with 0 +++ [pid 2537] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2541] <... set_robust_list resumed>) = 0 [pid 2541] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2541] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 2541] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2536] <... futex resumed>) = 0 [pid 2534] +++ exited with 0 +++ [pid 2541] mount(NULL, "./config", "configfs", 0, NULL [pid 2536] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2537] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2533] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2541] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2540] <... write resumed>) = 4 [pid 2537] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2536] <... futex resumed>) = 0 [pid 2533] <... futex resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2534, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2541] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2540] close(3 [pid 2537] <... unlinkat resumed>) = 0 [pid 2536] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2533] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2541] <... futex resumed>) = 0 [pid 2540] <... close resumed>) = 0 [pid 2537] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2536] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2533] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2541] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2540] write(1, "executing program\n", 18 [pid 2537] <... futex resumed>) = 0 executing program [pid 2536] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2541] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2540] <... write resumed>) = 18 [pid 2537] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2536] <... futex resumed>) = 0 [pid 2533] exit_group(0 [pid 2541] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2540] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2536] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2533] <... exit_group resumed>) = ? [pid 2541] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2537] <... futex resumed>) = ? [pid 2541] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2540] <... futex resumed>) = 0 [pid 2541] <... futex resumed>) = 1 [pid 2536] <... futex resumed>) = 0 [pid 2541] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2536] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2541] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2536] <... futex resumed>) = 0 [pid 2541] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2536] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2541] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2541] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2537] +++ exited with 0 +++ [pid 2533] +++ exited with 0 +++ [pid 2541] <... futex resumed>) = 1 [pid 2536] <... futex resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 2541] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2540] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2536] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2533, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2541] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2536] <... futex resumed>) = 0 [pid 2541] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2540] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2536] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2541] <... mkdirat resumed>) = 0 [pid 2541] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2536] <... futex resumed>) = 0 [pid 2541] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2536] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2541] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2536] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2541] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2540] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2536] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2541] <... symlinkat resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 2540] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 2541] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2540] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2541] <... futex resumed>) = 1 [pid 2540] <... mmap resumed>) = 0x7f85c0c15000 [pid 2536] <... futex resumed>) = 0 [pid 2541] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2536] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2541] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2536] <... futex resumed>) = 0 [pid 2541] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2536] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2541] <... unlinkat resumed>) = 0 [pid 2540] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2542 [pid 2541] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2536] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2541] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2540] <... mprotect resumed>) = 0 [pid 2536] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2541] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2540] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2536] <... futex resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2541] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2540] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2536] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2541] <... unlinkat resumed>) = 0 [pid 2541] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2536] <... futex resumed>) = 0 [pid 2541] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2536] exit_group(0 [pid 2541] <... futex resumed>) = ? [pid 2536] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 2544 attached ci2-android-5-15/strace-static-x86_64: Process 2542 attached [pid 2541] +++ exited with 0 +++ [pid 2540] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2536] +++ exited with 0 +++ [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2543 ci2-android-5-15/strace-static-x86_64: Process 2543 attached [pid 2543] set_robust_list(0x5555810c5760, 24) = 0 [pid 2540] <... clone3 resumed> => {parent_tid=[2545]}, 88) = 2545 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2536, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2544 [pid 2540] rt_sigprocmask(SIG_SETMASK, [] [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2540] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 2543] rt_sigprocmask(SIG_SETMASK, [] [pid 2540] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2540] <... futex resumed>) = 0 [pid 2543] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2540] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2543] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2543] setpgid(0, 0) = 0 [pid 2543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2542] set_robust_list(0x5555810c5760, 24 [pid 2544] set_robust_list(0x5555810c5760, 24) = 0 [pid 2543] <... openat resumed>) = 3 [pid 2542] <... set_robust_list resumed>) = 0 [pid 2543] write(3, "1000", 4) = 4 [pid 2543] close(3) = 0 executing program [pid 2543] write(1, "executing program\n", 18) = 18 [pid 2543] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2543] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2544] rt_sigprocmask(SIG_SETMASK, [] [pid 2542] rt_sigprocmask(SIG_SETMASK, [] [pid 2543] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2543] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2544] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2542] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2544] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2543] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2544] <... prctl resumed>) = 0 [pid 2542] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2543] <... mmap resumed>) = 0x7f85c0c15000 [pid 2543] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2542] <... prctl resumed>) = 0 [pid 2544] setpgid(0, 0 [pid 2542] setpgid(0, 0 [pid 2544] <... setpgid resumed>) = 0 [pid 2543] <... mprotect resumed>) = 0 [pid 2542] <... setpgid resumed>) = 0 [pid 2543] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2542] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2544] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2543] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2543] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2542] <... openat resumed>) = 3 [pid 2544] <... openat resumed>) = 3 [pid 2542] write(3, "1000", 4 [pid 2543] <... clone3 resumed> => {parent_tid=[2546]}, 88) = 2546 [pid 2543] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 2546 attached [pid 2544] write(3, "1000", 4 [pid 2543] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2542] <... write resumed>) = 4 [pid 2543] <... futex resumed>) = 0 [pid 2543] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2545 attached [pid 2545] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2542] close(3 [pid 2544] <... write resumed>) = 4 [pid 2545] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2545] mkdirat(AT_FDCWD, "./config", 0777 [pid 2546] set_robust_list(0x7f85c0c359a0, 24 [pid 2544] close(3 [pid 2542] <... close resumed>) = 0 [pid 2545] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2545] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2540] <... futex resumed>) = 0 [pid 2544] <... close resumed>) = 0 [pid 2542] write(1, "executing program\n", 18 [pid 2540] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 2545] mount(NULL, "./config", "configfs", 0, NULL [pid 2540] <... futex resumed>) = 0 [pid 2544] write(1, "executing program\n", 18 [pid 2542] <... write resumed>) = 18 [pid 2540] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2544] <... write resumed>) = 18 executing program [pid 2542] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2545] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2545] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2540] <... futex resumed>) = 0 [pid 2542] <... futex resumed>) = 0 [pid 2544] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2542] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2540] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2544] <... futex resumed>) = 0 [pid 2542] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2540] <... futex resumed>) = 0 [pid 2544] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2542] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2540] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2544] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2542] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2545] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2544] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2542] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2544] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2542] <... mmap resumed>) = 0x7f85c0c15000 [pid 2544] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2542] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 312] <... restart_syscall resumed>) = 0 [pid 2544] <... mmap resumed>) = 0x7f85c0c15000 [pid 2544] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2542] <... mprotect resumed>) = 0 [pid 2544] <... mprotect resumed>) = 0 [pid 2545] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2542] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2544] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2542] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2544] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2542] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2544] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2545] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2545] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2546] <... set_robust_list resumed>) = 0 [pid 2546] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2546] mkdirat(AT_FDCWD, "./config", 0777 [pid 2540] <... futex resumed>) = 0 [pid 2540] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2542] <... clone3 resumed> => {parent_tid=[2548]}, 88) = 2548 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2547 [pid 2540] <... futex resumed>) = 1 [pid 2546] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2545] <... futex resumed>) = 0 [pid 2542] rt_sigprocmask(SIG_SETMASK, [] [pid 2540] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 2542] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2544] <... clone3 resumed> => {parent_tid=[2549]}, 88) = 2549 [pid 2542] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2544] rt_sigprocmask(SIG_SETMASK, [] [pid 2542] <... futex resumed>) = 0 [pid 2544] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2542] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2544] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2546] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2545] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2544] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2549 attached ci2-android-5-15/strace-static-x86_64: Process 2548 attached [pid 2546] <... futex resumed>) = 1 [pid 2545] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2544] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2543] <... futex resumed>) = 0 [pid 2546] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2545] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2543] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2546] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2545] <... futex resumed>) = 1 [pid 2543] <... futex resumed>) = 0 [pid 2540] <... futex resumed>) = 0 [pid 2549] set_robust_list(0x7f85c0c359a0, 24 [pid 2548] set_robust_list(0x7f85c0c359a0, 24 [pid 2546] mount(NULL, "./config", "configfs", 0, NULL [pid 2545] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2543] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2540] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2549] <... set_robust_list resumed>) = 0 [pid 2546] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2545] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2540] <... futex resumed>) = 0 [pid 2546] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2545] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2549] rt_sigprocmask(SIG_SETMASK, [] [pid 2548] <... set_robust_list resumed>) = 0 [pid 2546] <... futex resumed>) = 1 [pid 2545] <... mkdirat resumed>) = 0 [pid 2543] <... futex resumed>) = 0 [pid 2540] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2546] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2545] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2543] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2547 attached [pid 2546] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2545] <... futex resumed>) = 0 [pid 2543] <... futex resumed>) = 0 [pid 2540] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2547] set_robust_list(0x5555810c5760, 24 [pid 2546] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2545] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2543] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2540] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2547] <... set_robust_list resumed>) = 0 [pid 2546] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2545] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2540] <... futex resumed>) = 0 [pid 2549] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2547] rt_sigprocmask(SIG_SETMASK, [] [pid 2546] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2545] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2540] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2549] mkdirat(AT_FDCWD, "./config", 0777 [pid 2548] rt_sigprocmask(SIG_SETMASK, [] [pid 2547] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2546] <... futex resumed>) = 1 [pid 2545] <... symlinkat resumed>) = 0 [pid 2543] <... futex resumed>) = 0 [pid 2549] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2548] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2547] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2546] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2545] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2543] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2547] <... prctl resumed>) = 0 [pid 2546] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2545] <... futex resumed>) = 1 [pid 2543] <... futex resumed>) = 0 [pid 2540] <... futex resumed>) = 0 [pid 2547] setpgid(0, 0 [pid 2546] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2545] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2543] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2547] <... setpgid resumed>) = 0 [pid 2546] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2545] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2540] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2549] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2548] mkdirat(AT_FDCWD, "./config", 0777 [pid 2547] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2546] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2545] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2540] <... futex resumed>) = 0 [pid 2549] <... futex resumed>) = 1 [pid 2548] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2547] <... openat resumed>) = 3 [pid 2546] <... futex resumed>) = 1 [pid 2544] <... futex resumed>) = 0 [pid 2543] <... futex resumed>) = 0 [pid 2548] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2547] write(3, "1000", 4 [pid 2546] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2549] mount(NULL, "./config", "configfs", 0, NULL [pid 2545] <... unlinkat resumed>) = 0 [pid 2544] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2543] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2540] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2547] <... write resumed>) = 4 [pid 2546] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2545] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2544] <... futex resumed>) = 0 [pid 2543] <... futex resumed>) = 0 [pid 2548] <... futex resumed>) = 1 [pid 2542] <... futex resumed>) = 0 [pid 2540] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2549] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2548] mount(NULL, "./config", "configfs", 0, NULL [pid 2547] close(3 [pid 2546] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2545] <... futex resumed>) = 0 [pid 2544] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2543] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2542] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2540] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2549] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2548] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2547] <... close resumed>) = 0 [pid 2546] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2545] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2542] <... futex resumed>) = 0 [pid 2540] <... futex resumed>) = 0 [pid 2547] write(1, "executing program\n", 18 [pid 2549] <... futex resumed>) = 1 executing program [pid 2548] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2546] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2545] <... unlinkat resumed>) = 0 [pid 2544] <... futex resumed>) = 0 [pid 2542] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2540] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2549] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2548] <... futex resumed>) = 0 [pid 2547] <... write resumed>) = 18 [pid 2546] <... futex resumed>) = 1 [pid 2545] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2544] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2543] <... futex resumed>) = 0 [pid 2542] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2540] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2549] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2548] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2547] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2546] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2545] <... futex resumed>) = 0 [pid 2544] <... futex resumed>) = 0 [pid 2543] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2542] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2540] exit_group(0 [pid 2549] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2548] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2547] <... futex resumed>) = 0 [pid 2546] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2544] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2545] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2543] <... futex resumed>) = 0 [pid 2545] <... futex resumed>) = ? [pid 2549] <... futex resumed>) = 0 [pid 2548] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2547] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2546] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2545] +++ exited with 0 +++ [pid 2544] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2543] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2542] <... futex resumed>) = 0 [pid 2540] <... exit_group resumed>) = ? [pid 2549] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2548] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2547] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2546] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2544] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2542] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2547] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2546] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2547] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2546] <... futex resumed>) = 1 [pid 2543] <... futex resumed>) = 0 [pid 2547] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2546] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2543] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2540] +++ exited with 0 +++ [pid 2549] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2548] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2547] <... mmap resumed>) = 0x7f85c0c15000 [pid 2546] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2544] <... futex resumed>) = 0 [pid 2543] <... futex resumed>) = 0 [pid 2549] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2548] <... futex resumed>) = 1 [pid 2547] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2546] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2544] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2543] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2542] <... futex resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2540, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2549] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2548] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2547] <... mprotect resumed>) = 0 [pid 2546] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2542] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2549] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2548] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2547] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2546] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2542] <... futex resumed>) = 0 [pid 2549] <... futex resumed>) = 1 [pid 2548] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2547] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2546] <... futex resumed>) = 1 [pid 2544] <... futex resumed>) = 0 [pid 2543] <... futex resumed>) = 0 [pid 2542] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2549] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2548] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2547] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2546] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2544] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2543] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2549] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2548] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2546] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2544] <... futex resumed>) = 0 [pid 2543] <... futex resumed>) = 0 [pid 2549] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2548] <... futex resumed>) = 1 [pid 2547] <... clone3 resumed> => {parent_tid=[2550]}, 88) = 2550 [pid 2546] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2544] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2543] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2542] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2550 attached [pid 2549] <... mkdirat resumed>) = 0 [pid 2548] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2547] rt_sigprocmask(SIG_SETMASK, [] [pid 2546] <... unlinkat resumed>) = 0 [pid 2542] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2549] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2548] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2547] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2546] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2542] <... futex resumed>) = 0 [pid 2550] set_robust_list(0x7f85c0c359a0, 24 [pid 2549] <... futex resumed>) = 1 [pid 2548] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2547] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2546] <... futex resumed>) = 1 [pid 2544] <... futex resumed>) = 0 [pid 2543] <... futex resumed>) = 0 [pid 2542] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2549] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2548] <... mkdirat resumed>) = 0 [pid 2547] <... futex resumed>) = 0 [pid 2546] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2544] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2543] exit_group(0 [pid 2549] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2548] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2547] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2546] <... futex resumed>) = ? [pid 2544] <... futex resumed>) = 0 [pid 2543] <... exit_group resumed>) = ? [pid 2550] <... set_robust_list resumed>) = 0 [pid 2549] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2548] <... futex resumed>) = 1 [pid 2546] +++ exited with 0 +++ [pid 2544] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2543] +++ exited with 0 +++ [pid 2542] <... futex resumed>) = 0 [pid 2550] rt_sigprocmask(SIG_SETMASK, [] [pid 2549] <... symlinkat resumed>) = 0 [pid 2549] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2548] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2542] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2543, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2549] <... futex resumed>) = 1 [pid 2544] <... futex resumed>) = 0 [pid 2542] <... futex resumed>) = 0 [pid 2549] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2548] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 2544] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2542] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2549] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2548] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2544] <... futex resumed>) = 0 [pid 2542] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2549] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2548] <... futex resumed>) = 0 [pid 2544] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2542] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2550] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2549] <... unlinkat resumed>) = 0 [pid 2542] <... futex resumed>) = 0 [pid 2549] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2548] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2542] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2549] <... futex resumed>) = 1 [pid 2544] <... futex resumed>) = 0 [pid 2549] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2548] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2544] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2549] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2548] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2549] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2544] <... futex resumed>) = 0 [pid 2548] <... futex resumed>) = 1 [pid 2542] <... futex resumed>) = 0 [pid 2550] mkdirat(AT_FDCWD, "./config", 0777 [pid 2549] <... unlinkat resumed>) = 0 [pid 2542] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2548] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2544] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2549] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2548] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2544] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2542] <... futex resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 2549] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2548] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2544] exit_group(0 [pid 2542] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2549] <... futex resumed>) = ? [pid 2548] <... futex resumed>) = 0 [pid 2544] <... exit_group resumed>) = ? [pid 2542] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2548] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2550] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2550] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2542] exit_group(0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2550] <... futex resumed>) = 1 [pid 2547] <... futex resumed>) = 0 [pid 2550] mount(NULL, "./config", "configfs", 0, NULL [pid 2547] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2550] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2547] <... futex resumed>) = 0 [pid 2550] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2547] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2550] <... futex resumed>) = 0 [pid 2549] +++ exited with 0 +++ [pid 2547] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2544] +++ exited with 0 +++ [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2550] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2548] <... futex resumed>) = ? [pid 2547] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2542] <... exit_group resumed>) = ? [pid 2550] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2547] <... futex resumed>) = 0 [pid 2550] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2547] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2550] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2550] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2547] <... futex resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2544, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2550] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2547] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2550] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2547] <... futex resumed>) = 0 [pid 2550] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2547] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2550] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2550] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2547] <... futex resumed>) = 0 [pid 2550] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2548] +++ exited with 0 +++ [pid 2547] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2542] +++ exited with 0 +++ [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2550] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2547] <... futex resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2551 [pid 2550] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2547] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2551 attached [pid 2550] <... mkdirat resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2542, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2550] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2550] <... futex resumed>) = 1 [pid 2547] <... futex resumed>) = 0 [pid 2550] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2547] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2550] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2547] <... futex resumed>) = 0 [pid 2550] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2547] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2551] set_robust_list(0x5555810c5760, 24 [pid 2550] <... symlinkat resumed>) = 0 [pid 2550] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2547] <... futex resumed>) = 0 [pid 2550] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2547] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2550] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2547] <... futex resumed>) = 0 [pid 2550] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2547] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2551] <... set_robust_list resumed>) = 0 [pid 2550] <... unlinkat resumed>) = 0 [pid 2550] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2547] <... futex resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 2550] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2547] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2550] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2547] <... futex resumed>) = 0 [pid 2550] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2547] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2550] <... unlinkat resumed>) = 0 [pid 2550] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2550] <... futex resumed>) = 1 [pid 2547] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2550] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2547] exit_group(0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2550] <... futex resumed>) = ? [pid 2547] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 2552 attached [pid 2551] rt_sigprocmask(SIG_SETMASK, [] [pid 2550] +++ exited with 0 +++ [pid 2547] +++ exited with 0 +++ [pid 2552] set_robust_list(0x5555810c5760, 24 [pid 2551] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2552 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2547, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2552] <... set_robust_list resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2552] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2551] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2552] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2552] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2552] setpgid(0, 0 [pid 2551] <... prctl resumed>) = 0 [pid 2552] <... setpgid resumed>) = 0 [pid 2552] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2551] setpgid(0, 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 2552] <... openat resumed>) = 3 [pid 2551] <... setpgid resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2552] write(3, "1000", 4 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2552] <... write resumed>) = 4 [pid 2552] close(3) = 0 [pid 2552] write(1, "executing program\n", 18) = 18 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2553 [pid 2552] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2552] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2552] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2552] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2554 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2552] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 executing program [pid 2552] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2551] <... openat resumed>) = 3 [pid 2552] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2552] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2551] write(3, "1000", 4ci2-android-5-15/strace-static-x86_64: Process 2554 attached [pid 2552] <... clone3 resumed> => {parent_tid=[2555]}, 88) = 2555 [pid 2552] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2552] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2552] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2553 attached [pid 2553] set_robust_list(0x5555810c5760, 24 [pid 2551] <... write resumed>) = 4 [pid 2553] <... set_robust_list resumed>) = 0 [pid 2553] rt_sigprocmask(SIG_SETMASK, [] [pid 2551] close(3ci2-android-5-15/strace-static-x86_64: Process 2555 attached [pid 2554] set_robust_list(0x5555810c5760, 24 [pid 2553] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2553] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2555] set_robust_list(0x7f85c0c359a0, 24 [pid 2554] <... set_robust_list resumed>) = 0 [pid 2551] <... close resumed>) = 0 [pid 2553] <... prctl resumed>) = 0 [pid 2553] setpgid(0, 0) = 0 [pid 2555] <... set_robust_list resumed>) = 0 [pid 2554] rt_sigprocmask(SIG_SETMASK, [] [pid 2553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2551] write(1, "executing program\n", 18 [pid 2553] <... openat resumed>) = 3 [pid 2553] write(3, "1000", 4) = 4 [pid 2553] close(3) = 0 [pid 2553] write(1, "executing program\n", 18) = 18 executing program [pid 2553] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2553] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2553] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2553] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2553] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2553] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2551] <... write resumed>) = 18 executing program [pid 2553] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2551] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2553] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2551] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2551] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2554] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2551] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2553] <... clone3 resumed> => {parent_tid=[2556]}, 88) = 2556 [pid 2551] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2553] rt_sigprocmask(SIG_SETMASK, [] [pid 2551] <... mmap resumed>) = 0x7f85c0c15000 [pid 2553] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2551] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2553] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2551] <... mprotect resumed>) = 0 [pid 2553] <... futex resumed>) = 0 [pid 2553] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2551] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 2556 attached [pid 2551] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2556] set_robust_list(0x7f85c0c359a0, 24 [pid 312] <... restart_syscall resumed>) = 0 [pid 2551] <... clone3 resumed> => {parent_tid=[2557]}, 88) = 2557 [pid 2551] rt_sigprocmask(SIG_SETMASK, [] [pid 2556] <... set_robust_list resumed>) = 0 [pid 2551] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2551] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2551] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2551] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2556] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2556] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 2556] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2558 [pid 2553] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 2553] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2553] <... futex resumed>) = 0 [pid 2553] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2556] <... futex resumed>) = 1 [pid 2556] mount(NULL, "./config", "configfs", 0, NULL [pid 2555] rt_sigprocmask(SIG_SETMASK, [] [pid 2554] prctl(PR_SET_PDEATHSIG, SIGKILLci2-android-5-15/strace-static-x86_64: Process 2558 attached [pid 2556] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2555] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2554] <... prctl resumed>) = 0 [pid 2556] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2553] <... futex resumed>) = 0 [pid 2553] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2558] set_robust_list(0x5555810c5760, 24 [pid 2555] mkdirat(AT_FDCWD, "./config", 0777 [pid 2554] setpgid(0, 0 [pid 2553] <... futex resumed>) = 0 [pid 2556] <... futex resumed>) = 1 [pid 2556] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2553] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2554] <... setpgid resumed>) = 0 [pid 2556] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2554] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2556] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2556] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2553] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2557 attached [pid 2554] <... openat resumed>) = 3 [pid 2553] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2557] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2557] rt_sigprocmask(SIG_SETMASK, [] [pid 2553] <... futex resumed>) = 1 [pid 2554] write(3, "1000", 4 [pid 2556] <... futex resumed>) = 0 [pid 2556] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2554] <... write resumed>) = 4 [pid 2553] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2556] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2556] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2556] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2557] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2557] mkdirat(AT_FDCWD, "./config", 0777 [pid 2554] close(3 [pid 2553] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2557] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2557] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2551] <... futex resumed>) = 0 [pid 2553] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2555] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2554] <... close resumed>) = 0 [pid 2551] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2557] mount(NULL, "./config", "configfs", 0, NULL [pid 2553] <... futex resumed>) = 1 [pid 2551] <... futex resumed>) = 0 [pid 2555] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2554] write(1, "executing program\n", 18 [pid 2551] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2553] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2554] <... write resumed>) = 18 [pid 2555] <... futex resumed>) = 1 [pid 2552] <... futex resumed>) = 0 executing program [pid 2552] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2555] mount(NULL, "./config", "configfs", 0, NULL [pid 2554] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2552] <... futex resumed>) = 0 [pid 2552] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2555] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2554] <... futex resumed>) = 0 [pid 2556] <... futex resumed>) = 0 [pid 2555] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2554] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2556] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2554] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2555] <... futex resumed>) = 1 [pid 2552] <... futex resumed>) = 0 [pid 2554] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2552] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2555] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2554] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2552] <... futex resumed>) = 0 [pid 2554] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2552] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2555] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2554] <... mmap resumed>) = 0x7f85c0c15000 [pid 2558] <... set_robust_list resumed>) = 0 [pid 2556] <... mkdirat resumed>) = 0 [pid 2555] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2554] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2556] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2556] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2553] <... futex resumed>) = 0 [pid 2554] <... mprotect resumed>) = 0 [pid 2556] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2555] <... futex resumed>) = 1 [pid 2553] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2552] <... futex resumed>) = 0 [pid 2556] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2555] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2554] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2553] <... futex resumed>) = 0 [pid 2552] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2556] <... symlinkat resumed>) = 0 [pid 2555] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2554] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2553] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2552] <... futex resumed>) = 0 [pid 2558] rt_sigprocmask(SIG_SETMASK, [] [pid 2556] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2555] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2554] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2552] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2556] <... futex resumed>) = 1 [pid 2553] <... futex resumed>) = 0 [pid 2555] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2553] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2555] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2554] <... clone3 resumed> => {parent_tid=[2559]}, 88) = 2559 [pid 2553] <... futex resumed>) = 0 [pid 2556] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2555] <... futex resumed>) = 1 [pid 2554] rt_sigprocmask(SIG_SETMASK, [] [pid 2553] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2552] <... futex resumed>) = 0 [pid 2558] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2556] <... unlinkat resumed>) = 0 [pid 2555] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2554] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2552] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2558] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2557] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2556] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2555] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2554] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2552] <... futex resumed>) = 0 [pid 2558] <... prctl resumed>) = 0 [pid 2557] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2556] <... futex resumed>) = 1 [pid 2555] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2554] <... futex resumed>) = 0 [pid 2553] <... futex resumed>) = 0 [pid 2552] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2558] setpgid(0, 0 [pid 2557] <... futex resumed>) = 1 [pid 2556] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2555] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2554] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2553] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2551] <... futex resumed>) = 0 [pid 2558] <... setpgid resumed>) = 0 [pid 2555] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2553] <... futex resumed>) = 0 [pid 2551] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2558] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2557] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2556] <... unlinkat resumed>) = 0 [pid 2555] <... futex resumed>) = 1 [pid 2553] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2552] <... futex resumed>) = 0 [pid 2551] <... futex resumed>) = 0 [pid 2558] <... openat resumed>) = 3 [pid 2557] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2556] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2555] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2552] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2551] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2558] write(3, "1000", 4 [pid 2557] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2556] <... futex resumed>) = 1 [pid 2555] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2553] <... futex resumed>) = 0 [pid 2552] <... futex resumed>) = 0 [pid 2551] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2558] <... write resumed>) = 4 [pid 2557] <... futex resumed>) = 0 [pid 2556] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2555] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2553] exit_group(0 [pid 2552] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2551] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2558] close(3 [pid 2557] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2556] <... futex resumed>) = ? [pid 2555] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2553] <... exit_group resumed>) = ? [pid 2558] <... close resumed>) = 0 [pid 2557] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2556] +++ exited with 0 +++ [pid 2555] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2551] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2559 attached [pid 2557] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2559] set_robust_list(0x7f85c0c359a0, 24 [pid 2557] <... futex resumed>) = 0 [pid 2553] +++ exited with 0 +++ [pid 2551] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2559] <... set_robust_list resumed>) = 0 [pid 2558] write(1, "executing program\n", 18 [pid 2557] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2555] <... futex resumed>) = 1 [pid 2552] <... futex resumed>) = 0 executing program [pid 2551] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2559] rt_sigprocmask(SIG_SETMASK, [] [pid 2558] <... write resumed>) = 18 [pid 2555] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2552] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2551] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2553, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2559] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2558] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2557] <... futex resumed>) = 0 [pid 2555] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2552] <... futex resumed>) = 0 [pid 2551] <... futex resumed>) = 1 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2559] mkdirat(AT_FDCWD, "./config", 0777 [pid 2558] <... futex resumed>) = 0 [pid 2557] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2555] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2552] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2551] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2559] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2558] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2557] <... mkdirat resumed>) = 0 [pid 2555] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2559] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2558] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2557] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2555] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2559] <... futex resumed>) = 1 [pid 2558] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2557] <... futex resumed>) = 1 [pid 2554] <... futex resumed>) = 0 [pid 2555] <... futex resumed>) = 1 [pid 2552] <... futex resumed>) = 0 [pid 2551] <... futex resumed>) = 0 [pid 2559] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2558] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2557] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2555] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2554] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2552] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2551] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2559] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2558] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2557] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2555] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2554] <... futex resumed>) = 0 [pid 2552] <... futex resumed>) = 0 [pid 2551] <... futex resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 2559] mount(NULL, "./config", "configfs", 0, NULL [pid 2558] <... mmap resumed>) = 0x7f85c0c15000 [pid 2557] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2555] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2554] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2552] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2551] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2559] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2558] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2557] <... symlinkat resumed>) = 0 [pid 2555] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 2559] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2558] <... mprotect resumed>) = 0 [pid 2557] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2555] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2559] <... futex resumed>) = 1 [pid 2558] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2557] <... futex resumed>) = 1 [pid 2554] <... futex resumed>) = 0 [pid 2551] <... futex resumed>) = 0 [pid 2559] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2558] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2557] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2555] <... futex resumed>) = 1 [pid 2554] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2552] <... futex resumed>) = 0 [pid 2551] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2559] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2558] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2557] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2555] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2554] <... futex resumed>) = 0 [pid 2552] exit_group(0 [pid 2551] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2559] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2557] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2555] <... futex resumed>) = ? [pid 2554] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2552] <... exit_group resumed>) = ? [pid 2551] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2559] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2558] <... clone3 resumed> => {parent_tid=[2560]}, 88) = 2560 [pid 2557] <... unlinkat resumed>) = 0 [pid 2555] +++ exited with 0 +++ [pid 2552] +++ exited with 0 +++ [pid 2559] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2557] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2559] <... futex resumed>) = 1 [pid 2557] <... futex resumed>) = 1 [pid 2559] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2557] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2554] <... futex resumed>) = 0 [pid 2551] <... futex resumed>) = 0 [pid 2558] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2554] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2551] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2552, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2561 [pid 2559] <... futex resumed>) = 0 [pid 2558] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2557] <... futex resumed>) = 0 [pid 2554] <... futex resumed>) = 1 [pid 2551] <... futex resumed>) = 1 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 2559] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2558] <... futex resumed>) = 0 [pid 2557] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2554] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2551] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 2561 attached [pid 2559] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2558] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2557] <... unlinkat resumed>) = 0 [pid 2559] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2557] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2559] <... futex resumed>) = 1 [pid 2557] <... futex resumed>) = 1 [pid 2554] <... futex resumed>) = 0 [pid 2551] <... futex resumed>) = 0 [pid 2559] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2557] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2554] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2559] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2554] <... futex resumed>) = 0 [pid 2551] exit_group(0 [pid 2559] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2554] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2561] set_robust_list(0x5555810c5760, 24 [pid 2559] <... mkdirat resumed>) = 0 [pid 2557] <... futex resumed>) = ? [pid 2551] <... exit_group resumed>) = ? [pid 2561] <... set_robust_list resumed>) = 0 [pid 2559] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2557] +++ exited with 0 +++ [pid 2559] <... futex resumed>) = 1 [pid 2559] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 2560 attached [pid 2560] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2560] rt_sigprocmask(SIG_SETMASK, [] [pid 2551] +++ exited with 0 +++ [pid 2560] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2554] <... futex resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2551, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2554] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2560] mkdirat(AT_FDCWD, "./config", 0777 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2559] <... futex resumed>) = 0 [pid 2554] <... futex resumed>) = 1 [pid 2559] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2561] rt_sigprocmask(SIG_SETMASK, [] [pid 2559] <... symlinkat resumed>) = 0 [pid 2554] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2559] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2554] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2561] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2559] <... futex resumed>) = 0 [pid 2554] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2559] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2554] <... futex resumed>) = 0 [pid 2561] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2559] <... unlinkat resumed>) = 0 [pid 2554] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2559] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2561] <... prctl resumed>) = 0 [pid 2554] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2559] <... futex resumed>) = 0 [pid 2554] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2561] setpgid(0, 0 [pid 2559] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2554] <... futex resumed>) = 0 [pid 2561] <... setpgid resumed>) = 0 [pid 2559] <... unlinkat resumed>) = 0 [pid 2559] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2559] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2560] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2560] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2558] <... futex resumed>) = 0 [pid 2554] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... restart_syscall resumed>) = 0 [pid 2558] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2554] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2561] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2558] <... futex resumed>) = 0 [pid 2558] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2554] exit_group(0 [pid 2559] <... futex resumed>) = ? [pid 2554] <... exit_group resumed>) = ? [pid 2561] <... openat resumed>) = 3 [pid 2560] mount(NULL, "./config", "configfs", 0, NULL [pid 2559] +++ exited with 0 +++ [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2560] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2560] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2560] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2554] +++ exited with 0 +++ [pid 2561] write(3, "1000", 4 [pid 2558] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2558] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2561] <... write resumed>) = 4 [pid 2558] <... futex resumed>) = 1 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2554, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2560] <... futex resumed>) = 0 [pid 2560] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 2560] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2560] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2561] close(3 [pid 2558] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2562 [pid 2558] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ci2-android-5-15/strace-static-x86_64: Process 2562 attached [pid 2561] <... close resumed>) = 0 [pid 2558] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 2561] write(1, "executing program\n", 18 [pid 2558] <... futex resumed>) = 1 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2561] <... write resumed>) = 18 [pid 2558] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2562] set_robust_list(0x5555810c5760, 24 [pid 2560] <... futex resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 2561] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2560] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 2561] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2561] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2560] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2561] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2560] <... futex resumed>) = 1 [pid 2560] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2562] <... set_robust_list resumed>) = 0 [pid 2562] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2562] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2562] setpgid(0, 0) = 0 [pid 2562] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2561] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2558] <... futex resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2563 [pid 2561] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2558] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2561] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2564 [pid 2561] <... mmap resumed>) = 0x7f85c0c15000 [pid 2560] <... futex resumed>) = 0 [pid 2558] <... futex resumed>) = 1 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2561] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2560] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 2558] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2564 attached [pid 2561] <... mprotect resumed>) = 0 [pid 2560] <... mkdirat resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2562] <... openat resumed>) = 3 [pid 2561] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2560] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2563 attached [pid 2564] set_robust_list(0x5555810c5760, 24 [pid 2562] write(3, "1000", 4 [pid 2561] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2560] <... futex resumed>) = 1 [pid 2558] <... futex resumed>) = 0 [pid 2562] <... write resumed>) = 4 [pid 2561] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2560] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2558] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2562] close(3 [pid 2560] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2558] <... futex resumed>) = 0 [pid 2562] <... close resumed>) = 0 [pid 2560] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2558] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2565 attached [pid 2564] <... set_robust_list resumed>) = 0 [pid 2563] set_robust_list(0x5555810c5760, 24 [pid 2562] write(1, "executing program\n", 18 [pid 2561] <... clone3 resumed> => {parent_tid=[2565]}, 88) = 2565 [pid 2560] <... symlinkat resumed>) = 0 [pid 2565] set_robust_list(0x7f85c0c359a0, 24 [pid 2564] rt_sigprocmask(SIG_SETMASK, [] [pid 2563] <... set_robust_list resumed>) = 0 [pid 2561] rt_sigprocmask(SIG_SETMASK, [] [pid 2565] <... set_robust_list resumed>) = 0 [pid 2564] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 2563] rt_sigprocmask(SIG_SETMASK, [] [pid 2561] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2560] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2565] rt_sigprocmask(SIG_SETMASK, [] [pid 2564] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2563] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2561] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2565] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2564] <... prctl resumed>) = 0 [pid 2563] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2561] <... futex resumed>) = 0 [pid 2565] mkdirat(AT_FDCWD, "./config", 0777 [pid 2564] setpgid(0, 0 [pid 2563] <... prctl resumed>) = 0 [pid 2561] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2565] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2564] <... setpgid resumed>) = 0 [pid 2563] setpgid(0, 0 [pid 2562] <... write resumed>) = 18 [pid 2560] <... futex resumed>) = 1 [pid 2558] <... futex resumed>) = 0 [pid 2565] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2564] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2563] <... setpgid resumed>) = 0 [pid 2558] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2565] <... futex resumed>) = 1 [pid 2564] <... openat resumed>) = 3 [pid 2563] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2561] <... futex resumed>) = 0 [pid 2565] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2564] write(3, "1000", 4 [pid 2563] <... openat resumed>) = 3 [pid 2561] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2558] <... futex resumed>) = 0 [pid 2565] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2564] <... write resumed>) = 4 [pid 2563] write(3, "1000", 4 [pid 2561] <... futex resumed>) = 0 [pid 2565] mount(NULL, "./config", "configfs", 0, NULL [pid 2564] close(3 [pid 2563] <... write resumed>) = 4 [pid 2561] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2558] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2565] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2564] <... close resumed>) = 0 [pid 2563] close(3 [pid 2560] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2565] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2564] write(1, "executing program\n", 18 [pid 2563] <... close resumed>) = 0 [pid 2565] <... futex resumed>) = 1 [pid 2564] <... write resumed>) = 18 executing program [pid 2563] write(1, "executing program\n", 18 executing program [pid 2561] <... futex resumed>) = 0 [pid 2565] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2564] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2563] <... write resumed>) = 18 [pid 2561] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2565] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2564] <... futex resumed>) = 0 [pid 2563] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2561] <... futex resumed>) = 0 [pid 2565] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2564] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2563] <... futex resumed>) = 0 [pid 2561] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2565] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2564] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2563] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2565] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2564] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2563] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2565] <... futex resumed>) = 1 [pid 2564] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2563] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2561] <... futex resumed>) = 0 [pid 2565] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2564] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2563] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2561] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2565] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2564] <... mmap resumed>) = 0x7f85c0c15000 [pid 2563] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2561] <... futex resumed>) = 0 [pid 2565] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2564] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2563] <... mmap resumed>) = 0x7f85c0c15000 [pid 2561] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2565] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2564] <... mprotect resumed>) = 0 [pid 2563] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2565] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2564] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2563] <... mprotect resumed>) = 0 [pid 2565] <... futex resumed>) = 1 [pid 2564] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2563] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2561] <... futex resumed>) = 0 [pid 2565] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2564] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2563] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2561] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2560] <... unlinkat resumed>) = 0 [pid 2565] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2563] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2561] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2567 attached ci2-android-5-15/strace-static-x86_64: Process 2566 attached [pid 2565] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2564] <... clone3 resumed> => {parent_tid=[2566]}, 88) = 2566 [pid 2562] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2560] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2566] set_robust_list(0x7f85c0c359a0, 24 [pid 2565] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2564] rt_sigprocmask(SIG_SETMASK, [] [pid 2563] <... clone3 resumed> => {parent_tid=[2567]}, 88) = 2567 [pid 2562] <... futex resumed>) = 0 [pid 2561] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2560] <... futex resumed>) = 1 [pid 2558] <... futex resumed>) = 0 [pid 2567] set_robust_list(0x7f85c0c359a0, 24 [pid 2566] <... set_robust_list resumed>) = 0 [pid 2562] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2560] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2558] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2566] rt_sigprocmask(SIG_SETMASK, [] [pid 2562] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2560] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2558] <... futex resumed>) = 0 [pid 2564] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2563] rt_sigprocmask(SIG_SETMASK, [] [pid 2566] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2565] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2564] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2562] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2563] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2560] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2558] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2567] <... set_robust_list resumed>) = 0 [pid 2566] mkdirat(AT_FDCWD, "./config", 0777 [pid 2565] <... futex resumed>) = 1 [pid 2564] <... futex resumed>) = 0 [pid 2563] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2562] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2561] <... futex resumed>) = 0 [pid 2560] <... unlinkat resumed>) = 0 [pid 2567] rt_sigprocmask(SIG_SETMASK, [] [pid 2565] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2564] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2563] <... futex resumed>) = 0 [pid 2561] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2567] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2565] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2563] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2562] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2561] <... futex resumed>) = 0 [pid 2560] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2567] mkdirat(AT_FDCWD, "./config", 0777 [pid 2566] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2565] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2562] <... mmap resumed>) = 0x7f85c0c15000 [pid 2561] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2560] <... futex resumed>) = 1 [pid 2558] <... futex resumed>) = 0 [pid 2567] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2566] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2565] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2562] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2560] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2558] exit_group(0 [pid 2565] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2562] <... mprotect resumed>) = 0 [pid 2560] <... futex resumed>) = ? [pid 2558] <... exit_group resumed>) = ? [pid 2567] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2566] <... futex resumed>) = 1 [pid 2565] <... futex resumed>) = 1 [pid 2564] <... futex resumed>) = 0 [pid 2562] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2561] <... futex resumed>) = 0 [pid 2560] +++ exited with 0 +++ [pid 2567] <... futex resumed>) = 1 [pid 2566] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2565] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2564] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2563] <... futex resumed>) = 0 [pid 2562] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2561] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2558] +++ exited with 0 +++ [pid 2565] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2564] <... futex resumed>) = 0 [pid 2563] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2562] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2561] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2558, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2565] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2564] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2563] <... futex resumed>) = 0 [pid 2565] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2563] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2561] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2565] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2562] <... clone3 resumed> => {parent_tid=[2568]}, 88) = 2568 [pid 2561] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2565] <... futex resumed>) = 0 [pid 2562] rt_sigprocmask(SIG_SETMASK, [] [pid 2561] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2565] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2562] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2561] <... futex resumed>) = 0 [pid 2565] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2562] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2565] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2561] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2565] <... futex resumed>) = 0 [pid 2562] <... futex resumed>) = 0 [pid 2561] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2565] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2562] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2566] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2561] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 2568 attached [pid 2565] <... futex resumed>) = ? [pid 2566] mount(NULL, "./config", "configfs", 0, NULL [pid 2561] <... exit_group resumed>) = ? [pid 2565] +++ exited with 0 +++ [pid 2568] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2568] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2568] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 2568] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2562] <... futex resumed>) = 0 [pid 2562] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2561] +++ exited with 0 +++ [pid 2562] <... futex resumed>) = 0 [pid 2562] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2566] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2561, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2568] <... futex resumed>) = 1 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2566] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2568] mount(NULL, "./config", "configfs", 0, NULL [pid 2567] mount(NULL, "./config", "configfs", 0, NULL [pid 2566] <... futex resumed>) = 1 [pid 2564] <... futex resumed>) = 0 [pid 2568] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2567] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2566] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2564] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2567] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2566] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2564] <... futex resumed>) = 0 [pid 2567] <... futex resumed>) = 1 [pid 2566] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2564] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2567] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2566] <... futex resumed>) = 0 [pid 2564] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2563] <... futex resumed>) = 0 [pid 2566] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2564] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2563] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2566] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2564] <... futex resumed>) = 0 [pid 2567] <... futex resumed>) = 0 [pid 2566] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2564] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2563] <... futex resumed>) = 1 [pid 2567] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2566] <... futex resumed>) = 0 [pid 2564] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2563] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2567] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2566] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2564] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2568] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2564] <... futex resumed>) = 0 [pid 2567] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2566] <... mkdirat resumed>) = 0 [pid 2564] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2568] <... futex resumed>) = 1 [pid 2567] <... futex resumed>) = 1 [pid 2566] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2563] <... futex resumed>) = 0 [pid 2562] <... futex resumed>) = 0 [pid 2568] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2567] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2566] <... futex resumed>) = 1 [pid 2564] <... futex resumed>) = 0 [pid 2563] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2562] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2568] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2567] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2566] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2564] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2563] <... futex resumed>) = 0 [pid 2562] <... futex resumed>) = 0 [pid 2568] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2567] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2566] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2564] <... futex resumed>) = 0 [pid 2563] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2562] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2568] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2567] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2566] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2564] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2567] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2568] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2566] <... symlinkat resumed>) = 0 [pid 2567] <... futex resumed>) = 1 [pid 2563] <... futex resumed>) = 0 [pid 2568] <... futex resumed>) = 1 [pid 2567] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2566] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2563] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2562] <... futex resumed>) = 0 [pid 2568] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2567] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2566] <... futex resumed>) = 1 [pid 2564] <... futex resumed>) = 0 [pid 2563] <... futex resumed>) = 0 [pid 2562] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2568] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2563] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2562] <... futex resumed>) = 0 [pid 2568] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2567] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2566] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2564] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2562] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2568] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2567] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2566] <... unlinkat resumed>) = 0 [pid 2564] <... futex resumed>) = 0 [pid 2567] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2566] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2564] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2568] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2567] <... futex resumed>) = 1 [pid 2566] <... futex resumed>) = 0 [pid 2563] <... futex resumed>) = 0 [pid 2568] <... futex resumed>) = 1 [pid 2567] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2566] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2564] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2563] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2562] <... futex resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 2568] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2567] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2564] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2563] <... futex resumed>) = 0 [pid 2562] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... restart_syscall resumed>) = 0 [pid 2568] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2567] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2566] <... futex resumed>) = 0 [pid 2564] <... futex resumed>) = 1 [pid 2563] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2562] <... futex resumed>) = 0 [pid 2568] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2567] <... symlinkat resumed>) = 0 [pid 2566] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2564] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2562] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2568] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2567] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2566] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2568] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2567] <... futex resumed>) = 1 [pid 2566] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2563] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2568] <... futex resumed>) = 1 [pid 2567] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2566] <... futex resumed>) = 1 [pid 2564] <... futex resumed>) = 0 [pid 2563] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2562] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2568] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2567] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2566] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2564] exit_group(0 [pid 2563] <... futex resumed>) = 0 [pid 2562] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2568] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2567] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2566] <... futex resumed>) = ? [pid 2564] <... exit_group resumed>) = ? [pid 2563] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2562] <... futex resumed>) = 0 [pid 2562] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2568] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = -1 EEXIST (File exists) [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2569 [pid 2568] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2562] <... futex resumed>) = 0 [pid 2568] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2562] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2568] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2562] <... futex resumed>) = 0 [pid 2568] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2566] +++ exited with 0 +++ [pid 2564] +++ exited with 0 +++ [pid 2562] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2570 ci2-android-5-15/strace-static-x86_64: Process 2570 attached ci2-android-5-15/strace-static-x86_64: Process 2569 attached [pid 2568] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2567] <... unlinkat resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 2568] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2567] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 2570] set_robust_list(0x5555810c5760, 24 [pid 2569] set_robust_list(0x5555810c5760, 24 [pid 2568] <... futex resumed>) = 1 [pid 2567] <... futex resumed>) = 1 [pid 2563] <... futex resumed>) = 0 [pid 2562] <... futex resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2564, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2570] <... set_robust_list resumed>) = 0 [pid 2569] <... set_robust_list resumed>) = 0 [pid 2568] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2567] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2563] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2562] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2570] rt_sigprocmask(SIG_SETMASK, [] [pid 2569] rt_sigprocmask(SIG_SETMASK, [] [pid 2568] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2567] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2563] <... futex resumed>) = 0 [pid 2562] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2570] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2569] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2568] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2567] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2563] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2562] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2570] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2569] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2568] <... unlinkat resumed>) = 0 [pid 2567] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2568] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2562] <... futex resumed>) = 0 [pid 2568] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2562] exit_group(0 [pid 2568] <... futex resumed>) = ? [pid 2562] <... exit_group resumed>) = ? [pid 2567] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2571 attached [pid 2570] <... prctl resumed>) = 0 [pid 2569] <... prctl resumed>) = 0 [pid 2568] +++ exited with 0 +++ [pid 2567] <... futex resumed>) = 1 [pid 2563] <... futex resumed>) = 0 [pid 2562] +++ exited with 0 +++ [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2571 [pid 2570] setpgid(0, 0 [pid 2569] setpgid(0, 0 [pid 2567] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2563] exit_group(0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2562, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2570] <... setpgid resumed>) = 0 [pid 2569] <... setpgid resumed>) = 0 [pid 2567] <... futex resumed>) = ? [pid 2563] <... exit_group resumed>) = ? [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 2571] set_robust_list(0x5555810c5760, 24 [pid 2570] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2569] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2567] +++ exited with 0 +++ [pid 2563] +++ exited with 0 +++ [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2563, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2570] <... openat resumed>) = 3 [pid 2569] <... openat resumed>) = 3 [pid 2570] write(3, "1000", 4 [pid 2569] write(3, "1000", 4 [pid 2570] <... write resumed>) = 4 [pid 2571] <... set_robust_list resumed>) = 0 [pid 2569] <... write resumed>) = 4 [pid 2570] close(3 [pid 2569] close(3 [pid 2570] <... close resumed>) = 0 [pid 2569] <... close resumed>) = 0 [pid 2570] write(1, "executing program\n", 18 [pid 2569] write(1, "executing program\n", 18 [pid 2570] <... write resumed>) = 18 [pid 2569] <... write resumed>) = 18 executing program executing program [pid 2570] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2569] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2570] <... futex resumed>) = 0 [pid 2569] <... futex resumed>) = 0 [pid 2570] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2569] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2570] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2569] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2570] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2569] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2570] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2569] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2570] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2569] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2570] <... mmap resumed>) = 0x7f85c0c15000 [pid 2569] <... mmap resumed>) = 0x7f85c0c15000 [pid 2570] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2569] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2570] <... mprotect resumed>) = 0 [pid 2569] <... mprotect resumed>) = 0 [pid 2570] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2569] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2570] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2569] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 2572 attached [pid 2569] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2570] <... clone3 resumed> => {parent_tid=[2572]}, 88) = 2572 [pid 2572] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2570] rt_sigprocmask(SIG_SETMASK, [] [pid 2569] <... clone3 resumed> => {parent_tid=[2573]}, 88) = 2573 [pid 2570] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2569] rt_sigprocmask(SIG_SETMASK, [] [pid 2570] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2569] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2570] <... futex resumed>) = 0 [pid 2569] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... restart_syscall resumed>) = 0 [pid 2570] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2569] <... futex resumed>) = 0 [pid 2569] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2572] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2571] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2572] mkdirat(AT_FDCWD, "./config", 0777 [pid 2571] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2572] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2572] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2572] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 2573 attached [pid 2573] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2573] rt_sigprocmask(SIG_SETMASK, [] [pid 2570] <... futex resumed>) = 0 [pid 2571] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2570] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2574 [pid 2573] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2571] <... prctl resumed>) = 0 [pid 2570] <... futex resumed>) = 1 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2571] setpgid(0, 0 [pid 2570] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2571] <... setpgid resumed>) = 0 [pid 2572] <... futex resumed>) = 0 [pid 2571] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 311] <... restart_syscall resumed>) = 0 [pid 2572] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 2571] <... openat resumed>) = 3 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2572] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2571] write(3, "1000", 4 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2571] <... write resumed>) = 4 [pid 2572] <... futex resumed>) = 1 [pid 2572] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2573] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 2573] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2573] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2571] close(3 [pid 2570] <... futex resumed>) = 0 [pid 2569] <... futex resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2575 [pid 2571] <... close resumed>) = 0 [pid 2570] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2569] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2571] write(1, "executing program\n", 18 [pid 2570] <... futex resumed>) = 1 [pid 2569] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 2570] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2569] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2571] <... write resumed>) = 18 [pid 2572] <... futex resumed>) = 0 executing program [pid 2571] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2572] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 2571] <... futex resumed>) = 0 [pid 2572] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2571] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2572] <... futex resumed>) = 1 [pid 2570] <... futex resumed>) = 0 [pid 2571] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2570] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2571] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2570] <... futex resumed>) = 0 [pid 2572] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2571] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2570] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2571] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2572] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2571] <... mmap resumed>) = 0x7f85c0c15000 [pid 2572] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2571] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2572] <... futex resumed>) = 1 [pid 2570] <... futex resumed>) = 0 [pid 2572] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2570] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2571] <... mprotect resumed>) = 0 [pid 2570] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2575 attached [pid 2572] <... mkdirat resumed>) = 0 [pid 2571] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2570] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2571] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2572] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2571] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2570] <... futex resumed>) = 0 [pid 2572] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2570] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2572] <... symlinkat resumed>) = 0 [pid 2570] <... futex resumed>) = 0 [pid 2572] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2571] <... clone3 resumed> => {parent_tid=[2576]}, 88) = 2576 [pid 2570] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2572] <... futex resumed>) = 0 [pid 2571] rt_sigprocmask(SIG_SETMASK, [] [pid 2570] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2571] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2570] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2571] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2570] <... futex resumed>) = 0 [pid 2571] <... futex resumed>) = 0 [pid 2570] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2571] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2572] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2575] set_robust_list(0x5555810c5760, 24 [pid 2573] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2572] <... unlinkat resumed>) = 0 [pid 2575] <... set_robust_list resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2576 attached [pid 2573] mount(NULL, "./config", "configfs", 0, NULL [pid 2572] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2576] set_robust_list(0x7f85c0c359a0, 24 [pid 2575] rt_sigprocmask(SIG_SETMASK, [] [pid 2573] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2572] <... futex resumed>) = 1 [pid 2570] <... futex resumed>) = 0 [pid 2573] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2572] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2570] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2575] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2573] <... futex resumed>) = 1 [pid 2572] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2570] <... futex resumed>) = 0 [pid 2569] <... futex resumed>) = 0 [pid 2573] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2572] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2575] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2570] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2569] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2576] <... set_robust_list resumed>) = 0 [pid 2573] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2572] <... unlinkat resumed>) = 0 [pid 2569] <... futex resumed>) = 0 [pid 2575] <... prctl resumed>) = 0 [pid 2573] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2572] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2569] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2573] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2572] <... futex resumed>) = 1 [pid 2570] <... futex resumed>) = 0 [pid 2575] setpgid(0, 0 [pid 2573] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2572] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2570] exit_group(0 [pid 2575] <... setpgid resumed>) = 0 [pid 2573] <... futex resumed>) = 1 [pid 2572] <... futex resumed>) = ? [pid 2570] <... exit_group resumed>) = ? [pid 2569] <... futex resumed>) = 0 [pid 2576] rt_sigprocmask(SIG_SETMASK, [] [pid 2575] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2573] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2572] +++ exited with 0 +++ [pid 2570] +++ exited with 0 +++ [pid 2569] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2570, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2569] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2575] <... openat resumed>) = 3 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2575] write(3, "1000", 4 [pid 2573] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2573] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 2575] <... write resumed>) = 4 [pid 2575] close(3 [pid 2573] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2575] <... close resumed>) = 0 [pid 2575] write(1, "executing program\n", 18 [pid 2573] <... futex resumed>) = 1 executing program [pid 2569] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2574 attached [pid 2575] <... write resumed>) = 18 [pid 2573] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2569] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2576] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2575] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2574] set_robust_list(0x5555810c5760, 24 [pid 2573] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2569] <... futex resumed>) = 0 [pid 2576] mkdirat(AT_FDCWD, "./config", 0777 [pid 2575] <... futex resumed>) = 0 [pid 2574] <... set_robust_list resumed>) = 0 [pid 2573] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2569] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2576] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2575] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2574] rt_sigprocmask(SIG_SETMASK, [] [pid 2573] <... mkdirat resumed>) = 0 [pid 2576] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2575] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2574] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2573] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2576] <... futex resumed>) = 1 [pid 2575] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2574] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2573] <... futex resumed>) = 1 [pid 2571] <... futex resumed>) = 0 [pid 2569] <... futex resumed>) = 0 [pid 2576] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2575] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2574] <... prctl resumed>) = 0 [pid 2573] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2571] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2569] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2576] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2575] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2574] setpgid(0, 0 [pid 2573] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2571] <... futex resumed>) = 0 [pid 2569] <... futex resumed>) = 0 [pid 2576] mount(NULL, "./config", "configfs", 0, NULL [pid 2575] <... mmap resumed>) = 0x7f85c0c15000 [pid 2574] <... setpgid resumed>) = 0 [pid 2573] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2571] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2569] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2576] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2575] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2574] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2573] <... symlinkat resumed>) = 0 [pid 2576] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2575] <... mprotect resumed>) = 0 [pid 2574] <... openat resumed>) = 3 [pid 2573] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... restart_syscall resumed>) = 0 [pid 2576] <... futex resumed>) = 1 [pid 2575] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2574] write(3, "1000", 4 [pid 2573] <... futex resumed>) = 1 [pid 2571] <... futex resumed>) = 0 [pid 2569] <... futex resumed>) = 0 [pid 2576] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2575] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2574] <... write resumed>) = 4 [pid 2573] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2571] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2569] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2576] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2575] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2574] close(3 [pid 2573] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2571] <... futex resumed>) = 0 [pid 2569] <... futex resumed>) = 0 [pid 2576] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2574] <... close resumed>) = 0 [pid 2573] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2571] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2569] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 2577 attached [pid 2576] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2575] <... clone3 resumed> => {parent_tid=[2577]}, 88) = 2577 [pid 2574] write(1, "executing program\n", 18 [pid 2573] <... unlinkat resumed>) = 0 executing program [pid 2577] set_robust_list(0x7f85c0c359a0, 24 [pid 2576] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2575] rt_sigprocmask(SIG_SETMASK, [] [pid 2574] <... write resumed>) = 18 [pid 2573] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2576] <... futex resumed>) = 1 [pid 2575] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2574] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2573] <... futex resumed>) = 1 [pid 2571] <... futex resumed>) = 0 [pid 2569] <... futex resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2576] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2575] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2574] <... futex resumed>) = 0 [pid 2573] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2571] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2569] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2574] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2573] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2569] <... futex resumed>) = 0 [pid 2574] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2573] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2571] <... futex resumed>) = 0 [pid 2569] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2575] <... futex resumed>) = 0 [pid 2576] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2577] <... set_robust_list resumed>) = 0 [pid 2576] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2575] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2574] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2573] <... unlinkat resumed>) = 0 [pid 2571] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2578 [pid 2576] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2574] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2573] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2576] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2574] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2573] <... futex resumed>) = 1 [pid 2569] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 2576] <... futex resumed>) = 1 [pid 2574] <... mmap resumed>) = 0x7f85c0c15000 [pid 2573] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2571] <... futex resumed>) = 0 [pid 2569] exit_group(0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2576] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2574] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2573] <... futex resumed>) = ? [pid 2571] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2569] <... exit_group resumed>) = ? [pid 2577] rt_sigprocmask(SIG_SETMASK, [] [pid 2576] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2574] <... mprotect resumed>) = 0 [pid 2573] +++ exited with 0 +++ [pid 2571] <... futex resumed>) = 0 [pid 2569] +++ exited with 0 +++ [pid 2576] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2574] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2571] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2574] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2574] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0}ci2-android-5-15/strace-static-x86_64: Process 2578 attached [pid 2576] <... mkdirat resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2569, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2578] set_robust_list(0x5555810c5760, 24 [pid 2576] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2574] <... clone3 resumed> => {parent_tid=[2579]}, 88) = 2579 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2578] <... set_robust_list resumed>) = 0 [pid 2576] <... futex resumed>) = 1 [pid 2574] rt_sigprocmask(SIG_SETMASK, [] [pid 2571] <... futex resumed>) = 0 [pid 2578] rt_sigprocmask(SIG_SETMASK, [] [pid 2576] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2574] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2571] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2578] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2577] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2574] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2578] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2574] <... futex resumed>) = 0 [pid 2578] <... prctl resumed>) = 0 [pid 2574] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2578] setpgid(0, 0 [pid 2576] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2571] <... futex resumed>) = 0 [pid 2576] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2571] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2576] <... symlinkat resumed>) = 0 [pid 2578] <... setpgid resumed>) = 0 [pid 2576] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2571] <... futex resumed>) = 0 [pid 2576] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2571] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2576] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2571] <... futex resumed>) = 0 [pid 2578] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2576] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2571] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2578] <... openat resumed>) = 3 [pid 2577] mkdirat(AT_FDCWD, "./config", 0777 [pid 2576] <... unlinkat resumed>) = 0 [pid 2576] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2571] <... futex resumed>) = 0 [pid 2577] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2576] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2571] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2577] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2576] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2571] <... futex resumed>) = 0 [pid 2576] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2577] <... futex resumed>) = 1 [pid 2575] <... futex resumed>) = 0 [pid 2571] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2577] mount(NULL, "./config", "configfs", 0, NULL [pid 2576] <... unlinkat resumed>) = 0 [pid 2575] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2576] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2575] <... futex resumed>) = 0 [pid 2576] <... futex resumed>) = 1 [pid 2575] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2571] <... futex resumed>) = 0 [pid 2576] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2577] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2571] exit_group(0 [pid 2578] write(3, "1000", 4 [pid 2571] <... exit_group resumed>) = ? [pid 2576] <... futex resumed>) = ? [pid 2577] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2578] <... write resumed>) = 4 [pid 2578] close(3) = 0 [pid 2578] write(1, "executing program\n", 18) = 18 [pid 2578] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2578] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2578] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2578] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2576] +++ exited with 0 +++ [pid 2571] +++ exited with 0 +++ [pid 2578] <... mmap resumed>) = 0x7f85c0c15000 [pid 2577] <... futex resumed>) = 1 [pid 2575] <... futex resumed>) = 0 executing program [pid 2578] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2575] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2578] <... mprotect resumed>) = 0 [pid 2577] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2575] <... futex resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2571, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 2579 attached [pid 2578] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2575] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... restart_syscall resumed>) = 0 [pid 2577] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2579] set_robust_list(0x7f85c0c359a0, 24 [pid 2578] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2579] <... set_robust_list resumed>) = 0 [pid 2578] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2577] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2579] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2578] <... clone3 resumed> => {parent_tid=[2580]}, 88) = 2580 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 2580 attached [pid 2579] mkdirat(AT_FDCWD, "./config", 0777 [pid 2578] rt_sigprocmask(SIG_SETMASK, [] [pid 2577] <... futex resumed>) = 1 [pid 2575] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2579] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2578] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2577] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2575] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2579] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2578] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2575] <... futex resumed>) = 0 [pid 2579] <... futex resumed>) = 1 [pid 2578] <... futex resumed>) = 0 [pid 2574] <... futex resumed>) = 0 [pid 2579] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2578] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2574] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2579] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2577] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2575] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2574] <... futex resumed>) = 0 [pid 2579] mount(NULL, "./config", "configfs", 0, NULL [pid 2577] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2574] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2581 [pid 2579] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2577] <... futex resumed>) = 1 [pid 2575] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 2577] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2575] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2580] set_robust_list(0x7f85c0c359a0, 24 [pid 2577] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2575] <... futex resumed>) = 0 [pid 2577] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2575] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2579] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2574] <... futex resumed>) = 0 [pid 2579] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2577] <... mkdirat resumed>) = 0 [pid 2574] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2579] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2577] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2574] <... futex resumed>) = 0 [pid 2579] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2577] <... futex resumed>) = 1 [pid 2575] <... futex resumed>) = 0 [pid 2574] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2579] <... futex resumed>) = 0 [pid 2577] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2575] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2574] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2579] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2580] <... set_robust_list resumed>) = 0 [pid 2577] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2575] <... futex resumed>) = 0 [pid 2574] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2579] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2577] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2575] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2574] <... futex resumed>) = 0 [pid 2574] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2579] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2577] <... symlinkat resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2581 attached [pid 2577] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2579] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2577] <... futex resumed>) = 1 [pid 2575] <... futex resumed>) = 0 [pid 2579] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2577] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2575] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2581] set_robust_list(0x5555810c5760, 24 [pid 2579] <... futex resumed>) = 1 [pid 2577] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2575] <... futex resumed>) = 0 [pid 2574] <... futex resumed>) = 0 [pid 2581] <... set_robust_list resumed>) = 0 [pid 2579] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2577] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2575] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2574] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2581] rt_sigprocmask(SIG_SETMASK, [] [pid 2579] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2577] <... unlinkat resumed>) = 0 [pid 2574] <... futex resumed>) = 0 [pid 2581] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2580] rt_sigprocmask(SIG_SETMASK, [] [pid 2579] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2577] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2574] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... restart_syscall resumed>) = 0 [pid 2581] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2580] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2579] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2577] <... futex resumed>) = 1 [pid 2575] <... futex resumed>) = 0 [pid 2581] <... prctl resumed>) = 0 [pid 2579] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2577] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2575] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2581] setpgid(0, 0 [pid 2579] <... futex resumed>) = 1 [pid 2577] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2575] <... futex resumed>) = 0 [pid 2574] <... futex resumed>) = 0 [pid 2580] mkdirat(AT_FDCWD, "./config", 0777 [pid 2581] <... setpgid resumed>) = 0 [pid 2579] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2577] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2575] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2574] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2579] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2577] <... unlinkat resumed>) = 0 [pid 2574] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2581] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2580] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2579] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2577] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2574] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 2582 attached [pid 2579] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2577] <... futex resumed>) = 1 [pid 2575] <... futex resumed>) = 0 [pid 2580] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2579] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2577] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2575] exit_group(0 [pid 2581] <... openat resumed>) = 3 [pid 2580] <... futex resumed>) = 1 [pid 2579] <... futex resumed>) = 1 [pid 2578] <... futex resumed>) = 0 [pid 2575] <... exit_group resumed>) = ? [pid 2574] <... futex resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2582 [pid 2577] <... futex resumed>) = ? [pid 2580] mount(NULL, "./config", "configfs", 0, NULL [pid 2579] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2578] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2574] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2578] <... futex resumed>) = 0 [pid 2574] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 2578] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2574] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2582] set_robust_list(0x5555810c5760, 24) = 0 [pid 2582] rt_sigprocmask(SIG_SETMASK, [] [pid 2577] +++ exited with 0 +++ [pid 2575] +++ exited with 0 +++ [pid 2579] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2581] write(3, "1000", 4 [pid 2579] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2575, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2581] <... write resumed>) = 4 [pid 2580] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2579] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2581] close(3 [pid 2580] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2579] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2582] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2579] <... futex resumed>) = 1 [pid 2574] <... futex resumed>) = 0 [pid 2581] <... close resumed>) = 0 [pid 2580] <... futex resumed>) = 1 [pid 2579] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2578] <... futex resumed>) = 0 [pid 2574] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2581] write(1, "executing program\n", 18 [pid 2580] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2579] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2578] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2574] <... futex resumed>) = 0 [pid 2581] <... write resumed>) = 18 [pid 2580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 2579] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2578] <... futex resumed>) = 0 [pid 2574] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2582] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2581] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2580] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2579] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2578] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2582] <... prctl resumed>) = 0 [pid 2581] <... futex resumed>) = 0 [pid 2580] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2579] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2582] setpgid(0, 0 [pid 2581] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2580] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2579] <... futex resumed>) = 1 [pid 2574] <... futex resumed>) = 0 [pid 2582] <... setpgid resumed>) = 0 [pid 2581] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2580] <... futex resumed>) = 1 [pid 2579] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2578] <... futex resumed>) = 0 [pid 2574] exit_group(0 [pid 311] <... restart_syscall resumed>) = 0 [pid 2582] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2581] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2580] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2579] <... futex resumed>) = ? [pid 2578] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2574] <... exit_group resumed>) = ? [pid 2582] <... openat resumed>) = 3 [pid 2581] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2579] +++ exited with 0 +++ [pid 2578] <... futex resumed>) = 0 [pid 2574] +++ exited with 0 +++ [pid 2582] write(3, "1000", 4 [pid 2581] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2580] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2578] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2582] <... write resumed>) = 4 [pid 2581] <... mmap resumed>) = 0x7f85c0c15000 [pid 2580] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2574, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2581] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2580] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2582] close(3 [pid 2581] <... mprotect resumed>) = 0 [pid 2580] <... futex resumed>) = 1 [pid 2578] <... futex resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2582] <... close resumed>) = 0 [pid 2581] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2580] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2578] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2582] write(1, "executing program\n", 18 [pid 2578] <... futex resumed>) = 0 [pid 2582] <... write resumed>) = 18 [pid 2578] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2582] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 2581] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2581] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2580] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2583 [pid 2582] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 2582] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2582] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2582] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2582] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2581] <... clone3 resumed> => {parent_tid=[2584]}, 88) = 2584 [pid 2582] <... mmap resumed>) = 0x7f85c0c15000 [pid 2581] rt_sigprocmask(SIG_SETMASK, [] [pid 2580] <... mkdirat resumed>) = 0 [pid 2582] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2581] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2580] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2582] <... mprotect resumed>) = 0 [pid 2582] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2581] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2580] <... futex resumed>) = 1 [pid 2578] <... futex resumed>) = 0 [pid 2582] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2581] <... futex resumed>) = 0 [pid 2580] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2578] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2582] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2581] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2578] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2584 attached [pid 2580] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2578] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2582] <... clone3 resumed> => {parent_tid=[2585]}, 88) = 2585 [pid 2582] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2582] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2582] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2583 attached [pid 2583] set_robust_list(0x5555810c5760, 24) = 0 [pid 2583] rt_sigprocmask(SIG_SETMASK, [] [pid 2580] <... symlinkat resumed>) = 0 [pid 2583] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2580] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2578] <... futex resumed>) = 0 [pid 2580] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2578] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2580] <... unlinkat resumed>) = 0 [pid 2578] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2580] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2578] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ci2-android-5-15/strace-static-x86_64: Process 2585 attached [pid 2583] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2580] <... futex resumed>) = 0 [pid 2578] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2584] set_robust_list(0x7f85c0c359a0, 24 [pid 2583] <... prctl resumed>) = 0 [pid 2578] <... futex resumed>) = 0 [pid 2583] setpgid(0, 0 [pid 2580] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2578] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2583] <... setpgid resumed>) = 0 [pid 2583] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2584] <... set_robust_list resumed>) = 0 [pid 2580] <... unlinkat resumed>) = 0 [pid 2583] write(3, "1000", 4 [pid 2580] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2583] <... write resumed>) = 4 [pid 2580] <... futex resumed>) = 1 [pid 2578] <... futex resumed>) = 0 [pid 2583] close(3 [pid 2580] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2578] exit_group(0 [pid 2583] <... close resumed>) = 0 [pid 2580] <... futex resumed>) = ? [pid 2578] <... exit_group resumed>) = ? [pid 2585] set_robust_list(0x7f85c0c359a0, 24 [pid 2584] rt_sigprocmask(SIG_SETMASK, [] [pid 2583] write(1, "executing program\n", 18 [pid 2580] +++ exited with 0 +++ [pid 2578] +++ exited with 0 +++ [pid 306] <... restart_syscall resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2578, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2584] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 2583] <... write resumed>) = 18 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2584] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2583] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2583] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2583] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2583] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2584] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2586 [pid 2583] <... mmap resumed>) = 0x7f85c0c15000 [pid 2584] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2583] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2584] <... futex resumed>) = 1 [pid 2581] <... futex resumed>) = 0 [pid 2584] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2581] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2584] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2581] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2583] <... mprotect resumed>) = 0 [pid 2584] mount(NULL, "./config", "configfs", 0, NULL [pid 2585] <... set_robust_list resumed>) = 0 [pid 2584] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2583] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2583] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2584] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2583] <... clone3 resumed> => {parent_tid=[2587]}, 88) = 2587 [pid 2585] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 2587 attached [pid 2583] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2585] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2584] <... futex resumed>) = 1 [pid 2587] set_robust_list(0x7f85c0c359a0, 24 [pid 2583] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2581] <... futex resumed>) = 0 [pid 2583] <... futex resumed>) = 0 [pid 2583] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2586 attached [pid 2587] <... set_robust_list resumed>) = 0 [pid 2585] mkdirat(AT_FDCWD, "./config", 0777 [pid 2584] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2581] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2586] set_robust_list(0x5555810c5760, 24) = 0 [pid 2587] rt_sigprocmask(SIG_SETMASK, [] [pid 2586] rt_sigprocmask(SIG_SETMASK, [] [pid 2585] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2584] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2581] <... futex resumed>) = 0 [pid 2586] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2586] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2584] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2581] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2587] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2585] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2586] <... prctl resumed>) = 0 [pid 2586] setpgid(0, 0) = 0 [pid 2586] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2586] write(3, "1000", 4) = 4 [pid 2586] close(3) = 0 [pid 2586] write(1, "executing program\n", 18 [pid 2587] mkdirat(AT_FDCWD, "./config", 0777 [pid 2585] <... futex resumed>) = 1 [pid 2584] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2582] <... futex resumed>) = 0 [pid 2582] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2585] mount(NULL, "./config", "configfs", 0, NULL [pid 2584] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2582] <... futex resumed>) = 0 [pid 2584] <... futex resumed>) = 1 [pid 2582] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2581] <... futex resumed>) = 0 [pid 2585] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2584] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2581] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2585] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2584] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2581] <... futex resumed>) = 0 [pid 2585] <... futex resumed>) = 1 [pid 2584] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2582] <... futex resumed>) = 0 [pid 2581] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2585] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2584] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 2582] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2586] <... write resumed>) = 18 [pid 2585] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2584] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2582] <... futex resumed>) = 0 [pid 2586] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2585] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2584] <... futex resumed>) = 1 [pid 2582] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2581] <... futex resumed>) = 0 [pid 2587] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2586] <... futex resumed>) = 0 [pid 2585] <... futex resumed>) = 0 [pid 2584] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2582] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2581] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2586] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2585] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2584] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2582] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2581] <... futex resumed>) = 0 [pid 2586] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2585] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2584] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2582] <... futex resumed>) = 0 [pid 2581] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2586] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2582] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2586] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2585] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2584] <... mkdirat resumed>) = 0 [pid 2586] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2584] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2585] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2584] <... futex resumed>) = 1 [pid 2581] <... futex resumed>) = 0 [pid 2584] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2585] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2584] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2581] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2587] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2586] <... mmap resumed>) = 0x7f85c0c15000 [pid 2585] <... futex resumed>) = 1 [pid 2584] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2582] <... futex resumed>) = 0 [pid 2581] <... futex resumed>) = 0 [pid 2586] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2584] <... symlinkat resumed>) = 0 [pid 2582] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... restart_syscall resumed>) = 0 [pid 2586] <... mprotect resumed>) = 0 [pid 2585] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2584] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2582] <... futex resumed>) = 0 [pid 2581] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2586] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2585] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2584] <... futex resumed>) = 0 [pid 2582] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2581] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2586] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2585] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2584] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2582] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2581] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2586] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2585] <... futex resumed>) = 0 [pid 2584] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2582] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2581] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 2588 attached [pid 2587] <... futex resumed>) = 1 [pid 2583] <... futex resumed>) = 0 [pid 2582] <... futex resumed>) = 0 [pid 2586] <... clone3 resumed> => {parent_tid=[2588]}, 88) = 2588 [pid 2583] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2582] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2588] set_robust_list(0x7f85c0c359a0, 24 [pid 2587] mount(NULL, "./config", "configfs", 0, NULL [pid 2586] rt_sigprocmask(SIG_SETMASK, [] [pid 2585] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2584] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2583] <... futex resumed>) = 0 [pid 2581] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2588] <... set_robust_list resumed>) = 0 [pid 2587] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2586] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2583] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2586] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2586] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2585] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 2584] <... unlinkat resumed>) = 0 [pid 2585] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 2589 attached [pid 2588] rt_sigprocmask(SIG_SETMASK, [] [pid 2587] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2585] <... futex resumed>) = 1 [pid 2584] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2582] <... futex resumed>) = 0 [pid 2582] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2585] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2582] <... futex resumed>) = 0 [pid 2584] <... futex resumed>) = 1 [pid 2581] <... futex resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2589 [pid 2587] <... futex resumed>) = 1 [pid 2585] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2584] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2583] <... futex resumed>) = 0 [pid 2582] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2581] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2587] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2585] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2584] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2583] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2582] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2581] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 2587] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2585] <... futex resumed>) = 0 [pid 2584] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2583] <... futex resumed>) = 0 [pid 2582] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2581] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2587] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2585] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2584] <... unlinkat resumed>) = 0 [pid 2583] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2582] <... futex resumed>) = 0 [pid 2587] <... futex resumed>) = 0 [pid 2585] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2584] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2583] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2582] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2587] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2585] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2584] <... futex resumed>) = 1 [pid 2583] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2582] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2581] <... futex resumed>) = 0 [pid 2587] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2585] <... futex resumed>) = 0 [pid 2584] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2583] <... futex resumed>) = 0 [pid 2582] exit_group(0 [pid 2581] exit_group(0 [pid 2589] set_robust_list(0x5555810c5760, 24 [pid 2587] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2583] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2582] <... exit_group resumed>) = ? [pid 2584] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 2581] <... exit_group resumed>) = ? [pid 2589] <... set_robust_list resumed>) = 0 [pid 2588] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2587] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2585] +++ exited with 0 +++ [pid 2584] +++ exited with 0 +++ [pid 2582] +++ exited with 0 +++ [pid 2589] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2589] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2589] setpgid(0, 0) = 0 [pid 2581] +++ exited with 0 +++ [pid 2589] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2587] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2581, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2582, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2589] <... openat resumed>) = 3 [pid 2587] <... futex resumed>) = 1 [pid 2583] <... futex resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2589] write(3, "1000", 4 [pid 2583] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... restart_syscall resumed>) = 0 [pid 2589] <... write resumed>) = 4 [pid 2587] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2583] <... futex resumed>) = 0 [pid 2589] close(3 [pid 2583] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2589] <... close resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2587] <... mkdirat resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2590 attached [pid 2589] write(1, "executing program\n", 18 [pid 2588] mkdirat(AT_FDCWD, "./config", 0777 [pid 305] <... restart_syscall resumed>) = 0 executing program [pid 2589] <... write resumed>) = 18 [pid 2587] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2590 [pid 2589] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2587] <... futex resumed>) = 1 [pid 2583] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 2589] <... futex resumed>) = 0 [pid 2587] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2583] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2589] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2587] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2583] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2587] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2583] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2589] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2589] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2587] <... symlinkat resumed>) = 0 [pid 2589] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2589] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2589] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2589] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2587] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2589] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2589] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2587] <... futex resumed>) = 1 [pid 2583] <... futex resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2591 [pid 2588] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2587] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2583] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 2589] <... clone3 resumed> => {parent_tid=[2592]}, 88) = 2592 [pid 2587] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2583] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2589] rt_sigprocmask(SIG_SETMASK, [] [pid 2587] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2583] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2589] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2587] <... unlinkat resumed>) = 0 [pid 2589] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2587] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2589] <... futex resumed>) = 0 [pid 2589] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2587] <... futex resumed>) = 1 [pid 2583] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2592 attached ci2-android-5-15/strace-static-x86_64: Process 2591 attached [pid 2590] set_robust_list(0x5555810c5760, 24 [pid 2588] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2590] <... set_robust_list resumed>) = 0 [pid 2592] set_robust_list(0x7f85c0c359a0, 24 [pid 2591] set_robust_list(0x5555810c5760, 24 [pid 2590] rt_sigprocmask(SIG_SETMASK, [] [pid 2588] <... futex resumed>) = 1 [pid 2587] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2586] <... futex resumed>) = 0 [pid 2583] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2592] <... set_robust_list resumed>) = 0 [pid 2591] <... set_robust_list resumed>) = 0 [pid 2588] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2587] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2583] <... futex resumed>) = 0 [pid 2592] rt_sigprocmask(SIG_SETMASK, [] [pid 2591] rt_sigprocmask(SIG_SETMASK, [] [pid 2587] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2583] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2592] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2591] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2587] <... unlinkat resumed>) = 0 [pid 2592] mkdirat(AT_FDCWD, "./config", 0777 [pid 2591] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2590] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2587] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2586] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2592] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2591] <... prctl resumed>) = 0 [pid 2587] <... futex resumed>) = 1 [pid 2583] <... futex resumed>) = 0 [pid 2592] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2591] setpgid(0, 0 [pid 2587] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2583] exit_group(0 [pid 2592] <... futex resumed>) = 1 [pid 2591] <... setpgid resumed>) = 0 [pid 2587] <... futex resumed>) = ? [pid 2583] <... exit_group resumed>) = ? [pid 2592] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2590] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2589] <... futex resumed>) = 0 [pid 2587] +++ exited with 0 +++ [pid 2586] <... futex resumed>) = 1 [pid 2591] <... openat resumed>) = 3 [pid 2588] <... futex resumed>) = 0 [pid 2586] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2583] +++ exited with 0 +++ [pid 2591] write(3, "1000", 4 [pid 2588] mount(NULL, "./config", "configfs", 0, NULL [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2583, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2591] <... write resumed>) = 4 [pid 2588] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2591] close(3 [pid 2588] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2591] <... close resumed>) = 0 [pid 2588] <... futex resumed>) = 1 executing program [pid 2591] write(1, "executing program\n", 18 [pid 2589] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2588] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2586] <... futex resumed>) = 0 [pid 2591] <... write resumed>) = 18 [pid 2586] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2592] <... futex resumed>) = 0 [pid 2591] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2589] <... futex resumed>) = 1 [pid 2592] mount(NULL, "./config", "configfs", 0, NULL [pid 2591] <... futex resumed>) = 0 [pid 2592] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2591] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2589] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2588] <... futex resumed>) = 0 [pid 2586] <... futex resumed>) = 1 [pid 2592] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2591] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2590] <... prctl resumed>) = 0 [pid 2588] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2586] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2589] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2592] <... futex resumed>) = 0 [pid 2591] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2588] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2592] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2591] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2589] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2588] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2592] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2591] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2589] <... futex resumed>) = 0 [pid 2588] <... futex resumed>) = 1 [pid 2586] <... futex resumed>) = 0 [pid 2592] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2591] <... mmap resumed>) = 0x7f85c0c15000 [pid 2588] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2586] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2589] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2592] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2591] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2588] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2586] <... futex resumed>) = 0 [pid 2592] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2591] <... mprotect resumed>) = 0 [pid 2588] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2586] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2592] <... futex resumed>) = 1 [pid 2591] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2589] <... futex resumed>) = 0 [pid 2588] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2592] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2591] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2588] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2591] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2588] <... futex resumed>) = 1 [pid 2589] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2588] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2586] <... futex resumed>) = 0 [pid 2591] <... clone3 resumed> => {parent_tid=[2593]}, 88) = 2593 [pid 2591] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2586] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2592] <... futex resumed>) = 0 [pid 2591] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2589] <... futex resumed>) = 1 [pid 2588] <... futex resumed>) = 0 [pid 2586] <... futex resumed>) = 1 [pid 2592] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2591] <... futex resumed>) = 0 [pid 2588] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2592] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2591] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2590] setpgid(0, 0 [pid 2589] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2588] <... mkdirat resumed>) = 0 [pid 2586] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2592] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2588] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2592] <... futex resumed>) = 0 [pid 2588] <... futex resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 2592] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2588] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 2593 attached [pid 2589] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2586] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2590] <... setpgid resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2593] set_robust_list(0x7f85c0c359a0, 24 [pid 2590] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2589] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2586] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2594 attached [pid 2593] <... set_robust_list resumed>) = 0 [pid 2594] set_robust_list(0x5555810c5760, 24 [pid 2593] rt_sigprocmask(SIG_SETMASK, [] [pid 2592] <... futex resumed>) = 0 [pid 2589] <... futex resumed>) = 1 [pid 2588] <... futex resumed>) = 0 [pid 2586] <... futex resumed>) = 1 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2594 [pid 2594] <... set_robust_list resumed>) = 0 [pid 2593] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2592] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2589] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2588] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 2594] rt_sigprocmask(SIG_SETMASK, [] [pid 2593] mkdirat(AT_FDCWD, "./config", 0777 [pid 2592] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2590] <... openat resumed>) = 3 [pid 2588] <... symlinkat resumed>) = 0 [pid 2586] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2594] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2593] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2592] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2590] write(3, "1000", 4 [pid 2588] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2586] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2594] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2593] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2592] <... futex resumed>) = 1 [pid 2590] <... write resumed>) = 4 [pid 2589] <... futex resumed>) = 0 [pid 2588] <... futex resumed>) = 0 [pid 2586] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2594] <... prctl resumed>) = 0 [pid 2593] <... futex resumed>) = 1 [pid 2592] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2591] <... futex resumed>) = 0 [pid 2590] close(3 [pid 2589] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2588] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2586] <... futex resumed>) = 0 [pid 2594] setpgid(0, 0 [pid 2593] mount(NULL, "./config", "configfs", 0, NULL [pid 2592] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2591] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2590] <... close resumed>) = 0 [pid 2589] <... futex resumed>) = 0 [pid 2588] <... unlinkat resumed>) = 0 [pid 2586] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2594] <... setpgid resumed>) = 0 [pid 2593] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2592] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2591] <... futex resumed>) = 0 [pid 2590] write(1, "executing program\n", 18 [pid 2589] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2588] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2586] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2594] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2593] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2592] <... symlinkat resumed>) = 0 executing program [pid 2591] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2590] <... write resumed>) = 18 [pid 2588] <... futex resumed>) = 0 [pid 2586] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2594] <... openat resumed>) = 3 [pid 2593] <... futex resumed>) = 0 [pid 2592] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2591] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2588] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2586] <... futex resumed>) = 0 [pid 2594] write(3, "1000", 4 [pid 2593] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2592] <... futex resumed>) = 1 [pid 2591] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2590] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2589] <... futex resumed>) = 0 [pid 2588] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 2586] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2594] <... write resumed>) = 4 [pid 2593] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2592] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2591] <... futex resumed>) = 0 [pid 2590] <... futex resumed>) = 0 [pid 2589] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2588] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2594] close(3 [pid 2593] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2592] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2591] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2590] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2589] <... futex resumed>) = 0 [pid 2588] <... futex resumed>) = 0 [pid 2586] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2594] <... close resumed>) = 0 [pid 2593] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2592] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2590] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2589] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2588] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2594] write(1, "executing program\n", 18 [pid 2593] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2592] <... unlinkat resumed>) = 0 [pid 2586] exit_group(0 [pid 2594] <... write resumed>) = 18 [pid 2593] <... futex resumed>) = 1 [pid 2592] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2591] <... futex resumed>) = 0 [pid 2590] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2588] <... futex resumed>) = ? executing program [pid 2586] <... exit_group resumed>) = ? [pid 2594] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2593] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2592] <... futex resumed>) = 1 [pid 2591] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2590] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2589] <... futex resumed>) = 0 [pid 2588] +++ exited with 0 +++ [pid 2594] <... futex resumed>) = 0 [pid 2593] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2591] <... futex resumed>) = 0 [pid 2594] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2593] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2591] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2594] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2593] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2594] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2593] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2586] +++ exited with 0 +++ [pid 2594] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2593] <... futex resumed>) = 1 [pid 2592] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2591] <... futex resumed>) = 0 [pid 2590] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2589] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2594] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2593] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2591] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2594] <... mmap resumed>) = 0x7f85c0c15000 [pid 2593] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2592] <... unlinkat resumed>) = 0 [pid 2591] <... futex resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2586, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2589] <... futex resumed>) = 0 [pid 2594] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2593] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2592] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2591] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2590] <... mmap resumed>) = 0x7f85c0c15000 [pid 2589] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2594] <... mprotect resumed>) = 0 [pid 2593] <... mkdirat resumed>) = 0 [pid 2592] <... futex resumed>) = 0 [pid 2590] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2589] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2594] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2593] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2592] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2594] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2593] <... futex resumed>) = 1 [pid 2591] <... futex resumed>) = 0 [pid 2594] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2593] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2591] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2590] <... mprotect resumed>) = 0 [pid 2589] exit_group(0 [pid 2593] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2591] <... futex resumed>) = 0 [pid 2589] <... exit_group resumed>) = ? [pid 2594] <... clone3 resumed> => {parent_tid=[2595]}, 88) = 2595 [pid 2593] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2592] <... futex resumed>) = ? [pid 2591] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2590] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2594] rt_sigprocmask(SIG_SETMASK, [] [pid 2593] <... symlinkat resumed>) = 0 [pid 2594] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2593] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2594] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2593] <... futex resumed>) = 1 [pid 2591] <... futex resumed>) = 0 [pid 2594] <... futex resumed>) = 0 [pid 2593] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2591] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2594] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2593] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2591] <... futex resumed>) = 0 [pid 2593] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2592] +++ exited with 0 +++ [pid 2591] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2589] +++ exited with 0 +++ [pid 2593] <... unlinkat resumed>) = 0 [pid 2590] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2589, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2593] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2590] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2593] <... futex resumed>) = 1 [pid 2591] <... futex resumed>) = 0 [pid 2593] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2591] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2593] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2591] <... futex resumed>) = 0 [pid 2593] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2591] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2590] <... clone3 resumed> => {parent_tid=[2596]}, 88) = 2596 [pid 2593] <... unlinkat resumed>) = 0 [pid 2590] rt_sigprocmask(SIG_SETMASK, [] [pid 2593] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2590] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2593] <... futex resumed>) = 1 [pid 2591] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2596 attached ci2-android-5-15/strace-static-x86_64: Process 2595 attached [pid 2590] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2593] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2591] exit_group(0 [pid 2590] <... futex resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 2593] <... futex resumed>) = ? [pid 2591] <... exit_group resumed>) = ? [pid 2590] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2596] set_robust_list(0x7f85c0c359a0, 24 [pid 2595] set_robust_list(0x7f85c0c359a0, 24 [pid 2593] +++ exited with 0 +++ [pid 2596] <... set_robust_list resumed>) = 0 [pid 2596] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2596] mkdirat(AT_FDCWD, "./config", 0777 [pid 2591] +++ exited with 0 +++ [pid 2596] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2591, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2596] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2596] <... futex resumed>) = 1 [pid 2590] <... futex resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2597 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2590] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2590] <... futex resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 2597 attached [pid 2596] mount(NULL, "./config", "configfs", 0, NULL [pid 2595] <... set_robust_list resumed>) = 0 [pid 2590] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... restart_syscall resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2598 attached [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2598 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2598] set_robust_list(0x5555810c5760, 24 [pid 2597] set_robust_list(0x5555810c5760, 24ci2-android-5-15/strace-static-x86_64: Process 2599 attached [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2599 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2595] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2595] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 2595] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2594] <... futex resumed>) = 0 [pid 2594] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2594] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2595] <... futex resumed>) = 1 [pid 2595] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 2595] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2594] <... futex resumed>) = 0 [pid 2594] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2594] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2595] <... futex resumed>) = 1 [pid 2595] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 2595] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2594] <... futex resumed>) = 0 [pid 2594] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2594] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2595] <... futex resumed>) = 1 [pid 2595] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 2595] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2594] <... futex resumed>) = 0 [pid 2594] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2594] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2595] <... futex resumed>) = 1 [pid 2595] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 2595] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2594] <... futex resumed>) = 0 [pid 2594] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2594] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2595] <... futex resumed>) = 1 [pid 2595] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 2595] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2594] <... futex resumed>) = 0 [pid 2594] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2594] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2595] <... futex resumed>) = 1 [pid 2595] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 2595] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2594] <... futex resumed>) = 0 [pid 2594] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2594] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2595] <... futex resumed>) = 1 [pid 2595] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 2595] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2594] <... futex resumed>) = 0 [pid 2594] exit_group(0) = ? [pid 2598] <... set_robust_list resumed>) = 0 [pid 2596] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2597] <... set_robust_list resumed>) = 0 [pid 2598] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2598] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2598] setpgid(0, 0) = 0 [pid 2598] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2596] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2598] <... openat resumed>) = 3 [pid 2597] rt_sigprocmask(SIG_SETMASK, [] [pid 2598] write(3, "1000", 4 [pid 2596] <... futex resumed>) = 1 [pid 2590] <... futex resumed>) = 0 [pid 2598] <... write resumed>) = 4 [pid 2590] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2598] close(3 [pid 2597] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2596] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2590] <... futex resumed>) = 0 [pid 2598] <... close resumed>) = 0 [pid 2590] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2598] write(1, "executing program\n", 18) = 18 [pid 2598] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 2598] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2598] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2598] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2598] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2598] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2596] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2598] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2598] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2597] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2596] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2598] <... clone3 resumed> => {parent_tid=[2600]}, 88) = 2600 [pid 2598] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2598] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2598] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2595] <... futex resumed>) = ? [pid 2597] <... prctl resumed>) = 0 [pid 2596] <... futex resumed>) = 1 [pid 2590] <... futex resumed>) = 0 [pid 2599] set_robust_list(0x5555810c5760, 24 [pid 2590] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2597] setpgid(0, 0 [pid 2596] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2590] <... futex resumed>) = 0 [pid 2596] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2597] <... setpgid resumed>) = 0 [pid 2590] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2596] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ci2-android-5-15/strace-static-x86_64: Process 2600 attached [pid 2599] <... set_robust_list resumed>) = 0 [pid 2597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2596] <... futex resumed>) = 0 [pid 2595] +++ exited with 0 +++ [pid 2594] +++ exited with 0 +++ [pid 2590] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2600] set_robust_list(0x7f85c0c359a0, 24 [pid 2599] rt_sigprocmask(SIG_SETMASK, [] [pid 2597] <... openat resumed>) = 3 [pid 2596] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2590] <... futex resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2594, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2600] <... set_robust_list resumed>) = 0 [pid 2599] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2597] write(3, "1000", 4 [pid 2596] <... mkdirat resumed>) = 0 [pid 2590] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2600] rt_sigprocmask(SIG_SETMASK, [] [pid 2599] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2597] <... write resumed>) = 4 [pid 2596] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] <... restart_syscall resumed>) = 0 [pid 2600] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2599] <... prctl resumed>) = 0 [pid 2597] close(3 [pid 2596] <... futex resumed>) = 0 [pid 2590] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2600] mkdirat(AT_FDCWD, "./config", 0777 [pid 2599] setpgid(0, 0 [pid 2597] <... close resumed>) = 0 [pid 2596] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2590] <... futex resumed>) = 0 [pid 2600] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2599] <... setpgid resumed>) = 0 [pid 2597] write(1, "executing program\n", 18 [pid 2596] <... symlinkat resumed>) = 0 executing program [pid 2590] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2600] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2599] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2597] <... write resumed>) = 18 [pid 2596] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2600] <... futex resumed>) = 1 [pid 2599] <... openat resumed>) = 3 [pid 2598] <... futex resumed>) = 0 [pid 2597] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2596] <... futex resumed>) = 0 [pid 2590] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2600] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2599] write(3, "1000", 4 [pid 2598] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2597] <... futex resumed>) = 0 [pid 2590] <... futex resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2600] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2599] <... write resumed>) = 4 [pid 2598] <... futex resumed>) = 0 [pid 2597] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2596] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2590] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2600] mount(NULL, "./config", "configfs", 0, NULL [pid 2599] close(3 [pid 2598] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2597] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2596] <... unlinkat resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2601 [pid 2600] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2599] <... close resumed>) = 0 [pid 2597] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2596] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 2600] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2599] write(1, "executing program\n", 18 [pid 2597] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2596] <... futex resumed>) = 1 executing program [pid 2590] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2600] <... futex resumed>) = 1 [pid 2599] <... write resumed>) = 18 [pid 2598] <... futex resumed>) = 0 [pid 2597] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2596] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2590] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2600] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2599] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2598] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2597] <... mmap resumed>) = 0x7f85c0c15000 [pid 2596] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2590] <... futex resumed>) = 0 [pid 2600] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2599] <... futex resumed>) = 0 [pid 2598] <... futex resumed>) = 0 [pid 2597] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2596] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2590] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2600] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2599] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2598] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2597] <... mprotect resumed>) = 0 [pid 2600] <... futex resumed>) = 0 [pid 2599] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2598] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2597] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2596] <... unlinkat resumed>) = 0 [pid 2600] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2599] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2598] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2597] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2596] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2600] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2598] <... futex resumed>) = 0 [pid 2597] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2599] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2600] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2598] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2596] <... futex resumed>) = 1 [pid 2590] <... futex resumed>) = 0 [pid 2600] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2599] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2597] <... clone3 resumed> => {parent_tid=[2602]}, 88) = 2602 [pid 2596] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2590] exit_group(0 [pid 2600] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2599] <... mmap resumed>) = 0x7f85c0c15000 [pid 2597] rt_sigprocmask(SIG_SETMASK, [] [pid 2596] <... futex resumed>) = ? [pid 2590] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 2602 attached ci2-android-5-15/strace-static-x86_64: Process 2601 attached [pid 2600] <... futex resumed>) = 1 [pid 2599] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2598] <... futex resumed>) = 0 [pid 2597] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2596] +++ exited with 0 +++ [pid 2590] +++ exited with 0 +++ [pid 2598] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2597] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2590, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2598] <... futex resumed>) = 0 [pid 2597] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2598] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2597] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2602] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2602] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 2602] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 2602] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2600] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2599] <... mprotect resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2602] <... futex resumed>) = 1 [pid 2597] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2602] mount(NULL, "./config", "configfs", 0, NULL [pid 2597] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2602] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2597] <... futex resumed>) = 0 [pid 2602] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2600] <... mkdirat resumed>) = 0 [pid 2597] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2603 [pid 2602] <... futex resumed>) = 0 [pid 2599] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2597] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 2602] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2597] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2602] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2597] <... futex resumed>) = 0 [pid 2602] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2597] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2602] <... futex resumed>) = 0 [pid 2597] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2602] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2597] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2602] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2597] <... futex resumed>) = 0 [pid 2602] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2597] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2602] <... futex resumed>) = 0 [pid 2597] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2602] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2597] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2602] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2597] <... futex resumed>) = 0 [pid 2602] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2597] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2602] <... futex resumed>) = 0 [pid 2597] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2602] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2597] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2602] <... symlinkat resumed>) = 0 [pid 2600] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2599] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2597] <... futex resumed>) = 0 [pid 2602] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2601] set_robust_list(0x5555810c5760, 24 [pid 2600] <... futex resumed>) = 1 [pid 2599] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2598] <... futex resumed>) = 0 [pid 2597] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2602] <... futex resumed>) = 0 [pid 2601] <... set_robust_list resumed>) = 0 [pid 2600] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2598] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2597] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2602] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2601] rt_sigprocmask(SIG_SETMASK, [] [pid 2600] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2598] <... futex resumed>) = 0 [pid 2597] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2602] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2600] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2599] <... clone3 resumed> => {parent_tid=[2604]}, 88) = 2604 [pid 2598] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2597] <... futex resumed>) = 0 [pid 2602] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2601] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2600] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 2599] rt_sigprocmask(SIG_SETMASK, [] [pid 2597] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2602] <... unlinkat resumed>) = 0 [pid 2601] <... prctl resumed>) = 0 [pid 2600] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2599] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2602] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2601] setpgid(0, 0 [pid 2600] <... futex resumed>) = 1 [pid 2599] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2598] <... futex resumed>) = 0 [pid 2602] <... futex resumed>) = 1 [pid 2601] <... setpgid resumed>) = 0 [pid 2600] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2599] <... futex resumed>) = 0 [pid 2598] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2597] <... futex resumed>) = 0 [pid 2602] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2600] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2599] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2598] <... futex resumed>) = 0 [pid 2597] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2602] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2601] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2600] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2598] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2597] <... futex resumed>) = 0 [pid 2602] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2600] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2597] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2602] <... unlinkat resumed>) = 0 [pid 2601] <... openat resumed>) = 3 [pid 2600] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2602] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2601] write(3, "1000", 4 [pid 2600] <... futex resumed>) = 1 [pid 2598] <... futex resumed>) = 0 [pid 2602] <... futex resumed>) = 1 [pid 2601] <... write resumed>) = 4 [pid 2600] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2598] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2597] <... futex resumed>) = 0 [pid 2602] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2601] close(3 [pid 2600] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2598] <... futex resumed>) = 0 [pid 2597] exit_group(0 [pid 2602] <... futex resumed>) = ? [pid 2601] <... close resumed>) = 0 [pid 2600] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2598] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2597] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 2604 attached ci2-android-5-15/strace-static-x86_64: Process 2603 attached [pid 2602] +++ exited with 0 +++ [pid 2601] write(1, "executing program\n", 18 [pid 2600] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2597] +++ exited with 0 +++ [pid 2603] set_robust_list(0x5555810c5760, 24 [pid 2601] <... write resumed>) = 18 executing program [pid 2600] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2597, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2603] <... set_robust_list resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2603] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2603] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2600] <... futex resumed>) = 1 [pid 2598] <... futex resumed>) = 0 [pid 2603] <... prctl resumed>) = 0 [pid 2601] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2598] exit_group(0 [pid 2604] set_robust_list(0x7f85c0c359a0, 24 [pid 2603] setpgid(0, 0 [pid 2598] <... exit_group resumed>) = ? [pid 2604] <... set_robust_list resumed>) = 0 [pid 2603] <... setpgid resumed>) = 0 [pid 2601] <... futex resumed>) = 0 [pid 2600] +++ exited with 0 +++ [pid 2598] +++ exited with 0 +++ [pid 2603] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2604] rt_sigprocmask(SIG_SETMASK, [] [pid 2603] <... openat resumed>) = 3 [pid 2601] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2598, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2601] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2603] write(3, "1000", 4) = 4 [pid 2603] close(3) = 0 executing program [pid 2603] write(1, "executing program\n", 18) = 18 [pid 2603] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2603] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2601] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2603] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2601] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2603] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2601] <... mmap resumed>) = 0x7f85c0c15000 [pid 2603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2603] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2601] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2603] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2601] <... mprotect resumed>) = 0 [pid 2603] <... mprotect resumed>) = 0 [pid 2603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2601] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2601] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2603] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2601] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2603] <... clone3 resumed> => {parent_tid=[2605]}, 88) = 2605 [pid 2603] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2603] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2601] <... clone3 resumed> => {parent_tid=[2606]}, 88) = 2606 [pid 2603] <... futex resumed>) = 0 [pid 2601] rt_sigprocmask(SIG_SETMASK, [] [pid 2603] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2601] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 2606 attached [pid 2601] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2601] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2606] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2606] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2606] mkdirat(AT_FDCWD, "./config", 0777 [pid 2604] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 2605 attached [pid 2605] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2605] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2605] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 2605] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2603] <... futex resumed>) = 0 [pid 2603] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2603] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2605] <... futex resumed>) = 1 [pid 2605] mount(NULL, "./config", "configfs", 0, NULL [pid 2606] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2605] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2605] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2603] <... futex resumed>) = 0 [pid 2603] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2603] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2605] <... futex resumed>) = 1 [pid 2605] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 2605] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2603] <... futex resumed>) = 0 [pid 2603] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2603] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2605] <... futex resumed>) = 1 [pid 2605] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 2605] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2603] <... futex resumed>) = 0 [pid 2603] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2603] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... restart_syscall resumed>) = 0 [pid 2604] mkdirat(AT_FDCWD, "./config", 0777 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2606] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2606] <... futex resumed>) = 1 [pid 2604] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2601] <... futex resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2607 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2605] <... futex resumed>) = 1 [pid 2605] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... restart_syscall resumed>) = 0 [pid 2601] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2601] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2605] <... mkdirat resumed>) = 0 [pid 2605] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2603] <... futex resumed>) = 0 [pid 2603] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2603] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2605] <... futex resumed>) = 1 [pid 2605] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2608 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 2607 attached [pid 2605] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2603] <... futex resumed>) = 0 [pid 2603] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2603] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2607] set_robust_list(0x5555810c5760, 24 [pid 2606] mount(NULL, "./config", "configfs", 0, NULL [pid 2604] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2605] <... futex resumed>) = 1 [pid 2605] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 2599] <... futex resumed>) = 0 [pid 2604] <... futex resumed>) = 1 [pid 2599] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2607] <... set_robust_list resumed>) = 0 [pid 2599] <... futex resumed>) = 0 [pid 2604] mount(NULL, "./config", "configfs", 0, NULL [pid 2599] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2606] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2604] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2606] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2607] rt_sigprocmask(SIG_SETMASK, [] [pid 2606] <... futex resumed>) = 1 [pid 2604] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2601] <... futex resumed>) = 0 [pid 2605] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2601] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2599] <... futex resumed>) = 0 [pid 2606] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2604] <... futex resumed>) = 1 [pid 2601] <... futex resumed>) = 0 [pid 2599] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2604] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2601] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2599] <... futex resumed>) = 0 [pid 2606] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2603] <... futex resumed>) = 0 [pid 2603] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2599] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2604] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2606] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2603] <... futex resumed>) = 0 [pid 2603] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2605] <... futex resumed>) = 1 [pid 2605] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 2607] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2607] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2606] <... futex resumed>) = 1 [pid 2604] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2601] <... futex resumed>) = 0 [pid 2607] <... prctl resumed>) = 0 [pid 2601] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2606] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2604] <... futex resumed>) = 1 [pid 2601] <... futex resumed>) = 0 [pid 2599] <... futex resumed>) = 0 [pid 2601] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2599] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2604] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2606] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2599] <... futex resumed>) = 0 [pid 2607] setpgid(0, 0 [pid 2599] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2606] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2604] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2605] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2607] <... setpgid resumed>) = 0 [pid 2603] <... futex resumed>) = 0 [pid 2603] exit_group(0) = ? [pid 2607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2606] <... futex resumed>) = 1 [pid 2604] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2601] <... futex resumed>) = 0 [pid 2606] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2601] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2606] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2604] <... futex resumed>) = 1 [pid 2601] <... futex resumed>) = 0 [pid 2599] <... futex resumed>) = 0 [pid 2604] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2601] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2599] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2606] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2605] <... futex resumed>) = ? [pid 2606] <... mkdirat resumed>) = 0 [pid 2605] +++ exited with 0 +++ [pid 2604] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2603] +++ exited with 0 +++ [pid 2599] <... futex resumed>) = 0 [pid 2606] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2604] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2599] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2606] <... futex resumed>) = 1 [pid 2604] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2601] <... futex resumed>) = 0 [pid 2606] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2604] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2601] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2603, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2607] <... openat resumed>) = 3 [pid 2606] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2604] <... futex resumed>) = 1 [pid 2601] <... futex resumed>) = 0 [pid 2599] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2606] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2604] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2601] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2599] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2607] write(3, "1000", 4) = 4 [pid 2599] <... futex resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 2604] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2599] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2604] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0"ci2-android-5-15/strace-static-x86_64: Process 2608 attached [pid 2607] close(3 [pid 2606] <... symlinkat resumed>) = 0 [pid 2604] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 2607] <... close resumed>) = 0 [pid 2606] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2604] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2607] write(1, "executing program\n", 18 [pid 2606] <... futex resumed>) = 1 [pid 2604] <... futex resumed>) = 1 [pid 2601] <... futex resumed>) = 0 [pid 2599] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2607] <... write resumed>) = 18 [pid 2606] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL executing program [pid 2604] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2601] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2599] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2608] set_robust_list(0x5555810c5760, 24 [pid 2607] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2606] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2604] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2601] <... futex resumed>) = 0 [pid 2599] <... futex resumed>) = 0 [pid 2608] <... set_robust_list resumed>) = 0 [pid 2607] <... futex resumed>) = 0 [pid 2608] rt_sigprocmask(SIG_SETMASK, [] [pid 2607] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2608] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2607] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2601] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2604] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2599] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2606] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2609 [pid 2608] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2607] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2604] <... unlinkat resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 2606] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2608] <... prctl resumed>) = 0 [pid 2607] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2604] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 2609 attached [pid 2608] setpgid(0, 0 [pid 2607] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2606] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2604] <... futex resumed>) = 1 [pid 2599] <... futex resumed>) = 0 [pid 2608] <... setpgid resumed>) = 0 [pid 2607] <... mmap resumed>) = 0x7f85c0c15000 [pid 2606] <... futex resumed>) = 1 [pid 2604] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2601] <... futex resumed>) = 0 [pid 2599] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2608] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2607] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2606] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2604] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2601] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2599] <... futex resumed>) = 0 [pid 2608] <... openat resumed>) = 3 [pid 2607] <... mprotect resumed>) = 0 [pid 2606] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2604] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2601] <... futex resumed>) = 0 [pid 2599] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2608] write(3, "1000", 4 [pid 2607] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2606] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2601] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2608] <... write resumed>) = 4 [pid 2607] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2604] <... unlinkat resumed>) = 0 [pid 2608] close(3 [pid 2607] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2606] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2604] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2609] set_robust_list(0x5555810c5760, 24 [pid 2608] <... close resumed>) = 0 [pid 2606] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2604] <... futex resumed>) = 1 [pid 2599] <... futex resumed>) = 0 [pid 2609] <... set_robust_list resumed>) = 0 [pid 2608] write(1, "executing program\n", 18 [pid 2607] <... clone3 resumed> => {parent_tid=[2610]}, 88) = 2610 executing program [pid 2606] <... futex resumed>) = 1 [pid 2604] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2601] <... futex resumed>) = 0 [pid 2599] exit_group(0 [pid 2609] rt_sigprocmask(SIG_SETMASK, [] [pid 2608] <... write resumed>) = 18 [pid 2607] rt_sigprocmask(SIG_SETMASK, [] [pid 2606] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2601] exit_group(0 [pid 2609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2608] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2607] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2604] <... futex resumed>) = ? [pid 2601] <... exit_group resumed>) = ? [pid 2606] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 2599] <... exit_group resumed>) = ? [pid 2609] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2608] <... futex resumed>) = 0 [pid 2607] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2609] <... prctl resumed>) = 0 [pid 2608] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2607] <... futex resumed>) = 0 [pid 2604] +++ exited with 0 +++ [pid 2609] setpgid(0, 0 [pid 2608] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2607] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2609] <... setpgid resumed>) = 0 [pid 2608] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2608] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2609] <... openat resumed>) = 3 [pid 2608] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2599] +++ exited with 0 +++ [pid 2609] write(3, "1000", 4 [pid 2608] <... mmap resumed>) = 0x7f85c0c15000 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2599, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2609] <... write resumed>) = 4 [pid 2608] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2609] close(3 [pid 2608] <... mprotect resumed>) = 0 [pid 2609] <... close resumed>) = 0 [pid 2608] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2606] +++ exited with 0 +++ [pid 2601] +++ exited with 0 +++ [pid 2609] write(1, "executing program\n", 18 [pid 2608] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2609] <... write resumed>) = 18 [pid 2608] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} executing program [pid 2609] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2601, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2609] <... futex resumed>) = 0 [pid 2608] <... clone3 resumed> => {parent_tid=[2611]}, 88) = 2611 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2609] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2608] rt_sigprocmask(SIG_SETMASK, [] [pid 2609] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2608] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2609] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2608] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2608] <... futex resumed>) = 0 [pid 2609] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2608] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2609] <... mmap resumed>) = 0x7f85c0c15000 [pid 2609] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2609] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 2611 attached ci2-android-5-15/strace-static-x86_64: Process 2610 attached , [], 8) = 0 [pid 2609] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[2612]}, 88) = 2612 [pid 2610] set_robust_list(0x7f85c0c359a0, 24 [pid 2609] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2609] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2609] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2612 attached [pid 2612] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2612] rt_sigprocmask(SIG_SETMASK, [] [pid 2610] <... set_robust_list resumed>) = 0 [pid 2612] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2612] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 2612] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2609] <... futex resumed>) = 0 [pid 2609] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2609] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2612] <... futex resumed>) = 1 [pid 2612] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 2612] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2609] <... futex resumed>) = 0 [pid 2609] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2609] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2612] <... futex resumed>) = 1 [pid 2612] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 2610] rt_sigprocmask(SIG_SETMASK, [] [pid 2612] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2609] <... futex resumed>) = 0 [pid 2609] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2609] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2612] <... futex resumed>) = 1 [pid 2612] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 2612] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2609] <... futex resumed>) = 0 [pid 2609] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2609] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2612] <... futex resumed>) = 1 [pid 2612] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2610] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2611] set_robust_list(0x7f85c0c359a0, 24 [pid 2610] mkdirat(AT_FDCWD, "./config", 0777 [pid 2611] <... set_robust_list resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 2612] <... mkdirat resumed>) = 0 [pid 2610] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2610] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2612] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2611] rt_sigprocmask(SIG_SETMASK, [] [pid 2610] <... futex resumed>) = 1 [pid 311] <... restart_syscall resumed>) = 0 [pid 2607] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2613 attached [pid 2607] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2613 [pid 2607] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 2607] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2613] set_robust_list(0x5555810c5760, 24 [pid 2612] <... futex resumed>) = 1 [pid 2611] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2610] mount(NULL, "./config", "configfs", 0, NULL [pid 2609] <... futex resumed>) = 0 [pid 2609] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 ci2-android-5-15/strace-static-x86_64: Process 2614 attached [pid 2609] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2614 [pid 2614] set_robust_list(0x5555810c5760, 24) = 0 [pid 2610] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 2610] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2613] <... set_robust_list resumed>) = 0 [pid 2612] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2611] mkdirat(AT_FDCWD, "./config", 0777 [pid 2614] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2607] <... futex resumed>) = 0 [pid 2607] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2614] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2607] <... futex resumed>) = 0 [pid 2607] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2610] <... futex resumed>) = 1 [pid 2610] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 2610] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2607] <... futex resumed>) = 0 [pid 2607] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2607] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2610] <... futex resumed>) = 1 [pid 2610] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 2610] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2607] <... futex resumed>) = 0 [pid 2607] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2607] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2610] <... futex resumed>) = 1 [pid 2610] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 2610] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2607] <... futex resumed>) = 0 [pid 2607] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2607] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2610] <... futex resumed>) = 1 [pid 2610] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 2610] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2607] <... futex resumed>) = 0 [pid 2607] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2607] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2610] <... futex resumed>) = 1 [pid 2610] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 2610] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2607] <... futex resumed>) = 0 [pid 2607] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2610] <... futex resumed>) = 1 [pid 2607] <... futex resumed>) = 0 [pid 2610] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2607] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2614] <... prctl resumed>) = 0 [pid 2610] <... unlinkat resumed>) = 0 [pid 2610] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2607] <... futex resumed>) = 0 [pid 2614] setpgid(0, 0 [pid 2613] rt_sigprocmask(SIG_SETMASK, [] [pid 2610] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2607] exit_group(0 [pid 2614] <... setpgid resumed>) = 0 [pid 2613] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2610] <... futex resumed>) = ? [pid 2607] <... exit_group resumed>) = ? [pid 2614] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2613] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2612] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2611] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2610] +++ exited with 0 +++ [pid 2607] +++ exited with 0 +++ [pid 2614] <... openat resumed>) = 3 [pid 2613] <... prctl resumed>) = 0 [pid 2614] write(3, "1000", 4 [pid 2613] setpgid(0, 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2607, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2614] <... write resumed>) = 4 [pid 2613] <... setpgid resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2614] close(3 [pid 2613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2612] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2611] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2614] <... close resumed>) = 0 [pid 2613] <... openat resumed>) = 3 [pid 2611] <... futex resumed>) = 1 [pid 2608] <... futex resumed>) = 0 [pid 2614] write(1, "executing program\n", 18 [pid 2613] write(3, "1000", 4 [pid 2611] mount(NULL, "./config", "configfs", 0, NULL executing program [pid 2608] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2614] <... write resumed>) = 18 [pid 2613] <... write resumed>) = 4 [pid 2612] <... futex resumed>) = 1 [pid 2611] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2609] <... futex resumed>) = 0 [pid 2608] <... futex resumed>) = 0 [pid 2614] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2613] close(3 [pid 2612] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2611] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2609] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2608] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2614] <... futex resumed>) = 0 [pid 2613] <... close resumed>) = 0 [pid 2612] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2611] <... futex resumed>) = 0 [pid 2609] <... futex resumed>) = 0 [pid 2608] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2614] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2613] write(1, "executing program\n", 18 [pid 2612] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2611] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL executing program [pid 2609] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2608] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2614] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2613] <... write resumed>) = 18 [pid 2612] <... futex resumed>) = 0 [pid 2611] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2609] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2608] <... futex resumed>) = 0 [pid 2614] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2612] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2611] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2609] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2608] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2614] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2613] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2612] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2611] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2609] <... futex resumed>) = 0 [pid 2614] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2613] <... futex resumed>) = 0 [pid 2612] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2611] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2609] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2614] <... mmap resumed>) = 0x7f85c0c15000 [pid 2613] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2612] <... futex resumed>) = 0 [pid 2611] <... futex resumed>) = 1 [pid 2609] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2608] <... futex resumed>) = 0 [pid 2614] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2613] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2612] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2611] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2609] exit_group(0 [pid 2608] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2614] <... mprotect resumed>) = 0 [pid 2613] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2612] <... futex resumed>) = ? [pid 2611] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2609] <... exit_group resumed>) = ? [pid 2608] <... futex resumed>) = 0 [pid 2614] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2613] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2612] +++ exited with 0 +++ [pid 2611] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2613] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2613] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2613] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2613] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2609] +++ exited with 0 +++ [pid 2614] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2613] <... clone3 resumed> => {parent_tid=[2615]}, 88) = 2615 [pid 2611] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2608] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2609, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... restart_syscall resumed>) = 0 [pid 2614] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2613] rt_sigprocmask(SIG_SETMASK, [] [pid 2611] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2608] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2613] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2611] <... futex resumed>) = 0 [pid 2608] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2614] <... clone3 resumed> => {parent_tid=[2616]}, 88) = 2616 [pid 2613] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2611] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2608] <... futex resumed>) = 0 [pid 2614] rt_sigprocmask(SIG_SETMASK, [] [pid 2613] <... futex resumed>) = 0 [pid 2608] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2614] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2613] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2611] <... mkdirat resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2614] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2611] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2614] <... futex resumed>) = 0 [pid 2611] <... futex resumed>) = 1 [pid 2608] <... futex resumed>) = 0 [pid 2608] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2614] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2611] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2608] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2608] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2617 ci2-android-5-15/strace-static-x86_64: Process 2617 attached ci2-android-5-15/strace-static-x86_64: Process 2618 attached ci2-android-5-15/strace-static-x86_64: Process 2616 attached ci2-android-5-15/strace-static-x86_64: Process 2615 attached [pid 2611] <... symlinkat resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 2618] set_robust_list(0x5555810c5760, 24 [pid 2616] set_robust_list(0x7f85c0c359a0, 24 [pid 2615] set_robust_list(0x7f85c0c359a0, 24 [pid 2611] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2618 [pid 2618] <... set_robust_list resumed>) = 0 [pid 2617] set_robust_list(0x5555810c5760, 24 [pid 2616] <... set_robust_list resumed>) = 0 [pid 2615] <... set_robust_list resumed>) = 0 [pid 2611] <... futex resumed>) = 1 [pid 2608] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2617] <... set_robust_list resumed>) = 0 [pid 2616] rt_sigprocmask(SIG_SETMASK, [] [pid 2615] rt_sigprocmask(SIG_SETMASK, [] [pid 2611] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2608] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2617] rt_sigprocmask(SIG_SETMASK, [] [pid 2616] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2615] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2611] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2608] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2617] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2616] mkdirat(AT_FDCWD, "./config", 0777 [pid 2615] mkdirat(AT_FDCWD, "./config", 0777 [pid 2611] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2608] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2617] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2616] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2615] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2611] <... unlinkat resumed>) = 0 [pid 2617] <... prctl resumed>) = 0 [pid 2616] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2615] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2611] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2617] setpgid(0, 0 [pid 2616] <... futex resumed>) = 1 [pid 2615] <... futex resumed>) = 1 [pid 2614] <... futex resumed>) = 0 [pid 2611] <... futex resumed>) = 1 [pid 2608] <... futex resumed>) = 0 [pid 2617] <... setpgid resumed>) = 0 [pid 2616] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2615] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2614] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2611] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2608] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2614] <... futex resumed>) = 0 [pid 2611] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2608] <... futex resumed>) = 0 [pid 2617] <... openat resumed>) = 3 [pid 2616] mount(NULL, "./config", "configfs", 0, NULL [pid 2614] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2613] <... futex resumed>) = 0 [pid 2611] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2608] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2617] write(3, "1000", 4 [pid 2616] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2611] <... unlinkat resumed>) = 0 [pid 2617] <... write resumed>) = 4 [pid 2616] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2611] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2617] close(3 [pid 2616] <... futex resumed>) = 1 [pid 2614] <... futex resumed>) = 0 [pid 2611] <... futex resumed>) = 1 [pid 2608] <... futex resumed>) = 0 [pid 2617] <... close resumed>) = 0 [pid 2616] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2614] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2611] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2608] exit_group(0 [pid 2617] write(1, "executing program\n", 18 [pid 2616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2614] <... futex resumed>) = 0 [pid 2611] <... futex resumed>) = ? executing program [pid 2608] <... exit_group resumed>) = ? [pid 2618] rt_sigprocmask(SIG_SETMASK, [] [pid 2617] <... write resumed>) = 18 [pid 2616] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2614] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2613] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2611] +++ exited with 0 +++ [pid 2618] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2617] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2616] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2615] <... futex resumed>) = 0 [pid 2613] <... futex resumed>) = 1 [pid 2608] +++ exited with 0 +++ [pid 2617] <... futex resumed>) = 0 [pid 2616] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2615] mount(NULL, "./config", "configfs", 0, NULL [pid 2613] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2608, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2617] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2616] <... futex resumed>) = 1 [pid 2615] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2614] <... futex resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2617] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2616] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2615] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2614] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2617] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2615] <... futex resumed>) = 1 [pid 2614] <... futex resumed>) = 0 [pid 2613] <... futex resumed>) = 0 [pid 2617] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2616] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2615] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2614] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2613] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2617] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2616] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2615] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2617] <... mmap resumed>) = 0x7f85c0c15000 [pid 2616] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2615] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2613] <... futex resumed>) = 0 [pid 2617] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2616] <... futex resumed>) = 1 [pid 2615] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2614] <... futex resumed>) = 0 [pid 2617] <... mprotect resumed>) = 0 [pid 2616] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2615] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2614] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2613] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2617] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2615] <... futex resumed>) = 0 [pid 2614] <... futex resumed>) = 0 [pid 2613] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2617] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2616] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2615] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2614] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2618] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2617] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2616] <... mkdirat resumed>) = 0 [pid 2615] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2613] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2616] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2615] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2613] <... futex resumed>) = 0 [pid 2617] <... clone3 resumed> => {parent_tid=[2619]}, 88) = 2619 [pid 2616] <... futex resumed>) = 1 [pid 2615] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2614] <... futex resumed>) = 0 [pid 2613] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2617] rt_sigprocmask(SIG_SETMASK, [] [pid 2616] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2615] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2614] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2613] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] <... restart_syscall resumed>) = 0 [pid 2617] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2615] <... futex resumed>) = 0 [pid 2614] <... futex resumed>) = 0 [pid 2613] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2619 attached [pid 2618] <... prctl resumed>) = 0 [pid 2617] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2616] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2615] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2614] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2613] <... futex resumed>) = 0 [pid 2617] <... futex resumed>) = 0 [pid 2616] <... symlinkat resumed>) = 0 [pid 2615] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2617] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2616] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2615] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2616] <... futex resumed>) = 1 [pid 2615] <... futex resumed>) = 0 [pid 2614] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2616] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2615] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2614] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2613] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2618] setpgid(0, 0ci2-android-5-15/strace-static-x86_64: Process 2620 attached [pid 2619] set_robust_list(0x7f85c0c359a0, 24 [pid 2618] <... setpgid resumed>) = 0 [pid 2616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2614] <... futex resumed>) = 0 [pid 2613] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2620] set_robust_list(0x5555810c5760, 24 [pid 2619] <... set_robust_list resumed>) = 0 [pid 2618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2616] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2614] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2613] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2620 [pid 2620] <... set_robust_list resumed>) = 0 [pid 2619] rt_sigprocmask(SIG_SETMASK, [] [pid 2618] <... openat resumed>) = 3 [pid 2616] <... unlinkat resumed>) = 0 [pid 2615] <... futex resumed>) = 0 [pid 2613] <... futex resumed>) = 1 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2620] rt_sigprocmask(SIG_SETMASK, [] [pid 2618] write(3, "1000", 4 [pid 2616] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2615] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2613] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2620] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2618] <... write resumed>) = 4 [pid 2616] <... futex resumed>) = 1 [pid 2615] <... symlinkat resumed>) = 0 [pid 2614] <... futex resumed>) = 0 [pid 2620] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2618] close(3 [pid 2616] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2615] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2614] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2620] <... prctl resumed>) = 0 [pid 2618] <... close resumed>) = 0 [pid 2616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2615] <... futex resumed>) = 1 [pid 2614] <... futex resumed>) = 0 [pid 2613] <... futex resumed>) = 0 [pid 2620] setpgid(0, 0 [pid 2618] write(1, "executing program\n", 18 [pid 2616] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2615] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2614] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2613] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2620] <... setpgid resumed>) = 0 [pid 2618] <... write resumed>) = 18 [pid 2616] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 2615] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 2613] <... futex resumed>) = 0 [pid 2620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2618] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2616] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2615] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2613] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2620] <... openat resumed>) = 3 [pid 2618] <... futex resumed>) = 0 [pid 2616] <... futex resumed>) = 1 [pid 2615] <... unlinkat resumed>) = 0 [pid 2614] <... futex resumed>) = 0 [pid 2620] write(3, "1000", 4 [pid 2618] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2616] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2615] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2614] exit_group(0 [pid 2620] <... write resumed>) = 4 [pid 2618] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2616] <... futex resumed>) = ? [pid 2615] <... futex resumed>) = 1 [pid 2614] <... exit_group resumed>) = ? [pid 2613] <... futex resumed>) = 0 [pid 2620] close(3 [pid 2619] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2618] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2616] +++ exited with 0 +++ [pid 2615] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2613] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2620] <... close resumed>) = 0 [pid 2619] mkdirat(AT_FDCWD, "./config", 0777 [pid 2618] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 2615] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2614] +++ exited with 0 +++ [pid 2613] <... futex resumed>) = 0 [pid 2620] write(1, "executing program\n", 18 [pid 2619] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2618] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2615] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2613] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2614, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2620] <... write resumed>) = 18 [pid 2619] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2618] <... mmap resumed>) = 0x7f85c0c15000 [pid 2615] <... unlinkat resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2620] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2619] <... futex resumed>) = 1 [pid 2618] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2617] <... futex resumed>) = 0 [pid 2615] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2620] <... futex resumed>) = 0 [pid 2619] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2618] <... mprotect resumed>) = 0 [pid 2617] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2615] <... futex resumed>) = 1 [pid 2613] <... futex resumed>) = 0 [pid 2620] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2619] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2618] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2617] <... futex resumed>) = 0 [pid 2615] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2613] exit_group(0 [pid 2620] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2619] mount(NULL, "./config", "configfs", 0, NULL [pid 2618] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2617] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2615] <... futex resumed>) = ? [pid 2613] <... exit_group resumed>) = ? [pid 2620] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2619] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2618] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2615] +++ exited with 0 +++ [pid 2613] +++ exited with 0 +++ [pid 2620] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2619] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2620] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2619] <... futex resumed>) = 1 [pid 2618] <... clone3 resumed> => {parent_tid=[2621]}, 88) = 2621 [pid 2620] <... mmap resumed>) = 0x7f85c0c15000 [pid 2619] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2618] rt_sigprocmask(SIG_SETMASK, [] [pid 2617] <... futex resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2613, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 2621 attached [pid 2620] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2618] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2617] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2620] <... mprotect resumed>) = 0 [pid 2619] <... futex resumed>) = 0 [pid 2618] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2617] <... futex resumed>) = 1 [pid 2621] set_robust_list(0x7f85c0c359a0, 24 [pid 2620] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2619] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2618] <... futex resumed>) = 0 [pid 2617] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2621] <... set_robust_list resumed>) = 0 [pid 2620] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2619] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2618] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2621] rt_sigprocmask(SIG_SETMASK, [] [pid 2620] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2619] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2621] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2619] <... futex resumed>) = 1 [pid 2617] <... futex resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 2621] mkdirat(AT_FDCWD, "./config", 0777 [pid 2620] <... clone3 resumed> => {parent_tid=[2622]}, 88) = 2622 [pid 2619] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2617] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2621] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2620] rt_sigprocmask(SIG_SETMASK, [] [pid 2619] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2617] <... futex resumed>) = 0 [pid 2621] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2620] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2619] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2617] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2621] <... futex resumed>) = 1 [pid 2620] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2619] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2618] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2621] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2620] <... futex resumed>) = 0 [pid 2619] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2618] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2621] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2620] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2619] <... futex resumed>) = 1 [pid 2618] <... futex resumed>) = 0 [pid 2617] <... futex resumed>) = 0 [pid 2621] mount(NULL, "./config", "configfs", 0, NULL [pid 2619] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2618] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2621] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2617] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2621] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2619] <... futex resumed>) = 0 [pid 2617] <... futex resumed>) = 1 [pid 311] <... restart_syscall resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2623 ci2-android-5-15/strace-static-x86_64: Process 2623 attached ci2-android-5-15/strace-static-x86_64: Process 2622 attached [pid 2621] <... futex resumed>) = 1 [pid 2619] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2618] <... futex resumed>) = 0 [pid 2617] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2623] set_robust_list(0x5555810c5760, 24 [pid 2622] set_robust_list(0x7f85c0c359a0, 24 [pid 2621] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2619] <... mkdirat resumed>) = 0 [pid 2618] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 2621] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2619] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2618] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2621] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2619] <... futex resumed>) = 1 [pid 2618] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2617] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2623] <... set_robust_list resumed>) = 0 [pid 2622] <... set_robust_list resumed>) = 0 [pid 2621] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2619] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2617] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 2624 attached [pid 2623] rt_sigprocmask(SIG_SETMASK, [] [pid 2622] rt_sigprocmask(SIG_SETMASK, [] [pid 2621] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2619] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2617] <... futex resumed>) = 0 [pid 2621] <... futex resumed>) = 1 [pid 2619] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2618] <... futex resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2624 [pid 2623] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2622] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2621] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2619] <... symlinkat resumed>) = 0 [pid 2618] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2617] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 2624] set_robust_list(0x5555810c5760, 24 [pid 2623] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2621] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2619] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2618] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2623] <... prctl resumed>) = 0 [pid 2621] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2619] <... futex resumed>) = 0 [pid 2618] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2617] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2624] <... set_robust_list resumed>) = 0 [pid 2623] setpgid(0, 0 [pid 2622] mkdirat(AT_FDCWD, "./config", 0777 [pid 2621] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2619] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2621] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2618] <... futex resumed>) = 0 [pid 2621] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2618] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2621] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2618] <... futex resumed>) = 0 [pid 2621] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2618] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2623] <... setpgid resumed>) = 0 [pid 2622] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2621] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2617] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2621] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2623] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2622] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2621] <... futex resumed>) = 1 [pid 2619] <... futex resumed>) = 0 [pid 2618] <... futex resumed>) = 0 [pid 2617] <... futex resumed>) = 1 [pid 2623] <... openat resumed>) = 3 [pid 2622] <... futex resumed>) = 1 [pid 2621] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2620] <... futex resumed>) = 0 [pid 2619] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2618] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2623] write(3, "1000", 4 [pid 2622] mount(NULL, "./config", "configfs", 0, NULL [pid 2621] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2620] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2619] <... unlinkat resumed>) = 0 [pid 2618] <... futex resumed>) = 0 [pid 2617] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2623] <... write resumed>) = 4 [pid 2622] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2621] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2620] <... futex resumed>) = 0 [pid 2619] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2618] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2617] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2623] close(3 [pid 2622] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2621] <... symlinkat resumed>) = 0 [pid 2620] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2619] <... futex resumed>) = 0 [pid 2617] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2623] <... close resumed>) = 0 [pid 2622] <... futex resumed>) = 0 [pid 2621] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2620] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2619] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2617] <... futex resumed>) = 0 [pid 2623] write(1, "executing program\n", 18 executing program [pid 2622] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2621] <... futex resumed>) = 1 [pid 2620] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2619] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 2618] <... futex resumed>) = 0 [pid 2617] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2623] <... write resumed>) = 18 [pid 2622] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2621] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2620] <... futex resumed>) = 0 [pid 2619] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2618] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2617] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2623] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2622] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2621] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2620] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2619] <... futex resumed>) = 0 [pid 2618] <... futex resumed>) = 0 [pid 2617] exit_group(0 [pid 2623] <... futex resumed>) = 0 [pid 2622] <... futex resumed>) = 0 [pid 2621] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2620] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2618] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2624] rt_sigprocmask(SIG_SETMASK, [] [pid 2623] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2622] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2621] <... unlinkat resumed>) = 0 [pid 2620] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2617] <... exit_group resumed>) = ? [pid 2623] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2622] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2621] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2620] <... futex resumed>) = 0 [pid 2619] +++ exited with 0 +++ [pid 2621] <... futex resumed>) = 1 [pid 2618] <... futex resumed>) = 0 [pid 2621] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2618] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2621] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2618] <... futex resumed>) = 0 [pid 2621] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2618] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2623] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2622] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2621] <... unlinkat resumed>) = 0 [pid 2620] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2617] +++ exited with 0 +++ [pid 2623] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2622] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2621] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2623] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2622] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2621] <... futex resumed>) = 1 [pid 2618] <... futex resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2617, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2623] <... mmap resumed>) = 0x7f85c0c15000 [pid 2622] <... futex resumed>) = 1 [pid 2621] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2620] <... futex resumed>) = 0 [pid 2618] exit_group(0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2623] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2622] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2621] <... futex resumed>) = ? [pid 2620] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2618] <... exit_group resumed>) = ? [pid 2624] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2623] <... mprotect resumed>) = 0 [pid 2622] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2621] +++ exited with 0 +++ [pid 2620] <... futex resumed>) = 0 [pid 2618] +++ exited with 0 +++ [pid 2623] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2622] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2620] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2623] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2618, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2624] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2624] <... prctl resumed>) = 0 [pid 2623] <... clone3 resumed> => {parent_tid=[2625]}, 88) = 2625 [pid 2622] <... mkdirat resumed>) = 0 [pid 2623] rt_sigprocmask(SIG_SETMASK, [] [pid 2622] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2623] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2622] <... futex resumed>) = 1 [pid 2620] <... futex resumed>) = 0 [pid 2623] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2622] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2620] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2623] <... futex resumed>) = 0 [pid 2622] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2620] <... futex resumed>) = 0 [pid 2623] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2622] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2620] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2624] setpgid(0, 0) = 0 [pid 2622] <... symlinkat resumed>) = 0 [pid 2624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2622] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2624] <... openat resumed>) = 3 [pid 2622] <... futex resumed>) = 1 [pid 2620] <... futex resumed>) = 0 [pid 2622] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2620] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2622] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2620] <... futex resumed>) = 0 [pid 2622] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2620] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... restart_syscall resumed>) = 0 [pid 2624] write(3, "1000", 4 [pid 2622] <... unlinkat resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2622] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2622] <... futex resumed>) = 1 [pid 2620] <... futex resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2622] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2620] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2624] <... write resumed>) = 4 [pid 2624] close(3) = 0 [pid 2624] write(1, "executing program\n", 18) = 18 [pid 2624] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... restart_syscall resumed>) = 0 [pid 2620] <... futex resumed>) = 0 [pid 2622] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2620] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2622] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2626 [pid 2624] <... futex resumed>) = 0 [pid 2624] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2624] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2622] <... unlinkat resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2622] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2624] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2624] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2624] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 executing program [pid 2622] <... futex resumed>) = 1 [pid 2620] <... futex resumed>) = 0 [pid 2624] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2622] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2620] exit_group(0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2627 [pid 2624] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2622] <... futex resumed>) = ? [pid 2620] <... exit_group resumed>) = ? [pid 2624] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 312] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 2625 attached [pid 2624] <... clone3 resumed> => {parent_tid=[2628]}, 88) = 2628 [pid 2625] set_robust_list(0x7f85c0c359a0, 24 [pid 2624] rt_sigprocmask(SIG_SETMASK, [] [pid 2625] <... set_robust_list resumed>) = 0 [pid 2624] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2625] rt_sigprocmask(SIG_SETMASK, [] [pid 2624] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2625] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2624] <... futex resumed>) = 0 [pid 2622] +++ exited with 0 +++ [pid 2620] +++ exited with 0 +++ [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2625] mkdirat(AT_FDCWD, "./config", 0777 [pid 2624] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2626 attached [pid 2625] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2620, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2625] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2623] <... futex resumed>) = 0 [pid 2625] mount(NULL, "./config", "configfs", 0, NULL [pid 2623] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2625] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2626] set_robust_list(0x5555810c5760, 24 [pid 2623] <... futex resumed>) = 0 [pid 2625] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2623] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2625] <... futex resumed>) = 0 [pid 2623] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2625] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2623] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2625] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2623] <... futex resumed>) = 0 [pid 2625] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2623] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2626] <... set_robust_list resumed>) = 0 [pid 2623] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2625] <... futex resumed>) = 0 [pid 2623] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2625] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2623] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2627 attached [pid 2625] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2623] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2626] rt_sigprocmask(SIG_SETMASK, [] [pid 2627] set_robust_list(0x5555810c5760, 24 [pid 2625] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2626] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2627] <... set_robust_list resumed>) = 0 [pid 2625] <... futex resumed>) = 1 [pid 2623] <... futex resumed>) = 0 [pid 2626] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2623] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2627] rt_sigprocmask(SIG_SETMASK, [] [pid 2626] <... prctl resumed>) = 0 [pid 2625] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2623] <... futex resumed>) = 0 [pid 2627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2626] setpgid(0, 0 [pid 2625] <... mkdirat resumed>) = 0 [pid 2623] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2627] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2626] <... setpgid resumed>) = 0 [pid 2625] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2623] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ci2-android-5-15/strace-static-x86_64: Process 2628 attached [pid 2627] <... prctl resumed>) = 0 [pid 2625] <... futex resumed>) = 0 [pid 2623] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2623] <... futex resumed>) = 0 [pid 2628] set_robust_list(0x7f85c0c359a0, 24 [pid 2627] setpgid(0, 0 [pid 2625] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2623] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2628] <... set_robust_list resumed>) = 0 [pid 2627] <... setpgid resumed>) = 0 [pid 2626] <... openat resumed>) = 3 [pid 2625] <... symlinkat resumed>) = 0 [pid 2628] rt_sigprocmask(SIG_SETMASK, [] [pid 2627] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2626] write(3, "1000", 4 [pid 2625] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2628] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2627] <... openat resumed>) = 3 [pid 2626] <... write resumed>) = 4 [pid 2625] <... futex resumed>) = 1 [pid 2623] <... futex resumed>) = 0 [pid 2628] mkdirat(AT_FDCWD, "./config", 0777 [pid 2627] write(3, "1000", 4 [pid 2626] close(3 [pid 2625] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2623] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2628] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2627] <... write resumed>) = 4 [pid 2626] <... close resumed>) = 0 [pid 2625] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2623] <... futex resumed>) = 0 [pid 2628] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2627] close(3 [pid 2626] write(1, "executing program\n", 18 [pid 2625] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2623] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2627] <... close resumed>) = 0 [pid 2625] <... unlinkat resumed>) = 0 [pid 2626] <... write resumed>) = 18 executing program [pid 2628] <... futex resumed>) = 1 [pid 2627] write(1, "executing program\n", 18 [pid 2625] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2624] <... futex resumed>) = 0 executing program [pid 2628] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2627] <... write resumed>) = 18 [pid 2626] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2625] <... futex resumed>) = 1 [pid 2624] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2623] <... futex resumed>) = 0 [pid 2628] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2627] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2626] <... futex resumed>) = 0 [pid 2625] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2624] <... futex resumed>) = 0 [pid 2623] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2628] mount(NULL, "./config", "configfs", 0, NULL [pid 2627] <... futex resumed>) = 0 [pid 2626] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2625] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2624] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2623] <... futex resumed>) = 0 [pid 2628] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2627] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2626] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2625] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2623] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2628] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2627] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2626] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2625] <... unlinkat resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 2628] <... futex resumed>) = 1 [pid 2627] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2626] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2625] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2624] <... futex resumed>) = 0 [pid 2628] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2626] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2625] <... futex resumed>) = 1 [pid 2624] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2623] <... futex resumed>) = 0 [pid 2628] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2627] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2626] <... mmap resumed>) = 0x7f85c0c15000 [pid 2625] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2624] <... futex resumed>) = 0 [pid 2623] exit_group(0 [pid 2628] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2627] <... mmap resumed>) = 0x7f85c0c15000 [pid 2626] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2625] <... futex resumed>) = ? [pid 2624] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2623] <... exit_group resumed>) = ? [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2628] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2627] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2626] <... mprotect resumed>) = 0 [pid 2625] +++ exited with 0 +++ [pid 2623] +++ exited with 0 +++ [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2628] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2626] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2623, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2628] <... futex resumed>) = 1 [pid 2627] <... mprotect resumed>) = 0 [pid 2626] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2624] <... futex resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2626] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2624] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2629 ci2-android-5-15/strace-static-x86_64: Process 2629 attached [pid 2628] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2627] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2624] <... futex resumed>) = 0 [pid 2628] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2627] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2626] <... clone3 resumed> => {parent_tid=[2630]}, 88) = 2630 [pid 2624] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 2630 attached [pid 2629] set_robust_list(0x5555810c5760, 24 [pid 2628] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2627] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2626] rt_sigprocmask(SIG_SETMASK, [] [pid 2624] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2630] set_robust_list(0x7f85c0c359a0, 24 [pid 2629] <... set_robust_list resumed>) = 0 [pid 2628] <... futex resumed>) = 0 [pid 2626] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2624] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2628] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2626] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2624] <... futex resumed>) = 0 [pid 2627] <... clone3 resumed> => {parent_tid=[2631]}, 88) = 2631 [pid 2628] <... mkdirat resumed>) = 0 [pid 2627] rt_sigprocmask(SIG_SETMASK, [] [pid 2630] <... set_robust_list resumed>) = 0 [pid 2629] rt_sigprocmask(SIG_SETMASK, [] [pid 2626] <... futex resumed>) = 0 [pid 2624] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2629] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2628] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2626] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2628] <... futex resumed>) = 0 [pid 2627] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2624] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2629] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2628] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2627] <... futex resumed>) = 0 [pid 2624] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2629] <... prctl resumed>) = 0 [pid 2628] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2627] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2624] <... futex resumed>) = 0 [pid 2629] setpgid(0, 0 [pid 2628] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2624] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2629] <... setpgid resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2631 attached [pid 2628] <... symlinkat resumed>) = 0 [pid 2631] set_robust_list(0x7f85c0c359a0, 24 [pid 2628] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2628] <... futex resumed>) = 1 [pid 2624] <... futex resumed>) = 0 [pid 2628] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2624] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2628] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2624] <... futex resumed>) = 0 [pid 2629] <... openat resumed>) = 3 [pid 2628] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2624] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2629] write(3, "1000", 4 [pid 2628] <... unlinkat resumed>) = 0 [pid 2629] <... write resumed>) = 4 [pid 2628] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2629] close(3 [pid 2628] <... futex resumed>) = 1 [pid 2624] <... futex resumed>) = 0 [pid 2628] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2624] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2629] <... close resumed>) = 0 [pid 2628] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2624] <... futex resumed>) = 0 [pid 2629] write(1, "executing program\n", 18 [pid 2628] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2629] <... write resumed>) = 18 [pid 2624] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2631] <... set_robust_list resumed>) = 0 executing program [pid 2631] rt_sigprocmask(SIG_SETMASK, [] [pid 2628] <... unlinkat resumed>) = 0 [pid 2629] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2628] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2631] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2628] <... futex resumed>) = 1 [pid 2624] <... futex resumed>) = 0 [pid 2629] <... futex resumed>) = 0 [pid 2628] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2631] mkdirat(AT_FDCWD, "./config", 0777 [pid 2630] rt_sigprocmask(SIG_SETMASK, [] [pid 2629] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2624] exit_group(0 [pid 2630] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2629] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2628] <... futex resumed>) = ? [pid 2624] <... exit_group resumed>) = ? [pid 2629] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2628] +++ exited with 0 +++ [pid 2631] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2631] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2627] <... futex resumed>) = 0 [pid 2631] mount(NULL, "./config", "configfs", 0, NULL [pid 2627] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2631] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2627] <... futex resumed>) = 0 [pid 2631] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2627] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2624] +++ exited with 0 +++ [pid 2631] <... futex resumed>) = 0 [pid 2630] mkdirat(AT_FDCWD, "./config", 0777 [pid 2629] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2627] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2624, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2631] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2630] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2629] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2627] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2631] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2630] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2629] <... mmap resumed>) = 0x7f85c0c15000 [pid 2627] <... futex resumed>) = 0 [pid 2631] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2630] <... futex resumed>) = 1 [pid 2629] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2627] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2626] <... futex resumed>) = 0 [pid 2631] <... futex resumed>) = 0 [pid 2630] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2629] <... mprotect resumed>) = 0 [pid 2627] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2626] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2631] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2629] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2627] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2626] <... futex resumed>) = 0 [pid 2631] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2630] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2629] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2627] <... futex resumed>) = 0 [pid 2626] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2631] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2630] mount(NULL, "./config", "configfs", 0, NULL [pid 2629] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2627] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2631] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2631] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2630] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2629] <... clone3 resumed> => {parent_tid=[2632]}, 88) = 2632 [pid 2627] <... futex resumed>) = 0 [pid 2631] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2630] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2629] rt_sigprocmask(SIG_SETMASK, [] [pid 2627] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2631] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2630] <... futex resumed>) = 1 [pid 2629] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2627] <... futex resumed>) = 0 [pid 2626] <... futex resumed>) = 0 [pid 2631] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2630] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2629] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2627] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2626] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2631] <... mkdirat resumed>) = 0 [pid 2630] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2629] <... futex resumed>) = 0 [pid 2631] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2626] <... futex resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 2631] <... futex resumed>) = 1 [pid 2630] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2629] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2627] <... futex resumed>) = 0 [pid 2626] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2631] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2630] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2627] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2631] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2630] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2627] <... futex resumed>) = 0 [pid 2631] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2630] <... futex resumed>) = 1 [pid 2627] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2626] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2631] <... symlinkat resumed>) = 0 [pid 2630] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2626] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2631] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2630] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2626] <... futex resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2631] <... futex resumed>) = 1 [pid 2630] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2627] <... futex resumed>) = 0 [pid 2626] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2631] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2627] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2631] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2627] <... futex resumed>) = 0 [pid 2631] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2627] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2631] <... unlinkat resumed>) = 0 [pid 2630] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... restart_syscall resumed>) = 0 [pid 2631] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2630] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2633 [pid 2631] <... futex resumed>) = 1 [pid 2630] <... futex resumed>) = 1 [pid 2627] <... futex resumed>) = 0 [pid 2626] <... futex resumed>) = 0 [pid 2631] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2630] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2627] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2626] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 2633 attached [pid 2631] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2630] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2627] <... futex resumed>) = 0 [pid 2626] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2631] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2630] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2627] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2626] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 2632 attached [pid 2633] set_robust_list(0x5555810c5760, 24 [pid 2631] <... unlinkat resumed>) = 0 [pid 2630] <... mkdirat resumed>) = 0 [pid 2632] set_robust_list(0x7f85c0c359a0, 24 [pid 2631] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2634 [pid 2632] <... set_robust_list resumed>) = 0 [pid 2631] <... futex resumed>) = 1 [pid 2630] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2627] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 2634 attached [pid 2633] <... set_robust_list resumed>) = 0 [pid 2632] rt_sigprocmask(SIG_SETMASK, [] [pid 2631] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2627] exit_group(0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2632] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2631] <... futex resumed>) = ? [pid 2627] <... exit_group resumed>) = ? [pid 2634] set_robust_list(0x5555810c5760, 24 [pid 2633] rt_sigprocmask(SIG_SETMASK, [] [pid 2632] mkdirat(AT_FDCWD, "./config", 0777 [pid 2631] +++ exited with 0 +++ [pid 2630] <... futex resumed>) = 1 [pid 2627] +++ exited with 0 +++ [pid 2626] <... futex resumed>) = 0 [pid 2632] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2632] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2629] <... futex resumed>) = 0 [pid 2633] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2632] mount(NULL, "./config", "configfs", 0, NULL [pid 2630] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2629] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2626] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2634] <... set_robust_list resumed>) = 0 [pid 2633] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2632] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2630] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2629] <... futex resumed>) = 0 [pid 2626] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2627, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2633] <... prctl resumed>) = 0 [pid 2632] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2630] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2629] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2626] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2633] setpgid(0, 0 [pid 2632] <... futex resumed>) = 0 [pid 2630] <... symlinkat resumed>) = 0 [pid 2629] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2633] <... setpgid resumed>) = 0 [pid 2632] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2630] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2629] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2632] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2630] <... futex resumed>) = 1 [pid 2629] <... futex resumed>) = 0 [pid 2626] <... futex resumed>) = 0 [pid 2633] <... openat resumed>) = 3 [pid 2632] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2630] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2629] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2626] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2633] write(3, "1000", 4 [pid 2632] <... futex resumed>) = 0 [pid 2630] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2629] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2626] <... futex resumed>) = 0 [pid 2633] <... write resumed>) = 4 [pid 2632] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2630] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2629] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2626] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2632] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2630] <... unlinkat resumed>) = 0 [pid 2629] <... futex resumed>) = 0 [pid 2633] close(3 [pid 2632] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2630] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2629] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2633] <... close resumed>) = 0 [pid 2632] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2630] <... futex resumed>) = 1 [pid 2626] <... futex resumed>) = 0 [pid 2633] write(1, "executing program\n", 18 [pid 2632] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2630] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2626] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 2633] <... write resumed>) = 18 [pid 2632] <... futex resumed>) = 1 [pid 2630] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2629] <... futex resumed>) = 0 [pid 2626] <... futex resumed>) = 0 [pid 2633] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2632] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2630] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2629] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2626] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2633] <... futex resumed>) = 0 [pid 2632] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2630] <... unlinkat resumed>) = 0 [pid 2629] <... futex resumed>) = 0 [pid 2633] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2632] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2630] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2629] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2634] rt_sigprocmask(SIG_SETMASK, [] [pid 2633] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2632] <... mkdirat resumed>) = 0 [pid 2630] <... futex resumed>) = 1 [pid 2626] <... futex resumed>) = 0 [pid 2634] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2633] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2632] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2630] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2626] exit_group(0 [pid 2633] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2632] <... futex resumed>) = 1 [pid 2629] <... futex resumed>) = 0 [pid 2626] <... exit_group resumed>) = ? [pid 2633] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2632] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2630] <... futex resumed>) = ? [pid 2629] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2633] <... mmap resumed>) = 0x7f85c0c15000 [pid 2632] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2629] <... futex resumed>) = 0 [pid 2632] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2629] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2632] <... symlinkat resumed>) = 0 [pid 2632] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2629] <... futex resumed>) = 0 [pid 2632] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2630] +++ exited with 0 +++ [pid 2629] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2626] +++ exited with 0 +++ [pid 2633] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2632] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2629] <... futex resumed>) = 0 [pid 2634] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2633] <... mprotect resumed>) = 0 [pid 2632] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2629] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2633] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2632] <... unlinkat resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2626, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2633] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2632] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2633] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2632] <... futex resumed>) = 1 [pid 2629] <... futex resumed>) = 0 [pid 2632] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2629] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2632] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2629] <... futex resumed>) = 0 [pid 2633] <... clone3 resumed> => {parent_tid=[2635]}, 88) = 2635 [pid 2632] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2629] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2635 attached [pid 2634] <... prctl resumed>) = 0 [pid 2633] rt_sigprocmask(SIG_SETMASK, [] [pid 2632] <... unlinkat resumed>) = 0 [pid 2633] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2632] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2634] setpgid(0, 0 [pid 2633] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2632] <... futex resumed>) = 1 [pid 2629] <... futex resumed>) = 0 [pid 2634] <... setpgid resumed>) = 0 [pid 2633] <... futex resumed>) = 0 [pid 2632] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2629] exit_group(0 [pid 2634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2633] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2632] <... futex resumed>) = ? [pid 2629] <... exit_group resumed>) = ? [pid 2635] set_robust_list(0x7f85c0c359a0, 24 [pid 2634] <... openat resumed>) = 3 [pid 2632] +++ exited with 0 +++ [pid 2629] +++ exited with 0 +++ [pid 2634] write(3, "1000", 4 [pid 2635] <... set_robust_list resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2629, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2634] <... write resumed>) = 4 [pid 304] <... restart_syscall resumed>) = 0 [pid 2635] rt_sigprocmask(SIG_SETMASK, [] [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2635] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2634] close(3 [pid 306] <... restart_syscall resumed>) = 0 [pid 2635] mkdirat(AT_FDCWD, "./config", 0777 [pid 2634] <... close resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2635] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2634] write(1, "executing program\n", 18 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2635] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2634] <... write resumed>) = 18 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD executing program [pid 2635] <... futex resumed>) = 1 [pid 2633] <... futex resumed>) = 0 [pid 2634] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2635] mount(NULL, "./config", "configfs", 0, NULL [pid 2634] <... futex resumed>) = 0 [pid 2633] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2637 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2636 ci2-android-5-15/strace-static-x86_64: Process 2638 attached ci2-android-5-15/strace-static-x86_64: Process 2636 attached ci2-android-5-15/strace-static-x86_64: Process 2637 attached [pid 2635] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2634] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2633] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 2638] set_robust_list(0x5555810c5760, 24 [pid 2636] set_robust_list(0x5555810c5760, 24 [pid 2637] set_robust_list(0x5555810c5760, 24 [pid 2634] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2633] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2638 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2638] <... set_robust_list resumed>) = 0 [pid 2636] <... set_robust_list resumed>) = 0 [pid 2637] <... set_robust_list resumed>) = 0 [pid 2634] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2638] rt_sigprocmask(SIG_SETMASK, [] [pid 2636] rt_sigprocmask(SIG_SETMASK, [] [pid 2637] rt_sigprocmask(SIG_SETMASK, [] [pid 2635] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2634] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2638] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2636] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2637] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2634] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2638] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2636] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2637] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2634] <... mmap resumed>) = 0x7f85c0c15000 [pid 2633] <... futex resumed>) = 0 [pid 2638] <... prctl resumed>) = 0 [pid 2636] <... prctl resumed>) = 0 [pid 2637] <... prctl resumed>) = 0 [pid 2634] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2638] setpgid(0, 0 [pid 2636] setpgid(0, 0 [pid 2637] setpgid(0, 0 [pid 2634] <... mprotect resumed>) = 0 [pid 2633] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2638] <... setpgid resumed>) = 0 [pid 2636] <... setpgid resumed>) = 0 [pid 2637] <... setpgid resumed>) = 0 [pid 2634] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2635] <... futex resumed>) = 1 [pid 2634] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2633] <... futex resumed>) = 0 [pid 2635] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2633] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2636] <... openat resumed>) = 3 [pid 2637] <... openat resumed>) = 3 [pid 2636] write(3, "1000", 4 [pid 2635] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2634] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2636] <... write resumed>) = 4 [pid 2637] write(3, "1000", 4 [pid 2635] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2637] <... write resumed>) = 4 [pid 2636] close(3 [pid 2635] <... futex resumed>) = 1 [pid 2633] <... futex resumed>) = 0 [pid 2636] <... close resumed>) = 0 [pid 2637] close(3 [pid 2635] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2634] <... clone3 resumed> => {parent_tid=[2639]}, 88) = 2639 [pid 2633] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2636] write(1, "executing program\n", 18 [pid 2637] <... close resumed>) = 0 executing program [pid 2635] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2634] rt_sigprocmask(SIG_SETMASK, [] [pid 2633] <... futex resumed>) = 0 [pid 2636] <... write resumed>) = 18 [pid 2637] write(1, "executing program\n", 18 [pid 2635] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2634] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2633] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2636] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2637] <... write resumed>) = 18 [pid 2635] <... futex resumed>) = 0 [pid 2634] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2633] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2638] <... openat resumed>) = 3 [pid 2636] <... futex resumed>) = 0 [pid 2637] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2635] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2634] <... futex resumed>) = 0 [pid 2633] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2638] write(3, "1000", 4 [pid 2636] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2637] <... futex resumed>) = 0 [pid 2635] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 2634] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2633] <... futex resumed>) = 0 [pid 2638] <... write resumed>) = 4 [pid 2636] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2637] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2635] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2633] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2639 attached [pid 2638] close(3 [pid 2636] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2637] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2638] <... close resumed>) = 0 [pid 2636] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2637] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2635] <... mkdirat resumed>) = 0 [pid 2638] write(1, "executing program\n", 18 [pid 2636] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2637] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 2635] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2638] <... write resumed>) = 18 [pid 2636] <... mmap resumed>) = 0x7f85c0c15000 [pid 2637] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2639] set_robust_list(0x7f85c0c359a0, 24 [pid 2635] <... futex resumed>) = 1 [pid 2633] <... futex resumed>) = 0 [pid 2638] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2636] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2637] <... mmap resumed>) = 0x7f85c0c15000 [pid 2635] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2633] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2638] <... futex resumed>) = 0 [pid 2636] <... mprotect resumed>) = 0 [pid 2637] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2635] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2633] <... futex resumed>) = 0 [pid 2639] <... set_robust_list resumed>) = 0 [pid 2638] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2636] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2637] <... mprotect resumed>) = 0 [pid 2635] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2633] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2639] rt_sigprocmask(SIG_SETMASK, [] [pid 2638] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2636] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2637] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2635] <... symlinkat resumed>) = 0 [pid 2638] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2636] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2637] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2635] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2638] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2637] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2635] <... futex resumed>) = 1 [pid 2633] <... futex resumed>) = 0 [pid 2638] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2636] <... clone3 resumed> => {parent_tid=[2640]}, 88) = 2640 [pid 2635] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2633] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2638] <... mmap resumed>) = 0x7f85c0c15000 [pid 2636] rt_sigprocmask(SIG_SETMASK, [] [pid 2635] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2633] <... futex resumed>) = 0 [pid 2639] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2638] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2636] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2637] <... clone3 resumed> => {parent_tid=[2641]}, 88) = 2641 [pid 2635] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2633] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2639] mkdirat(AT_FDCWD, "./config", 0777 [pid 2638] <... mprotect resumed>) = 0 [pid 2636] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2637] rt_sigprocmask(SIG_SETMASK, [] [pid 2635] <... unlinkat resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2640 attached [pid 2639] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2638] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2636] <... futex resumed>) = 0 [pid 2637] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2635] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2639] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2638] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2636] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2637] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2635] <... futex resumed>) = 1 [pid 2633] <... futex resumed>) = 0 [pid 2639] <... futex resumed>) = 1 [pid 2638] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2637] <... futex resumed>) = 0 [pid 2635] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2634] <... futex resumed>) = 0 [pid 2633] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2639] mount(NULL, "./config", "configfs", 0, NULL [pid 2637] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2635] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2634] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2633] <... futex resumed>) = 0 [pid 2639] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2638] <... clone3 resumed> => {parent_tid=[2642]}, 88) = 2642 [pid 2635] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2634] <... futex resumed>) = 0 [pid 2633] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2641 attached [pid 2640] set_robust_list(0x7f85c0c359a0, 24 [pid 2639] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2638] rt_sigprocmask(SIG_SETMASK, [] [pid 2635] <... unlinkat resumed>) = 0 [pid 2634] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2639] <... futex resumed>) = 0 [pid 2638] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2635] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2634] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2639] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2638] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2635] <... futex resumed>) = 1 [pid 2634] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2633] <... futex resumed>) = 0 [pid 2639] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2638] <... futex resumed>) = 0 [pid 2635] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2634] <... futex resumed>) = 0 [pid 2633] exit_group(0 [pid 2639] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2638] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2635] <... futex resumed>) = ? [pid 2634] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2633] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 2642 attached [pid 2641] set_robust_list(0x7f85c0c359a0, 24 [pid 2640] <... set_robust_list resumed>) = 0 [pid 2639] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2635] +++ exited with 0 +++ [pid 2642] set_robust_list(0x7f85c0c359a0, 24 [pid 2641] <... set_robust_list resumed>) = 0 [pid 2640] rt_sigprocmask(SIG_SETMASK, [] [pid 2639] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2633] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2633, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2639] <... futex resumed>) = 1 [pid 2634] <... futex resumed>) = 0 [pid 2641] rt_sigprocmask(SIG_SETMASK, [] [pid 2640] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2639] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2634] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2639] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2634] <... futex resumed>) = 0 [pid 2641] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2640] mkdirat(AT_FDCWD, "./config", 0777 [pid 2639] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2641] mkdirat(AT_FDCWD, "./config", 0777 [pid 2634] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2640] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2639] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2641] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2639] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2641] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2640] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2639] <... futex resumed>) = 1 [pid 2634] <... futex resumed>) = 0 [pid 2642] <... set_robust_list resumed>) = 0 [pid 2639] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2636] <... futex resumed>) = 0 [pid 2634] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2640] <... futex resumed>) = 1 [pid 2641] <... futex resumed>) = 1 [pid 2636] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2637] <... futex resumed>) = 0 [pid 2634] <... futex resumed>) = 0 [pid 2636] <... futex resumed>) = 0 [pid 2637] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2634] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2641] mount(NULL, "./config", "configfs", 0, NULL [pid 2640] mount(NULL, "./config", "configfs", 0, NULL [pid 2639] <... mkdirat resumed>) = 0 [pid 2636] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2637] <... futex resumed>) = 0 [pid 2639] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2637] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2640] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2639] <... futex resumed>) = 1 [pid 2634] <... futex resumed>) = 0 [pid 2642] rt_sigprocmask(SIG_SETMASK, [] [pid 2639] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2634] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2640] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2641] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2634] <... futex resumed>) = 0 [pid 2642] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2634] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2641] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2640] <... futex resumed>) = 1 [pid 2639] <... symlinkat resumed>) = 0 [pid 2636] <... futex resumed>) = 0 [pid 2640] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2639] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2636] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2641] <... futex resumed>) = 1 [pid 2639] <... futex resumed>) = 1 [pid 2636] <... futex resumed>) = 0 [pid 2640] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2637] <... futex resumed>) = 0 [pid 2634] <... futex resumed>) = 0 [pid 2641] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2640] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2639] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2636] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2637] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2634] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2641] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2640] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2639] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2637] <... futex resumed>) = 0 [pid 2634] <... futex resumed>) = 0 [pid 2641] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2640] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2639] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2637] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2634] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2640] <... futex resumed>) = 1 [pid 2639] <... unlinkat resumed>) = 0 [pid 2636] <... futex resumed>) = 0 [pid 2642] mkdirat(AT_FDCWD, "./config", 0777 [pid 2640] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2639] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2636] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2642] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2642] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2639] <... futex resumed>) = 1 [pid 2636] <... futex resumed>) = 0 [pid 2640] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2634] <... futex resumed>) = 0 [pid 2642] <... futex resumed>) = 1 [pid 2639] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2638] <... futex resumed>) = 0 [pid 2640] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2636] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2634] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2642] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2640] <... futex resumed>) = 0 [pid 2639] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2638] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2636] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2634] <... futex resumed>) = 0 [pid 2642] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2641] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2640] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2639] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2638] <... futex resumed>) = 0 [pid 2636] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2634] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2642] mount(NULL, "./config", "configfs", 0, NULL [pid 2638] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2636] <... futex resumed>) = 0 [pid 2642] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2641] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2640] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2639] <... unlinkat resumed>) = 0 [pid 2636] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2642] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2640] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2639] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2637] <... futex resumed>) = 0 [pid 2641] <... futex resumed>) = 1 [pid 2642] <... futex resumed>) = 1 [pid 2639] <... futex resumed>) = 1 [pid 2638] <... futex resumed>) = 0 [pid 2637] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2634] <... futex resumed>) = 0 [pid 2642] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2639] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2638] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2637] <... futex resumed>) = 0 [pid 2642] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2641] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2640] <... mkdirat resumed>) = 0 [pid 2638] <... futex resumed>) = 0 [pid 2637] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2634] exit_group(0 [pid 2642] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2641] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2640] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2638] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2634] <... exit_group resumed>) = ? [pid 2642] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2641] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2640] <... futex resumed>) = 1 [pid 2639] <... futex resumed>) = ? [pid 2636] <... futex resumed>) = 0 [pid 2642] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2637] <... futex resumed>) = 0 [pid 2642] <... futex resumed>) = 1 [pid 2638] <... futex resumed>) = 0 [pid 2636] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2637] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2642] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2638] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2636] <... futex resumed>) = 0 [pid 2637] <... futex resumed>) = 0 [pid 2642] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2638] <... futex resumed>) = 0 [pid 2636] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2637] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2642] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2638] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2642] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2642] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2639] +++ exited with 0 +++ [pid 2634] +++ exited with 0 +++ [pid 2642] <... futex resumed>) = 1 [pid 2641] <... futex resumed>) = 1 [pid 2640] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2638] <... futex resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 2642] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2638] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2634, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2642] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2641] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2640] <... symlinkat resumed>) = 0 [pid 2638] <... futex resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2642] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2640] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2638] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2642] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2641] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2640] <... futex resumed>) = 1 [pid 2636] <... futex resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2642] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2641] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2640] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2636] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2642] <... futex resumed>) = 1 [pid 2641] <... futex resumed>) = 1 [pid 2640] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2638] <... futex resumed>) = 0 [pid 2636] <... futex resumed>) = 0 [pid 2637] <... futex resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2642] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2641] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2640] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2638] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2636] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2637] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2642] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2638] <... futex resumed>) = 0 [pid 2642] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2638] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2637] <... futex resumed>) = 0 [pid 2642] <... symlinkat resumed>) = 0 [pid 2641] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2640] <... unlinkat resumed>) = 0 [pid 2637] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2643 [pid 2642] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2641] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2640] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2642] <... futex resumed>) = 1 [pid 2638] <... futex resumed>) = 0 [pid 2642] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2638] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2642] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2638] <... futex resumed>) = 0 [pid 2642] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2640] <... futex resumed>) = 1 [pid 2638] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2636] <... futex resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2644 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 2642] <... unlinkat resumed>) = 0 [pid 2641] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 2640] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2636] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 2643 attached [pid 2642] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2641] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2640] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2636] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2642] <... futex resumed>) = 1 [pid 2641] <... futex resumed>) = 1 [pid 2640] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2638] <... futex resumed>) = 0 [pid 2636] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2637] <... futex resumed>) = 0 [pid 2642] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2641] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2638] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2637] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2643] set_robust_list(0x5555810c5760, 24 [pid 2642] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2641] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2640] <... unlinkat resumed>) = 0 [pid 2638] <... futex resumed>) = 0 [pid 2637] <... futex resumed>) = 0 [pid 2643] <... set_robust_list resumed>) = 0 [pid 2642] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2641] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2640] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2638] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2637] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2643] rt_sigprocmask(SIG_SETMASK, [] [pid 2642] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2641] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2640] <... futex resumed>) = 1 [pid 2636] <... futex resumed>) = 0 [pid 2643] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2642] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2641] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2640] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2636] exit_group(0 [pid 2643] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2642] <... futex resumed>) = 1 [pid 2641] <... futex resumed>) = 1 [pid 2638] <... futex resumed>) = 0 [pid 2636] <... exit_group resumed>) = ? [pid 2640] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 2637] <... futex resumed>) = 0 [pid 2643] <... prctl resumed>) = 0 [pid 2642] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2641] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2638] exit_group(0 [pid 2637] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2643] setpgid(0, 0 [pid 2642] <... futex resumed>) = ? [pid 2638] <... exit_group resumed>) = ? [pid 2643] <... setpgid resumed>) = 0 [pid 2642] +++ exited with 0 +++ [pid 2641] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2640] +++ exited with 0 +++ [pid 2638] +++ exited with 0 +++ [pid 2636] +++ exited with 0 +++ [pid 2637] <... futex resumed>) = 0 [pid 2641] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2637] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2638, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2641] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2636, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2641] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 2644 attached [pid 2643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2641] <... futex resumed>) = 1 [pid 2637] <... futex resumed>) = 0 [pid 2641] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2637] exit_group(0 [pid 2644] set_robust_list(0x5555810c5760, 24 [pid 2643] <... openat resumed>) = 3 [pid 2641] <... futex resumed>) = ? [pid 2637] <... exit_group resumed>) = ? [pid 2644] <... set_robust_list resumed>) = 0 [pid 2643] write(3, "1000", 4 [pid 2641] +++ exited with 0 +++ [pid 2644] rt_sigprocmask(SIG_SETMASK, [] [pid 2643] <... write resumed>) = 4 [pid 2644] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2643] close(3 [pid 2644] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2643] <... close resumed>) = 0 [pid 2637] +++ exited with 0 +++ [pid 2644] <... prctl resumed>) = 0 [pid 2643] write(1, "executing program\n", 18 [pid 2644] setpgid(0, 0 [pid 2643] <... write resumed>) = 18 [pid 2644] <... setpgid resumed>) = 0 executing program [pid 2643] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2643] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2637, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2644] <... openat resumed>) = 3 [pid 2643] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2644] write(3, "1000", 4 [pid 2643] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2644] <... write resumed>) = 4 [pid 2643] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2644] close(3 [pid 2643] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2644] <... close resumed>) = 0 [pid 2643] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2644] write(1, "executing program\n", 18 [pid 2643] <... mmap resumed>) = 0x7f85c0c15000 [pid 2643] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 executing program [pid 2643] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2644] <... write resumed>) = 18 [pid 2643] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2643] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[2645]}, 88) = 2645 [pid 2644] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2643] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2643] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2643] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2645 attached [pid 2645] set_robust_list(0x7f85c0c359a0, 24 [pid 2644] <... futex resumed>) = 0 [pid 2645] <... set_robust_list resumed>) = 0 [pid 2644] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2645] rt_sigprocmask(SIG_SETMASK, [] [pid 2644] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2645] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2644] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2644] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2645] mkdirat(AT_FDCWD, "./config", 0777 [pid 2644] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2645] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2644] <... mprotect resumed>) = 0 [pid 2645] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2644] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2643] <... futex resumed>) = 0 [pid 2644] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2643] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2644] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2643] <... futex resumed>) = 0 [pid 2643] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2644] <... clone3 resumed> => {parent_tid=[2646]}, 88) = 2646 [pid 2645] <... futex resumed>) = 1 [pid 2644] rt_sigprocmask(SIG_SETMASK, [] [pid 2645] mount(NULL, "./config", "configfs", 0, NULL [pid 2644] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2644] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2644] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2646 attached [pid 2645] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2645] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2643] <... futex resumed>) = 0 [pid 2643] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2643] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2645] <... futex resumed>) = 1 [pid 2645] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 2645] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2643] <... futex resumed>) = 0 [pid 2643] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2643] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2645] <... futex resumed>) = 1 [pid 2645] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2646] set_robust_list(0x7f85c0c359a0, 24 [pid 2645] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... restart_syscall resumed>) = 0 [pid 2645] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2643] <... futex resumed>) = 0 [pid 2643] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2643] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2645] <... futex resumed>) = 1 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2645] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2645] <... mkdirat resumed>) = 0 [pid 2645] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2643] <... futex resumed>) = 0 [pid 2643] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2647 [pid 306] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 2643] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2645] <... futex resumed>) = 1 [pid 2645] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2645] <... symlinkat resumed>) = 0 [pid 2645] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2643] <... futex resumed>) = 0 [pid 2643] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2643] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2645] <... futex resumed>) = 1 [pid 2645] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2648 [pid 2645] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2649 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2643] <... futex resumed>) = 0 [pid 2643] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 2643] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2643] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2645] <... futex resumed>) = 1 [pid 2645] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2646] <... set_robust_list resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2649 attached [pid 2646] rt_sigprocmask(SIG_SETMASK, [] [pid 2645] <... unlinkat resumed>) = 0 [pid 2645] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2643] <... futex resumed>) = 0 [pid 2643] exit_group(0) = ? [pid 2646] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 2647 attached [pid 2649] set_robust_list(0x5555810c5760, 24 [pid 2645] <... futex resumed>) = ? [pid 2649] <... set_robust_list resumed>) = 0 [pid 2647] set_robust_list(0x5555810c5760, 24 [pid 2646] mkdirat(AT_FDCWD, "./config", 0777 [pid 2645] +++ exited with 0 +++ [pid 2643] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 2648 attached [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2643, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2648] set_robust_list(0x5555810c5760, 24 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2648] <... set_robust_list resumed>) = 0 [pid 2648] rt_sigprocmask(SIG_SETMASK, [] [pid 2646] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2649] rt_sigprocmask(SIG_SETMASK, [] [pid 2647] <... set_robust_list resumed>) = 0 [pid 2648] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2646] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2648] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2648] setpgid(0, 0 [pid 2649] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2647] rt_sigprocmask(SIG_SETMASK, [] [pid 2646] <... futex resumed>) = 1 [pid 2644] <... futex resumed>) = 0 [pid 2648] <... setpgid resumed>) = 0 [pid 2646] mount(NULL, "./config", "configfs", 0, NULL [pid 2644] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2646] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2644] <... futex resumed>) = 0 [pid 2648] <... openat resumed>) = 3 [pid 2646] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2644] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2649] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2646] <... futex resumed>) = 0 [pid 2644] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2648] write(3, "1000", 4 [pid 2646] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2644] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2648] <... write resumed>) = 4 [pid 2644] <... futex resumed>) = 0 [pid 2646] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2644] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2648] close(3 [pid 2646] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2648] <... close resumed>) = 0 executing program [pid 2648] write(1, "executing program\n", 18) = 18 [pid 2648] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2648] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2646] <... futex resumed>) = 1 [pid 2644] <... futex resumed>) = 0 [pid 2648] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2646] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2644] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2648] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2646] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2644] <... futex resumed>) = 0 [pid 2648] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2646] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2644] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2648] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2646] <... futex resumed>) = 0 [pid 2644] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2648] <... mmap resumed>) = 0x7f85c0c15000 [pid 2646] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2644] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2648] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2644] <... futex resumed>) = 0 [pid 2648] <... mprotect resumed>) = 0 [pid 2644] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2649] <... prctl resumed>) = 0 [pid 2648] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2646] <... mkdirat resumed>) = 0 [pid 2648] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2648] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2649] setpgid(0, 0 [pid 2646] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2649] <... setpgid resumed>) = 0 [pid 2647] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2646] <... futex resumed>) = 1 [pid 2644] <... futex resumed>) = 0 [pid 2646] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2644] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2646] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2644] <... futex resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 2644] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2646] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2649] <... openat resumed>) = 3 [pid 2648] <... clone3 resumed> => {parent_tid=[2650]}, 88) = 2650 [pid 2648] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2649] write(3, "1000", 4 [pid 2646] <... symlinkat resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2649] <... write resumed>) = 4 [pid 2646] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2649] close(3 [pid 2646] <... futex resumed>) = 1 [pid 2644] <... futex resumed>) = 0 [pid 2648] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2648] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2648] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2650 attached [pid 2650] set_robust_list(0x7f85c0c359a0, 24 [pid 2644] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2649] <... close resumed>) = 0 [pid 2646] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2644] <... futex resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2651 [pid 2644] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 2650] <... set_robust_list resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2649] write(1, "executing program\n", 18 [pid 2647] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2646] <... unlinkat resumed>) = 0 [pid 2646] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2649] <... write resumed>) = 18 [pid 2647] <... prctl resumed>) = 0 [pid 2646] <... futex resumed>) = 1 [pid 2644] <... futex resumed>) = 0 [pid 2649] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2647] setpgid(0, 0 [pid 2646] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL executing program [pid 2644] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2649] <... futex resumed>) = 0 [pid 2647] <... setpgid resumed>) = 0 [pid 2646] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2644] <... futex resumed>) = 0 [pid 2649] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2646] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2644] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2650] rt_sigprocmask(SIG_SETMASK, [] [pid 2649] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2646] <... unlinkat resumed>) = 0 [pid 2650] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2649] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2646] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2647] <... openat resumed>) = 3 [pid 2649] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2646] <... futex resumed>) = 1 [pid 2644] <... futex resumed>) = 0 [pid 2649] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2646] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2649] <... mmap resumed>) = 0x7f85c0c15000 [pid 2647] write(3, "1000", 4 [pid 2644] exit_group(0 [pid 2650] mkdirat(AT_FDCWD, "./config", 0777 [pid 2649] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2647] <... write resumed>) = 4 [pid 2646] <... futex resumed>) = ? [pid 2644] <... exit_group resumed>) = ? [pid 2650] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2650] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2648] <... futex resumed>) = 0 [pid 2648] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2648] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2650] <... futex resumed>) = 1 [pid 2650] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 2649] <... mprotect resumed>) = 0 [pid 2647] close(3 [pid 2646] +++ exited with 0 +++ [pid 2644] +++ exited with 0 +++ [pid 2650] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2644, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2649] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2647] <... close resumed>) = 0 [pid 2649] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2648] <... futex resumed>) = 0 [pid 2648] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2648] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2650] <... futex resumed>) = 1 [pid 2650] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2649] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2647] write(1, "executing program\n", 18 [pid 2650] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2650] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2648] <... futex resumed>) = 0 executing program [pid 2648] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2647] <... write resumed>) = 18 [pid 2648] <... futex resumed>) = 0 [pid 2648] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2650] <... futex resumed>) = 1 [pid 2650] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2649] <... clone3 resumed> => {parent_tid=[2652]}, 88) = 2652 [pid 2647] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2649] rt_sigprocmask(SIG_SETMASK, [] [pid 2650] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2649] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2647] <... futex resumed>) = 0 [pid 2650] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2649] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2650] <... futex resumed>) = 1 [pid 2649] <... futex resumed>) = 0 [pid 2648] <... futex resumed>) = 0 [pid 2647] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2650] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2649] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2648] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2652 attached [pid 2650] <... mkdirat resumed>) = 0 [pid 2648] <... futex resumed>) = 0 [pid 2647] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2650] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2648] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2647] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2650] <... futex resumed>) = 0 [pid 2648] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2647] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2650] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2648] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2650] <... symlinkat resumed>) = 0 [pid 2648] <... futex resumed>) = 0 [pid 2647] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0ci2-android-5-15/strace-static-x86_64: Process 2651 attached [pid 2652] set_robust_list(0x7f85c0c359a0, 24 [pid 2650] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2648] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2651] set_robust_list(0x5555810c5760, 24 [pid 2650] <... futex resumed>) = 0 [pid 2648] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2647] <... mmap resumed>) = 0x7f85c0c15000 [pid 2651] <... set_robust_list resumed>) = 0 [pid 2650] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2648] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2647] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2652] <... set_robust_list resumed>) = 0 [pid 2651] rt_sigprocmask(SIG_SETMASK, [] [pid 2650] <... unlinkat resumed>) = 0 [pid 2648] <... futex resumed>) = 0 [pid 2651] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2650] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2648] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2647] <... mprotect resumed>) = 0 [pid 2651] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2650] <... futex resumed>) = 0 [pid 2648] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2647] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2651] <... prctl resumed>) = 0 [pid 2650] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2648] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2647] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2652] rt_sigprocmask(SIG_SETMASK, [] [pid 2651] setpgid(0, 0 [pid 2650] <... unlinkat resumed>) = 0 [pid 2648] <... futex resumed>) = 0 [pid 2651] <... setpgid resumed>) = 0 [pid 2650] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2648] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2647] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2652] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2651] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2650] <... futex resumed>) = 0 [pid 2648] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2651] <... openat resumed>) = 3 [pid 2650] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2652] mkdirat(AT_FDCWD, "./config", 0777 [pid 2648] exit_group(0 [pid 2651] write(3, "1000", 4 [pid 2650] <... futex resumed>) = ? [pid 2648] <... exit_group resumed>) = ? [pid 2647] <... clone3 resumed> => {parent_tid=[2653]}, 88) = 2653 ci2-android-5-15/strace-static-x86_64: Process 2653 attached [pid 2652] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2651] <... write resumed>) = 4 [pid 2650] +++ exited with 0 +++ [pid 2648] +++ exited with 0 +++ [pid 2647] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... restart_syscall resumed>) = 0 [pid 2652] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2647] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2647] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2648, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2647] <... futex resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2649] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2647] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2652] <... futex resumed>) = 1 [pid 2649] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2652] mount(NULL, "./config", "configfs", 0, NULL [pid 2649] <... futex resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2649] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2651] close(3) = 0 [pid 2651] write(1, "executing program\n", 18) = 18 [pid 2651] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2651] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2651] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2654 [pid 2652] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2651] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 2652] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2651] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 2652] <... futex resumed>) = 1 [pid 2651] <... mmap resumed>) = 0x7f85c0c15000 [pid 2649] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2651] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2649] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2652] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2651] <... mprotect resumed>) = 0 [pid 2649] <... futex resumed>) = 0 [pid 2653] set_robust_list(0x7f85c0c359a0, 24 [pid 2652] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2651] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2649] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2651] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 2652] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2651] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[2655]}, 88) = 2655 [pid 2652] <... futex resumed>) = 1 [pid 2651] rt_sigprocmask(SIG_SETMASK, [] [pid 2649] <... futex resumed>) = 0 [pid 2651] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2649] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2652] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2651] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2649] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2652] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2651] <... futex resumed>) = 0 [pid 2649] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2652] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2651] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2654 attached [pid 2654] set_robust_list(0x5555810c5760, 24) = 0 [pid 2654] rt_sigprocmask(SIG_SETMASK, [] [pid 2652] <... futex resumed>) = 1 [pid 2649] <... futex resumed>) = 0 [pid 2649] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2652] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2649] <... futex resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2656 [pid 2649] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2654] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2654] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2652] <... mkdirat resumed>) = 0 [pid 2654] <... prctl resumed>) = 0 [pid 2654] setpgid(0, 0) = 0 [pid 2654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-5-15/strace-static-x86_64: Process 2656 attached [pid 2653] <... set_robust_list resumed>) = 0 [pid 2652] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2656] set_robust_list(0x5555810c5760, 24 [pid 2654] <... openat resumed>) = 3 [pid 2653] rt_sigprocmask(SIG_SETMASK, [] [pid 2652] <... futex resumed>) = 1 [pid 2649] <... futex resumed>) = 0 [pid 2652] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2649] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2652] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2649] <... futex resumed>) = 0 [pid 2652] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2649] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2655 attached [pid 2656] <... set_robust_list resumed>) = 0 [pid 2654] write(3, "1000", 4 [pid 2652] <... symlinkat resumed>) = 0 [pid 2654] <... write resumed>) = 4 [pid 2652] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2654] close(3 [pid 2653] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2652] <... futex resumed>) = 1 [pid 2649] <... futex resumed>) = 0 [pid 2652] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2649] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2652] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2649] <... futex resumed>) = 0 [pid 2653] mkdirat(AT_FDCWD, "./config", 0777 [pid 2652] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2649] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2654] <... close resumed>) = 0 [pid 2652] <... unlinkat resumed>) = 0 [pid 2653] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2652] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2654] write(1, "executing program\n", 18 [pid 2652] <... futex resumed>) = 1 [pid 2649] <... futex resumed>) = 0 [pid 2653] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2652] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2649] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2652] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2647] <... futex resumed>) = 0 [pid 2649] <... futex resumed>) = 0 [pid 2653] <... futex resumed>) = 1 [pid 2652] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2649] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2647] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2653] mount(NULL, "./config", "configfs", 0, NULL [pid 2654] <... write resumed>) = 18 [pid 2652] <... unlinkat resumed>) = 0 [pid 2647] <... futex resumed>) = 0 [pid 2656] rt_sigprocmask(SIG_SETMASK, [] [pid 2655] set_robust_list(0x7f85c0c359a0, 24 executing program [pid 2654] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2653] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2652] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2647] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2653] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2652] <... futex resumed>) = 1 [pid 2649] <... futex resumed>) = 0 [pid 2647] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2653] <... futex resumed>) = 0 [pid 2652] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2649] exit_group(0 [pid 2647] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2653] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2649] <... exit_group resumed>) = ? [pid 2647] <... futex resumed>) = 0 [pid 2652] <... futex resumed>) = ? [pid 2656] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2655] <... set_robust_list resumed>) = 0 [pid 2654] <... futex resumed>) = 0 [pid 2656] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2655] rt_sigprocmask(SIG_SETMASK, [] [pid 2654] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2647] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2656] <... prctl resumed>) = 0 [pid 2655] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2654] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2656] setpgid(0, 0 [pid 2655] mkdirat(AT_FDCWD, "./config", 0777 [pid 2654] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2656] <... setpgid resumed>) = 0 [pid 2655] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2654] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2653] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2652] +++ exited with 0 +++ [pid 2649] +++ exited with 0 +++ [pid 2656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2655] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2654] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2656] <... openat resumed>) = 3 [pid 2655] <... futex resumed>) = 1 [pid 2654] <... mmap resumed>) = 0x7f85c0c15000 [pid 2651] <... futex resumed>) = 0 [pid 2656] write(3, "1000", 4 [pid 2655] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2654] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2651] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2656] <... write resumed>) = 4 [pid 2655] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2654] <... mprotect resumed>) = 0 [pid 2653] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2651] <... futex resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2649, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2656] close(3 [pid 2655] mount(NULL, "./config", "configfs", 0, NULL [pid 2654] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2653] <... futex resumed>) = 1 [pid 2651] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2647] <... futex resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2656] <... close resumed>) = 0 [pid 2655] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2654] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2653] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2647] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2656] write(1, "executing program\n", 18 [pid 2655] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2654] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2653] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2647] <... futex resumed>) = 0 [pid 2656] <... write resumed>) = 18 executing program [pid 2655] <... futex resumed>) = 1 [pid 2653] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2651] <... futex resumed>) = 0 [pid 2647] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2656] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2655] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2654] <... clone3 resumed> => {parent_tid=[2657]}, 88) = 2657 [pid 2653] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2651] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2656] <... futex resumed>) = 0 [pid 2655] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2654] rt_sigprocmask(SIG_SETMASK, [] [pid 2653] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2651] <... futex resumed>) = 0 [pid 2656] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2655] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2654] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2653] <... futex resumed>) = 1 [pid 2651] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2647] <... futex resumed>) = 0 [pid 2656] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2655] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2654] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2653] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2647] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2656] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2655] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2654] <... futex resumed>) = 0 [pid 2653] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2647] <... futex resumed>) = 0 [pid 2656] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2655] <... futex resumed>) = 1 [pid 2654] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2653] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2651] <... futex resumed>) = 0 [pid 2647] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... restart_syscall resumed>) = 0 [pid 2656] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2655] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2651] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2653] <... mkdirat resumed>) = 0 [pid 2656] <... mmap resumed>) = 0x7f85c0c15000 [pid 2655] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2651] <... futex resumed>) = 0 [pid 2656] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2655] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2653] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2651] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2656] <... mprotect resumed>) = 0 [pid 2655] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2653] <... futex resumed>) = 1 [pid 2647] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2656] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2655] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2653] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2647] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 2657 attached [pid 2656] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2655] <... futex resumed>) = 1 [pid 2653] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2651] <... futex resumed>) = 0 [pid 2647] <... futex resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2657] set_robust_list(0x7f85c0c359a0, 24 [pid 2656] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2655] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2653] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2651] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2647] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2655] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2651] <... futex resumed>) = 0 [pid 2657] <... set_robust_list resumed>) = 0 [pid 2656] <... clone3 resumed> => {parent_tid=[2658]}, 88) = 2658 [pid 2655] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2653] <... symlinkat resumed>) = 0 [pid 2651] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2659 [pid 2657] rt_sigprocmask(SIG_SETMASK, [] [pid 2656] rt_sigprocmask(SIG_SETMASK, [] [pid 2655] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2653] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2656] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2655] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2653] <... futex resumed>) = 1 [pid 2647] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 2657] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2656] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2655] <... futex resumed>) = 1 [pid 2653] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2651] <... futex resumed>) = 0 [pid 2647] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2657] mkdirat(AT_FDCWD, "./config", 0777 [pid 2656] <... futex resumed>) = 0 [pid 2655] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2653] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2651] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2647] <... futex resumed>) = 0 [pid 2657] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2656] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2655] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2653] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2651] <... futex resumed>) = 0 [pid 2647] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2655] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2651] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2653] <... unlinkat resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2658 attached [pid 2657] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2655] <... symlinkat resumed>) = 0 [pid 2653] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2655] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2657] <... futex resumed>) = 1 [pid 2655] <... futex resumed>) = 1 [pid 2654] <... futex resumed>) = 0 [pid 2653] <... futex resumed>) = 1 [pid 2651] <... futex resumed>) = 0 [pid 2647] <... futex resumed>) = 0 [pid 2657] mount(NULL, "./config", "configfs", 0, NULL [pid 2655] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2654] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2653] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2651] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2647] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2657] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2655] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2654] <... futex resumed>) = 0 [pid 2653] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2651] <... futex resumed>) = 0 [pid 2647] <... futex resumed>) = 0 [pid 2657] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2655] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2654] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2653] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2651] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2647] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2658] set_robust_list(0x7f85c0c359a0, 24 [pid 2657] <... futex resumed>) = 0 [pid 2655] <... unlinkat resumed>) = 0 [pid 2654] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ci2-android-5-15/strace-static-x86_64: Process 2659 attached [pid 2657] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2655] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2654] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2653] <... unlinkat resumed>) = 0 [pid 2659] set_robust_list(0x5555810c5760, 24 [pid 2658] <... set_robust_list resumed>) = 0 [pid 2657] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2655] <... futex resumed>) = 1 [pid 2654] <... futex resumed>) = 0 [pid 2653] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2651] <... futex resumed>) = 0 [pid 2659] <... set_robust_list resumed>) = 0 [pid 2657] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2655] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2654] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2653] <... futex resumed>) = 1 [pid 2651] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2647] <... futex resumed>) = 0 [pid 2659] rt_sigprocmask(SIG_SETMASK, [] [pid 2658] rt_sigprocmask(SIG_SETMASK, [] [pid 2657] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2655] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2653] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2651] <... futex resumed>) = 0 [pid 2659] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2657] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2655] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2651] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2647] exit_group(0 [pid 2659] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2658] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2657] <... futex resumed>) = 1 [pid 2655] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2654] <... futex resumed>) = 0 [pid 2647] <... exit_group resumed>) = ? [pid 2659] <... prctl resumed>) = 0 [pid 2657] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2655] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2654] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2653] <... futex resumed>) = ? [pid 2659] setpgid(0, 0 [pid 2657] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2655] <... futex resumed>) = 1 [pid 2654] <... futex resumed>) = 0 [pid 2651] <... futex resumed>) = 0 [pid 2659] <... setpgid resumed>) = 0 [pid 2655] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2651] exit_group(0 [pid 2659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2655] <... futex resumed>) = ? [pid 2651] <... exit_group resumed>) = ? [pid 2659] <... openat resumed>) = 3 [pid 2658] mkdirat(AT_FDCWD, "./config", 0777 [pid 2657] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2655] +++ exited with 0 +++ [pid 2654] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2653] +++ exited with 0 +++ [pid 2651] +++ exited with 0 +++ [pid 2647] +++ exited with 0 +++ [pid 2657] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2659] write(3, "1000", 4 [pid 2657] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2647, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2651, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2657] <... futex resumed>) = 1 [pid 2654] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2657] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2654] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2658] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2657] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2654] <... futex resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 2658] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2657] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2654] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2659] <... write resumed>) = 4 [pid 2659] close(3 [pid 2657] <... mkdirat resumed>) = 0 [pid 2659] <... close resumed>) = 0 [pid 2659] write(1, "executing program\n", 18) = 18 executing program [pid 2658] <... futex resumed>) = 1 [pid 2657] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2656] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2659] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2658] mount(NULL, "./config", "configfs", 0, NULL [pid 2657] <... futex resumed>) = 1 [pid 2656] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2654] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2659] <... futex resumed>) = 0 [pid 2658] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2657] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2656] <... futex resumed>) = 0 [pid 2654] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2659] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2658] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2657] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2656] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2654] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2659] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2656] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2659] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2656] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2654] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2659] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2658] <... futex resumed>) = 0 [pid 2657] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2656] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2660 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2659] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2656] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2659] <... mmap resumed>) = 0x7f85c0c15000 [pid 2657] <... symlinkat resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 2659] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2659] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2657] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2659] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2658] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2661 [pid 2659] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2657] <... futex resumed>) = 1 [pid 2654] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2660 attached [pid 2658] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2657] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2654] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 2661 attached [pid 2660] set_robust_list(0x5555810c5760, 24 [pid 2659] <... clone3 resumed> => {parent_tid=[2662]}, 88) = 2662 [pid 2658] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2657] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2654] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2660] <... set_robust_list resumed>) = 0 [pid 2659] rt_sigprocmask(SIG_SETMASK, [] [pid 2658] <... futex resumed>) = 1 [pid 2657] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2656] <... futex resumed>) = 0 [pid 2654] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2661] set_robust_list(0x5555810c5760, 24 [pid 2660] rt_sigprocmask(SIG_SETMASK, [] [pid 2659] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2658] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2657] <... unlinkat resumed>) = 0 [pid 2656] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2660] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2659] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2658] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2657] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2656] <... futex resumed>) = 0 [pid 2661] <... set_robust_list resumed>) = 0 [pid 2660] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2659] <... futex resumed>) = 0 [pid 2658] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2657] <... futex resumed>) = 1 [pid 2656] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2654] <... futex resumed>) = 0 [pid 2660] <... prctl resumed>) = 0 [pid 2659] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2658] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2657] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2654] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2661] rt_sigprocmask(SIG_SETMASK, [] [pid 2660] setpgid(0, 0 [pid 2658] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2657] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2654] <... futex resumed>) = 0 [pid 2661] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2660] <... setpgid resumed>) = 0 [pid 2658] <... futex resumed>) = 1 [pid 2657] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2656] <... futex resumed>) = 0 [pid 2654] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2661] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2660] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2658] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2657] <... unlinkat resumed>) = 0 [pid 2656] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2661] <... prctl resumed>) = 0 [pid 2660] <... openat resumed>) = 3 [pid 2658] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2657] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2656] <... futex resumed>) = 0 [pid 2661] setpgid(0, 0 [pid 2660] write(3, "1000", 4 [pid 2658] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2657] <... futex resumed>) = 1 [pid 2656] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2654] <... futex resumed>) = 0 [pid 2660] <... write resumed>) = 4 [pid 2657] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2660] close(3 [pid 2654] exit_group(0 [pid 2661] <... setpgid resumed>) = 0 [pid 2660] <... close resumed>) = 0 [pid 2658] <... mkdirat resumed>) = 0 [pid 2654] <... exit_group resumed>) = ? [pid 2660] write(1, "executing program\n", 18 [pid 2658] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2657] <... futex resumed>) = ? [pid 2660] <... write resumed>) = 18 [pid 2656] <... futex resumed>) = 0 [pid 2660] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2656] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2662 attached [pid 2660] <... futex resumed>) = 0 [pid 2656] <... futex resumed>) = 0 [pid 2662] set_robust_list(0x7f85c0c359a0, 24 [pid 2660] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2656] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2662] <... set_robust_list resumed>) = 0 [pid 2660] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2662] rt_sigprocmask(SIG_SETMASK, [] [pid 2660] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2657] +++ exited with 0 +++ [pid 2654] +++ exited with 0 +++ [pid 2662] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2660] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 2658] <... futex resumed>) = 1 [pid 2661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2662] mkdirat(AT_FDCWD, "./config", 0777 [pid 2660] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2658] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2654, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2662] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2661] <... openat resumed>) = 3 [pid 2660] <... mmap resumed>) = 0x7f85c0c15000 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2662] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2661] write(3, "1000", 4 [pid 2660] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2658] <... symlinkat resumed>) = 0 [pid 2662] <... futex resumed>) = 1 [pid 2660] <... mprotect resumed>) = 0 [pid 2659] <... futex resumed>) = 0 [pid 2658] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2662] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2661] <... write resumed>) = 4 [pid 2660] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2659] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2658] <... futex resumed>) = 1 [pid 2662] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2660] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2659] <... futex resumed>) = 0 [pid 2658] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2656] <... futex resumed>) = 0 [pid 2661] close(3 [pid 2662] mount(NULL, "./config", "configfs", 0, NULL [pid 2660] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2659] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2656] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2663 attached [pid 2662] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2661] <... close resumed>) = 0 [pid 2658] <... futex resumed>) = 0 [pid 2656] <... futex resumed>) = 1 [pid 2662] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2661] write(1, "executing program\n", 18 executing program [pid 2660] <... clone3 resumed> => {parent_tid=[2663]}, 88) = 2663 [pid 2658] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2656] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2662] <... futex resumed>) = 1 [pid 2661] <... write resumed>) = 18 [pid 2660] rt_sigprocmask(SIG_SETMASK, [] [pid 2659] <... futex resumed>) = 0 [pid 2662] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2661] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2660] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2659] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2658] <... unlinkat resumed>) = 0 [pid 2662] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2661] <... futex resumed>) = 0 [pid 2660] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2659] <... futex resumed>) = 0 [pid 2658] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2662] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2661] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2660] <... futex resumed>) = 0 [pid 2659] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2658] <... futex resumed>) = 1 [pid 2656] <... futex resumed>) = 0 [pid 2663] set_robust_list(0x7f85c0c359a0, 24 [pid 2662] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2661] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2660] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2658] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2656] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2662] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2661] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2658] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2662] <... futex resumed>) = 1 [pid 2661] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2659] <... futex resumed>) = 0 [pid 2656] <... futex resumed>) = 0 [pid 2663] <... set_robust_list resumed>) = 0 [pid 2662] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2661] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2659] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2658] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 311] <... restart_syscall resumed>) = 0 [pid 2656] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2662] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2661] <... mmap resumed>) = 0x7f85c0c15000 [pid 2659] <... futex resumed>) = 0 [pid 2662] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2661] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2659] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2658] <... unlinkat resumed>) = 0 [pid 2662] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2661] <... mprotect resumed>) = 0 [pid 2658] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2662] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2661] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2659] <... futex resumed>) = 0 [pid 2658] <... futex resumed>) = 1 [pid 2656] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2662] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2661] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2659] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2658] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2656] exit_group(0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2662] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2661] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2659] <... futex resumed>) = 0 [pid 2658] <... futex resumed>) = ? [pid 2656] <... exit_group resumed>) = ? [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2662] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2659] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2662] <... mkdirat resumed>) = 0 [pid 2662] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2659] <... futex resumed>) = 0 [pid 2662] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2659] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2662] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2659] <... futex resumed>) = 0 [pid 2662] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2659] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2662] <... symlinkat resumed>) = 0 [pid 2662] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2658] +++ exited with 0 +++ [pid 2656] +++ exited with 0 +++ [pid 2662] <... futex resumed>) = 1 [pid 2661] <... clone3 resumed> => {parent_tid=[2664]}, 88) = 2664 [pid 2659] <... futex resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2665 [pid 2662] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2661] rt_sigprocmask(SIG_SETMASK, [] [pid 2659] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2656, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2663] rt_sigprocmask(SIG_SETMASK, [] [pid 2662] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2661] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2659] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2663] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2662] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2661] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2659] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2662] <... unlinkat resumed>) = 0 [pid 2661] <... futex resumed>) = 0 [pid 2663] mkdirat(AT_FDCWD, "./config", 0777 [pid 2662] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2661] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2662] <... futex resumed>) = 1 [pid 2659] <... futex resumed>) = 0 [pid 2663] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2662] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2659] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2665 attached [pid 2663] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2662] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2659] <... futex resumed>) = 0 [pid 2662] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2659] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2665] set_robust_list(0x5555810c5760, 24 [pid 2663] <... futex resumed>) = 1 [pid 2662] <... unlinkat resumed>) = 0 [pid 2660] <... futex resumed>) = 0 [pid 2662] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2660] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2662] <... futex resumed>) = 1 [pid 2660] <... futex resumed>) = 0 [pid 2659] <... futex resumed>) = 0 [pid 2662] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2660] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2659] exit_group(0 [pid 2662] <... futex resumed>) = ? [pid 2659] <... exit_group resumed>) = ? [pid 2665] <... set_robust_list resumed>) = 0 [pid 2663] mount(NULL, "./config", "configfs", 0, NULL [pid 2662] +++ exited with 0 +++ [pid 2659] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 2664 attached [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2659, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2664] set_robust_list(0x7f85c0c359a0, 24 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2663] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2665] rt_sigprocmask(SIG_SETMASK, [] [pid 2664] <... set_robust_list resumed>) = 0 [pid 2663] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2664] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2664] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 2665] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2663] <... futex resumed>) = 1 [pid 2660] <... futex resumed>) = 0 [pid 2663] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2660] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2665] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2663] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2660] <... futex resumed>) = 0 [pid 2665] <... prctl resumed>) = 0 [pid 2664] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2663] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2660] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2665] setpgid(0, 0 [pid 2664] <... futex resumed>) = 1 [pid 2663] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2661] <... futex resumed>) = 0 [pid 2665] <... setpgid resumed>) = 0 [pid 2663] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2661] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2664] mount(NULL, "./config", "configfs", 0, NULL [pid 2663] <... futex resumed>) = 1 [pid 2661] <... futex resumed>) = 0 [pid 2660] <... futex resumed>) = 0 [pid 2665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2664] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2663] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2661] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2660] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2664] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2663] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2660] <... futex resumed>) = 0 [pid 2665] <... openat resumed>) = 3 [pid 2664] <... futex resumed>) = 1 [pid 2663] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2661] <... futex resumed>) = 0 [pid 2660] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2665] write(3, "1000", 4 [pid 2664] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2663] <... futex resumed>) = 0 [pid 2661] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2660] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2665] <... write resumed>) = 4 [pid 2664] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2663] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2661] <... futex resumed>) = 0 [pid 2660] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2665] close(3 [pid 2664] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2663] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2661] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2660] <... futex resumed>) = 0 [pid 2665] <... close resumed>) = 0 [pid 2664] <... futex resumed>) = 0 [pid 2663] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2661] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2660] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2664] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2661] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2665] write(1, "executing program\n", 18 [pid 2663] <... mkdirat resumed>) = 0 [pid 2661] <... futex resumed>) = 0 [pid 2665] <... write resumed>) = 18 [pid 2663] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2661] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2665] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2664] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2663] <... futex resumed>) = 1 [pid 2660] <... futex resumed>) = 0 [pid 2665] <... futex resumed>) = 0 executing program [pid 2664] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2663] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2660] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2665] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2664] <... futex resumed>) = 1 [pid 2663] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2661] <... futex resumed>) = 0 [pid 2660] <... futex resumed>) = 0 [pid 2665] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2664] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2663] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2661] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2660] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2665] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2664] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2661] <... futex resumed>) = 0 [pid 2663] <... symlinkat resumed>) = 0 [pid 2665] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2664] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2663] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2661] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2665] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2664] <... futex resumed>) = 0 [pid 2663] <... futex resumed>) = 1 [pid 2661] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2660] <... futex resumed>) = 0 [pid 2665] <... mmap resumed>) = 0x7f85c0c15000 [pid 2664] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2663] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2661] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2660] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2665] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2664] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2663] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2661] <... futex resumed>) = 0 [pid 2660] <... futex resumed>) = 0 [pid 2665] <... mprotect resumed>) = 0 [pid 2664] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2663] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2661] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2660] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2665] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2664] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 2663] <... unlinkat resumed>) = 0 [pid 2665] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2664] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2665] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2664] <... futex resumed>) = 1 [pid 2663] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2661] <... futex resumed>) = 0 [pid 2664] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2661] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2663] <... futex resumed>) = 1 [pid 2660] <... futex resumed>) = 0 [pid 2665] <... clone3 resumed> => {parent_tid=[2666]}, 88) = 2666 [pid 2664] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2663] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2661] <... futex resumed>) = 0 [pid 2660] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... restart_syscall resumed>) = 0 [pid 2665] rt_sigprocmask(SIG_SETMASK, [] [pid 2664] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2663] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2661] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2660] <... futex resumed>) = 0 [pid 2665] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2664] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2663] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2660] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2665] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2664] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2664] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2663] <... unlinkat resumed>) = 0 [pid 2661] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2665] <... futex resumed>) = 0 [pid 2663] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2661] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2665] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... restart_syscall resumed>) = 0 [pid 2664] <... futex resumed>) = 0 [pid 2663] <... futex resumed>) = 1 [pid 2661] <... futex resumed>) = 1 [pid 2660] <... futex resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2664] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2663] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2661] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2660] exit_group(0 [pid 2664] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2660] <... exit_group resumed>) = ? [pid 2664] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2663] <... futex resumed>) = ? [pid 2661] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2664] <... futex resumed>) = 0 [pid 2664] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 2666 attached [pid 2666] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2666] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2666] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 2663] +++ exited with 0 +++ [pid 2660] +++ exited with 0 +++ [pid 2666] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2661] exit_group(0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2664] <... futex resumed>) = ? [pid 2661] <... exit_group resumed>) = ? [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2667 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2664] +++ exited with 0 +++ [pid 2666] <... futex resumed>) = 1 [pid 2666] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 2667 attached [pid 2667] set_robust_list(0x5555810c5760, 24 [pid 2661] +++ exited with 0 +++ [pid 2667] <... set_robust_list resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2660, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2665] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2661, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2667] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2667] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2665] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2665] <... futex resumed>) = 1 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2668 [pid 2665] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2667] <... prctl resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 2667] setpgid(0, 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2667] <... setpgid resumed>) = 0 [pid 2667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2666] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2668 attached [pid 2668] set_robust_list(0x5555810c5760, 24 [pid 2667] write(3, "1000", 4 [pid 2666] mount(NULL, "./config", "configfs", 0, NULL [pid 2668] <... set_robust_list resumed>) = 0 [pid 2668] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2668] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2666] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2667] <... write resumed>) = 4 [pid 2668] <... prctl resumed>) = 0 [pid 2668] setpgid(0, 0) = 0 [pid 2668] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2667] close(3 [pid 2666] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2668] <... openat resumed>) = 3 [pid 2667] <... close resumed>) = 0 [pid 2666] <... futex resumed>) = 1 [pid 2665] <... futex resumed>) = 0 [pid 2668] write(3, "1000", 4 [pid 2667] write(1, "executing program\n", 18 [pid 2666] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2665] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2668] <... write resumed>) = 4 [pid 2665] <... futex resumed>) = 0 [pid 2667] <... write resumed>) = 18 executing program [pid 2666] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2665] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2668] close(3 [pid 2666] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2667] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2668] <... close resumed>) = 0 executing program [pid 2668] write(1, "executing program\n", 18) = 18 [pid 2668] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2668] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2668] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2668] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2668] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2665] <... futex resumed>) = 0 [pid 2667] <... futex resumed>) = 0 [pid 2666] <... futex resumed>) = 1 [pid 2665] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2668] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2667] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2666] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2665] <... futex resumed>) = 0 [pid 2667] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2665] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2666] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2667] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2668] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2668] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2667] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2666] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2668] <... clone3 resumed> => {parent_tid=[2669]}, 88) = 2669 ci2-android-5-15/strace-static-x86_64: Process 2669 attached [pid 2669] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2669] rt_sigprocmask(SIG_SETMASK, [] [pid 2666] <... futex resumed>) = 1 [pid 2665] <... futex resumed>) = 0 [pid 2667] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2668] rt_sigprocmask(SIG_SETMASK, [] [pid 2666] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2665] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2668] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2667] <... mmap resumed>) = 0x7f85c0c15000 [pid 2666] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2665] <... futex resumed>) = 0 [pid 2668] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2667] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2666] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2665] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2668] <... futex resumed>) = 0 [pid 2667] <... mprotect resumed>) = 0 [pid 2669] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2666] <... mkdirat resumed>) = 0 [pid 2667] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2668] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2667] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2666] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2667] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2666] <... futex resumed>) = 1 [pid 2665] <... futex resumed>) = 0 [pid 2665] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2666] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2665] <... futex resumed>) = 0 [pid 2667] <... clone3 resumed> => {parent_tid=[2670]}, 88) = 2670 [pid 2665] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... restart_syscall resumed>) = 0 [pid 2667] rt_sigprocmask(SIG_SETMASK, [] [pid 2666] <... symlinkat resumed>) = 0 [pid 2667] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2666] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2665] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2667] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2666] <... futex resumed>) = 1 [pid 2665] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2667] <... futex resumed>) = 0 [pid 2666] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2665] <... futex resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2667] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2665] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2669] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 2669] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2669] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2671 [pid 2666] <... unlinkat resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 2666] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2668] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2666] <... futex resumed>) = 1 [pid 2665] <... futex resumed>) = 0 [pid 2668] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2666] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2668] <... futex resumed>) = 1 [pid 2666] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2665] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2668] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2666] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2665] <... futex resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 2665] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2669] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2666] <... unlinkat resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2666] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2669] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 2669] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2669] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 2671 attached [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2672 [pid 2665] <... futex resumed>) = 0 [pid 2666] <... futex resumed>) = 1 [pid 2668] <... futex resumed>) = 0 [pid 2666] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2665] exit_group(0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 2668] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2666] <... futex resumed>) = ? [pid 2665] <... exit_group resumed>) = ? [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2671] set_robust_list(0x5555810c5760, 24) = 0 [pid 2671] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2671] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2671] setpgid(0, 0) = 0 [pid 2671] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2666] +++ exited with 0 +++ [pid 2665] +++ exited with 0 +++ [pid 2668] <... futex resumed>) = 1 [pid 2669] <... futex resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2665, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2668] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2669] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 2669] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2668] <... futex resumed>) = 0 [pid 2668] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2668] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2669] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 2669] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2668] <... futex resumed>) = 0 [pid 2669] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2668] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2672 attached [pid 2669] <... mkdirat resumed>) = 0 [pid 2668] <... futex resumed>) = 0 [pid 2669] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2669] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2668] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 2668] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2669] <... futex resumed>) = 0 [pid 2668] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2669] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2672] set_robust_list(0x5555810c5760, 24 [pid 2669] <... symlinkat resumed>) = 0 [pid 2669] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2668] <... futex resumed>) = 0 [pid 2669] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2668] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2669] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2668] <... futex resumed>) = 0 [pid 2669] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2668] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2669] <... unlinkat resumed>) = 0 [pid 2672] <... set_robust_list resumed>) = 0 [pid 2669] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2668] <... futex resumed>) = 0 [pid 2669] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2668] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2672] rt_sigprocmask(SIG_SETMASK, [] [pid 2669] <... unlinkat resumed>) = 0 [pid 2668] <... futex resumed>) = 0 [pid 2669] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2668] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2669] <... futex resumed>) = 0 [pid 2668] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2669] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2668] exit_group(0) = ? [pid 2669] <... futex resumed>) = ? [pid 2672] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2669] +++ exited with 0 +++ [pid 2668] +++ exited with 0 +++ [pid 2671] <... openat resumed>) = 3 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2668, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2672] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2671] write(3, "1000", 4 [pid 2672] <... prctl resumed>) = 0 [pid 2671] <... write resumed>) = 4 [pid 2671] close(3) = 0 executing program [pid 2671] write(1, "executing program\n", 18) = 18 [pid 2671] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2672] setpgid(0, 0 [pid 2671] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2671] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2671] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2671] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2671] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2672] <... setpgid resumed>) = 0 [pid 2671] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2671] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[2673]}, 88) = 2673 ci2-android-5-15/strace-static-x86_64: Process 2673 attached [pid 2672] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2671] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2671] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2671] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2670 attached [pid 2670] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2670] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2670] mkdirat(AT_FDCWD, "./config", 0777 [pid 2672] <... openat resumed>) = 3 [pid 2672] write(3, "1000", 4 [pid 2670] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2672] <... write resumed>) = 4 [pid 2670] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2672] close(3) = 0 [pid 2672] write(1, "executing program\n", 18) = 18 executing program [pid 2672] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2670] <... futex resumed>) = 1 [pid 2672] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2667] <... futex resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 2672] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2667] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2672] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2667] <... futex resumed>) = 0 [pid 2670] mount(NULL, "./config", "configfs", 0, NULL [pid 2667] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2672] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2673] set_robust_list(0x7f85c0c359a0, 24 [pid 2672] <... mmap resumed>) = 0x7f85c0c15000 [pid 2670] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2670] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2672] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2670] <... futex resumed>) = 1 [pid 2667] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2672] <... mprotect resumed>) = 0 [pid 2667] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2672] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2667] <... futex resumed>) = 0 [pid 2670] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 2670] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2670] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 2674 attached [pid 2667] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2672] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2674 [pid 2667] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2672] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2667] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 2667] <... futex resumed>) = 1 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2667] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2672] <... clone3 resumed> => {parent_tid=[2675]}, 88) = 2675 [pid 2672] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2672] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 2672] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2670] <... futex resumed>) = 0 [pid 2670] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2670] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2670] <... futex resumed>) = 1 [pid 2667] <... futex resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2667] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2670] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 2670] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2667] <... futex resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2676 [pid 2667] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2670] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2667] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 2667] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2667] <... futex resumed>) = 0 [pid 2670] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2667] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2674] set_robust_list(0x5555810c5760, 24 [pid 2670] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2674] <... set_robust_list resumed>) = 0 [pid 2673] <... set_robust_list resumed>) = 0 [pid 2670] <... symlinkat resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2676 attached ci2-android-5-15/strace-static-x86_64: Process 2675 attached [pid 2674] rt_sigprocmask(SIG_SETMASK, [] [pid 2673] rt_sigprocmask(SIG_SETMASK, [] [pid 2670] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2674] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2670] <... futex resumed>) = 1 [pid 2667] <... futex resumed>) = 0 [pid 2674] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2670] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2667] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2674] <... prctl resumed>) = 0 [pid 2670] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2667] <... futex resumed>) = 0 [pid 2674] setpgid(0, 0 [pid 2670] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2667] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2676] set_robust_list(0x5555810c5760, 24 [pid 2674] <... setpgid resumed>) = 0 [pid 2673] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2670] <... unlinkat resumed>) = 0 [pid 2674] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2670] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2676] <... set_robust_list resumed>) = 0 [pid 2675] set_robust_list(0x7f85c0c359a0, 24 [pid 2674] <... openat resumed>) = 3 [pid 2673] mkdirat(AT_FDCWD, "./config", 0777 [pid 2670] <... futex resumed>) = 1 [pid 2667] <... futex resumed>) = 0 [pid 2674] write(3, "1000", 4 [pid 2670] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2667] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2674] <... write resumed>) = 4 [pid 2670] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2667] <... futex resumed>) = 0 [pid 2674] close(3 [pid 2670] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2667] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2676] rt_sigprocmask(SIG_SETMASK, [] [pid 2674] <... close resumed>) = 0 [pid 2673] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2670] <... unlinkat resumed>) = 0 [pid 2674] write(1, "executing program\n", 18 [pid 2670] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 2674] <... write resumed>) = 18 [pid 2670] <... futex resumed>) = 1 [pid 2667] <... futex resumed>) = 0 [pid 2676] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2675] <... set_robust_list resumed>) = 0 [pid 2674] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2673] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2670] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2667] exit_group(0 [pid 2674] <... futex resumed>) = 0 [pid 2670] <... futex resumed>) = ? [pid 2667] <... exit_group resumed>) = ? [pid 2676] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2675] rt_sigprocmask(SIG_SETMASK, [] [pid 2674] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2673] <... futex resumed>) = 1 [pid 2671] <... futex resumed>) = 0 [pid 2670] +++ exited with 0 +++ [pid 2667] +++ exited with 0 +++ [pid 2676] <... prctl resumed>) = 0 [pid 2674] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2673] mount(NULL, "./config", "configfs", 0, NULL [pid 2671] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2674] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2671] <... futex resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2667, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2676] setpgid(0, 0 [pid 2675] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2674] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2673] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2671] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2676] <... setpgid resumed>) = 0 [pid 2675] mkdirat(AT_FDCWD, "./config", 0777 [pid 2674] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2673] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2676] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2675] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2674] <... mmap resumed>) = 0x7f85c0c15000 [pid 2673] <... futex resumed>) = 0 [pid 2671] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2674] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2673] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2671] <... futex resumed>) = 0 [pid 2676] <... openat resumed>) = 3 [pid 2675] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2674] <... mprotect resumed>) = 0 [pid 2671] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2676] write(3, "1000", 4 [pid 2675] <... futex resumed>) = 1 [pid 2674] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2673] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2672] <... futex resumed>) = 0 [pid 2674] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2673] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2672] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2676] <... write resumed>) = 4 [pid 2675] mount(NULL, "./config", "configfs", 0, NULL [pid 2674] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2673] <... futex resumed>) = 1 [pid 2672] <... futex resumed>) = 0 [pid 2671] <... futex resumed>) = 0 [pid 2676] close(3 [pid 2675] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2673] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2672] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2671] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2676] <... close resumed>) = 0 [pid 2675] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2674] <... clone3 resumed> => {parent_tid=[2677]}, 88) = 2677 [pid 2673] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2671] <... futex resumed>) = 0 [pid 2676] write(1, "executing program\n", 18 [pid 2674] rt_sigprocmask(SIG_SETMASK, [] [pid 2673] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2675] <... futex resumed>) = 1 [pid 2672] <... futex resumed>) = 0 [pid 2671] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2676] <... write resumed>) = 18 executing program [pid 2675] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2674] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2673] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2672] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2676] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2674] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2673] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2672] <... futex resumed>) = 0 [pid 2676] <... futex resumed>) = 0 [pid 2675] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2674] <... futex resumed>) = 0 [pid 2673] <... futex resumed>) = 1 [pid 2672] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2671] <... futex resumed>) = 0 [pid 2676] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2675] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2674] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2673] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2672] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2671] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... restart_syscall resumed>) = 0 [pid 2676] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2675] <... futex resumed>) = 0 [pid 2673] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2672] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2671] <... futex resumed>) = 0 [pid 2676] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2675] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2673] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2672] <... futex resumed>) = 0 [pid 2671] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2676] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2675] <... mkdirat resumed>) = -1 EEXIST (File exists) ci2-android-5-15/strace-static-x86_64: Process 2677 attached [pid 2673] <... mkdirat resumed>) = 0 [pid 2672] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2676] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2675] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2673] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2672] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2676] <... mmap resumed>) = 0x7f85c0c15000 [pid 2675] <... futex resumed>) = 0 [pid 2673] <... futex resumed>) = 1 [pid 2672] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2671] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2676] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2675] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2673] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2672] <... futex resumed>) = 0 [pid 2671] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2676] <... mprotect resumed>) = 0 [pid 2675] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2673] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2672] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2671] <... futex resumed>) = 0 [pid 2671] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2677] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2677] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2673] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2678 [pid 2676] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2677] mkdirat(AT_FDCWD, "./config", 0777 [pid 2673] <... symlinkat resumed>) = 0 [pid 2676] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2675] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2673] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2676] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2675] <... futex resumed>) = 1 [pid 2673] <... futex resumed>) = 1 [pid 2672] <... futex resumed>) = 0 [pid 2671] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2673] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2672] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2671] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2675] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2673] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2672] <... futex resumed>) = 0 [pid 2671] <... futex resumed>) = 0 [pid 2676] <... clone3 resumed> => {parent_tid=[2679]}, 88) = 2679 [pid 2675] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 2673] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2672] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2671] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2676] rt_sigprocmask(SIG_SETMASK, [] [pid 2675] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2673] <... unlinkat resumed>) = 0 [pid 2672] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2676] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2675] <... futex resumed>) = 0 [pid 2673] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2676] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2675] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2672] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2677] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2673] <... futex resumed>) = 1 [pid 2671] <... futex resumed>) = 0 [pid 2677] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2676] <... futex resumed>) = 0 [pid 2675] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2673] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2672] <... futex resumed>) = 0 [pid 2671] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2677] <... futex resumed>) = 1 [pid 2676] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2675] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2674] <... futex resumed>) = 0 [pid 2673] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2672] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2671] <... futex resumed>) = 0 [pid 2677] mount(NULL, "./config", "configfs", 0, NULL [pid 2675] <... futex resumed>) = 0 [pid 2674] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2673] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2672] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2671] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2679 attached [pid 2677] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2675] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2674] <... futex resumed>) = 0 [pid 2677] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2675] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2674] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2673] <... unlinkat resumed>) = 0 [pid 2672] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2677] <... futex resumed>) = 0 [pid 2675] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2674] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2673] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2672] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2678 attached [pid 2677] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2675] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2674] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2673] <... futex resumed>) = 1 [pid 2672] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2671] <... futex resumed>) = 0 [pid 2678] set_robust_list(0x5555810c5760, 24 [pid 2677] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2675] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2674] <... futex resumed>) = 0 [pid 2673] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2672] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2671] exit_group(0 [pid 2678] <... set_robust_list resumed>) = 0 [pid 2677] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2675] <... futex resumed>) = 0 [pid 2674] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2673] <... futex resumed>) = ? [pid 2672] exit_group(0 [pid 2671] <... exit_group resumed>) = ? [pid 2679] set_robust_list(0x7f85c0c359a0, 24 [pid 2678] rt_sigprocmask(SIG_SETMASK, [] [pid 2677] <... futex resumed>) = 0 [pid 2674] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2673] +++ exited with 0 +++ [pid 2672] <... exit_group resumed>) = ? [pid 2671] +++ exited with 0 +++ [pid 2678] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2677] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2675] +++ exited with 0 +++ [pid 2674] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2678] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2677] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2674] <... futex resumed>) = 0 [pid 2678] <... prctl resumed>) = 0 [pid 2677] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2674] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2678] setpgid(0, 0 [pid 2677] <... futex resumed>) = 0 [pid 2674] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2678] <... setpgid resumed>) = 0 [pid 2677] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2674] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2672] +++ exited with 0 +++ [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2671, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2678] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2677] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2674] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2678] <... openat resumed>) = 3 [pid 2677] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2674] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2679] <... set_robust_list resumed>) = 0 [pid 2678] write(3, "1000", 4 [pid 2677] <... mkdirat resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2672, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2679] rt_sigprocmask(SIG_SETMASK, [] [pid 2678] <... write resumed>) = 4 [pid 2677] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2678] close(3 [pid 2677] <... futex resumed>) = 1 [pid 2674] <... futex resumed>) = 0 [pid 2679] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2678] <... close resumed>) = 0 [pid 2677] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2674] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2678] write(1, "executing program\n", 18 [pid 2677] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2674] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2679] mkdirat(AT_FDCWD, "./config", 0777 [pid 2678] <... write resumed>) = 18 executing program [pid 2677] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2674] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2679] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2678] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2677] <... symlinkat resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 2678] <... futex resumed>) = 0 [pid 2677] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2679] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2678] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2677] <... futex resumed>) = 1 [pid 2674] <... futex resumed>) = 0 [pid 2678] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2677] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2674] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2678] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2677] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2674] <... futex resumed>) = 0 [pid 2678] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2677] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2674] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2679] <... futex resumed>) = 1 [pid 2678] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2677] <... unlinkat resumed>) = 0 [pid 2676] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2680 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2679] mount(NULL, "./config", "configfs", 0, NULL [pid 2678] <... mmap resumed>) = 0x7f85c0c15000 [pid 2677] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2676] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2678] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2677] <... futex resumed>) = 1 [pid 2676] <... futex resumed>) = 0 [pid 2674] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2679] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2678] <... mprotect resumed>) = 0 [pid 2677] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2676] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2674] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2678] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2677] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2674] <... futex resumed>) = 0 [pid 2679] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2678] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2677] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2674] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2681 ci2-android-5-15/strace-static-x86_64: Process 2681 attached [pid 2679] <... futex resumed>) = 1 [pid 2678] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2677] <... unlinkat resumed>) = 0 [pid 2676] <... futex resumed>) = 0 [pid 2679] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2677] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2676] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 2679] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2678] <... clone3 resumed> => {parent_tid=[2682]}, 88) = 2682 [pid 2677] <... futex resumed>) = 1 [pid 2676] <... futex resumed>) = 0 [pid 2674] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2679] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2678] rt_sigprocmask(SIG_SETMASK, [] [pid 2677] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2676] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2674] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 2680 attached [pid 2679] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2678] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2677] <... futex resumed>) = ? [pid 2674] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 2682 attached [pid 2681] set_robust_list(0x5555810c5760, 24 [pid 2680] set_robust_list(0x5555810c5760, 24 [pid 2679] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2678] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2677] +++ exited with 0 +++ [pid 2674] +++ exited with 0 +++ [pid 2680] <... set_robust_list resumed>) = 0 [pid 2679] <... futex resumed>) = 1 [pid 2678] <... futex resumed>) = 0 [pid 2676] <... futex resumed>) = 0 [pid 2682] set_robust_list(0x7f85c0c359a0, 24 [pid 2681] <... set_robust_list resumed>) = 0 [pid 2680] rt_sigprocmask(SIG_SETMASK, [] [pid 2679] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2678] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2676] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2674, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2680] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2679] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2676] <... futex resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2679] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2676] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2679] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2680] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2679] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2681] rt_sigprocmask(SIG_SETMASK, [] [pid 2679] <... futex resumed>) = 1 [pid 2676] <... futex resumed>) = 0 [pid 2681] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2679] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2676] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2680] <... prctl resumed>) = 0 [pid 2679] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2676] <... futex resumed>) = 0 [pid 2679] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2676] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2681] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2680] setpgid(0, 0) = 0 [pid 2679] <... mkdirat resumed>) = 0 [pid 2681] <... prctl resumed>) = 0 [pid 2679] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2681] setpgid(0, 0 [pid 2680] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2679] <... futex resumed>) = 1 [pid 2676] <... futex resumed>) = 0 [pid 2682] <... set_robust_list resumed>) = 0 [pid 2679] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2676] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2681] <... setpgid resumed>) = 0 [pid 2679] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2676] <... futex resumed>) = 0 [pid 2679] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2676] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2679] <... symlinkat resumed>) = 0 [pid 2681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2680] <... openat resumed>) = 3 [pid 2679] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2680] write(3, "1000", 4 [pid 2679] <... futex resumed>) = 1 [pid 2676] <... futex resumed>) = 0 [pid 2681] <... openat resumed>) = 3 [pid 2679] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2676] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2681] write(3, "1000", 4 [pid 2679] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2676] <... futex resumed>) = 0 [pid 2679] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2676] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2681] <... write resumed>) = 4 [pid 2680] <... write resumed>) = 4 [pid 2679] <... unlinkat resumed>) = 0 [pid 2681] close(3 [pid 2680] close(3) = 0 [pid 2679] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2680] write(1, "executing program\n", 18) = 18 executing program [pid 2679] <... futex resumed>) = 1 [pid 2676] <... futex resumed>) = 0 [pid 2681] <... close resumed>) = 0 [pid 2680] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2679] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2676] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2681] write(1, "executing program\n", 18 [pid 2680] <... futex resumed>) = 0 [pid 2679] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2676] <... futex resumed>) = 0 [pid 2681] <... write resumed>) = 18 executing program [pid 2680] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2679] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2676] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2680] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2680] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2681] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2680] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2679] <... unlinkat resumed>) = 0 [pid 2680] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2679] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2681] <... futex resumed>) = 0 [pid 2680] <... mmap resumed>) = 0x7f85c0c15000 [pid 2680] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2679] <... futex resumed>) = 1 [pid 2676] <... futex resumed>) = 0 [pid 2681] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2680] <... mprotect resumed>) = 0 [pid 2679] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2680] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2676] exit_group(0 [pid 2681] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2680] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2680] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2679] <... futex resumed>) = ? [pid 2676] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 2683 attached [pid 2682] rt_sigprocmask(SIG_SETMASK, [] [pid 2681] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2679] +++ exited with 0 +++ [pid 2680] <... clone3 resumed> => {parent_tid=[2683]}, 88) = 2683 [pid 2680] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2680] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2680] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2682] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2681] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2676] +++ exited with 0 +++ [pid 2683] set_robust_list(0x7f85c0c359a0, 24 [pid 2682] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 2682] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2678] <... futex resumed>) = 0 [pid 2682] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2678] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2682] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2678] <... futex resumed>) = 0 [pid 2682] mount(NULL, "./config", "configfs", 0, NULL [pid 2678] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2683] <... set_robust_list resumed>) = 0 [pid 2682] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2681] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2676, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2682] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2681] <... mmap resumed>) = 0x7f85c0c15000 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2682] <... futex resumed>) = 1 [pid 2681] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2678] <... futex resumed>) = 0 [pid 2683] rt_sigprocmask(SIG_SETMASK, [] [pid 2682] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2681] <... mprotect resumed>) = 0 [pid 2678] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2683] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2682] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2678] <... futex resumed>) = 0 [pid 2681] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2683] mkdirat(AT_FDCWD, "./config", 0777 [pid 2682] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2681] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2678] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2683] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2682] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2681] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2683] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2682] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2683] <... futex resumed>) = 1 [pid 2682] <... futex resumed>) = 1 [pid 2681] <... clone3 resumed> => {parent_tid=[2684]}, 88) = 2684 [pid 2680] <... futex resumed>) = 0 [pid 2678] <... futex resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... restart_syscall resumed>) = 0 [pid 2683] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2682] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2681] rt_sigprocmask(SIG_SETMASK, [] [pid 2680] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2678] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2683] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2682] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2680] <... futex resumed>) = 0 [pid 2678] <... futex resumed>) = 0 [pid 2683] mount(NULL, "./config", "configfs", 0, NULL [pid 2682] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2681] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2680] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2678] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2683] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2682] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2681] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2685 [pid 2683] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2682] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2681] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2685 attached ci2-android-5-15/strace-static-x86_64: Process 2684 attached [pid 2683] <... futex resumed>) = 1 [pid 2682] <... futex resumed>) = 1 [pid 2681] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2680] <... futex resumed>) = 0 [pid 2678] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2683] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2682] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2680] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2678] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2683] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2682] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2680] <... futex resumed>) = 0 [pid 2678] <... futex resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2683] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2682] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2680] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2678] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2683] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2682] <... mkdirat resumed>) = 0 [pid 2683] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2682] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2686 [pid 2683] <... futex resumed>) = 1 [pid 2682] <... futex resumed>) = 1 [pid 2680] <... futex resumed>) = 0 [pid 2678] <... futex resumed>) = 0 [pid 2683] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2682] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2680] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2678] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 2683] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2682] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2680] <... futex resumed>) = 0 [pid 2678] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 2686 attached [pid 2683] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2682] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2680] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2678] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2686] set_robust_list(0x5555810c5760, 24 [pid 2683] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2682] <... symlinkat resumed>) = 0 [pid 2683] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2682] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2683] <... futex resumed>) = 1 [pid 2682] <... futex resumed>) = 1 [pid 2680] <... futex resumed>) = 0 [pid 2678] <... futex resumed>) = 0 [pid 2686] <... set_robust_list resumed>) = 0 [pid 2683] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2682] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2680] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2678] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2683] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2680] <... futex resumed>) = 0 [pid 2678] <... futex resumed>) = 0 [pid 2683] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2680] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2678] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2683] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2682] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2683] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2680] <... futex resumed>) = 0 [pid 2683] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2680] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2683] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2680] <... futex resumed>) = 0 [pid 2683] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2680] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2685] set_robust_list(0x5555810c5760, 24 [pid 2684] set_robust_list(0x7f85c0c359a0, 24 [pid 2683] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 2682] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2685] <... set_robust_list resumed>) = 0 [pid 2684] <... set_robust_list resumed>) = 0 [pid 2683] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2685] rt_sigprocmask(SIG_SETMASK, [] [pid 2684] rt_sigprocmask(SIG_SETMASK, [] [pid 2683] <... futex resumed>) = 1 [pid 2680] <... futex resumed>) = 0 [pid 2685] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2684] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2683] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2682] <... unlinkat resumed>) = 0 [pid 2680] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2686] rt_sigprocmask(SIG_SETMASK, [] [pid 2685] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2684] mkdirat(AT_FDCWD, "./config", 0777 [pid 2683] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2682] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2680] <... futex resumed>) = 0 [pid 2686] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2685] <... prctl resumed>) = 0 [pid 2684] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2683] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2682] <... futex resumed>) = 1 [pid 2680] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2678] <... futex resumed>) = 0 [pid 2686] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2685] setpgid(0, 0 [pid 2684] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2683] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2682] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2678] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2685] <... setpgid resumed>) = 0 [pid 2684] <... futex resumed>) = 1 [pid 2683] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2682] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2681] <... futex resumed>) = 0 [pid 2678] <... futex resumed>) = 0 [pid 2686] <... prctl resumed>) = 0 [pid 2685] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2684] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2683] <... futex resumed>) = 1 [pid 2682] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2681] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2680] <... futex resumed>) = 0 [pid 2678] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2686] setpgid(0, 0 [pid 2685] <... openat resumed>) = 3 [pid 2684] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2683] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2680] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2685] write(3, "1000", 4 [pid 2684] mount(NULL, "./config", "configfs", 0, NULL [pid 2683] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2682] <... unlinkat resumed>) = 0 [pid 2681] <... futex resumed>) = 0 [pid 2680] <... futex resumed>) = 0 [pid 2685] <... write resumed>) = 4 [pid 2684] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2683] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2682] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2681] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2680] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2685] close(3 [pid 2684] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2683] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2682] <... futex resumed>) = 1 [pid 2681] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2678] <... futex resumed>) = 0 [pid 2685] <... close resumed>) = 0 [pid 2684] <... futex resumed>) = 0 [pid 2683] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2682] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2681] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2678] exit_group(0 [pid 2685] write(1, "executing program\n", 18 [pid 2684] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2683] <... futex resumed>) = 1 [pid 2681] <... futex resumed>) = 0 [pid 2680] <... futex resumed>) = 0 [pid 2678] <... exit_group resumed>) = ? [pid 2682] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 2686] <... setpgid resumed>) = 0 [pid 2685] <... write resumed>) = 18 [pid 2684] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2683] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2681] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2680] exit_group(0 [pid 2685] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2684] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2683] <... futex resumed>) = ? [pid 2680] <... exit_group resumed>) = ? executing program [pid 2686] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2685] <... futex resumed>) = 0 [pid 2684] <... futex resumed>) = 0 [pid 2683] +++ exited with 0 +++ [pid 2682] +++ exited with 0 +++ [pid 2681] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2680] +++ exited with 0 +++ [pid 2678] +++ exited with 0 +++ [pid 2685] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2684] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2681] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2685] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2684] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2681] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2680, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2678, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2685] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2684] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2681] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2686] <... openat resumed>) = 3 [pid 2685] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2684] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... restart_syscall resumed>) = 0 [pid 2686] write(3, "1000", 4 [pid 2685] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2684] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2686] <... write resumed>) = 4 [pid 2685] <... mmap resumed>) = 0x7f85c0c15000 [pid 2684] <... futex resumed>) = 1 [pid 2681] <... futex resumed>) = 0 [pid 2686] close(3 [pid 2685] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2684] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2681] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2685] <... mprotect resumed>) = 0 [pid 2684] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2681] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2686] <... close resumed>) = 0 [pid 2685] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2684] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2681] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2686] write(1, "executing program\n", 18 [pid 2685] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2684] <... mkdirat resumed>) = 0 executing program [pid 2685] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2684] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2686] <... write resumed>) = 18 [pid 2684] <... futex resumed>) = 1 [pid 2681] <... futex resumed>) = 0 [pid 2685] <... clone3 resumed> => {parent_tid=[2687]}, 88) = 2687 [pid 2684] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2685] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2685] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2681] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2686] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2685] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2684] <... futex resumed>) = 0 [pid 2681] <... futex resumed>) = 1 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2688 [pid 2686] <... futex resumed>) = 0 [pid 2684] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2681] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2687 attached [pid 2686] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2684] <... symlinkat resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2684] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2686] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2684] <... futex resumed>) = 1 [pid 2681] <... futex resumed>) = 0 [pid 2684] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2681] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2686] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2684] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2681] <... futex resumed>) = 0 [pid 2684] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2681] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2686] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2684] <... unlinkat resumed>) = 0 [pid 2686] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2684] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2688 attached [pid 2686] <... mmap resumed>) = 0x7f85c0c15000 [pid 2684] <... futex resumed>) = 1 [pid 2681] <... futex resumed>) = 0 [pid 2686] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2684] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2681] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2686] <... mprotect resumed>) = 0 [pid 2684] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2681] <... futex resumed>) = 0 [pid 2686] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2684] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2686] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2684] <... unlinkat resumed>) = 0 [pid 2681] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2687] set_robust_list(0x7f85c0c359a0, 24 [pid 2686] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2684] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2681] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2684] <... futex resumed>) = 0 [pid 2688] set_robust_list(0x5555810c5760, 24 [pid 2684] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2681] exit_group(0 [pid 2688] <... set_robust_list resumed>) = 0 [pid 2686] <... clone3 resumed> => {parent_tid=[2689]}, 88) = 2689 [pid 2684] <... futex resumed>) = ? [pid 2681] <... exit_group resumed>) = ? [pid 2686] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 2689 attached [pid 2688] rt_sigprocmask(SIG_SETMASK, [] [pid 2687] <... set_robust_list resumed>) = 0 [pid 2684] +++ exited with 0 +++ [pid 2688] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2688] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2688] setpgid(0, 0) = 0 [pid 2688] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2681] +++ exited with 0 +++ [pid 2688] <... openat resumed>) = 3 [pid 2686] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2687] rt_sigprocmask(SIG_SETMASK, [] [pid 2688] write(3, "1000", 4 [pid 2689] set_robust_list(0x7f85c0c359a0, 24 [pid 2687] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2686] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2681, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2688] <... write resumed>) = 4 [pid 2688] close(3) = 0 [pid 2689] <... set_robust_list resumed>) = 0 [pid 2687] mkdirat(AT_FDCWD, "./config", 0777 [pid 2686] <... futex resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2688] write(1, "executing program\n", 18 [pid 2686] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2688] <... write resumed>) = 18 executing program [pid 2688] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2689] rt_sigprocmask(SIG_SETMASK, [] [pid 2687] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2688] <... futex resumed>) = 0 [pid 2688] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 2688] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2688] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2688] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2688] <... mprotect resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2688] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2688] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2688] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[2690]}, 88) = 2690 [pid 2688] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2688] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2691 [pid 2688] <... futex resumed>) = 0 [pid 2688] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 2687] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 2690 attached [pid 2687] <... futex resumed>) = 1 [pid 2687] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2685] <... futex resumed>) = 0 [pid 2685] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2685] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2687] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] <... restart_syscall resumed>) = 0 [pid 2687] mount(NULL, "./config", "configfs", 0, NULL [pid 2690] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2690] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2687] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2687] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2690] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2690] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 2690] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2688] <... futex resumed>) = 0 [pid 2687] <... futex resumed>) = 1 [pid 2687] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2692 [pid 2688] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2685] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 2688] <... futex resumed>) = 0 [pid 2685] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2688] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2687] <... futex resumed>) = 0 [pid 2685] <... futex resumed>) = 1 [pid 2687] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2685] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2690] <... futex resumed>) = 1 [pid 2690] mount(NULL, "./config", "configfs", 0, NULL [pid 2687] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2690] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2687] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2690] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2688] <... futex resumed>) = 0 [pid 2688] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2688] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2691 attached [pid 2690] <... futex resumed>) = 1 [pid 2689] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2687] <... futex resumed>) = 1 [pid 2685] <... futex resumed>) = 0 [pid 2687] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2685] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2687] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2685] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2690] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2687] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2690] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2690] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2688] <... futex resumed>) = 0 [pid 2688] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2688] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2687] <... futex resumed>) = 1 [pid 2685] <... futex resumed>) = 0 [pid 2687] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2685] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2687] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2685] <... futex resumed>) = 0 [pid 2687] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2685] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2690] <... futex resumed>) = 1 [pid 2690] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2687] <... mkdirat resumed>) = 0 [pid 2687] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2690] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2687] <... futex resumed>) = 1 [pid 2685] <... futex resumed>) = 0 [pid 2687] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2685] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2687] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2685] <... futex resumed>) = 0 [pid 2689] mkdirat(AT_FDCWD, "./config", 0777 [pid 2687] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2685] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2690] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2687] <... symlinkat resumed>) = 0 [pid 2689] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2687] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2689] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2688] <... futex resumed>) = 0 [pid 2687] <... futex resumed>) = 1 [pid 2685] <... futex resumed>) = 0 [pid 2689] <... futex resumed>) = 1 [pid 2688] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2687] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2686] <... futex resumed>) = 0 [pid 2685] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2689] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2688] <... futex resumed>) = 0 [pid 2687] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2686] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2685] <... futex resumed>) = 0 [pid 2689] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2688] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2687] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2686] <... futex resumed>) = 0 [pid 2685] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2692 attached [pid 2690] <... futex resumed>) = 1 [pid 2689] mount(NULL, "./config", "configfs", 0, NULL [pid 2687] <... unlinkat resumed>) = 0 [pid 2686] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2687] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2689] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2687] <... futex resumed>) = 1 [pid 2685] <... futex resumed>) = 0 [pid 2689] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2687] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2685] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2687] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2685] <... futex resumed>) = 0 [pid 2689] <... futex resumed>) = 1 [pid 2687] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2686] <... futex resumed>) = 0 [pid 2685] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2690] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2687] <... unlinkat resumed>) = 0 [pid 2689] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2687] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2686] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2687] <... futex resumed>) = 1 [pid 2686] <... futex resumed>) = 0 [pid 2685] <... futex resumed>) = 0 [pid 2689] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2687] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2689] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2686] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2685] exit_group(0 [pid 2689] <... futex resumed>) = 0 [pid 2686] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2687] <... futex resumed>) = ? [pid 2686] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2685] <... exit_group resumed>) = ? [pid 2689] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2687] +++ exited with 0 +++ [pid 2690] <... mkdirat resumed>) = 0 [pid 2690] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2688] <... futex resumed>) = 0 [pid 2688] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2688] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2685] +++ exited with 0 +++ [pid 2686] <... futex resumed>) = 0 [pid 2686] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2689] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2685, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2690] <... futex resumed>) = 1 [pid 2689] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2690] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2689] <... futex resumed>) = 1 [pid 2686] <... futex resumed>) = 0 [pid 2690] <... symlinkat resumed>) = 0 [pid 2689] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2686] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2690] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2689] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2686] <... futex resumed>) = 0 [pid 2689] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2688] <... futex resumed>) = 0 [pid 2686] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2690] <... futex resumed>) = 1 [pid 2688] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2690] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2689] <... futex resumed>) = 0 [pid 2688] <... futex resumed>) = 0 [pid 2686] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2690] <... unlinkat resumed>) = 0 [pid 2689] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2688] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2690] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2688] <... futex resumed>) = 0 [pid 2690] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2688] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2690] <... unlinkat resumed>) = 0 [pid 2689] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2688] <... futex resumed>) = 0 [pid 2686] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2690] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2689] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2688] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2690] <... futex resumed>) = 0 [pid 2688] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2686] <... futex resumed>) = 0 [pid 2690] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2689] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2688] exit_group(0 [pid 2686] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2690] <... futex resumed>) = ? [pid 2689] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2688] <... exit_group resumed>) = ? [pid 2686] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2690] +++ exited with 0 +++ [pid 2689] <... futex resumed>) = 0 [pid 2688] +++ exited with 0 +++ [pid 2686] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2689] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2686] <... futex resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2688, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2686] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2689] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 311] <... restart_syscall resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2689] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2692] set_robust_list(0x5555810c5760, 24 [pid 2691] set_robust_list(0x5555810c5760, 24 [pid 2689] <... futex resumed>) = 1 [pid 2686] <... futex resumed>) = 0 [pid 2689] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2686] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2689] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2686] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2689] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2686] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2689] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2692] <... set_robust_list resumed>) = 0 [pid 2691] <... set_robust_list resumed>) = 0 [pid 2692] rt_sigprocmask(SIG_SETMASK, [] [pid 2691] rt_sigprocmask(SIG_SETMASK, [] [pid 2689] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2686] <... futex resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2693 [pid 2689] <... futex resumed>) = 1 [pid 2686] exit_group(0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 2686] <... exit_group resumed>) = ? [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2692] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2691] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2692] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2691] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2692] <... prctl resumed>) = 0 [pid 2691] <... prctl resumed>) = 0 [pid 2692] setpgid(0, 0 [pid 2691] setpgid(0, 0 [pid 2692] <... setpgid resumed>) = 0 [pid 2691] <... setpgid resumed>) = 0 [pid 2692] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2691] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2689] +++ exited with 0 +++ [pid 2686] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 2693 attached [pid 2692] <... openat resumed>) = 3 [pid 2691] <... openat resumed>) = 3 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2686, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... restart_syscall resumed>) = 0 [pid 2692] write(3, "1000", 4 [pid 2691] write(3, "1000", 4 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2692] <... write resumed>) = 4 [pid 2691] <... write resumed>) = 4 [pid 2692] close(3 [pid 2691] close(3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2692] <... close resumed>) = 0 [pid 2691] <... close resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2692] write(1, "executing program\n", 18 [pid 2691] write(1, "executing program\n", 18 executing program executing program [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2692] <... write resumed>) = 18 [pid 2691] <... write resumed>) = 18 ci2-android-5-15/strace-static-x86_64: Process 2694 attached [pid 2693] set_robust_list(0x5555810c5760, 24 [pid 2692] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2691] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2693] <... set_robust_list resumed>) = 0 [pid 2692] <... futex resumed>) = 0 [pid 2691] <... futex resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2694 [pid 2694] set_robust_list(0x5555810c5760, 24 [pid 2693] rt_sigprocmask(SIG_SETMASK, [] [pid 2692] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2691] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2693] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2692] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2691] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2693] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2692] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2691] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2694] <... set_robust_list resumed>) = 0 [pid 2693] <... prctl resumed>) = 0 [pid 2692] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2691] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2693] setpgid(0, 0 [pid 2692] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2691] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2694] rt_sigprocmask(SIG_SETMASK, [] [pid 2693] <... setpgid resumed>) = 0 [pid 2692] <... mmap resumed>) = 0x7f85c0c15000 [pid 2691] <... mmap resumed>) = 0x7f85c0c15000 [pid 2694] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2692] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2691] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2694] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2693] <... openat resumed>) = 3 [pid 2692] <... mprotect resumed>) = 0 [pid 2691] <... mprotect resumed>) = 0 [pid 2692] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2691] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2694] <... prctl resumed>) = 0 [pid 2693] write(3, "1000", 4 [pid 2692] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2691] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2694] setpgid(0, 0 [pid 2693] <... write resumed>) = 4 [pid 2692] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2691] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2694] <... setpgid resumed>) = 0 [pid 2693] close(3 [pid 2692] <... clone3 resumed> => {parent_tid=[2695]}, 88) = 2695 [pid 2691] <... clone3 resumed> => {parent_tid=[2696]}, 88) = 2696 [pid 2694] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2693] <... close resumed>) = 0 [pid 2692] rt_sigprocmask(SIG_SETMASK, [] [pid 2691] rt_sigprocmask(SIG_SETMASK, [] [pid 2693] write(1, "executing program\n", 18 [pid 2692] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2691] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2694] <... openat resumed>) = 3 executing program [pid 2693] <... write resumed>) = 18 [pid 2692] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2691] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2692] <... futex resumed>) = 0 [pid 2691] <... futex resumed>) = 0 [pid 2693] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2694] write(3, "1000", 4 [pid 2692] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2691] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2694] <... write resumed>) = 4 [pid 2693] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2695 attached [pid 2695] set_robust_list(0x7f85c0c359a0, 24ci2-android-5-15/strace-static-x86_64: Process 2696 attached ) = 0 [pid 2694] close(3 [pid 2693] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2695] rt_sigprocmask(SIG_SETMASK, [] [pid 2693] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2694] <... close resumed>) = 0 [pid 2693] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2695] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2694] write(1, "executing program\n", 18 [pid 2693] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2695] mkdirat(AT_FDCWD, "./config", 0777 [pid 2694] <... write resumed>) = 18 executing program [pid 2693] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2695] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2693] <... mmap resumed>) = 0x7f85c0c15000 [pid 2694] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2693] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2695] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2694] <... futex resumed>) = 0 [pid 2693] <... mprotect resumed>) = 0 [pid 2694] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2693] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2694] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2693] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2694] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2693] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2694] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2695] <... futex resumed>) = 1 [pid 2695] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2694] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2693] <... clone3 resumed> => {parent_tid=[2697]}, 88) = 2697 [pid 2692] <... futex resumed>) = 0 [pid 2694] <... mmap resumed>) = 0x7f85c0c15000 [pid 2693] rt_sigprocmask(SIG_SETMASK, [] [pid 2692] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2694] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2693] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2692] <... futex resumed>) = 1 [pid 2694] <... mprotect resumed>) = 0 [pid 2693] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2692] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2695] <... futex resumed>) = 0 [pid 2693] <... futex resumed>) = 0 [pid 2694] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2693] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2694] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2695] mount(NULL, "./config", "configfs", 0, NULL [pid 2694] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2695] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2695] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2694] <... clone3 resumed> => {parent_tid=[2698]}, 88) = 2698 [pid 2695] <... futex resumed>) = 1 [pid 2694] rt_sigprocmask(SIG_SETMASK, [] [pid 2692] <... futex resumed>) = 0 [pid 2694] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2695] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2694] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2692] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2694] <... futex resumed>) = 0 [pid 2692] <... futex resumed>) = 0 [pid 2694] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2692] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2695] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2695] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2692] <... futex resumed>) = 0 [pid 2692] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2695] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2692] <... futex resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 2692] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2696] set_robust_list(0x7f85c0c359a0, 24 [pid 2695] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2695] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2696] <... set_robust_list resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2696] rt_sigprocmask(SIG_SETMASK, [] [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2695] <... futex resumed>) = 1 [pid 2695] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 2697 attached [pid 2697] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2697] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2697] mkdirat(AT_FDCWD, "./config", 0777 [pid 2696] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2692] <... futex resumed>) = 0 [pid 2692] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2699 [pid 2692] <... futex resumed>) = 1 [pid 2697] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2696] mkdirat(AT_FDCWD, "./config", 0777 [pid 2695] <... futex resumed>) = 0 [pid 2692] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 2696] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2697] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2695] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2696] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2698 attached [pid 2697] <... futex resumed>) = 1 [pid 2696] <... futex resumed>) = 1 [pid 2695] <... mkdirat resumed>) = 0 [pid 2693] <... futex resumed>) = 0 [pid 2691] <... futex resumed>) = 0 [pid 2697] mount(NULL, "./config", "configfs", 0, NULL [pid 2696] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2695] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2693] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2691] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2697] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2696] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2695] <... futex resumed>) = 1 [pid 2693] <... futex resumed>) = 0 [pid 2692] <... futex resumed>) = 0 [pid 2691] <... futex resumed>) = 0 [pid 2698] set_robust_list(0x7f85c0c359a0, 24 [pid 2697] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2696] mount(NULL, "./config", "configfs", 0, NULL [pid 2695] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2693] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2692] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2691] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2697] <... futex resumed>) = 0 [pid 2696] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2695] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2693] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2692] <... futex resumed>) = 0 [pid 2697] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2696] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2695] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2693] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2692] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2698] <... set_robust_list resumed>) = 0 [pid 2697] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2696] <... futex resumed>) = 1 [pid 2695] <... symlinkat resumed>) = 0 [pid 2691] <... futex resumed>) = 0 [pid 2697] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2695] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2691] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2697] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2696] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2695] <... futex resumed>) = 0 [pid 2693] <... futex resumed>) = 0 [pid 2692] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2691] <... futex resumed>) = 0 [pid 2697] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2696] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2695] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2693] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2692] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2691] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2699 attached [pid 2697] <... futex resumed>) = 0 [pid 2696] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2695] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2693] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2692] <... futex resumed>) = 0 [pid 2691] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2699] set_robust_list(0x5555810c5760, 24 [pid 2698] rt_sigprocmask(SIG_SETMASK, [] [pid 2697] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2696] <... futex resumed>) = 0 [pid 2695] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2693] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2692] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2691] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2699] <... set_robust_list resumed>) = 0 [pid 2698] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2697] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2696] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2695] <... unlinkat resumed>) = 0 [pid 2693] <... futex resumed>) = 0 [pid 2691] <... futex resumed>) = 0 [pid 2699] rt_sigprocmask(SIG_SETMASK, [] [pid 2697] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2698] mkdirat(AT_FDCWD, "./config", 0777 [pid 2696] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2695] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2693] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2691] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2699] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2698] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2697] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2696] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2695] <... futex resumed>) = 1 [pid 2692] <... futex resumed>) = 0 [pid 2691] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2699] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2698] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2697] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2696] <... futex resumed>) = 0 [pid 2692] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2699] <... prctl resumed>) = 0 [pid 2698] <... futex resumed>) = 1 [pid 2697] <... futex resumed>) = 1 [pid 2696] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2695] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2694] <... futex resumed>) = 0 [pid 2693] <... futex resumed>) = 0 [pid 2692] <... futex resumed>) = 0 [pid 2691] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2699] setpgid(0, 0 [pid 2698] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2697] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2696] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2694] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2693] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2692] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2699] <... setpgid resumed>) = 0 [pid 2698] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2697] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2696] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2695] <... unlinkat resumed>) = 0 [pid 2694] <... futex resumed>) = 0 [pid 2693] <... futex resumed>) = 0 [pid 2691] <... futex resumed>) = 0 [pid 2698] mount(NULL, "./config", "configfs", 0, NULL [pid 2697] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2696] <... futex resumed>) = 0 [pid 2694] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2695] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2693] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2691] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2699] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2698] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2697] <... mkdirat resumed>) = 0 [pid 2696] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2695] <... futex resumed>) = 1 [pid 2692] <... futex resumed>) = 0 [pid 2691] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2699] <... openat resumed>) = 3 [pid 2698] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2697] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2695] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2692] exit_group(0 [pid 2691] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2699] write(3, "1000", 4 [pid 2698] <... futex resumed>) = 1 [pid 2697] <... futex resumed>) = 1 [pid 2696] <... futex resumed>) = 0 [pid 2695] <... futex resumed>) = ? [pid 2694] <... futex resumed>) = 0 [pid 2693] <... futex resumed>) = 0 [pid 2692] <... exit_group resumed>) = ? [pid 2691] <... futex resumed>) = 1 [pid 2699] <... write resumed>) = 4 [pid 2698] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2697] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2696] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2695] +++ exited with 0 +++ [pid 2694] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2693] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2691] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2699] close(3 [pid 2698] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2697] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2696] <... symlinkat resumed>) = 0 [pid 2694] <... futex resumed>) = 0 [pid 2693] <... futex resumed>) = 0 [pid 2692] +++ exited with 0 +++ [pid 2699] <... close resumed>) = 0 [pid 2698] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2697] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2696] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2694] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2693] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2699] write(1, "executing program\n", 18 [pid 2698] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2697] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 2696] <... futex resumed>) = 1 executing program [pid 2691] <... futex resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2692, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2699] <... write resumed>) = 18 [pid 2698] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2697] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2696] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2691] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2699] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2698] <... futex resumed>) = 1 [pid 2697] <... futex resumed>) = 1 [pid 2696] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2694] <... futex resumed>) = 0 [pid 2693] <... futex resumed>) = 0 [pid 2691] <... futex resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2699] <... futex resumed>) = 0 [pid 2698] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2697] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2696] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2694] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2693] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2691] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... restart_syscall resumed>) = 0 [pid 2699] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2698] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2697] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2696] <... unlinkat resumed>) = 0 [pid 2694] <... futex resumed>) = 0 [pid 2693] <... futex resumed>) = 0 [pid 2699] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2698] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2697] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2696] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2694] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2693] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2699] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2698] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2697] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2696] <... futex resumed>) = 1 [pid 2691] <... futex resumed>) = 0 [pid 2699] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2698] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2697] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2696] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2691] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2699] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2698] <... futex resumed>) = 1 [pid 2697] <... futex resumed>) = 1 [pid 2696] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2694] <... futex resumed>) = 0 [pid 2693] <... futex resumed>) = 0 [pid 2691] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2699] <... mmap resumed>) = 0x7f85c0c15000 [pid 2698] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2697] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2696] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2694] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2693] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2691] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2699] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2697] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2699] <... mprotect resumed>) = 0 [pid 2698] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2697] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2696] <... unlinkat resumed>) = 0 [pid 2694] <... futex resumed>) = 0 [pid 2693] <... futex resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2699] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2698] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2697] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2696] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2694] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2693] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2699] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2697] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2696] <... futex resumed>) = 1 [pid 2691] <... futex resumed>) = 0 [pid 2699] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2698] <... mkdirat resumed>) = 0 [pid 2697] <... futex resumed>) = 0 [pid 2696] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2693] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2691] exit_group(0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2700 [pid 2698] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2697] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2696] <... futex resumed>) = ? [pid 2693] exit_group(0 [pid 2691] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 2701 attached [pid 2699] <... clone3 resumed> => {parent_tid=[2701]}, 88) = 2701 [pid 2698] <... futex resumed>) = 1 [pid 2697] <... futex resumed>) = ? [pid 2696] +++ exited with 0 +++ [pid 2694] <... futex resumed>) = 0 [pid 2693] <... exit_group resumed>) = ? [pid 2691] +++ exited with 0 +++ [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 2699] rt_sigprocmask(SIG_SETMASK, [] [pid 2698] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2697] +++ exited with 0 +++ [pid 2694] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2699] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2699] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2699] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2693] +++ exited with 0 +++ [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2698] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2694] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2691, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2693, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2698] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2694] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 2700 attached [pid 2698] <... symlinkat resumed>) = 0 [pid 2700] set_robust_list(0x5555810c5760, 24 [pid 2698] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2700] <... set_robust_list resumed>) = 0 [pid 2698] <... futex resumed>) = 1 [pid 2694] <... futex resumed>) = 0 [pid 2698] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2694] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2698] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2694] <... futex resumed>) = 0 [pid 2698] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2694] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2700] rt_sigprocmask(SIG_SETMASK, [] [pid 2698] <... unlinkat resumed>) = 0 [pid 2700] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2698] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2700] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2698] <... futex resumed>) = 1 [pid 2694] <... futex resumed>) = 0 [pid 2701] set_robust_list(0x7f85c0c359a0, 24 [pid 2698] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2694] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2698] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2694] <... futex resumed>) = 0 [pid 2698] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2694] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2700] <... prctl resumed>) = 0 [pid 2700] setpgid(0, 0) = 0 [pid 2698] <... unlinkat resumed>) = 0 [pid 2700] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2698] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2701] <... set_robust_list resumed>) = 0 [pid 2700] <... openat resumed>) = 3 [pid 2698] <... futex resumed>) = 1 [pid 2694] <... futex resumed>) = 0 [pid 2698] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2694] exit_group(0 [pid 2700] write(3, "1000", 4 [pid 2698] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 2694] <... exit_group resumed>) = ? [pid 2700] <... write resumed>) = 4 [pid 2698] +++ exited with 0 +++ [pid 2700] close(3) = 0 [pid 2700] write(1, "executing program\n", 18) = 18 [pid 2700] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2700] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2694] +++ exited with 0 +++ [pid 2700] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2700] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 executing program [pid 2700] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2694, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] <... restart_syscall resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2700] <... mmap resumed>) = 0x7f85c0c15000 [pid 2700] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2700] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2700] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2700] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[2702]}, 88) = 2702 [pid 2700] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2703 [pid 2700] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 2700] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 2702 attached [pid 311] <... restart_syscall resumed>) = 0 [pid 2702] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2702] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2702] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2702] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 2702] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2704 [pid 2700] <... futex resumed>) = 0 [pid 2700] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 2700] <... futex resumed>) = 0 [pid 2701] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2700] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2703 attached [pid 2701] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2702] <... futex resumed>) = 1 [pid 2701] mkdirat(AT_FDCWD, "./config", 0777 [pid 2702] mount(NULL, "./config", "configfs", 0, NULL [pid 2703] set_robust_list(0x5555810c5760, 24 [pid 2702] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2701] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2702] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2700] <... futex resumed>) = 0 [pid 2701] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2700] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2702] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2701] <... futex resumed>) = 1 [pid 2700] <... futex resumed>) = 0 [pid 2701] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2700] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2699] <... futex resumed>) = 0 [pid 2699] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2699] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2702] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2703] <... set_robust_list resumed>) = 0 [pid 2701] <... futex resumed>) = 0 [pid 2702] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2700] <... futex resumed>) = 0 [pid 2701] mount(NULL, "./config", "configfs", 0, NULL [pid 2700] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2702] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2700] <... futex resumed>) = 0 [pid 2700] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2701] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2702] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2701] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2702] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2701] <... futex resumed>) = 1 [pid 2699] <... futex resumed>) = 0 [pid 2701] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2699] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2701] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2699] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2702] <... futex resumed>) = 1 [pid 2700] <... futex resumed>) = 0 [pid 2701] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2700] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2702] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2700] <... futex resumed>) = 0 [pid 2701] <... futex resumed>) = 1 [pid 2699] <... futex resumed>) = 0 [pid 2700] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2699] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2701] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2699] <... futex resumed>) = 0 [pid 2701] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2699] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2701] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2699] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2701] <... futex resumed>) = 0 [pid 2699] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2701] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2699] <... futex resumed>) = 0 [pid 2699] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2702] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2701] <... mkdirat resumed>) = 0 [pid 2702] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2701] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2702] <... futex resumed>) = 1 [pid 2701] <... futex resumed>) = 1 [pid 2700] <... futex resumed>) = 0 [pid 2699] <... futex resumed>) = 0 [pid 2701] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2700] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2699] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2701] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2700] <... futex resumed>) = 0 [pid 2699] <... futex resumed>) = 0 [pid 2701] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2700] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2699] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... restart_syscall resumed>) = 0 [pid 2702] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2701] <... symlinkat resumed>) = 0 [pid 2701] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2703] rt_sigprocmask(SIG_SETMASK, [] [pid 2701] <... futex resumed>) = 1 [pid 2699] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2703] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2701] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2699] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2703] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2701] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2699] <... futex resumed>) = 0 [pid 2699] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2702] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 2702] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2702] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 2704 attached [pid 2701] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2700] <... futex resumed>) = 0 [pid 2703] <... prctl resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2705 [pid 2700] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2700] <... futex resumed>) = 1 [pid 2703] setpgid(0, 0 [pid 2702] <... futex resumed>) = 0 [pid 2701] <... unlinkat resumed>) = 0 [pid 2700] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2703] <... setpgid resumed>) = 0 [pid 2702] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2701] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2703] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2702] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2701] <... futex resumed>) = 1 [pid 2699] <... futex resumed>) = 0 [pid 2702] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2701] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2699] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2703] <... openat resumed>) = 3 [pid 2702] <... futex resumed>) = 1 [pid 2701] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2700] <... futex resumed>) = 0 [pid 2699] <... futex resumed>) = 0 [pid 2703] write(3, "1000", 4 [pid 2702] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2701] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2700] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2699] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2703] <... write resumed>) = 4 [pid 2702] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2700] <... futex resumed>) = 0 [pid 2702] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2701] <... unlinkat resumed>) = 0 [pid 2700] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2703] close(3 [pid 2702] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2701] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2702] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2703] <... close resumed>) = 0 [pid 2701] <... futex resumed>) = 1 [pid 2699] <... futex resumed>) = 0 [pid 2700] <... futex resumed>) = 0 [pid 2703] write(1, "executing program\n", 18 [pid 2702] <... futex resumed>) = 1 [pid 2701] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2699] exit_group(0 [pid 2700] exit_group(0 [pid 2703] <... write resumed>) = 18 [pid 2701] <... futex resumed>) = ? executing program [pid 2699] <... exit_group resumed>) = ? [pid 2700] <... exit_group resumed>) = ? [pid 2702] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2703] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2701] +++ exited with 0 +++ [pid 2699] +++ exited with 0 +++ [pid 2704] set_robust_list(0x5555810c5760, 24 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2699, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2704] <... set_robust_list resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2704] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2704] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2704] setpgid(0, 0) = 0 [pid 2702] +++ exited with 0 +++ [pid 2700] +++ exited with 0 +++ [pid 2704] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2703] <... futex resumed>) = 0 [pid 2704] <... openat resumed>) = 3 [pid 2703] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2700, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2704] write(3, "1000", 4 [pid 2703] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2704] <... write resumed>) = 4 [pid 2703] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2704] close(3) = 0 [pid 2703] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 2704] write(1, "executing program\n", 18) = 18 [pid 2704] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2703] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2704] <... futex resumed>) = 0 [pid 2703] <... mmap resumed>) = 0x7f85c0c15000 [pid 2704] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2703] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2704] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2704] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2704] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2704] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2704] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2703] <... mprotect resumed>) = 0 [pid 2704] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2703] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2704] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2703] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2703] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2704] <... clone3 resumed> => {parent_tid=[2706]}, 88) = 2706 [pid 2704] rt_sigprocmask(SIG_SETMASK, [] [pid 2703] <... clone3 resumed> => {parent_tid=[2707]}, 88) = 2707 [pid 2704] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2703] rt_sigprocmask(SIG_SETMASK, [] [pid 2704] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2703] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2704] <... futex resumed>) = 0 [pid 2703] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2704] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2703] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2705 attached [pid 2703] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2705] set_robust_list(0x5555810c5760, 24) = 0 ci2-android-5-15/strace-static-x86_64: Process 2707 attached ci2-android-5-15/strace-static-x86_64: Process 2706 attached [pid 2705] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... restart_syscall resumed>) = 0 [pid 2705] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2705] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2705] setpgid(0, 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2705] <... setpgid resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2705] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2705] write(3, "1000", 4 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2708 [pid 2705] <... write resumed>) = 4 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 2705] close(3 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2705] <... close resumed>) = 0 [pid 2705] write(1, "executing program\n", 18) = 18 executing program [pid 2707] set_robust_list(0x7f85c0c359a0, 24 [pid 2706] set_robust_list(0x7f85c0c359a0, 24 [pid 2705] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2706] <... set_robust_list resumed>) = 0 [pid 2705] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2705] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2705] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 305] <... restart_syscall resumed>) = 0 [pid 2706] rt_sigprocmask(SIG_SETMASK, [] [pid 2705] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2705] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2705] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2705] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[2709]}, 88) = 2709 [pid 2705] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2705] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2710 [pid 2705] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 2708 attached [pid 2706] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2708] set_robust_list(0x5555810c5760, 24 [pid 2707] <... set_robust_list resumed>) = 0 [pid 2706] mkdirat(AT_FDCWD, "./config", 0777ci2-android-5-15/strace-static-x86_64: Process 2710 attached ci2-android-5-15/strace-static-x86_64: Process 2709 attached [pid 2707] rt_sigprocmask(SIG_SETMASK, [] [pid 2706] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2708] <... set_robust_list resumed>) = 0 [pid 2708] rt_sigprocmask(SIG_SETMASK, [] [pid 2707] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2706] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2710] set_robust_list(0x5555810c5760, 24 [pid 2709] set_robust_list(0x7f85c0c359a0, 24 [pid 2708] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2708] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2710] <... set_robust_list resumed>) = 0 [pid 2709] <... set_robust_list resumed>) = 0 [pid 2707] mkdirat(AT_FDCWD, "./config", 0777 [pid 2706] <... futex resumed>) = 1 [pid 2704] <... futex resumed>) = 0 [pid 2704] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2704] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2708] <... prctl resumed>) = 0 [pid 2708] setpgid(0, 0) = 0 [pid 2708] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2707] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2706] mount(NULL, "./config", "configfs", 0, NULL [pid 2707] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2708] <... openat resumed>) = 3 [pid 2710] rt_sigprocmask(SIG_SETMASK, [] [pid 2709] rt_sigprocmask(SIG_SETMASK, [] [pid 2707] <... futex resumed>) = 1 [pid 2706] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2703] <... futex resumed>) = 0 [pid 2708] write(3, "1000", 4 [pid 2703] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2707] mount(NULL, "./config", "configfs", 0, NULL [pid 2706] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2703] <... futex resumed>) = 0 [pid 2708] <... write resumed>) = 4 [pid 2703] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2706] <... futex resumed>) = 1 [pid 2704] <... futex resumed>) = 0 [pid 2707] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2706] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2704] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2707] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2706] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2704] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2708] close(3) = 0 [pid 2710] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2709] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2707] <... futex resumed>) = 1 [pid 2706] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2703] <... futex resumed>) = 0 [pid 2708] write(1, "executing program\n", 18 [pid 2703] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2707] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2706] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2703] <... futex resumed>) = 0 [pid 2706] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2703] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2707] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2710] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2708] <... write resumed>) = 18 executing program [pid 2706] <... futex resumed>) = 1 [pid 2704] <... futex resumed>) = 0 [pid 2710] <... prctl resumed>) = 0 [pid 2708] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2707] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2706] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2704] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2710] setpgid(0, 0 [pid 2708] <... futex resumed>) = 0 [pid 2707] <... futex resumed>) = 1 [pid 2706] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2704] <... futex resumed>) = 0 [pid 2703] <... futex resumed>) = 0 [pid 2710] <... setpgid resumed>) = 0 [pid 2709] mkdirat(AT_FDCWD, "./config", 0777 [pid 2708] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2707] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2706] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2704] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2703] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2710] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2708] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2707] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2706] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2703] <... futex resumed>) = 0 [pid 2707] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2706] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2703] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2710] <... openat resumed>) = 3 [pid 2708] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2707] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2706] <... futex resumed>) = 1 [pid 2704] <... futex resumed>) = 0 [pid 2710] write(3, "1000", 4 [pid 2708] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2707] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2706] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2704] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2710] <... write resumed>) = 4 [pid 2708] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2707] <... futex resumed>) = 1 [pid 2706] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2704] <... futex resumed>) = 0 [pid 2703] <... futex resumed>) = 0 [pid 2710] close(3 [pid 2708] <... mmap resumed>) = 0x7f85c0c15000 [pid 2707] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2706] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2704] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2703] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2710] <... close resumed>) = 0 [pid 2708] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2707] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2703] <... futex resumed>) = 0 [pid 2710] write(1, "executing program\n", 18 [pid 2707] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2706] <... mkdirat resumed>) = 0 [pid 2703] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2710] <... write resumed>) = 18 [pid 2707] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2706] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2707] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2710] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2708] <... mprotect resumed>) = 0 executing program [pid 2707] <... futex resumed>) = 1 [pid 2706] <... futex resumed>) = 1 [pid 2704] <... futex resumed>) = 0 [pid 2703] <... futex resumed>) = 0 [pid 2710] <... futex resumed>) = 0 [pid 2708] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2707] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2706] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2704] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2703] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2710] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2709] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2708] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2707] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2706] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2704] <... futex resumed>) = 0 [pid 2703] <... futex resumed>) = 0 [pid 2710] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2709] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2708] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2707] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2706] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2704] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2703] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2711 attached [pid 2710] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2709] <... futex resumed>) = 1 [pid 2707] <... symlinkat resumed>) = 0 [pid 2706] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 2705] <... futex resumed>) = 0 [pid 2710] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2709] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2708] <... clone3 resumed> => {parent_tid=[2711]}, 88) = 2711 [pid 2707] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2706] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2705] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2710] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2709] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2708] rt_sigprocmask(SIG_SETMASK, [] [pid 2707] <... futex resumed>) = 1 [pid 2706] <... futex resumed>) = 1 [pid 2705] <... futex resumed>) = 0 [pid 2704] <... futex resumed>) = 0 [pid 2703] <... futex resumed>) = 0 [pid 2710] <... mmap resumed>) = 0x7f85c0c15000 [pid 2709] mount(NULL, "./config", "configfs", 0, NULL [pid 2708] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2707] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2706] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2705] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2704] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2703] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2711] set_robust_list(0x7f85c0c359a0, 24 [pid 2710] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2709] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2708] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2707] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2706] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2704] <... futex resumed>) = 0 [pid 2703] <... futex resumed>) = 0 [pid 2710] <... mprotect resumed>) = 0 [pid 2709] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2708] <... futex resumed>) = 0 [pid 2707] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2706] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2704] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2703] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2710] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2709] <... futex resumed>) = 1 [pid 2708] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2707] <... unlinkat resumed>) = 0 [pid 2706] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2705] <... futex resumed>) = 0 [pid 2710] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2709] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2707] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2706] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2705] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2710] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2709] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2707] <... futex resumed>) = 1 [pid 2706] <... futex resumed>) = 1 [pid 2705] <... futex resumed>) = 0 [pid 2704] <... futex resumed>) = 0 [pid 2703] <... futex resumed>) = 0 [pid 2709] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2707] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2706] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2705] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2704] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2703] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2710] <... clone3 resumed> => {parent_tid=[2712]}, 88) = 2712 [pid 2709] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2707] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2704] <... futex resumed>) = 0 [pid 2706] <... unlinkat resumed>) = 0 [pid 2710] rt_sigprocmask(SIG_SETMASK, [] [pid 2709] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2707] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2706] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2704] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2703] <... futex resumed>) = 0 [pid 2710] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2709] <... futex resumed>) = 1 [pid 2707] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2706] <... futex resumed>) = 0 [pid 2705] <... futex resumed>) = 0 [pid 2704] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2703] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2710] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2709] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2707] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2706] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2705] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2704] exit_group(0 [pid 2703] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2711] <... set_robust_list resumed>) = 0 [pid 2710] <... futex resumed>) = 0 [pid 2709] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2707] <... futex resumed>) = 0 [pid 2705] <... futex resumed>) = 0 [pid 2704] <... exit_group resumed>) = ? [pid 2703] exit_group(0 [pid 2706] <... futex resumed>) = ? [pid 2710] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2709] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2707] ???( [pid 2705] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2703] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 2712 attached [pid 2712] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2712] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2712] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 2706] +++ exited with 0 +++ [pid 2704] +++ exited with 0 +++ [pid 2712] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2712] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2711] rt_sigprocmask(SIG_SETMASK, [] [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2704, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2710] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2709] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2707] <... ??? resumed>) = ? [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2710] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2709] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2711] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2711] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 2710] <... futex resumed>) = 1 [pid 2712] <... futex resumed>) = 0 [pid 2711] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2712] mount(NULL, "./config", "configfs", 0, NULL [pid 2711] <... futex resumed>) = 1 [pid 2708] <... futex resumed>) = 0 [pid 2712] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2711] mount(NULL, "./config", "configfs", 0, NULL [pid 2710] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2709] <... futex resumed>) = 1 [pid 2708] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2707] +++ exited with 0 +++ [pid 2705] <... futex resumed>) = 0 [pid 2703] +++ exited with 0 +++ [pid 2712] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2711] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2709] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2708] <... futex resumed>) = 0 [pid 2705] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2712] <... futex resumed>) = 1 [pid 2711] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2710] <... futex resumed>) = 0 [pid 2709] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2708] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2705] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2703, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2712] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2711] <... futex resumed>) = 0 [pid 2710] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2709] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2708] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2705] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2712] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2711] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2710] <... futex resumed>) = 0 [pid 2708] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2712] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2711] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2710] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2709] <... mkdirat resumed>) = 0 [pid 2708] <... futex resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 2712] <... futex resumed>) = 0 [pid 2711] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2710] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2709] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2708] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2712] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2711] <... futex resumed>) = 0 [pid 2710] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2709] <... futex resumed>) = 1 [pid 2708] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2705] <... futex resumed>) = 0 [pid 2712] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2711] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2710] <... futex resumed>) = 0 [pid 2709] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2708] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2705] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2712] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2711] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2710] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2709] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2708] <... futex resumed>) = 0 [pid 2705] <... futex resumed>) = 0 [pid 2712] <... futex resumed>) = 0 [pid 2711] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2708] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2712] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2711] <... futex resumed>) = 0 [pid 2708] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2711] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2708] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2711] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2710] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2709] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2708] <... futex resumed>) = 0 [pid 2705] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2711] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2710] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2709] <... symlinkat resumed>) = 0 [pid 2708] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2712] <... futex resumed>) = 0 [pid 2711] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2710] <... futex resumed>) = 1 [pid 2709] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2712] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2711] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2710] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2709] <... futex resumed>) = 1 [pid 2705] <... futex resumed>) = 0 [pid 2712] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2711] <... futex resumed>) = 1 [pid 2708] <... futex resumed>) = 0 [pid 2712] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2711] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2708] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2712] <... futex resumed>) = 0 [pid 2711] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2710] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2709] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2708] <... futex resumed>) = 0 [pid 2705] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2712] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2711] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2710] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2709] <... unlinkat resumed>) = 0 [pid 2708] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2705] <... futex resumed>) = 0 [pid 2712] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2711] <... symlinkat resumed>) = 0 [pid 2710] <... futex resumed>) = 0 [pid 2709] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2713 [pid 2712] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2711] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2710] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2709] <... futex resumed>) = 0 [pid 2705] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2712] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 2711] <... futex resumed>) = 1 [pid 2709] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2708] <... futex resumed>) = 0 [pid 2705] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 2712] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2711] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2708] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2705] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2712] <... futex resumed>) = 1 [pid 2711] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2710] <... futex resumed>) = 0 [pid 2709] <... futex resumed>) = 0 [pid 2708] <... futex resumed>) = 0 [pid 2705] <... futex resumed>) = 1 [pid 2712] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2711] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2710] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2709] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2708] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2705] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2712] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2711] <... unlinkat resumed>) = 0 [pid 2710] <... futex resumed>) = 0 [pid 2712] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2711] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2710] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2709] <... unlinkat resumed>) = 0 [pid 2712] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2711] <... futex resumed>) = 1 [pid 2708] <... futex resumed>) = 0 [pid 2712] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2711] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2709] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2708] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2713 attached [pid 2712] <... futex resumed>) = 1 [pid 2711] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2710] <... futex resumed>) = 0 [pid 2709] <... futex resumed>) = 1 [pid 2708] <... futex resumed>) = 0 [pid 2705] <... futex resumed>) = 0 [pid 2713] set_robust_list(0x5555810c5760, 24 [pid 2712] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2711] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2710] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2709] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2708] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2705] exit_group(0 [pid 2713] <... set_robust_list resumed>) = 0 [pid 2712] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2711] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2710] <... futex resumed>) = 0 [pid 2705] <... exit_group resumed>) = ? [pid 2709] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 2713] rt_sigprocmask(SIG_SETMASK, [] [pid 2712] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2711] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2710] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2713] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2712] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2713] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2712] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2713] <... prctl resumed>) = 0 [pid 2712] <... futex resumed>) = 0 [pid 2713] setpgid(0, 0 [pid 2712] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2713] <... setpgid resumed>) = 0 [pid 2709] +++ exited with 0 +++ [pid 2705] +++ exited with 0 +++ [pid 312] <... restart_syscall resumed>) = 0 [pid 2708] <... futex resumed>) = 0 [pid 2711] <... futex resumed>) = 1 [pid 2710] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2711] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2710] exit_group(0 [pid 2708] exit_group(0 [pid 2713] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2712] <... futex resumed>) = ? [pid 2710] <... exit_group resumed>) = ? [pid 2708] <... exit_group resumed>) = ? [pid 2711] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2705, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2713] <... openat resumed>) = 3 [pid 2712] +++ exited with 0 +++ [pid 2713] write(3, "1000", 4) = 4 [pid 2713] close(3) = 0 [pid 2713] write(1, "executing program\n", 18) = 18 [pid 2713] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2710] +++ exited with 0 +++ [pid 2713] <... futex resumed>) = 0 [pid 2713] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2713] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2710, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2713] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2713] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2713] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2713] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2711] +++ exited with 0 +++ [pid 2708] +++ exited with 0 +++ [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2713] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2713] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[2714]}, 88) = 2714 executing program [pid 2713] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2715 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2708, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2713] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2713] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 2715 attached [pid 2715] set_robust_list(0x5555810c5760, 24) = 0 ci2-android-5-15/strace-static-x86_64: Process 2714 attached [pid 2715] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2715] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2715] setpgid(0, 0) = 0 [pid 2715] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2714] set_robust_list(0x7f85c0c359a0, 24 [pid 2715] <... openat resumed>) = 3 [pid 2714] <... set_robust_list resumed>) = 0 [pid 2715] write(3, "1000", 4) = 4 [pid 2715] close(3) = 0 [pid 2715] write(1, "executing program\n", 18) = 18 executing program [pid 2715] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2714] rt_sigprocmask(SIG_SETMASK, [] [pid 2715] <... futex resumed>) = 0 [pid 2715] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2714] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2715] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2715] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2715] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2715] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2715] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2714] mkdirat(AT_FDCWD, "./config", 0777 [pid 2715] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2715] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0}ci2-android-5-15/strace-static-x86_64: Process 2716 attached [pid 2714] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2715] <... clone3 resumed> => {parent_tid=[2716]}, 88) = 2716 [pid 2714] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2715] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2715] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2715] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2716] set_robust_list(0x7f85c0c359a0, 24 [pid 2714] <... futex resumed>) = 1 [pid 2716] <... set_robust_list resumed>) = 0 [pid 2716] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2716] mkdirat(AT_FDCWD, "./config", 0777 [pid 2714] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2713] <... futex resumed>) = 0 [pid 2716] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2716] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2715] <... futex resumed>) = 0 [pid 2715] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2715] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2716] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 2713] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... restart_syscall resumed>) = 0 [pid 2716] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2715] <... futex resumed>) = 0 [pid 2715] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2715] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2716] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 2714] <... futex resumed>) = 0 [pid 2713] <... futex resumed>) = 1 [pid 2716] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2715] <... futex resumed>) = 0 [pid 2715] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2715] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2716] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 2716] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2714] mount(NULL, "./config", "configfs", 0, NULL [pid 2713] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2714] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2714] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2714] <... futex resumed>) = 1 [pid 2713] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2714] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2713] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2716] <... futex resumed>) = 1 [pid 2715] <... futex resumed>) = 0 [pid 2716] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2715] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2716] <... mkdirat resumed>) = 0 [pid 2715] <... futex resumed>) = 0 [pid 2714] <... futex resumed>) = 0 [pid 2713] <... futex resumed>) = 1 [pid 2714] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2717 [pid 2713] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... restart_syscall resumed>) = 0 [pid 2714] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 305] <... restart_syscall resumed>) = 0 [pid 2714] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 2714] <... futex resumed>) = 1 [pid 2716] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2715] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2714] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2713] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2713] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2714] <... futex resumed>) = 0 [pid 2713] <... futex resumed>) = 1 [pid 2716] <... futex resumed>) = 0 [pid 2715] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2716] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2715] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2717 attached [pid 2716] <... symlinkat resumed>) = 0 [pid 2715] <... futex resumed>) = 0 [pid 2714] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2713] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2716] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2715] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2716] <... futex resumed>) = 0 [pid 2715] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2714] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2718 [pid 2716] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2715] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2716] <... unlinkat resumed>) = 0 [pid 2715] <... futex resumed>) = 0 [pid 2716] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2715] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2714] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2716] <... futex resumed>) = 0 [pid 2715] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2716] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2715] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2719 attached [pid 2717] set_robust_list(0x5555810c5760, 24 [pid 2716] <... unlinkat resumed>) = 0 [pid 2715] <... futex resumed>) = 0 [pid 2714] <... futex resumed>) = 1 [pid 2713] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2719 [pid 2716] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2715] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2716] <... futex resumed>) = 0 [pid 2715] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2716] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2715] exit_group(0 [pid 2716] <... futex resumed>) = ? [pid 2715] <... exit_group resumed>) = ? [pid 2719] set_robust_list(0x5555810c5760, 24 [pid 2717] <... set_robust_list resumed>) = 0 [pid 2716] +++ exited with 0 +++ [pid 2715] +++ exited with 0 +++ [pid 2714] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2713] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 2718 attached [pid 2718] set_robust_list(0x5555810c5760, 24) = 0 [pid 2718] rt_sigprocmask(SIG_SETMASK, [] [pid 2714] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2713] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2715, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2718] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2718] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2714] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2713] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2718] <... prctl resumed>) = 0 [pid 2718] setpgid(0, 0) = 0 [pid 2718] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2714] <... mkdirat resumed>) = 0 [pid 2718] write(3, "1000", 4) = 4 [pid 2718] close(3) = 0 [pid 2718] write(1, "executing program\n", 18) = 18 [pid 2718] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 2714] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2714] <... futex resumed>) = 1 [pid 2713] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2714] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2713] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2714] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2713] <... futex resumed>) = 0 [pid 2718] <... futex resumed>) = 0 [pid 2718] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2718] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2718] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2713] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2714] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2720 [pid 2718] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2714] <... symlinkat resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 2714] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2714] <... futex resumed>) = 1 [pid 2713] <... futex resumed>) = 0 [pid 2714] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2713] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2714] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2713] <... futex resumed>) = 0 [pid 2714] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2713] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2718] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2714] <... unlinkat resumed>) = 0 [pid 2718] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2714] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2718] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2714] <... futex resumed>) = 1 [pid 2713] <... futex resumed>) = 0 [pid 2714] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2713] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2714] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2713] <... futex resumed>) = 0 [pid 2714] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2713] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2714] <... unlinkat resumed>) = 0 [pid 2718] <... clone3 resumed> => {parent_tid=[2721]}, 88) = 2721 [pid 2714] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2718] rt_sigprocmask(SIG_SETMASK, [] [pid 2714] <... futex resumed>) = 1 [pid 2713] <... futex resumed>) = 0 [pid 2714] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2713] exit_group(0 [pid 2718] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2714] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 2713] <... exit_group resumed>) = ? [pid 2719] <... set_robust_list resumed>) = 0 [pid 2718] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2717] rt_sigprocmask(SIG_SETMASK, [] [pid 2714] +++ exited with 0 +++ [pid 2718] <... futex resumed>) = 0 [pid 2718] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2720 attached [pid 2720] set_robust_list(0x5555810c5760, 24) = 0 [pid 2720] rt_sigprocmask(SIG_SETMASK, [] [pid 2713] +++ exited with 0 +++ [pid 2720] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2720] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2713, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2720] <... prctl resumed>) = 0 [pid 2720] setpgid(0, 0) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2720] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2717] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2720] <... openat resumed>) = 3 [pid 2717] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2719] rt_sigprocmask(SIG_SETMASK, [] [pid 2720] write(3, "1000", 4) = 4 [pid 2720] close(3) = 0 [pid 2720] write(1, "executing program\n", 18 [pid 2717] <... prctl resumed>) = 0 [pid 2720] <... write resumed>) = 18 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2722 [pid 2717] setpgid(0, 0 [pid 2720] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 2717] <... setpgid resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2720] <... futex resumed>) = 0 [pid 2720] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} executing program [pid 2717] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2720] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2720] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2720] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2720] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2717] <... openat resumed>) = 3 [pid 2720] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2719] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2717] write(3, "1000", 4ci2-android-5-15/strace-static-x86_64: Process 2722 attached ci2-android-5-15/strace-static-x86_64: Process 2721 attached [pid 2721] set_robust_list(0x7f85c0c359a0, 24 [pid 2717] <... write resumed>) = 4 [pid 2721] <... set_robust_list resumed>) = 0 [pid 2721] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2717] close(3 [pid 2721] mkdirat(AT_FDCWD, "./config", 0777 [pid 2719] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2717] <... close resumed>) = 0 [pid 2721] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2721] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2718] <... futex resumed>) = 0 [pid 2718] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2721] <... futex resumed>) = 1 [pid 2718] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2721] mount(NULL, "./config", "configfs", 0, NULL [pid 2722] set_robust_list(0x5555810c5760, 24 [pid 2721] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2720] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2719] <... prctl resumed>) = 0 [pid 2717] write(1, "executing program\n", 18 executing program [pid 2721] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2719] setpgid(0, 0 [pid 2717] <... write resumed>) = 18 [pid 2721] <... futex resumed>) = 1 [pid 2718] <... futex resumed>) = 0 [pid 2719] <... setpgid resumed>) = 0 [pid 2717] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2721] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2718] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2717] <... futex resumed>) = 0 [pid 2721] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2719] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2718] <... futex resumed>) = 0 [pid 2721] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2718] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2717] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2721] <... futex resumed>) = 0 [pid 2719] <... openat resumed>) = 3 [pid 2718] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2717] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2721] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2718] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2717] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2719] write(3, "1000", 4 [pid 2721] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2718] <... futex resumed>) = 0 [pid 2717] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2721] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2718] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2717] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2721] <... futex resumed>) = 0 [pid 2719] <... write resumed>) = 4 [pid 2718] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2721] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2718] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2717] <... mmap resumed>) = 0x7f85c0c15000 [pid 2722] <... set_robust_list resumed>) = 0 [pid 2721] <... mkdirat resumed>) = 0 [pid 2720] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2719] close(3 [pid 2718] <... futex resumed>) = 0 [pid 2717] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2721] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2718] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2721] <... futex resumed>) = 0 [pid 2719] <... close resumed>) = 0 [pid 2718] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2717] <... mprotect resumed>) = 0 [pid 2721] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2718] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2721] <... symlinkat resumed>) = 0 [pid 2720] <... clone3 resumed> => {parent_tid=[2723]}, 88) = 2723 [pid 2719] write(1, "executing program\n", 18 [pid 2718] <... futex resumed>) = 0 [pid 2717] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2721] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2718] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2717] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 2722] rt_sigprocmask(SIG_SETMASK, [] [pid 2721] <... futex resumed>) = 0 [pid 2720] rt_sigprocmask(SIG_SETMASK, [] [pid 2719] <... write resumed>) = 18 [pid 2718] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2717] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2722] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2721] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2720] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2719] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2718] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2721] <... unlinkat resumed>) = 0 [pid 2720] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2719] <... futex resumed>) = 0 [pid 2718] <... futex resumed>) = 0 [pid 2722] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2721] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2720] <... futex resumed>) = 0 [pid 2719] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2718] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2722] <... prctl resumed>) = 0 [pid 2717] <... clone3 resumed> => {parent_tid=[2724]}, 88) = 2724 [pid 2721] <... futex resumed>) = 0 [pid 2720] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2719] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2718] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2717] rt_sigprocmask(SIG_SETMASK, [] [pid 2722] setpgid(0, 0 [pid 2721] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2719] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2718] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2722] <... setpgid resumed>) = 0 [pid 2717] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2721] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2719] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2718] <... futex resumed>) = 0 [pid 2721] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2722] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2719] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2718] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2717] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2722] <... openat resumed>) = 3 [pid 2721] <... unlinkat resumed>) = 0 [pid 2719] <... mmap resumed>) = 0x7f85c0c15000 [pid 2717] <... futex resumed>) = 0 [pid 2721] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2719] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2722] write(3, "1000", 4 [pid 2721] <... futex resumed>) = 1 [pid 2718] <... futex resumed>) = 0 [pid 2717] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2721] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2719] <... mprotect resumed>) = 0 [pid 2718] exit_group(0 [pid 2722] <... write resumed>) = 4 [pid 2721] <... futex resumed>) = ? [pid 2718] <... exit_group resumed>) = ? [pid 2722] close(3 [pid 2721] +++ exited with 0 +++ [pid 2719] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2718] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 2723 attached [pid 2723] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2723] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2723] mkdirat(AT_FDCWD, "./config", 0777 [pid 2719] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2722] <... close resumed>) = 0 [pid 2719] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2718, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2723] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2723] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2722] write(1, "executing program\n", 18 [pid 2723] <... futex resumed>) = 1 [pid 2722] <... write resumed>) = 18 [pid 2720] <... futex resumed>) = 0 [pid 2719] <... clone3 resumed> => {parent_tid=[2725]}, 88) = 2725 [pid 2720] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2722] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2720] <... futex resumed>) = 0 [pid 2719] rt_sigprocmask(SIG_SETMASK, [] [pid 2722] <... futex resumed>) = 0 executing program [pid 2720] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2719] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2722] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2719] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2722] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2719] <... futex resumed>) = 0 [pid 2722] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2719] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2722] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 2724 attached [pid 2723] mount(NULL, "./config", "configfs", 0, NULL [pid 2722] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2724] set_robust_list(0x7f85c0c359a0, 24 [pid 2723] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2722] <... mmap resumed>) = 0x7f85c0c15000 [pid 2724] <... set_robust_list resumed>) = 0 [pid 2723] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2722] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2724] rt_sigprocmask(SIG_SETMASK, [] [pid 2723] <... futex resumed>) = 1 [pid 2722] <... mprotect resumed>) = 0 [pid 2720] <... futex resumed>) = 0 [pid 2724] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2723] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2722] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2723] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2722] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2720] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2723] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2722] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2720] <... futex resumed>) = 0 [pid 2724] mkdirat(AT_FDCWD, "./config", 0777 [pid 2720] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2723] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2722] <... clone3 resumed> => {parent_tid=[2726]}, 88) = 2726 [pid 2724] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2723] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2722] rt_sigprocmask(SIG_SETMASK, [] [pid 2724] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2722] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2723] <... futex resumed>) = 1 [pid 2722] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2720] <... futex resumed>) = 0 [pid 2723] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2722] <... futex resumed>) = 0 [pid 2723] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2720] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2722] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2720] <... futex resumed>) = 0 [pid 2723] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2720] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2724] <... futex resumed>) = 1 [pid 2717] <... futex resumed>) = 0 [pid 2723] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2717] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2724] mount(NULL, "./config", "configfs", 0, NULL [pid 2717] <... futex resumed>) = 0 [pid 2723] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2717] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2724] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2723] <... futex resumed>) = 1 [pid 2720] <... futex resumed>) = 0 [pid 2723] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2720] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2723] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2720] <... futex resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 2723] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2720] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2724] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 2725 attached [pid 2724] <... futex resumed>) = 1 [pid 2717] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2725] set_robust_list(0x7f85c0c359a0, 24 [pid 2724] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2723] <... mkdirat resumed>) = 0 [pid 2717] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2725] <... set_robust_list resumed>) = 0 [pid 2724] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2723] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2717] <... futex resumed>) = 0 [pid 2725] rt_sigprocmask(SIG_SETMASK, [] [pid 2724] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2725] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2724] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2725] mkdirat(AT_FDCWD, "./config", 0777 [pid 2724] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2725] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2724] <... futex resumed>) = 0 [pid 2723] <... futex resumed>) = 1 [pid 2720] <... futex resumed>) = 0 [pid 2717] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2725] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2724] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2723] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2720] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2717] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2727 [pid 2725] <... futex resumed>) = 1 [pid 2723] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2720] <... futex resumed>) = 0 [pid 2719] <... futex resumed>) = 0 [pid 2717] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2726 attached [pid 2723] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2720] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2719] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2725] mount(NULL, "./config", "configfs", 0, NULL [pid 2724] <... futex resumed>) = 0 [pid 2717] <... futex resumed>) = 1 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2726] set_robust_list(0x7f85c0c359a0, 24 [pid 2725] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2724] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2723] <... symlinkat resumed>) = 0 [pid 2719] <... futex resumed>) = 0 [pid 2717] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2726] <... set_robust_list resumed>) = 0 [pid 2725] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2724] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2723] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2719] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2726] rt_sigprocmask(SIG_SETMASK, [] [pid 2725] <... futex resumed>) = 0 [pid 2724] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2723] <... futex resumed>) = 1 [pid 2720] <... futex resumed>) = 0 [pid 2719] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2726] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2725] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2724] <... futex resumed>) = 1 [pid 2723] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2720] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2719] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2717] <... futex resumed>) = 0 [pid 2726] mkdirat(AT_FDCWD, "./config", 0777 [pid 2725] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2724] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2723] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2720] <... futex resumed>) = 0 [pid 2719] <... futex resumed>) = 0 [pid 2717] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2726] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2725] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2724] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2723] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2720] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2719] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2717] <... futex resumed>) = 0 [pid 2726] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2725] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2724] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2723] <... unlinkat resumed>) = 0 [pid 2726] <... futex resumed>) = 1 [pid 2725] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2724] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2722] <... futex resumed>) = 0 [pid 2719] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2723] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2717] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2727 attached [pid 2726] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2725] <... futex resumed>) = 0 [pid 2724] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2723] <... futex resumed>) = 1 [pid 2722] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2720] <... futex resumed>) = 0 [pid 2719] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2717] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2727] set_robust_list(0x5555810c5760, 24 [pid 2726] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2725] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2724] <... futex resumed>) = 0 [pid 2723] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2722] <... futex resumed>) = 0 [pid 2720] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2719] <... futex resumed>) = 0 [pid 2717] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2727] <... set_robust_list resumed>) = 0 [pid 2726] mount(NULL, "./config", "configfs", 0, NULL [pid 2725] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2724] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2723] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2722] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2720] <... futex resumed>) = 0 [pid 2719] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2717] <... futex resumed>) = 0 [pid 2727] rt_sigprocmask(SIG_SETMASK, [] [pid 2726] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2725] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2724] <... symlinkat resumed>) = 0 [pid 2723] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2720] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2727] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2726] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2725] <... futex resumed>) = 0 [pid 2724] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2723] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 2719] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2717] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2727] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2726] <... futex resumed>) = 1 [pid 2725] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2724] <... futex resumed>) = 0 [pid 2723] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2722] <... futex resumed>) = 0 [pid 2719] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2717] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2727] <... prctl resumed>) = 0 [pid 2726] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2725] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2724] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2723] <... futex resumed>) = 1 [pid 2722] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2720] <... futex resumed>) = 0 [pid 2719] <... futex resumed>) = 0 [pid 2717] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2727] setpgid(0, 0 [pid 2726] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2725] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2724] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2723] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2722] <... futex resumed>) = 0 [pid 2720] exit_group(0 [pid 2719] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2717] <... futex resumed>) = 0 [pid 2727] <... setpgid resumed>) = 0 [pid 2726] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2725] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2724] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2723] <... futex resumed>) = ? [pid 2722] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2720] <... exit_group resumed>) = ? [pid 2717] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2727] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2726] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2725] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2724] <... unlinkat resumed>) = 0 [pid 2723] +++ exited with 0 +++ [pid 2727] <... openat resumed>) = 3 [pid 2726] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2725] <... futex resumed>) = 1 [pid 2724] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2727] write(3, "1000", 4 [pid 2726] <... futex resumed>) = 1 [pid 2725] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2724] <... futex resumed>) = 0 [pid 2720] +++ exited with 0 +++ [pid 2719] <... futex resumed>) = 0 [pid 2717] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2727] <... write resumed>) = 4 [pid 2726] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2724] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2722] <... futex resumed>) = 0 [pid 2719] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2717] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2727] close(3 [pid 2725] <... futex resumed>) = 0 [pid 2724] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2722] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2719] <... futex resumed>) = 1 [pid 2717] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2720, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2727] <... close resumed>) = 0 [pid 2726] <... futex resumed>) = 0 [pid 2725] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2724] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2722] <... futex resumed>) = 1 [pid 2719] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2717] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2727] write(1, "executing program\n", 18 [pid 2726] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2725] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2724] <... unlinkat resumed>) = 0 executing program [pid 2722] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2727] <... write resumed>) = 18 [pid 2726] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2725] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2724] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2727] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2726] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2725] <... futex resumed>) = 1 [pid 2724] <... futex resumed>) = 1 [pid 2719] <... futex resumed>) = 0 [pid 2717] <... futex resumed>) = 0 [pid 2727] <... futex resumed>) = 0 [pid 2726] <... futex resumed>) = 1 [pid 2725] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2724] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2722] <... futex resumed>) = 0 [pid 2719] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2717] exit_group(0 [pid 2727] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2726] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2725] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2724] <... futex resumed>) = ? [pid 2722] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2719] <... futex resumed>) = 0 [pid 2717] <... exit_group resumed>) = ? [pid 2727] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2726] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2725] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2724] +++ exited with 0 +++ [pid 2722] <... futex resumed>) = 0 [pid 2719] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2727] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2726] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2725] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2722] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2717] +++ exited with 0 +++ [pid 2727] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2726] <... mkdirat resumed>) = 0 [pid 2725] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2727] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2726] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2717, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2727] <... mmap resumed>) = 0x7f85c0c15000 [pid 2726] <... futex resumed>) = 1 [pid 2725] <... futex resumed>) = 1 [pid 2722] <... futex resumed>) = 0 [pid 2719] <... futex resumed>) = 0 [pid 2727] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2726] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2727] <... mprotect resumed>) = 0 [pid 2725] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2722] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2719] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2727] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2726] <... futex resumed>) = 0 [pid 2725] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2722] <... futex resumed>) = 1 [pid 2719] <... futex resumed>) = 0 [pid 2727] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2726] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2725] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2722] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2719] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2727] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2726] <... symlinkat resumed>) = 0 [pid 2725] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 2726] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2725] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2727] <... clone3 resumed> => {parent_tid=[2728]}, 88) = 2728 [pid 2726] <... futex resumed>) = 1 [pid 2722] <... futex resumed>) = 0 [pid 2725] <... futex resumed>) = 1 [pid 2727] rt_sigprocmask(SIG_SETMASK, [] [pid 2726] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2722] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2719] <... futex resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 2727] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2726] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2725] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2722] <... futex resumed>) = 0 [pid 2727] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2726] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2719] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 2728 attached [pid 2727] <... futex resumed>) = 0 [pid 2726] <... unlinkat resumed>) = 0 [pid 2722] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2719] <... exit_group resumed>) = ? [pid 2727] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2726] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2725] <... futex resumed>) = ? [pid 2722] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2726] <... futex resumed>) = 0 [pid 2726] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2725] +++ exited with 0 +++ [pid 2722] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2719] +++ exited with 0 +++ [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2726] <... futex resumed>) = 0 [pid 2722] <... futex resumed>) = 1 [pid 2726] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2722] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2728] set_robust_list(0x7f85c0c359a0, 24 [pid 2726] <... unlinkat resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2719, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2726] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2726] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 2729 attached [pid 2722] <... futex resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2729] set_robust_list(0x5555810c5760, 24 [pid 2722] exit_group(0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2729 [pid 2726] <... futex resumed>) = ? [pid 2722] <... exit_group resumed>) = ? [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 2726] +++ exited with 0 +++ [pid 2729] <... set_robust_list resumed>) = 0 [pid 2729] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2729] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2729] setpgid(0, 0) = 0 [pid 2722] +++ exited with 0 +++ [pid 2729] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2722, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 2729] <... openat resumed>) = 3 [pid 2729] write(3, "1000", 4 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2729] <... write resumed>) = 4 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2729] close(3) = 0 [pid 2729] write(1, "executing program\n", 18) = 18 executing program [pid 2729] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2730 [pid 2729] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 2729] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2729] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2729] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2729] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2729] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2728] <... set_robust_list resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2730 attached [pid 2730] set_robust_list(0x5555810c5760, 24) = 0 [pid 2730] rt_sigprocmask(SIG_SETMASK, [] [pid 2728] rt_sigprocmask(SIG_SETMASK, [] [pid 2729] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2730] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2729] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2728] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2730] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2728] mkdirat(AT_FDCWD, "./config", 0777ci2-android-5-15/strace-static-x86_64: Process 2731 attached [pid 2731] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2731] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2730] <... prctl resumed>) = 0 [pid 2729] <... clone3 resumed> => {parent_tid=[2731]}, 88) = 2731 [pid 2728] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2731] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2730] setpgid(0, 0 [pid 2729] rt_sigprocmask(SIG_SETMASK, [] [pid 2728] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2730] <... setpgid resumed>) = 0 [pid 2729] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2728] <... futex resumed>) = 1 [pid 2727] <... futex resumed>) = 0 [pid 2727] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2727] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2730] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2729] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2728] mount(NULL, "./config", "configfs", 0, NULL [pid 2731] <... futex resumed>) = 0 [pid 2729] <... futex resumed>) = 1 [pid 2729] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2728] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 305] <... restart_syscall resumed>) = 0 [pid 2728] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2731] mkdirat(AT_FDCWD, "./config", 0777 [pid 2728] <... futex resumed>) = 1 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2731] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2728] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2731] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2730] <... openat resumed>) = 3 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2727] <... futex resumed>) = 0 [pid 2727] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2727] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2728] <... futex resumed>) = 0 [pid 2728] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 2731] <... futex resumed>) = 1 [pid 2730] write(3, "1000", 4 [pid 2729] <... futex resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2732 [pid 2728] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 2731] mount(NULL, "./config", "configfs", 0, NULL [pid 2730] <... write resumed>) = 4 [pid 2729] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2727] <... futex resumed>) = 0 [pid 2729] <... futex resumed>) = 0 [pid 2729] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2727] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2731] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2730] close(3 [pid 2727] <... futex resumed>) = 0 [pid 2727] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2728] <... futex resumed>) = 1 [pid 2728] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2731] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2730] <... close resumed>) = 0 [pid 2728] <... mkdirat resumed>) = -1 EEXIST (File exists) ci2-android-5-15/strace-static-x86_64: Process 2732 attached [pid 2731] <... futex resumed>) = 1 [pid 2730] write(1, "executing program\n", 18 [pid 2729] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] executing program [pid 2731] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2730] <... write resumed>) = 18 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2728] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2727] <... futex resumed>) = 0 [pid 2727] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2727] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2728] <... futex resumed>) = 1 [pid 2730] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2733 [pid 2728] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2730] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 2733 attached [pid 2730] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2728] <... mkdirat resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2728] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2730] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2730] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2727] <... futex resumed>) = 0 [pid 2730] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2730] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2727] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2730] <... mmap resumed>) = 0x7f85c0c15000 [pid 2727] <... futex resumed>) = 0 [pid 2730] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2727] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2730] <... mprotect resumed>) = 0 [pid 2728] <... futex resumed>) = 1 [pid 2730] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2728] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2730] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2728] <... symlinkat resumed>) = 0 [pid 2730] <... clone3 resumed> => {parent_tid=[2734]}, 88) = 2734 [pid 2728] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2730] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2727] <... futex resumed>) = 0 [pid 2730] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2727] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2730] <... futex resumed>) = 0 [pid 2727] <... futex resumed>) = 0 [pid 2730] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2727] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2728] <... futex resumed>) = 1 [pid 2728] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0ci2-android-5-15/strace-static-x86_64: Process 2734 attached [pid 2733] set_robust_list(0x5555810c5760, 24 [pid 2732] set_robust_list(0x5555810c5760, 24 [pid 2729] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2728] <... unlinkat resumed>) = 0 [pid 2731] <... futex resumed>) = 0 [pid 2729] <... futex resumed>) = 1 [pid 2734] set_robust_list(0x7f85c0c359a0, 24 [pid 2733] <... set_robust_list resumed>) = 0 [pid 2732] <... set_robust_list resumed>) = 0 [pid 2731] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2728] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2731] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2729] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2731] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2729] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2731] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2734] <... set_robust_list resumed>) = 0 [pid 2729] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2734] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2734] mkdirat(AT_FDCWD, "./config", 0777 [pid 2731] <... futex resumed>) = 0 [pid 2729] <... futex resumed>) = 1 [pid 2728] <... futex resumed>) = 1 [pid 2727] <... futex resumed>) = 0 [pid 2731] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2727] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2733] rt_sigprocmask(SIG_SETMASK, [] [pid 2731] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2729] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2728] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2727] <... futex resumed>) = 0 [pid 2733] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2732] rt_sigprocmask(SIG_SETMASK, [] [pid 2731] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2727] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2732] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2731] <... futex resumed>) = 0 [pid 2729] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2728] <... unlinkat resumed>) = 0 [pid 2731] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2729] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2728] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2733] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2732] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2734] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2734] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2730] <... futex resumed>) = 0 [pid 2730] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2730] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2734] <... futex resumed>) = 1 [pid 2734] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 2734] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2730] <... futex resumed>) = 0 [pid 2730] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2730] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2734] <... futex resumed>) = 1 [pid 2734] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 2734] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2730] <... futex resumed>) = 0 [pid 2730] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2730] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2734] <... futex resumed>) = 1 [pid 2734] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 2734] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2730] <... futex resumed>) = 0 [pid 2730] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2730] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2734] <... futex resumed>) = 1 [pid 2734] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2729] <... futex resumed>) = 1 [pid 2731] <... futex resumed>) = 0 [pid 2733] <... prctl resumed>) = 0 [pid 2732] <... prctl resumed>) = 0 [pid 2731] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2729] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2728] <... futex resumed>) = 1 [pid 2727] <... futex resumed>) = 0 [pid 2733] setpgid(0, 0 [pid 2732] setpgid(0, 0 [pid 2731] <... mkdirat resumed>) = 0 [pid 2728] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2727] exit_group(0 [pid 2733] <... setpgid resumed>) = 0 [pid 2732] <... setpgid resumed>) = 0 [pid 2731] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2728] <... futex resumed>) = ? [pid 2727] <... exit_group resumed>) = ? [pid 2734] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2732] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2731] <... futex resumed>) = 1 [pid 2729] <... futex resumed>) = 0 [pid 2728] +++ exited with 0 +++ [pid 2732] <... openat resumed>) = 3 [pid 2731] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2727] +++ exited with 0 +++ [pid 2731] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2729] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2733] <... openat resumed>) = 3 [pid 2732] write(3, "1000", 4 [pid 2734] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2733] write(3, "1000", 4 [pid 2731] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2732] <... write resumed>) = 4 [pid 2729] <... futex resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2727, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2734] <... futex resumed>) = 1 [pid 2733] <... write resumed>) = 4 [pid 2732] close(3 [pid 2731] <... symlinkat resumed>) = 0 [pid 2730] <... futex resumed>) = 0 [pid 2729] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2734] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2733] close(3 [pid 2732] <... close resumed>) = 0 [pid 2731] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2730] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2729] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2734] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 2733] <... close resumed>) = 0 [pid 2732] write(1, "executing program\n", 18 [pid 2731] <... futex resumed>) = 0 executing program [pid 2730] <... futex resumed>) = 0 [pid 2729] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2734] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2733] write(1, "executing program\n", 18 [pid 2732] <... write resumed>) = 18 executing program [pid 2731] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2730] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2729] <... futex resumed>) = 0 [pid 2734] <... futex resumed>) = 0 [pid 2733] <... write resumed>) = 18 [pid 2732] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2731] <... unlinkat resumed>) = 0 [pid 2730] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2729] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... restart_syscall resumed>) = 0 [pid 2734] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2733] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2732] <... futex resumed>) = 0 [pid 2731] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2730] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2729] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2734] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2733] <... futex resumed>) = 0 [pid 2732] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2731] <... futex resumed>) = 0 [pid 2730] <... futex resumed>) = 0 [pid 2729] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2734] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2733] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2732] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2731] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2730] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2729] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2734] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2733] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2732] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2731] <... unlinkat resumed>) = 0 [pid 2729] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2734] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2733] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2732] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2731] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2729] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2734] <... futex resumed>) = 1 [pid 2733] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2732] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2731] <... futex resumed>) = 0 [pid 2730] <... futex resumed>) = 0 [pid 2729] exit_group(0 [pid 2734] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2733] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2732] <... mmap resumed>) = 0x7f85c0c15000 [pid 2730] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2729] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 2735 attached [pid 2734] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2733] <... mmap resumed>) = 0x7f85c0c15000 [pid 2732] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2730] <... futex resumed>) = 0 [pid 2734] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2730] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2735 [pid 2734] <... futex resumed>) = 0 [pid 2730] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2734] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2730] exit_group(0 [pid 2734] <... futex resumed>) = ? [pid 2730] <... exit_group resumed>) = ? [pid 2735] set_robust_list(0x5555810c5760, 24 [pid 2734] +++ exited with 0 +++ [pid 2733] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2732] <... mprotect resumed>) = 0 [pid 2731] +++ exited with 0 +++ [pid 2729] +++ exited with 0 +++ [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2735] <... set_robust_list resumed>) = 0 [pid 2733] <... mprotect resumed>) = 0 [pid 2732] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2730] +++ exited with 0 +++ [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2735] rt_sigprocmask(SIG_SETMASK, [] [pid 2733] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2732] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2729, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2730, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2735] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2733] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2732] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2735] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2733] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2735] <... prctl resumed>) = 0 [pid 2732] <... clone3 resumed> => {parent_tid=[2736]}, 88) = 2736 [pid 2735] setpgid(0, 0 [pid 2733] <... clone3 resumed> => {parent_tid=[2737]}, 88) = 2737 [pid 2732] rt_sigprocmask(SIG_SETMASK, [] [pid 2735] <... setpgid resumed>) = 0 [pid 2733] rt_sigprocmask(SIG_SETMASK, [] [pid 2732] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 2737 attached ci2-android-5-15/strace-static-x86_64: Process 2736 attached [pid 2735] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2733] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2732] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2735] <... openat resumed>) = 3 [pid 2733] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2732] <... futex resumed>) = 0 [pid 2735] write(3, "1000", 4 [pid 2733] <... futex resumed>) = 0 [pid 2732] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2735] <... write resumed>) = 4 [pid 2733] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2735] close(3) = 0 [pid 2735] write(1, "executing program\n", 18) = 18 executing program [pid 2735] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2735] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2735] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2735] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2735] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2735] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2735] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[2738]}, 88) = 2738 [pid 2737] set_robust_list(0x7f85c0c359a0, 24 [pid 2735] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2735] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2735] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2738 attached [pid 2738] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2738] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2738] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 2738] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2735] <... futex resumed>) = 0 [pid 2735] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2735] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2738] <... futex resumed>) = 1 [pid 2738] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 2738] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2735] <... futex resumed>) = 0 [pid 2735] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2735] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2738] <... futex resumed>) = 1 [pid 2738] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 2738] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2735] <... futex resumed>) = 0 [pid 2735] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2735] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2738] <... futex resumed>) = 1 [pid 2738] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 2738] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2735] <... futex resumed>) = 0 [pid 2735] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2735] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2737] <... set_robust_list resumed>) = 0 [pid 2736] set_robust_list(0x7f85c0c359a0, 24 [pid 2738] <... futex resumed>) = 1 [pid 2738] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 2737] rt_sigprocmask(SIG_SETMASK, [] [pid 2736] <... set_robust_list resumed>) = 0 [pid 2738] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2737] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2735] <... futex resumed>) = 0 [pid 2735] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2735] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2738] <... futex resumed>) = 1 [pid 2738] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 2737] mkdirat(AT_FDCWD, "./config", 0777 [pid 2736] rt_sigprocmask(SIG_SETMASK, [] [pid 2738] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2735] <... futex resumed>) = 0 [pid 2735] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2735] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2738] <... futex resumed>) = 1 [pid 2738] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 2737] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2738] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2735] <... futex resumed>) = 0 [pid 2737] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2736] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2735] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... restart_syscall resumed>) = 0 [pid 2737] <... futex resumed>) = 1 [pid 2736] mkdirat(AT_FDCWD, "./config", 0777 [pid 2735] <... futex resumed>) = 0 [pid 2733] <... futex resumed>) = 0 [pid 2738] <... futex resumed>) = 1 [pid 2737] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2736] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2735] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2733] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... restart_syscall resumed>) = 0 [pid 2737] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2736] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2733] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2737] mount(NULL, "./config", "configfs", 0, NULL [pid 2736] <... futex resumed>) = 1 [pid 2733] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2732] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2732] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2738] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2737] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2736] mount(NULL, "./config", "configfs", 0, NULL [pid 2732] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 2739 attached [pid 2732] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2739] set_robust_list(0x5555810c5760, 24 [pid 2738] <... unlinkat resumed>) = 0 [pid 2737] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2739 [pid 2739] <... set_robust_list resumed>) = 0 [pid 2736] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2740 [pid 2737] <... futex resumed>) = 1 [pid 2736] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2733] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 2739] rt_sigprocmask(SIG_SETMASK, [] [pid 2738] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2737] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2736] <... futex resumed>) = 1 [pid 2733] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2732] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2739] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2738] <... futex resumed>) = 1 [pid 2737] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2736] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2735] <... futex resumed>) = 0 [pid 2733] <... futex resumed>) = 0 [pid 2732] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2737] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2736] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2735] exit_group(0 [pid 2733] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2732] <... futex resumed>) = 0 [pid 2739] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2737] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2736] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2735] <... exit_group resumed>) = ? [pid 2732] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2739] <... prctl resumed>) = 0 [pid 2738] +++ exited with 0 +++ [pid 2737] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2740 attached [pid 2740] set_robust_list(0x5555810c5760, 24) = 0 [pid 2740] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2735] +++ exited with 0 +++ [pid 2740] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2737] <... futex resumed>) = 1 [pid 2733] <... futex resumed>) = 0 [pid 2737] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2736] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2733] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2735, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2739] setpgid(0, 0 [pid 2737] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2736] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2733] <... futex resumed>) = 0 [pid 2739] <... setpgid resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2740] <... prctl resumed>) = 0 [pid 2737] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2733] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2739] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2736] <... futex resumed>) = 1 [pid 2732] <... futex resumed>) = 0 [pid 2737] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2732] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2736] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2732] <... futex resumed>) = 0 [pid 2737] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2732] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2737] <... futex resumed>) = 1 [pid 2736] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2733] <... futex resumed>) = 0 [pid 2739] <... openat resumed>) = 3 [pid 2737] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2736] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2739] write(3, "1000", 4 [pid 2737] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2733] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2737] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2739] <... write resumed>) = 4 [pid 2736] <... futex resumed>) = 1 [pid 2733] <... futex resumed>) = 0 [pid 2732] <... futex resumed>) = 0 [pid 2737] <... mkdirat resumed>) = 0 [pid 2733] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2732] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2739] close(3 [pid 2737] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2736] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2733] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2732] <... futex resumed>) = 0 [pid 2739] <... close resumed>) = 0 [pid 2737] <... futex resumed>) = 0 [pid 2733] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2732] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2739] write(1, "executing program\n", 18 [pid 2737] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2736] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2733] <... futex resumed>) = 0 [pid 2740] setpgid(0, 0 [pid 2733] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2737] <... symlinkat resumed>) = 0 [pid 2736] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2739] <... write resumed>) = 18 executing program [pid 2737] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2740] <... setpgid resumed>) = 0 [pid 2737] <... futex resumed>) = 1 [pid 2733] <... futex resumed>) = 0 [pid 2739] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2737] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2736] <... futex resumed>) = 1 [pid 2732] <... futex resumed>) = 0 [pid 2739] <... futex resumed>) = 0 [pid 2737] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2733] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2732] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2736] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2739] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2737] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2733] <... futex resumed>) = 0 [pid 2736] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 2732] <... futex resumed>) = 0 [pid 2733] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2732] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2739] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2737] <... unlinkat resumed>) = 0 [pid 2736] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2732] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2739] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2737] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2736] <... futex resumed>) = 0 [pid 2732] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2739] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2737] <... futex resumed>) = 1 [pid 2733] <... futex resumed>) = 0 [pid 2732] <... futex resumed>) = 0 [pid 2736] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2739] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2737] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2733] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2732] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2739] <... mmap resumed>) = 0x7f85c0c15000 [pid 2737] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2736] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2733] <... futex resumed>) = 0 [pid 2739] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2737] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2736] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2733] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2740] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2739] <... mprotect resumed>) = 0 [pid 2737] <... unlinkat resumed>) = 0 [pid 2736] <... futex resumed>) = 1 [pid 2732] <... futex resumed>) = 0 [pid 2737] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2732] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2739] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2736] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2732] <... futex resumed>) = 0 [pid 2737] <... futex resumed>) = 1 [pid 2733] <... futex resumed>) = 0 [pid 2732] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2739] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2737] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2736] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2733] exit_group(0 [pid 2739] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2736] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2737] <... futex resumed>) = ? [pid 2733] <... exit_group resumed>) = ? [pid 2740] <... openat resumed>) = 3 [pid 2740] write(3, "1000", 4) = 4 [pid 2740] close(3) = 0 [pid 2740] write(1, "executing program\n", 18) = 18 [pid 2740] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2740] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2737] +++ exited with 0 +++ [pid 2733] +++ exited with 0 +++ [pid 2740] <... rt_sigaction resumed>, NULL, 8) = 0 executing program [pid 2739] <... clone3 resumed> => {parent_tid=[2741]}, 88) = 2741 [pid 2736] <... futex resumed>) = 1 [pid 2732] <... futex resumed>) = 0 [pid 2740] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2739] rt_sigprocmask(SIG_SETMASK, [] [pid 2736] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2732] exit_group(0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2733, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2740] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2739] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2736] <... futex resumed>) = ? [pid 2732] <... exit_group resumed>) = ? [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2740] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2739] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2740] <... mmap resumed>) = 0x7f85c0c15000 [pid 2740] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2740] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2740] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2736] +++ exited with 0 +++ [pid 2732] +++ exited with 0 +++ [pid 2740] <... clone3 resumed> => {parent_tid=[2742]}, 88) = 2742 [pid 2740] rt_sigprocmask(SIG_SETMASK, [] [pid 2739] <... futex resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2732, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2740] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2739] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2740] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2740] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 2742 attached ci2-android-5-15/strace-static-x86_64: Process 2741 attached [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2742] set_robust_list(0x7f85c0c359a0, 24 [pid 2741] set_robust_list(0x7f85c0c359a0, 24 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2744 [pid 311] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2742] <... set_robust_list resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2743 [pid 2741] <... set_robust_list resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2744 attached ci2-android-5-15/strace-static-x86_64: Process 2743 attached [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2744] set_robust_list(0x5555810c5760, 24 [pid 2743] set_robust_list(0x5555810c5760, 24 [pid 2742] rt_sigprocmask(SIG_SETMASK, [] [pid 2741] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 2745 attached [pid 2744] <... set_robust_list resumed>) = 0 [pid 2743] <... set_robust_list resumed>) = 0 [pid 2745] set_robust_list(0x5555810c5760, 24 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2745 [pid 2745] <... set_robust_list resumed>) = 0 [pid 2743] rt_sigprocmask(SIG_SETMASK, [] [pid 2742] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2741] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2744] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2744] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2743] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2742] mkdirat(AT_FDCWD, "./config", 0777 [pid 2741] mkdirat(AT_FDCWD, "./config", 0777 [pid 2744] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2743] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2742] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2741] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2744] <... prctl resumed>) = 0 [pid 2743] <... prctl resumed>) = 0 [pid 2742] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2741] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2744] setpgid(0, 0 [pid 2743] setpgid(0, 0 [pid 2742] <... futex resumed>) = 1 [pid 2741] <... futex resumed>) = 1 [pid 2739] <... futex resumed>) = 0 [pid 2744] <... setpgid resumed>) = 0 [pid 2743] <... setpgid resumed>) = 0 [pid 2742] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2741] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2739] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2744] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2743] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2741] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2739] <... futex resumed>) = 0 [pid 2744] <... openat resumed>) = 3 [pid 2743] <... openat resumed>) = 3 [pid 2741] mount(NULL, "./config", "configfs", 0, NULL [pid 2739] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2744] write(3, "1000", 4 [pid 2743] write(3, "1000", 4 [pid 2741] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2740] <... futex resumed>) = 0 [pid 2744] <... write resumed>) = 4 [pid 2743] <... write resumed>) = 4 [pid 2741] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2740] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2744] close(3 [pid 2743] close(3 [pid 2741] <... futex resumed>) = 1 [pid 2742] <... futex resumed>) = 0 [pid 2740] <... futex resumed>) = 1 [pid 2739] <... futex resumed>) = 0 [pid 2744] <... close resumed>) = 0 [pid 2743] <... close resumed>) = 0 [pid 2742] mount(NULL, "./config", "configfs", 0, NULL [pid 2741] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2740] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2739] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2744] write(1, "executing program\n", 18 [pid 2743] write(1, "executing program\n", 18 executing program executing program [pid 2741] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2739] <... futex resumed>) = 0 [pid 2744] <... write resumed>) = 18 [pid 2743] <... write resumed>) = 18 [pid 2742] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2741] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2739] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2744] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2743] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2742] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2741] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2744] <... futex resumed>) = 0 [pid 2743] <... futex resumed>) = 0 [pid 2742] <... futex resumed>) = 1 [pid 2741] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2740] <... futex resumed>) = 0 [pid 2744] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2743] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2742] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2741] <... futex resumed>) = 1 [pid 2740] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2739] <... futex resumed>) = 0 [pid 2744] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2743] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2742] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2741] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2740] <... futex resumed>) = 0 [pid 2739] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2744] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2743] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2742] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2741] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2740] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2739] <... futex resumed>) = 0 [pid 2744] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2743] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2742] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2741] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2739] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2744] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2743] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2742] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2741] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2744] <... mmap resumed>) = 0x7f85c0c15000 [pid 2743] <... mmap resumed>) = 0x7f85c0c15000 [pid 2742] <... futex resumed>) = 1 [pid 2741] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2740] <... futex resumed>) = 0 [pid 2744] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2743] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2741] <... futex resumed>) = 1 [pid 2739] <... futex resumed>) = 0 [pid 2744] <... mprotect resumed>) = 0 [pid 2743] <... mprotect resumed>) = 0 [pid 2742] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2741] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2740] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2739] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2744] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2743] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2742] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2741] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2740] <... futex resumed>) = 0 [pid 2739] <... futex resumed>) = 0 [pid 2744] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2743] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2742] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2741] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2740] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2739] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2744] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2743] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2742] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2741] <... mkdirat resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2747 attached ci2-android-5-15/strace-static-x86_64: Process 2746 attached [pid 2745] rt_sigprocmask(SIG_SETMASK, [] [pid 2741] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2747] set_robust_list(0x7f85c0c359a0, 24 [pid 2744] <... clone3 resumed> => {parent_tid=[2746]}, 88) = 2746 [pid 2743] <... clone3 resumed> => {parent_tid=[2747]}, 88) = 2747 [pid 2741] <... futex resumed>) = 1 [pid 2739] <... futex resumed>) = 0 [pid 2747] <... set_robust_list resumed>) = 0 [pid 2744] rt_sigprocmask(SIG_SETMASK, [] [pid 2743] rt_sigprocmask(SIG_SETMASK, [] [pid 2741] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2739] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2747] rt_sigprocmask(SIG_SETMASK, [] [pid 2744] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2743] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2741] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2739] <... futex resumed>) = 0 [pid 2747] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2744] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2743] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2741] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2739] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2747] mkdirat(AT_FDCWD, "./config", 0777 [pid 2744] <... futex resumed>) = 0 [pid 2743] <... futex resumed>) = 0 [pid 2741] <... symlinkat resumed>) = 0 [pid 2747] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2745] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2744] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2743] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2742] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2741] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2747] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2743] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2742] <... futex resumed>) = 1 [pid 2741] <... futex resumed>) = 1 [pid 2740] <... futex resumed>) = 0 [pid 2739] <... futex resumed>) = 0 [pid 2747] <... futex resumed>) = 0 [pid 2745] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2743] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2742] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2741] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2740] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2739] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2747] mount(NULL, "./config", "configfs", 0, NULL [pid 2745] <... prctl resumed>) = 0 [pid 2743] <... futex resumed>) = 0 [pid 2742] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2741] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2740] <... futex resumed>) = 0 [pid 2739] <... futex resumed>) = 0 [pid 2747] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2745] setpgid(0, 0 [pid 2743] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2742] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2741] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2739] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2747] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2745] <... setpgid resumed>) = 0 [pid 2742] <... futex resumed>) = 0 [pid 2741] <... unlinkat resumed>) = 0 [pid 2740] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2747] <... futex resumed>) = 1 [pid 2743] <... futex resumed>) = 0 [pid 2742] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2741] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2747] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2745] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2743] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2741] <... futex resumed>) = 1 [pid 2740] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2739] <... futex resumed>) = 0 [pid 2747] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2743] <... futex resumed>) = 0 [pid 2741] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2739] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2747] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2743] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2741] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2740] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2739] <... futex resumed>) = 0 [pid 2747] <... futex resumed>) = 0 [pid 2745] <... openat resumed>) = 3 [pid 2743] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2742] <... futex resumed>) = 0 [pid 2741] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2740] <... futex resumed>) = 1 [pid 2739] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2747] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2745] write(3, "1000", 4 [pid 2743] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2742] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2741] <... unlinkat resumed>) = 0 [pid 2740] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2747] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2743] <... futex resumed>) = 0 [pid 2741] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2747] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2745] <... write resumed>) = 4 [pid 2743] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2742] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2741] <... futex resumed>) = 1 [pid 2739] <... futex resumed>) = 0 [pid 2747] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2745] close(3 [pid 2742] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2741] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2739] exit_group(0 [pid 2747] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2745] <... close resumed>) = 0 [pid 2742] <... futex resumed>) = 1 [pid 2741] <... futex resumed>) = ? [pid 2740] <... futex resumed>) = 0 [pid 2739] <... exit_group resumed>) = ? [pid 2747] <... futex resumed>) = 1 [pid 2746] set_robust_list(0x7f85c0c359a0, 24 executing program [pid 2745] write(1, "executing program\n", 18 [pid 2743] <... futex resumed>) = 0 [pid 2742] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2741] +++ exited with 0 +++ [pid 2740] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2747] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2745] <... write resumed>) = 18 [pid 2743] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2742] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2740] <... futex resumed>) = 0 [pid 2739] +++ exited with 0 +++ [pid 2747] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2745] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2743] <... futex resumed>) = 0 [pid 2747] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2743] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2739, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2747] <... mkdirat resumed>) = 0 [pid 2745] <... futex resumed>) = 0 [pid 2742] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2740] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2747] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2745] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2742] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2747] <... futex resumed>) = 1 [pid 2745] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2743] <... futex resumed>) = 0 [pid 2742] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2747] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2745] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2743] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2742] <... futex resumed>) = 1 [pid 2740] <... futex resumed>) = 0 [pid 2747] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2745] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2743] <... futex resumed>) = 0 [pid 2742] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2740] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2747] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2745] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2743] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2742] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2747] <... symlinkat resumed>) = 0 [pid 2745] <... mmap resumed>) = 0x7f85c0c15000 [pid 2742] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2740] <... futex resumed>) = 0 [pid 2747] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2745] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2747] <... futex resumed>) = 1 [pid 2743] <... futex resumed>) = 0 [pid 2742] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 2740] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2747] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2745] <... mprotect resumed>) = 0 [pid 2743] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2742] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2740] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2747] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2745] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2743] <... futex resumed>) = 0 [pid 2742] <... futex resumed>) = 0 [pid 2747] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2745] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2743] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2742] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2740] exit_group(0 [pid 2747] <... unlinkat resumed>) = 0 [pid 2746] <... set_robust_list resumed>) = 0 [pid 2745] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2747] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2740] <... exit_group resumed>) = ? [pid 2747] <... futex resumed>) = 1 [pid 2743] <... futex resumed>) = 0 [pid 2742] <... futex resumed>) = ? [pid 2747] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2743] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2747] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2743] <... futex resumed>) = 0 [pid 2747] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2743] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2747] <... unlinkat resumed>) = 0 [pid 2747] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2743] <... futex resumed>) = 0 [pid 2747] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2743] exit_group(0 [pid 2742] +++ exited with 0 +++ [pid 2740] +++ exited with 0 +++ [pid 2747] <... futex resumed>) = ? [pid 2743] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 2748 attached [pid 2747] +++ exited with 0 +++ [pid 2746] rt_sigprocmask(SIG_SETMASK, [] [pid 2743] +++ exited with 0 +++ [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2740, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2746] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2745] <... clone3 resumed> => {parent_tid=[2748]}, 88) = 2748 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2745] rt_sigprocmask(SIG_SETMASK, [] [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2743, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2746] mkdirat(AT_FDCWD, "./config", 0777 [pid 2745] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2745] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2746] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2748] set_robust_list(0x7f85c0c359a0, 24 [pid 2746] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2745] <... futex resumed>) = 0 [pid 2748] <... set_robust_list resumed>) = 0 [pid 2745] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2746] <... futex resumed>) = 1 [pid 2744] <... futex resumed>) = 0 [pid 2748] rt_sigprocmask(SIG_SETMASK, [] [pid 2744] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2748] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2744] <... futex resumed>) = 0 [pid 2748] mkdirat(AT_FDCWD, "./config", 0777 [pid 2744] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2748] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2748] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2745] <... futex resumed>) = 0 [pid 2746] mount(NULL, "./config", "configfs", 0, NULL [pid 2748] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2746] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2745] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2746] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2745] <... futex resumed>) = 1 [pid 2746] <... futex resumed>) = 1 [pid 2745] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2744] <... futex resumed>) = 0 [pid 2746] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2744] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2746] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2744] <... futex resumed>) = 0 [pid 2746] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2744] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2746] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2746] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2744] <... futex resumed>) = 0 [pid 2746] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2744] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2746] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2744] <... futex resumed>) = 0 [pid 2746] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2744] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2746] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2746] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2744] <... futex resumed>) = 0 [pid 2746] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2744] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2746] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2746] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2744] <... futex resumed>) = 0 [pid 2748] <... futex resumed>) = 0 [pid 2746] <... mkdirat resumed>) = 0 [pid 2744] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2748] mount(NULL, "./config", "configfs", 0, NULL [pid 2746] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2744] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2746] <... futex resumed>) = 0 [pid 2744] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2748] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2746] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2744] <... futex resumed>) = 0 [pid 2748] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2746] <... symlinkat resumed>) = 0 [pid 2744] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2746] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2748] <... futex resumed>) = 1 [pid 2746] <... futex resumed>) = 0 [pid 2745] <... futex resumed>) = 0 [pid 2744] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2746] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2745] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2744] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2748] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2746] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2745] <... futex resumed>) = 0 [pid 2744] <... futex resumed>) = 0 [pid 2746] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2745] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2744] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2748] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2746] <... unlinkat resumed>) = 0 [pid 2746] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2744] <... futex resumed>) = 0 [pid 2748] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2746] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2748] <... futex resumed>) = 1 [pid 2746] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2745] <... futex resumed>) = 0 [pid 2744] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2746] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2745] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2744] <... futex resumed>) = 0 [pid 2748] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2746] <... unlinkat resumed>) = 0 [pid 2745] <... futex resumed>) = 0 [pid 2744] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... restart_syscall resumed>) = 0 [pid 2748] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2746] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2745] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2744] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] <... restart_syscall resumed>) = 0 [pid 2746] <... futex resumed>) = 0 [pid 2744] exit_group(0 [pid 2746] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2748] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2746] +++ exited with 0 +++ [pid 2744] <... exit_group resumed>) = ? [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] <... restart_syscall resumed>) = 0 [pid 2744] +++ exited with 0 +++ [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2748] <... futex resumed>) = 1 [pid 2745] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2744, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2748] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2745] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 2749 attached ci2-android-5-15/strace-static-x86_64: Process 2750 attached [pid 2748] <... mkdirat resumed>) = 0 [pid 2745] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2750] set_robust_list(0x5555810c5760, 24 [pid 2749] set_robust_list(0x5555810c5760, 24 [pid 2748] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2745] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2750 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2749 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2750] <... set_robust_list resumed>) = 0 [pid 2749] <... set_robust_list resumed>) = 0 [pid 2748] <... futex resumed>) = 0 [pid 2745] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 2748] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2745] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2749] rt_sigprocmask(SIG_SETMASK, [] [pid 2748] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2745] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2750] rt_sigprocmask(SIG_SETMASK, [] [pid 2748] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2745] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2751 attached [pid 2749] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2748] <... symlinkat resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2751 [pid 2748] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2750] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2749] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2750] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2749] <... prctl resumed>) = 0 [pid 2748] <... futex resumed>) = 1 [pid 2745] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 2749] setpgid(0, 0 [pid 2748] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2745] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2749] <... setpgid resumed>) = 0 [pid 2748] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2745] <... futex resumed>) = 0 [pid 2749] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2748] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2745] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2750] <... prctl resumed>) = 0 [pid 2749] <... openat resumed>) = 3 [pid 2750] setpgid(0, 0) = 0 [pid 2748] <... unlinkat resumed>) = 0 [pid 2749] write(3, "1000", 4 [pid 2748] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2749] <... write resumed>) = 4 [pid 2748] <... futex resumed>) = 1 [pid 2749] close(3 [pid 2745] <... futex resumed>) = 0 [pid 2749] <... close resumed>) = 0 [pid 2748] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2745] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2749] write(1, "executing program\n", 18 [pid 2748] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2745] <... futex resumed>) = 0 [pid 2749] <... write resumed>) = 18 [pid 2748] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2745] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2749] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 2750] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2749] <... futex resumed>) = 0 [pid 2748] <... unlinkat resumed>) = 0 [pid 2749] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2748] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2749] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2751] set_robust_list(0x5555810c5760, 24 [pid 2750] <... openat resumed>) = 3 [pid 2749] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2748] <... futex resumed>) = 1 [pid 2745] <... futex resumed>) = 0 [pid 2751] <... set_robust_list resumed>) = 0 [pid 2749] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2748] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2749] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2745] exit_group(0 [pid 2749] <... mmap resumed>) = 0x7f85c0c15000 [pid 2748] <... futex resumed>) = ? [pid 2749] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2745] <... exit_group resumed>) = ? [pid 2748] +++ exited with 0 +++ [pid 2750] write(3, "1000", 4) = 4 [pid 2750] close(3) = 0 [pid 2750] write(1, "executing program\n", 18) = 18 [pid 2750] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2750] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2750] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2749] <... mprotect resumed>) = 0 [pid 2745] +++ exited with 0 +++ [pid 2751] rt_sigprocmask(SIG_SETMASK, [] [pid 2750] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 executing program [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2745, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2751] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2750] <... mmap resumed>) = 0x7f85c0c15000 [pid 2749] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2750] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2749] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2751] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2750] <... mprotect resumed>) = 0 [pid 2749] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2751] <... prctl resumed>) = 0 [pid 2750] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2750] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[2752]}, 88) = 2752 [pid 2750] rt_sigprocmask(SIG_SETMASK, [] [pid 2751] setpgid(0, 0 [pid 2750] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2750] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2751] <... setpgid resumed>) = 0 [pid 2750] <... futex resumed>) = 0 [pid 2749] <... clone3 resumed> => {parent_tid=[2753]}, 88) = 2753 ci2-android-5-15/strace-static-x86_64: Process 2753 attached [pid 2751] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2750] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2749] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... restart_syscall resumed>) = 0 [pid 2749] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2751] <... openat resumed>) = 3 [pid 2749] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 ci2-android-5-15/strace-static-x86_64: Process 2752 attached [pid 2749] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2751] write(3, "1000", 4 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2751] <... write resumed>) = 4 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2752] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2752] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2751] close(3 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2754 [pid 2751] <... close resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 2751] write(1, "executing program\n", 18 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 2752] mkdirat(AT_FDCWD, "./config", 0777ci2-android-5-15/strace-static-x86_64: Process 2754 attached [pid 2753] set_robust_list(0x7f85c0c359a0, 24 [pid 2751] <... write resumed>) = 18 [pid 306] <... restart_syscall resumed>) = 0 [pid 2751] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2754] set_robust_list(0x5555810c5760, 24 [pid 2753] <... set_robust_list resumed>) = 0 [pid 2752] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2751] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2751] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1]ci2-android-5-15/strace-static-x86_64: Process 2755 attached , NULL, 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2755 [pid 2751] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2751] <... mmap resumed>) = 0x7f85c0c15000 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2751] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2751] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2751] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2755] set_robust_list(0x5555810c5760, 24 [pid 2754] <... set_robust_list resumed>) = 0 [pid 2751] <... clone3 resumed> => {parent_tid=[2756]}, 88) = 2756 [pid 2751] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2751] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2751] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2755] <... set_robust_list resumed>) = 0 [pid 2752] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2750] <... futex resumed>) = 0 [pid 2750] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2750] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2752] <... futex resumed>) = 1 [pid 2752] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 2752] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2750] <... futex resumed>) = 0 [pid 2750] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2750] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2752] <... futex resumed>) = 1 [pid 2752] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 2752] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2750] <... futex resumed>) = 0 [pid 2750] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2750] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2752] <... futex resumed>) = 1 [pid 2752] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 2752] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2750] <... futex resumed>) = 0 [pid 2750] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2750] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2752] <... futex resumed>) = 1 [pid 2752] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 2752] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2750] <... futex resumed>) = 0 [pid 2755] rt_sigprocmask(SIG_SETMASK, [] [pid 2750] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2755] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2754] rt_sigprocmask(SIG_SETMASK, [] [pid 2750] <... futex resumed>) = 0 [pid 2750] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2752] <... futex resumed>) = 1 [pid 2752] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 2754] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2752] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2755] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2754] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2750] <... futex resumed>) = 0 [pid 2755] <... prctl resumed>) = 0 [pid 2750] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2752] <... futex resumed>) = 1 [pid 2750] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2752] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 2752] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2750] <... futex resumed>) = 0 [pid 2752] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2750] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2752] <... unlinkat resumed>) = 0 [pid 2750] <... futex resumed>) = 0 [pid 2752] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2750] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2752] <... futex resumed>) = 0 [pid 2750] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2752] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2750] exit_group(0 [pid 2752] <... futex resumed>) = ? [pid 2750] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 2756 attached [pid 2755] setpgid(0, 0 [pid 2754] <... prctl resumed>) = 0 [pid 2753] rt_sigprocmask(SIG_SETMASK, [] [pid 2755] <... setpgid resumed>) = 0 [pid 2754] setpgid(0, 0 [pid 2755] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2754] <... setpgid resumed>) = 0 [pid 2752] +++ exited with 0 +++ [pid 2750] +++ exited with 0 +++ [pid 2756] set_robust_list(0x7f85c0c359a0, 24 [pid 2753] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2756] <... set_robust_list resumed>) = 0 [pid 2754] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2755] <... openat resumed>) = 3 [pid 2753] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2750, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2753] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2753] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2749] <... futex resumed>) = 0 [pid 2754] <... openat resumed>) = 3 [pid 2749] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2755] write(3, "1000", 4 [pid 2749] <... futex resumed>) = 0 [pid 2749] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2753] <... futex resumed>) = 1 [pid 2753] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 2756] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2756] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 2753] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2756] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2753] <... futex resumed>) = 1 [pid 2749] <... futex resumed>) = 0 [pid 2756] <... futex resumed>) = 1 [pid 2753] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2751] <... futex resumed>) = 0 [pid 2749] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2756] mount(NULL, "./config", "configfs", 0, NULL [pid 2753] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2751] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2749] <... futex resumed>) = 0 [pid 2756] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2755] <... write resumed>) = 4 [pid 2754] write(3, "1000", 4 [pid 2753] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2751] <... futex resumed>) = 0 [pid 2749] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2756] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2755] close(3 [pid 2754] <... write resumed>) = 4 [pid 2753] <... futex resumed>) = 0 [pid 2751] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2749] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2756] <... futex resumed>) = 0 [pid 2755] <... close resumed>) = 0 [pid 2754] close(3 [pid 2753] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2751] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2749] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2756] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2755] write(1, "executing program\n", 18 [pid 2754] <... close resumed>) = 0 [pid 2753] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2751] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2749] <... futex resumed>) = 0 executing program [pid 2756] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2755] <... write resumed>) = 18 [pid 2754] write(1, "executing program\n", 18 [pid 2753] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2751] <... futex resumed>) = 0 executing program [pid 2749] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2756] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2755] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2754] <... write resumed>) = 18 [pid 2753] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2751] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... restart_syscall resumed>) = 0 [pid 2756] <... futex resumed>) = 0 [pid 2755] <... futex resumed>) = 0 [pid 2754] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2753] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2751] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2756] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2755] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2754] <... futex resumed>) = 0 [pid 2753] <... futex resumed>) = 1 [pid 2751] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2749] <... futex resumed>) = 0 [pid 2756] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2755] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2754] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2753] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2751] <... futex resumed>) = 0 [pid 2749] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2756] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2755] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2754] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2753] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2751] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2749] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2756] <... futex resumed>) = 0 [pid 2755] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2754] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2753] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2751] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2749] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2756] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2755] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2754] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2753] <... mkdirat resumed>) = 0 [pid 2751] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2755] <... mmap resumed>) = 0x7f85c0c15000 [pid 2754] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2755] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2754] <... mmap resumed>) = 0x7f85c0c15000 [pid 2756] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2755] <... mprotect resumed>) = 0 [pid 2754] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2753] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2751] <... futex resumed>) = 0 [pid 2756] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2755] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2754] <... mprotect resumed>) = 0 [pid 2753] <... futex resumed>) = 1 [pid 2751] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2749] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2757 [pid 2756] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2755] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2754] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2753] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2749] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2756] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2755] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2754] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2753] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2749] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 2758 attached ci2-android-5-15/strace-static-x86_64: Process 2757 attached [pid 2756] <... futex resumed>) = 1 [pid 2754] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2751] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2759 attached [pid 2758] set_robust_list(0x7f85c0c359a0, 24 [pid 2757] set_robust_list(0x5555810c5760, 24 [pid 2756] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2755] <... clone3 resumed> => {parent_tid=[2758]}, 88) = 2758 [pid 2753] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2751] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2749] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2755] rt_sigprocmask(SIG_SETMASK, [] [pid 2754] <... clone3 resumed> => {parent_tid=[2759]}, 88) = 2759 [pid 2755] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2754] rt_sigprocmask(SIG_SETMASK, [] [pid 2755] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2754] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2756] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2755] <... futex resumed>) = 0 [pid 2754] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2753] <... symlinkat resumed>) = 0 [pid 2751] <... futex resumed>) = 0 [pid 2755] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2754] <... futex resumed>) = 0 [pid 2754] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2759] set_robust_list(0x7f85c0c359a0, 24 [pid 2756] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2753] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2751] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2757] <... set_robust_list resumed>) = 0 [pid 2756] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 2753] <... futex resumed>) = 1 [pid 2749] <... futex resumed>) = 0 [pid 2756] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2749] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2753] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2749] <... futex resumed>) = 0 [pid 2757] rt_sigprocmask(SIG_SETMASK, [] [pid 2756] <... futex resumed>) = 1 [pid 2751] <... futex resumed>) = 0 [pid 2757] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2756] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2753] <... unlinkat resumed>) = 0 [pid 2751] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2749] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2756] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2753] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2751] <... futex resumed>) = 0 [pid 2757] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2756] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2753] <... futex resumed>) = 0 [pid 2751] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2749] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2756] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2749] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2757] <... prctl resumed>) = 0 [pid 2756] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2753] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2749] <... futex resumed>) = 0 [pid 2759] <... set_robust_list resumed>) = 0 [pid 2758] <... set_robust_list resumed>) = 0 [pid 2757] setpgid(0, 0 [pid 2756] <... futex resumed>) = 1 [pid 2751] <... futex resumed>) = 0 [pid 2759] rt_sigprocmask(SIG_SETMASK, [] [pid 2758] rt_sigprocmask(SIG_SETMASK, [] [pid 2757] <... setpgid resumed>) = 0 [pid 2756] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2753] <... unlinkat resumed>) = 0 [pid 2751] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2749] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2759] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2758] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2757] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2756] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2753] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2751] <... futex resumed>) = 0 [pid 2749] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2759] mkdirat(AT_FDCWD, "./config", 0777 [pid 2758] mkdirat(AT_FDCWD, "./config", 0777 [pid 2757] <... openat resumed>) = 3 [pid 2756] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2753] <... futex resumed>) = 0 [pid 2751] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2749] exit_group(0 [pid 2759] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2758] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2757] write(3, "1000", 4 [pid 2756] <... futex resumed>) = 0 [pid 2751] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2749] <... exit_group resumed>) = ? [pid 2759] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2758] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2757] <... write resumed>) = 4 [pid 2756] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2753] +++ exited with 0 +++ [pid 2751] exit_group(0 [pid 2759] <... futex resumed>) = 1 [pid 2754] <... futex resumed>) = 0 [pid 2759] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2758] <... futex resumed>) = 1 [pid 2757] close(3 [pid 2756] <... futex resumed>) = ? [pid 2755] <... futex resumed>) = 0 [pid 2754] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2751] <... exit_group resumed>) = ? [pid 2749] +++ exited with 0 +++ [pid 2759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2758] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2757] <... close resumed>) = 0 [pid 2756] +++ exited with 0 +++ [pid 2755] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2754] <... futex resumed>) = 0 [pid 2759] mount(NULL, "./config", "configfs", 0, NULL [pid 2758] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2757] write(1, "executing program\n", 18 [pid 2755] <... futex resumed>) = 0 executing program [pid 2754] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2751] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2749, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2758] mount(NULL, "./config", "configfs", 0, NULL [pid 2757] <... write resumed>) = 18 [pid 2755] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2751, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2758] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2757] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2758] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2757] <... futex resumed>) = 0 [pid 2758] <... futex resumed>) = 1 [pid 2757] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2758] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2757] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2755] <... futex resumed>) = 0 [pid 2757] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2755] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2759] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2758] <... futex resumed>) = 0 [pid 2757] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2755] <... futex resumed>) = 1 [pid 2759] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2758] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2757] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2755] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 2759] <... futex resumed>) = 1 [pid 2758] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2757] <... mmap resumed>) = 0x7f85c0c15000 [pid 2754] <... futex resumed>) = 0 [pid 2759] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2758] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2757] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2754] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2759] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2758] <... futex resumed>) = 1 [pid 2757] <... mprotect resumed>) = 0 [pid 2755] <... futex resumed>) = 0 [pid 2754] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2759] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2758] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2757] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2755] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2754] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2759] <... futex resumed>) = 0 [pid 2758] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2757] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2755] <... futex resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2754] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2759] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2758] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2757] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2755] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2754] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2762 attached ci2-android-5-15/strace-static-x86_64: Process 2761 attached ci2-android-5-15/strace-static-x86_64: Process 2760 attached [pid 2759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2758] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2754] <... futex resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2760 [pid 2762] set_robust_list(0x7f85c0c359a0, 24 [pid 2761] set_robust_list(0x5555810c5760, 24 [pid 2760] set_robust_list(0x5555810c5760, 24 [pid 2759] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2758] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2757] <... clone3 resumed> => {parent_tid=[2762]}, 88) = 2762 [pid 2754] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2762] <... set_robust_list resumed>) = 0 [pid 2761] <... set_robust_list resumed>) = 0 [pid 2760] <... set_robust_list resumed>) = 0 [pid 2759] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2758] <... futex resumed>) = 1 [pid 2757] rt_sigprocmask(SIG_SETMASK, [] [pid 2755] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2761 [pid 2762] rt_sigprocmask(SIG_SETMASK, [] [pid 2761] rt_sigprocmask(SIG_SETMASK, [] [pid 2759] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2758] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2757] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2755] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 2762] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2761] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2760] rt_sigprocmask(SIG_SETMASK, [] [pid 2759] <... futex resumed>) = 1 [pid 2758] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2757] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2755] <... futex resumed>) = 0 [pid 2754] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2762] mkdirat(AT_FDCWD, "./config", 0777 [pid 2761] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2760] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2759] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2758] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2757] <... futex resumed>) = 0 [pid 2755] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2754] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2762] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2761] <... prctl resumed>) = 0 [pid 2759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2758] <... mkdirat resumed>) = 0 [pid 2757] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2754] <... futex resumed>) = 0 [pid 2762] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2761] setpgid(0, 0 [pid 2760] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2759] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2758] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2757] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2754] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2762] <... futex resumed>) = 0 [pid 2761] <... setpgid resumed>) = 0 [pid 2759] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2757] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2759] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2757] <... futex resumed>) = 0 [pid 2759] <... futex resumed>) = 1 [pid 2757] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2754] <... futex resumed>) = 0 [pid 2762] mount(NULL, "./config", "configfs", 0, NULL [pid 2761] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2760] <... prctl resumed>) = 0 [pid 2759] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2758] <... futex resumed>) = 1 [pid 2755] <... futex resumed>) = 0 [pid 2754] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2762] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2761] <... openat resumed>) = 3 [pid 2760] setpgid(0, 0 [pid 2759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2758] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2755] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2754] <... futex resumed>) = 0 [pid 2762] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2761] write(3, "1000", 4 [pid 2760] <... setpgid resumed>) = 0 [pid 2759] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2758] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2755] <... futex resumed>) = 0 [pid 2754] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2762] <... futex resumed>) = 1 [pid 2761] <... write resumed>) = 4 [pid 2760] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2759] <... symlinkat resumed>) = 0 [pid 2758] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2757] <... futex resumed>) = 0 [pid 2755] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2762] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2761] close(3 [pid 2760] <... openat resumed>) = 3 [pid 2759] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2758] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 2757] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2762] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2761] <... close resumed>) = 0 [pid 2760] write(3, "1000", 4 [pid 2759] <... futex resumed>) = 1 [pid 2758] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2757] <... futex resumed>) = 0 [pid 2754] <... futex resumed>) = 0 [pid 2762] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2761] write(1, "executing program\n", 18 [pid 2760] <... write resumed>) = 4 [pid 2759] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2758] <... futex resumed>) = 1 executing program [pid 2757] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2755] <... futex resumed>) = 0 [pid 2754] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2762] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2761] <... write resumed>) = 18 [pid 2760] close(3 [pid 2759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2758] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2755] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2754] <... futex resumed>) = 0 [pid 2762] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2761] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2760] <... close resumed>) = 0 [pid 2759] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2758] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2755] <... futex resumed>) = 0 [pid 2754] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2762] <... futex resumed>) = 1 [pid 2761] <... futex resumed>) = 0 [pid 2760] write(1, "executing program\n", 18 [pid 2759] <... unlinkat resumed>) = 0 [pid 2758] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2757] <... futex resumed>) = 0 [pid 2755] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} executing program [pid 2762] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2761] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2760] <... write resumed>) = 18 [pid 2759] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2758] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2757] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2762] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2761] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2760] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2759] <... futex resumed>) = 1 [pid 2758] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2757] <... futex resumed>) = 0 [pid 2754] <... futex resumed>) = 0 [pid 2762] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2761] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2760] <... futex resumed>) = 0 [pid 2759] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2758] <... futex resumed>) = 1 [pid 2757] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2755] <... futex resumed>) = 0 [pid 2754] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2762] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2761] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2760] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2758] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2755] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2754] <... futex resumed>) = 0 [pid 2762] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2761] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2760] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2759] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2758] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2755] <... futex resumed>) = 0 [pid 2754] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2762] <... futex resumed>) = 1 [pid 2761] <... mmap resumed>) = 0x7f85c0c15000 [pid 2760] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2759] <... unlinkat resumed>) = 0 [pid 2758] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2757] <... futex resumed>) = 0 [pid 2755] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2762] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2761] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2760] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2759] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2758] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2757] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2762] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2761] <... mprotect resumed>) = 0 [pid 2760] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2759] <... futex resumed>) = 1 [pid 2758] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2757] <... futex resumed>) = 0 [pid 2754] <... futex resumed>) = 0 [pid 2762] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2761] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2760] <... mmap resumed>) = 0x7f85c0c15000 [pid 2759] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2758] <... futex resumed>) = 1 [pid 2757] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2755] <... futex resumed>) = 0 [pid 2754] exit_group(0 [pid 2762] <... mkdirat resumed>) = 0 [pid 2761] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2760] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2759] <... futex resumed>) = ? [pid 2758] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2755] exit_group(0 [pid 2754] <... exit_group resumed>) = ? [pid 2762] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2761] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2760] <... mprotect resumed>) = 0 [pid 2759] +++ exited with 0 +++ [pid 2758] <... futex resumed>) = ? [pid 2755] <... exit_group resumed>) = ? [pid 2754] +++ exited with 0 +++ [pid 2762] <... futex resumed>) = 1 [pid 2757] <... futex resumed>) = 0 [pid 2757] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2757] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2763 attached [pid 2763] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2763] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2763] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2758] +++ exited with 0 +++ [pid 2755] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2755, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2762] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2761] <... clone3 resumed> => {parent_tid=[2763]}, 88) = 2763 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2754, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2762] <... symlinkat resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2762] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2761] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2762] <... futex resumed>) = 1 [pid 2761] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2760] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2757] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2762] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2761] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2760] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2757] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2762] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2761] <... futex resumed>) = 1 [pid 2760] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2757] <... futex resumed>) = 0 [pid 2757] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2763] <... futex resumed>) = 0 [pid 2763] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 2762] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2761] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2764 [pid 2763] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2762] <... unlinkat resumed>) = 0 [pid 2761] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2762] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2761] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2760] <... clone3 resumed> => {parent_tid=[2765]}, 88) = 2765 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2762] <... futex resumed>) = 1 [pid 2761] <... futex resumed>) = 0 [pid 2760] rt_sigprocmask(SIG_SETMASK, [] [pid 2757] <... futex resumed>) = 0 [pid 2762] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2761] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2760] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2757] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2762] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2760] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2757] <... futex resumed>) = 0 [pid 2762] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2760] <... futex resumed>) = 0 [pid 2757] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2765 attached [pid 2763] mount(NULL, "./config", "configfs", 0, NULL [pid 2762] <... unlinkat resumed>) = 0 [pid 2760] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2762] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2763] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2762] <... futex resumed>) = 1 [pid 2757] <... futex resumed>) = 0 [pid 2765] set_robust_list(0x7f85c0c359a0, 24 [pid 2763] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2762] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2757] exit_group(0 [pid 2763] <... futex resumed>) = 1 [pid 2762] <... futex resumed>) = ? [pid 2761] <... futex resumed>) = 0 [pid 2757] <... exit_group resumed>) = ? [pid 2765] <... set_robust_list resumed>) = 0 [pid 2763] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2762] +++ exited with 0 +++ [pid 2761] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2757] +++ exited with 0 +++ [pid 2761] <... futex resumed>) = 0 [pid 2761] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2757, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2763] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2763] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2761] <... futex resumed>) = 0 [pid 2763] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2761] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2763] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2761] <... futex resumed>) = 0 [pid 2763] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2761] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2763] <... futex resumed>) = 0 [pid 2761] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2763] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2765] rt_sigprocmask(SIG_SETMASK, [] [pid 2761] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2765] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2763] <... mkdirat resumed>) = 0 [pid 2761] <... futex resumed>) = 0 [pid 2763] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2761] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2765] mkdirat(AT_FDCWD, "./config", 0777 [pid 2761] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2763] <... futex resumed>) = 0 [pid 2761] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2765] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2761] <... futex resumed>) = 0 [pid 2765] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2763] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2761] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2764 attached [pid 2765] <... futex resumed>) = 1 [pid 2763] <... symlinkat resumed>) = 0 [pid 2760] <... futex resumed>) = 0 [pid 2765] mount(NULL, "./config", "configfs", 0, NULL [pid 2760] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2764] set_robust_list(0x5555810c5760, 24 [pid 2763] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2765] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2760] <... futex resumed>) = 0 [pid 2764] <... set_robust_list resumed>) = 0 [pid 2765] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2763] <... futex resumed>) = 1 [pid 2761] <... futex resumed>) = 0 [pid 2760] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2765] <... futex resumed>) = 0 [pid 2761] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2760] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2761] <... futex resumed>) = 0 [pid 2765] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2760] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2761] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2765] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2760] <... futex resumed>) = 0 [pid 2765] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2764] rt_sigprocmask(SIG_SETMASK, [] [pid 2763] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2760] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... restart_syscall resumed>) = 0 [pid 2765] <... futex resumed>) = 0 [pid 2764] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2763] <... unlinkat resumed>) = 0 [pid 2760] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2765] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2764] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2763] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2760] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2765] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2764] <... prctl resumed>) = 0 [pid 2763] <... futex resumed>) = 1 [pid 2761] <... futex resumed>) = 0 [pid 2760] <... futex resumed>) = 0 [pid 2765] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2764] setpgid(0, 0 [pid 2763] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2761] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2760] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2765] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2764] <... setpgid resumed>) = 0 [pid 2763] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2761] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2765] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2764] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2763] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2761] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2765] <... futex resumed>) = 1 [pid 2764] <... openat resumed>) = 3 [pid 2763] <... unlinkat resumed>) = 0 [pid 2760] <... futex resumed>) = 0 [pid 2764] write(3, "1000", 4 [pid 2763] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2764] <... write resumed>) = 4 [pid 2763] <... futex resumed>) = 1 [pid 2764] close(3 [pid 2763] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2761] <... futex resumed>) = 0 [pid 2760] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2765] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2764] <... close resumed>) = 0 [pid 2761] exit_group(0 [pid 2760] <... futex resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2766 [pid 2764] write(1, "executing program\n", 18 [pid 2763] <... futex resumed>) = ? executing program [pid 2761] <... exit_group resumed>) = ? [pid 2760] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2765] <... mkdirat resumed>) = 0 [pid 2764] <... write resumed>) = 18 [pid 2763] +++ exited with 0 +++ [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 2764] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2764] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2764] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2761] +++ exited with 0 +++ [pid 2764] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2765] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2764] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2761, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 2765] <... futex resumed>) = 1 [pid 2764] <... mmap resumed>) = 0x7f85c0c15000 [pid 2760] <... futex resumed>) = 0 [pid 2765] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2764] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2760] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 2766 attached [pid 2765] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2764] <... mprotect resumed>) = 0 [pid 2760] <... futex resumed>) = 0 [pid 2765] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2764] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2760] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2765] <... symlinkat resumed>) = 0 [pid 2764] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 2765] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2764] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2765] <... futex resumed>) = 1 [pid 2760] <... futex resumed>) = 0 [pid 2764] <... clone3 resumed> => {parent_tid=[2767]}, 88) = 2767 [pid 2764] rt_sigprocmask(SIG_SETMASK, [] [pid 2760] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2765] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2764] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2760] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2766] set_robust_list(0x5555810c5760, 24 [pid 2765] <... unlinkat resumed>) = 0 [pid 2764] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2760] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2766] <... set_robust_list resumed>) = 0 [pid 2765] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2764] <... futex resumed>) = 0 [pid 2760] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2766] rt_sigprocmask(SIG_SETMASK, [] [pid 2765] <... futex resumed>) = 0 [pid 2764] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2760] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2766] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2765] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2760] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2768 [pid 2766] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2766] setpgid(0, 0) = 0 [pid 2760] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2769 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2766] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 2765] <... unlinkat resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2765] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2760] <... futex resumed>) = 0 [pid 2765] <... futex resumed>) = 1 [pid 2760] exit_group(0 [pid 2765] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2760] <... exit_group resumed>) = ? [pid 2765] <... futex resumed>) = ? [pid 2766] <... openat resumed>) = 3 [pid 2766] write(3, "1000", 4) = 4 [pid 2766] close(3) = 0 [pid 2766] write(1, "executing program\n", 18) = 18 [pid 2766] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2765] +++ exited with 0 +++ [pid 2760] +++ exited with 0 +++ [pid 2766] <... futex resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2760, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2766] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2766] <... rt_sigaction resumed>, NULL, 8) = 0 executing program [pid 2766] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2766] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 ci2-android-5-15/strace-static-x86_64: Process 2769 attached ci2-android-5-15/strace-static-x86_64: Process 2767 attached [pid 2766] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITEci2-android-5-15/strace-static-x86_64: Process 2768 attached ) = 0 [pid 2769] set_robust_list(0x5555810c5760, 24 [pid 2768] set_robust_list(0x5555810c5760, 24 [pid 2766] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2769] <... set_robust_list resumed>) = 0 [pid 2767] set_robust_list(0x7f85c0c359a0, 24 [pid 2768] <... set_robust_list resumed>) = 0 [pid 2766] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2768] rt_sigprocmask(SIG_SETMASK, [] [pid 2766] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2769] rt_sigprocmask(SIG_SETMASK, [] [pid 2767] <... set_robust_list resumed>) = 0 [pid 2766] <... clone3 resumed> => {parent_tid=[2770]}, 88) = 2770 [pid 2769] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2768] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2767] rt_sigprocmask(SIG_SETMASK, [] [pid 2766] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2766] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2769] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2766] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2768] prctl(PR_SET_PDEATHSIG, SIGKILLci2-android-5-15/strace-static-x86_64: Process 2770 attached [pid 2770] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2770] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2769] <... prctl resumed>) = 0 [pid 2768] <... prctl resumed>) = 0 [pid 2767] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2770] mkdirat(AT_FDCWD, "./config", 0777 [pid 2769] setpgid(0, 0 [pid 2768] setpgid(0, 0 [pid 2770] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2770] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2766] <... futex resumed>) = 0 [pid 2766] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2766] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2769] <... setpgid resumed>) = 0 [pid 2768] <... setpgid resumed>) = 0 [pid 2767] mkdirat(AT_FDCWD, "./config", 0777 [pid 2770] <... futex resumed>) = 1 [pid 2770] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 2770] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2769] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2768] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2766] <... futex resumed>) = 0 [pid 2769] <... openat resumed>) = 3 [pid 2766] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2766] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2769] write(3, "1000", 4 [pid 2768] <... openat resumed>) = 3 [pid 2767] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2770] <... futex resumed>) = 1 [pid 2770] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 2770] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2766] <... futex resumed>) = 0 [pid 2766] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2766] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2770] <... futex resumed>) = 1 [pid 2770] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 2770] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2766] <... futex resumed>) = 0 [pid 2766] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2769] <... write resumed>) = 4 [pid 2768] write(3, "1000", 4 [pid 2767] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2766] <... futex resumed>) = 0 [pid 2766] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2770] <... futex resumed>) = 1 [pid 2770] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2769] close(3 [pid 2768] <... write resumed>) = 4 [pid 2767] <... futex resumed>) = 1 [pid 2764] <... futex resumed>) = 0 [pid 2769] <... close resumed>) = 0 [pid 2768] close(3 [pid 2764] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2769] write(1, "executing program\n", 18 [pid 2768] <... close resumed>) = 0 executing program [pid 2767] mount(NULL, "./config", "configfs", 0, NULL [pid 2764] <... futex resumed>) = 0 [pid 2769] <... write resumed>) = 18 [pid 2768] write(1, "executing program\n", 18 [pid 2767] <... mount resumed>) = -1 EBUSY (Device or resource busy) executing program [pid 2764] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... restart_syscall resumed>) = 0 [pid 2769] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2768] <... write resumed>) = 18 [pid 2767] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2764] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2769] <... futex resumed>) = 0 [pid 2768] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2767] <... futex resumed>) = 0 [pid 2764] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2769] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2768] <... futex resumed>) = 0 [pid 2767] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2764] <... futex resumed>) = 0 [pid 2769] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2768] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2767] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2764] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2769] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2768] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2767] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2764] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2769] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2768] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2767] <... futex resumed>) = 0 [pid 2764] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2769] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2768] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2767] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2764] <... futex resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2769] <... mmap resumed>) = 0x7f85c0c15000 [pid 2768] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2767] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2764] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2770] <... mkdirat resumed>) = 0 [pid 2769] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2771 [pid 2768] <... mmap resumed>) = 0x7f85c0c15000 [pid 2767] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2769] <... mprotect resumed>) = 0 [pid 2768] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 2764] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2769] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2764] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2769] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2768] <... mprotect resumed>) = 0 [pid 2767] <... futex resumed>) = 1 [pid 2764] <... futex resumed>) = 0 [pid 2769] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2764] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2768] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2767] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2768] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2769] <... clone3 resumed> => {parent_tid=[2772]}, 88) = 2772 [pid 2768] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2767] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2769] rt_sigprocmask(SIG_SETMASK, [] [pid 2770] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2769] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2767] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2769] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2764] <... futex resumed>) = 0 [pid 2767] <... futex resumed>) = 1 [pid 2769] <... futex resumed>) = 0 [pid 2767] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2764] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2768] <... clone3 resumed> => {parent_tid=[2773]}, 88) = 2773 ci2-android-5-15/strace-static-x86_64: Process 2773 attached ci2-android-5-15/strace-static-x86_64: Process 2771 attached [pid 2770] <... futex resumed>) = 1 [pid 2769] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2768] rt_sigprocmask(SIG_SETMASK, [] [pid 2767] <... symlinkat resumed>) = 0 [pid 2766] <... futex resumed>) = 0 [pid 2764] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2772 attached [pid 2768] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2767] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2766] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2764] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2768] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2767] <... futex resumed>) = 0 [pid 2766] <... futex resumed>) = 0 [pid 2764] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2768] <... futex resumed>) = 0 [pid 2767] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2766] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2764] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2768] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2767] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2764] <... futex resumed>) = 0 [pid 2767] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2764] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2770] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2767] <... unlinkat resumed>) = 0 [pid 2770] <... symlinkat resumed>) = 0 [pid 2767] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2770] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2767] <... futex resumed>) = 1 [pid 2764] <... futex resumed>) = 0 [pid 2767] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2764] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2767] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2764] <... futex resumed>) = 0 [pid 2767] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2764] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2767] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 2770] <... futex resumed>) = 1 [pid 2767] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2766] <... futex resumed>) = 0 [pid 2770] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2767] <... futex resumed>) = 1 [pid 2766] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2764] <... futex resumed>) = 0 [pid 2770] <... unlinkat resumed>) = 0 [pid 2767] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2766] <... futex resumed>) = 0 [pid 2770] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2766] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2764] exit_group(0 [pid 2770] <... futex resumed>) = 0 [pid 2766] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2770] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2767] <... futex resumed>) = ? [pid 2766] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2764] <... exit_group resumed>) = ? [pid 2772] set_robust_list(0x7f85c0c359a0, 24 [pid 2770] <... unlinkat resumed>) = 0 [pid 2767] +++ exited with 0 +++ [pid 2766] <... futex resumed>) = 0 [pid 2770] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2766] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2770] <... futex resumed>) = 0 [pid 2766] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2770] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2766] exit_group(0 [pid 2770] <... futex resumed>) = ? [pid 2766] <... exit_group resumed>) = ? [pid 2772] <... set_robust_list resumed>) = 0 [pid 2770] +++ exited with 0 +++ [pid 2766] +++ exited with 0 +++ [pid 2764] +++ exited with 0 +++ [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2766, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2764, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2771] set_robust_list(0x5555810c5760, 24) = 0 [pid 2771] rt_sigprocmask(SIG_SETMASK, [] [pid 2772] rt_sigprocmask(SIG_SETMASK, [] [pid 2771] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2771] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2772] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2771] <... prctl resumed>) = 0 [pid 2771] setpgid(0, 0) = 0 [pid 2772] mkdirat(AT_FDCWD, "./config", 0777 [pid 2771] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2772] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2771] write(3, "1000", 4) = 4 [pid 2771] close(3) = 0 [pid 2772] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 2771] write(1, "executing program\n", 18) = 18 [pid 2771] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2771] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2772] <... futex resumed>) = 1 [pid 2769] <... futex resumed>) = 0 [pid 2771] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2772] mount(NULL, "./config", "configfs", 0, NULL [pid 2769] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2773] set_robust_list(0x7f85c0c359a0, 24 [pid 2772] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2771] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2769] <... futex resumed>) = 0 [pid 2773] <... set_robust_list resumed>) = 0 [pid 2772] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2771] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2769] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... restart_syscall resumed>) = 0 [pid 2772] <... futex resumed>) = 0 [pid 2769] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2769] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2773] rt_sigprocmask(SIG_SETMASK, [] [pid 2771] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2772] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2769] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2772] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2769] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2772] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2773] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2771] <... mmap resumed>) = 0x7f85c0c15000 [pid 2773] mkdirat(AT_FDCWD, "./config", 0777 [pid 2771] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2773] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2771] <... mprotect resumed>) = 0 [pid 2772] <... futex resumed>) = 1 [pid 2769] <... futex resumed>) = 0 [pid 2769] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2774 [pid 2772] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2769] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 2769] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2772] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2772] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2773] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2771] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2773] <... futex resumed>) = 1 [pid 2771] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2768] <... futex resumed>) = 0 [pid 2772] <... futex resumed>) = 1 [pid 2769] <... futex resumed>) = 0 [pid 2769] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2768] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2772] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2769] <... futex resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 2768] <... futex resumed>) = 0 [pid 2769] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2768] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2773] mount(NULL, "./config", "configfs", 0, NULL [pid 2771] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2773] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2772] <... mkdirat resumed>) = 0 [pid 2773] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2772] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2771] <... clone3 resumed> => {parent_tid=[2775]}, 88) = 2775 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2773] <... futex resumed>) = 1 [pid 2772] <... futex resumed>) = 1 [pid 2771] rt_sigprocmask(SIG_SETMASK, [] [pid 2769] <... futex resumed>) = 0 [pid 2768] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2773] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2772] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2771] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2769] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2768] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2773] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2772] <... symlinkat resumed>) = 0 [pid 2771] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2769] <... futex resumed>) = 0 [pid 2768] <... futex resumed>) = 0 [pid 2773] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2771] <... futex resumed>) = 0 [pid 2773] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2771] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2773] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2769] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2768] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2772] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2773] <... futex resumed>) = 0 [pid 2772] <... futex resumed>) = 0 [pid 2769] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2768] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2776 [pid 2773] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2772] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2769] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2768] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2773] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2772] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2769] <... futex resumed>) = 0 [pid 2768] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2773] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2772] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2769] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2768] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2773] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2772] <... unlinkat resumed>) = 0 [pid 2773] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2772] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2774 attached [pid 2773] <... futex resumed>) = 1 [pid 2769] <... futex resumed>) = 0 [pid 2772] <... futex resumed>) = 1 [pid 2768] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2776 attached ci2-android-5-15/strace-static-x86_64: Process 2775 attached [pid 2774] set_robust_list(0x5555810c5760, 24 [pid 2773] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2772] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2769] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2768] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2774] <... set_robust_list resumed>) = 0 [pid 2773] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2769] <... futex resumed>) = 0 [pid 2768] <... futex resumed>) = 0 [pid 2774] rt_sigprocmask(SIG_SETMASK, [] [pid 2773] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2772] <... unlinkat resumed>) = 0 [pid 2769] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2768] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2776] set_robust_list(0x5555810c5760, 24 [pid 2775] set_robust_list(0x7f85c0c359a0, 24 [pid 2774] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2773] <... mkdirat resumed>) = 0 [pid 2772] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2769] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2776] <... set_robust_list resumed>) = 0 [pid 2775] <... set_robust_list resumed>) = 0 [pid 2774] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2773] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2772] <... futex resumed>) = 0 [pid 2769] exit_group(0 [pid 2774] <... prctl resumed>) = 0 [pid 2773] <... futex resumed>) = 1 [pid 2768] <... futex resumed>) = 0 [pid 2774] setpgid(0, 0 [pid 2776] rt_sigprocmask(SIG_SETMASK, [] [pid 2775] rt_sigprocmask(SIG_SETMASK, [] [pid 2773] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2769] <... exit_group resumed>) = ? [pid 2768] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2774] <... setpgid resumed>) = 0 [pid 2773] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2768] <... futex resumed>) = 0 [pid 2774] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2773] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2768] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2774] <... openat resumed>) = 3 [pid 2773] <... symlinkat resumed>) = 0 [pid 2774] write(3, "1000", 4 [pid 2773] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2774] <... write resumed>) = 4 [pid 2773] <... futex resumed>) = 1 [pid 2768] <... futex resumed>) = 0 [pid 2774] close(3 [pid 2773] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2768] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2774] <... close resumed>) = 0 [pid 2776] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2773] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2772] +++ exited with 0 +++ [pid 2775] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2769] +++ exited with 0 +++ [pid 2768] <... futex resumed>) = 0 [pid 2774] write(1, "executing program\n", 18 [pid 2773] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 executing program [pid 2768] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2769, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2776] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2775] mkdirat(AT_FDCWD, "./config", 0777 [pid 2774] <... write resumed>) = 18 [pid 2773] <... unlinkat resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2774] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2773] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2776] <... prctl resumed>) = 0 [pid 2775] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2774] <... futex resumed>) = 0 [pid 2773] <... futex resumed>) = 1 [pid 2768] <... futex resumed>) = 0 [pid 2774] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2773] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2768] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2776] setpgid(0, 0 [pid 2775] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2774] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2773] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2768] <... futex resumed>) = 0 [pid 2774] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2773] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2768] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2776] <... setpgid resumed>) = 0 [pid 2775] <... futex resumed>) = 1 [pid 2774] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2773] <... unlinkat resumed>) = 0 [pid 2771] <... futex resumed>) = 0 [pid 2776] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2775] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2774] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2773] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2771] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2774] <... mmap resumed>) = 0x7f85c0c15000 [pid 2773] <... futex resumed>) = 1 [pid 2775] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2771] <... futex resumed>) = 0 [pid 2768] <... futex resumed>) = 0 [pid 2776] <... openat resumed>) = 3 [pid 2775] mount(NULL, "./config", "configfs", 0, NULL [pid 2774] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2773] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2771] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2768] exit_group(0 [pid 2774] <... mprotect resumed>) = 0 [pid 2773] <... futex resumed>) = ? [pid 2768] <... exit_group resumed>) = ? [pid 2775] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2776] write(3, "1000", 4 [pid 2774] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2775] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2773] +++ exited with 0 +++ [pid 2768] +++ exited with 0 +++ [pid 2776] <... write resumed>) = 4 [pid 2774] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2776] close(3 [pid 2775] <... futex resumed>) = 1 [pid 2774] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2771] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2768, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2776] <... close resumed>) = 0 [pid 2775] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2771] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2776] write(1, "executing program\n", 18 [pid 2775] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2774] <... clone3 resumed> => {parent_tid=[2777]}, 88) = 2777 [pid 2771] <... futex resumed>) = 0 [pid 2776] <... write resumed>) = 18 executing program [pid 2775] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2774] rt_sigprocmask(SIG_SETMASK, [] [pid 2771] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2776] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2775] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2774] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2776] <... futex resumed>) = 0 [pid 2775] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2774] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2776] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2775] <... futex resumed>) = 1 [pid 2774] <... futex resumed>) = 0 [pid 2771] <... futex resumed>) = 0 [pid 2776] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2775] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2774] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2771] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2776] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2775] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2771] <... futex resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 2776] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2775] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2771] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2776] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2775] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2775] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2776] <... mmap resumed>) = 0x7f85c0c15000 [pid 2775] <... futex resumed>) = 1 [pid 2771] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2776] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2775] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2771] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2776] <... mprotect resumed>) = 0 [pid 2771] <... futex resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 2771] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2775] <... mkdirat resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2778 attached [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2778 [pid 2776] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2775] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2776] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2771] <... futex resumed>) = 0 [pid 2776] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2775] <... futex resumed>) = 1 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2771] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2775] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2771] <... futex resumed>) = 0 [pid 2778] set_robust_list(0x5555810c5760, 24) = 0 [pid 2778] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2778] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2771] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2778] <... prctl resumed>) = 0 [pid 2776] <... clone3 resumed> => {parent_tid=[2779]}, 88) = 2779 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2780 [pid 2776] rt_sigprocmask(SIG_SETMASK, [] [pid 2775] <... symlinkat resumed>) = 0 [pid 2776] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2775] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 2776] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2775] <... futex resumed>) = 1 [pid 2771] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2776] <... futex resumed>) = 0 [pid 2775] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2771] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2776] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2775] <... unlinkat resumed>) = 0 [pid 2771] <... futex resumed>) = 0 [pid 2775] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2771] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2775] <... futex resumed>) = 0 [pid 2771] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2775] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2771] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2775] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2771] <... futex resumed>) = 0 [pid 2775] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2771] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2778] setpgid(0, 0) = 0 [pid 2778] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2775] <... unlinkat resumed>) = 0 [pid 2778] <... openat resumed>) = 3 [pid 2775] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2778] write(3, "1000", 4) = 4 [pid 2778] close(3) = 0 [pid 2775] <... futex resumed>) = 1 [pid 2771] <... futex resumed>) = 0 [pid 2775] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2771] exit_group(0 [pid 2778] write(1, "executing program\n", 18 [pid 2775] <... futex resumed>) = ? [pid 2771] <... exit_group resumed>) = ? [pid 2778] <... write resumed>) = 18 [pid 2778] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2778] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2778] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2778] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2778] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2775] +++ exited with 0 +++ [pid 2771] +++ exited with 0 +++ [pid 2778] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2771, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 2778] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2778] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[2781]}, 88) = 2781 ci2-android-5-15/strace-static-x86_64: Process 2780 attached ci2-android-5-15/strace-static-x86_64: Process 2777 attached [pid 2778] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2778] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2778] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2779 attached [pid 2779] set_robust_list(0x7f85c0c359a0, 24 [pid 2780] set_robust_list(0x5555810c5760, 24 [pid 2777] set_robust_list(0x7f85c0c359a0, 24 [pid 2779] <... set_robust_list resumed>) = 0 [pid 2779] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2779] mkdirat(AT_FDCWD, "./config", 0777 [pid 2780] <... set_robust_list resumed>) = 0 [pid 2779] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2777] <... set_robust_list resumed>) = 0 [pid 2779] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2776] <... futex resumed>) = 0 [pid 2779] mount(NULL, "./config", "configfs", 0, NULL [pid 2776] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2780] rt_sigprocmask(SIG_SETMASK, [] [pid 2776] <... futex resumed>) = 0 [pid 2780] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2777] rt_sigprocmask(SIG_SETMASK, [] [pid 2776] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2780] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2779] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2777] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2779] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2776] <... futex resumed>) = 0 [pid 2780] <... prctl resumed>) = 0 [pid 2777] mkdirat(AT_FDCWD, "./config", 0777 [pid 2776] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2780] setpgid(0, 0 [pid 2776] <... futex resumed>) = 0 [pid 2780] <... setpgid resumed>) = 0 [pid 2777] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2776] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2779] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2780] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2779] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2777] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2779] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2776] <... futex resumed>) = 0 [pid 2779] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2776] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2780] <... openat resumed>) = 3 [pid 2779] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2777] <... futex resumed>) = 1 [pid 2776] <... futex resumed>) = 0 [pid 2774] <... futex resumed>) = 0 [pid 2780] write(3, "1000", 4 [pid 2779] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2777] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2776] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2774] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2780] <... write resumed>) = 4 [pid 2779] <... futex resumed>) = 0 [pid 2777] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2776] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2774] <... futex resumed>) = 0 [pid 2780] close(3 [pid 2779] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2777] mount(NULL, "./config", "configfs", 0, NULL [pid 2776] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2774] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2780] <... close resumed>) = 0 [pid 2779] <... mkdirat resumed>) = 0 [pid 2777] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2776] <... futex resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 2780] write(1, "executing program\n", 18 [pid 2777] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2776] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2780] <... write resumed>) = 18 [pid 2777] <... futex resumed>) = 1 executing program [pid 2774] <... futex resumed>) = 0 [pid 2780] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2774] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2777] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2780] <... futex resumed>) = 0 [pid 2774] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2780] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2774] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2780] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2777] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2780] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2777] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2780] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2779] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2779] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 2781 attached [pid 2781] set_robust_list(0x7f85c0c359a0, 24 [pid 2780] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2776] <... futex resumed>) = 0 [pid 2780] <... mmap resumed>) = 0x7f85c0c15000 [pid 2777] <... futex resumed>) = 1 [pid 2776] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2774] <... futex resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2782 [pid 2780] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2779] <... futex resumed>) = 0 [pid 2777] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2776] <... futex resumed>) = 1 [pid 2774] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2780] <... mprotect resumed>) = 0 [pid 2779] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2777] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2776] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2774] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 2781] <... set_robust_list resumed>) = 0 [pid 2780] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2779] <... symlinkat resumed>) = 0 [pid 2777] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2774] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 2782 attached [pid 2781] rt_sigprocmask(SIG_SETMASK, [] [pid 2780] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2779] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2777] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2781] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2780] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2779] <... futex resumed>) = 1 [pid 2777] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2776] <... futex resumed>) = 0 [pid 2781] mkdirat(AT_FDCWD, "./config", 0777 [pid 2779] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2777] <... futex resumed>) = 1 [pid 2776] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2774] <... futex resumed>) = 0 [pid 2781] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2780] <... clone3 resumed> => {parent_tid=[2783]}, 88) = 2783 [pid 2779] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2777] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2776] <... futex resumed>) = 0 [pid 2774] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2781] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2780] rt_sigprocmask(SIG_SETMASK, [] [pid 2779] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2777] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2776] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2774] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2783 attached [pid 2781] <... futex resumed>) = 1 [pid 2780] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2779] <... unlinkat resumed>) = 0 [pid 2778] <... futex resumed>) = 0 [pid 2777] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2774] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2781] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2780] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2779] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2778] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2777] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2781] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2780] <... futex resumed>) = 0 [pid 2779] <... futex resumed>) = 1 [pid 2778] <... futex resumed>) = 0 [pid 2777] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2776] <... futex resumed>) = 0 [pid 2781] mount(NULL, "./config", "configfs", 0, NULL [pid 2780] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2779] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2778] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2777] <... futex resumed>) = 1 [pid 2776] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2774] <... futex resumed>) = 0 [pid 2783] set_robust_list(0x7f85c0c359a0, 24 [pid 2782] set_robust_list(0x5555810c5760, 24 [pid 2781] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2779] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2777] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2776] <... futex resumed>) = 0 [pid 2774] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2782] <... set_robust_list resumed>) = 0 [pid 2781] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2779] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2777] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2776] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2774] <... futex resumed>) = 0 [pid 2783] <... set_robust_list resumed>) = 0 [pid 2782] rt_sigprocmask(SIG_SETMASK, [] [pid 2781] <... futex resumed>) = 1 [pid 2779] <... unlinkat resumed>) = 0 [pid 2778] <... futex resumed>) = 0 [pid 2777] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2782] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2781] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2779] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2778] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2774] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2782] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2781] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2779] <... futex resumed>) = 1 [pid 2778] <... futex resumed>) = 0 [pid 2777] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2776] <... futex resumed>) = 0 [pid 2782] <... prctl resumed>) = 0 [pid 2781] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2779] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2778] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2777] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2776] exit_group(0 [pid 2782] setpgid(0, 0 [pid 2781] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2779] <... futex resumed>) = ? [pid 2777] <... futex resumed>) = 1 [pid 2776] <... exit_group resumed>) = ? [pid 2774] <... futex resumed>) = 0 [pid 2782] <... setpgid resumed>) = 0 [pid 2781] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2779] +++ exited with 0 +++ [pid 2777] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2782] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2781] <... futex resumed>) = 1 [pid 2778] <... futex resumed>) = 0 [pid 2782] <... openat resumed>) = 3 [pid 2781] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2778] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2776] +++ exited with 0 +++ [pid 2782] write(3, "1000", 4 [pid 2781] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2778] <... futex resumed>) = 0 [pid 2777] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2774] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2783] rt_sigprocmask(SIG_SETMASK, [] [pid 2782] <... write resumed>) = 4 [pid 2781] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2778] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2777] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2774] <... futex resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2776, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2783] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2782] close(3 [pid 2781] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2777] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2774] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2782] <... close resumed>) = 0 [pid 2781] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2777] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2774] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2783] mkdirat(AT_FDCWD, "./config", 0777 [pid 2782] write(1, "executing program\n", 18 [pid 2781] <... futex resumed>) = 1 [pid 2778] <... futex resumed>) = 0 [pid 2777] <... futex resumed>) = 0 [pid 2774] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2782] <... write resumed>) = 18 executing program [pid 2781] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2778] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2777] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2774] <... futex resumed>) = 0 [pid 2783] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2782] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2781] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2778] <... futex resumed>) = 0 [pid 2777] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2783] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2782] <... futex resumed>) = 0 [pid 2781] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2778] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2777] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2774] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2783] <... futex resumed>) = 1 [pid 2782] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2780] <... futex resumed>) = 0 [pid 2783] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2782] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2781] <... mkdirat resumed>) = 0 [pid 2780] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2777] <... futex resumed>) = 0 [pid 2774] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2783] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2782] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2781] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2780] <... futex resumed>) = 0 [pid 2777] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2774] exit_group(0 [pid 2783] mount(NULL, "./config", "configfs", 0, NULL [pid 2782] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2781] <... futex resumed>) = 1 [pid 2780] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2778] <... futex resumed>) = 0 [pid 2783] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2782] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2781] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2778] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2777] <... futex resumed>) = ? [pid 2774] <... exit_group resumed>) = ? [pid 2783] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2782] <... mmap resumed>) = 0x7f85c0c15000 [pid 2781] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2778] <... futex resumed>) = 0 [pid 2777] +++ exited with 0 +++ [pid 2782] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2778] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2782] <... mprotect resumed>) = 0 [pid 2782] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2782] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2774] +++ exited with 0 +++ [pid 2782] <... clone3 resumed> => {parent_tid=[2784]}, 88) = 2784 [pid 2783] <... futex resumed>) = 1 [pid 2782] rt_sigprocmask(SIG_SETMASK, [] [pid 2781] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2780] <... futex resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2774, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2782] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2780] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2782] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2781] <... symlinkat resumed>) = 0 [pid 2780] <... futex resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2783] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2782] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2781] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2780] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2783] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2781] <... futex resumed>) = 1 [pid 2778] <... futex resumed>) = 0 [pid 2783] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2781] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2778] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2783] <... futex resumed>) = 1 [pid 2781] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2780] <... futex resumed>) = 0 [pid 2778] <... futex resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 2783] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2781] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2780] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2778] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2783] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2781] <... unlinkat resumed>) = 0 [pid 2780] <... futex resumed>) = 0 [pid 2783] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2781] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2780] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2783] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2781] <... futex resumed>) = 1 [pid 2778] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2783] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2781] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2778] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2783] <... futex resumed>) = 1 [pid 2781] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2780] <... futex resumed>) = 0 [pid 2778] <... futex resumed>) = 0 [pid 2778] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2784 attached [pid 2784] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2784] rt_sigprocmask(SIG_SETMASK, [] [pid 2781] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2780] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2783] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2784] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2781] <... unlinkat resumed>) = 0 [pid 2780] <... futex resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2785 [pid 2781] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2780] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2781] <... futex resumed>) = 1 [pid 2778] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2781] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2778] exit_group(0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2783] <... mkdirat resumed>) = 0 [pid 2781] <... futex resumed>) = ? [pid 2778] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 2785 attached [pid 2783] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2781] +++ exited with 0 +++ [pid 2778] +++ exited with 0 +++ [pid 2784] mkdirat(AT_FDCWD, "./config", 0777 [pid 2783] <... futex resumed>) = 1 [pid 2780] <... futex resumed>) = 0 [pid 2783] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2778, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2783] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2780] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2783] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2780] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2784] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2784] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2783] <... symlinkat resumed>) = 0 [pid 2780] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2783] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2780] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2783] <... futex resumed>) = 0 [pid 2780] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2783] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2780] <... futex resumed>) = 0 [pid 2782] <... futex resumed>) = 0 [pid 2783] <... unlinkat resumed>) = 0 [pid 2782] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2783] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2780] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2783] <... futex resumed>) = 0 [pid 2782] <... futex resumed>) = 0 [pid 2780] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2783] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2782] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2780] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2783] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2780] <... futex resumed>) = 0 [pid 2783] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2780] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2784] <... futex resumed>) = 1 [pid 2783] <... unlinkat resumed>) = 0 [pid 2784] mount(NULL, "./config", "configfs", 0, NULL [pid 2783] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2784] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2783] <... futex resumed>) = 1 [pid 2780] <... futex resumed>) = 0 [pid 2783] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2780] exit_group(0 [pid 2784] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2780] <... exit_group resumed>) = ? [pid 2783] <... futex resumed>) = ? [pid 2782] <... futex resumed>) = 0 [pid 2784] <... futex resumed>) = 1 [pid 2782] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2784] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2782] <... futex resumed>) = 0 [pid 2784] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2782] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2784] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2782] <... futex resumed>) = 0 [pid 2784] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2782] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2784] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2782] <... futex resumed>) = 0 [pid 2784] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2783] +++ exited with 0 +++ [pid 2782] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2780] +++ exited with 0 +++ [pid 2784] <... futex resumed>) = 0 [pid 2782] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2784] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2782] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2785] set_robust_list(0x5555810c5760, 24 [pid 2784] <... mkdirat resumed>) = 0 [pid 2782] <... futex resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2780, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2784] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2782] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2784] <... futex resumed>) = 0 [pid 2782] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2784] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2782] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2784] <... symlinkat resumed>) = 0 [pid 2782] <... futex resumed>) = 0 [pid 2785] <... set_robust_list resumed>) = 0 [pid 2784] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2782] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2784] <... futex resumed>) = 0 [pid 2782] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2784] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2782] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2785] rt_sigprocmask(SIG_SETMASK, [] [pid 2784] <... unlinkat resumed>) = 0 [pid 2782] <... futex resumed>) = 0 [pid 2784] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2782] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2784] <... futex resumed>) = 0 [pid 2782] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2784] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2782] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2785] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2784] <... unlinkat resumed>) = 0 [pid 2782] <... futex resumed>) = 0 [pid 2784] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2782] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2784] <... futex resumed>) = 0 [pid 2782] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2784] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2782] exit_group(0 [pid 2784] <... futex resumed>) = ? [pid 2782] <... exit_group resumed>) = ? [pid 2785] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2784] +++ exited with 0 +++ [pid 2782] +++ exited with 0 +++ [pid 2785] <... prctl resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2782, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2785] setpgid(0, 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] <... restart_syscall resumed>) = 0 [pid 2785] <... setpgid resumed>) = 0 [pid 2785] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 311] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2785] <... openat resumed>) = 3 [pid 2785] write(3, "1000", 4 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2786 ci2-android-5-15/strace-static-x86_64: Process 2786 attached [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 2785] <... write resumed>) = 4 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 2785] close(3) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2785] write(1, "executing program\n", 18 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2786] set_robust_list(0x5555810c5760, 24 [pid 2785] <... write resumed>) = 18 executing program [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2786] <... set_robust_list resumed>) = 0 [pid 2786] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2786] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 312] <... restart_syscall resumed>) = 0 [pid 2785] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2787 [pid 2786] <... prctl resumed>) = 0 [pid 2786] setpgid(0, 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2785] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2785] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2786] <... setpgid resumed>) = 0 [pid 2786] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2786] write(3, "1000", 4 [pid 2785] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2788 [pid 2786] <... write resumed>) = 4 [pid 2786] close(3 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... restart_syscall resumed>) = 0 [pid 2785] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2785] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2786] <... close resumed>) = 0 [pid 2785] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2786] write(1, "executing program\n", 18 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2785] <... mmap resumed>) = 0x7f85c0c15000 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2786] <... write resumed>) = 18 [pid 2785] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE executing program [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2786] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2786] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2786] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2786] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2786] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2789 [pid 2785] <... mprotect resumed>) = 0 [pid 2786] <... mprotect resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 2785] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2786] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2785] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2785] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2786] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2786] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2785] <... clone3 resumed> => {parent_tid=[2790]}, 88) = 2790 [pid 2786] <... clone3 resumed> => {parent_tid=[2791]}, 88) = 2791 [pid 2785] rt_sigprocmask(SIG_SETMASK, [] [pid 2786] rt_sigprocmask(SIG_SETMASK, [] [pid 2785] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2786] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2785] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2786] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2785] <... futex resumed>) = 0 [pid 2786] <... futex resumed>) = 0 [pid 2785] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2786] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2787 attached [pid 2787] set_robust_list(0x5555810c5760, 24ci2-android-5-15/strace-static-x86_64: Process 2789 attached ci2-android-5-15/strace-static-x86_64: Process 2788 attached ) = 0 [pid 2787] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 2791 attached [pid 2789] set_robust_list(0x5555810c5760, 24 [pid 2788] set_robust_list(0x5555810c5760, 24 [pid 2787] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2787] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2787] setpgid(0, 0) = 0 [pid 2787] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2791] set_robust_list(0x7f85c0c359a0, 24 [pid 2789] <... set_robust_list resumed>) = 0 [pid 2788] <... set_robust_list resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2790 attached [pid 2787] <... openat resumed>) = 3 [pid 2790] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2790] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2789] rt_sigprocmask(SIG_SETMASK, [] [pid 2790] mkdirat(AT_FDCWD, "./config", 0777 [pid 2788] rt_sigprocmask(SIG_SETMASK, [] [pid 2790] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2790] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2785] <... futex resumed>) = 0 [pid 2791] <... set_robust_list resumed>) = 0 [pid 2789] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2788] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2787] write(3, "1000", 4 [pid 2785] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2785] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2790] <... futex resumed>) = 1 [pid 2790] mount(NULL, "./config", "configfs", 0, NULL [pid 2789] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2790] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2789] <... prctl resumed>) = 0 [pid 2788] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2791] rt_sigprocmask(SIG_SETMASK, [] [pid 2787] <... write resumed>) = 4 [pid 2790] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2785] <... futex resumed>) = 0 [pid 2785] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2785] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2790] <... futex resumed>) = 1 [pid 2790] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 2790] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2785] <... futex resumed>) = 0 [pid 2785] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2785] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2790] <... futex resumed>) = 1 [pid 2790] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 2790] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2785] <... futex resumed>) = 0 [pid 2785] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2785] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2790] <... futex resumed>) = 1 [pid 2790] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2789] setpgid(0, 0 [pid 2788] <... prctl resumed>) = 0 [pid 2791] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2789] <... setpgid resumed>) = 0 [pid 2788] setpgid(0, 0 [pid 2787] close(3 [pid 2791] mkdirat(AT_FDCWD, "./config", 0777 [pid 2790] <... mkdirat resumed>) = 0 [pid 2789] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2788] <... setpgid resumed>) = 0 [pid 2787] <... close resumed>) = 0 [pid 2790] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2789] <... openat resumed>) = 3 [pid 2785] <... futex resumed>) = 0 [pid 2785] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2788] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2791] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2789] write(3, "1000", 4 [pid 2787] write(1, "executing program\n", 18 [pid 2785] <... futex resumed>) = 0 [pid 2791] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2789] <... write resumed>) = 4 [pid 2788] <... openat resumed>) = 3 [pid 2787] <... write resumed>) = 18 executing program [pid 2785] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2791] <... futex resumed>) = 1 [pid 2789] close(3 [pid 2788] write(3, "1000", 4 [pid 2787] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2786] <... futex resumed>) = 0 [pid 2790] <... futex resumed>) = 1 [pid 2788] <... write resumed>) = 4 [pid 2786] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2791] mount(NULL, "./config", "configfs", 0, NULL [pid 2790] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2789] <... close resumed>) = 0 [pid 2788] close(3 [pid 2787] <... futex resumed>) = 0 [pid 2786] <... futex resumed>) = 0 [pid 2791] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2790] <... symlinkat resumed>) = 0 [pid 2789] write(1, "executing program\n", 18 [pid 2788] <... close resumed>) = 0 [pid 2787] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2786] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2791] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2790] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2789] <... write resumed>) = 18 [pid 2788] write(1, "executing program\n", 18 [pid 2787] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2786] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2791] <... futex resumed>) = 0 [pid 2790] <... futex resumed>) = 1 [pid 2789] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2788] <... write resumed>) = 18 [pid 2787] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2786] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2785] <... futex resumed>) = 0 [pid 2791] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2790] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2789] <... futex resumed>) = 0 [pid 2788] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2787] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2786] <... futex resumed>) = 0 executing program executing program [pid 2785] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2791] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2790] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2789] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2788] <... futex resumed>) = 0 [pid 2787] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2786] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2785] <... futex resumed>) = 0 [pid 2791] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2790] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2789] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2788] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2787] <... mmap resumed>) = 0x7f85c0c15000 [pid 2786] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2785] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2791] <... futex resumed>) = 0 [pid 2790] <... unlinkat resumed>) = 0 [pid 2789] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2788] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2787] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2786] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2791] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2790] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2789] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2788] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2787] <... mprotect resumed>) = 0 [pid 2786] <... futex resumed>) = 0 [pid 2791] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2790] <... futex resumed>) = 1 [pid 2789] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2788] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2786] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2785] <... futex resumed>) = 0 [pid 2787] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2791] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2790] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2789] <... mmap resumed>) = 0x7f85c0c15000 [pid 2788] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2786] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2785] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2787] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2791] <... futex resumed>) = 0 [pid 2790] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2789] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2788] <... mmap resumed>) = 0x7f85c0c15000 [pid 2787] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2786] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2785] <... futex resumed>) = 0 [pid 2791] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2790] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2789] <... mprotect resumed>) = 0 [pid 2788] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2786] <... futex resumed>) = 0 [pid 2785] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2791] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2790] <... unlinkat resumed>) = 0 [pid 2789] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2788] <... mprotect resumed>) = 0 [pid 2786] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2792 attached [pid 2791] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2790] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2789] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2788] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2787] <... clone3 resumed> => {parent_tid=[2792]}, 88) = 2792 [pid 2786] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2791] <... futex resumed>) = 0 [pid 2790] <... futex resumed>) = 1 [pid 2789] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2788] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2787] rt_sigprocmask(SIG_SETMASK, [] [pid 2786] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2785] <... futex resumed>) = 0 [pid 2791] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2790] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2788] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2787] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2786] <... futex resumed>) = 0 [pid 2785] exit_group(0 [pid 2791] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2790] <... futex resumed>) = ? [pid 2786] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2785] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 2793 attached [pid 2791] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2790] +++ exited with 0 +++ [pid 2789] <... clone3 resumed> => {parent_tid=[2793]}, 88) = 2793 [pid 2787] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2786] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2785] +++ exited with 0 +++ [pid 2791] <... futex resumed>) = 0 [pid 2789] rt_sigprocmask(SIG_SETMASK, [] [pid 2788] <... clone3 resumed> => {parent_tid=[2794]}, 88) = 2794 [pid 2787] <... futex resumed>) = 0 [pid 2786] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2791] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2789] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2788] rt_sigprocmask(SIG_SETMASK, [] [pid 2787] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2786] <... futex resumed>) = 0 [pid 2791] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2789] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2788] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2786] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2785, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2791] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2789] <... futex resumed>) = 0 [pid 2788] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2786] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2791] <... futex resumed>) = 0 [pid 2789] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2788] <... futex resumed>) = 0 [pid 2786] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2791] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2788] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2786] <... futex resumed>) = 0 [pid 2791] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2786] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2791] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2786] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2791] <... futex resumed>) = 0 [pid 2786] exit_group(0) = ? [pid 2793] set_robust_list(0x7f85c0c359a0, 24 [pid 2791] +++ exited with 0 +++ [pid 2786] +++ exited with 0 +++ [pid 2792] set_robust_list(0x7f85c0c359a0, 24 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2786, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2793] <... set_robust_list resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2792] <... set_robust_list resumed>) = 0 [pid 2792] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2793] rt_sigprocmask(SIG_SETMASK, [] [pid 2792] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 2793] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2792] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2787] <... futex resumed>) = 0 [pid 2792] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2787] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2792] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2787] <... futex resumed>) = 0 [pid 2792] mount(NULL, "./config", "configfs", 0, NULL [pid 2787] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2792] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2792] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2787] <... futex resumed>) = 0 [pid 2792] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2787] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2792] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2787] <... futex resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 2787] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2792] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2787] <... futex resumed>) = 0 [pid 2793] mkdirat(AT_FDCWD, "./config", 0777 [pid 2787] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2787] <... futex resumed>) = 0 [pid 2793] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2787] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2793] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2792] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 2792] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2792] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2787] <... futex resumed>) = 0 [pid 2793] <... futex resumed>) = 1 [pid 2789] <... futex resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2795 [pid 2793] mount(NULL, "./config", "configfs", 0, NULL [pid 2789] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2787] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2789] <... futex resumed>) = 0 [pid 2787] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 2789] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2787] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2793] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2793] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2792] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2792] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2793] <... futex resumed>) = 1 [pid 2792] <... mkdirat resumed>) = 0 [pid 2789] <... futex resumed>) = 0 [pid 2792] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2793] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2789] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2792] <... futex resumed>) = 1 [pid 2789] <... futex resumed>) = 0 [pid 2787] <... futex resumed>) = 0 [pid 2793] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2789] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2787] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2793] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2787] <... futex resumed>) = 0 [pid 2787] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2793] <... futex resumed>) = 1 [pid 2789] <... futex resumed>) = 0 [pid 2789] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2793] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2789] <... futex resumed>) = 0 [pid 2789] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2793] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2792] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2793] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2794 attached ) = 1 [pid 2792] <... symlinkat resumed>) = 0 [pid 2789] <... futex resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 2793] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2789] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2794] set_robust_list(0x7f85c0c359a0, 24 [pid 2789] <... futex resumed>) = 0 [pid 2792] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2789] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2794] <... set_robust_list resumed>) = 0 [pid 2793] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2794] rt_sigprocmask(SIG_SETMASK, [] [pid 2793] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2792] <... futex resumed>) = 1 [pid 2787] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2794] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2793] <... futex resumed>) = 1 [pid 2792] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2789] <... futex resumed>) = 0 [pid 2787] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 2795 attached [pid 2794] mkdirat(AT_FDCWD, "./config", 0777 [pid 2793] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2792] <... unlinkat resumed>) = 0 [pid 2789] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2787] <... futex resumed>) = 0 [pid 2795] set_robust_list(0x5555810c5760, 24 [pid 2794] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2793] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2792] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2789] <... futex resumed>) = 0 [pid 2787] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2796 [pid 2795] <... set_robust_list resumed>) = 0 [pid 2794] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2793] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2792] <... futex resumed>) = 0 [pid 2789] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2787] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2795] rt_sigprocmask(SIG_SETMASK, [] [pid 2794] <... futex resumed>) = 1 [pid 2793] <... symlinkat resumed>) = 0 [pid 2792] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2788] <... futex resumed>) = 0 [pid 2787] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2795] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2794] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2793] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2792] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2788] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2787] <... futex resumed>) = 0 [pid 2795] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2794] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2793] <... futex resumed>) = 1 [pid 2792] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2789] <... futex resumed>) = 0 [pid 2788] <... futex resumed>) = 0 [pid 2787] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2795] <... prctl resumed>) = 0 [pid 2794] mount(NULL, "./config", "configfs", 0, NULL [pid 2793] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2792] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 2789] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2788] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2795] setpgid(0, 0 [pid 2794] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2793] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2792] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2789] <... futex resumed>) = 0 [pid 2795] <... setpgid resumed>) = 0 [pid 2794] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2793] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2792] <... futex resumed>) = 1 [pid 2789] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2787] <... futex resumed>) = 0 [pid 2795] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2794] <... futex resumed>) = 1 [pid 2793] <... unlinkat resumed>) = 0 [pid 2792] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2788] <... futex resumed>) = 0 [pid 2787] exit_group(0 [pid 2795] <... openat resumed>) = 3 [pid 2794] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2793] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2792] <... futex resumed>) = ? [pid 2788] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2787] <... exit_group resumed>) = ? [pid 2795] write(3, "1000", 4 [pid 2794] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2793] <... futex resumed>) = 1 [pid 2792] +++ exited with 0 +++ [pid 2789] <... futex resumed>) = 0 [pid 2788] <... futex resumed>) = 0 [pid 2787] +++ exited with 0 +++ [pid 2795] <... write resumed>) = 4 [pid 2794] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2793] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2789] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2795] close(3 [pid 2794] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2793] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2789] <... futex resumed>) = 0 [pid 2788] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2787, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2795] <... close resumed>) = 0 [pid 2794] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2793] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2789] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2788] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2795] write(1, "executing program\n", 18 [pid 2794] <... futex resumed>) = 0 [pid 2795] <... write resumed>) = 18 executing program [pid 2793] <... unlinkat resumed>) = 0 [pid 2788] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2796 attached [pid 2795] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2794] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2793] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2788] <... futex resumed>) = 0 [pid 2796] set_robust_list(0x5555810c5760, 24 [pid 2795] <... futex resumed>) = 0 [pid 2794] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2793] <... futex resumed>) = 1 [pid 2789] <... futex resumed>) = 0 [pid 2788] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2796] <... set_robust_list resumed>) = 0 [pid 2795] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2794] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2793] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2789] exit_group(0 [pid 2788] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2796] rt_sigprocmask(SIG_SETMASK, [] [pid 2795] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2794] <... futex resumed>) = 0 [pid 2793] <... futex resumed>) = ? [pid 2789] <... exit_group resumed>) = ? [pid 2788] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2796] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2795] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2794] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2793] +++ exited with 0 +++ [pid 2796] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2795] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2796] <... prctl resumed>) = 0 [pid 2795] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2796] setpgid(0, 0 [pid 2795] <... mmap resumed>) = 0x7f85c0c15000 [pid 2796] <... setpgid resumed>) = 0 [pid 2795] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2789] +++ exited with 0 +++ [pid 2796] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2795] <... mprotect resumed>) = 0 [pid 2788] <... futex resumed>) = 0 [pid 2796] <... openat resumed>) = 3 [pid 2795] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2794] <... mkdirat resumed>) = 0 [pid 2788] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... restart_syscall resumed>) = 0 [pid 2796] write(3, "1000", 4 [pid 2795] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2794] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2788] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2789, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2796] <... write resumed>) = 4 [pid 2795] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2794] <... futex resumed>) = 0 [pid 2788] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2797 attached [pid 2796] close(3 [pid 2794] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2788] <... futex resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2796] <... close resumed>) = 0 [pid 2795] <... clone3 resumed> => {parent_tid=[2797]}, 88) = 2797 [pid 2794] <... symlinkat resumed>) = 0 [pid 2788] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2796] write(1, "executing program\n", 18 [pid 2795] rt_sigprocmask(SIG_SETMASK, [] [pid 2794] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2788] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2796] <... write resumed>) = 18 [pid 2795] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2794] <... futex resumed>) = 0 [pid 2788] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2796] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2795] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2794] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2788] <... futex resumed>) = 0 [pid 2796] <... futex resumed>) = 0 [pid 2795] <... futex resumed>) = 0 [pid 2796] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2795] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2788] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2796] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2794] <... unlinkat resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2798 [pid 2796] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2794] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2796] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2794] <... futex resumed>) = 1 [pid 2788] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 2796] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2794] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2788] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2796] <... mmap resumed>) = 0x7f85c0c15000 [pid 2794] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2788] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 2796] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2794] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2788] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2796] <... mprotect resumed>) = 0 [pid 2796] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2794] <... unlinkat resumed>) = 0 [pid 2796] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2796] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2794] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2794] <... futex resumed>) = 1 [pid 2788] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2797] set_robust_list(0x7f85c0c359a0, 24 [pid 2796] <... clone3 resumed> => {parent_tid=[2799]}, 88) = 2799 [pid 2794] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2788] exit_group(0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2796] rt_sigprocmask(SIG_SETMASK, [] [pid 2794] <... futex resumed>) = ? [pid 2788] <... exit_group resumed>) = ? [pid 2796] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2796] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2796] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2799 attached [pid 2799] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2799] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2799] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 2799] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2796] <... futex resumed>) = 0 [pid 2796] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2796] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2794] +++ exited with 0 +++ [pid 2788] +++ exited with 0 +++ [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2800 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2788, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2799] <... futex resumed>) = 1 [pid 2799] mount(NULL, "./config", "configfs", 0, NULL [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 2798 attached [pid 2797] <... set_robust_list resumed>) = 0 [pid 2799] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2799] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2796] <... futex resumed>) = 0 [pid 2796] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2796] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2799] <... futex resumed>) = 1 [pid 2798] set_robust_list(0x5555810c5760, 24 [pid 2797] rt_sigprocmask(SIG_SETMASK, [] [pid 2799] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 2799] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2796] <... futex resumed>) = 0 [pid 2796] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2796] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2799] <... futex resumed>) = 1 [pid 2797] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2799] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 2799] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2796] <... futex resumed>) = 0 [pid 2796] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2796] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2799] <... futex resumed>) = 1 [pid 2799] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2797] mkdirat(AT_FDCWD, "./config", 0777 [pid 2798] <... set_robust_list resumed>) = 0 [pid 2799] <... mkdirat resumed>) = 0 [pid 2799] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2796] <... futex resumed>) = 0 [pid 2796] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2796] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2799] <... futex resumed>) = 1 [pid 2799] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 2797] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2799] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2798] rt_sigprocmask(SIG_SETMASK, [] [pid 2797] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2796] <... futex resumed>) = 0 [pid 2796] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2796] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2799] <... futex resumed>) = 1 [pid 2799] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 2798] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2797] <... futex resumed>) = 1 [pid 2795] <... futex resumed>) = 0 [pid 2797] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2795] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2799] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2795] <... futex resumed>) = 0 [pid 2797] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2798] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2797] mount(NULL, "./config", "configfs", 0, NULL [pid 2795] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2796] <... futex resumed>) = 0 [pid 2798] <... prctl resumed>) = 0 [pid 2797] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2796] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2798] setpgid(0, 0 [pid 2797] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2796] <... futex resumed>) = 0 [pid 2798] <... setpgid resumed>) = 0 [pid 2797] <... futex resumed>) = 1 [pid 2796] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2795] <... futex resumed>) = 0 [pid 2797] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2795] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2797] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2795] <... futex resumed>) = 0 [pid 2798] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2797] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2795] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2797] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2797] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2798] <... openat resumed>) = 3 [pid 2797] <... futex resumed>) = 1 [pid 2795] <... futex resumed>) = 0 [pid 2798] write(3, "1000", 4 [pid 2797] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2798] <... write resumed>) = 4 [pid 2797] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2795] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2798] close(3 [pid 2797] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2795] <... futex resumed>) = 0 [pid 2799] <... futex resumed>) = 1 [pid 2797] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2795] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2798] <... close resumed>) = 0 [pid 2797] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2795] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 2797] <... futex resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 2798] write(1, "executing program\n", 18 [pid 2797] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2795] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2799] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2797] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2795] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2798] <... write resumed>) = 18 [pid 2797] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2795] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2798] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2797] <... futex resumed>) = 0 [pid 2795] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2798] <... futex resumed>) = 0 [pid 2797] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2795] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2795] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2798] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2797] <... symlinkat resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2800 attached [pid 2799] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 2800] set_robust_list(0x5555810c5760, 24 [pid 2799] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2800] <... set_robust_list resumed>) = 0 [pid 2799] <... futex resumed>) = 1 [pid 2796] <... futex resumed>) = 0 [pid 2797] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2800] rt_sigprocmask(SIG_SETMASK, [] [pid 2799] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2798] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2796] exit_group(0 [pid 2795] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2801 [pid 2797] <... futex resumed>) = 1 [pid 2800] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2799] <... futex resumed>) = ? [pid 2798] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2796] <... exit_group resumed>) = ? [pid 2795] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2800] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2799] +++ exited with 0 +++ [pid 2798] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2797] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2796] +++ exited with 0 +++ [pid 2795] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 2795] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2796, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2798] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2797] <... unlinkat resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2797] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2798] <... mmap resumed>) = 0x7f85c0c15000 [pid 2797] <... futex resumed>) = 1 [pid 2795] <... futex resumed>) = 0 [pid 2797] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2795] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2798] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2797] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2795] <... futex resumed>) = 0 [pid 2797] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2795] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2798] <... mprotect resumed>) = 0 [pid 2800] <... prctl resumed>) = 0 [pid 2800] setpgid(0, 0 [pid 2797] <... unlinkat resumed>) = 0 [pid 2798] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2797] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2798] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2797] <... futex resumed>) = 1 [pid 2798] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2795] <... futex resumed>) = 0 [pid 2797] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2795] exit_group(0 [pid 2800] <... setpgid resumed>) = 0 [pid 2795] <... exit_group resumed>) = ? [pid 2797] <... futex resumed>) = ? [pid 2800] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... restart_syscall resumed>) = 0 [pid 2800] <... openat resumed>) = 3 [pid 2800] write(3, "1000", 4) = 4 [pid 2800] close(3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2800] <... close resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2800] write(1, "executing program\n", 18 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2800] <... write resumed>) = 18 [pid 2800] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2800] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 2801 attached [pid 2800] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2801] set_robust_list(0x5555810c5760, 24 [pid 2800] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 2797] +++ exited with 0 +++ [pid 2795] +++ exited with 0 +++ [pid 2798] <... clone3 resumed> => {parent_tid=[2802]}, 88) = 2802 [pid 2801] <... set_robust_list resumed>) = 0 [pid 2800] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2798] rt_sigprocmask(SIG_SETMASK, [] [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2795, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2803 [pid 2801] rt_sigprocmask(SIG_SETMASK, [] [pid 2800] <... mmap resumed>) = 0x7f85c0c15000 [pid 2798] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 2803 attached [pid 2801] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2800] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2798] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2801] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2800] <... mprotect resumed>) = 0 [pid 2798] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 2802 attached [pid 2801] <... prctl resumed>) = 0 [pid 2800] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2801] setpgid(0, 0 [pid 2800] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2801] <... setpgid resumed>) = 0 [pid 2800] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2798] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2804 attached [pid 2802] set_robust_list(0x7f85c0c359a0, 24 [pid 2801] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2802] <... set_robust_list resumed>) = 0 [pid 2801] <... openat resumed>) = 3 [pid 2800] <... clone3 resumed> => {parent_tid=[2804]}, 88) = 2804 [pid 2804] set_robust_list(0x7f85c0c359a0, 24 [pid 2802] rt_sigprocmask(SIG_SETMASK, [] [pid 2801] write(3, "1000", 4) = 4 [pid 2803] set_robust_list(0x5555810c5760, 24 [pid 2801] close(3 [pid 2803] <... set_robust_list resumed>) = 0 [pid 2804] <... set_robust_list resumed>) = 0 [pid 2802] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2801] <... close resumed>) = 0 [pid 2800] rt_sigprocmask(SIG_SETMASK, [] [pid 2803] rt_sigprocmask(SIG_SETMASK, [] [pid 2801] write(1, "executing program\n", 18 [pid 2800] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2803] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2801] <... write resumed>) = 18 executing program [pid 2804] rt_sigprocmask(SIG_SETMASK, [] [pid 2803] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2802] mkdirat(AT_FDCWD, "./config", 0777 [pid 2801] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2800] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2803] <... prctl resumed>) = 0 [pid 2801] <... futex resumed>) = 0 [pid 2803] setpgid(0, 0 [pid 2801] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2803] <... setpgid resumed>) = 0 [pid 2801] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2803] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2801] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2804] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2802] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2800] <... futex resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 2803] <... openat resumed>) = 3 [pid 2800] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2802] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2803] write(3, "1000", 4 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2803] <... write resumed>) = 4 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2803] close(3 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2803] <... close resumed>) = 0 [pid 2803] write(1, "executing program\n", 18) = 18 [pid 2803] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2803] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2805 [pid 2803] <... rt_sigaction resumed>, NULL, 8) = 0 executing program [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 2803] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2803] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2803] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2803] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2803] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2798] <... futex resumed>) = 0 [pid 2804] mkdirat(AT_FDCWD, "./config", 0777 [pid 2802] <... futex resumed>) = 1 [pid 2801] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2798] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2805 attached ) = 0 [pid 2802] mount(NULL, "./config", "configfs", 0, NULL [pid 2798] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2805] set_robust_list(0x5555810c5760, 24) = 0 [pid 2802] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2805] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2805] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2805] setpgid(0, 0) = 0 [pid 2805] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2804] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2803] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2802] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2801] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2805] <... openat resumed>) = 3 [pid 2804] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2803] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2802] <... futex resumed>) = 1 [pid 2801] <... mmap resumed>) = 0x7f85c0c15000 [pid 2798] <... futex resumed>) = 0 [pid 2798] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2802] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2801] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2798] <... futex resumed>) = 0 [pid 2798] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2802] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2801] <... mprotect resumed>) = 0 [pid 2802] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2801] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2802] <... futex resumed>) = 1 [pid 2798] <... futex resumed>) = 0 [pid 2802] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2801] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2798] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2798] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2806 attached [pid 2806] set_robust_list(0x7f85c0c359a0, 24 [pid 2805] write(3, "1000", 4) = 4 [pid 2806] <... set_robust_list resumed>) = 0 [pid 2806] rt_sigprocmask(SIG_SETMASK, [] [pid 2805] close(3 [pid 2806] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2802] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2803] <... clone3 resumed> => {parent_tid=[2806]}, 88) = 2806 [pid 2801] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2805] <... close resumed>) = 0 [pid 2806] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL executing program [pid 2805] write(1, "executing program\n", 18) = 18 [pid 2805] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2805] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2805] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2802] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2805] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2805] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2803] rt_sigprocmask(SIG_SETMASK, [] [pid 2802] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2801] <... clone3 resumed> => {parent_tid=[2807]}, 88) = 2807 [pid 2803] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2802] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2800] <... futex resumed>) = 0 [pid 2801] rt_sigprocmask(SIG_SETMASK, [] [pid 2804] <... futex resumed>) = 1 [pid 2803] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2802] <... futex resumed>) = 1 [pid 2801] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2800] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2798] <... futex resumed>) = 0 [pid 2804] mount(NULL, "./config", "configfs", 0, NULL [pid 2803] <... futex resumed>) = 1 [pid 2802] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2801] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2800] <... futex resumed>) = 0 [pid 2798] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2803] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2802] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2801] <... futex resumed>) = 0 [pid 2800] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2798] <... futex resumed>) = 0 [pid 2804] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2802] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2801] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2798] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2806] <... futex resumed>) = 0 [pid 2804] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2802] <... mkdirat resumed>) = 0 [pid 2802] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2804] <... futex resumed>) = 1 [pid 2800] <... futex resumed>) = 0 [pid 2802] <... futex resumed>) = 1 [pid 2800] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2798] <... futex resumed>) = 0 [pid 2804] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2802] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2800] <... futex resumed>) = 0 [pid 2798] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2806] mkdirat(AT_FDCWD, "./config", 0777 [pid 2804] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2802] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2800] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2798] <... futex resumed>) = 0 [pid 2806] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2805] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2804] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2802] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2800] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2798] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2806] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2805] <... mprotect resumed>) = 0 [pid 2802] <... symlinkat resumed>) = 0 [pid 2800] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2804] <... futex resumed>) = 0 [pid 2802] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2800] <... futex resumed>) = 0 [pid 2806] <... futex resumed>) = 1 [pid 2805] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2804] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2803] <... futex resumed>) = 0 [pid 2802] <... futex resumed>) = 1 [pid 2800] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2798] <... futex resumed>) = 0 [pid 2806] mount(NULL, "./config", "configfs", 0, NULL [pid 2805] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2804] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2803] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2802] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2798] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2806] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2805] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2804] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2803] <... futex resumed>) = 0 [pid 2802] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2798] <... futex resumed>) = 0 [pid 2806] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2804] <... futex resumed>) = 1 [pid 2803] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2802] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2800] <... futex resumed>) = 0 [pid 2798] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2808 attached [pid 2805] <... clone3 resumed> => {parent_tid=[2808]}, 88) = 2808 [pid 2804] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2803] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2802] <... unlinkat resumed>) = 0 [pid 2800] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2804] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2803] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2802] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2800] <... futex resumed>) = 0 [pid 2804] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2803] <... futex resumed>) = 0 [pid 2805] rt_sigprocmask(SIG_SETMASK, [] [pid 2802] <... futex resumed>) = 1 [pid 2800] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2798] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2807 attached [pid 2805] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2804] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2803] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2802] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2798] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2808] set_robust_list(0x7f85c0c359a0, 24 [pid 2807] set_robust_list(0x7f85c0c359a0, 24 [pid 2806] <... futex resumed>) = 0 [pid 2805] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2804] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2802] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2798] <... futex resumed>) = 0 [pid 2807] <... set_robust_list resumed>) = 0 [pid 2805] <... futex resumed>) = 0 [pid 2804] <... futex resumed>) = 1 [pid 2808] <... set_robust_list resumed>) = 0 [pid 2806] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2802] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2800] <... futex resumed>) = 0 [pid 2798] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2807] rt_sigprocmask(SIG_SETMASK, [] [pid 2805] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2804] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2807] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2804] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2802] <... unlinkat resumed>) = 0 [pid 2800] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2804] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2802] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2800] <... futex resumed>) = 0 [pid 2804] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2807] mkdirat(AT_FDCWD, "./config", 0777 [pid 2802] <... futex resumed>) = 1 [pid 2800] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2798] <... futex resumed>) = 0 [pid 2807] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2806] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2804] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2802] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2800] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2798] exit_group(0 [pid 2807] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2806] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2804] <... futex resumed>) = 0 [pid 2802] <... futex resumed>) = ? [pid 2800] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2798] <... exit_group resumed>) = ? [pid 2808] rt_sigprocmask(SIG_SETMASK, [] [pid 2807] <... futex resumed>) = 1 [pid 2806] <... futex resumed>) = 1 [pid 2804] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2803] <... futex resumed>) = 0 [pid 2802] +++ exited with 0 +++ [pid 2801] <... futex resumed>) = 0 [pid 2800] <... futex resumed>) = 0 [pid 2798] +++ exited with 0 +++ [pid 2806] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2804] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2803] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2801] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2800] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2798, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2804] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2803] <... futex resumed>) = 0 [pid 2801] <... futex resumed>) = 0 [pid 2800] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2806] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2804] <... futex resumed>) = 0 [pid 2803] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2801] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2800] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2807] mount(NULL, "./config", "configfs", 0, NULL [pid 2806] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2804] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2803] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2800] <... futex resumed>) = 0 [pid 2808] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2807] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2804] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2803] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2800] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2806] <... futex resumed>) = 0 [pid 2808] mkdirat(AT_FDCWD, "./config", 0777 [pid 2807] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2804] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2803] <... futex resumed>) = 0 [pid 2800] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2808] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2807] <... futex resumed>) = 1 [pid 2806] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2804] <... futex resumed>) = 0 [pid 2803] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2801] <... futex resumed>) = 0 [pid 2800] exit_group(0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2807] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2801] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2800] <... exit_group resumed>) = ? [pid 2807] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2801] <... futex resumed>) = 0 [pid 2807] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2801] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2807] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2807] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2801] <... futex resumed>) = 0 [pid 2807] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2801] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2807] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2801] <... futex resumed>) = 0 [pid 2807] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2801] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2807] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2807] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2801] <... futex resumed>) = 0 [pid 2807] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2801] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2807] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2801] <... futex resumed>) = 0 [pid 2807] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2804] +++ exited with 0 +++ [pid 2801] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2800] +++ exited with 0 +++ [pid 2808] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2807] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2806] <... mkdirat resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2809 [pid 2807] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2806] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2808] <... futex resumed>) = 1 [pid 2807] <... futex resumed>) = 1 [pid 2805] <... futex resumed>) = 0 [pid 2801] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2800, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2808] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2807] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2806] <... futex resumed>) = 1 [pid 2805] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2803] <... futex resumed>) = 0 [pid 2801] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2808] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2807] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2806] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2805] <... futex resumed>) = 0 [pid 2803] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2801] <... futex resumed>) = 0 [pid 2808] mount(NULL, "./config", "configfs", 0, NULL [pid 2807] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2806] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2805] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2803] <... futex resumed>) = 0 [pid 2801] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2809 attached [pid 2808] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2807] <... symlinkat resumed>) = 0 [pid 2806] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2803] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2809] set_robust_list(0x5555810c5760, 24 [pid 2808] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2807] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2806] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2809] <... set_robust_list resumed>) = 0 [pid 2808] <... futex resumed>) = 1 [pid 2807] <... futex resumed>) = 1 [pid 2806] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2805] <... futex resumed>) = 0 [pid 2801] <... futex resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2809] rt_sigprocmask(SIG_SETMASK, [] [pid 2808] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2807] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2806] <... futex resumed>) = 1 [pid 2805] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2803] <... futex resumed>) = 0 [pid 2801] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2809] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2807] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2805] <... futex resumed>) = 0 [pid 2801] <... futex resumed>) = 0 [pid 2809] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2808] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2807] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2806] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2805] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2803] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2801] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2810 attached [pid 2809] <... prctl resumed>) = 0 [pid 2808] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2807] <... unlinkat resumed>) = 0 [pid 2806] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2803] <... futex resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2810 [pid 2809] setpgid(0, 0 [pid 2808] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2807] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2806] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2803] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 2809] <... setpgid resumed>) = 0 [pid 2808] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2807] <... futex resumed>) = 1 [pid 2806] <... futex resumed>) = 0 [pid 2803] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2801] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2809] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2808] <... futex resumed>) = 1 [pid 2807] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2806] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2805] <... futex resumed>) = 0 [pid 2803] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2801] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2810] set_robust_list(0x5555810c5760, 24 [pid 2809] <... openat resumed>) = 3 [pid 2808] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2807] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2806] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2805] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2803] <... futex resumed>) = 0 [pid 2801] <... futex resumed>) = 0 [pid 2809] write(3, "1000", 4 [pid 2808] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2807] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2806] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2805] <... futex resumed>) = 0 [pid 2803] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2801] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2810] <... set_robust_list resumed>) = 0 [pid 2809] <... write resumed>) = 4 [pid 2808] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2807] <... unlinkat resumed>) = 0 [pid 2806] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2805] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2809] close(3 [pid 2808] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2807] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2806] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2809] <... close resumed>) = 0 [pid 2808] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2807] <... futex resumed>) = 1 [pid 2806] <... futex resumed>) = 1 [pid 2803] <... futex resumed>) = 0 [pid 2801] <... futex resumed>) = 0 [pid 2810] rt_sigprocmask(SIG_SETMASK, [] [pid 2809] write(1, "executing program\n", 18 [pid 2808] <... futex resumed>) = 1 executing program [pid 2807] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2806] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2805] <... futex resumed>) = 0 [pid 2803] exit_group(0 [pid 2801] exit_group(0 [pid 2810] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2809] <... write resumed>) = 18 [pid 2808] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2807] <... futex resumed>) = ? [pid 2806] <... futex resumed>) = ? [pid 2805] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2803] <... exit_group resumed>) = ? [pid 2801] <... exit_group resumed>) = ? [pid 2810] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2809] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2808] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2807] +++ exited with 0 +++ [pid 2806] +++ exited with 0 +++ [pid 2805] <... futex resumed>) = 0 [pid 2803] +++ exited with 0 +++ [pid 2801] +++ exited with 0 +++ [pid 2810] <... prctl resumed>) = 0 [pid 2809] <... futex resumed>) = 0 [pid 2808] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2805] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2801, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2803, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2810] setpgid(0, 0 [pid 2809] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2808] <... mkdirat resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2810] <... setpgid resumed>) = 0 [pid 2809] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2808] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2809] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2808] <... futex resumed>) = 1 [pid 2805] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2810] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2809] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2808] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2805] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2809] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2808] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2805] <... futex resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2810] <... openat resumed>) = 3 [pid 2809] <... mmap resumed>) = 0x7f85c0c15000 [pid 2808] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2805] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2811 attached [pid 2811] set_robust_list(0x5555810c5760, 24 [pid 2808] <... symlinkat resumed>) = 0 [pid 2809] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2811 [pid 2810] write(3, "1000", 4 [pid 2809] <... mprotect resumed>) = 0 [pid 2808] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2810] <... write resumed>) = 4 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 2809] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2808] <... futex resumed>) = 1 [pid 2805] <... futex resumed>) = 0 [pid 2810] close(3 [pid 2809] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2808] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2805] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2810] <... close resumed>) = 0 [pid 2809] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2808] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2805] <... futex resumed>) = 0 [pid 2808] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2805] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2810] write(1, "executing program\n", 18 [pid 2808] <... unlinkat resumed>) = 0 [pid 2810] <... write resumed>) = 18 [pid 2809] <... clone3 resumed> => {parent_tid=[2812]}, 88) = 2812 [pid 2808] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2809] rt_sigprocmask(SIG_SETMASK, [] [pid 2810] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2809] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2808] <... futex resumed>) = 1 [pid 2805] <... futex resumed>) = 0 [pid 2810] <... futex resumed>) = 0 [pid 2809] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2808] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2805] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... restart_syscall resumed>) = 0 [pid 2810] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2809] <... futex resumed>) = 0 [pid 2805] <... futex resumed>) = 0 [pid 2808] <... unlinkat resumed>) = 0 [pid 2809] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2805] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2810] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2808] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2805] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2810] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2808] <... futex resumed>) = 0 [pid 2805] exit_group(0 [pid 2810] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2808] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2805] <... exit_group resumed>) = ? executing program [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2810] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2808] +++ exited with 0 +++ [pid 2805] +++ exited with 0 +++ [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2805, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2810] <... mmap resumed>) = 0x7f85c0c15000 [pid 2811] <... set_robust_list resumed>) = 0 [pid 2811] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2811] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2810] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2811] <... prctl resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2813 [pid 2810] <... mprotect resumed>) = 0 [pid 2810] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2811] setpgid(0, 0 [pid 2810] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2811] <... setpgid resumed>) = 0 [pid 2810] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2811] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-5-15/strace-static-x86_64: Process 2813 attached [pid 2813] set_robust_list(0x5555810c5760, 24 [pid 2811] <... openat resumed>) = 3 [pid 2810] <... clone3 resumed> => {parent_tid=[2814]}, 88) = 2814 [pid 2811] write(3, "1000", 4 [pid 2810] rt_sigprocmask(SIG_SETMASK, [] [pid 2811] <... write resumed>) = 4 [pid 2810] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2811] close(3 [pid 2810] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2811] <... close resumed>) = 0 [pid 2810] <... futex resumed>) = 0 [pid 2811] write(1, "executing program\n", 18 [pid 2810] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2811] <... write resumed>) = 18 [pid 2811] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2813] <... set_robust_list resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2812 attached executing program [pid 2812] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2812] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2813] rt_sigprocmask(SIG_SETMASK, [] [pid 2812] mkdirat(AT_FDCWD, "./config", 0777 [pid 2811] <... futex resumed>) = 0 [pid 2812] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2811] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2812] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2809] <... futex resumed>) = 0 [pid 2809] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2809] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2812] <... futex resumed>) = 1 [pid 2812] mount(NULL, "./config", "configfs", 0, NULL [pid 2811] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2813] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2812] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2811] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 311] <... restart_syscall resumed>) = 0 [pid 2812] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2811] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2809] <... futex resumed>) = 0 [pid 2811] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2813] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2809] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2811] <... mmap resumed>) = 0x7f85c0c15000 [pid 2809] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2809] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2813] <... prctl resumed>) = 0 [pid 2811] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2812] <... futex resumed>) = 1 [pid 2812] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 2812] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2809] <... futex resumed>) = 0 [pid 2809] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2811] <... mprotect resumed>) = 0 [pid 2813] setpgid(0, 0 [pid 2809] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2815 [pid 2813] <... setpgid resumed>) = 0 [pid 2811] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 2812] <... futex resumed>) = 1 [pid 2811] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2813] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2811] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2812] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 2812] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2809] <... futex resumed>) = 0 [pid 2813] <... openat resumed>) = 3 [pid 2812] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2811] <... clone3 resumed> => {parent_tid=[2816]}, 88) = 2816 [pid 2809] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2815 attached [pid 2813] write(3, "1000", 4 [pid 2812] <... mkdirat resumed>) = 0 [pid 2811] rt_sigprocmask(SIG_SETMASK, [] [pid 2809] <... futex resumed>) = 0 [pid 2812] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2809] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2812] <... futex resumed>) = 0 [pid 2809] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2812] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2809] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2815] set_robust_list(0x5555810c5760, 24 [pid 2813] <... write resumed>) = 4 [pid 2811] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2809] <... futex resumed>) = 0 [pid 2809] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2814 attached [pid 2814] set_robust_list(0x7f85c0c359a0, 24 [pid 2813] close(3 [pid 2811] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2812] <... symlinkat resumed>) = 0 [pid 2814] <... set_robust_list resumed>) = 0 [pid 2814] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2814] mkdirat(AT_FDCWD, "./config", 0777 [pid 2811] <... futex resumed>) = 0 [pid 2815] <... set_robust_list resumed>) = 0 [pid 2813] <... close resumed>) = 0 [pid 2812] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2811] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2814] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2813] write(1, "executing program\n", 18 [pid 2814] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2810] <... futex resumed>) = 0 [pid 2813] <... write resumed>) = 18 [pid 2810] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2813] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2810] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2814] mount(NULL, "./config", "configfs", 0, NULL [pid 2813] <... futex resumed>) = 0 executing program [pid 2814] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2813] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2814] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2813] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2810] <... futex resumed>) = 0 [pid 2815] rt_sigprocmask(SIG_SETMASK, [] [pid 2814] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2812] <... futex resumed>) = 1 [pid 2810] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2809] <... futex resumed>) = 0 [pid 2810] <... futex resumed>) = 0 [pid 2809] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2810] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2809] <... futex resumed>) = 0 [pid 2809] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2816 attached [pid 2816] set_robust_list(0x7f85c0c359a0, 24 [pid 2815] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2814] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2813] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2812] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2814] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2813] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2815] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2814] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2813] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2816] <... set_robust_list resumed>) = 0 [pid 2814] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2813] <... mmap resumed>) = 0x7f85c0c15000 [pid 2816] rt_sigprocmask(SIG_SETMASK, [] [pid 2815] <... prctl resumed>) = 0 [pid 2814] <... futex resumed>) = 1 [pid 2813] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2812] <... unlinkat resumed>) = 0 [pid 2810] <... futex resumed>) = 0 [pid 2816] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2815] setpgid(0, 0 [pid 2814] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2813] <... mprotect resumed>) = 0 [pid 2812] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2810] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2816] mkdirat(AT_FDCWD, "./config", 0777 [pid 2815] <... setpgid resumed>) = 0 [pid 2814] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2813] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2812] <... futex resumed>) = 1 [pid 2810] <... futex resumed>) = 0 [pid 2809] <... futex resumed>) = 0 [pid 2816] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2814] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2813] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2815] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2812] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2810] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2809] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2816] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2815] <... openat resumed>) = 3 [pid 2814] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2813] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2809] <... futex resumed>) = 0 [pid 2812] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2816] <... futex resumed>) = 1 [pid 2815] write(3, "1000", 4 [pid 2814] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2812] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2811] <... futex resumed>) = 0 [pid 2809] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2816] mount(NULL, "./config", "configfs", 0, NULL [pid 2815] <... write resumed>) = 4 [pid 2814] <... futex resumed>) = 1 [pid 2813] <... clone3 resumed> => {parent_tid=[2817]}, 88) = 2817 [pid 2812] <... unlinkat resumed>) = 0 [pid 2811] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2810] <... futex resumed>) = 0 [pid 2816] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2815] close(3 [pid 2814] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2813] rt_sigprocmask(SIG_SETMASK, [] [pid 2812] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2811] <... futex resumed>) = 0 [pid 2810] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2816] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2815] <... close resumed>) = 0 [pid 2814] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2813] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2812] <... futex resumed>) = 1 [pid 2811] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2810] <... futex resumed>) = 0 [pid 2809] <... futex resumed>) = 0 [pid 2816] <... futex resumed>) = 0 [pid 2815] write(1, "executing program\n", 18 [pid 2814] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2813] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2812] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2811] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2810] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2809] exit_group(0 executing program [pid 2816] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2815] <... write resumed>) = 18 [pid 2813] <... futex resumed>) = 0 [pid 2811] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2809] <... exit_group resumed>) = ? [pid 2816] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2815] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2814] <... mkdirat resumed>) = 0 [pid 2813] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2812] <... futex resumed>) = ? [pid 2811] <... futex resumed>) = 0 [pid 2816] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2815] <... futex resumed>) = 0 [pid 2814] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2811] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2816] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2816] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2811] <... futex resumed>) = 0 [pid 2816] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2811] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2816] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2814] <... futex resumed>) = 1 [pid 2811] <... futex resumed>) = 0 [pid 2810] <... futex resumed>) = 0 [pid 2816] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2815] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2814] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2812] +++ exited with 0 +++ [pid 2811] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2810] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2809] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 2817 attached [pid 2816] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2815] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2814] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2810] <... futex resumed>) = 0 [pid 2817] set_robust_list(0x7f85c0c359a0, 24 [pid 2816] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2815] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2814] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2810] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2809, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2817] <... set_robust_list resumed>) = 0 [pid 2816] <... futex resumed>) = 1 [pid 2815] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2814] <... symlinkat resumed>) = 0 [pid 2811] <... futex resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2817] rt_sigprocmask(SIG_SETMASK, [] [pid 2816] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2815] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2814] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2811] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2817] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2816] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2815] <... mmap resumed>) = 0x7f85c0c15000 [pid 2814] <... futex resumed>) = 1 [pid 2811] <... futex resumed>) = 0 [pid 2810] <... futex resumed>) = 0 [pid 2817] mkdirat(AT_FDCWD, "./config", 0777 [pid 2816] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2815] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2814] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2811] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2810] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2817] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2816] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2815] <... mprotect resumed>) = 0 [pid 2814] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2810] <... futex resumed>) = 0 [pid 2817] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2816] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2814] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2810] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2817] <... futex resumed>) = 1 [pid 2816] <... futex resumed>) = 1 [pid 2815] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2814] <... unlinkat resumed>) = 0 [pid 2813] <... futex resumed>) = 0 [pid 2811] <... futex resumed>) = 0 [pid 2817] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2816] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2815] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2814] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2813] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2811] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2817] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2816] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2815] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2814] <... futex resumed>) = 1 [pid 2813] <... futex resumed>) = 0 [pid 2811] <... futex resumed>) = 0 [pid 2810] <... futex resumed>) = 0 [pid 2817] mount(NULL, "./config", "configfs", 0, NULL [pid 2816] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2814] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2813] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2811] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2810] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2818 attached [pid 2817] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2816] <... symlinkat resumed>) = 0 [pid 2815] <... clone3 resumed> => {parent_tid=[2818]}, 88) = 2818 [pid 2814] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2810] <... futex resumed>) = 0 [pid 2817] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2816] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2815] rt_sigprocmask(SIG_SETMASK, [] [pid 2814] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2817] <... futex resumed>) = 1 [pid 2816] <... futex resumed>) = 1 [pid 2815] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2813] <... futex resumed>) = 0 [pid 2811] <... futex resumed>) = 0 [pid 2810] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2817] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2816] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2815] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2814] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 2813] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2811] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2817] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2816] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2815] <... futex resumed>) = 0 [pid 2814] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2813] <... futex resumed>) = 0 [pid 2811] <... futex resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 2817] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2816] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2815] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2814] <... futex resumed>) = 1 [pid 2813] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2811] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2810] <... futex resumed>) = 0 [pid 2818] set_robust_list(0x7f85c0c359a0, 24 [pid 2817] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2816] <... unlinkat resumed>) = 0 [pid 2814] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2810] exit_group(0 [pid 2817] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2816] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2810] <... exit_group resumed>) = ? [pid 2817] <... futex resumed>) = 1 [pid 2816] <... futex resumed>) = 1 [pid 2814] <... futex resumed>) = ? [pid 2813] <... futex resumed>) = 0 [pid 2811] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2817] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2816] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2811] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2816] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2811] <... futex resumed>) = 0 [pid 2816] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2811] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2816] <... unlinkat resumed>) = 0 [pid 2814] +++ exited with 0 +++ [pid 2810] +++ exited with 0 +++ [pid 2816] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2813] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2816] <... futex resumed>) = 1 [pid 2811] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2817] <... futex resumed>) = 0 [pid 2813] <... futex resumed>) = 1 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2810, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2817] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2816] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2813] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2811] exit_group(0 [pid 2818] <... set_robust_list resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2817] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2816] <... futex resumed>) = ? [pid 2811] <... exit_group resumed>) = ? [pid 2818] rt_sigprocmask(SIG_SETMASK, [] [pid 2817] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2816] +++ exited with 0 +++ [pid 2811] +++ exited with 0 +++ [pid 2818] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2817] <... futex resumed>) = 1 [pid 2813] <... futex resumed>) = 0 [pid 2817] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2813] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2811, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2819 [pid 2818] mkdirat(AT_FDCWD, "./config", 0777ci2-android-5-15/strace-static-x86_64: Process 2819 attached [pid 2817] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2813] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... restart_syscall resumed>) = 0 [pid 2818] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2817] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2813] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2818] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2817] <... mkdirat resumed>) = 0 [pid 2817] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2818] <... futex resumed>) = 1 [pid 2817] <... futex resumed>) = 1 [pid 2815] <... futex resumed>) = 0 [pid 2813] <... futex resumed>) = 0 [pid 2817] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2815] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2813] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2818] mount(NULL, "./config", "configfs", 0, NULL [pid 2817] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2815] <... futex resumed>) = 0 [pid 2813] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2818] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2817] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2815] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2813] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2818] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2817] <... symlinkat resumed>) = 0 [pid 2815] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2817] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2815] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2818] <... futex resumed>) = 0 [pid 2817] <... futex resumed>) = 1 [pid 2815] <... futex resumed>) = 0 [pid 2813] <... futex resumed>) = 0 [pid 2817] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2819] set_robust_list(0x5555810c5760, 24) = 0 [pid 2819] rt_sigprocmask(SIG_SETMASK, [] [pid 2818] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2815] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2813] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2817] <... futex resumed>) = 0 [pid 2813] <... futex resumed>) = 1 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2820 [pid 2818] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2817] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2813] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2818] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2817] <... unlinkat resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 2818] <... futex resumed>) = 1 [pid 2817] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2815] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2818] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2817] <... futex resumed>) = 1 [pid 2815] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2813] <... futex resumed>) = 0 [pid 2819] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2818] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2817] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2815] <... futex resumed>) = 0 [pid 2813] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2819] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2818] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2817] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2815] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2813] <... futex resumed>) = 0 [pid 2819] <... prctl resumed>) = 0 [pid 2818] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2817] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2813] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2819] setpgid(0, 0 [pid 2818] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2817] <... unlinkat resumed>) = 0 [pid 2819] <... setpgid resumed>) = 0 [pid 2818] <... futex resumed>) = 1 [pid 2817] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2815] <... futex resumed>) = 0 [pid 2819] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2818] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2817] <... futex resumed>) = 1 [pid 2813] <... futex resumed>) = 0 [pid 2819] <... openat resumed>) = 3 [pid 2818] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2817] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2815] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2819] write(3, "1000", 4 [pid 2818] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2815] <... futex resumed>) = 0 [pid 2813] exit_group(0 [pid 2815] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2819] <... write resumed>) = 4 [pid 2817] <... futex resumed>) = ? [pid 2813] <... exit_group resumed>) = ? [pid 2819] close(3 [pid 2818] <... mkdirat resumed>) = 0 [pid 2817] +++ exited with 0 +++ [pid 2819] <... close resumed>) = 0 [pid 2819] write(1, "executing program\n", 18) = 18 [pid 2819] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2819] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 2820 attached [pid 2819] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2813] +++ exited with 0 +++ [pid 2818] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... restart_syscall resumed>) = 0 [pid 2818] <... futex resumed>) = 1 [pid 2815] <... futex resumed>) = 0 [pid 2818] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2815] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2813, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2818] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2815] <... futex resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2818] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2815] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2820] set_robust_list(0x5555810c5760, 24 [pid 2819] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2818] <... symlinkat resumed>) = 0 executing program [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2818] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2820] <... set_robust_list resumed>) = 0 [pid 2819] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2820] rt_sigprocmask(SIG_SETMASK, [] [pid 2819] <... mmap resumed>) = 0x7f85c0c15000 [pid 2820] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2819] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2818] <... futex resumed>) = 1 [pid 2815] <... futex resumed>) = 0 [pid 2820] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2819] <... mprotect resumed>) = 0 [pid 2818] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2815] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2821 [pid 2820] <... prctl resumed>) = 0 [pid 2819] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2818] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2815] <... futex resumed>) = 0 [pid 2820] setpgid(0, 0 [pid 2819] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2818] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2815] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 2820] <... setpgid resumed>) = 0 [pid 2819] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2818] <... unlinkat resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2820] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2818] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2821 attached [pid 2820] <... openat resumed>) = 3 [pid 2819] <... clone3 resumed> => {parent_tid=[2822]}, 88) = 2822 [pid 2818] <... futex resumed>) = 1 [pid 2820] write(3, "1000", 4 [pid 2819] rt_sigprocmask(SIG_SETMASK, [] [pid 2818] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2815] <... futex resumed>) = 0 [pid 2820] <... write resumed>) = 4 [pid 2819] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2815] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2820] close(3 [pid 2819] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2820] <... close resumed>) = 0 [pid 2819] <... futex resumed>) = 0 [pid 2818] <... futex resumed>) = 0 [pid 2815] <... futex resumed>) = 1 [pid 2820] write(1, "executing program\n", 18 [pid 2819] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} executing program [pid 2818] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2815] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2820] <... write resumed>) = 18 [pid 306] <... restart_syscall resumed>) = 0 [pid 2820] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2818] <... unlinkat resumed>) = 0 [pid 2820] <... futex resumed>) = 0 [pid 2818] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2820] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2818] <... futex resumed>) = 1 [pid 2815] <... futex resumed>) = 0 [pid 2820] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2818] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2820] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2815] exit_group(0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2820] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2818] <... futex resumed>) = ? [pid 2815] <... exit_group resumed>) = ? [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2820] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2818] +++ exited with 0 +++ [pid 2820] <... mmap resumed>) = 0x7f85c0c15000 [pid 2820] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2820] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2820] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[2824]}, 88) = 2824 [pid 2820] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2820] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2820] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2822 attached [pid 2815] +++ exited with 0 +++ [pid 2822] set_robust_list(0x7f85c0c359a0, 24 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2823 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2815, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2822] <... set_robust_list resumed>) = 0 [pid 2822] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2822] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 2821] set_robust_list(0x5555810c5760, 24 [pid 2822] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2819] <... futex resumed>) = 0 [pid 2819] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2819] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2822] <... futex resumed>) = 1 [pid 2822] mount(NULL, "./config", "configfs", 0, NULLci2-android-5-15/strace-static-x86_64: Process 2824 attached ci2-android-5-15/strace-static-x86_64: Process 2823 attached ) = -1 EBUSY (Device or resource busy) [pid 2821] <... set_robust_list resumed>) = 0 [pid 2822] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2819] <... futex resumed>) = 0 [pid 2819] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2819] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... restart_syscall resumed>) = 0 [pid 2821] rt_sigprocmask(SIG_SETMASK, [] [pid 2822] <... futex resumed>) = 1 [pid 2822] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2821] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2821] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2822] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2822] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2819] <... futex resumed>) = 0 [pid 2822] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2819] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2822] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2821] <... prctl resumed>) = 0 [pid 2819] <... futex resumed>) = 0 [pid 2822] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2819] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2822] <... futex resumed>) = 0 [pid 2821] setpgid(0, 0 [pid 2819] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2825 [pid 2822] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2819] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2825 attached [pid 2824] set_robust_list(0x7f85c0c359a0, 24 [pid 2823] set_robust_list(0x5555810c5760, 24 [pid 2822] <... mkdirat resumed>) = 0 [pid 2821] <... setpgid resumed>) = 0 [pid 2819] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 2822] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2819] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2821] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2822] <... futex resumed>) = 0 [pid 2821] <... openat resumed>) = 3 [pid 2819] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2822] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2819] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2824] <... set_robust_list resumed>) = 0 [pid 2823] <... set_robust_list resumed>) = 0 [pid 2825] set_robust_list(0x5555810c5760, 24 [pid 2822] <... symlinkat resumed>) = 0 [pid 2821] write(3, "1000", 4 [pid 2819] <... futex resumed>) = 0 [pid 2822] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2819] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2823] rt_sigprocmask(SIG_SETMASK, [] [pid 2822] <... futex resumed>) = 0 [pid 2821] <... write resumed>) = 4 [pid 2819] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2822] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2819] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2822] <... unlinkat resumed>) = 0 [pid 2819] <... futex resumed>) = 0 [pid 2822] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2819] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2825] <... set_robust_list resumed>) = 0 [pid 2824] rt_sigprocmask(SIG_SETMASK, [] [pid 2823] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2821] close(3 [pid 2819] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2821] <... close resumed>) = 0 [pid 2819] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2823] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2821] write(1, "executing program\n", 18 [pid 2819] <... futex resumed>) = 0 [pid 2823] <... prctl resumed>) = 0 [pid 2821] <... write resumed>) = 18 executing program [pid 2819] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2824] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2823] setpgid(0, 0 [pid 2821] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2824] mkdirat(AT_FDCWD, "./config", 0777 [pid 2823] <... setpgid resumed>) = 0 [pid 2822] <... futex resumed>) = 1 [pid 2821] <... futex resumed>) = 0 [pid 2819] <... futex resumed>) = 0 [pid 2819] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=49000000} [pid 2821] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2823] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2821] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2824] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2821] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2823] <... openat resumed>) = 3 [pid 2824] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2821] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2823] write(3, "1000", 4 [pid 2821] <... mmap resumed>) = 0x7f85c0c15000 [pid 2824] <... futex resumed>) = 1 [pid 2820] <... futex resumed>) = 0 [pid 2824] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2823] <... write resumed>) = 4 [pid 2821] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2820] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2823] close(3 [pid 2821] <... mprotect resumed>) = 0 [pid 2820] <... futex resumed>) = 0 [pid 2824] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2823] <... close resumed>) = 0 [pid 2821] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2820] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2824] mount(NULL, "./config", "configfs", 0, NULL [pid 2823] write(1, "executing program\n", 18 [pid 2822] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2821] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2821] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2824] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2823] <... write resumed>) = 18 [pid 2822] <... unlinkat resumed>) = 0 [pid 2823] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2824] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2823] <... futex resumed>) = 0 executing program [pid 2822] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2821] <... clone3 resumed> => {parent_tid=[2826]}, 88) = 2826 ci2-android-5-15/strace-static-x86_64: Process 2826 attached [pid 2823] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2821] rt_sigprocmask(SIG_SETMASK, [] [pid 2824] <... futex resumed>) = 1 [pid 2822] <... futex resumed>) = 1 [pid 2820] <... futex resumed>) = 0 [pid 2819] <... futex resumed>) = 0 [pid 2825] rt_sigprocmask(SIG_SETMASK, [] [pid 2824] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2823] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2822] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2821] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2820] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2819] exit_group(0 [pid 2824] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2823] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2821] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2820] <... futex resumed>) = 0 [pid 2819] <... exit_group resumed>) = ? [pid 2824] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2823] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2822] <... futex resumed>) = ? [pid 2821] <... futex resumed>) = 0 [pid 2820] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2825] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2824] <... futex resumed>) = 0 [pid 2823] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2821] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2820] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2824] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2823] <... mmap resumed>) = 0x7f85c0c15000 [pid 2820] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2824] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2823] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2820] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2826] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2826] rt_sigprocmask(SIG_SETMASK, [] [pid 2824] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2823] <... mprotect resumed>) = 0 [pid 2822] +++ exited with 0 +++ [pid 2819] +++ exited with 0 +++ [pid 2824] <... futex resumed>) = 1 [pid 2820] <... futex resumed>) = 0 [pid 2824] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2823] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2820] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2819, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2826] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2824] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2823] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2820] <... futex resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2826] mkdirat(AT_FDCWD, "./config", 0777 [pid 2825] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2824] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2823] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2820] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2826] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2823] <... clone3 resumed> => {parent_tid=[2827]}, 88) = 2827 [pid 2826] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2823] rt_sigprocmask(SIG_SETMASK, [] [pid 2826] <... futex resumed>) = 1 [pid 2823] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2821] <... futex resumed>) = 0 [pid 2824] <... mkdirat resumed>) = 0 [pid 2825] <... prctl resumed>) = 0 [pid 2824] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2823] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2821] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2826] mount(NULL, "./config", "configfs", 0, NULL [pid 2825] setpgid(0, 0 [pid 2824] <... futex resumed>) = 1 [pid 2823] <... futex resumed>) = 0 [pid 2821] <... futex resumed>) = 0 [pid 2820] <... futex resumed>) = 0 [pid 2826] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2825] <... setpgid resumed>) = 0 [pid 2824] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2823] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2821] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2820] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2826] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2824] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2820] <... futex resumed>) = 0 [pid 2826] <... futex resumed>) = 1 [pid 2824] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2821] <... futex resumed>) = 0 [pid 2820] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2826] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2825] <... openat resumed>) = 3 [pid 2821] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2824] <... symlinkat resumed>) = 0 [pid 2825] write(3, "1000", 4 [pid 2821] <... futex resumed>) = 0 [pid 2824] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2825] <... write resumed>) = 4 [pid 2821] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2826] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2824] <... futex resumed>) = 1 [pid 2820] <... futex resumed>) = 0 [pid 2826] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2825] close(3 [pid 2824] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2820] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2826] <... futex resumed>) = 1 [pid 2824] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2821] <... futex resumed>) = 0 [pid 2820] <... futex resumed>) = 0 [pid 2826] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2825] <... close resumed>) = 0 [pid 2824] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2821] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2820] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2826] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2825] write(1, "executing program\n", 18 [pid 2824] <... unlinkat resumed>) = 0 [pid 2821] <... futex resumed>) = 0 executing program [pid 2826] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2825] <... write resumed>) = 18 [pid 2824] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2821] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2826] <... futex resumed>) = 0 [pid 2825] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2824] <... futex resumed>) = 1 [pid 2820] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2827 attached [pid 2826] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2825] <... futex resumed>) = 0 [pid 2824] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2821] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2820] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2827] set_robust_list(0x7f85c0c359a0, 24 [pid 2825] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2824] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2821] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2820] <... futex resumed>) = 0 [pid 2827] <... set_robust_list resumed>) = 0 [pid 2826] <... futex resumed>) = 0 [pid 2825] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2824] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2821] <... futex resumed>) = 1 [pid 2820] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2827] rt_sigprocmask(SIG_SETMASK, [] [pid 2826] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2825] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2821] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2827] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2826] <... mkdirat resumed>) = 0 [pid 2825] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2824] <... unlinkat resumed>) = 0 [pid 2827] mkdirat(AT_FDCWD, "./config", 0777 [pid 2826] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2825] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2824] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2827] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2826] <... futex resumed>) = 1 [pid 2825] <... mmap resumed>) = 0x7f85c0c15000 [pid 2824] <... futex resumed>) = 1 [pid 2821] <... futex resumed>) = 0 [pid 2820] <... futex resumed>) = 0 [pid 2827] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2826] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2825] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2824] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2821] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2820] exit_group(0 [pid 2827] <... futex resumed>) = 1 [pid 2826] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2825] <... mprotect resumed>) = 0 [pid 2824] <... futex resumed>) = ? [pid 2823] <... futex resumed>) = 0 [pid 2821] <... futex resumed>) = 0 [pid 2820] <... exit_group resumed>) = ? [pid 2827] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2826] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2825] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2824] +++ exited with 0 +++ [pid 2823] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2821] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2820] +++ exited with 0 +++ [pid 2827] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2826] <... symlinkat resumed>) = 0 [pid 2825] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2823] <... futex resumed>) = 0 [pid 2827] mount(NULL, "./config", "configfs", 0, NULL [pid 2826] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2825] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2823] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2820, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2827] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2826] <... futex resumed>) = 1 [pid 2821] <... futex resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2827] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2826] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2825] <... clone3 resumed> => {parent_tid=[2828]}, 88) = 2828 [pid 2821] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2827] <... futex resumed>) = 1 [pid 2826] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2825] rt_sigprocmask(SIG_SETMASK, [] [pid 2823] <... futex resumed>) = 0 [pid 2821] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2828 attached [pid 2827] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2826] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2825] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2823] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2821] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2827] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2826] <... unlinkat resumed>) = 0 [pid 2825] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2823] <... futex resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 2827] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2826] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2825] <... futex resumed>) = 0 [pid 2823] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2827] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2826] <... futex resumed>) = 1 [pid 2825] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2821] <... futex resumed>) = 0 [pid 2827] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2826] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2821] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2827] <... futex resumed>) = 1 [pid 2826] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2823] <... futex resumed>) = 0 [pid 2821] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2827] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2826] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2823] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2821] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2827] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2826] <... unlinkat resumed>) = 0 [pid 2823] <... futex resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2827] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2826] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2823] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... restart_syscall resumed>) = 0 [pid 2827] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2826] <... futex resumed>) = 1 [pid 2827] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2826] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2827] <... futex resumed>) = 0 [pid 2827] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2821] <... futex resumed>) = 0 [pid 2823] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2829 [pid 2823] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2821] exit_group(0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 2827] <... futex resumed>) = 0 [pid 2826] <... futex resumed>) = ? [pid 2823] <... futex resumed>) = 1 [pid 2821] <... exit_group resumed>) = ? [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2827] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2826] +++ exited with 0 +++ [pid 2823] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2827] <... mkdirat resumed>) = 0 [pid 2827] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2821] +++ exited with 0 +++ [pid 2827] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2823] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2823] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2821, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2827] <... futex resumed>) = 0 [pid 2823] <... futex resumed>) = 1 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2827] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2823] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2827] <... symlinkat resumed>) = 0 [pid 2827] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2827] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2823] <... futex resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2830 [pid 2823] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2828] set_robust_list(0x7f85c0c359a0, 24 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 2827] <... futex resumed>) = 0 [pid 2823] <... futex resumed>) = 1 [pid 2827] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2823] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 2829 attached [pid 2827] <... unlinkat resumed>) = 0 [pid 2827] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2827] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2823] <... futex resumed>) = 0 [pid 2823] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2827] <... futex resumed>) = 0 [pid 2823] <... futex resumed>) = 1 [pid 2827] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIRci2-android-5-15/strace-static-x86_64: Process 2830 attached [pid 2829] set_robust_list(0x5555810c5760, 24 [pid 2827] <... unlinkat resumed>) = 0 [pid 2823] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2828] <... set_robust_list resumed>) = 0 [pid 2827] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2823] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2830] set_robust_list(0x5555810c5760, 24 [pid 2829] <... set_robust_list resumed>) = 0 [pid 2828] rt_sigprocmask(SIG_SETMASK, [] [pid 2827] <... futex resumed>) = 0 [pid 2828] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2827] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2823] exit_group(0 [pid 2828] mkdirat(AT_FDCWD, "./config", 0777 [pid 2829] rt_sigprocmask(SIG_SETMASK, [] [pid 2827] <... futex resumed>) = ? [pid 2823] <... exit_group resumed>) = ? [pid 2830] <... set_robust_list resumed>) = 0 [pid 2829] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2828] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2827] +++ exited with 0 +++ [pid 2828] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2825] <... futex resumed>) = 0 [pid 2828] mount(NULL, "./config", "configfs", 0, NULL [pid 2825] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2828] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2825] <... futex resumed>) = 0 [pid 2823] +++ exited with 0 +++ [pid 2828] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2825] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2829] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2828] <... futex resumed>) = 0 [pid 2825] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2823, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2828] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2825] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2829] <... prctl resumed>) = 0 [pid 2828] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2825] <... futex resumed>) = 0 [pid 2828] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2825] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2828] <... futex resumed>) = 0 [pid 2825] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2828] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2825] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2828] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2825] <... futex resumed>) = 0 [pid 2828] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2825] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2828] <... futex resumed>) = 0 [pid 2825] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2828] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2825] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2829] setpgid(0, 0 [pid 2828] <... mkdirat resumed>) = 0 [pid 2825] <... futex resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 2830] rt_sigprocmask(SIG_SETMASK, [] [pid 2829] <... setpgid resumed>) = 0 [pid 2828] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2825] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 2825] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2825] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2830] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2828] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2828] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2829] <... openat resumed>) = 3 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555810c5750) = 2831 [pid 2829] write(3, "1000", 4 [pid 2828] <... symlinkat resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 2831 attached [pid 2829] <... write resumed>) = 4 [pid 2830] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2828] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2831] set_robust_list(0x5555810c5760, 24 [pid 2829] close(3 [pid 2828] <... futex resumed>) = 1 [pid 2830] <... prctl resumed>) = 0 [pid 2825] <... futex resumed>) = 0 [pid 2825] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2825] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2830] setpgid(0, 0 [pid 2829] <... close resumed>) = 0 [pid 2828] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2831] <... set_robust_list resumed>) = 0 [pid 2831] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... restart_syscall resumed>) = 0 [pid 2830] <... setpgid resumed>) = 0 [pid 2829] write(1, "executing program\n", 18 [pid 2828] <... unlinkat resumed>) = 0 [pid 2831] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2831] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2829] <... write resumed>) = 18 [pid 2830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2828] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2829] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2828] <... futex resumed>) = 1 [pid 2825] <... futex resumed>) = 0 executing program [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2830] <... openat resumed>) = 3 [pid 2828] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2825] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2829] <... futex resumed>) = 0 [pid 2825] <... futex resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2825] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2831] <... prctl resumed>) = 0 [pid 2831] setpgid(0, 0) = 0 [pid 2831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2829] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2828] <... unlinkat resumed>) = 0 [pid 2830] write(3, "1000", 4 [pid 2829] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2832 [pid 2831] write(3, "1000", 4 [pid 2829] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2828] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2830] <... write resumed>) = 4 [pid 2829] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2828] <... futex resumed>) = 1 [pid 2825] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2830] close(3 [pid 2829] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2828] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2825] exit_group(0 [pid 2830] <... close resumed>) = 0 [pid 2829] <... mmap resumed>) = 0x7f85c0c15000 [pid 2828] <... futex resumed>) = ? [pid 2825] <... exit_group resumed>) = ? [pid 2830] write(1, "executing program\n", 18 [pid 2829] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2828] +++ exited with 0 +++ [pid 2825] +++ exited with 0 +++ [pid 2829] <... mprotect resumed>) = 0 [pid 2830] <... write resumed>) = 18 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2825, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2829] rt_sigprocmask(SIG_BLOCK, ~[] executing program [pid 2830] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2829] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2829] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2830] <... futex resumed>) = 0 [pid 2831] <... write resumed>) = 4 [pid 2830] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2829] <... clone3 resumed> => {parent_tid=[2833]}, 88) = 2833 [pid 2831] close(3 [pid 2830] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2829] rt_sigprocmask(SIG_SETMASK, [] [pid 2831] <... close resumed>) = 0 [pid 2830] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2829] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2831] write(1, "executing program\n", 18 [pid 2830] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2829] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2831] <... write resumed>) = 18 [pid 2829] <... futex resumed>) = 0 [pid 2830] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 executing program [pid 2829] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2830] <... mmap resumed>) = 0x7f85c0c15000 [pid 2831] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2830] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2831] <... futex resumed>) = 0 [pid 2830] <... mprotect resumed>) = 0 [pid 2831] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2830] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2831] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2830] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2831] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2830] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2831] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2831] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2831] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2830] <... clone3 resumed> => {parent_tid=[2834]}, 88) = 2834 [pid 311] <... restart_syscall resumed>) = 0 [pid 2830] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2831] <... mprotect resumed>) = 0 [pid 2830] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2830] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 2832 attached [pid 2831] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2832] set_robust_list(0x5555810c5760, 24 [pid 2831] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2832] <... set_robust_list resumed>) = 0 [pid 2831] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2832] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 2833 attached , NULL, 8) = 0 [pid 2831] <... clone3 resumed> => {parent_tid=[2836]}, 88) = 2836 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2835 [pid 2833] set_robust_list(0x7f85c0c359a0, 24 [pid 2832] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2831] rt_sigprocmask(SIG_SETMASK, [] [pid 2832] <... prctl resumed>) = 0 [pid 2831] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 2832] setpgid(0, 0 [pid 2831] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 2835 attached [pid 2833] <... set_robust_list resumed>) = 0 [pid 2832] <... setpgid resumed>) = 0 [pid 2831] <... futex resumed>) = 0 [pid 2832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2831] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2835] set_robust_list(0x5555810c5760, 24 [pid 2833] rt_sigprocmask(SIG_SETMASK, [] [pid 2832] <... openat resumed>) = 3 [pid 2832] write(3, "1000", 4) = 4 [pid 2832] close(3) = 0 [pid 2835] <... set_robust_list resumed>) = 0 [pid 2833] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 2834 attached [pid 2834] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2834] rt_sigprocmask(SIG_SETMASK, [] [pid 2833] mkdirat(AT_FDCWD, "./config", 0777 [pid 2834] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2834] mkdirat(AT_FDCWD, "./config", 0777ci2-android-5-15/strace-static-x86_64: Process 2836 attached [pid 2836] set_robust_list(0x7f85c0c359a0, 24 [pid 2834] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2836] <... set_robust_list resumed>) = 0 [pid 2836] rt_sigprocmask(SIG_SETMASK, [] [pid 2834] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2836] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2834] <... futex resumed>) = 1 [pid 2833] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2832] write(1, "executing program\n", 18 [pid 2830] <... futex resumed>) = 0 executing program [pid 2835] rt_sigprocmask(SIG_SETMASK, [] [pid 2833] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2832] <... write resumed>) = 18 [pid 2830] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2836] mkdirat(AT_FDCWD, "./config", 0777 [pid 2833] <... futex resumed>) = 1 [pid 2830] <... futex resumed>) = 0 [pid 2832] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2829] <... futex resumed>) = 0 [pid 2833] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2830] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2829] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2832] <... futex resumed>) = 0 [pid 2833] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2832] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2829] <... futex resumed>) = 0 [pid 2829] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2833] mount(NULL, "./config", "configfs", 0, NULL [pid 2832] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2836] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2833] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2832] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2836] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2834] mount(NULL, "./config", "configfs", 0, NULL [pid 2836] <... futex resumed>) = 1 [pid 2835] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2834] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2833] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2832] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2831] <... futex resumed>) = 0 [pid 2836] mount(NULL, "./config", "configfs", 0, NULL [pid 2834] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2831] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2836] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2834] <... futex resumed>) = 1 [pid 2833] <... futex resumed>) = 1 [pid 2832] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2831] <... futex resumed>) = 0 [pid 2830] <... futex resumed>) = 0 [pid 2829] <... futex resumed>) = 0 [pid 2836] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2835] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2834] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2833] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2831] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2830] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2829] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2836] <... futex resumed>) = 0 [pid 2834] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2832] <... mmap resumed>) = 0x7f85c0c15000 [pid 2831] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2833] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2830] <... futex resumed>) = 0 [pid 2835] <... prctl resumed>) = 0 [pid 2829] <... futex resumed>) = 0 [pid 2836] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2834] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2833] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2832] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2831] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2830] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2829] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2836] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2835] setpgid(0, 0 [pid 2834] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2833] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2832] <... mprotect resumed>) = 0 [pid 2831] <... futex resumed>) = 0 [pid 2836] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2835] <... setpgid resumed>) = 0 [pid 2834] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2833] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2831] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2836] <... futex resumed>) = 0 [pid 2834] <... futex resumed>) = 1 [pid 2832] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2831] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2830] <... futex resumed>) = 0 [pid 2833] <... futex resumed>) = 1 [pid 2829] <... futex resumed>) = 0 [pid 2835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2836] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2834] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2833] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2832] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2831] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2830] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2829] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2836] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2835] <... openat resumed>) = 3 [pid 2834] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2833] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2832] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2831] <... futex resumed>) = 0 [pid 2830] <... futex resumed>) = 0 [pid 2829] <... futex resumed>) = 0 [pid 2836] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2835] write(3, "1000", 4 [pid 2834] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2833] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2831] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2830] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2829] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2836] <... futex resumed>) = 0 [pid 2835] <... write resumed>) = 4 [pid 2834] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2833] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2831] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2836] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2835] close(3 [pid 2834] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2833] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2832] <... clone3 resumed> => {parent_tid=[2837]}, 88) = 2837 [pid 2831] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2836] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2835] <... close resumed>) = 0 [pid 2834] <... futex resumed>) = 1 [pid 2833] <... futex resumed>) = 1 [pid 2832] rt_sigprocmask(SIG_SETMASK, [] [pid 2831] <... futex resumed>) = 0 [pid 2830] <... futex resumed>) = 0 [pid 2829] <... futex resumed>) = 0 [pid 2836] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2835] write(1, "executing program\n", 18 [pid 2834] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL executing program [pid 2833] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2832] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2831] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2830] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2829] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2836] <... mkdirat resumed>) = 0 [pid 2835] <... write resumed>) = 18 [pid 2834] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2833] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2832] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2830] <... futex resumed>) = 0 [pid 2829] <... futex resumed>) = 0 [pid 2836] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2835] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2834] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2833] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2832] <... futex resumed>) = 0 [pid 2830] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2829] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2836] <... futex resumed>) = 1 [pid 2835] <... futex resumed>) = 0 [pid 2834] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2833] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2832] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2831] <... futex resumed>) = 0 [pid 2836] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2835] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2834] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2833] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2831] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2836] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2835] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2834] <... futex resumed>) = 1 [pid 2833] <... futex resumed>) = 1 [pid 2831] <... futex resumed>) = 0 [pid 2830] <... futex resumed>) = 0 [pid 2829] <... futex resumed>) = 0 [pid 2836] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2835] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2834] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2833] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2831] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2830] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2829] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2836] <... symlinkat resumed>) = 0 [pid 2835] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2834] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2833] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2830] <... futex resumed>) = 0 [pid 2829] <... futex resumed>) = 0 [pid 2836] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2835] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2834] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2833] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2830] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2829] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2836] <... futex resumed>) = 1 [pid 2835] <... mmap resumed>) = 0x7f85c0c15000 [pid 2834] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 2833] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 2831] <... futex resumed>) = 0 [pid 2836] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2835] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2834] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2833] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2831] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2836] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2835] <... mprotect resumed>) = 0 [pid 2834] <... futex resumed>) = 1 [pid 2833] <... futex resumed>) = 1 [pid 2831] <... futex resumed>) = 0 [pid 2830] <... futex resumed>) = 0 [pid 2829] <... futex resumed>) = 0 [pid 2836] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2835] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2834] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2833] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2831] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2830] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2829] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2836] <... unlinkat resumed>) = 0 [pid 2835] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2834] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2833] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2830] <... futex resumed>) = 0 [pid 2829] <... futex resumed>) = 0 [pid 2836] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2835] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2834] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2833] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2830] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2829] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2837 attached [pid 2836] <... futex resumed>) = 1 [pid 2834] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2833] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2831] <... futex resumed>) = 0 [pid 2837] set_robust_list(0x7f85c0c359a0, 24 [pid 2836] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2835] <... clone3 resumed> => {parent_tid=[2838]}, 88) = 2838 [pid 2834] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2833] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2831] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2837] <... set_robust_list resumed>) = 0 [pid 2836] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2835] rt_sigprocmask(SIG_SETMASK, [] [pid 2834] <... futex resumed>) = 1 [pid 2833] <... futex resumed>) = 1 [pid 2831] <... futex resumed>) = 0 [pid 2830] <... futex resumed>) = 0 [pid 2829] <... futex resumed>) = 0 [pid 2837] rt_sigprocmask(SIG_SETMASK, [] [pid 2836] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2835] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2834] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2833] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2831] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2830] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2829] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2837] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2836] <... unlinkat resumed>) = 0 [pid 2835] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2834] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2833] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2830] <... futex resumed>) = 0 [pid 2829] <... futex resumed>) = 0 [pid 2837] mkdirat(AT_FDCWD, "./config", 0777 [pid 2836] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2835] <... futex resumed>) = 0 [pid 2834] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2833] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2830] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2829] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2837] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2836] <... futex resumed>) = 1 [pid 2835] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2834] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2833] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2831] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2838 attached [pid 2837] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2836] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2834] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2833] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2831] exit_group(0 [pid 2837] <... futex resumed>) = 1 [pid 2836] <... futex resumed>) = ? [pid 2834] <... futex resumed>) = 1 [pid 2833] <... futex resumed>) = 1 [pid 2832] <... futex resumed>) = 0 [pid 2831] <... exit_group resumed>) = ? [pid 2830] <... futex resumed>) = 0 [pid 2829] <... futex resumed>) = 0 [pid 2837] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2836] +++ exited with 0 +++ [pid 2834] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2833] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2832] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2831] +++ exited with 0 +++ [pid 2830] exit_group(0 [pid 2829] exit_group(0 [pid 2837] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2834] <... futex resumed>) = ? [pid 2832] <... futex resumed>) = 0 [pid 2830] <... exit_group resumed>) = ? [pid 2829] <... exit_group resumed>) = ? [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2831, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2833] <... futex resumed>) = ? [pid 2837] mount(NULL, "./config", "configfs", 0, NULL [pid 2834] +++ exited with 0 +++ [pid 2838] set_robust_list(0x7f85c0c359a0, 24 [pid 2832] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2838] <... set_robust_list resumed>) = 0 [pid 2838] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2838] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 2838] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2835] <... futex resumed>) = 0 [pid 2830] +++ exited with 0 +++ [pid 2835] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2835] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2838] <... futex resumed>) = 1 [pid 2838] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 2838] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2835] <... futex resumed>) = 0 [pid 2835] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2835] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2833] +++ exited with 0 +++ [pid 2829] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2829, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2830, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 2837] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2837] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2838] <... futex resumed>) = 1 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2837] <... futex resumed>) = 1 [pid 2832] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2837] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2832] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2837] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2832] <... futex resumed>) = 0 [pid 2838] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 2838] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2835] <... futex resumed>) = 0 [pid 2835] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2832] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2837] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2835] <... futex resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2839 [pid 2838] <... futex resumed>) = 1 [pid 2837] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2835] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2838] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2837] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 2837] <... futex resumed>) = 1 [pid 2832] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2837] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2832] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2837] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2832] <... futex resumed>) = 0 [pid 2837] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2832] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2838] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2837] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2838] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2837] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2838] <... futex resumed>) = 1 [pid 2837] <... futex resumed>) = 1 [pid 2835] <... futex resumed>) = 0 [pid 2832] <... futex resumed>) = 0 [pid 2838] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2837] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2835] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2832] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2839 attached [pid 2838] <... mkdirat resumed>) = 0 [pid 2837] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2835] <... futex resumed>) = 0 [pid 2832] <... futex resumed>) = 0 [pid 2839] set_robust_list(0x5555810c5760, 24 [pid 2838] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2837] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2835] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2832] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2838] <... futex resumed>) = 0 [pid 2837] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2835] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2838] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2837] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2835] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2838] <... symlinkat resumed>) = 0 [pid 2837] <... futex resumed>) = 1 [pid 2835] <... futex resumed>) = 0 [pid 2832] <... futex resumed>) = 0 [pid 2838] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2837] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2835] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2832] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2839] <... set_robust_list resumed>) = 0 [pid 2838] <... futex resumed>) = 0 [pid 2837] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2835] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2832] <... futex resumed>) = 0 [pid 2838] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2837] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2835] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2832] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2839] rt_sigprocmask(SIG_SETMASK, [] [pid 2838] <... unlinkat resumed>) = 0 [pid 2837] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 2835] <... futex resumed>) = 0 [pid 2839] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2838] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2837] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2835] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2838] <... futex resumed>) = 0 [pid 2837] <... futex resumed>) = 1 [pid 2835] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2832] <... futex resumed>) = 0 [pid 2839] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2838] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2837] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2835] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2832] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2839] <... prctl resumed>) = 0 [pid 2838] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2837] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2835] <... futex resumed>) = 0 [pid 2832] <... futex resumed>) = 0 [pid 2839] setpgid(0, 0 [pid 2838] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2837] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2835] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2832] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2839] <... setpgid resumed>) = 0 [pid 2838] <... unlinkat resumed>) = 0 [pid 2837] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 312] <... restart_syscall resumed>) = 0 [pid 2838] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2837] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2838] <... futex resumed>) = 1 [pid 2837] <... futex resumed>) = 1 [pid 2835] <... futex resumed>) = 0 [pid 2832] <... futex resumed>) = 0 [pid 2839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2838] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2837] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2835] exit_group(0 [pid 2832] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2838] <... futex resumed>) = ? [pid 2837] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2835] <... exit_group resumed>) = ? [pid 2832] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2839] <... openat resumed>) = 3 [pid 2838] +++ exited with 0 +++ [pid 2837] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2835] +++ exited with 0 +++ [pid 2832] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2839] write(3, "1000", 4 [pid 2837] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2835, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2837] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2839] <... write resumed>) = 4 [pid 2839] close(3 [pid 2837] <... futex resumed>) = 1 [pid 2832] <... futex resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 2840 attached [pid 2839] <... close resumed>) = 0 [pid 2837] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2832] exit_group(0 [pid 305] <... restart_syscall resumed>) = 0 [pid 2840] set_robust_list(0x5555810c5760, 24 [pid 2839] write(1, "executing program\n", 18 [pid 2837] <... futex resumed>) = ? [pid 2832] <... exit_group resumed>) = ? [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2840 [pid 2839] <... write resumed>) = 18 [pid 2837] +++ exited with 0 +++ [pid 2839] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2839] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2839] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} executing program [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2840] <... set_robust_list resumed>) = 0 [pid 2839] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2832] +++ exited with 0 +++ [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 2839] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2841 [pid 2840] rt_sigprocmask(SIG_SETMASK, [] [pid 2839] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2832, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 2840] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2839] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2840] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2839] <... mmap resumed>) = 0x7f85c0c15000 [pid 306] <... restart_syscall resumed>) = 0 [pid 2839] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2840] <... prctl resumed>) = 0 [pid 2839] <... mprotect resumed>) = 0 [pid 2839] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2840] setpgid(0, 0 [pid 2839] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2839] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2840] <... setpgid resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2839] <... clone3 resumed> => {parent_tid=[2842]}, 88) = 2842 [pid 2839] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2839] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2839] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2842 attached [pid 2840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2843 [pid 2842] set_robust_list(0x7f85c0c359a0, 24 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2842] <... set_robust_list resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2842] rt_sigprocmask(SIG_SETMASK, [] [pid 2840] <... openat resumed>) = 3 [pid 2842] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2840] write(3, "1000", 4 [pid 2842] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 2840] <... write resumed>) = 4 ci2-android-5-15/strace-static-x86_64: Process 2843 attached ci2-android-5-15/strace-static-x86_64: Process 2841 attached [pid 2840] close(3 [pid 2842] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2839] <... futex resumed>) = 0 [pid 2839] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2839] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2843] set_robust_list(0x5555810c5760, 24 [pid 2841] set_robust_list(0x5555810c5760, 24 [pid 2840] <... close resumed>) = 0 [pid 2842] <... futex resumed>) = 1 [pid 2840] write(1, "executing program\n", 18 [pid 2842] mount(NULL, "./config", "configfs", 0, NULL [pid 2840] <... write resumed>) = 18 [pid 311] <... restart_syscall resumed>) = 0 executing program [pid 2840] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2842] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2840] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2840] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2840] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2840] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2842] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2839] <... futex resumed>) = 0 [pid 2839] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2839] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2842] <... futex resumed>) = 1 [pid 2840] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2844 [pid 2840] <... mmap resumed>) = 0x7f85c0c15000 [pid 2842] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 2840] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2840] <... mprotect resumed>) = 0 [pid 2842] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2840] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2842] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2840] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2840] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2839] <... futex resumed>) = 0 [pid 2839] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2839] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2840] <... clone3 resumed> => {parent_tid=[2845]}, 88) = 2845 [pid 2842] <... futex resumed>) = 1 [pid 2840] rt_sigprocmask(SIG_SETMASK, [] [pid 2842] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2840] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2842] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2840] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2842] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2840] <... futex resumed>) = 0 [pid 2843] <... set_robust_list resumed>) = 0 [pid 2840] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2839] <... futex resumed>) = 0 [pid 2839] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2843] rt_sigprocmask(SIG_SETMASK, [] [pid 2839] <... futex resumed>) = 0 [pid 2839] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2842] <... futex resumed>) = 1 [pid 2842] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777ci2-android-5-15/strace-static-x86_64: Process 2845 attached [pid 2843] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2842] <... mkdirat resumed>) = 0 [pid 2841] <... set_robust_list resumed>) = 0 [pid 2842] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2839] <... futex resumed>) = 0 [pid 2839] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2839] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2842] <... futex resumed>) = 1 [pid 2842] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2843] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2842] <... symlinkat resumed>) = 0 [pid 2841] rt_sigprocmask(SIG_SETMASK, [] [pid 2845] set_robust_list(0x7f85c0c359a0, 24 [pid 2842] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2839] <... futex resumed>) = 0 [pid 2839] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2845] <... set_robust_list resumed>) = 0 [pid 2843] setpgid(0, 0 [pid 2841] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2839] <... futex resumed>) = 0 [pid 2842] <... futex resumed>) = 1 [pid 2843] <... setpgid resumed>) = 0 [pid 2839] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2841] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2842] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2841] <... prctl resumed>) = 0 [pid 2842] <... unlinkat resumed>) = 0 [pid 2845] rt_sigprocmask(SIG_SETMASK, [] [pid 2843] <... openat resumed>) = 3 [pid 2841] setpgid(0, 0ci2-android-5-15/strace-static-x86_64: Process 2844 attached [pid 2843] write(3, "1000", 4 [pid 2841] <... setpgid resumed>) = 0 [pid 2844] set_robust_list(0x5555810c5760, 24) = 0 [pid 2845] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2844] rt_sigprocmask(SIG_SETMASK, [] [pid 2843] <... write resumed>) = 4 [pid 2842] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2844] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2844] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2843] close(3 [pid 2844] <... prctl resumed>) = 0 [pid 2841] <... openat resumed>) = 3 [pid 2843] <... close resumed>) = 0 [pid 2844] setpgid(0, 0) = 0 [pid 2844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2843] write(1, "executing program\n", 18 [pid 2841] write(3, "1000", 4 [pid 2843] <... write resumed>) = 18 executing program [pid 2844] <... openat resumed>) = 3 [pid 2843] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2841] <... write resumed>) = 4 [pid 2845] mkdirat(AT_FDCWD, "./config", 0777 [pid 2843] <... futex resumed>) = 0 [pid 2841] close(3 [pid 2843] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2841] <... close resumed>) = 0 [pid 2843] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2839] <... futex resumed>) = 0 [pid 2843] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2842] <... futex resumed>) = 1 [pid 2841] write(1, "executing program\n", 18 [pid 2839] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2845] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2843] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 2842] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2841] <... write resumed>) = 18 [pid 2839] <... futex resumed>) = 0 [pid 2845] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2843] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2841] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2839] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2845] <... futex resumed>) = 1 [pid 2843] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2841] <... futex resumed>) = 0 [pid 2840] <... futex resumed>) = 0 [pid 2845] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2843] <... mprotect resumed>) = 0 [pid 2842] <... unlinkat resumed>) = 0 [pid 2841] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2840] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2843] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2845] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2841] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2842] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2840] <... futex resumed>) = 0 [pid 2845] mount(NULL, "./config", "configfs", 0, NULL [pid 2843] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2841] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2840] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2845] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2843] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2842] <... futex resumed>) = 1 [pid 2841] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2839] <... futex resumed>) = 0 [pid 2844] write(3, "1000", 4 [pid 2839] exit_group(0 [pid 2845] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2842] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2841] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2845] <... futex resumed>) = 1 [pid 2843] <... clone3 resumed> => {parent_tid=[2846]}, 88) = 2846 [pid 2840] <... futex resumed>) = 0 [pid 2839] <... exit_group resumed>) = ? [pid 2845] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2843] rt_sigprocmask(SIG_SETMASK, [] [pid 2842] +++ exited with 0 +++ [pid 2841] <... mmap resumed>) = 0x7f85c0c15000 [pid 2840] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2844] <... write resumed>) = 4 [pid 2844] close(3) = 0 [pid 2844] write(1, "executing program\n", 18) = 18 [pid 2844] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2839] +++ exited with 0 +++ [pid 2844] <... futex resumed>) = 0 [pid 2840] <... futex resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2839, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2845] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2843] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2841] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2840] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2845] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2843] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2841] <... mprotect resumed>) = 0 [pid 2843] <... futex resumed>) = 0 [pid 2841] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2845] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 2843] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2841] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2845] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2841] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2845] <... futex resumed>) = 1 [pid 2840] <... futex resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2845] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2840] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2844] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2844] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2840] <... futex resumed>) = 0 [pid 2841] <... clone3 resumed> => {parent_tid=[2847]}, 88) = 2847 [pid 2845] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2841] rt_sigprocmask(SIG_SETMASK, [] [pid 2840] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2848 [pid 2845] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2841] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2840] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2845] <... futex resumed>) = 0 [pid 2841] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2840] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 2845] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2841] <... futex resumed>) = 0 [pid 2840] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2841] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2840] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2846 attached [pid 2844] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2846] set_robust_list(0x7f85c0c359a0, 24 [pid 2845] <... mkdirat resumed>) = 0 [pid 2844] <... mmap resumed>) = 0x7f85c0c15000 [pid 2846] <... set_robust_list resumed>) = 0 [pid 2844] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2846] rt_sigprocmask(SIG_SETMASK, [] [pid 2845] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2844] <... mprotect resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2848 attached [pid 2846] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2845] <... futex resumed>) = 1 [pid 2844] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2840] <... futex resumed>) = 0 [pid 2846] mkdirat(AT_FDCWD, "./config", 0777 [pid 2844] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2840] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2846] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2845] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2844] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2840] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2849 attached [pid 2848] set_robust_list(0x5555810c5760, 24 [pid 2846] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2845] <... symlinkat resumed>) = 0 [pid 2840] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2848] <... set_robust_list resumed>) = 0 [pid 2846] <... futex resumed>) = 1 [pid 2845] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2844] <... clone3 resumed> => {parent_tid=[2849]}, 88) = 2849 [pid 2843] <... futex resumed>) = 0 [pid 2840] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2846] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2845] <... futex resumed>) = 0 [pid 2844] rt_sigprocmask(SIG_SETMASK, [] [pid 2843] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2840] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2847 attached [pid 2846] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2845] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2844] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2843] <... futex resumed>) = 0 [pid 2840] <... futex resumed>) = 0 [pid 2847] set_robust_list(0x7f85c0c359a0, 24 [pid 2846] mount(NULL, "./config", "configfs", 0, NULL [pid 2845] <... unlinkat resumed>) = 0 [pid 2844] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2843] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2840] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2848] rt_sigprocmask(SIG_SETMASK, [] [pid 2847] <... set_robust_list resumed>) = 0 [pid 2846] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2845] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2844] <... futex resumed>) = 0 [pid 2840] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2849] set_robust_list(0x7f85c0c359a0, 24 [pid 2848] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2847] rt_sigprocmask(SIG_SETMASK, [] [pid 2846] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2845] <... futex resumed>) = 0 [pid 2844] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2847] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2846] <... futex resumed>) = 1 [pid 2845] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2843] <... futex resumed>) = 0 [pid 2840] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2848] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2847] mkdirat(AT_FDCWD, "./config", 0777 [pid 2846] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2843] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2849] <... set_robust_list resumed>) = 0 [pid 2848] <... prctl resumed>) = 0 [pid 2847] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2846] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2845] <... unlinkat resumed>) = 0 [pid 2843] <... futex resumed>) = 0 [pid 2840] <... futex resumed>) = 0 [pid 2848] setpgid(0, 0 [pid 2847] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2846] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2845] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2843] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2840] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2849] rt_sigprocmask(SIG_SETMASK, [] [pid 2848] <... setpgid resumed>) = 0 [pid 2847] <... futex resumed>) = 1 [pid 2846] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2845] <... futex resumed>) = 0 [pid 2841] <... futex resumed>) = 0 [pid 2840] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2847] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2846] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2845] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2841] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2847] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2846] <... futex resumed>) = 1 [pid 2843] <... futex resumed>) = 0 [pid 2841] <... futex resumed>) = 0 [pid 2840] exit_group(0 [pid 2847] mount(NULL, "./config", "configfs", 0, NULL [pid 2846] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2843] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2841] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2840] <... exit_group resumed>) = ? [pid 2845] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 2848] <... openat resumed>) = 3 [pid 2847] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2846] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2843] <... futex resumed>) = 0 [pid 2847] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2846] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2843] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2847] <... futex resumed>) = 1 [pid 2846] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2847] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2846] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2845] +++ exited with 0 +++ [pid 2843] <... futex resumed>) = 0 [pid 2840] +++ exited with 0 +++ [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2840, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2848] write(3, "1000", 4 [pid 2846] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2843] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2841] <... futex resumed>) = 0 [pid 2848] <... write resumed>) = 4 [pid 2846] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2843] <... futex resumed>) = 0 [pid 2841] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2848] close(3 [pid 2847] <... futex resumed>) = 0 [pid 2846] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2843] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2841] <... futex resumed>) = 1 [pid 2849] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2848] <... close resumed>) = 0 [pid 2847] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2846] <... mkdirat resumed>) = 0 [pid 2841] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2849] mkdirat(AT_FDCWD, "./config", 0777 [pid 2848] write(1, "executing program\n", 18 [pid 2847] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2846] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 2849] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2848] <... write resumed>) = 18 [pid 2847] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2846] <... futex resumed>) = 1 [pid 2843] <... futex resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2849] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2848] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2847] <... futex resumed>) = 1 [pid 2846] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2843] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2841] <... futex resumed>) = 0 [pid 2847] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2846] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2843] <... futex resumed>) = 0 [pid 2846] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2848] <... futex resumed>) = 0 [pid 2843] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2841] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2844] <... futex resumed>) = 0 [pid 2849] <... futex resumed>) = 1 [pid 2848] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2847] <... futex resumed>) = 0 [pid 2846] <... symlinkat resumed>) = 0 [pid 2844] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2841] <... futex resumed>) = 1 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2850 [pid 2849] mount(NULL, "./config", "configfs", 0, NULL [pid 2848] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2847] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2846] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2844] <... futex resumed>) = 0 [pid 2841] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 2849] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2848] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2847] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2846] <... futex resumed>) = 1 [pid 2844] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2843] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2849] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2848] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2847] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2846] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2844] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2843] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2849] <... futex resumed>) = 0 [pid 2848] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2847] <... futex resumed>) = 1 [pid 2846] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2844] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2843] <... futex resumed>) = 0 [pid 2841] <... futex resumed>) = 0 [pid 2849] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2848] <... mmap resumed>) = 0x7f85c0c15000 [pid 2847] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2846] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2844] <... futex resumed>) = 0 [pid 2843] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2841] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2849] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2848] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2847] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2846] <... unlinkat resumed>) = 0 [pid 2844] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2841] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2850 attached [pid 2849] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2848] <... mprotect resumed>) = 0 [pid 2847] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2846] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2844] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2841] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2850] set_robust_list(0x5555810c5760, 24 [pid 2849] <... futex resumed>) = 0 [pid 2848] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2847] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2846] <... futex resumed>) = 1 [pid 2844] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2843] <... futex resumed>) = 0 [pid 2850] <... set_robust_list resumed>) = 0 [pid 2849] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2848] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2847] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2846] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2844] <... futex resumed>) = 0 [pid 2843] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2850] rt_sigprocmask(SIG_SETMASK, [] [pid 2847] <... futex resumed>) = 1 [pid 2846] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2843] <... futex resumed>) = 0 [pid 2850] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2849] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2848] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2847] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2846] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2844] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2843] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2841] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2851 attached [pid 2850] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2849] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2846] <... unlinkat resumed>) = 0 [pid 2844] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2841] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2850] <... prctl resumed>) = 0 [pid 2849] <... futex resumed>) = 0 [pid 2848] <... clone3 resumed> => {parent_tid=[2851]}, 88) = 2851 [pid 2847] <... futex resumed>) = 0 [pid 2846] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2844] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2841] <... futex resumed>) = 1 [pid 2850] setpgid(0, 0 [pid 2849] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2848] rt_sigprocmask(SIG_SETMASK, [] [pid 2847] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2846] <... futex resumed>) = 1 [pid 2844] <... futex resumed>) = 0 [pid 2843] <... futex resumed>) = 0 [pid 2841] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2851] set_robust_list(0x7f85c0c359a0, 24 [pid 2850] <... setpgid resumed>) = 0 [pid 2849] <... mkdirat resumed>) = 0 [pid 2848] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2847] <... symlinkat resumed>) = 0 [pid 2846] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2844] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2843] exit_group(0 [pid 2850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2849] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2848] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2847] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2846] <... futex resumed>) = ? [pid 2844] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2843] <... exit_group resumed>) = ? [pid 2851] <... set_robust_list resumed>) = 0 [pid 2850] <... openat resumed>) = 3 [pid 2849] <... futex resumed>) = 0 [pid 2848] <... futex resumed>) = 0 [pid 2847] <... futex resumed>) = 1 [pid 2846] +++ exited with 0 +++ [pid 2844] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2843] +++ exited with 0 +++ [pid 2841] <... futex resumed>) = 0 [pid 2850] write(3, "1000", 4 [pid 2849] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2848] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2847] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2844] <... futex resumed>) = 0 [pid 2841] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2850] <... write resumed>) = 4 [pid 2849] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 2847] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2844] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2841] <... futex resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2843, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2850] close(3 [pid 2849] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2847] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2844] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2841] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2851] rt_sigprocmask(SIG_SETMASK, [] [pid 2850] <... close resumed>) = 0 [pid 2849] <... futex resumed>) = 0 [pid 2847] <... unlinkat resumed>) = 0 [pid 2844] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 2850] write(1, "executing program\n", 18 [pid 2849] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2847] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2844] <... futex resumed>) = 0 [pid 2850] <... write resumed>) = 18 [pid 2849] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2847] <... futex resumed>) = 1 [pid 2844] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2841] <... futex resumed>) = 0 [pid 2850] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2849] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2847] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2844] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2841] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2851] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2850] <... futex resumed>) = 0 [pid 2849] <... futex resumed>) = 0 [pid 2847] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2844] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2841] <... futex resumed>) = 0 [pid 2850] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2849] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2847] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2844] <... futex resumed>) = 0 [pid 2841] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2850] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2849] <... unlinkat resumed>) = 0 [pid 2847] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2844] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2851] mkdirat(AT_FDCWD, "./config", 0777 [pid 2850] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2849] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2847] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2851] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2850] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2849] <... futex resumed>) = 0 [pid 2847] <... futex resumed>) = 1 [pid 2844] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2841] <... futex resumed>) = 0 [pid 2851] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2850] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2849] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2847] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2844] exit_group(0 [pid 2841] exit_group(0 [pid 306] <... restart_syscall resumed>) = 0 [pid 2851] <... futex resumed>) = 1 [pid 2850] <... mmap resumed>) = 0x7f85c0c15000 [pid 2849] <... futex resumed>) = ? [pid 2848] <... futex resumed>) = 0 [pid 2847] <... futex resumed>) = ? [pid 2844] <... exit_group resumed>) = ? [pid 2841] <... exit_group resumed>) = ? [pid 2851] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2850] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2849] +++ exited with 0 +++ [pid 2848] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2847] +++ exited with 0 +++ [pid 2844] +++ exited with 0 +++ [pid 2841] +++ exited with 0 +++ [pid 2851] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2850] <... mprotect resumed>) = 0 [pid 2848] <... futex resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2844, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2841, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2851] mount(NULL, "./config", "configfs", 0, NULL [pid 2850] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2848] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2851] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2850] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2851] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2850] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0}ci2-android-5-15/strace-static-x86_64: Process 2852 attached [pid 311] <... restart_syscall resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2852 [pid 2850] <... clone3 resumed> => {parent_tid=[2853]}, 88) = 2853 [pid 2851] <... futex resumed>) = 1 [pid 2848] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2848] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2851] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2850] rt_sigprocmask(SIG_SETMASK, [] [pid 2848] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2850] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2848] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2852] set_robust_list(0x5555810c5760, 24 [pid 2851] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2850] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2851] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2850] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2848] <... futex resumed>) = 0 [pid 2852] <... set_robust_list resumed>) = 0 [pid 2852] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2852] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2848] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2851] <... futex resumed>) = 1 [pid 2848] <... futex resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2854 [pid 2851] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2848] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 2851] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2852] <... prctl resumed>) = 0 [pid 2851] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2852] setpgid(0, 0 [pid 2848] <... futex resumed>) = 0 [pid 2851] <... futex resumed>) = 1 [pid 2848] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2852] <... setpgid resumed>) = 0 [pid 2851] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2848] <... futex resumed>) = 0 [pid 2852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2848] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2851] <... mkdirat resumed>) = 0 [pid 2852] <... openat resumed>) = 3 [pid 2851] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2854 attached [pid 2848] <... futex resumed>) = 0 [pid 2851] <... futex resumed>) = 1 [pid 2848] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2852] write(3, "1000", 4 [pid 2848] <... futex resumed>) = 0 [pid 2851] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2848] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2852] <... write resumed>) = 4 [pid 2852] close(3 [pid 2851] <... symlinkat resumed>) = 0 [pid 2852] <... close resumed>) = 0 [pid 2851] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2852] write(1, "executing program\n", 18 [pid 2851] <... futex resumed>) = 1 [pid 2848] <... futex resumed>) = 0 [pid 2851] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2848] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2851] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2848] <... futex resumed>) = 0 [pid 2851] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2848] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2851] <... unlinkat resumed>) = 0 [pid 2852] <... write resumed>) = 18 executing program [pid 2851] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2852] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2851] <... futex resumed>) = 1 [pid 2848] <... futex resumed>) = 0 [pid 2851] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2848] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2851] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2848] <... futex resumed>) = 0 [pid 2851] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2848] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2852] <... futex resumed>) = 0 [pid 2852] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2851] <... unlinkat resumed>) = 0 [pid 2852] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2851] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2852] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2851] <... futex resumed>) = 1 [pid 2848] <... futex resumed>) = 0 [pid 2851] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2848] exit_group(0 [pid 2852] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2851] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 2848] <... exit_group resumed>) = ? [pid 2852] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2852] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2852] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2852] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[2855]}, 88) = 2855 [pid 2851] +++ exited with 0 +++ [pid 2848] +++ exited with 0 +++ [pid 2852] rt_sigprocmask(SIG_SETMASK, [] [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2848, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2852] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2852] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2853 attached ) = 0 [pid 2854] set_robust_list(0x5555810c5760, 24 [pid 2853] set_robust_list(0x7f85c0c359a0, 24 [pid 2852] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2853] <... set_robust_list resumed>) = 0 [pid 2853] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... restart_syscall resumed>) = 0 [pid 2853] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2854] <... set_robust_list resumed>) = 0 [pid 2853] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2853] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2853] <... futex resumed>) = 1 [pid 2850] <... futex resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 2856 attached [pid 2854] rt_sigprocmask(SIG_SETMASK, [] [pid 2853] mount(NULL, "./config", "configfs", 0, NULL [pid 2850] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2854] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2853] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2850] <... futex resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2856 [pid 2854] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2853] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2850] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 2854] <... prctl resumed>) = 0 [pid 2853] <... futex resumed>) = 0 [pid 2850] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2854] setpgid(0, 0 [pid 2853] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2850] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2854] <... setpgid resumed>) = 0 [pid 2853] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2850] <... futex resumed>) = 0 [pid 2853] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2850] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2850] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2853] <... futex resumed>) = 0 [pid 2850] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2853] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2850] <... futex resumed>) = 0 [pid 2854] <... openat resumed>) = 3 [pid 2850] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2854] write(3, "1000", 4 [pid 2853] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2853] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2850] <... futex resumed>) = 0 [pid 2854] <... write resumed>) = 4 [pid 2850] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2854] close(3 [pid 2850] <... futex resumed>) = 0 [pid 2854] <... close resumed>) = 0 [pid 2853] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2850] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2854] write(1, "executing program\n", 18 executing program [pid 2856] set_robust_list(0x5555810c5760, 24 [pid 2853] <... mkdirat resumed>) = 0 [pid 2854] <... write resumed>) = 18 [pid 2853] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2854] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2855 attached [pid 2856] <... set_robust_list resumed>) = 0 [pid 2854] <... futex resumed>) = 0 [pid 2853] <... futex resumed>) = 1 [pid 2850] <... futex resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 2854] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2853] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2850] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2854] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2853] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2850] <... futex resumed>) = 0 [pid 2854] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2853] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2850] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2856] rt_sigprocmask(SIG_SETMASK, [] [pid 2855] set_robust_list(0x7f85c0c359a0, 24 [pid 2854] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2853] <... symlinkat resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2856] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2855] <... set_robust_list resumed>) = 0 [pid 2854] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2853] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2854] <... mmap resumed>) = 0x7f85c0c15000 [pid 2853] <... futex resumed>) = 1 [pid 2850] <... futex resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2856] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2855] rt_sigprocmask(SIG_SETMASK, [] [pid 2854] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2853] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2850] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2853] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2850] <... futex resumed>) = 0 [pid 2853] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2850] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2856] <... prctl resumed>) = 0 [pid 2855] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2854] <... mprotect resumed>) = 0 [pid 2853] <... unlinkat resumed>) = 0 [pid 2853] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2857 [pid 2856] setpgid(0, 0 [pid 2855] mkdirat(AT_FDCWD, "./config", 0777 [pid 2854] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2853] <... futex resumed>) = 1 [pid 2850] <... futex resumed>) = 0 [pid 2856] <... setpgid resumed>) = 0 [pid 2855] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2854] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2853] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2850] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 2856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2855] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2854] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2853] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2850] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2853] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2850] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2856] <... openat resumed>) = 3 [pid 2855] <... futex resumed>) = 1 [pid 2854] <... clone3 resumed> => {parent_tid=[2858]}, 88) = 2858 [pid 2853] <... unlinkat resumed>) = 0 [pid 2852] <... futex resumed>) = 0 [pid 2856] write(3, "1000", 4 [pid 2855] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2854] rt_sigprocmask(SIG_SETMASK, [] [pid 2853] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2852] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2856] <... write resumed>) = 4 [pid 2855] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2854] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2853] <... futex resumed>) = 1 [pid 2852] <... futex resumed>) = 0 [pid 2850] <... futex resumed>) = 0 [pid 2856] close(3 [pid 2855] mount(NULL, "./config", "configfs", 0, NULL [pid 2854] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2853] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2852] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2850] exit_group(0 [pid 2856] <... close resumed>) = 0 [pid 2855] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2854] <... futex resumed>) = 0 [pid 2853] <... futex resumed>) = ? [pid 2850] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 2858 attached ci2-android-5-15/strace-static-x86_64: Process 2857 attached executing program [pid 2856] write(1, "executing program\n", 18 [pid 2855] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2854] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2853] +++ exited with 0 +++ [pid 2858] set_robust_list(0x7f85c0c359a0, 24 [pid 2857] set_robust_list(0x5555810c5760, 24 [pid 2856] <... write resumed>) = 18 [pid 2855] <... futex resumed>) = 1 [pid 2852] <... futex resumed>) = 0 [pid 2850] +++ exited with 0 +++ [pid 2857] <... set_robust_list resumed>) = 0 [pid 2856] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2855] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2852] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2856] <... futex resumed>) = 0 [pid 2855] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2852] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2850, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2857] rt_sigprocmask(SIG_SETMASK, [] [pid 2856] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2855] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2852] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2857] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2856] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2855] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2856] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2855] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2857] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2856] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2855] <... futex resumed>) = 1 [pid 2856] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2852] <... futex resumed>) = 0 [pid 2857] <... prctl resumed>) = 0 [pid 2856] <... mmap resumed>) = 0x7f85c0c15000 [pid 2855] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2852] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2857] setpgid(0, 0 [pid 2856] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2855] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2852] <... futex resumed>) = 0 [pid 2857] <... setpgid resumed>) = 0 [pid 2856] <... mprotect resumed>) = 0 [pid 2855] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2852] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2856] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2856] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2855] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2856] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2855] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2858] <... set_robust_list resumed>) = 0 [pid 2858] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2855] <... futex resumed>) = 1 [pid 2856] <... clone3 resumed> => {parent_tid=[2859]}, 88) = 2859 [pid 2852] <... futex resumed>) = 0 [pid 2858] mkdirat(AT_FDCWD, "./config", 0777 [pid 2857] <... openat resumed>) = 3 [pid 2856] rt_sigprocmask(SIG_SETMASK, [] [pid 2855] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2852] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2858] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2857] write(3, "1000", 4 [pid 2856] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2855] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2852] <... futex resumed>) = 0 [pid 2858] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2857] <... write resumed>) = 4 [pid 2856] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2855] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2852] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2858] <... futex resumed>) = 1 [pid 2857] close(3 [pid 2856] <... futex resumed>) = 0 [pid 2854] <... futex resumed>) = 0 [pid 2858] mount(NULL, "./config", "configfs", 0, NULL [pid 2856] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2854] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2857] <... close resumed>) = 0 [pid 2855] <... mkdirat resumed>) = 0 [pid 2854] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2859 attached [pid 2858] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2857] write(1, "executing program\n", 18 [pid 2855] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 2854] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2858] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2857] <... write resumed>) = 18 [pid 2855] <... futex resumed>) = 1 [pid 2854] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2852] <... futex resumed>) = 0 [pid 2858] <... futex resumed>) = 0 [pid 2855] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2854] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2857] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2852] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2858] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2855] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2854] <... futex resumed>) = 0 [pid 2852] <... futex resumed>) = 0 [pid 2858] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2857] <... futex resumed>) = 0 [pid 2855] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2854] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2852] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2858] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2857] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2855] <... symlinkat resumed>) = 0 [pid 2854] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2857] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2855] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2854] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2858] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2857] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2855] <... futex resumed>) = 1 [pid 2854] <... futex resumed>) = 0 [pid 2852] <... futex resumed>) = 0 [pid 2859] set_robust_list(0x7f85c0c359a0, 24 [pid 2857] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2855] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2854] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2852] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2859] <... set_robust_list resumed>) = 0 [pid 2858] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2857] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2855] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2852] <... futex resumed>) = 0 [pid 2859] rt_sigprocmask(SIG_SETMASK, [] [pid 2857] <... mmap resumed>) = 0x7f85c0c15000 [pid 2855] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2852] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2859] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2858] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2857] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2855] <... unlinkat resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 2859] mkdirat(AT_FDCWD, "./config", 0777 [pid 2857] <... mprotect resumed>) = 0 [pid 2855] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2854] <... futex resumed>) = 0 [pid 2859] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2858] <... futex resumed>) = 1 [pid 2857] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2855] <... futex resumed>) = 1 [pid 2854] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2852] <... futex resumed>) = 0 [pid 2859] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2858] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2857] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2855] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2854] <... futex resumed>) = 0 [pid 2852] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2859] <... futex resumed>) = 1 [pid 2858] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2857] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2856] <... futex resumed>) = 0 [pid 2855] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2854] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2852] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2859] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2858] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2856] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2855] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2854] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2852] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 2860 attached ci2-android-5-15/strace-static-x86_64: Process 2861 attached [pid 2859] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2858] <... futex resumed>) = 0 [pid 2857] <... clone3 resumed> => {parent_tid=[2860]}, 88) = 2860 [pid 2856] <... futex resumed>) = 0 [pid 2855] <... unlinkat resumed>) = 0 [pid 2854] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2861] set_robust_list(0x5555810c5760, 24 [pid 2859] mount(NULL, "./config", "configfs", 0, NULL [pid 2858] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2857] rt_sigprocmask(SIG_SETMASK, [] [pid 2856] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2855] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2861 [pid 2861] <... set_robust_list resumed>) = 0 [pid 2859] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2858] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2857] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2854] <... futex resumed>) = 0 [pid 2855] <... futex resumed>) = 1 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 2852] <... futex resumed>) = 0 [pid 2861] rt_sigprocmask(SIG_SETMASK, [] [pid 2859] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2858] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2857] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2854] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2861] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2859] <... futex resumed>) = 1 [pid 2858] <... futex resumed>) = 0 [pid 2857] <... futex resumed>) = 0 [pid 2856] <... futex resumed>) = 0 [pid 2855] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2854] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2852] exit_group(0 [pid 2861] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2859] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2858] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2857] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2856] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2861] <... prctl resumed>) = 0 [pid 2859] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2858] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2856] <... futex resumed>) = 0 [pid 2855] <... futex resumed>) = ? [pid 2854] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2852] <... exit_group resumed>) = ? [pid 2861] setpgid(0, 0 [pid 2859] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2858] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2856] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2861] <... setpgid resumed>) = 0 [pid 2859] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2855] +++ exited with 0 +++ [pid 2861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2859] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2861] <... openat resumed>) = 3 [pid 2859] <... futex resumed>) = 1 [pid 2856] <... futex resumed>) = 0 [pid 2861] write(3, "1000", 4 [pid 2859] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2856] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2852] +++ exited with 0 +++ [pid 2861] <... write resumed>) = 4 [pid 2859] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2858] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2856] <... futex resumed>) = 0 [pid 2854] <... futex resumed>) = 0 [pid 2861] close(3 [pid 2859] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2858] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2856] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2854] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2852, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2861] <... close resumed>) = 0 [pid 2859] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2858] <... futex resumed>) = 0 [pid 2854] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2861] write(1, "executing program\n", 18 [pid 2859] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2861] <... write resumed>) = 18 executing program [pid 2859] <... futex resumed>) = 1 [pid 2858] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2856] <... futex resumed>) = 0 [pid 2854] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2861] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2859] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2858] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2856] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2854] <... futex resumed>) = 0 [pid 2861] <... futex resumed>) = 0 [pid 2859] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2858] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2856] <... futex resumed>) = 0 [pid 2854] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2861] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2859] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2856] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2861] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2859] <... mkdirat resumed>) = 0 [pid 2858] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2861] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2859] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2861] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2860] set_robust_list(0x7f85c0c359a0, 24 [pid 2859] <... futex resumed>) = 1 [pid 2858] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2856] <... futex resumed>) = 0 [pid 2861] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2860] <... set_robust_list resumed>) = 0 [pid 2859] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2858] <... futex resumed>) = 1 [pid 2856] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2854] <... futex resumed>) = 0 [pid 2861] <... mmap resumed>) = 0x7f85c0c15000 [pid 2860] rt_sigprocmask(SIG_SETMASK, [] [pid 2859] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2858] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2856] <... futex resumed>) = 0 [pid 2854] exit_group(0 [pid 2861] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2860] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2859] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2856] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2861] <... mprotect resumed>) = 0 [pid 2860] mkdirat(AT_FDCWD, "./config", 0777 [pid 2859] <... symlinkat resumed>) = 0 [pid 2858] <... futex resumed>) = ? [pid 2854] <... exit_group resumed>) = ? [pid 2861] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2859] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2861] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2859] <... futex resumed>) = 1 [pid 2858] +++ exited with 0 +++ [pid 2856] <... futex resumed>) = 0 [pid 2861] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2859] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2856] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2859] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2856] <... futex resumed>) = 0 [pid 2854] +++ exited with 0 +++ [pid 2861] <... clone3 resumed> => {parent_tid=[2862]}, 88) = 2862 [pid 2860] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2859] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2856] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2854, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2861] rt_sigprocmask(SIG_SETMASK, [] [pid 2859] <... unlinkat resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2861] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2859] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2861] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2859] <... futex resumed>) = 1 [pid 2856] <... futex resumed>) = 0 [pid 2861] <... futex resumed>) = 0 [pid 2859] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2856] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2861] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2859] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2856] <... futex resumed>) = 0 [pid 2859] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2856] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2859] <... unlinkat resumed>) = 0 [pid 2859] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2856] <... futex resumed>) = 0 [pid 2859] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2856] exit_group(0 [pid 2859] <... futex resumed>) = ? [pid 2856] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 2862 attached [pid 2860] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2859] +++ exited with 0 +++ [pid 2862] set_robust_list(0x7f85c0c359a0, 24 [pid 2860] <... futex resumed>) = 1 [pid 2857] <... futex resumed>) = 0 [pid 2856] +++ exited with 0 +++ [pid 2860] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2857] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2860] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2857] <... futex resumed>) = 0 [pid 2860] mount(NULL, "./config", "configfs", 0, NULL [pid 2857] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... restart_syscall resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2856, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... restart_syscall resumed>) = 0 [pid 2860] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2860] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2860] <... futex resumed>) = 1 [pid 2857] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 2860] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2857] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 2863 attached [pid 2862] <... set_robust_list resumed>) = 0 [pid 2860] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2857] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2863] set_robust_list(0x5555810c5760, 24 [pid 2860] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2857] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2863 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2863] <... set_robust_list resumed>) = 0 [pid 2860] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 2863] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2863] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2863] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2860] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2863] <... prctl resumed>) = 0 [pid 2860] <... futex resumed>) = 1 [pid 2857] <... futex resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2864 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2863] setpgid(0, 0 [pid 2860] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2857] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2863] <... setpgid resumed>) = 0 [pid 2857] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2860] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2857] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2863] <... openat resumed>) = 3 [pid 2860] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2863] write(3, "1000", 4) = 4 [pid 2863] close(3) = 0 [pid 2860] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2863] write(1, "executing program\n", 18 [pid 2860] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2865 [pid 2863] <... write resumed>) = 18 [pid 2860] <... futex resumed>) = 1 [pid 2857] <... futex resumed>) = 0 [pid 2863] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 2857] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2863] <... futex resumed>) = 0 [pid 2860] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2857] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 2863] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2857] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2863] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2860] <... mkdirat resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2860] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2863] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2860] <... futex resumed>) = 1 [pid 2857] <... futex resumed>) = 0 [pid 2863] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2860] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2857] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2863] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2857] <... futex resumed>) = 0 [pid 2863] <... mmap resumed>) = 0x7f85c0c15000 [pid 2860] <... symlinkat resumed>) = 0 [pid 2857] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2863] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2860] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2857] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2863] <... mprotect resumed>) = 0 [pid 2860] <... futex resumed>) = 0 [pid 2857] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2865 attached [pid 2863] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2860] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2857] <... futex resumed>) = 0 [pid 2863] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2857] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2863] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2862] rt_sigprocmask(SIG_SETMASK, [] [pid 2860] <... unlinkat resumed>) = 0 [pid 2863] <... clone3 resumed> => {parent_tid=[2866]}, 88) = 2866 [pid 2863] rt_sigprocmask(SIG_SETMASK, [] [pid 2862] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2860] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2863] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2865] set_robust_list(0x5555810c5760, 24 [pid 2863] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2862] mkdirat(AT_FDCWD, "./config", 0777 [pid 2860] <... futex resumed>) = 1 [pid 2857] <... futex resumed>) = 0 [pid 2865] <... set_robust_list resumed>) = 0 [pid 2863] <... futex resumed>) = 0 [pid 2860] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2857] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2865] rt_sigprocmask(SIG_SETMASK, [] [pid 2863] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2862] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2860] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2865] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2857] <... futex resumed>) = 0 [pid 2865] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2862] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2860] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2857] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2865] <... prctl resumed>) = 0 [pid 2865] setpgid(0, 0) = 0 [pid 2860] <... unlinkat resumed>) = 0 [pid 2865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2862] <... futex resumed>) = 1 [pid 2861] <... futex resumed>) = 0 [pid 2860] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2864 attached [pid 2865] <... openat resumed>) = 3 [pid 2862] mount(NULL, "./config", "configfs", 0, NULL [pid 2861] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2866 attached [pid 2865] write(3, "1000", 4 [pid 2864] set_robust_list(0x5555810c5760, 24 [pid 2862] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2860] <... futex resumed>) = 1 [pid 2857] <... futex resumed>) = 0 [pid 2866] set_robust_list(0x7f85c0c359a0, 24 [pid 2864] <... set_robust_list resumed>) = 0 [pid 2862] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2861] <... futex resumed>) = 0 [pid 2860] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2857] exit_group(0 [pid 2866] <... set_robust_list resumed>) = 0 [pid 2865] <... write resumed>) = 4 [pid 2864] rt_sigprocmask(SIG_SETMASK, [] [pid 2861] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2865] close(3 [pid 2864] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2862] <... futex resumed>) = 0 [pid 2861] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2860] <... futex resumed>) = ? [pid 2857] <... exit_group resumed>) = ? [pid 2865] <... close resumed>) = 0 [pid 2861] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2865] write(1, "executing program\n", 18 [pid 2861] <... futex resumed>) = 0 [pid 2860] +++ exited with 0 +++ [pid 2865] <... write resumed>) = 18 [pid 2861] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2865] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2865] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2865] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2865] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2865] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2857] +++ exited with 0 +++ [pid 2865] <... mprotect resumed>) = 0 executing program [pid 2862] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2857, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2865] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2864] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2865] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2865] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[2867]}, 88) = 2867 [pid 2862] <... mkdirat resumed>) = -1 EEXIST (File exists) ci2-android-5-15/strace-static-x86_64: Process 2867 attached [pid 2866] rt_sigprocmask(SIG_SETMASK, [] [pid 2864] <... prctl resumed>) = 0 [pid 2865] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2865] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2865] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2862] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2861] <... futex resumed>) = 0 [pid 2862] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2861] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2862] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2861] <... futex resumed>) = 0 [pid 2862] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2861] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2862] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2862] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2861] <... futex resumed>) = 0 [pid 2862] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2861] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2862] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2861] <... futex resumed>) = 0 [pid 2862] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2861] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2862] <... mkdirat resumed>) = 0 [pid 2862] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2861] <... futex resumed>) = 0 [pid 2862] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2861] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2862] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2861] <... futex resumed>) = 0 [pid 2862] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2861] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2866] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2862] <... symlinkat resumed>) = 0 [pid 2864] setpgid(0, 0 [pid 2862] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2861] <... futex resumed>) = 0 [pid 2862] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2861] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2862] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2861] <... futex resumed>) = 0 [pid 2862] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2861] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2862] <... unlinkat resumed>) = 0 [pid 2862] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2861] <... futex resumed>) = 0 [pid 2862] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2861] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2862] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2861] <... futex resumed>) = 0 [pid 2862] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2861] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2864] <... setpgid resumed>) = 0 [pid 2862] <... unlinkat resumed>) = 0 [pid 2862] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2866] mkdirat(AT_FDCWD, "./config", 0777 [pid 2862] <... futex resumed>) = 1 [pid 2861] <... futex resumed>) = 0 [pid 2866] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2862] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2861] exit_group(0 [pid 2866] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2864] <... openat resumed>) = 3 [pid 2862] <... futex resumed>) = ? [pid 2861] <... exit_group resumed>) = ? [pid 304] <... restart_syscall resumed>) = 0 [pid 2867] set_robust_list(0x7f85c0c359a0, 24 [pid 2866] <... futex resumed>) = 1 [pid 2864] write(3, "1000", 4 [pid 2863] <... futex resumed>) = 0 [pid 2862] +++ exited with 0 +++ [pid 2861] +++ exited with 0 +++ [pid 2866] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2864] <... write resumed>) = 4 [pid 2863] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2866] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2864] close(3 [pid 2863] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2861, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2866] mount(NULL, "./config", "configfs", 0, NULL [pid 2864] <... close resumed>) = 0 [pid 2863] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2867] <... set_robust_list resumed>) = 0 [pid 2866] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2864] write(1, "executing program\n", 18 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2866] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2864] <... write resumed>) = 18 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2866] <... futex resumed>) = 1 [pid 2864] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2863] <... futex resumed>) = 0 [pid 2864] <... futex resumed>) = 0 [pid 2864] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2864] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2866] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2864] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2863] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2864] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2864] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2866] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2864] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2863] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2868 [pid 2866] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2864] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2863] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2866] <... futex resumed>) = 0 [pid 2864] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2863] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2869 [pid 2866] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2863] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2866] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2864] <... clone3 resumed> => {parent_tid=[2870]}, 88) = 2870 [pid 2863] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 2866] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2864] rt_sigprocmask(SIG_SETMASK, [] [pid 2863] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2866] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2864] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2866] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2864] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2866] <... futex resumed>) = 1 [pid 2864] <... futex resumed>) = 0 [pid 2863] <... futex resumed>) = 0 [pid 2866] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2864] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2863] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2866] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2863] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2868 attached [pid 2866] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2863] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2868] set_robust_list(0x5555810c5760, 24 [pid 2866] <... mkdirat resumed>) = 0 [pid 2868] <... set_robust_list resumed>) = 0 [pid 2866] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2868] rt_sigprocmask(SIG_SETMASK, [] [pid 2866] <... futex resumed>) = 1 [pid 2863] <... futex resumed>) = 0 [pid 2866] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2863] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2866] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2863] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2869 attached [pid 2866] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2863] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2866] <... symlinkat resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2870 attached [pid 2869] set_robust_list(0x5555810c5760, 24 [pid 2868] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2867] rt_sigprocmask(SIG_SETMASK, [] [pid 2866] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2869] <... set_robust_list resumed>) = 0 [pid 2868] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2866] <... futex resumed>) = 1 [pid 2863] <... futex resumed>) = 0 [pid 2866] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2863] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2870] set_robust_list(0x7f85c0c359a0, 24 [pid 2869] rt_sigprocmask(SIG_SETMASK, [] [pid 2868] <... prctl resumed>) = 0 [pid 2867] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2866] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2863] <... futex resumed>) = 0 [pid 2866] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2863] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2869] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2868] setpgid(0, 0 [pid 2866] <... unlinkat resumed>) = 0 [pid 2869] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2868] <... setpgid resumed>) = 0 [pid 2867] mkdirat(AT_FDCWD, "./config", 0777 [pid 2866] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2869] <... prctl resumed>) = 0 [pid 2868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2867] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2866] <... futex resumed>) = 1 [pid 2863] <... futex resumed>) = 0 [pid 2867] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2866] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2863] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2866] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2865] <... futex resumed>) = 0 [pid 2863] <... futex resumed>) = 0 [pid 2867] <... futex resumed>) = 1 [pid 2866] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2865] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2863] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2869] setpgid(0, 0 [pid 2868] <... openat resumed>) = 3 [pid 2867] mount(NULL, "./config", "configfs", 0, NULL [pid 2866] <... unlinkat resumed>) = 0 [pid 2865] <... futex resumed>) = 0 [pid 2866] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2865] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2867] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2866] <... futex resumed>) = 1 [pid 2863] <... futex resumed>) = 0 [pid 2870] <... set_robust_list resumed>) = 0 [pid 2867] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2866] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2863] exit_group(0 [pid 2867] <... futex resumed>) = 1 [pid 2865] <... futex resumed>) = 0 [pid 2870] rt_sigprocmask(SIG_SETMASK, [] [pid 2867] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2866] <... futex resumed>) = ? [pid 2863] <... exit_group resumed>) = ? [pid 2865] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2869] <... setpgid resumed>) = 0 [pid 2868] write(3, "1000", 4 [pid 2866] +++ exited with 0 +++ [pid 2869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2868] <... write resumed>) = 4 [pid 2869] <... openat resumed>) = 3 [pid 2868] close(3 [pid 2869] write(3, "1000", 4 [pid 2868] <... close resumed>) = 0 [pid 2863] +++ exited with 0 +++ [pid 2870] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2869] <... write resumed>) = 4 executing program [pid 2868] write(1, "executing program\n", 18 [pid 2867] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2865] <... futex resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2863, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2870] mkdirat(AT_FDCWD, "./config", 0777 [pid 2869] close(3 [pid 2868] <... write resumed>) = 18 [pid 2867] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2865] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2869] <... close resumed>) = 0 [pid 2868] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2870] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2869] write(1, "executing program\n", 18 [pid 2868] <... futex resumed>) = 0 executing program [pid 2867] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2869] <... write resumed>) = 18 [pid 2868] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2870] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2869] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2868] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2867] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2869] <... futex resumed>) = 0 [pid 2868] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2870] <... futex resumed>) = 1 [pid 2869] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2868] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2867] <... futex resumed>) = 1 [pid 2865] <... futex resumed>) = 0 [pid 2864] <... futex resumed>) = 0 [pid 2869] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2868] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2864] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2869] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2868] <... mmap resumed>) = 0x7f85c0c15000 [pid 2865] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2867] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2864] <... futex resumed>) = 0 [pid 2870] mount(NULL, "./config", "configfs", 0, NULL [pid 2869] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2868] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2867] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2865] <... futex resumed>) = 0 [pid 2864] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2871 [pid 2869] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2868] <... mprotect resumed>) = 0 [pid 2867] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2865] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 2870] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2869] <... mmap resumed>) = 0x7f85c0c15000 [pid 2868] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2867] <... futex resumed>) = 0 [pid 2865] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2870] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2869] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2868] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2867] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2865] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2870] <... futex resumed>) = 1 [pid 2869] <... mprotect resumed>) = 0 [pid 2868] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2867] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2865] <... futex resumed>) = 0 [pid 2864] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2871 attached [pid 2870] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2869] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2867] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2865] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2864] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2870] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2869] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2868] <... clone3 resumed> => {parent_tid=[2872]}, 88) = 2872 [pid 2864] <... futex resumed>) = 0 [pid 2870] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2869] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2868] rt_sigprocmask(SIG_SETMASK, [] [pid 2867] <... mkdirat resumed>) = 0 [pid 2864] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2870] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2868] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2867] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2870] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2869] <... clone3 resumed> => {parent_tid=[2873]}, 88) = 2873 [pid 2868] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2865] <... futex resumed>) = 0 [pid 2871] set_robust_list(0x5555810c5760, 24 [pid 2867] <... futex resumed>) = 1 [pid 2870] <... futex resumed>) = 1 [pid 2869] rt_sigprocmask(SIG_SETMASK, [] [pid 2868] <... futex resumed>) = 0 [pid 2867] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2865] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2864] <... futex resumed>) = 0 [pid 2870] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2869] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2868] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2867] <... symlinkat resumed>) = 0 [pid 2865] <... futex resumed>) = 0 [pid 2864] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2871] <... set_robust_list resumed>) = 0 [pid 2870] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2869] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2867] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2865] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2864] <... futex resumed>) = 0 [pid 2871] rt_sigprocmask(SIG_SETMASK, [] [pid 2870] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2869] <... futex resumed>) = 0 [pid 2867] <... futex resumed>) = 0 [pid 2865] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2864] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2871] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2870] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2869] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2867] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2865] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2871] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2870] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2867] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2871] <... prctl resumed>) = 0 [pid 2870] <... futex resumed>) = 1 [pid 2867] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2865] <... futex resumed>) = 0 [pid 2864] <... futex resumed>) = 0 [pid 2871] setpgid(0, 0 [pid 2870] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2864] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2871] <... setpgid resumed>) = 0 [pid 2870] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2867] <... unlinkat resumed>) = 0 [pid 2865] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2864] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2872 attached [pid 2871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2870] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2867] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2865] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2864] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2872] set_robust_list(0x7f85c0c359a0, 24 [pid 2870] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2867] <... futex resumed>) = 0 [pid 2865] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2871] <... openat resumed>) = 3 [pid 2870] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2867] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2865] <... futex resumed>) = 0 [pid 2872] <... set_robust_list resumed>) = 0 [pid 2871] write(3, "1000", 4 [pid 2870] <... futex resumed>) = 1 [pid 2864] <... futex resumed>) = 0 [pid 2872] rt_sigprocmask(SIG_SETMASK, [] [pid 2871] <... write resumed>) = 4 [pid 2870] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2867] <... unlinkat resumed>) = 0 [pid 2865] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2864] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2872] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2871] close(3 [pid 2870] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2867] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2865] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2864] <... futex resumed>) = 0 [pid 2872] mkdirat(AT_FDCWD, "./config", 0777 [pid 2871] <... close resumed>) = 0 [pid 2870] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2867] <... futex resumed>) = 0 [pid 2865] exit_group(0 [pid 2864] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2873 attached [pid 2872] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2871] write(1, "executing program\n", 18 [pid 2870] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2865] <... exit_group resumed>) = ? [pid 2870] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2867] +++ exited with 0 +++ [pid 2873] set_robust_list(0x7f85c0c359a0, 24 [pid 2872] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2873] <... set_robust_list resumed>) = 0 [pid 2872] <... futex resumed>) = 1 [pid 2873] rt_sigprocmask(SIG_SETMASK, [] [pid 2872] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2873] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2873] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 2865] +++ exited with 0 +++ [pid 2873] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2868] <... futex resumed>) = 0 executing program [pid 2873] <... futex resumed>) = 1 [pid 2871] <... write resumed>) = 18 [pid 2870] <... futex resumed>) = 1 [pid 2869] <... futex resumed>) = 0 [pid 2868] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2864] <... futex resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2865, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2873] mount(NULL, "./config", "configfs", 0, NULL [pid 2872] <... futex resumed>) = 0 [pid 2871] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2870] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2869] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2868] <... futex resumed>) = 1 [pid 2864] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2873] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2872] mount(NULL, "./config", "configfs", 0, NULL [pid 2871] <... futex resumed>) = 0 [pid 2870] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2869] <... futex resumed>) = 0 [pid 2868] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2864] <... futex resumed>) = 0 [pid 2873] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2872] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2871] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2870] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2869] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2864] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2873] <... futex resumed>) = 0 [pid 2872] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2871] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2870] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2869] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2873] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2872] <... futex resumed>) = 1 [pid 2871] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2870] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2869] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2868] <... futex resumed>) = 0 [pid 2873] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2872] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2871] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2870] <... futex resumed>) = 1 [pid 2869] <... futex resumed>) = 0 [pid 2868] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2864] <... futex resumed>) = 0 [pid 2873] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2872] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2871] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2870] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2869] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2868] <... futex resumed>) = 0 [pid 2873] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2872] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2871] <... mmap resumed>) = 0x7f85c0c15000 [pid 2870] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2868] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2864] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2873] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2872] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2871] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2870] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2864] <... futex resumed>) = 0 [pid 2873] <... futex resumed>) = 1 [pid 2872] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2871] <... mprotect resumed>) = 0 [pid 2869] <... futex resumed>) = 0 [pid 2870] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2873] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2872] <... futex resumed>) = 1 [pid 2871] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2870] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2869] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2868] <... futex resumed>) = 0 [pid 2864] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2873] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2872] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2871] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2870] <... futex resumed>) = 0 [pid 2869] <... futex resumed>) = 0 [pid 2868] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2864] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2873] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2872] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2871] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2870] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2869] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2868] <... futex resumed>) = 0 [pid 2864] exit_group(0 [pid 2873] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2872] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2870] <... futex resumed>) = ? [pid 2868] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2864] <... exit_group resumed>) = ? [pid 305] <... restart_syscall resumed>) = 0 [pid 2873] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2872] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2871] <... clone3 resumed> => {parent_tid=[2874]}, 88) = 2874 [pid 2870] +++ exited with 0 +++ [pid 2872] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2868] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2872] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2868] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2864] +++ exited with 0 +++ [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2873] <... futex resumed>) = 1 [pid 2872] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2871] rt_sigprocmask(SIG_SETMASK, [] [pid 2869] <... futex resumed>) = 0 [pid 2868] <... futex resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2864, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2873] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2872] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2871] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2869] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2868] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2873] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2872] <... mkdirat resumed>) = 0 [pid 2871] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2869] <... futex resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2875 [pid 2873] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2872] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2871] <... futex resumed>) = 0 [pid 2869] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 2873] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2872] <... futex resumed>) = 1 [pid 2871] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2868] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2873] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2872] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2868] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2873] <... futex resumed>) = 1 [pid 2872] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2869] <... futex resumed>) = 0 [pid 2868] <... futex resumed>) = 0 [pid 2873] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2872] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2869] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2868] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2875 attached [pid 2873] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2872] <... symlinkat resumed>) = 0 [pid 2869] <... futex resumed>) = 0 [pid 2875] set_robust_list(0x5555810c5760, 24 [pid 2873] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2872] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2869] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2873] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 2872] <... futex resumed>) = 1 [pid 2868] <... futex resumed>) = 0 [pid 2873] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2872] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2868] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2873] <... futex resumed>) = 1 [pid 2872] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2869] <... futex resumed>) = 0 [pid 2868] <... futex resumed>) = 0 [pid 2873] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2872] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2869] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2868] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2875] <... set_robust_list resumed>) = 0 [pid 2873] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2872] <... unlinkat resumed>) = 0 [pid 2869] <... futex resumed>) = 0 [pid 2873] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2872] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2869] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2873] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2872] <... futex resumed>) = 1 [pid 2868] <... futex resumed>) = 0 [pid 2873] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2872] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2868] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2873] <... futex resumed>) = 1 [pid 2872] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2869] <... futex resumed>) = 0 [pid 2868] <... futex resumed>) = 0 [pid 2873] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2872] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2869] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2868] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2873] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2872] <... unlinkat resumed>) = 0 [pid 2869] <... futex resumed>) = 0 [pid 2873] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2872] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2873] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2872] <... futex resumed>) = 1 [pid 2875] rt_sigprocmask(SIG_SETMASK, [] [pid 2869] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2868] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2874 attached [pid 2875] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2873] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2872] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2869] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2868] exit_group(0 [pid 2875] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2874] set_robust_list(0x7f85c0c359a0, 24 [pid 2873] <... futex resumed>) = 0 [pid 2872] <... futex resumed>) = ? [pid 2869] exit_group(0 [pid 2868] <... exit_group resumed>) = ? [pid 2875] <... prctl resumed>) = 0 [pid 2874] <... set_robust_list resumed>) = 0 [pid 2872] +++ exited with 0 +++ [pid 2869] <... exit_group resumed>) = ? [pid 2868] +++ exited with 0 +++ [pid 2873] +++ exited with 0 +++ [pid 2874] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2874] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 2874] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2874] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2869] +++ exited with 0 +++ [pid 2871] <... futex resumed>) = 0 [pid 2875] setpgid(0, 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2868, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2871] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2875] <... setpgid resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2871] <... futex resumed>) = 1 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2869, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2871] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2875] <... openat resumed>) = 3 [pid 2874] <... futex resumed>) = 0 [pid 2874] mount(NULL, "./config", "configfs", 0, NULL [pid 2875] write(3, "1000", 4 [pid 2874] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2874] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2871] <... futex resumed>) = 0 [pid 2875] <... write resumed>) = 4 [pid 2871] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2874] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2875] close(3 [pid 2871] <... futex resumed>) = 0 [pid 2874] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2871] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2875] <... close resumed>) = 0 [pid 2874] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2871] <... futex resumed>) = 0 [pid 2875] write(1, "executing program\n", 18 [pid 2871] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 2874] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2871] <... futex resumed>) = 0 [pid 2875] <... write resumed>) = 18 [pid 2871] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2875] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2874] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2874] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2871] <... futex resumed>) = 0 [pid 2875] <... futex resumed>) = 0 [pid 2871] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2875] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2871] <... futex resumed>) = 0 [pid 2875] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2871] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2875] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2874] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2875] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2874] <... mkdirat resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 2874] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2875] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2874] <... futex resumed>) = 1 [pid 2871] <... futex resumed>) = 0 [pid 2874] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2871] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2875] <... mmap resumed>) = 0x7f85c0c15000 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2875] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2874] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2871] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2875] <... mprotect resumed>) = 0 [pid 2874] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2871] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 2876 attached [pid 2875] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2874] <... symlinkat resumed>) = 0 [pid 2874] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2876 [pid 2874] <... futex resumed>) = 1 [pid 2871] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2874] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2871] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2875] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2874] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2871] <... futex resumed>) = 0 [pid 2876] set_robust_list(0x5555810c5760, 24 [pid 2875] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2874] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2871] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 2874] <... unlinkat resumed>) = 0 [pid 2876] <... set_robust_list resumed>) = 0 [pid 2875] <... clone3 resumed> => {parent_tid=[2877]}, 88) = 2877 [pid 2874] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2875] rt_sigprocmask(SIG_SETMASK, [] [pid 2874] <... futex resumed>) = 1 [pid 2871] <... futex resumed>) = 0 [pid 2875] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2874] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2871] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2875] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2874] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2871] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2875] <... futex resumed>) = 0 [pid 2874] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2871] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2875] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2874] <... unlinkat resumed>) = 0 [pid 2874] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2874] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 2877 attached [pid 2877] set_robust_list(0x7f85c0c359a0, 24 [pid 2871] <... futex resumed>) = 0 [pid 2877] <... set_robust_list resumed>) = 0 [pid 2877] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2877] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 2877] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2871] exit_group(0 [pid 2875] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2874] <... futex resumed>) = ? [pid 2871] <... exit_group resumed>) = ? [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2878 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2879 [pid 2875] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2874] +++ exited with 0 +++ [pid 2877] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 2877] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2877] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2871] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 2878 attached [pid 2875] <... futex resumed>) = 1 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 2875] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2871, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2875] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 2875] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2875] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2877] <... futex resumed>) = 0 [pid 2877] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 2877] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2875] <... futex resumed>) = 0 [pid 2877] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2875] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2877] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2875] <... futex resumed>) = 0 [pid 2877] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2875] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2877] <... futex resumed>) = 0 [pid 2875] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2877] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2875] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2879 attached [pid 2877] <... mkdirat resumed>) = 0 [pid 2876] rt_sigprocmask(SIG_SETMASK, [] [pid 2875] <... futex resumed>) = 0 [pid 2877] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2875] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2877] <... futex resumed>) = 0 [pid 2875] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2877] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2875] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2877] <... symlinkat resumed>) = 0 [pid 2875] <... futex resumed>) = 0 [pid 2879] set_robust_list(0x5555810c5760, 24 [pid 2876] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2875] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2877] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2875] <... futex resumed>) = 0 [pid 2877] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2875] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2879] <... set_robust_list resumed>) = 0 [pid 2877] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2876] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2875] <... futex resumed>) = 0 [pid 2877] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 2875] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2877] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2875] <... futex resumed>) = 0 [pid 2877] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2875] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2877] <... unlinkat resumed>) = 0 [pid 2876] <... prctl resumed>) = 0 [pid 2875] <... futex resumed>) = 0 [pid 2879] rt_sigprocmask(SIG_SETMASK, [] [pid 2876] setpgid(0, 0 [pid 2875] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2877] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2876] <... setpgid resumed>) = 0 [pid 2877] <... futex resumed>) = 1 [pid 2875] <... futex resumed>) = 0 [pid 2877] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2875] exit_group(0 [pid 2877] <... futex resumed>) = ? [pid 2875] <... exit_group resumed>) = ? [pid 2877] +++ exited with 0 +++ [pid 2878] set_robust_list(0x5555810c5760, 24) = 0 [pid 2878] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2875] +++ exited with 0 +++ [pid 2878] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2875, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2876] <... openat resumed>) = 3 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2878] setpgid(0, 0 [pid 2876] write(3, "1000", 4 [pid 2878] <... setpgid resumed>) = 0 [pid 2879] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2876] <... write resumed>) = 4 [pid 311] <... restart_syscall resumed>) = 0 [pid 2878] <... openat resumed>) = 3 [pid 2876] close(3 [pid 2878] write(3, "1000", 4 [pid 2876] <... close resumed>) = 0 [pid 2878] <... write resumed>) = 4 [pid 2876] write(1, "executing program\n", 18 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2878] close(3 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2876] <... write resumed>) = 18 executing program [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2878] <... close resumed>) = 0 [pid 2878] write(1, "executing program\n", 18) = 18 [pid 2878] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2878] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2876] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2878] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2880 executing program [pid 2878] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2876] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 2878] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2876] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2878] <... mmap resumed>) = 0x7f85c0c15000 [pid 2876] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2878] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2876] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2878] <... mprotect resumed>) = 0 [pid 2876] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2878] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2876] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 2879] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2878] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2879] <... prctl resumed>) = 0 [pid 2876] <... mmap resumed>) = 0x7f85c0c15000 [pid 2879] setpgid(0, 0 [pid 2876] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2878] <... clone3 resumed> => {parent_tid=[2881]}, 88) = 2881 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2879] <... setpgid resumed>) = 0 [pid 2876] <... mprotect resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2878] rt_sigprocmask(SIG_SETMASK, [] [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2876] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2878] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2878] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2878] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2880 attached [pid 2880] set_robust_list(0x5555810c5760, 24 [pid 2876] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2882 [pid 2876] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2880] <... set_robust_list resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2880] rt_sigprocmask(SIG_SETMASK, [] [pid 2879] <... openat resumed>) = 3 [pid 2876] <... clone3 resumed> => {parent_tid=[2883]}, 88) = 2883 [pid 2880] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2880] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2880] setpgid(0, 0ci2-android-5-15/strace-static-x86_64: Process 2883 attached ci2-android-5-15/strace-static-x86_64: Process 2881 attached ) = 0 [pid 2879] write(3, "1000", 4 [pid 2876] rt_sigprocmask(SIG_SETMASK, [] [pid 2880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2879] <... write resumed>) = 4 [pid 2876] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2880] <... openat resumed>) = 3 [pid 2879] close(3 [pid 2876] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2883] set_robust_list(0x7f85c0c359a0, 24 [pid 2876] <... futex resumed>) = 0 [pid 2879] <... close resumed>) = 0 [pid 2876] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2879] write(1, "executing program\n", 18) = 18 executing program [pid 2880] write(3, "1000", 4) = 4 [pid 2880] close(3) = 0 executing program [pid 2880] write(1, "executing program\n", 18) = 18 [pid 2880] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2880] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2880] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2883] <... set_robust_list resumed>) = 0 [pid 2881] set_robust_list(0x7f85c0c359a0, 24 [pid 2880] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2879] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2880] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2879] <... futex resumed>) = 0 [pid 2880] <... mmap resumed>) = 0x7f85c0c15000 [pid 2879] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2880] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2879] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2880] <... mprotect resumed>) = 0 [pid 2879] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2880] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2879] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2883] rt_sigprocmask(SIG_SETMASK, [] [pid 2881] <... set_robust_list resumed>) = 0 [pid 2880] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2879] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2880] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2879] <... mmap resumed>) = 0x7f85c0c15000 [pid 2883] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2881] rt_sigprocmask(SIG_SETMASK, [] [pid 2879] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2883] mkdirat(AT_FDCWD, "./config", 0777 [pid 2881] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2879] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2880] <... clone3 resumed> => {parent_tid=[2884]}, 88) = 2884 [pid 2879] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2883] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2881] mkdirat(AT_FDCWD, "./config", 0777 [pid 2883] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2879] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0}ci2-android-5-15/strace-static-x86_64: Process 2882 attached [pid 2880] rt_sigprocmask(SIG_SETMASK, [] [pid 2883] <... futex resumed>) = 1 [pid 2882] set_robust_list(0x5555810c5760, 24 [pid 2880] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2881] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2876] <... futex resumed>) = 0 [pid 2883] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2879] <... clone3 resumed> => {parent_tid=[2885]}, 88) = 2885 [pid 2876] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2881] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2883] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2879] rt_sigprocmask(SIG_SETMASK, [] [pid 2876] <... futex resumed>) = 0 [pid 2879] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2883] mount(NULL, "./config", "configfs", 0, NULL [pid 2882] <... set_robust_list resumed>) = 0 [pid 2881] <... futex resumed>) = 1 [pid 2880] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2879] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2878] <... futex resumed>) = 0 [pid 2876] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2882] rt_sigprocmask(SIG_SETMASK, [] [pid 2880] <... futex resumed>) = 0 [pid 2879] <... futex resumed>) = 0 [pid 2878] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2881] mount(NULL, "./config", "configfs", 0, NULL [pid 2883] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2882] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2880] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2879] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2878] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2885 attached [pid 2883] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2882] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2881] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2878] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2885] set_robust_list(0x7f85c0c359a0, 24 [pid 2883] <... futex resumed>) = 1 [pid 2882] <... prctl resumed>) = 0 [pid 2881] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2878] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2876] <... futex resumed>) = 0 [pid 2885] <... set_robust_list resumed>) = 0 [pid 2883] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2882] setpgid(0, 0 [pid 2881] <... futex resumed>) = 0 [pid 2878] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2876] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2882] <... setpgid resumed>) = 0 [pid 2878] <... futex resumed>) = 0 [pid 2876] <... futex resumed>) = 0 [pid 2885] rt_sigprocmask(SIG_SETMASK, [] [pid 2883] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2881] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2878] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2876] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2885] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2883] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2882] <... openat resumed>) = 3 [pid 2881] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2883] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2882] write(3, "1000", 4 [pid 2881] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2883] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2882] <... write resumed>) = 4 [pid 2881] <... futex resumed>) = 1 [pid 2878] <... futex resumed>) = 0 [pid 2883] <... futex resumed>) = 1 [pid 2882] close(3 [pid 2881] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2878] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2876] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2884 attached [pid 2885] mkdirat(AT_FDCWD, "./config", 0777 [pid 2883] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2882] <... close resumed>) = 0 [pid 2881] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2878] <... futex resumed>) = 0 [pid 2876] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2885] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2884] set_robust_list(0x7f85c0c359a0, 24 [pid 2883] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2882] write(1, "executing program\n", 18 [pid 2881] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2878] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2876] <... futex resumed>) = 0 executing program [pid 2885] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2884] <... set_robust_list resumed>) = 0 [pid 2883] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2882] <... write resumed>) = 18 [pid 2881] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2876] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2885] <... futex resumed>) = 1 [pid 2884] rt_sigprocmask(SIG_SETMASK, [] [pid 2883] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2882] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2881] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2879] <... futex resumed>) = 0 [pid 2885] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2884] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2883] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2882] <... futex resumed>) = 0 [pid 2881] <... futex resumed>) = 1 [pid 2879] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2878] <... futex resumed>) = 0 [pid 2885] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2884] mkdirat(AT_FDCWD, "./config", 0777 [pid 2883] <... futex resumed>) = 1 [pid 2882] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2881] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2879] <... futex resumed>) = 0 [pid 2878] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2876] <... futex resumed>) = 0 [pid 2885] mount(NULL, "./config", "configfs", 0, NULL [pid 2884] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2883] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2882] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2881] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2879] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2878] <... futex resumed>) = 0 [pid 2876] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2885] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2884] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2883] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2882] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2881] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2878] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2876] <... futex resumed>) = 0 [pid 2885] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2884] <... futex resumed>) = 1 [pid 2883] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2882] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2881] <... mkdirat resumed>) = 0 [pid 2880] <... futex resumed>) = 0 [pid 2876] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2885] <... futex resumed>) = 1 [pid 2884] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2883] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2882] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2881] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2880] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2879] <... futex resumed>) = 0 [pid 2885] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2884] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2883] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2882] <... mmap resumed>) = 0x7f85c0c15000 [pid 2881] <... futex resumed>) = 1 [pid 2880] <... futex resumed>) = 0 [pid 2879] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2878] <... futex resumed>) = 0 [pid 2885] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2884] mount(NULL, "./config", "configfs", 0, NULL [pid 2883] <... futex resumed>) = 1 [pid 2882] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2881] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2880] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2879] <... futex resumed>) = 0 [pid 2878] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2876] <... futex resumed>) = 0 [pid 2884] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2882] <... mprotect resumed>) = 0 [pid 2878] <... futex resumed>) = 0 [pid 2885] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2884] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2883] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2882] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2881] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2879] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2878] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2876] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2885] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2884] <... futex resumed>) = 1 [pid 2883] <... symlinkat resumed>) = 0 [pid 2882] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2881] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2880] <... futex resumed>) = 0 [pid 2876] <... futex resumed>) = 0 [pid 2885] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2884] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2883] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2882] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2881] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 2880] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2876] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2886 attached [pid 2885] <... futex resumed>) = 1 [pid 2884] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2883] <... futex resumed>) = 0 [pid 2881] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2880] <... futex resumed>) = 0 [pid 2879] <... futex resumed>) = 0 [pid 2876] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2885] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2884] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2883] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2882] <... clone3 resumed> => {parent_tid=[2886]}, 88) = 2886 [pid 2881] <... futex resumed>) = 1 [pid 2880] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2879] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2878] <... futex resumed>) = 0 [pid 2876] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2885] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2884] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2883] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2882] rt_sigprocmask(SIG_SETMASK, [] [pid 2881] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2879] <... futex resumed>) = 0 [pid 2878] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2876] <... futex resumed>) = 0 [pid 2885] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2884] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2883] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2882] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2881] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2879] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2878] <... futex resumed>) = 0 [pid 2876] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2885] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2884] <... futex resumed>) = 1 [pid 2883] <... unlinkat resumed>) = 0 [pid 2882] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2881] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2880] <... futex resumed>) = 0 [pid 2878] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2885] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2884] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2883] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2882] <... futex resumed>) = 0 [pid 2881] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2880] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2886] set_robust_list(0x7f85c0c359a0, 24 [pid 2885] <... futex resumed>) = 1 [pid 2884] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2883] <... futex resumed>) = 1 [pid 2882] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2881] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2880] <... futex resumed>) = 0 [pid 2879] <... futex resumed>) = 0 [pid 2876] <... futex resumed>) = 0 [pid 2885] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2884] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2883] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2881] <... futex resumed>) = 1 [pid 2880] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2879] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2878] <... futex resumed>) = 0 [pid 2876] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2885] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2884] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2883] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2881] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2879] <... futex resumed>) = 0 [pid 2878] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2876] <... futex resumed>) = 0 [pid 2886] <... set_robust_list resumed>) = 0 [pid 2885] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2884] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2883] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2881] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2879] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2878] <... futex resumed>) = 0 [pid 2876] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2885] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2884] <... futex resumed>) = 1 [pid 2880] <... futex resumed>) = 0 [pid 2883] <... unlinkat resumed>) = 0 [pid 2878] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2881] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2885] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2884] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2883] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2880] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2885] <... futex resumed>) = 1 [pid 2884] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2883] <... futex resumed>) = 1 [pid 2881] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2880] <... futex resumed>) = 0 [pid 2879] <... futex resumed>) = 0 [pid 2876] <... futex resumed>) = 0 [pid 2885] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2884] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2883] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2881] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2880] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2879] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2876] exit_group(0 [pid 2886] rt_sigprocmask(SIG_SETMASK, [] [pid 2885] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2884] <... mkdirat resumed>) = 0 [pid 2883] <... futex resumed>) = ? [pid 2881] <... futex resumed>) = 1 [pid 2879] <... futex resumed>) = 0 [pid 2878] <... futex resumed>) = 0 [pid 2876] <... exit_group resumed>) = ? [pid 2885] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2884] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2883] +++ exited with 0 +++ [pid 2881] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2879] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2878] exit_group(0 [pid 2884] <... futex resumed>) = 1 [pid 2880] <... futex resumed>) = 0 [pid 2878] <... exit_group resumed>) = ? [pid 2884] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2880] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2876] +++ exited with 0 +++ [pid 2884] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2880] <... futex resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2876, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2885] <... symlinkat resumed>) = 0 [pid 2884] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2881] <... futex resumed>) = ? [pid 2880] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2885] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2884] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 2884] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2880] <... futex resumed>) = 0 [pid 2884] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2880] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2884] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2880] <... futex resumed>) = 0 [pid 2884] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2880] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2885] <... futex resumed>) = 1 [pid 2884] <... unlinkat resumed>) = 0 [pid 2881] +++ exited with 0 +++ [pid 2879] <... futex resumed>) = 0 [pid 2878] +++ exited with 0 +++ [pid 2885] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2884] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2879] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2885] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2884] <... futex resumed>) = 1 [pid 2880] <... futex resumed>) = 0 [pid 2879] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2878, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2885] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2884] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2880] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2879] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2886] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2885] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2884] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2880] <... futex resumed>) = 0 [pid 2886] mkdirat(AT_FDCWD, "./config", 0777 [pid 2885] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2884] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2880] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2886] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2885] <... futex resumed>) = 1 [pid 2884] <... unlinkat resumed>) = 0 [pid 2879] <... futex resumed>) = 0 [pid 2886] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2885] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2884] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2879] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2886] <... futex resumed>) = 1 [pid 2885] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2884] <... futex resumed>) = 1 [pid 2882] <... futex resumed>) = 0 [pid 2880] <... futex resumed>) = 0 [pid 2879] <... futex resumed>) = 0 [pid 2886] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2885] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2884] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2882] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2880] exit_group(0 [pid 2879] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... restart_syscall resumed>) = 0 [pid 2886] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2885] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2884] <... futex resumed>) = ? [pid 2882] <... futex resumed>) = 0 [pid 2880] <... exit_group resumed>) = ? [pid 2886] mount(NULL, "./config", "configfs", 0, NULL [pid 2885] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2884] +++ exited with 0 +++ [pid 2882] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2880] +++ exited with 0 +++ [pid 2885] <... futex resumed>) = 1 [pid 2879] <... futex resumed>) = 0 [pid 2885] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2880, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2879] exit_group(0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2886] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2885] <... futex resumed>) = ? [pid 2879] <... exit_group resumed>) = ? [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2885] +++ exited with 0 +++ [pid 2886] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2882] <... futex resumed>) = 0 [pid 2886] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2882] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2886] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2882] <... futex resumed>) = 0 [pid 2879] +++ exited with 0 +++ [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2886] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2882] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 2882] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2882] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2886] <... futex resumed>) = 1 [pid 2882] <... futex resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2879, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 2887 attached [pid 2886] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2882] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2887 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2887] set_robust_list(0x5555810c5760, 24 [pid 2886] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 2887] <... set_robust_list resumed>) = 0 [pid 2886] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2886] <... futex resumed>) = 1 [pid 2882] <... futex resumed>) = 0 [pid 2886] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2882] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2887] rt_sigprocmask(SIG_SETMASK, [] [pid 2886] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2882] <... futex resumed>) = 0 [pid 2886] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2882] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2887] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2887] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2886] <... mkdirat resumed>) = 0 [pid 2887] <... prctl resumed>) = 0 [pid 2886] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2887] setpgid(0, 0 [pid 2886] <... futex resumed>) = 1 [pid 2882] <... futex resumed>) = 0 [pid 2887] <... setpgid resumed>) = 0 [pid 2886] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2882] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2886] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2882] <... futex resumed>) = 0 [pid 2886] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2882] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2887] <... openat resumed>) = 3 [pid 2886] <... symlinkat resumed>) = 0 [pid 2887] write(3, "1000", 4 [pid 2886] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2887] <... write resumed>) = 4 [pid 2882] <... futex resumed>) = 0 [pid 2887] close(3 [pid 2886] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2882] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2886] <... unlinkat resumed>) = 0 [pid 2882] <... futex resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 2887] <... close resumed>) = 0 [pid 2886] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2882] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2887] write(1, "executing program\n", 18 [pid 2886] <... futex resumed>) = 0 [pid 2882] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2887] <... write resumed>) = 18 executing program [pid 2886] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2882] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2887] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2886] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2882] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2887] <... futex resumed>) = 0 [pid 2886] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2882] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... restart_syscall resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2887] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2886] <... unlinkat resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2888 attached [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2888 [pid 2887] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2886] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2887] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2886] <... futex resumed>) = 1 [pid 2882] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2887] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2886] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2882] exit_group(0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2887] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2886] <... futex resumed>) = ? [pid 2882] <... exit_group resumed>) = ? [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2888] set_robust_list(0x5555810c5760, 24 [pid 2887] <... mmap resumed>) = 0x7f85c0c15000 [pid 2886] +++ exited with 0 +++ [pid 2882] +++ exited with 0 +++ [pid 2887] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2882, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2889 [pid 2888] <... set_robust_list resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2889 attached [pid 2887] <... mprotect resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 2888] rt_sigprocmask(SIG_SETMASK, [] [pid 2887] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2888] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2887] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2888] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2887] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2888] <... prctl resumed>) = 0 [pid 2888] setpgid(0, 0) = 0 [pid 2888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2889] set_robust_list(0x5555810c5760, 24 [pid 2888] <... openat resumed>) = 3 [pid 2887] <... clone3 resumed> => {parent_tid=[2890]}, 88) = 2890 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... restart_syscall resumed>) = 0 [pid 2888] write(3, "1000", 4 [pid 2887] rt_sigprocmask(SIG_SETMASK, [] [pid 2888] <... write resumed>) = 4 [pid 2888] close(3) = 0 [pid 2888] write(1, "executing program\n", 18) = 18 [pid 2888] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 2888] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2887] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2888] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2887] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2891 [pid 2888] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2887] <... futex resumed>) = 0 [pid 2888] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 2887] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2888] <... mmap resumed>) = 0x7f85c0c15000 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2888] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2888] <... mprotect resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2888] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2888] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[2892]}, 88) = 2892 [pid 2888] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2888] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2893 [pid 2888] <... futex resumed>) = 0 [pid 2888] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 2890 attached , NULL, 8) = 0 [pid 2890] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2890] rt_sigprocmask(SIG_SETMASK, [] [pid 2889] <... set_robust_list resumed>) = 0 [pid 2890] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2890] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 2890] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2887] <... futex resumed>) = 0 [pid 2890] mount(NULL, "./config", "configfs", 0, NULL [pid 2887] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2890] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2887] <... futex resumed>) = 0 [pid 2890] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2887] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2890] <... futex resumed>) = 0 [pid 2887] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2890] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2887] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2890] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2887] <... futex resumed>) = 0 [pid 2890] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2887] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2890] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2890] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2887] <... futex resumed>) = 0 [pid 2889] rt_sigprocmask(SIG_SETMASK, [] [pid 2887] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2890] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2889] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2887] <... futex resumed>) = 0 [pid 2890] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2889] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2887] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2890] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2889] <... prctl resumed>) = 0 [pid 2890] <... futex resumed>) = 1 [pid 2889] setpgid(0, 0 [pid 2887] <... futex resumed>) = 0 [pid 2890] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2889] <... setpgid resumed>) = 0 [pid 2887] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2890] <... mkdirat resumed>) = 0 [pid 2889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2887] <... futex resumed>) = 0 [pid 2890] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2887] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2889] <... openat resumed>) = 3 [pid 2887] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2890] <... futex resumed>) = 0 [pid 2889] write(3, "1000", 4 [pid 2887] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2890] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2887] <... futex resumed>) = 0 [pid 2889] <... write resumed>) = 4 [pid 2887] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2889] close(3 [pid 2890] <... symlinkat resumed>) = 0 [pid 2889] <... close resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2893 attached ci2-android-5-15/strace-static-x86_64: Process 2891 attached [pid 2890] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2889] write(1, "executing program\n", 18 [pid 2890] <... futex resumed>) = 1 [pid 2889] <... write resumed>) = 18 [pid 2887] <... futex resumed>) = 0 executing program [pid 2890] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2887] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2889] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2887] <... futex resumed>) = 0 [pid 2889] <... futex resumed>) = 0 [pid 2887] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2892 attached [pid 2890] <... unlinkat resumed>) = 0 [pid 2889] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2893] set_robust_list(0x5555810c5760, 24 [pid 2892] set_robust_list(0x7f85c0c359a0, 24 [pid 2891] set_robust_list(0x5555810c5760, 24 [pid 2892] <... set_robust_list resumed>) = 0 [pid 2890] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2893] <... set_robust_list resumed>) = 0 [pid 2892] rt_sigprocmask(SIG_SETMASK, [] [pid 2891] <... set_robust_list resumed>) = 0 [pid 2890] <... futex resumed>) = 1 [pid 2889] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2887] <... futex resumed>) = 0 [pid 2892] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2890] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2889] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2887] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2893] rt_sigprocmask(SIG_SETMASK, [] [pid 2892] mkdirat(AT_FDCWD, "./config", 0777 [pid 2891] rt_sigprocmask(SIG_SETMASK, [] [pid 2890] <... unlinkat resumed>) = 0 [pid 2889] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2887] <... futex resumed>) = 0 [pid 2891] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2889] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2887] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2893] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2889] <... mmap resumed>) = 0x7f85c0c15000 [pid 2892] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2891] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2890] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2889] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2893] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2892] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2891] <... prctl resumed>) = 0 [pid 2890] <... futex resumed>) = 1 [pid 2887] <... futex resumed>) = 0 [pid 2892] <... futex resumed>) = 1 [pid 2890] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2889] <... mprotect resumed>) = 0 [pid 2888] <... futex resumed>) = 0 [pid 2893] <... prctl resumed>) = 0 [pid 2892] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2891] setpgid(0, 0 [pid 2889] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2888] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2887] exit_group(0 [pid 2893] setpgid(0, 0 [pid 2892] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2891] <... setpgid resumed>) = 0 [pid 2890] <... futex resumed>) = ? [pid 2889] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2888] <... futex resumed>) = 0 [pid 2887] <... exit_group resumed>) = ? [pid 2893] <... setpgid resumed>) = 0 [pid 2892] mount(NULL, "./config", "configfs", 0, NULL [pid 2891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2890] +++ exited with 0 +++ [pid 2889] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2888] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2887] +++ exited with 0 +++ [pid 2892] <... mount resumed>) = -1 EBUSY (Device or resource busy) ci2-android-5-15/strace-static-x86_64: Process 2894 attached [pid 2893] <... openat resumed>) = 3 [pid 2892] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2891] <... openat resumed>) = 3 [pid 2889] <... clone3 resumed> => {parent_tid=[2894]}, 88) = 2894 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2887, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2894] set_robust_list(0x7f85c0c359a0, 24 [pid 2893] write(3, "1000", 4 [pid 2892] <... futex resumed>) = 1 [pid 2891] write(3, "1000", 4 [pid 2889] rt_sigprocmask(SIG_SETMASK, [] [pid 2888] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2894] <... set_robust_list resumed>) = 0 [pid 2893] <... write resumed>) = 4 [pid 2892] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2891] <... write resumed>) = 4 [pid 2889] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2888] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2894] rt_sigprocmask(SIG_SETMASK, [] [pid 2893] close(3 [pid 2892] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2891] close(3 [pid 2889] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2888] <... futex resumed>) = 0 [pid 2894] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2893] <... close resumed>) = 0 [pid 2892] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2891] <... close resumed>) = 0 [pid 2889] <... futex resumed>) = 0 [pid 2888] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2893] write(1, "executing program\n", 18 [pid 2892] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2891] write(1, "executing program\n", 18 executing program executing program [pid 2889] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2894] mkdirat(AT_FDCWD, "./config", 0777 [pid 2893] <... write resumed>) = 18 [pid 2892] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2891] <... write resumed>) = 18 [pid 2894] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2893] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2892] <... futex resumed>) = 1 [pid 2888] <... futex resumed>) = 0 [pid 2894] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2893] <... futex resumed>) = 0 [pid 2892] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2891] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2888] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... restart_syscall resumed>) = 0 [pid 2894] <... futex resumed>) = 1 [pid 2893] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2892] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2891] <... futex resumed>) = 0 [pid 2889] <... futex resumed>) = 0 [pid 2888] <... futex resumed>) = 0 [pid 2894] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2893] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2892] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2891] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2889] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2888] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2894] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2893] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2892] <... futex resumed>) = 0 [pid 2891] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2889] <... futex resumed>) = 0 [pid 2888] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2894] mount(NULL, "./config", "configfs", 0, NULL [pid 2893] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2892] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2891] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2889] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2888] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2894] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2893] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2892] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2891] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2888] <... futex resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2894] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2893] <... mmap resumed>) = 0x7f85c0c15000 [pid 2892] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2891] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2888] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2893] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2893] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2893] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2892] <... mkdirat resumed>) = 0 [pid 2891] <... mmap resumed>) = 0x7f85c0c15000 [pid 2889] <... futex resumed>) = 0 [pid 2894] <... futex resumed>) = 1 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2895 [pid 2894] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2893] <... clone3 resumed> => {parent_tid=[2896]}, 88) = 2896 [pid 2892] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2891] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2889] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2894] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2893] rt_sigprocmask(SIG_SETMASK, [] [pid 2892] <... futex resumed>) = 1 [pid 2891] <... mprotect resumed>) = 0 [pid 2889] <... futex resumed>) = 0 [pid 2888] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 2894] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2893] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2892] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2891] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2889] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2888] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2894] <... futex resumed>) = 0 [pid 2893] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2892] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2891] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2889] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2888] <... futex resumed>) = 0 [pid 2894] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2893] <... futex resumed>) = 0 [pid 2892] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2891] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2889] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2888] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2894] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2893] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2892] <... symlinkat resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2895 attached [pid 2889] <... futex resumed>) = 0 [pid 2894] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2892] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2891] <... clone3 resumed> => {parent_tid=[2897]}, 88) = 2897 [pid 2889] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2892] <... futex resumed>) = 1 [pid 2895] set_robust_list(0x5555810c5760, 24) = 0 [pid 2888] <... futex resumed>) = 0 [pid 2894] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2892] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2891] rt_sigprocmask(SIG_SETMASK, [] [pid 2888] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2894] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2892] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2891] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2888] <... futex resumed>) = 0 [pid 2894] <... futex resumed>) = 1 [pid 2892] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2891] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2889] <... futex resumed>) = 0 [pid 2888] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2895] rt_sigprocmask(SIG_SETMASK, [] [pid 2894] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2892] <... unlinkat resumed>) = 0 [pid 2891] <... futex resumed>) = 0 [pid 2889] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2895] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2894] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2892] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2891] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2889] <... futex resumed>) = 0 [pid 2895] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2894] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2892] <... futex resumed>) = 1 [pid 2889] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2888] <... futex resumed>) = 0 [pid 2895] <... prctl resumed>) = 0 [pid 2894] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2892] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2888] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2895] setpgid(0, 0 [pid 2894] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2892] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2888] <... futex resumed>) = 0 [pid 2895] <... setpgid resumed>) = 0 [pid 2894] <... futex resumed>) = 1 [pid 2892] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2889] <... futex resumed>) = 0 [pid 2888] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2894] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 2896 attached [pid 2896] set_robust_list(0x7f85c0c359a0, 24 [pid 2892] <... unlinkat resumed>) = 0 [pid 2889] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2894] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2892] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2889] <... futex resumed>) = 0 [pid 2894] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2892] <... futex resumed>) = 1 [pid 2888] <... futex resumed>) = 0 [pid 2889] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2897 attached [pid 2896] <... set_robust_list resumed>) = 0 [pid 2894] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2888] exit_group(0 [pid 2894] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2888] <... exit_group resumed>) = ? [pid 2894] <... futex resumed>) = 1 [pid 2892] +++ exited with 0 +++ [pid 2889] <... futex resumed>) = 0 [pid 2897] set_robust_list(0x7f85c0c359a0, 24 [pid 2896] rt_sigprocmask(SIG_SETMASK, [] [pid 2897] <... set_robust_list resumed>) = 0 [pid 2896] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2897] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2896] mkdirat(AT_FDCWD, "./config", 0777 [pid 2897] mkdirat(AT_FDCWD, "./config", 0777 [pid 2896] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2889] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2888] +++ exited with 0 +++ [pid 2894] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2897] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2896] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2895] <... openat resumed>) = 3 [pid 2894] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2889] <... futex resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2888, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2897] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2896] <... futex resumed>) = 1 [pid 2895] write(3, "1000", 4 [pid 2894] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2893] <... futex resumed>) = 0 [pid 2889] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2897] <... futex resumed>) = 1 [pid 2896] mount(NULL, "./config", "configfs", 0, NULL [pid 2895] <... write resumed>) = 4 [pid 2894] <... futex resumed>) = 0 [pid 2893] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2891] <... futex resumed>) = 0 [pid 2889] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2897] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2896] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2895] close(3 [pid 2894] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2893] <... futex resumed>) = 0 [pid 2891] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2897] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2896] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2895] <... close resumed>) = 0 [pid 2894] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2893] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2891] <... futex resumed>) = 0 [pid 2889] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2897] mount(NULL, "./config", "configfs", 0, NULL [pid 2896] <... futex resumed>) = 0 [pid 2895] write(1, "executing program\n", 18 [pid 2894] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2893] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2891] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2889] <... futex resumed>) = 0 executing program [pid 2897] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2896] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2895] <... write resumed>) = 18 [pid 2894] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2893] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2889] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2897] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2896] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2895] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2894] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2893] <... futex resumed>) = 0 [pid 2889] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2897] <... futex resumed>) = 1 [pid 2896] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2895] <... futex resumed>) = 0 [pid 2894] <... futex resumed>) = 0 [pid 2893] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2891] <... futex resumed>) = 0 [pid 2889] exit_group(0 [pid 2897] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2896] <... futex resumed>) = 0 [pid 2895] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2893] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2891] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2889] <... exit_group resumed>) = ? [pid 2897] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2896] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2895] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2893] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2891] <... futex resumed>) = 0 [pid 2897] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2896] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2893] <... futex resumed>) = 0 [pid 2897] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2896] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2893] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2897] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2896] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2897] <... futex resumed>) = 0 [pid 2896] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2897] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2896] <... futex resumed>) = 1 [pid 2894] +++ exited with 0 +++ [pid 2893] <... futex resumed>) = 0 [pid 2889] +++ exited with 0 +++ [pid 2896] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2895] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2893] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2891] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2889, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2896] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2895] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2893] <... futex resumed>) = 0 [pid 2891] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2896] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2895] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2893] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2891] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2896] <... mkdirat resumed>) = 0 [pid 2895] <... mmap resumed>) = 0x7f85c0c15000 [pid 2897] <... futex resumed>) = 0 [pid 2891] <... futex resumed>) = 1 [pid 2897] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2896] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2895] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2891] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2897] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2896] <... futex resumed>) = 1 [pid 2895] <... mprotect resumed>) = 0 [pid 2893] <... futex resumed>) = 0 [pid 2897] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2896] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2893] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2897] <... futex resumed>) = 1 [pid 2896] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2895] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2893] <... futex resumed>) = 0 [pid 2891] <... futex resumed>) = 0 [pid 2897] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2896] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2895] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2893] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2891] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2897] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2896] <... symlinkat resumed>) = 0 [pid 2895] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2891] <... futex resumed>) = 0 [pid 2897] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2896] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2897] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2896] <... futex resumed>) = 1 [pid 2893] <... futex resumed>) = 0 [pid 2891] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2897] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2896] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2895] <... clone3 resumed> => {parent_tid=[2898]}, 88) = 2898 [pid 2893] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2891] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2897] <... futex resumed>) = 0 [pid 2896] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2895] rt_sigprocmask(SIG_SETMASK, [] [pid 2893] <... futex resumed>) = 0 [pid 2891] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2897] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2896] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2895] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2893] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2891] <... futex resumed>) = 0 [pid 2897] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 2896] <... unlinkat resumed>) = 0 [pid 2895] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2891] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... restart_syscall resumed>) = 0 [pid 2897] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2896] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2895] <... futex resumed>) = 0 [pid 2891] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2897] <... futex resumed>) = 0 [pid 2896] <... futex resumed>) = 1 [pid 2895] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2893] <... futex resumed>) = 0 [pid 2891] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2897] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2896] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2893] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2891] <... futex resumed>) = 0 [pid 2897] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2896] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2893] <... futex resumed>) = 0 [pid 2891] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2897] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2896] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2893] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2891] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2897] <... futex resumed>) = 0 [pid 2896] <... unlinkat resumed>) = 0 [pid 2891] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... restart_syscall resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2897] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2896] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2891] <... futex resumed>) = 0 [pid 2897] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2896] <... futex resumed>) = 1 [pid 2893] <... futex resumed>) = 0 [pid 2897] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2896] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2893] exit_group(0 [pid 2891] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2897] <... futex resumed>) = 0 [pid 2896] <... futex resumed>) = ? [pid 2893] <... exit_group resumed>) = ? [pid 2891] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2899 ci2-android-5-15/strace-static-x86_64: Process 2899 attached [pid 2897] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2896] +++ exited with 0 +++ [pid 2893] +++ exited with 0 +++ [pid 2891] exit_group(0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 2898 attached [pid 2897] <... futex resumed>) = ? [pid 2891] <... exit_group resumed>) = ? [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2899] set_robust_list(0x5555810c5760, 24 [pid 2898] set_robust_list(0x7f85c0c359a0, 24 [pid 2897] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2893, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2898] <... set_robust_list resumed>) = 0 [pid 2898] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2898] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 2891] +++ exited with 0 +++ [pid 2898] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2898] <... futex resumed>) = 1 [pid 2898] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2899] <... set_robust_list resumed>) = 0 [pid 2895] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2900 attached [pid 2895] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2900 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2891, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2895] <... futex resumed>) = 1 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 2900] set_robust_list(0x5555810c5760, 24 [pid 2898] <... futex resumed>) = 0 [pid 2895] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2900] <... set_robust_list resumed>) = 0 [pid 2898] mount(NULL, "./config", "configfs", 0, NULL [pid 305] <... restart_syscall resumed>) = 0 [pid 2900] rt_sigprocmask(SIG_SETMASK, [] [pid 2899] rt_sigprocmask(SIG_SETMASK, [] [pid 2898] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2899] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2899] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2899] setpgid(0, 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2899] <... setpgid resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2899] write(3, "1000", 4) = 4 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2901 [pid 304] <... restart_syscall resumed>) = 0 [pid 2899] close(3 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2899] <... close resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2899] write(1, "executing program\n", 18 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 2899] <... write resumed>) = 18 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2899] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2899] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2899] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2899] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2899] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2902 [pid 2899] <... mprotect resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 2900] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2898] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2899] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2899] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2898] <... futex resumed>) = 1 [pid 2895] <... futex resumed>) = 0 [pid 2900] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2898] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2895] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2899] <... clone3 resumed> => {parent_tid=[2903]}, 88) = 2903 [pid 2898] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2895] <... futex resumed>) = 0 [pid 2899] rt_sigprocmask(SIG_SETMASK, [] [pid 2895] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2898] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 2903 attached [pid 2900] <... prctl resumed>) = 0 [pid 2898] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2899] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2899] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2899] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2898] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2901 attached ) = 1 [pid 2895] <... futex resumed>) = 0 [pid 2895] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2898] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2895] <... futex resumed>) = 0 [pid 2895] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2900] setpgid(0, 0 [pid 2898] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2901] set_robust_list(0x5555810c5760, 24) = 0 [pid 2903] set_robust_list(0x7f85c0c359a0, 24 [pid 2901] rt_sigprocmask(SIG_SETMASK, [] [pid 2900] <... setpgid resumed>) = 0 [pid 2898] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2901] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2901] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2901] setpgid(0, 0) = 0 [pid 2901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2898] <... futex resumed>) = 1 [pid 2895] <... futex resumed>) = 0 [pid 2903] <... set_robust_list resumed>) = 0 [pid 2900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2895] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2898] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2895] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2902 attached [pid 2895] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2902] set_robust_list(0x5555810c5760, 24) = 0 [pid 2898] <... mkdirat resumed>) = 0 [pid 2902] rt_sigprocmask(SIG_SETMASK, [] [pid 2900] <... openat resumed>) = 3 [pid 2898] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2902] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2903] rt_sigprocmask(SIG_SETMASK, [] [pid 2902] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2901] <... openat resumed>) = 3 [pid 2900] write(3, "1000", 4 [pid 2898] <... futex resumed>) = 1 [pid 2895] <... futex resumed>) = 0 [pid 2902] <... prctl resumed>) = 0 [pid 2898] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2895] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2900] <... write resumed>) = 4 [pid 2895] <... futex resumed>) = 0 [pid 2902] setpgid(0, 0 [pid 2895] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2900] close(3 [pid 2898] <... symlinkat resumed>) = 0 [pid 2902] <... setpgid resumed>) = 0 [pid 2902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2900] <... close resumed>) = 0 [pid 2898] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2903] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2902] <... openat resumed>) = 3 [pid 2901] write(3, "1000", 4 [pid 2900] write(1, "executing program\n", 18 [pid 2898] <... futex resumed>) = 1 [pid 2895] <... futex resumed>) = 0 [pid 2902] write(3, "1000", 4 executing program [pid 2895] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2898] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2900] <... write resumed>) = 18 [pid 2898] <... unlinkat resumed>) = 0 [pid 2895] <... futex resumed>) = 0 [pid 2898] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2895] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2900] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2898] <... futex resumed>) = 0 [pid 2895] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2900] <... futex resumed>) = 0 [pid 2898] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2895] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2900] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2898] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2895] <... futex resumed>) = 0 [pid 2900] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2898] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2895] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2900] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2902] <... write resumed>) = 4 [pid 2900] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2898] <... unlinkat resumed>) = 0 [pid 2900] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2898] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2900] <... mmap resumed>) = 0x7f85c0c15000 [pid 2898] <... futex resumed>) = 1 [pid 2900] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2895] <... futex resumed>) = 0 [pid 2898] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2895] exit_group(0 [pid 2900] <... mprotect resumed>) = 0 [pid 2895] <... exit_group resumed>) = ? [pid 2898] <... futex resumed>) = ? [pid 2902] close(3) = 0 [pid 2902] write(1, "executing program\n", 18) = 18 [pid 2902] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2902] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2902] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2902] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2898] +++ exited with 0 +++ [pid 2895] +++ exited with 0 +++ executing program [pid 2902] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2895, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2900] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2902] <... mprotect resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2903] mkdirat(AT_FDCWD, "./config", 0777 [pid 2902] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2901] <... write resumed>) = 4 [pid 2900] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2902] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2900] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2903] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2902] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2901] close(3 [pid 2903] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2902] <... clone3 resumed> => {parent_tid=[2905]}, 88) = 2905 [pid 2900] <... clone3 resumed> => {parent_tid=[2904]}, 88) = 2904 [pid 2903] <... futex resumed>) = 1 [pid 2902] rt_sigprocmask(SIG_SETMASK, [] [pid 2901] <... close resumed>) = 0 [pid 2900] rt_sigprocmask(SIG_SETMASK, [] [pid 2899] <... futex resumed>) = 0 [pid 2903] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2902] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2901] write(1, "executing program\n", 18 [pid 2900] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2899] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2903] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2902] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2901] <... write resumed>) = 18 executing program [pid 2900] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2899] <... futex resumed>) = 0 [pid 2903] mount(NULL, "./config", "configfs", 0, NULL [pid 2902] <... futex resumed>) = 0 [pid 2900] <... futex resumed>) = 0 [pid 2899] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2901] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2903] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2902] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2900] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2901] <... futex resumed>) = 0 [pid 2903] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2901] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2903] <... futex resumed>) = 1 [pid 2899] <... futex resumed>) = 0 [pid 2899] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2903] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2901] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2899] <... futex resumed>) = 0 [pid 2899] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2904 attached [pid 2904] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2904] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2904] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 2904] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2900] <... futex resumed>) = 0 [pid 2901] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2903] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2901] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2900] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2903] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2901] <... mmap resumed>) = 0x7f85c0c15000 [pid 2900] <... futex resumed>) = 0 [pid 2903] <... futex resumed>) = 1 [pid 2901] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2900] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2899] <... futex resumed>) = 0 [pid 2903] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2901] <... mprotect resumed>) = 0 [pid 2899] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2903] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2901] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2899] <... futex resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 2903] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2901] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2899] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2903] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2901] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2903] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2904] mount(NULL, "./config", "configfs", 0, NULL [pid 2903] <... futex resumed>) = 1 [pid 2899] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2903] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2901] <... clone3 resumed> => {parent_tid=[2906]}, 88) = 2906 [pid 2899] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2903] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2901] rt_sigprocmask(SIG_SETMASK, [] [pid 2899] <... futex resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2903] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2901] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2899] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2904] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2904] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2900] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2907 [pid 2901] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2900] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2901] <... futex resumed>) = 0 [pid 2900] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 2901] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2900] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2904] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 2905 attached [pid 2903] <... mkdirat resumed>) = 0 [pid 2904] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2903] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2905] set_robust_list(0x7f85c0c359a0, 24 [pid 2904] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2903] <... futex resumed>) = 1 [pid 2899] <... futex resumed>) = 0 [pid 2905] <... set_robust_list resumed>) = 0 [pid 2904] <... futex resumed>) = 1 [pid 2903] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2900] <... futex resumed>) = 0 [pid 2899] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2905] rt_sigprocmask(SIG_SETMASK, [] [pid 2904] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2903] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2900] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2899] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2907 attached [pid 2905] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2904] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2903] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2900] <... futex resumed>) = 0 [pid 2899] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2905] mkdirat(AT_FDCWD, "./config", 0777 [pid 2904] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2903] <... symlinkat resumed>) = 0 [pid 2900] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2905] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2903] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2900] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2905] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2904] <... futex resumed>) = 0 [pid 2903] <... futex resumed>) = 1 [pid 2899] <... futex resumed>) = 0 [pid 2905] <... futex resumed>) = 1 [pid 2904] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2903] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2902] <... futex resumed>) = 0 [pid 2900] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2899] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2907] set_robust_list(0x5555810c5760, 24 [pid 2905] mount(NULL, "./config", "configfs", 0, NULL [pid 2904] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2903] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2902] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2900] <... futex resumed>) = 0 [pid 2899] <... futex resumed>) = 0 [pid 2905] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2904] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2903] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2902] <... futex resumed>) = 0 [pid 2900] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2899] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2905] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2904] <... futex resumed>) = 0 [pid 2903] <... unlinkat resumed>) = 0 [pid 2902] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2900] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2905] <... futex resumed>) = 0 [pid 2904] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2903] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2902] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2900] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2905] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2904] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2903] <... futex resumed>) = 1 [pid 2902] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2900] <... futex resumed>) = 0 [pid 2907] <... set_robust_list resumed>) = 0 [pid 2899] <... futex resumed>) = 0 [pid 2905] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2904] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2903] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2902] <... futex resumed>) = 0 [pid 2900] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2899] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2907] rt_sigprocmask(SIG_SETMASK, [] [pid 2905] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2904] <... symlinkat resumed>) = 0 [pid 2903] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2902] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2899] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2906 attached [pid 2907] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2905] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2904] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2903] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2899] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2907] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2906] set_robust_list(0x7f85c0c359a0, 24 [pid 2905] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2904] <... futex resumed>) = 1 [pid 2903] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 2900] <... futex resumed>) = 0 [pid 2907] <... prctl resumed>) = 0 [pid 2906] <... set_robust_list resumed>) = 0 [pid 2905] <... futex resumed>) = 1 [pid 2904] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2903] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2902] <... futex resumed>) = 0 [pid 2900] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2907] setpgid(0, 0 [pid 2906] rt_sigprocmask(SIG_SETMASK, [] [pid 2905] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2904] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2903] <... futex resumed>) = 1 [pid 2902] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2900] <... futex resumed>) = 0 [pid 2899] <... futex resumed>) = 0 [pid 2907] <... setpgid resumed>) = 0 [pid 2906] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2905] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2904] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2903] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2902] <... futex resumed>) = 0 [pid 2900] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2899] exit_group(0 [pid 2907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2906] mkdirat(AT_FDCWD, "./config", 0777 [pid 2905] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2904] <... unlinkat resumed>) = 0 [pid 2903] <... futex resumed>) = ? [pid 2902] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2899] <... exit_group resumed>) = ? [pid 2907] <... openat resumed>) = 3 [pid 2906] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2905] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2904] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2903] +++ exited with 0 +++ [pid 2899] +++ exited with 0 +++ [pid 2907] write(3, "1000", 4 [pid 2906] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2905] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2904] <... futex resumed>) = 1 [pid 2900] <... futex resumed>) = 0 [pid 2907] <... write resumed>) = 4 [pid 2906] <... futex resumed>) = 1 [pid 2905] <... futex resumed>) = 1 [pid 2904] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2902] <... futex resumed>) = 0 [pid 2901] <... futex resumed>) = 0 [pid 2900] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2899, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2907] close(3 [pid 2906] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2905] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2904] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2902] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2901] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2900] <... futex resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2907] <... close resumed>) = 0 [pid 2906] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2905] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2904] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2902] <... futex resumed>) = 0 [pid 2901] <... futex resumed>) = 0 [pid 2900] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2907] write(1, "executing program\n", 18 executing program [pid 2906] mount(NULL, "./config", "configfs", 0, NULL [pid 2905] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2904] <... unlinkat resumed>) = 0 [pid 2902] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2901] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2907] <... write resumed>) = 18 [pid 2906] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2905] <... mkdirat resumed>) = 0 [pid 2904] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2907] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2906] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2904] <... futex resumed>) = 1 [pid 2907] <... futex resumed>) = 0 [pid 2906] <... futex resumed>) = 1 [pid 2905] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2904] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2901] <... futex resumed>) = 0 [pid 2900] <... futex resumed>) = 0 [pid 2907] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2906] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2905] <... futex resumed>) = 1 [pid 2902] <... futex resumed>) = 0 [pid 2901] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2900] exit_group(0 [pid 2907] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2906] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2905] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2904] <... futex resumed>) = ? [pid 2902] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2901] <... futex resumed>) = 0 [pid 2900] <... exit_group resumed>) = ? [pid 2907] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2906] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2905] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2904] +++ exited with 0 +++ [pid 2902] <... futex resumed>) = 0 [pid 2901] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2906] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2906] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2906] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2900] +++ exited with 0 +++ [pid 2902] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2907] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2905] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2901] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2900, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2907] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2905] <... symlinkat resumed>) = 0 [pid 2901] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2907] <... mmap resumed>) = 0x7f85c0c15000 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2907] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2906] <... futex resumed>) = 0 [pid 2905] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2901] <... futex resumed>) = 1 [pid 2907] <... mprotect resumed>) = 0 [pid 2906] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2905] <... futex resumed>) = 1 [pid 2902] <... futex resumed>) = 0 [pid 2901] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2907] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2906] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2905] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2902] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2907] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2906] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2905] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2902] <... futex resumed>) = 0 [pid 2907] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2906] <... futex resumed>) = 1 [pid 2905] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2902] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2901] <... futex resumed>) = 0 [pid 2906] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2905] <... unlinkat resumed>) = 0 [pid 2901] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2907] <... clone3 resumed> => {parent_tid=[2908]}, 88) = 2908 [pid 2906] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2905] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2901] <... futex resumed>) = 0 [pid 2907] rt_sigprocmask(SIG_SETMASK, [] [pid 2906] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2905] <... futex resumed>) = 1 [pid 2902] <... futex resumed>) = 0 [pid 2901] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2907] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2906] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2905] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2902] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2907] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2906] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2905] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2902] <... futex resumed>) = 0 [pid 2907] <... futex resumed>) = 0 [pid 2906] <... futex resumed>) = 1 [pid 2905] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2902] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2901] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2908 attached [pid 2907] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2906] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2901] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2906] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2905] <... unlinkat resumed>) = 0 [pid 2901] <... futex resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 2906] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2905] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2901] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2906] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2905] <... futex resumed>) = 1 [pid 2902] <... futex resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 2906] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2905] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2906] <... futex resumed>) = 1 [pid 2902] exit_group(0 [pid 2901] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2906] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2905] <... futex resumed>) = ? [pid 2902] <... exit_group resumed>) = ? [pid 2901] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2906] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2905] +++ exited with 0 +++ [pid 2901] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2906] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2901] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2906] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2906] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2901] <... futex resumed>) = 0 [pid 2906] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2901] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2906] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2902] +++ exited with 0 +++ [pid 2901] <... futex resumed>) = 0 [pid 2906] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2901] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2906] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2906] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2901] <... futex resumed>) = 0 [pid 2906] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2901] exit_group(0 [pid 2906] <... futex resumed>) = ? [pid 2901] <... exit_group resumed>) = ? [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2902, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 2909 attached [pid 2906] +++ exited with 0 +++ [pid 2901] +++ exited with 0 +++ [pid 2908] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2908] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2908] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 2908] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2908] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2909] set_robust_list(0x5555810c5760, 24 [pid 2907] <... futex resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2909 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2907] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2910 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2907] <... futex resumed>) = 1 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2901, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2907] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 2908] <... futex resumed>) = 0 [pid 2908] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2908] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2909] <... set_robust_list resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2908] <... futex resumed>) = 1 [pid 2908] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 2910 attached [pid 2910] set_robust_list(0x5555810c5760, 24) = 0 [pid 2910] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... restart_syscall resumed>) = 0 [pid 2907] <... futex resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2911 [pid 2907] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2910] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 2907] <... futex resumed>) = 1 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2907] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2910] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2910] setpgid(0, 0) = 0 [pid 2910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2908] <... futex resumed>) = 0 [pid 2910] <... openat resumed>) = 3 [pid 2908] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2912 [pid 2910] write(3, "1000", 4 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 2908] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2910] <... write resumed>) = 4 [pid 2910] close(3 [pid 2908] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2910] <... close resumed>) = 0 [pid 2908] <... futex resumed>) = 1 [pid 2907] <... futex resumed>) = 0 [pid 2910] write(1, "executing program\n", 18 [pid 2908] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2907] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2910] <... write resumed>) = 18 [pid 2907] <... futex resumed>) = 0 [pid 2908] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 2907] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2910] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2908] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2910] <... futex resumed>) = 0 [pid 2910] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2908] <... futex resumed>) = 1 [pid 2907] <... futex resumed>) = 0 [pid 2907] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2908] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2907] <... futex resumed>) = 0 [pid 2907] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2910] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2908] <... mkdirat resumed>) = 0 [pid 2910] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2910] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2910] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2908] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2910] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2909] rt_sigprocmask(SIG_SETMASK, [] [pid 2908] <... futex resumed>) = 1 [pid 2907] <... futex resumed>) = 0 [pid 2910] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2908] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2907] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2909] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2908] <... symlinkat resumed>) = 0 [pid 2907] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2910] <... clone3 resumed> => {parent_tid=[2913]}, 88) = 2913 [pid 2908] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2909] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2910] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2910] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2910] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2912 attached [pid 2909] <... prctl resumed>) = 0 [pid 2908] <... futex resumed>) = 1 [pid 2907] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2911 attached [pid 2909] setpgid(0, 0 [pid 2908] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2907] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2911] set_robust_list(0x5555810c5760, 24 [pid 2907] <... futex resumed>) = 0 [pid 2909] <... setpgid resumed>) = 0 [pid 2908] <... unlinkat resumed>) = 0 [pid 2907] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2908] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2907] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2911] <... set_robust_list resumed>) = 0 [pid 2908] <... futex resumed>) = 0 [pid 2907] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2908] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2907] <... futex resumed>) = 0 [pid 2911] rt_sigprocmask(SIG_SETMASK, [] [pid 2907] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2908] <... unlinkat resumed>) = 0 [pid 2911] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2909] <... openat resumed>) = 3 [pid 2908] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2911] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2909] write(3, "1000", 4 [pid 2908] <... futex resumed>) = 1 [pid 2907] <... futex resumed>) = 0 [pid 2911] <... prctl resumed>) = 0 [pid 2911] setpgid(0, 0) = 0 [pid 2911] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2908] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2907] exit_group(0 [pid 2909] <... write resumed>) = 4 [pid 2908] <... futex resumed>) = ? [pid 2907] <... exit_group resumed>) = ? [pid 2911] <... openat resumed>) = 3 [pid 2911] write(3, "1000", 4) = 4 [pid 2911] close(3) = 0 [pid 2911] write(1, "executing program\n", 18) = 18 [pid 2911] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2908] +++ exited with 0 +++ [pid 2907] +++ exited with 0 +++ [pid 2909] close(3 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2907, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2911] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> executing program [pid 2909] <... close resumed>) = 0 [pid 2911] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2911] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2911] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2911] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2911] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2909] write(1, "executing program\n", 18 [pid 2912] set_robust_list(0x5555810c5760, 24 [pid 2911] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 2911] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2912] <... set_robust_list resumed>) = 0 [pid 2909] <... write resumed>) = 18 [pid 2911] <... clone3 resumed> => {parent_tid=[2914]}, 88) = 2914 [pid 2909] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2912] rt_sigprocmask(SIG_SETMASK, [] [pid 2909] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2913 attached [pid 2912] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2911] rt_sigprocmask(SIG_SETMASK, [] [pid 2909] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2913] set_robust_list(0x7f85c0c359a0, 24 [pid 2911] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2909] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2912] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2909] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2913] <... set_robust_list resumed>) = 0 [pid 2912] <... prctl resumed>) = 0 [pid 2911] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2909] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2913] rt_sigprocmask(SIG_SETMASK, [] [pid 2912] setpgid(0, 0 [pid 2911] <... futex resumed>) = 0 [pid 2909] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2913] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2912] <... setpgid resumed>) = 0 [pid 2911] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2909] <... mmap resumed>) = 0x7f85c0c15000 [pid 2909] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2909] <... mprotect resumed>) = 0 [pid 2913] mkdirat(AT_FDCWD, "./config", 0777 [pid 2909] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2913] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2909] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2912] <... openat resumed>) = 3 [pid 2909] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2913] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2910] <... futex resumed>) = 0 [pid 2912] write(3, "1000", 4 [pid 2913] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2910] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2909] <... clone3 resumed> => {parent_tid=[2915]}, 88) = 2915 ci2-android-5-15/strace-static-x86_64: Process 2915 attached [pid 2912] <... write resumed>) = 4 [pid 2910] <... futex resumed>) = 0 [pid 2909] rt_sigprocmask(SIG_SETMASK, [] [pid 2913] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2909] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2912] close(3 [pid 2910] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2909] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2912] <... close resumed>) = 0 [pid 2909] <... futex resumed>) = 0 [pid 2912] write(1, "executing program\n", 18 [pid 2909] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} executing program [pid 2913] mount(NULL, "./config", "configfs", 0, NULL [pid 2912] <... write resumed>) = 18 [pid 2913] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2912] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2915] set_robust_list(0x7f85c0c359a0, 24 [pid 2913] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2910] <... futex resumed>) = 0 [pid 2912] <... futex resumed>) = 0 [pid 2910] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2912] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2910] <... futex resumed>) = 0 [pid 2910] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2912] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2912] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2912] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2913] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2912] <... mmap resumed>) = 0x7f85c0c15000 [pid 2913] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2913] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2912] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2913] <... futex resumed>) = 1 [pid 2912] <... mprotect resumed>) = 0 [pid 2910] <... futex resumed>) = 0 [pid 2913] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2912] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2910] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... restart_syscall resumed>) = 0 [pid 2913] <... futex resumed>) = 0 [pid 2912] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2910] <... futex resumed>) = 1 [pid 2913] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2912] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2910] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2913] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2913] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2913] <... futex resumed>) = 1 [pid 2912] <... clone3 resumed> => {parent_tid=[2916]}, 88) = 2916 [pid 2910] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 2916 attached [pid 2915] <... set_robust_list resumed>) = 0 [pid 2913] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2912] rt_sigprocmask(SIG_SETMASK, [] [pid 2910] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2913] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2912] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2910] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2914 attached [pid 2913] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2914] set_robust_list(0x7f85c0c359a0, 24 [pid 2913] <... mkdirat resumed>) = 0 [pid 2914] <... set_robust_list resumed>) = 0 [pid 2913] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2912] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2910] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2914] rt_sigprocmask(SIG_SETMASK, [] [pid 2913] <... futex resumed>) = 0 [pid 2912] <... futex resumed>) = 0 [pid 2910] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2917 [pid 2914] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2913] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2912] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2910] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2914] mkdirat(AT_FDCWD, "./config", 0777 [pid 2913] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2910] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 2915] rt_sigprocmask(SIG_SETMASK, [] [pid 2914] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2913] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2910] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2915] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2914] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2913] <... symlinkat resumed>) = 0 [pid 2914] <... futex resumed>) = 1 [pid 2913] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2915] mkdirat(AT_FDCWD, "./config", 0777 [pid 2916] set_robust_list(0x7f85c0c359a0, 24 [pid 2911] <... futex resumed>) = 0 [pid 2914] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2913] <... futex resumed>) = 1 [pid 2911] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2910] <... futex resumed>) = 0 [pid 2916] <... set_robust_list resumed>) = 0 [pid 2915] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2914] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2913] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2911] <... futex resumed>) = 0 [pid 2910] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2917 attached [pid 2915] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2914] mount(NULL, "./config", "configfs", 0, NULL [pid 2913] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2911] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2910] <... futex resumed>) = 0 [pid 2915] <... futex resumed>) = 1 [pid 2914] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2913] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2910] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2909] <... futex resumed>) = 0 [pid 2916] rt_sigprocmask(SIG_SETMASK, [] [pid 2915] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2914] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2913] <... unlinkat resumed>) = 0 [pid 2909] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2917] set_robust_list(0x5555810c5760, 24 [pid 2914] <... futex resumed>) = 1 [pid 2913] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2911] <... futex resumed>) = 0 [pid 2915] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2909] <... futex resumed>) = 0 [pid 2917] <... set_robust_list resumed>) = 0 [pid 2915] mount(NULL, "./config", "configfs", 0, NULL [pid 2914] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2913] <... futex resumed>) = 1 [pid 2911] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2910] <... futex resumed>) = 0 [pid 2909] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2917] rt_sigprocmask(SIG_SETMASK, [] [pid 2916] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2915] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2914] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2913] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2911] <... futex resumed>) = 0 [pid 2910] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2917] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2916] mkdirat(AT_FDCWD, "./config", 0777 [pid 2915] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2914] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2913] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2911] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2910] <... futex resumed>) = 0 [pid 2917] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2916] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2915] <... futex resumed>) = 1 [pid 2914] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2913] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2910] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2909] <... futex resumed>) = 0 [pid 2917] <... prctl resumed>) = 0 [pid 2916] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2915] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2914] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2913] <... unlinkat resumed>) = 0 [pid 2909] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2917] setpgid(0, 0 [pid 2916] <... futex resumed>) = 1 [pid 2915] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2914] <... futex resumed>) = 1 [pid 2913] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2912] <... futex resumed>) = 0 [pid 2911] <... futex resumed>) = 0 [pid 2909] <... futex resumed>) = 0 [pid 2917] <... setpgid resumed>) = 0 [pid 2916] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2915] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2914] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2913] <... futex resumed>) = 1 [pid 2912] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2911] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2910] <... futex resumed>) = 0 [pid 2909] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2916] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2915] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2914] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2913] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2912] <... futex resumed>) = 0 [pid 2911] <... futex resumed>) = 0 [pid 2910] exit_group(0 [pid 2917] <... openat resumed>) = 3 [pid 2916] mount(NULL, "./config", "configfs", 0, NULL [pid 2915] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2914] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2912] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2911] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2910] <... exit_group resumed>) = ? [pid 2913] <... futex resumed>) = ? [pid 2917] write(3, "1000", 4 [pid 2916] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2915] <... futex resumed>) = 1 [pid 2914] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2909] <... futex resumed>) = 0 [pid 2917] <... write resumed>) = 4 [pid 2914] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2917] close(3 [pid 2914] <... futex resumed>) = 1 [pid 2911] <... futex resumed>) = 0 [pid 2917] <... close resumed>) = 0 [pid 2914] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2911] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2917] write(1, "executing program\n", 18 [pid 2914] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2911] <... futex resumed>) = 0 [pid 2917] <... write resumed>) = 18 executing program [pid 2914] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2913] +++ exited with 0 +++ [pid 2915] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2916] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2911] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2910] +++ exited with 0 +++ [pid 2909] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2917] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2916] <... futex resumed>) = 1 [pid 2915] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2914] <... mkdirat resumed>) = 0 [pid 2912] <... futex resumed>) = 0 [pid 2909] <... futex resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2910, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2917] <... futex resumed>) = 0 [pid 2916] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2915] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2914] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2912] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2909] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2917] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2916] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2915] <... futex resumed>) = 0 [pid 2914] <... futex resumed>) = 1 [pid 2912] <... futex resumed>) = 0 [pid 2911] <... futex resumed>) = 0 [pid 2909] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2917] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2916] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2915] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2914] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2912] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2911] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2909] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2917] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2916] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2915] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2914] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2911] <... futex resumed>) = 0 [pid 2909] <... futex resumed>) = 0 [pid 2917] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2916] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2915] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2914] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2911] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2909] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2917] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2916] <... futex resumed>) = 1 [pid 2915] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2914] <... symlinkat resumed>) = 0 [pid 2912] <... futex resumed>) = 0 [pid 2917] <... mmap resumed>) = 0x7f85c0c15000 [pid 2916] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2915] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2914] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2912] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2917] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2916] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2915] <... futex resumed>) = 1 [pid 2914] <... futex resumed>) = 1 [pid 2912] <... futex resumed>) = 0 [pid 2911] <... futex resumed>) = 0 [pid 2909] <... futex resumed>) = 0 [pid 2917] <... mprotect resumed>) = 0 [pid 2916] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2915] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2914] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2912] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2911] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2909] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2917] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2916] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2915] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2914] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2911] <... futex resumed>) = 0 [pid 2909] <... futex resumed>) = 0 [pid 2917] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2916] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2915] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2914] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2911] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2909] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2917] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2916] <... futex resumed>) = 1 [pid 2915] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 2914] <... unlinkat resumed>) = 0 [pid 2912] <... futex resumed>) = 0 [pid 2914] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2917] <... clone3 resumed> => {parent_tid=[2918]}, 88) = 2918 [pid 2916] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2915] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2914] <... futex resumed>) = 1 [pid 2912] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2911] <... futex resumed>) = 0 [pid 2917] rt_sigprocmask(SIG_SETMASK, [] [pid 2916] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2915] <... futex resumed>) = 1 [pid 2914] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2912] <... futex resumed>) = 0 [pid 2911] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2909] <... futex resumed>) = 0 [pid 2917] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2916] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2915] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2914] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2912] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2911] <... futex resumed>) = 0 [pid 2909] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2918 attached [pid 2917] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2916] <... futex resumed>) = 0 [pid 2915] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2914] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2912] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2911] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2909] <... futex resumed>) = 0 [pid 2918] set_robust_list(0x7f85c0c359a0, 24 [pid 2917] <... futex resumed>) = 0 [pid 2916] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2915] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2914] <... unlinkat resumed>) = 0 [pid 2912] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2909] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2917] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2916] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2915] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2914] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2912] <... futex resumed>) = 0 [pid 2916] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2915] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2914] <... futex resumed>) = 1 [pid 2912] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2911] <... futex resumed>) = 0 [pid 2916] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2915] <... futex resumed>) = 1 [pid 2914] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2911] exit_group(0 [pid 2909] <... futex resumed>) = 0 [pid 2916] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2915] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2914] <... futex resumed>) = ? [pid 2911] <... exit_group resumed>) = ? [pid 2909] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2918] <... set_robust_list resumed>) = 0 [pid 2916] <... futex resumed>) = 1 [pid 2915] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2914] +++ exited with 0 +++ [pid 2912] <... futex resumed>) = 0 [pid 2911] +++ exited with 0 +++ [pid 2909] <... futex resumed>) = 0 [pid 2916] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2915] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2912] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2909] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2916] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2915] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2912] <... futex resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2911, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2916] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2915] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2912] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2916] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2915] <... futex resumed>) = 1 [pid 2909] <... futex resumed>) = 0 [pid 2916] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2915] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2916] <... futex resumed>) = 1 [pid 2912] <... futex resumed>) = 0 [pid 2909] exit_group(0 [pid 2916] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2912] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2916] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2915] <... futex resumed>) = ? [pid 2909] <... exit_group resumed>) = ? [pid 2916] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2912] <... futex resumed>) = 0 [pid 2915] +++ exited with 0 +++ [pid 311] <... restart_syscall resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2916] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2912] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2909] +++ exited with 0 +++ [pid 2916] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2912] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2919 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2909, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2916] <... futex resumed>) = 0 [pid 2912] exit_group(0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 2912] <... exit_group resumed>) = ? [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 2916] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 2919 attached [pid 2919] set_robust_list(0x5555810c5760, 24) = 0 [pid 2919] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2912] +++ exited with 0 +++ [pid 2919] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2919] setpgid(0, 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2912, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2919] <... setpgid resumed>) = 0 [pid 2919] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2920 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2919] write(3, "1000", 4) = 4 [pid 2919] close(3) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2921 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 2919] write(1, "executing program\n", 18) = 18 [pid 2919] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2919] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2919] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2922 [pid 2919] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 2919] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2919] <... mmap resumed>) = 0x7f85c0c15000 [pid 2919] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2919] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 2922 attached ci2-android-5-15/strace-static-x86_64: Process 2921 attached [pid 2918] rt_sigprocmask(SIG_SETMASK, [] [pid 2919] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2919] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[2923]}, 88) = 2923 [pid 2918] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2919] rt_sigprocmask(SIG_SETMASK, [] [pid 2922] set_robust_list(0x5555810c5760, 24 [pid 2918] mkdirat(AT_FDCWD, "./config", 0777 [pid 2919] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2919] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2919] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2922] <... set_robust_list resumed>) = 0 [pid 2921] set_robust_list(0x5555810c5760, 24 [pid 2918] <... mkdirat resumed>) = -1 EEXIST (File exists) ci2-android-5-15/strace-static-x86_64: Process 2920 attached [pid 2920] set_robust_list(0x5555810c5760, 24) = 0 [pid 2918] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2917] <... futex resumed>) = 0 [pid 2917] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2918] mount(NULL, "./config", "configfs", 0, NULL [pid 2917] <... futex resumed>) = 0 [pid 2917] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2918] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2920] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2922] rt_sigprocmask(SIG_SETMASK, [] [pid 2921] <... set_robust_list resumed>) = 0 [pid 2918] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2920] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2920] setpgid(0, 0) = 0 [pid 2922] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2920] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2918] <... futex resumed>) = 1 [pid 2917] <... futex resumed>) = 0 [pid 2921] rt_sigprocmask(SIG_SETMASK, [] [pid 2917] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2918] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2917] <... futex resumed>) = 0 [pid 2917] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2918] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2922] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2921] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2918] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2920] <... openat resumed>) = 3 [pid 2920] write(3, "1000", 4) = 4 [pid 2920] close(3 [pid 2922] <... prctl resumed>) = 0 [pid 2921] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2918] <... futex resumed>) = 1 [pid 2917] <... futex resumed>) = 0 [pid 2917] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2918] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2922] setpgid(0, 0 [pid 2917] <... futex resumed>) = 0 [pid 2917] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2922] <... setpgid resumed>) = 0 [pid 2918] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2920] <... close resumed>) = 0 [pid 2920] write(1, "executing program\n", 18) = 18 executing program [pid 2920] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2920] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2920] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2921] <... prctl resumed>) = 0 [pid 2918] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2920] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2918] <... futex resumed>) = 1 [pid 2917] <... futex resumed>) = 0 [pid 2920] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2918] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2917] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2922] <... openat resumed>) = 3 [pid 2921] setpgid(0, 0 [pid 2917] <... futex resumed>) = 0 [pid 2920] <... mmap resumed>) = 0x7f85c0c15000 [pid 2917] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2920] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2918] <... mkdirat resumed>) = 0 [pid 2922] write(3, "1000", 4 [pid 2921] <... setpgid resumed>) = 0 [pid 2918] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2922] <... write resumed>) = 4 [pid 2920] <... mprotect resumed>) = 0 [pid 2918] <... futex resumed>) = 1 [pid 2917] <... futex resumed>) = 0 [pid 2922] close(3 [pid 2921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2918] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2917] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2918] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2917] <... futex resumed>) = 0 [pid 2922] <... close resumed>) = 0 [pid 2917] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2918] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2922] write(1, "executing program\n", 18 [pid 2921] <... openat resumed>) = 3 [pid 2922] <... write resumed>) = 18 executing program [pid 2921] write(3, "1000", 4 [pid 2920] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2918] <... symlinkat resumed>) = 0 [pid 2920] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2918] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2922] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2921] <... write resumed>) = 4 [pid 2918] <... futex resumed>) = 1 [pid 2917] <... futex resumed>) = 0 [pid 2922] <... futex resumed>) = 0 [pid 2918] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2917] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2922] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2921] close(3 [pid 2918] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2917] <... futex resumed>) = 0 [pid 2922] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2918] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2917] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2921] <... close resumed>) = 0 [pid 2922] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2918] <... unlinkat resumed>) = 0 [pid 2922] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2921] write(1, "executing program\n", 18 [pid 2918] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2922] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2918] <... futex resumed>) = 1 [pid 2921] <... write resumed>) = 18 [pid 2917] <... futex resumed>) = 0 executing program [pid 2922] <... mmap resumed>) = 0x7f85c0c15000 [pid 2921] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2920] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2918] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2917] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2924 attached [pid 2922] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2921] <... futex resumed>) = 0 [pid 2918] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2917] <... futex resumed>) = 0 [pid 2922] <... mprotect resumed>) = 0 [pid 2921] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2918] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2917] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2922] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2921] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2920] <... clone3 resumed> => {parent_tid=[2924]}, 88) = 2924 [pid 2922] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2921] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2918] <... unlinkat resumed>) = 0 [pid 2922] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2918] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2921] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2922] <... clone3 resumed> => {parent_tid=[2925]}, 88) = 2925 [pid 2921] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2918] <... futex resumed>) = 1 [pid 2917] <... futex resumed>) = 0 [pid 2924] set_robust_list(0x7f85c0c359a0, 24 [pid 2922] rt_sigprocmask(SIG_SETMASK, [] [pid 2920] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2920] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2920] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2923 attached [pid 2921] <... mmap resumed>) = 0x7f85c0c15000 [pid 2918] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2917] exit_group(0 [pid 2922] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2921] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2922] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2918] <... futex resumed>) = ? [pid 2917] <... exit_group resumed>) = ? [pid 2922] <... futex resumed>) = 0 [pid 2921] <... mprotect resumed>) = 0 [pid 2918] +++ exited with 0 +++ [pid 2923] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2923] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2923] mkdirat(AT_FDCWD, "./config", 0777 [pid 2922] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2921] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2917] +++ exited with 0 +++ [pid 2924] <... set_robust_list resumed>) = 0 [pid 2921] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2921] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2917, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 2925 attached [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2921] <... clone3 resumed> => {parent_tid=[2926]}, 88) = 2926 [pid 2925] set_robust_list(0x7f85c0c359a0, 24 [pid 2921] rt_sigprocmask(SIG_SETMASK, [] [pid 2925] <... set_robust_list resumed>) = 0 [pid 2921] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2921] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2925] rt_sigprocmask(SIG_SETMASK, [] [pid 2921] <... futex resumed>) = 0 [pid 2925] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2921] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... restart_syscall resumed>) = 0 [pid 2925] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) ci2-android-5-15/strace-static-x86_64: Process 2926 attached [pid 2925] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2925] <... futex resumed>) = 1 [pid 2922] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2922] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2922] <... futex resumed>) = 0 [pid 2925] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 2922] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2927 [pid 2925] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 2925] <... futex resumed>) = 1 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2922] <... futex resumed>) = 0 [pid 2925] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2922] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2925] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2922] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2925] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 2924] rt_sigprocmask(SIG_SETMASK, [] [pid 2925] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2922] <... futex resumed>) = 0 [pid 2925] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2922] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2925] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2922] <... futex resumed>) = 0 [pid 2925] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2922] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2925] <... futex resumed>) = 0 [pid 2922] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2925] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2922] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2927 attached [pid 2925] <... mkdirat resumed>) = 0 [pid 2924] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2923] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2922] <... futex resumed>) = 0 [pid 2925] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2922] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2925] <... futex resumed>) = 0 [pid 2922] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2924] mkdirat(AT_FDCWD, "./config", 0777 [pid 2922] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2925] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2923] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2922] <... futex resumed>) = 0 [pid 2924] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2922] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2927] set_robust_list(0x5555810c5760, 24 [pid 2925] <... symlinkat resumed>) = 0 [pid 2924] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2923] <... futex resumed>) = 1 [pid 2919] <... futex resumed>) = 0 [pid 2925] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2919] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2925] <... futex resumed>) = 1 [pid 2922] <... futex resumed>) = 0 [pid 2919] <... futex resumed>) = 0 [pid 2925] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2924] <... futex resumed>) = 1 [pid 2923] mount(NULL, "./config", "configfs", 0, NULL [pid 2922] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2920] <... futex resumed>) = 0 [pid 2919] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2925] <... unlinkat resumed>) = 0 [pid 2924] mount(NULL, "./config", "configfs", 0, NULL [pid 2923] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2922] <... futex resumed>) = 0 [pid 2920] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2925] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2922] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2920] <... futex resumed>) = 0 [pid 2925] <... futex resumed>) = 0 [pid 2924] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2923] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2922] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2920] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2926] set_robust_list(0x7f85c0c359a0, 24 [pid 2925] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2924] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2923] <... futex resumed>) = 1 [pid 2922] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2920] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2919] <... futex resumed>) = 0 [pid 2927] <... set_robust_list resumed>) = 0 [pid 2926] <... set_robust_list resumed>) = 0 [pid 2925] <... unlinkat resumed>) = 0 [pid 2924] <... futex resumed>) = 0 [pid 2923] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2922] <... futex resumed>) = 0 [pid 2920] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2919] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2926] rt_sigprocmask(SIG_SETMASK, [] [pid 2925] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2924] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2923] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2922] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2920] <... futex resumed>) = 0 [pid 2919] <... futex resumed>) = 0 [pid 2926] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2925] <... futex resumed>) = 0 [pid 2924] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2923] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2922] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2920] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2919] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2927] rt_sigprocmask(SIG_SETMASK, [] [pid 2926] mkdirat(AT_FDCWD, "./config", 0777 [pid 2925] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2924] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2923] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2922] exit_group(0 [pid 2927] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2926] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2925] <... futex resumed>) = ? [pid 2924] <... futex resumed>) = 1 [pid 2923] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2922] <... exit_group resumed>) = ? [pid 2920] <... futex resumed>) = 0 [pid 2927] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2926] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2925] +++ exited with 0 +++ [pid 2924] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2923] <... futex resumed>) = 1 [pid 2920] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2919] <... futex resumed>) = 0 [pid 2926] <... futex resumed>) = 1 [pid 2921] <... futex resumed>) = 0 [pid 2920] <... futex resumed>) = 0 [pid 2926] mount(NULL, "./config", "configfs", 0, NULL [pid 2921] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2920] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2927] <... prctl resumed>) = 0 [pid 2926] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2924] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2923] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2922] +++ exited with 0 +++ [pid 2921] <... futex resumed>) = 0 [pid 2919] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2927] setpgid(0, 0 [pid 2926] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2924] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2923] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2921] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2919] <... futex resumed>) = 0 [pid 2927] <... setpgid resumed>) = 0 [pid 2926] <... futex resumed>) = 0 [pid 2924] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2923] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2921] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2919] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2922, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2927] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2926] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2924] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2923] <... futex resumed>) = 0 [pid 2921] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2919] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2926] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2924] <... futex resumed>) = 1 [pid 2923] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2921] <... futex resumed>) = 0 [pid 2920] <... futex resumed>) = 0 [pid 2919] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2927] <... openat resumed>) = 3 [pid 2926] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2924] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2923] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2921] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2920] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2919] <... futex resumed>) = 0 [pid 2927] write(3, "1000", 4 [pid 2926] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2924] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2923] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2920] <... futex resumed>) = 0 [pid 2919] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... restart_syscall resumed>) = 0 [pid 2926] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2920] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2926] <... futex resumed>) = 1 [pid 2921] <... futex resumed>) = 0 [pid 2926] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2924] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2921] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2926] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2924] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2923] <... mkdirat resumed>) = 0 [pid 2921] <... futex resumed>) = 0 [pid 2927] <... write resumed>) = 4 [pid 2926] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2924] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2923] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2921] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2927] close(3 [pid 2926] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2924] <... futex resumed>) = 1 [pid 2923] <... futex resumed>) = 1 [pid 2920] <... futex resumed>) = 0 [pid 2919] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2927] <... close resumed>) = 0 [pid 2926] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2924] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2923] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2920] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2919] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2927] write(1, "executing program\n", 18 [pid 2926] <... futex resumed>) = 1 [pid 2924] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2923] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2921] <... futex resumed>) = 0 [pid 2920] <... futex resumed>) = 0 [pid 2919] <... futex resumed>) = 0 [pid 2926] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2921] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2920] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2927] <... write resumed>) = 18 [pid 2926] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2924] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2923] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2921] <... futex resumed>) = 0 [pid 2919] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2927] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2926] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2924] <... symlinkat resumed>) = 0 executing program [pid 2921] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2923] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 2927] <... futex resumed>) = 0 [pid 2926] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2924] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2923] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2928 [pid 2927] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2926] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2924] <... futex resumed>) = 1 [pid 2923] <... futex resumed>) = 1 [pid 2920] <... futex resumed>) = 0 [pid 2919] <... futex resumed>) = 0 [pid 2927] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2926] <... futex resumed>) = 1 [pid 2924] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2923] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2921] <... futex resumed>) = 0 [pid 2920] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2919] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 2927] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2926] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2924] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2923] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2921] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2920] <... futex resumed>) = 0 [pid 2919] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2927] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2926] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2924] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2923] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2921] <... futex resumed>) = 0 [pid 2920] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2919] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2928 attached [pid 2927] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2926] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2924] <... unlinkat resumed>) = 0 [pid 2923] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2921] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2928] set_robust_list(0x5555810c5760, 24 [pid 2927] <... mmap resumed>) = 0x7f85c0c15000 [pid 2926] <... symlinkat resumed>) = 0 [pid 2924] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2923] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2928] <... set_robust_list resumed>) = 0 [pid 2927] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2926] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2928] rt_sigprocmask(SIG_SETMASK, [] [pid 2927] <... mprotect resumed>) = 0 [pid 2926] <... futex resumed>) = 1 [pid 2924] <... futex resumed>) = 1 [pid 2923] <... futex resumed>) = 1 [pid 2921] <... futex resumed>) = 0 [pid 2920] <... futex resumed>) = 0 [pid 2919] <... futex resumed>) = 0 [pid 2928] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2927] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2926] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2924] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2923] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2921] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2920] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2919] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2928] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2927] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2926] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2924] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2923] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2921] <... futex resumed>) = 0 [pid 2920] <... futex resumed>) = 0 [pid 2919] <... futex resumed>) = 0 [pid 2928] <... prctl resumed>) = 0 [pid 2927] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2926] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2924] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2923] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2921] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2920] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2919] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2928] setpgid(0, 0 [pid 2926] <... unlinkat resumed>) = 0 [pid 2928] <... setpgid resumed>) = 0 [pid 2926] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2928] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2926] <... futex resumed>) = 1 [pid 2921] <... futex resumed>) = 0 [pid 2928] <... openat resumed>) = 3 [pid 2927] <... clone3 resumed> => {parent_tid=[2929]}, 88) = 2929 [pid 2926] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2924] <... unlinkat resumed>) = 0 [pid 2923] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2921] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2928] write(3, "1000", 4 [pid 2927] rt_sigprocmask(SIG_SETMASK, [] [pid 2926] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2924] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2923] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2921] <... futex resumed>) = 0 [pid 2928] <... write resumed>) = 4 [pid 2927] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2926] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2924] <... futex resumed>) = 1 [pid 2923] <... futex resumed>) = 1 [pid 2921] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2920] <... futex resumed>) = 0 [pid 2919] <... futex resumed>) = 0 [pid 2928] close(3 [pid 2927] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2926] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2924] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2923] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2920] exit_group(0 [pid 2919] exit_group(0 [pid 2928] <... close resumed>) = 0 [pid 2927] <... futex resumed>) = 0 [pid 2926] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2924] <... futex resumed>) = ? [pid 2923] <... futex resumed>) = ? [pid 2920] <... exit_group resumed>) = ? [pid 2919] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 2929 attached [pid 2928] write(1, "executing program\n", 18 [pid 2927] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2926] <... futex resumed>) = 1 [pid 2924] +++ exited with 0 +++ [pid 2923] +++ exited with 0 +++ [pid 2921] <... futex resumed>) = 0 [pid 2920] +++ exited with 0 +++ [pid 2928] <... write resumed>) = 18 [pid 2926] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2921] exit_group(0 [pid 2928] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2926] <... futex resumed>) = ? [pid 2921] <... exit_group resumed>) = ? [pid 2929] set_robust_list(0x7f85c0c359a0, 24 [pid 2928] <... futex resumed>) = 0 [pid 2926] +++ exited with 0 +++ [pid 2921] +++ exited with 0 +++ [pid 2919] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2920, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 2928] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2919, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2921, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2928] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2928] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2928] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2928] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2928] <... mprotect resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2928] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2928] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2928] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[2930]}, 88) = 2930 [pid 2928] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2931 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2928] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2928] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2928] <... futex resumed>) = 0 [pid 2928] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2930 attached [pid 2930] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2932 [pid 2930] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 2930] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 2931 attached [pid 2929] <... set_robust_list resumed>) = 0 [pid 2930] mkdirat(AT_FDCWD, "./config", 0777 [pid 2929] rt_sigprocmask(SIG_SETMASK, [] [pid 2930] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2930] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2928] <... futex resumed>) = 0 [pid 2928] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2928] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2930] <... futex resumed>) = 1 [pid 2930] mount(NULL, "./config", "configfs", 0, NULL [pid 2931] set_robust_list(0x5555810c5760, 24 [pid 2929] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 2932 attached [pid 2932] set_robust_list(0x5555810c5760, 24) = 0 [pid 2929] mkdirat(AT_FDCWD, "./config", 0777 [pid 2932] rt_sigprocmask(SIG_SETMASK, [] [pid 2929] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2932] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2929] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2932] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2929] <... futex resumed>) = 1 [pid 2927] <... futex resumed>) = 0 [pid 2932] <... prctl resumed>) = 0 [pid 2927] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2929] mount(NULL, "./config", "configfs", 0, NULL [pid 2927] <... futex resumed>) = 0 [pid 2932] setpgid(0, 0 [pid 2927] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2932] <... setpgid resumed>) = 0 [pid 2929] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2932] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2929] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2930] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2929] <... futex resumed>) = 1 [pid 2927] <... futex resumed>) = 0 [pid 2927] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2929] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2927] <... futex resumed>) = 0 [pid 2927] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2929] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2929] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2931] <... set_robust_list resumed>) = 0 [pid 2930] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2929] <... futex resumed>) = 1 [pid 2927] <... futex resumed>) = 0 [pid 2927] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2929] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2927] <... futex resumed>) = 0 [pid 2927] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2929] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2929] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2932] <... openat resumed>) = 3 [pid 2932] write(3, "1000", 4) = 4 [pid 2932] close(3) = 0 [pid 2932] write(1, "executing program\n", 18 [pid 2929] <... futex resumed>) = 1 [pid 2927] <... futex resumed>) = 0 [pid 2932] <... write resumed>) = 18 executing program [pid 2929] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2927] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2931] rt_sigprocmask(SIG_SETMASK, [] [pid 2930] <... futex resumed>) = 1 [pid 2928] <... futex resumed>) = 0 [pid 2927] <... futex resumed>) = 0 [pid 2928] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2927] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2929] <... mkdirat resumed>) = 0 [pid 2928] <... futex resumed>) = 0 [pid 2931] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2930] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2928] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2932] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2929] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2931] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2930] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2927] <... futex resumed>) = 0 [pid 2929] <... futex resumed>) = 1 [pid 311] <... restart_syscall resumed>) = 0 [pid 2930] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2931] <... prctl resumed>) = 0 [pid 2929] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2927] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2930] <... futex resumed>) = 1 [pid 2928] <... futex resumed>) = 0 [pid 2928] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2927] <... futex resumed>) = 0 [pid 2928] <... futex resumed>) = 0 [pid 2927] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2931] setpgid(0, 0 [pid 2930] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2929] <... symlinkat resumed>) = 0 [pid 2928] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2931] <... setpgid resumed>) = 0 [pid 2930] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2929] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2930] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2929] <... futex resumed>) = 1 [pid 2927] <... futex resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2931] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2930] <... futex resumed>) = 1 [pid 2929] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2928] <... futex resumed>) = 0 [pid 2928] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2927] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2928] <... futex resumed>) = 0 [pid 2928] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2932] <... futex resumed>) = 0 [pid 2932] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2927] <... futex resumed>) = 0 [pid 2929] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2930] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2927] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2933 [pid 2929] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2932] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 2929] <... unlinkat resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2931] <... openat resumed>) = 3 [pid 2930] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2929] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2931] write(3, "1000", 4 [pid 2930] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2929] <... futex resumed>) = 1 [pid 2927] <... futex resumed>) = 0 [pid 2931] <... write resumed>) = 4 [pid 2930] <... futex resumed>) = 1 [pid 2929] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2928] <... futex resumed>) = 0 [pid 2927] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2931] close(3 [pid 2930] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2929] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2928] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2927] <... futex resumed>) = 0 [pid 2930] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2929] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2928] <... futex resumed>) = 0 [pid 2927] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2931] <... close resumed>) = 0 [pid 2928] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2932] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2929] <... unlinkat resumed>) = 0 [pid 2930] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2931] write(1, "executing program\n", 18 [pid 2929] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2932] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2929] <... futex resumed>) = 1 [pid 2927] <... futex resumed>) = 0 [pid 2932] <... mmap resumed>) = 0x7f85c0c15000 [pid 2931] <... write resumed>) = 18 [pid 2930] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) executing program [pid 2929] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2927] exit_group(0 [pid 2930] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2929] <... futex resumed>) = ? [pid 2927] <... exit_group resumed>) = ? [pid 2931] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2930] <... futex resumed>) = 1 [pid 2928] <... futex resumed>) = 0 [pid 2928] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2928] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2932] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2932] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2932] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2929] +++ exited with 0 +++ [pid 2927] +++ exited with 0 +++ [pid 2931] <... futex resumed>) = 0 [pid 2930] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2932] <... clone3 resumed> => {parent_tid=[2934]}, 88) = 2934 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2927, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2931] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2930] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2931] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2930] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2932] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2932] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2931] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2930] <... futex resumed>) = 1 [pid 2928] <... futex resumed>) = 0 [pid 2932] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2928] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... restart_syscall resumed>) = 0 [pid 2930] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2931] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2928] <... futex resumed>) = 0 [pid 2928] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2931] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2930] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2931] <... mmap resumed>) = 0x7f85c0c15000 [pid 2930] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2931] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2930] <... futex resumed>) = 1 [pid 2928] <... futex resumed>) = 0 [pid 2928] exit_group(0) = ? ci2-android-5-15/strace-static-x86_64: Process 2933 attached [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2935 [pid 2931] <... mprotect resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2931] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2933] set_robust_list(0x5555810c5760, 24) = 0 [pid 2933] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2933] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2931] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2930] +++ exited with 0 +++ [pid 2931] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2928] +++ exited with 0 +++ [pid 2933] setpgid(0, 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2928, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2931] <... clone3 resumed> => {parent_tid=[2936]}, 88) = 2936 [pid 2933] <... setpgid resumed>) = 0 [pid 2931] rt_sigprocmask(SIG_SETMASK, [] [pid 2933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2931] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 2934 attached [pid 2931] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2933] <... openat resumed>) = 3 [pid 2931] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2936 attached [pid 2934] set_robust_list(0x7f85c0c359a0, 24 [pid 2931] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2933] write(3, "1000", 4) = 4 [pid 2933] close(3) = 0 [pid 2933] write(1, "executing program\n", 18 [pid 2934] <... set_robust_list resumed>) = 0 [pid 2933] <... write resumed>) = 18 [pid 2933] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program ci2-android-5-15/strace-static-x86_64: Process 2935 attached [pid 2934] rt_sigprocmask(SIG_SETMASK, [] [pid 2933] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2935] set_robust_list(0x5555810c5760, 24 [pid 2933] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2935] <... set_robust_list resumed>) = 0 [pid 2933] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2936] set_robust_list(0x7f85c0c359a0, 24 [pid 2935] rt_sigprocmask(SIG_SETMASK, [] [pid 2934] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2933] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2935] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2933] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2935] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2933] <... mmap resumed>) = 0x7f85c0c15000 [pid 2934] mkdirat(AT_FDCWD, "./config", 0777 [pid 2936] <... set_robust_list resumed>) = 0 [pid 2935] <... prctl resumed>) = 0 [pid 2933] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2936] rt_sigprocmask(SIG_SETMASK, [] [pid 2935] setpgid(0, 0 [pid 2934] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2933] <... mprotect resumed>) = 0 [pid 2935] <... setpgid resumed>) = 0 [pid 2933] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2934] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2936] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2935] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2934] <... futex resumed>) = 1 [pid 2933] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2932] <... futex resumed>) = 0 [pid 2935] <... openat resumed>) = 3 [pid 2934] mount(NULL, "./config", "configfs", 0, NULL [pid 2933] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2932] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2936] mkdirat(AT_FDCWD, "./config", 0777 [pid 2935] write(3, "1000", 4 [pid 2932] <... futex resumed>) = 0 [pid 2935] <... write resumed>) = 4 [pid 2933] <... clone3 resumed> => {parent_tid=[2937]}, 88) = 2937 [pid 2932] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2935] close(3 [pid 2933] rt_sigprocmask(SIG_SETMASK, [] [pid 2935] <... close resumed>) = 0 [pid 2933] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2935] write(1, "executing program\n", 18 [pid 2933] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2935] <... write resumed>) = 18 executing program [pid 2933] <... futex resumed>) = 0 [pid 2935] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2933] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2935] <... futex resumed>) = 0 [pid 2935] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2935] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2936] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2934] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2934] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2936] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2935] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2934] <... futex resumed>) = 1 [pid 2932] <... futex resumed>) = 0 [pid 2936] <... futex resumed>) = 1 [pid 2935] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2934] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2932] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2931] <... futex resumed>) = 0 [pid 2936] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2935] <... mmap resumed>) = 0x7f85c0c15000 [pid 2934] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2932] <... futex resumed>) = 0 [pid 2931] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2936] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2935] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2934] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2932] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2931] <... futex resumed>) = 0 [pid 2936] mount(NULL, "./config", "configfs", 0, NULL [pid 2935] <... mprotect resumed>) = 0 [pid 2934] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2931] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2935] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2934] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2936] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2935] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2936] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2935] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2934] <... futex resumed>) = 1 [pid 2932] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2937 attached [pid 2936] <... futex resumed>) = 1 [pid 2934] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2932] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2931] <... futex resumed>) = 0 [pid 2936] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2935] <... clone3 resumed> => {parent_tid=[2938]}, 88) = 2938 [pid 2934] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2932] <... futex resumed>) = 0 [pid 2931] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2936] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2935] rt_sigprocmask(SIG_SETMASK, [] [pid 2934] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2932] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2931] <... futex resumed>) = 0 [pid 2937] set_robust_list(0x7f85c0c359a0, 24 [pid 2936] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2935] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2934] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2931] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2937] <... set_robust_list resumed>) = 0 [pid 2936] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2935] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2934] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2937] rt_sigprocmask(SIG_SETMASK, [] [pid 2936] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2935] <... futex resumed>) = 0 [pid 2936] <... futex resumed>) = 1 [pid 2935] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2934] <... futex resumed>) = 1 [pid 2937] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2932] <... futex resumed>) = 0 [pid 2931] <... futex resumed>) = 0 [pid 2936] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2934] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2932] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2931] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2937] mkdirat(AT_FDCWD, "./config", 0777 [pid 2936] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2934] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2932] <... futex resumed>) = 0 [pid 2931] <... futex resumed>) = 0 [pid 2937] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2936] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2934] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2932] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2931] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2937] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2936] <... mkdirat resumed>) = -1 EEXIST (File exists) ci2-android-5-15/strace-static-x86_64: Process 2938 attached [pid 2934] <... mkdirat resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 2937] <... futex resumed>) = 1 [pid 2936] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2934] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2933] <... futex resumed>) = 0 [pid 2937] mount(NULL, "./config", "configfs", 0, NULL [pid 2936] <... futex resumed>) = 1 [pid 2934] <... futex resumed>) = 1 [pid 2933] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2932] <... futex resumed>) = 0 [pid 2931] <... futex resumed>) = 0 [pid 2937] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2936] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2934] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2933] <... futex resumed>) = 0 [pid 2932] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2931] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2937] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2936] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2934] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2933] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2932] <... futex resumed>) = 0 [pid 2931] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2937] <... futex resumed>) = 0 [pid 2936] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2934] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2933] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2932] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2931] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2937] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2936] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2934] <... symlinkat resumed>) = 0 [pid 2933] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2933] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2938] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2938] rt_sigprocmask(SIG_SETMASK, [] [pid 2934] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2936] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2937] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2934] <... futex resumed>) = 1 [pid 2936] <... futex resumed>) = 1 [pid 2932] <... futex resumed>) = 0 [pid 2931] <... futex resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2939 [pid 2937] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2936] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2934] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2932] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2931] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 2937] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2936] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2934] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2932] <... futex resumed>) = 0 [pid 2931] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2937] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2936] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2934] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2932] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2931] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2936] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 2938] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2937] <... futex resumed>) = 1 [pid 2934] <... unlinkat resumed>) = 0 [pid 2933] <... futex resumed>) = 0 [pid 2938] mkdirat(AT_FDCWD, "./config", 0777 [pid 2937] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2936] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2934] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2933] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2938] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2937] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2936] <... futex resumed>) = 1 [pid 2934] <... futex resumed>) = 1 [pid 2933] <... futex resumed>) = 0 [pid 2932] <... futex resumed>) = 0 [pid 2931] <... futex resumed>) = 0 [pid 2938] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2937] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2936] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2934] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2933] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2932] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2938] <... futex resumed>) = 1 [pid 2937] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2936] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2935] <... futex resumed>) = 0 [pid 2934] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2932] <... futex resumed>) = 0 [pid 2931] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2938] mount(NULL, "./config", "configfs", 0, NULL [pid 2937] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2936] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2935] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2934] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2932] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2931] <... futex resumed>) = 0 [pid 2938] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2937] <... futex resumed>) = 1 [pid 2936] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2935] <... futex resumed>) = 0 [pid 2934] <... unlinkat resumed>) = 0 [pid 2933] <... futex resumed>) = 0 [pid 2931] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2938] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2937] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2936] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2935] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2934] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2933] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2931] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2938] <... futex resumed>) = 0 [pid 2937] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2936] <... futex resumed>) = 0 [pid 2935] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2934] <... futex resumed>) = 1 [pid 2933] <... futex resumed>) = 0 [pid 2932] <... futex resumed>) = 0 [pid 2931] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2938] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2937] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2936] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2935] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2934] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2933] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2932] exit_group(0 [pid 2931] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2939 attached [pid 2938] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2937] <... mkdirat resumed>) = 0 [pid 2936] <... unlinkat resumed>) = 0 [pid 2935] <... futex resumed>) = 0 [pid 2934] <... futex resumed>) = ? [pid 2932] <... exit_group resumed>) = ? [pid 2931] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2939] set_robust_list(0x5555810c5760, 24 [pid 2938] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2937] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2936] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2935] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2934] +++ exited with 0 +++ [pid 2939] <... set_robust_list resumed>) = 0 [pid 2938] <... futex resumed>) = 0 [pid 2935] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2939] rt_sigprocmask(SIG_SETMASK, [] [pid 2938] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2935] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2939] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2938] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2935] <... futex resumed>) = 0 [pid 2932] +++ exited with 0 +++ [pid 2931] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2939] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2938] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2937] <... futex resumed>) = 1 [pid 2936] <... futex resumed>) = 0 [pid 2935] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2933] <... futex resumed>) = 0 [pid 2931] exit_group(0 [pid 2939] <... prctl resumed>) = 0 [pid 2938] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2937] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2933] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2931] <... exit_group resumed>) = ? [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2932, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2939] setpgid(0, 0 [pid 2938] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2937] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2933] <... futex resumed>) = 0 [pid 2939] <... setpgid resumed>) = 0 [pid 2938] <... futex resumed>) = 1 [pid 2935] <... futex resumed>) = 0 [pid 2933] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2939] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2938] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2935] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2939] <... openat resumed>) = 3 [pid 2938] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2936] +++ exited with 0 +++ [pid 2935] <... futex resumed>) = 0 [pid 2931] +++ exited with 0 +++ [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2939] write(3, "1000", 4 [pid 2938] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2937] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2935] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2939] <... write resumed>) = 4 [pid 2938] <... mkdirat resumed>) = 0 [pid 2939] close(3 [pid 2938] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2937] <... symlinkat resumed>) = 0 [pid 2939] <... close resumed>) = 0 [pid 2938] <... futex resumed>) = 1 [pid 2937] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2935] <... futex resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2931, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2939] write(1, "executing program\n", 18 [pid 2938] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2937] <... futex resumed>) = 1 [pid 2935] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2933] <... futex resumed>) = 0 [pid 2939] <... write resumed>) = 18 [pid 2938] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 2937] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2935] <... futex resumed>) = 0 [pid 2933] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2939] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2938] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2937] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2935] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2933] <... futex resumed>) = 0 [pid 2939] <... futex resumed>) = 0 [pid 2938] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 2937] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2933] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... restart_syscall resumed>) = 0 [pid 2939] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2938] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2937] <... unlinkat resumed>) = 0 [pid 2939] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2938] <... futex resumed>) = 1 [pid 2937] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2935] <... futex resumed>) = 0 [pid 2939] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2938] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2937] <... futex resumed>) = 1 [pid 2935] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2933] <... futex resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 2939] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2938] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2937] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2935] <... futex resumed>) = 0 [pid 2933] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2939] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2938] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2937] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2935] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2933] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2939] <... mmap resumed>) = 0x7f85c0c15000 [pid 2938] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2937] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2933] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2939] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2938] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2937] <... unlinkat resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2939] <... mprotect resumed>) = 0 [pid 2938] <... futex resumed>) = 1 [pid 2937] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2935] <... futex resumed>) = 0 [pid 2939] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2938] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2937] <... futex resumed>) = 1 [pid 2935] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2933] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2939] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2938] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2937] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2935] <... futex resumed>) = 0 [pid 2933] exit_group(0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2940 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2939] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2938] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2937] <... futex resumed>) = ? [pid 2935] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2933] <... exit_group resumed>) = ? [pid 2938] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2937] +++ exited with 0 +++ [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2939] <... clone3 resumed> => {parent_tid=[2941]}, 88) = 2941 [pid 2938] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2939] rt_sigprocmask(SIG_SETMASK, [] [pid 2938] <... futex resumed>) = 1 [pid 2935] <... futex resumed>) = 0 [pid 2939] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2938] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2935] exit_group(0 [pid 2939] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2938] <... futex resumed>) = ? [pid 2935] <... exit_group resumed>) = ? [pid 2933] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 2942 attached ci2-android-5-15/strace-static-x86_64: Process 2941 attached [pid 2939] <... futex resumed>) = 0 [pid 2938] +++ exited with 0 +++ [pid 2935] +++ exited with 0 +++ [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2942 [pid 2939] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2935, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2933, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 2940 attached , NULL, 8) = 0 [pid 2940] set_robust_list(0x5555810c5760, 24) = 0 [pid 2940] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2940] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2941] set_robust_list(0x7f85c0c359a0, 24 [pid 2940] <... prctl resumed>) = 0 [pid 2940] setpgid(0, 0) = 0 [pid 2940] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2942] set_robust_list(0x5555810c5760, 24 [pid 2941] <... set_robust_list resumed>) = 0 [pid 2942] <... set_robust_list resumed>) = 0 [pid 2941] rt_sigprocmask(SIG_SETMASK, [] [pid 2940] <... openat resumed>) = 3 [pid 2940] write(3, "1000", 4) = 4 [pid 2940] close(3) = 0 [pid 2940] write(1, "executing program\n", 18 [pid 2941] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2940] <... write resumed>) = 18 executing program [pid 2940] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2940] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2940] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2941] mkdirat(AT_FDCWD, "./config", 0777 [pid 2942] rt_sigprocmask(SIG_SETMASK, [] [pid 2940] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2940] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2940] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2942] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2941] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... restart_syscall resumed>) = 0 [pid 2942] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2941] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2940] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 2943 attached [pid 2942] <... prctl resumed>) = 0 [pid 2941] <... futex resumed>) = 1 [pid 2940] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2939] <... futex resumed>) = 0 [pid 2939] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2943 [pid 2939] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 2939] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2941] mount(NULL, "./config", "configfs", 0, NULLci2-android-5-15/strace-static-x86_64: Process 2944 attached [pid 2944] set_robust_list(0x7f85c0c359a0, 24 [pid 2942] setpgid(0, 0 [pid 2941] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2940] <... clone3 resumed> => {parent_tid=[2944]}, 88) = 2944 [pid 2944] <... set_robust_list resumed>) = 0 [pid 2944] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2944] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2942] <... setpgid resumed>) = 0 [pid 2941] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2940] rt_sigprocmask(SIG_SETMASK, [] [pid 2943] set_robust_list(0x5555810c5760, 24 [pid 2942] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2941] <... futex resumed>) = 1 [pid 2940] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2939] <... futex resumed>) = 0 [pid 2939] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2939] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2941] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2942] <... openat resumed>) = 3 [pid 2941] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2940] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2942] write(3, "1000", 4 [pid 2941] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... restart_syscall resumed>) = 0 [pid 2942] <... write resumed>) = 4 [pid 2941] <... futex resumed>) = 1 [pid 2939] <... futex resumed>) = 0 [pid 2940] <... futex resumed>) = 1 [pid 2942] close(3 [pid 2941] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2939] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2941] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2939] <... futex resumed>) = 0 [pid 2942] <... close resumed>) = 0 [pid 2941] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2940] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2939] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2942] write(1, "executing program\n", 18 [pid 2941] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2942] <... write resumed>) = 18 [pid 2941] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2942] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2939] <... futex resumed>) = 0 [pid 2939] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2939] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2944] <... futex resumed>) = 0 executing program [pid 2944] mkdirat(AT_FDCWD, "./config", 0777 [pid 2942] <... futex resumed>) = 0 [pid 2941] <... futex resumed>) = 1 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2945 [pid 2942] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2941] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2942] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 2944] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2944] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2944] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2942] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2940] <... futex resumed>) = 0 [pid 2942] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2941] <... mkdirat resumed>) = 0 [pid 2940] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2942] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2941] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2940] <... futex resumed>) = 0 [pid 2944] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2942] <... mmap resumed>) = 0x7f85c0c15000 [pid 2941] <... futex resumed>) = 1 [pid 2940] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2939] <... futex resumed>) = 0 [pid 2944] mount(NULL, "./config", "configfs", 0, NULL [pid 2942] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2941] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2939] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2944] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2943] <... set_robust_list resumed>) = 0 [pid 2942] <... mprotect resumed>) = 0 [pid 2941] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2939] <... futex resumed>) = 0 [pid 2939] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2942] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2944] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2941] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2944] <... futex resumed>) = 1 [pid 2943] rt_sigprocmask(SIG_SETMASK, [] [pid 2942] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2940] <... futex resumed>) = 0 [pid 2942] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2941] <... symlinkat resumed>) = 0 [pid 2944] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2940] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2945 attached [pid 2941] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2940] <... futex resumed>) = 0 [pid 2941] <... futex resumed>) = 1 [pid 2940] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2939] <... futex resumed>) = 0 [pid 2944] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2943] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2942] <... clone3 resumed> => {parent_tid=[2946]}, 88) = 2946 [pid 2941] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2939] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2944] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2943] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2942] rt_sigprocmask(SIG_SETMASK, [] [pid 2941] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2939] <... futex resumed>) = 0 [pid 2944] <... futex resumed>) = 1 [pid 2943] <... prctl resumed>) = 0 [pid 2942] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2941] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2940] <... futex resumed>) = 0 [pid 2939] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2944] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2945] set_robust_list(0x5555810c5760, 24) = 0 [pid 2945] rt_sigprocmask(SIG_SETMASK, [] [pid 2941] <... unlinkat resumed>) = 0 [pid 2940] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2942] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2944] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2943] setpgid(0, 0 [pid 2942] <... futex resumed>) = 0 [pid 2941] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2940] <... futex resumed>) = 0 [pid 2945] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2944] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2943] <... setpgid resumed>) = 0 [pid 2942] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2941] <... futex resumed>) = 1 [pid 2940] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2939] <... futex resumed>) = 0 [pid 2945] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2944] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2943] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2941] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2939] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2945] <... prctl resumed>) = 0 [pid 2944] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2941] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2939] <... futex resumed>) = 0 [pid 2944] <... futex resumed>) = 1 [pid 2941] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2940] <... futex resumed>) = 0 [pid 2939] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2943] <... openat resumed>) = 3 [pid 2945] setpgid(0, 0ci2-android-5-15/strace-static-x86_64: Process 2946 attached [pid 2941] <... unlinkat resumed>) = 0 [pid 2940] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2944] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2945] <... setpgid resumed>) = 0 [pid 2943] write(3, "1000", 4 [pid 2941] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2940] <... futex resumed>) = 0 [pid 2941] <... futex resumed>) = 1 [pid 2940] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2939] <... futex resumed>) = 0 [pid 2941] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2939] exit_group(0 [pid 2944] <... mkdirat resumed>) = 0 [pid 2943] <... write resumed>) = 4 [pid 2941] <... futex resumed>) = ? [pid 2939] <... exit_group resumed>) = ? [pid 2945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2944] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2943] close(3 [pid 2941] +++ exited with 0 +++ [pid 2939] +++ exited with 0 +++ [pid 2946] set_robust_list(0x7f85c0c359a0, 24 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2939, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2940] <... futex resumed>) = 0 [pid 2944] <... futex resumed>) = 1 [pid 2943] <... close resumed>) = 0 [pid 2940] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2944] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2943] write(1, "executing program\n", 18 [pid 2940] <... futex resumed>) = 0 [pid 2945] <... openat resumed>) = 3 [pid 2940] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2946] <... set_robust_list resumed>) = 0 [pid 2946] rt_sigprocmask(SIG_SETMASK, [] [pid 2945] write(3, "1000", 4 [pid 2944] <... symlinkat resumed>) = 0 [pid 2943] <... write resumed>) = 18 [pid 2944] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 2943] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2944] <... futex resumed>) = 1 [pid 2940] <... futex resumed>) = 0 [pid 2946] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2945] <... write resumed>) = 4 [pid 2944] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2943] <... futex resumed>) = 0 [pid 2945] close(3 [pid 2944] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2940] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2944] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2943] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2940] <... futex resumed>) = 0 [pid 2945] <... close resumed>) = 0 [pid 2944] <... unlinkat resumed>) = 0 [pid 2943] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2940] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2944] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2943] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2945] write(1, "executing program\n", 18 [pid 2944] <... futex resumed>) = 0 [pid 2943] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2940] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2945] <... write resumed>) = 18 [pid 2944] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2943] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2944] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 2940] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2945] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2944] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2943] <... mmap resumed>) = 0x7f85c0c15000 [pid 2940] <... futex resumed>) = 0 [pid 2946] mkdirat(AT_FDCWD, "./config", 0777 [pid 2940] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2945] <... futex resumed>) = 0 [pid 2944] <... unlinkat resumed>) = 0 [pid 2943] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2945] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2944] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2943] <... mprotect resumed>) = 0 [pid 2945] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2944] <... futex resumed>) = 1 [pid 2940] <... futex resumed>) = 0 [pid 2945] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2944] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2943] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2940] exit_group(0 [pid 2945] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2943] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2944] <... futex resumed>) = ? [pid 2940] <... exit_group resumed>) = ? [pid 2945] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2943] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2946] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2946] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2942] <... futex resumed>) = 0 [pid 2946] mount(NULL, "./config", "configfs", 0, NULL [pid 2942] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2946] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2942] <... futex resumed>) = 0 [pid 2946] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2944] +++ exited with 0 +++ [pid 2942] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2940] +++ exited with 0 +++ [pid 2946] <... futex resumed>) = 0 [pid 2942] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2946] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2945] <... mmap resumed>) = 0x7f85c0c15000 [pid 2943] <... clone3 resumed> => {parent_tid=[2947]}, 88) = 2947 [pid 2942] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2940, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2946] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2945] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2943] rt_sigprocmask(SIG_SETMASK, [] [pid 2942] <... futex resumed>) = 0 [pid 2946] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2945] <... mprotect resumed>) = 0 [pid 2943] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2942] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2946] <... futex resumed>) = 0 [pid 2945] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2943] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2942] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2946] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2945] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2943] <... futex resumed>) = 0 [pid 2942] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2946] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2945] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2943] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2942] <... futex resumed>) = 0 [pid 2946] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2942] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2946] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2945] <... clone3 resumed> => {parent_tid=[2948]}, 88) = 2948 [pid 2946] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2945] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 2948 attached [pid 2946] <... futex resumed>) = 1 [pid 2946] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 2947 attached [pid 2947] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2947] rt_sigprocmask(SIG_SETMASK, [] [pid 2942] <... futex resumed>) = 0 [pid 2945] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2942] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2945] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2946] <... futex resumed>) = 0 [pid 2942] <... futex resumed>) = 1 [pid 2946] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2945] <... futex resumed>) = 0 [pid 2942] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2948] set_robust_list(0x7f85c0c359a0, 24 [pid 2946] <... mkdirat resumed>) = 0 [pid 2945] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... restart_syscall resumed>) = 0 [pid 2946] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2942] <... futex resumed>) = 0 [pid 2946] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 2942] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2946] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2942] <... futex resumed>) = 0 [pid 2948] <... set_robust_list resumed>) = 0 [pid 2946] <... symlinkat resumed>) = 0 [pid 2942] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2946] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2942] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 2946] <... futex resumed>) = 0 [pid 2942] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2946] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2942] <... futex resumed>) = 0 [pid 2946] <... unlinkat resumed>) = 0 [pid 2946] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2946] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2947] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2947] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 2942] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2949 [pid 2942] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2942] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2947] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2946] <... futex resumed>) = 0 [pid 2942] <... futex resumed>) = 1 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2947] <... futex resumed>) = 1 [pid 2946] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2943] <... futex resumed>) = 0 [pid 2942] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2947] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2946] <... unlinkat resumed>) = 0 [pid 2947] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2946] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2943] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2947] mount(NULL, "./config", "configfs", 0, NULL [pid 2946] <... futex resumed>) = 1 [pid 2943] <... futex resumed>) = 0 [pid 2942] <... futex resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2950 [pid 2947] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2946] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2943] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2942] exit_group(0 [pid 2947] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2943] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 2946] <... futex resumed>) = ? [pid 2942] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 2950 attached [pid 2948] rt_sigprocmask(SIG_SETMASK, [] [pid 2947] <... futex resumed>) = 0 [pid 2946] +++ exited with 0 +++ [pid 2943] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2947] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 2947] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2942] +++ exited with 0 +++ [pid 2947] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2943] <... futex resumed>) = 0 [pid 2943] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2942, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2943] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2943] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2947] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2943] <... futex resumed>) = 0 [pid 2947] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2943] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2949 attached [pid 2948] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2947] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2949] set_robust_list(0x5555810c5760, 24 [pid 2947] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2949] <... set_robust_list resumed>) = 0 [pid 2948] mkdirat(AT_FDCWD, "./config", 0777 [pid 2947] <... futex resumed>) = 1 [pid 2943] <... futex resumed>) = 0 [pid 2949] rt_sigprocmask(SIG_SETMASK, [] [pid 2947] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2943] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2950] set_robust_list(0x5555810c5760, 24 [pid 2949] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2948] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2943] <... futex resumed>) = 0 [pid 2950] <... set_robust_list resumed>) = 0 [pid 2949] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2948] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2947] <... mkdirat resumed>) = 0 [pid 2943] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2949] <... prctl resumed>) = 0 [pid 2947] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2943] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2949] setpgid(0, 0 [pid 2947] <... futex resumed>) = 0 [pid 2949] <... setpgid resumed>) = 0 [pid 2947] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2943] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2950] rt_sigprocmask(SIG_SETMASK, [] [pid 2949] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2948] <... futex resumed>) = 1 [pid 2947] <... symlinkat resumed>) = 0 [pid 2945] <... futex resumed>) = 0 [pid 2943] <... futex resumed>) = 0 [pid 2950] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2949] <... openat resumed>) = 3 [pid 2948] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2947] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2945] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2943] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2949] write(3, "1000", 4 [pid 2948] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2947] <... futex resumed>) = 0 [pid 2945] <... futex resumed>) = 0 [pid 2943] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2949] <... write resumed>) = 4 [pid 2948] mount(NULL, "./config", "configfs", 0, NULL [pid 2947] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2945] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2943] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2949] close(3 [pid 2947] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2943] <... futex resumed>) = 0 [pid 2949] <... close resumed>) = 0 [pid 2948] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2947] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2943] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2950] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2949] write(1, "executing program\n", 18 [pid 2948] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2947] <... unlinkat resumed>) = 0 executing program [pid 2949] <... write resumed>) = 18 [pid 2947] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2949] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2947] <... futex resumed>) = 1 [pid 2948] <... futex resumed>) = 1 [pid 2945] <... futex resumed>) = 0 [pid 2943] <... futex resumed>) = 0 [pid 2949] <... futex resumed>) = 0 [pid 2948] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2947] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2945] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2943] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2949] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2947] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2945] <... futex resumed>) = 0 [pid 2943] <... futex resumed>) = 0 [pid 2950] <... prctl resumed>) = 0 [pid 2949] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2948] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2947] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2945] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2943] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2950] setpgid(0, 0 [pid 2949] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2948] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2947] <... unlinkat resumed>) = 0 [pid 2945] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2950] <... setpgid resumed>) = 0 [pid 2949] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2948] <... futex resumed>) = 0 [pid 2947] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2945] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2949] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2948] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2947] <... futex resumed>) = 1 [pid 2945] <... futex resumed>) = 0 [pid 2943] <... futex resumed>) = 0 [pid 2950] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2949] <... mmap resumed>) = 0x7f85c0c15000 [pid 2948] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2947] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2945] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2943] exit_group(0 [pid 2949] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2948] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2945] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2947] <... futex resumed>) = ? [pid 2943] <... exit_group resumed>) = ? [pid 2950] <... openat resumed>) = 3 [pid 2949] <... mprotect resumed>) = 0 [pid 2948] <... futex resumed>) = 0 [pid 2947] +++ exited with 0 +++ [pid 2945] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2949] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2949] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2950] write(3, "1000", 4 [pid 2948] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2945] <... futex resumed>) = 0 [pid 2943] +++ exited with 0 +++ [pid 2950] <... write resumed>) = 4 [pid 2949] <... clone3 resumed> => {parent_tid=[2951]}, 88) = 2951 [pid 2948] <... mkdirat resumed>) = 0 [pid 2945] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2943, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] <... restart_syscall resumed>) = 0 [pid 2950] close(3 [pid 2949] rt_sigprocmask(SIG_SETMASK, [] [pid 2948] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2945] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2950] <... close resumed>) = 0 [pid 2949] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2948] <... futex resumed>) = 0 [pid 2945] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2950] write(1, "executing program\n", 18 [pid 2949] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2945] <... futex resumed>) = 0 [pid 2949] <... futex resumed>) = 0 executing program [pid 2948] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2945] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2950] <... write resumed>) = 18 [pid 2949] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2950] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2948] <... symlinkat resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2950] <... futex resumed>) = 0 [pid 2948] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2951 attached [pid 2951] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2951] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2945] <... futex resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2952 [pid 2950] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2948] <... futex resumed>) = 1 [pid 2945] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 2945] <... futex resumed>) = 0 [pid 2950] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2948] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2945] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2948] <... unlinkat resumed>) = 0 [pid 2950] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2948] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2950] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2948] <... futex resumed>) = 1 [pid 2945] <... futex resumed>) = 0 [pid 2950] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2948] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2945] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2948] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2945] <... futex resumed>) = 0 [pid 2950] <... mmap resumed>) = 0x7f85c0c15000 [pid 2948] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2945] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2951] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 2948] <... unlinkat resumed>) = 0 [pid 2950] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2948] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2950] <... mprotect resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 2948] <... futex resumed>) = 1 [pid 2945] <... futex resumed>) = 0 [pid 2950] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2948] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2945] exit_group(0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2945] <... exit_group resumed>) = ? [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2950] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2948] <... futex resumed>) = ? [pid 2950] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2953 [pid 311] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2951] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2949] <... futex resumed>) = 0 [pid 2949] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2948] +++ exited with 0 +++ [pid 2945] +++ exited with 0 +++ [pid 2949] <... futex resumed>) = 0 [pid 2949] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2945, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2950] <... clone3 resumed> => {parent_tid=[2954]}, 88) = 2954 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2950] rt_sigprocmask(SIG_SETMASK, [] [pid 2951] <... futex resumed>) = 1 [pid 2950] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2951] mount(NULL, "./config", "configfs", 0, NULL [pid 2950] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2951] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2950] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2954 attached ci2-android-5-15/strace-static-x86_64: Process 2953 attached [pid 2950] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2951] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2949] <... futex resumed>) = 0 [pid 2949] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2949] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2951] <... futex resumed>) = 1 [pid 2951] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 2951] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2953] set_robust_list(0x5555810c5760, 24 [pid 2949] <... futex resumed>) = 0 [pid 2949] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2949] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2951] <... futex resumed>) = 1 [pid 2951] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 2953] <... set_robust_list resumed>) = 0 [pid 2954] set_robust_list(0x7f85c0c359a0, 24 [pid 2951] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2949] <... futex resumed>) = 0 [pid 2953] rt_sigprocmask(SIG_SETMASK, [] [pid 2954] <... set_robust_list resumed>) = 0 [pid 2951] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2949] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2954] rt_sigprocmask(SIG_SETMASK, [] [pid 2953] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2951] <... mkdirat resumed>) = 0 [pid 2949] <... futex resumed>) = 0 [pid 2951] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2949] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2951] <... futex resumed>) = 0 [pid 2949] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2951] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2949] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2954] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2953] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2951] <... symlinkat resumed>) = 0 [pid 2949] <... futex resumed>) = 0 [pid 2951] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2949] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2951] <... futex resumed>) = 0 [pid 2949] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2951] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2949] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2951] <... unlinkat resumed>) = 0 [pid 2949] <... futex resumed>) = 0 [pid 2953] <... prctl resumed>) = 0 [pid 2951] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2949] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2954] mkdirat(AT_FDCWD, "./config", 0777 [pid 2953] setpgid(0, 0 [pid 2951] <... futex resumed>) = 0 [pid 2949] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2951] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2949] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... restart_syscall resumed>) = 0 [pid 2954] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2953] <... setpgid resumed>) = 0 [pid 2951] <... unlinkat resumed>) = 0 [pid 2949] <... futex resumed>) = 0 [pid 2951] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2949] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2951] <... futex resumed>) = 0 [pid 2949] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2954] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2951] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2949] exit_group(0 [pid 2954] <... futex resumed>) = 1 [pid 2951] <... futex resumed>) = ? [pid 2950] <... futex resumed>) = 0 [pid 2949] <... exit_group resumed>) = ? [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2954] mount(NULL, "./config", "configfs", 0, NULL [pid 2953] <... openat resumed>) = 3 [pid 2951] +++ exited with 0 +++ [pid 2950] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2949] +++ exited with 0 +++ [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2953] write(3, "1000", 4 [pid 2950] <... futex resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2953] <... write resumed>) = 4 [pid 2950] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2955 attached ci2-android-5-15/strace-static-x86_64: Process 2952 attached [pid 2954] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2953] close(3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2949, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2954] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2953] <... close resumed>) = 0 [pid 2952] set_robust_list(0x5555810c5760, 24 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2955 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2952] <... set_robust_list resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... restart_syscall resumed>) = 0 [pid 2954] <... futex resumed>) = 1 [pid 2953] write(1, "executing program\n", 18 [pid 2952] rt_sigprocmask(SIG_SETMASK, [] [pid 2950] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 2954] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2953] <... write resumed>) = 18 [pid 2952] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2950] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2953] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2952] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2950] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2954] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2953] <... futex resumed>) = 0 [pid 2950] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2954] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2953] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2950] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2954] <... futex resumed>) = 0 [pid 2953] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2950] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2952] <... prctl resumed>) = 0 [pid 2952] setpgid(0, 0) = 0 [pid 2952] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2954] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2953] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2952] <... openat resumed>) = 3 [pid 2950] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2956 attached [pid 2955] set_robust_list(0x5555810c5760, 24 [pid 2954] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2953] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2952] write(3, "1000", 4 [pid 2950] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2956 [pid 2954] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2953] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2950] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2954] <... futex resumed>) = 0 [pid 2953] <... mmap resumed>) = 0x7f85c0c15000 [pid 2952] <... write resumed>) = 4 [pid 2950] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2954] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2953] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2952] close(3 [pid 2950] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2950] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2953] <... mprotect resumed>) = 0 [pid 2953] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2955] <... set_robust_list resumed>) = 0 [pid 2955] rt_sigprocmask(SIG_SETMASK, [] [pid 2954] <... mkdirat resumed>) = 0 [pid 2953] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2952] <... close resumed>) = 0 [pid 2954] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2953] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2954] <... futex resumed>) = 1 [pid 2952] write(1, "executing program\n", 18 [pid 2950] <... futex resumed>) = 0 [pid 2955] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 2955] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2954] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2952] <... write resumed>) = 18 [pid 2950] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2955] <... prctl resumed>) = 0 [pid 2953] <... clone3 resumed> => {parent_tid=[2957]}, 88) = 2957 [pid 2950] <... futex resumed>) = 0 [pid 2954] <... symlinkat resumed>) = 0 [pid 2953] rt_sigprocmask(SIG_SETMASK, [] [pid 2952] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2950] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2954] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2953] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2950] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2954] <... futex resumed>) = 0 [pid 2953] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2952] <... futex resumed>) = 0 [pid 2950] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2954] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2953] <... futex resumed>) = 0 [pid 2952] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2950] <... futex resumed>) = 0 [pid 2954] <... unlinkat resumed>) = 0 [pid 2953] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2950] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2952] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2954] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2950] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2954] <... futex resumed>) = 0 [pid 2952] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2950] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2954] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2950] <... futex resumed>) = 0 [pid 2952] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2950] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2955] setpgid(0, 0) = 0 [pid 2954] <... unlinkat resumed>) = 0 [pid 2952] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2955] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2954] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2957 attached [pid 2956] set_robust_list(0x5555810c5760, 24 [pid 2955] <... openat resumed>) = 3 [pid 2954] <... futex resumed>) = 1 [pid 2952] <... mmap resumed>) = 0x7f85c0c15000 [pid 2950] <... futex resumed>) = 0 [pid 2957] set_robust_list(0x7f85c0c359a0, 24 [pid 2955] write(3, "1000", 4 [pid 2954] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2955] <... write resumed>) = 4 [pid 2952] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2950] exit_group(0 [pid 2955] close(3) = 0 [pid 2954] <... futex resumed>) = ? [pid 2952] <... mprotect resumed>) = 0 [pid 2950] <... exit_group resumed>) = ? [pid 2955] write(1, "executing program\n", 18 [pid 2954] +++ exited with 0 +++ [pid 2955] <... write resumed>) = 18 [pid 2955] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2955] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2955] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2950] +++ exited with 0 +++ [pid 2955] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2955] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2950, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2956] <... set_robust_list resumed>) = 0 [pid 2955] <... mprotect resumed>) = 0 executing program [pid 2952] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2956] rt_sigprocmask(SIG_SETMASK, [] [pid 2955] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2952] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2955] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2955] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[2958]}, 88) = 2958 [pid 2957] <... set_robust_list resumed>) = 0 [pid 2956] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2955] rt_sigprocmask(SIG_SETMASK, [] [pid 2952] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2955] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2955] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2957] rt_sigprocmask(SIG_SETMASK, [] [pid 2956] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2955] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2952] <... clone3 resumed> => {parent_tid=[2959]}, 88) = 2959 ci2-android-5-15/strace-static-x86_64: Process 2959 attached [pid 2957] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2956] <... prctl resumed>) = 0 [pid 2952] rt_sigprocmask(SIG_SETMASK, [] [pid 2959] set_robust_list(0x7f85c0c359a0, 24 [pid 2956] setpgid(0, 0 [pid 2952] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2957] mkdirat(AT_FDCWD, "./config", 0777 [pid 2952] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2956] <... setpgid resumed>) = 0 [pid 2952] <... futex resumed>) = 0 [pid 2957] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2959] <... set_robust_list resumed>) = 0 [pid 2956] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2957] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2952] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2959] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2959] mkdirat(AT_FDCWD, "./config", 0777 [pid 2957] <... futex resumed>) = 1 [pid 2956] <... openat resumed>) = 3 [pid 2953] <... futex resumed>) = 0 [pid 2959] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2957] mount(NULL, "./config", "configfs", 0, NULL [pid 2956] write(3, "1000", 4 [pid 2953] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2959] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2953] <... futex resumed>) = 0 [pid 2956] <... write resumed>) = 4 [pid 2957] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2953] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2956] close(3 [pid 2957] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2952] <... futex resumed>) = 0 [pid 2952] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2952] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2959] <... futex resumed>) = 1 [pid 2959] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 2956] <... close resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2958 attached [pid 2957] <... futex resumed>) = 1 [pid 2953] <... futex resumed>) = 0 [pid 2959] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2956] write(1, "executing program\n", 18 [pid 2953] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2957] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2956] <... write resumed>) = 18 [pid 2953] <... futex resumed>) = 0 [pid 2953] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2952] <... futex resumed>) = 0 executing program [pid 2956] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2957] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2952] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2952] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2957] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2956] <... futex resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 2957] <... futex resumed>) = 1 [pid 2956] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2953] <... futex resumed>) = 0 [pid 2959] <... futex resumed>) = 1 [pid 2957] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2956] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2953] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2957] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2956] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2953] <... futex resumed>) = 0 [pid 2957] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2956] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2953] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2959] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2958] set_robust_list(0x7f85c0c359a0, 24 [pid 2957] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2956] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2957] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2956] <... mmap resumed>) = 0x7f85c0c15000 [pid 2957] <... futex resumed>) = 1 [pid 2956] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2953] <... futex resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2957] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2956] <... mprotect resumed>) = 0 [pid 2953] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2959] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2959] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2952] <... futex resumed>) = 0 [pid 2959] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2952] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2959] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2957] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2956] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2953] <... futex resumed>) = 0 [pid 2952] <... futex resumed>) = 0 [pid 2959] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2957] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2956] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2953] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2952] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2960 [pid 2959] <... futex resumed>) = 0 [pid 2957] <... mkdirat resumed>) = 0 [pid 2956] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2952] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2959] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2957] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2952] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 2959] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2957] <... futex resumed>) = 1 [pid 2953] <... futex resumed>) = 0 [pid 2952] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2959] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2957] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2956] <... clone3 resumed> => {parent_tid=[2961]}, 88) = 2961 [pid 2953] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2952] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2959] <... futex resumed>) = 0 [pid 2957] <... symlinkat resumed>) = 0 [pid 2956] rt_sigprocmask(SIG_SETMASK, [] [pid 2953] <... futex resumed>) = 0 [pid 2952] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2959] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2957] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2956] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2953] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2952] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2961 attached [pid 2959] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 2958] <... set_robust_list resumed>) = 0 [pid 2957] <... futex resumed>) = 0 [pid 2956] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2953] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2952] <... futex resumed>) = 0 [pid 2959] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2958] rt_sigprocmask(SIG_SETMASK, [] [pid 2957] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2956] <... futex resumed>) = 0 [pid 2953] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2952] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2960 attached [pid 2959] <... futex resumed>) = 0 [pid 2958] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2957] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2956] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2953] <... futex resumed>) = 0 [pid 2952] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2960] set_robust_list(0x5555810c5760, 24 [pid 2959] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2958] mkdirat(AT_FDCWD, "./config", 0777 [pid 2957] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2953] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2952] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2960] <... set_robust_list resumed>) = 0 [pid 2959] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2957] <... unlinkat resumed>) = 0 [pid 2952] <... futex resumed>) = 0 [pid 2960] rt_sigprocmask(SIG_SETMASK, [] [pid 2959] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2958] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2957] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2952] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2961] set_robust_list(0x7f85c0c359a0, 24 [pid 2960] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2959] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2958] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2957] <... futex resumed>) = 1 [pid 2953] <... futex resumed>) = 0 [pid 2961] <... set_robust_list resumed>) = 0 [pid 2960] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2959] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2958] <... futex resumed>) = 1 [pid 2957] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2955] <... futex resumed>) = 0 [pid 2953] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2960] <... prctl resumed>) = 0 [pid 2959] <... futex resumed>) = 1 [pid 2958] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2957] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2955] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2953] <... futex resumed>) = 0 [pid 2952] <... futex resumed>) = 0 [pid 2960] setpgid(0, 0 [pid 2959] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2958] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2957] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2955] <... futex resumed>) = 0 [pid 2953] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2952] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2960] <... setpgid resumed>) = 0 [pid 2959] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2958] mount(NULL, "./config", "configfs", 0, NULL [pid 2957] <... unlinkat resumed>) = 0 [pid 2955] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2952] <... futex resumed>) = 0 [pid 2960] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2959] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2958] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2957] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2952] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2961] rt_sigprocmask(SIG_SETMASK, [] [pid 2960] <... openat resumed>) = 3 [pid 2959] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2958] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2957] <... futex resumed>) = 1 [pid 2953] <... futex resumed>) = 0 [pid 2961] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2959] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2958] <... futex resumed>) = 1 [pid 2957] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2955] <... futex resumed>) = 0 [pid 2953] exit_group(0 [pid 2961] mkdirat(AT_FDCWD, "./config", 0777 [pid 2960] write(3, "1000", 4 [pid 2959] <... futex resumed>) = 1 [pid 2958] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2955] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2953] <... exit_group resumed>) = ? [pid 2957] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 2952] <... futex resumed>) = 0 [pid 2961] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2960] <... write resumed>) = 4 [pid 2959] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2958] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2955] <... futex resumed>) = 0 [pid 2961] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2958] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2955] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2952] exit_group(0 [pid 2961] <... futex resumed>) = 1 [pid 2958] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2956] <... futex resumed>) = 0 [pid 2961] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2958] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2956] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2961] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2958] <... futex resumed>) = 1 [pid 2956] <... futex resumed>) = 0 [pid 2955] <... futex resumed>) = 0 [pid 2961] mount(NULL, "./config", "configfs", 0, NULL [pid 2958] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2957] +++ exited with 0 +++ [pid 2956] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2955] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2953] +++ exited with 0 +++ [pid 2959] <... futex resumed>) = -1 ENOSYS (Function not implemented) [pid 2952] <... exit_group resumed>) = ? [pid 2961] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2960] close(3 [pid 2958] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2955] <... futex resumed>) = 0 [pid 2961] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2958] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2955] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2961] <... futex resumed>) = 1 [pid 2958] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2956] <... futex resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2953, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2961] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2958] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2956] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2961] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2958] <... futex resumed>) = 1 [pid 2956] <... futex resumed>) = 0 [pid 2955] <... futex resumed>) = 0 [pid 2961] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2959] +++ exited with 0 +++ [pid 2958] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2956] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2955] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2952] +++ exited with 0 +++ [pid 2961] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2960] <... close resumed>) = 0 [pid 2958] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2955] <... futex resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2952, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2961] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2958] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2955] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... restart_syscall resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2961] <... futex resumed>) = 1 [pid 2960] write(1, "executing program\n", 18 [pid 2958] <... mkdirat resumed>) = 0 [pid 2956] <... futex resumed>) = 0 executing program [pid 305] <... restart_syscall resumed>) = 0 [pid 2961] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2960] <... write resumed>) = 18 [pid 2958] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2956] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2961] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2960] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2958] <... futex resumed>) = 1 [pid 2956] <... futex resumed>) = 0 [pid 2955] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2961] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2960] <... futex resumed>) = 0 [pid 2958] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2956] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2955] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2961] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2960] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2958] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2955] <... futex resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2961] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2960] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2958] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2955] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 2962 attached [pid 2961] <... futex resumed>) = 1 [pid 2960] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2956] <... futex resumed>) = 0 [pid 2962] set_robust_list(0x5555810c5760, 24 [pid 2961] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2960] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2958] <... symlinkat resumed>) = 0 [pid 2956] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2962 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2962] <... set_robust_list resumed>) = 0 [pid 2961] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2960] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2958] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2956] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 2960] <... mmap resumed>) = 0x7f85c0c15000 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2960] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2958] <... futex resumed>) = 1 [pid 2956] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2955] <... futex resumed>) = 0 [pid 2962] rt_sigprocmask(SIG_SETMASK, [] [pid 2961] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2960] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2958] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2955] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2963 [pid 2962] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2961] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2960] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2958] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2955] <... futex resumed>) = 0 [pid 2962] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2961] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2960] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2958] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2955] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 2962] <... prctl resumed>) = 0 [pid 2961] <... futex resumed>) = 1 [pid 2958] <... unlinkat resumed>) = 0 [pid 2956] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2962] setpgid(0, 0 [pid 2961] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2960] <... clone3 resumed> => {parent_tid=[2964]}, 88) = 2964 [pid 2958] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2956] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2962] <... setpgid resumed>) = 0 [pid 2961] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2960] rt_sigprocmask(SIG_SETMASK, [] [pid 2958] <... futex resumed>) = 1 [pid 2956] <... futex resumed>) = 0 [pid 2955] <... futex resumed>) = 0 [pid 2961] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2960] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2958] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2956] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2955] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2962] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2961] <... symlinkat resumed>) = 0 [pid 2960] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2958] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2955] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2963 attached [pid 2961] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2962] <... openat resumed>) = 3 [pid 2960] <... futex resumed>) = 0 [pid 2958] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2955] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2963] set_robust_list(0x5555810c5760, 24 [pid 2962] write(3, "1000", 4 [pid 2961] <... futex resumed>) = 1 [pid 2960] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2958] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 2956] <... futex resumed>) = 0 [pid 2963] <... set_robust_list resumed>) = 0 [pid 2962] <... write resumed>) = 4 [pid 2961] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2958] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2956] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2962] close(3 [pid 2961] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2958] <... futex resumed>) = 1 [pid 2956] <... futex resumed>) = 0 [pid 2955] <... futex resumed>) = 0 [pid 2961] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2958] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2956] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2962] <... close resumed>) = 0 [pid 2961] <... unlinkat resumed>) = 0 [pid 2955] exit_group(0 [pid 2962] write(1, "executing program\n", 18 executing program [pid 2961] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2958] <... futex resumed>) = ? [pid 2955] <... exit_group resumed>) = ? [pid 2961] <... futex resumed>) = 1 [pid 2956] <... futex resumed>) = 0 [pid 2958] +++ exited with 0 +++ [pid 2963] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2963] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2963] setpgid(0, 0) = 0 [pid 2963] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2955] +++ exited with 0 +++ [pid 2956] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2962] <... write resumed>) = 18 [pid 2961] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2956] <... futex resumed>) = 0 [pid 2963] <... openat resumed>) = 3 [pid 2962] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2961] <... unlinkat resumed>) = 0 [pid 2956] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2955, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2962] <... futex resumed>) = 0 [pid 2961] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2956] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2962] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2961] <... futex resumed>) = 0 [pid 2956] exit_group(0 [pid 2962] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2961] ???() = ? [pid 2956] <... exit_group resumed>) = ? [pid 2962] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2961] +++ exited with 0 +++ [pid 2963] write(3, "1000", 4) = 4 [pid 2963] close(3) = 0 [pid 2963] write(1, "executing program\n", 18) = 18 [pid 2963] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2956] +++ exited with 0 +++ [pid 2963] <... futex resumed>) = 0 [pid 2963] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 executing program [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2956, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2962] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2963] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2962] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2963] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2963] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2963] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITEci2-android-5-15/strace-static-x86_64: Process 2964 attached ) = 0 [pid 2962] <... mmap resumed>) = 0x7f85c0c15000 [pid 2963] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2963] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2962] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITEci2-android-5-15/strace-static-x86_64: Process 2965 attached [pid 2964] set_robust_list(0x7f85c0c359a0, 24 [pid 2963] <... clone3 resumed> => {parent_tid=[2965]}, 88) = 2965 [pid 2963] rt_sigprocmask(SIG_SETMASK, [] [pid 2965] set_robust_list(0x7f85c0c359a0, 24 [pid 2964] <... set_robust_list resumed>) = 0 [pid 2963] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2962] <... mprotect resumed>) = 0 [pid 2963] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2963] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2965] <... set_robust_list resumed>) = 0 [pid 2965] rt_sigprocmask(SIG_SETMASK, [] [pid 2962] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2965] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2965] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 2965] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2963] <... futex resumed>) = 0 [pid 2965] mount(NULL, "./config", "configfs", 0, NULL [pid 2963] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2965] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2964] rt_sigprocmask(SIG_SETMASK, [] [pid 2963] <... futex resumed>) = 0 [pid 2962] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2963] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2962] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2965] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2964] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 2965] <... futex resumed>) = 1 [pid 2963] <... futex resumed>) = 0 [pid 2964] mkdirat(AT_FDCWD, "./config", 0777 [pid 2962] <... clone3 resumed> => {parent_tid=[2966]}, 88) = 2966 [pid 2965] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2963] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2962] rt_sigprocmask(SIG_SETMASK, [] [pid 2965] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2964] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2963] <... futex resumed>) = 0 [pid 2962] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2965] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2964] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2963] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2962] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2965] <... futex resumed>) = 0 [pid 2964] <... futex resumed>) = 1 [pid 2963] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2962] <... futex resumed>) = 0 [pid 2960] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2965] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2964] mount(NULL, "./config", "configfs", 0, NULL [pid 2963] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2962] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2960] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2965] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2963] <... futex resumed>) = 0 [pid 2960] <... futex resumed>) = 0 [pid 2965] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2964] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2963] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2965] <... futex resumed>) = 0 [pid 2963] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2965] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2963] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2965] <... mkdirat resumed>) = 0 [pid 2964] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2963] <... futex resumed>) = 0 [pid 2960] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2967 attached [pid 2965] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2964] <... futex resumed>) = 0 [pid 2963] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2960] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2967 [pid 2965] <... futex resumed>) = 0 [pid 2963] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2965] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2963] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2965] <... symlinkat resumed>) = 0 [pid 2963] <... futex resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 2965] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2964] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2963] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2960] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 2965] <... futex resumed>) = 0 [pid 2963] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2965] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2963] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2967] set_robust_list(0x5555810c5760, 24 [pid 2965] <... unlinkat resumed>) = 0 [pid 2964] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2963] <... futex resumed>) = 0 [pid 2960] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2965] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2964] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2963] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2960] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2965] <... futex resumed>) = 0 [pid 2964] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2963] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2965] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2964] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2963] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2965] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2964] <... futex resumed>) = 1 [pid 2960] <... futex resumed>) = 0 [pid 2963] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2965] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2964] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2960] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2967] <... set_robust_list resumed>) = 0 [pid 2965] <... unlinkat resumed>) = 0 [pid 2964] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2963] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2960] <... futex resumed>) = 0 [pid 2965] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2965] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 2966 attached [pid 2966] set_robust_list(0x7f85c0c359a0, 24 [pid 2964] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2963] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2960] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2964] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2963] exit_group(0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2968 [pid 2965] <... futex resumed>) = ? [pid 2964] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2963] <... exit_group resumed>) = ? [pid 2965] +++ exited with 0 +++ [pid 2964] <... futex resumed>) = 1 [pid 2960] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2966] <... set_robust_list resumed>) = 0 [pid 2966] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2966] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 2966] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2962] <... futex resumed>) = 0 [pid 2966] mount(NULL, "./config", "configfs", 0, NULL [pid 2963] +++ exited with 0 +++ [pid 2962] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2966] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2964] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2962] <... futex resumed>) = 0 [pid 2960] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2966] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2964] <... mkdirat resumed>) = 0 [pid 2962] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2960] <... futex resumed>) = 0 [pid 2966] <... futex resumed>) = 0 [pid 2964] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2962] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2960] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2963, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2967] rt_sigprocmask(SIG_SETMASK, [] [pid 2966] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2964] <... futex resumed>) = 0 [pid 2962] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2960] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2966] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2964] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2962] <... futex resumed>) = 0 [pid 2960] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2966] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2964] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2962] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2960] <... futex resumed>) = 0 [pid 2966] <... futex resumed>) = 0 [pid 2964] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2962] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2960] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2966] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2962] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2966] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2964] <... symlinkat resumed>) = 0 [pid 2962] <... futex resumed>) = 0 [pid 2966] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2964] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2962] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2966] <... futex resumed>) = 0 [pid 2964] <... futex resumed>) = 1 [pid 2962] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2960] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2968 attached [pid 2966] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2964] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2962] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2960] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2968] set_robust_list(0x5555810c5760, 24 [pid 2966] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2964] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2962] <... futex resumed>) = 0 [pid 2960] <... futex resumed>) = 0 [pid 2968] <... set_robust_list resumed>) = 0 [pid 2966] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2964] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2962] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2960] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2968] rt_sigprocmask(SIG_SETMASK, [] [pid 2966] <... futex resumed>) = 0 [pid 2964] <... unlinkat resumed>) = 0 [pid 2962] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2968] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2966] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2964] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2962] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2968] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2967] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2966] <... symlinkat resumed>) = 0 [pid 2962] <... futex resumed>) = 0 [pid 2968] <... prctl resumed>) = 0 [pid 2966] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2964] <... futex resumed>) = 1 [pid 2962] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2960] <... futex resumed>) = 0 [pid 2968] setpgid(0, 0 [pid 2966] <... futex resumed>) = 0 [pid 2964] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2962] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2960] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2968] <... setpgid resumed>) = 0 [pid 2966] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2964] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2962] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2960] <... futex resumed>) = 0 [pid 2967] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2968] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2966] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2964] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2962] <... futex resumed>) = 0 [pid 2960] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2968] <... openat resumed>) = 3 [pid 2967] <... prctl resumed>) = 0 [pid 2966] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2964] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 2962] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2968] write(3, "1000", 4 [pid 2967] setpgid(0, 0 [pid 2966] <... unlinkat resumed>) = 0 [pid 2964] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2968] <... write resumed>) = 4 [pid 2966] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2968] close(3 [pid 2967] <... setpgid resumed>) = 0 [pid 2966] <... futex resumed>) = 1 [pid 2964] <... futex resumed>) = 1 [pid 2962] <... futex resumed>) = 0 [pid 2960] <... futex resumed>) = 0 [pid 2968] <... close resumed>) = 0 [pid 2966] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2964] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2962] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2968] write(1, "executing program\n", 18 [pid 2967] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2966] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 2962] <... futex resumed>) = 0 [pid 2960] exit_group(0 [pid 2968] <... write resumed>) = 18 [pid 2966] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2962] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2968] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2967] <... openat resumed>) = 3 [pid 2966] <... unlinkat resumed>) = 0 [pid 2964] <... futex resumed>) = ? [pid 2960] <... exit_group resumed>) = ? [pid 2968] <... futex resumed>) = 0 [pid 2966] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2964] +++ exited with 0 +++ [pid 2968] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2966] <... futex resumed>) = 1 [pid 2962] <... futex resumed>) = 0 [pid 2968] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2966] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2962] exit_group(0 [pid 2968] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2966] <... futex resumed>) = ? [pid 2962] <... exit_group resumed>) = ? [pid 2968] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2967] write(3, "1000", 4 [pid 2966] +++ exited with 0 +++ [pid 2962] +++ exited with 0 +++ [pid 2960] +++ exited with 0 +++ [pid 2968] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2960, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2968] <... mmap resumed>) = 0x7f85c0c15000 [pid 2967] <... write resumed>) = 4 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2962, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2968] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2968] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2967] close(3 [pid 2968] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2968] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2967] <... close resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2967] write(1, "executing program\n", 18 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2968] <... clone3 resumed> => {parent_tid=[2969]}, 88) = 2969 [pid 2967] <... write resumed>) = 18 [pid 2968] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 executing program [pid 2968] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2967] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2968] <... futex resumed>) = 0 [pid 2967] <... futex resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2970 [pid 2968] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2970 attached [pid 2970] set_robust_list(0x5555810c5760, 24) = 0 [pid 2970] rt_sigprocmask(SIG_SETMASK, [] [pid 2967] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2971 [pid 2967] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2967] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 2967] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2967] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2970] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2967] <... mmap resumed>) = 0x7f85c0c15000 ci2-android-5-15/strace-static-x86_64: Process 2969 attached [pid 2970] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2967] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2969] set_robust_list(0x7f85c0c359a0, 24 [pid 2967] <... mprotect resumed>) = 0 [pid 2970] <... prctl resumed>) = 0 [pid 2967] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2967] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2970] setpgid(0, 0) = 0 [pid 2970] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2967] <... clone3 resumed> => {parent_tid=[2972]}, 88) = 2972 ci2-android-5-15/strace-static-x86_64: Process 2972 attached [pid 2970] <... openat resumed>) = 3 [pid 2969] <... set_robust_list resumed>) = 0 [pid 2967] rt_sigprocmask(SIG_SETMASK, [] [pid 2970] write(3, "1000", 4) = 4 [pid 2970] close(3) = 0 [pid 2970] write(1, "executing program\n", 18 [pid 2972] set_robust_list(0x7f85c0c359a0, 24 [pid 2969] rt_sigprocmask(SIG_SETMASK, [] [pid 2967] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2972] <... set_robust_list resumed>) = 0 [pid 2970] <... write resumed>) = 18 executing program [pid 2970] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2970] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2969] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2967] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2970] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2970] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2970] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2967] <... futex resumed>) = 0 [pid 2972] rt_sigprocmask(SIG_SETMASK, [] [pid 2969] mkdirat(AT_FDCWD, "./config", 0777ci2-android-5-15/strace-static-x86_64: Process 2971 attached [pid 2971] set_robust_list(0x5555810c5760, 24) = 0 [pid 2971] rt_sigprocmask(SIG_SETMASK, [] [pid 2969] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2967] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2972] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2970] <... mmap resumed>) = 0x7f85c0c15000 [pid 2971] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2971] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2972] mkdirat(AT_FDCWD, "./config", 0777 [pid 2970] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2969] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2971] <... prctl resumed>) = 0 [pid 2971] setpgid(0, 0) = 0 [pid 2972] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2970] <... mprotect resumed>) = 0 [pid 2969] <... futex resumed>) = 1 [pid 2968] <... futex resumed>) = 0 [pid 2968] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2968] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2971] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2972] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2970] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2969] mount(NULL, "./config", "configfs", 0, NULL [pid 2971] <... openat resumed>) = 3 [pid 2969] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2972] <... futex resumed>) = 1 [pid 2967] <... futex resumed>) = 0 [pid 2971] write(3, "1000", 4 [pid 2967] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2971] <... write resumed>) = 4 [pid 2967] <... futex resumed>) = 0 [pid 2971] close(3 [pid 2967] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2971] <... close resumed>) = 0 executing program [pid 2971] write(1, "executing program\n", 18) = 18 [pid 2971] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2971] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2972] mount(NULL, "./config", "configfs", 0, NULL [pid 2970] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2969] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2971] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2971] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2971] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2971] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2969] <... futex resumed>) = 1 [pid 2968] <... futex resumed>) = 0 [pid 2968] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2968] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2969] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 311] <... restart_syscall resumed>) = 0 [pid 2971] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2969] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2971] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2969] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2971] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2969] <... futex resumed>) = 1 [pid 2968] <... futex resumed>) = 0 [pid 2968] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2968] <... futex resumed>) = 0 [pid 2968] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2971] <... clone3 resumed> => {parent_tid=[2973]}, 88) = 2973 [pid 2971] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2971] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2969] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2974 [pid 2971] <... futex resumed>) = 0 [pid 2971] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 2969] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2969] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2968] <... futex resumed>) = 0 [pid 2968] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2972] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2970] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2969] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2968] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2974 attached [pid 2974] set_robust_list(0x5555810c5760, 24) = 0 [pid 2969] <... mkdirat resumed>) = 0 [pid 2974] rt_sigprocmask(SIG_SETMASK, [] [pid 2969] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2968] <... futex resumed>) = 0 [pid 2969] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2968] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2969] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2968] <... futex resumed>) = 0 [pid 2969] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2968] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2974] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2969] <... symlinkat resumed>) = 0 [pid 2974] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2969] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2974] <... prctl resumed>) = 0 [pid 2969] <... futex resumed>) = 1 [pid 2968] <... futex resumed>) = 0 [pid 2972] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2969] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2968] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2972] <... futex resumed>) = 1 [pid 2969] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2968] <... futex resumed>) = 0 [pid 2967] <... futex resumed>) = 0 [pid 2972] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2969] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2968] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2967] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2970] <... clone3 resumed> => {parent_tid=[2975]}, 88) = 2975 [pid 2972] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2969] <... unlinkat resumed>) = 0 [pid 2967] <... futex resumed>) = 0 [pid 2970] rt_sigprocmask(SIG_SETMASK, [] [pid 2972] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2969] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2967] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2970] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2974] setpgid(0, 0 [pid 2972] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2969] <... futex resumed>) = 1 [pid 2968] <... futex resumed>) = 0 [pid 2974] <... setpgid resumed>) = 0 [pid 2972] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2970] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2969] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2968] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2974] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2972] <... futex resumed>) = 1 [pid 2970] <... futex resumed>) = 0 [pid 2969] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2968] <... futex resumed>) = 0 [pid 2967] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2975 attached [pid 2974] <... openat resumed>) = 3 [pid 2968] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2974] write(3, "1000", 4 [pid 2972] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2970] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2969] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2967] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2974] <... write resumed>) = 4 [pid 2974] close(3) = 0 [pid 2969] <... unlinkat resumed>) = 0 [pid 2967] <... futex resumed>) = 0 [pid 2972] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2969] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2967] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2974] write(1, "executing program\n", 18 [pid 2972] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2969] <... futex resumed>) = 1 [pid 2968] <... futex resumed>) = 0 [pid 2967] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2974] <... write resumed>) = 18 [pid 2972] <... futex resumed>) = 0 [pid 2969] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL executing program [pid 2968] exit_group(0 [pid 2967] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2974] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2972] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2969] <... futex resumed>) = ? [pid 2968] <... exit_group resumed>) = ? [pid 2967] <... futex resumed>) = 0 [pid 2975] set_robust_list(0x7f85c0c359a0, 24 [pid 2974] <... futex resumed>) = 0 [pid 2972] <... mkdirat resumed>) = 0 [pid 2969] +++ exited with 0 +++ [pid 2968] +++ exited with 0 +++ [pid 2967] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2973 attached [pid 2974] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2972] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2968, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2974] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2973] set_robust_list(0x7f85c0c359a0, 24 [pid 2972] <... futex resumed>) = 1 [pid 2967] <... futex resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2974] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2973] <... set_robust_list resumed>) = 0 [pid 2972] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2967] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2975] <... set_robust_list resumed>) = 0 [pid 2967] <... futex resumed>) = 0 [pid 2974] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2973] rt_sigprocmask(SIG_SETMASK, [] [pid 2967] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2972] <... symlinkat resumed>) = 0 [pid 2974] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2973] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2972] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2974] <... mmap resumed>) = 0x7f85c0c15000 [pid 2975] rt_sigprocmask(SIG_SETMASK, [] [pid 2974] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2973] mkdirat(AT_FDCWD, "./config", 0777 [pid 2972] <... futex resumed>) = 1 [pid 2967] <... futex resumed>) = 0 [pid 2974] <... mprotect resumed>) = 0 [pid 2972] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2967] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2974] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2973] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2972] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2967] <... futex resumed>) = 0 [pid 2975] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2974] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2972] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2967] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2974] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2973] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2972] <... unlinkat resumed>) = 0 [pid 2974] <... clone3 resumed> => {parent_tid=[2976]}, 88) = 2976 [pid 2973] <... futex resumed>) = 1 [pid 2972] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2971] <... futex resumed>) = 0 [pid 2974] rt_sigprocmask(SIG_SETMASK, [] [pid 2973] mount(NULL, "./config", "configfs", 0, NULL [pid 2972] <... futex resumed>) = 1 [pid 2971] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2967] <... futex resumed>) = 0 [pid 2975] mkdirat(AT_FDCWD, "./config", 0777 [pid 2974] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2973] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2972] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2971] <... futex resumed>) = 0 [pid 2967] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2974] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2973] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2972] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2971] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2967] <... futex resumed>) = 0 [pid 2975] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2974] <... futex resumed>) = 0 [pid 2973] <... futex resumed>) = 0 [pid 2972] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2971] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2967] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2974] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2973] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2971] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2975] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2973] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2972] <... unlinkat resumed>) = 0 [pid 2971] <... futex resumed>) = 0 [pid 2973] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2971] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2975] <... futex resumed>) = 1 [pid 2973] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2972] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2970] <... futex resumed>) = 0 [pid 2973] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2967] <... futex resumed>) = 0 [pid 2975] mount(NULL, "./config", "configfs", 0, NULL [pid 2973] <... futex resumed>) = 1 [pid 2972] <... futex resumed>) = 1 [pid 2971] <... futex resumed>) = 0 [pid 2970] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2967] exit_group(0 [pid 2973] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2971] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2970] <... futex resumed>) = 0 [pid 2967] <... exit_group resumed>) = ? [pid 2972] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 2975] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2973] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2971] <... futex resumed>) = 0 [pid 2970] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2973] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2971] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2973] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2973] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2971] <... futex resumed>) = 0 [pid 2973] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2971] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2973] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2972] +++ exited with 0 +++ [pid 2971] <... futex resumed>) = 0 [pid 2967] +++ exited with 0 +++ [pid 2973] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2971] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2975] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2973] <... mkdirat resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2967, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2975] <... futex resumed>) = 1 [pid 2973] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2970] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2975] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2973] <... futex resumed>) = 1 [pid 2971] <... futex resumed>) = 0 [pid 2970] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2973] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2971] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2970] <... futex resumed>) = 0 [pid 2975] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2973] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2971] <... futex resumed>) = 0 [pid 2970] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2973] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2971] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2975] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2973] <... symlinkat resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 2973] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2975] <... futex resumed>) = 1 [pid 2973] <... futex resumed>) = 1 [pid 2971] <... futex resumed>) = 0 [pid 2970] <... futex resumed>) = 0 [pid 2975] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2973] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2971] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2975] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2973] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2971] <... futex resumed>) = 0 [pid 2970] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2975] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2973] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2971] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2970] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2975] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2973] <... unlinkat resumed>) = 0 [pid 2970] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 2976 attached [pid 2975] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2973] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2970] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2976] set_robust_list(0x7f85c0c359a0, 24 [pid 2973] <... futex resumed>) = 1 [pid 2971] <... futex resumed>) = 0 [pid 2976] <... set_robust_list resumed>) = 0 [pid 2973] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2971] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2976] rt_sigprocmask(SIG_SETMASK, [] [pid 2975] <... futex resumed>) = 0 [pid 2973] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2971] <... futex resumed>) = 0 [pid 2970] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2976] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2975] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2973] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2971] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2970] <... futex resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2977 ci2-android-5-15/strace-static-x86_64: Process 2977 attached [pid 2976] mkdirat(AT_FDCWD, "./config", 0777 [pid 2975] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2973] <... unlinkat resumed>) = 0 [pid 2970] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2976] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2975] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2973] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2970] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2976] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2975] <... futex resumed>) = 0 [pid 2973] <... futex resumed>) = 1 [pid 2971] <... futex resumed>) = 0 [pid 2970] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2976] <... futex resumed>) = 1 [pid 2975] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2974] <... futex resumed>) = 0 [pid 2973] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2971] exit_group(0 [pid 2970] <... futex resumed>) = 0 [pid 2976] mount(NULL, "./config", "configfs", 0, NULL [pid 2975] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2974] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2973] <... futex resumed>) = ? [pid 2971] <... exit_group resumed>) = ? [pid 2970] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2977] set_robust_list(0x5555810c5760, 24 [pid 2976] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2975] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2974] <... futex resumed>) = 0 [pid 2973] +++ exited with 0 +++ [pid 2971] +++ exited with 0 +++ [pid 2970] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2976] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2975] <... futex resumed>) = 0 [pid 2974] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2970] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2971, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2976] <... futex resumed>) = 0 [pid 2975] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2974] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2970] <... futex resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2976] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2975] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2974] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2970] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2976] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2975] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2974] <... futex resumed>) = 0 [pid 2970] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2976] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2975] <... futex resumed>) = 0 [pid 2974] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2970] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2977] <... set_robust_list resumed>) = 0 [pid 2976] <... futex resumed>) = 0 [pid 2975] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2974] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2970] <... futex resumed>) = 0 [pid 2976] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2975] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2974] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2970] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2977] rt_sigprocmask(SIG_SETMASK, [] [pid 2976] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2975] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2974] <... futex resumed>) = 0 [pid 2970] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2977] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2976] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2975] <... futex resumed>) = 0 [pid 2974] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2976] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2975] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2970] exit_group(0 [pid 2977] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2976] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2975] <... futex resumed>) = ? [pid 2974] <... futex resumed>) = 0 [pid 2970] <... exit_group resumed>) = ? [pid 2977] <... prctl resumed>) = 0 [pid 2976] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2975] +++ exited with 0 +++ [pid 2974] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2976] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2974] <... futex resumed>) = 0 [pid 2976] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2974] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2976] <... mkdirat resumed>) = 0 [pid 2970] +++ exited with 0 +++ [pid 2976] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2977] setpgid(0, 0 [pid 2976] <... futex resumed>) = 1 [pid 2974] <... futex resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2970, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2976] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2974] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2977] <... setpgid resumed>) = 0 [pid 2976] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2974] <... futex resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2976] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2974] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... restart_syscall resumed>) = 0 [pid 2977] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2976] <... symlinkat resumed>) = 0 [pid 2976] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2974] <... futex resumed>) = 0 [pid 2977] <... openat resumed>) = 3 [pid 2976] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2974] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2976] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2974] <... futex resumed>) = 0 [pid 2977] write(3, "1000", 4 [pid 2976] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2974] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2977] <... write resumed>) = 4 [pid 2976] <... unlinkat resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2976] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2977] close(3 [pid 2976] <... futex resumed>) = 1 [pid 2974] <... futex resumed>) = 0 [pid 2976] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2974] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2976] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2974] <... futex resumed>) = 0 [pid 2976] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2974] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2977] <... close resumed>) = 0 [pid 2976] <... unlinkat resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 2977] write(1, "executing program\n", 18 [pid 2976] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2978 [pid 2976] <... futex resumed>) = 1 [pid 2974] <... futex resumed>) = 0 executing program [pid 2977] <... write resumed>) = 18 [pid 2976] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2974] exit_group(0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2977] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2976] <... futex resumed>) = ? [pid 2974] <... exit_group resumed>) = ? [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 2978 attached [pid 2977] <... futex resumed>) = 0 [pid 2976] +++ exited with 0 +++ [pid 2974] +++ exited with 0 +++ [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2978] set_robust_list(0x5555810c5760, 24 [pid 2977] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2979 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 2979 attached [pid 2979] set_robust_list(0x5555810c5760, 24) = 0 [pid 2979] rt_sigprocmask(SIG_SETMASK, [] [pid 2977] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2974, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2978] <... set_robust_list resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2980 attached [pid 2980] set_robust_list(0x5555810c5760, 24) = 0 [pid 2980] rt_sigprocmask(SIG_SETMASK, [] [pid 2979] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2978] rt_sigprocmask(SIG_SETMASK, [] [pid 2977] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2980 [pid 2980] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2980] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2978] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2979] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2977] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 2977] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2980] <... prctl resumed>) = 0 [pid 2978] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2977] <... mmap resumed>) = 0x7f85c0c15000 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2978] <... prctl resumed>) = 0 [pid 2977] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2980] setpgid(0, 0 [pid 2977] <... mprotect resumed>) = 0 [pid 2978] setpgid(0, 0 [pid 2980] <... setpgid resumed>) = 0 [pid 2977] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2978] <... setpgid resumed>) = 0 [pid 2977] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2977] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2980] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2978] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2980] write(3, "1000", 4 [pid 2977] <... clone3 resumed> => {parent_tid=[2981]}, 88) = 2981 [pid 2978] <... openat resumed>) = 3 [pid 2977] rt_sigprocmask(SIG_SETMASK, [] [pid 2980] <... write resumed>) = 4 [pid 2978] write(3, "1000", 4 [pid 2977] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2980] close(3 [pid 2978] <... write resumed>) = 4 [pid 2977] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2980] <... close resumed>) = 0 [pid 2978] close(3 [pid 2977] <... futex resumed>) = 0 [pid 2979] <... prctl resumed>) = 0 [pid 2978] <... close resumed>) = 0 [pid 2977] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2980] write(1, "executing program\n", 18 [pid 2978] write(1, "executing program\n", 18 [pid 2980] <... write resumed>) = 18 [pid 2980] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program executing program [pid 2978] <... write resumed>) = 18 [pid 2980] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2980] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2980] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2980] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2980] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2978] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2979] setpgid(0, 0ci2-android-5-15/strace-static-x86_64: Process 2981 attached [pid 2981] set_robust_list(0x7f85c0c359a0, 24 [pid 2978] <... futex resumed>) = 0 [pid 2981] <... set_robust_list resumed>) = 0 [pid 2981] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2981] mkdirat(AT_FDCWD, "./config", 0777 [pid 2978] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2978] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2978] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2981] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2978] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2981] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2978] <... mprotect resumed>) = 0 [pid 2977] <... futex resumed>) = 0 [pid 2978] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2977] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2978] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2977] <... futex resumed>) = 0 [pid 2978] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2977] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2981] <... futex resumed>) = 1 [pid 2981] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 2981] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2978] <... clone3 resumed> => {parent_tid=[2982]}, 88) = 2982 [pid 2978] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... restart_syscall resumed>) = 0 [pid 2978] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2978] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2978] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2977] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2977] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2977] <... futex resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2977] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2981] <... futex resumed>) = 1 [pid 2981] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 2981] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2983 [pid 2980] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2979] <... setpgid resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 2977] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2977] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2980] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2979] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2977] <... futex resumed>) = 0 [pid 2977] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2981] <... futex resumed>) = 1 [pid 2981] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 2980] <... clone3 resumed> => {parent_tid=[2984]}, 88) = 2984 [pid 2979] <... openat resumed>) = 3 [pid 2981] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2977] <... futex resumed>) = 0 [pid 2977] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2977] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2981] <... futex resumed>) = 1 [pid 2981] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 2980] rt_sigprocmask(SIG_SETMASK, [] [pid 2979] write(3, "1000", 4ci2-android-5-15/strace-static-x86_64: Process 2983 attached [pid 2980] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2981] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2980] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2979] <... write resumed>) = 4 [pid 2980] <... futex resumed>) = 0 [pid 2979] close(3 [pid 2980] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2979] <... close resumed>) = 0 [pid 2981] <... futex resumed>) = 1 [pid 2977] <... futex resumed>) = 0 [pid 2981] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2977] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2983] set_robust_list(0x5555810c5760, 24 [pid 2981] <... symlinkat resumed>) = 0 [pid 2979] write(1, "executing program\n", 18 [pid 2977] <... futex resumed>) = 0 [pid 2981] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2977] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2981] <... futex resumed>) = 0 [pid 2977] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2981] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2977] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2981] <... unlinkat resumed>) = 0 [pid 2977] <... futex resumed>) = 0 [pid 2981] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2977] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2981] <... futex resumed>) = 0 [pid 2977] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 2983] <... set_robust_list resumed>) = 0 [pid 2981] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2979] <... write resumed>) = 18 [pid 2977] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2983] rt_sigprocmask(SIG_SETMASK, [] [pid 2981] <... unlinkat resumed>) = 0 [pid 2979] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2977] <... futex resumed>) = 0 [pid 2983] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2981] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2979] <... futex resumed>) = 0 [pid 2977] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2983] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2981] <... futex resumed>) = 0 [pid 2979] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2977] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ci2-android-5-15/strace-static-x86_64: Process 2982 attached [pid 2983] <... prctl resumed>) = 0 [pid 2981] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2979] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2977] exit_group(0 [pid 2983] setpgid(0, 0 [pid 2981] <... futex resumed>) = ? [pid 2979] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2977] <... exit_group resumed>) = ? [pid 2983] <... setpgid resumed>) = 0 [pid 2981] +++ exited with 0 +++ [pid 2979] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2977] +++ exited with 0 +++ [pid 2979] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2977, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2979] <... mmap resumed>) = 0x7f85c0c15000 [pid 2983] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2979] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2982] set_robust_list(0x7f85c0c359a0, 24 [pid 2979] <... mprotect resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 2984 attached [pid 2982] <... set_robust_list resumed>) = 0 [pid 2979] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2983] <... openat resumed>) = 3 [pid 2979] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2979] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2984] set_robust_list(0x7f85c0c359a0, 24 [pid 2982] rt_sigprocmask(SIG_SETMASK, [] [pid 2984] <... set_robust_list resumed>) = 0 [pid 2982] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2984] rt_sigprocmask(SIG_SETMASK, [] [pid 2982] mkdirat(AT_FDCWD, "./config", 0777 [pid 2984] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2982] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2985 [pid 2983] write(3, "1000", 4 [pid 2984] mkdirat(AT_FDCWD, "./config", 0777 [pid 2983] <... write resumed>) = 4 [pid 2982] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2979] <... clone3 resumed> => {parent_tid=[2986]}, 88) = 2986 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2983] close(3 [pid 2979] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 2986 attached [pid 2983] <... close resumed>) = 0 [pid 2979] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2979] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2983] write(1, "executing program\n", 18 [pid 2979] <... futex resumed>) = 0 executing program [pid 2984] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2983] <... write resumed>) = 18 [pid 2982] <... futex resumed>) = 1 [pid 2979] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2978] <... futex resumed>) = 0 [pid 2984] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2983] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2982] mount(NULL, "./config", "configfs", 0, NULL [pid 2978] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2984] <... futex resumed>) = 1 [pid 2983] <... futex resumed>) = 0 [pid 2982] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2980] <... futex resumed>) = 0 [pid 2978] <... futex resumed>) = 0 [pid 2983] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2980] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2978] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2983] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2980] <... futex resumed>) = 0 [pid 2984] mount(NULL, "./config", "configfs", 0, NULL [pid 2983] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2982] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2980] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2984] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2983] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2982] <... futex resumed>) = 1 [pid 2978] <... futex resumed>) = 0 [pid 2986] set_robust_list(0x7f85c0c359a0, 24 [pid 2984] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2983] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2982] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2978] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2984] <... futex resumed>) = 1 [pid 2982] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2980] <... futex resumed>) = 0 [pid 2984] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2983] <... mmap resumed>) = 0x7f85c0c15000 [pid 2982] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2980] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2978] <... futex resumed>) = 0 [pid 2986] <... set_robust_list resumed>) = 0 [pid 2984] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2983] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2982] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2980] <... futex resumed>) = 0 [pid 2978] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2984] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2983] <... mprotect resumed>) = 0 [pid 2982] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2980] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2985 attached [pid 2984] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2983] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2982] <... futex resumed>) = 0 [pid 2978] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2985] set_robust_list(0x5555810c5760, 24 [pid 2984] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2983] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2982] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2978] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2985] <... set_robust_list resumed>) = 0 [pid 2984] <... futex resumed>) = 1 [pid 2983] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2982] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2980] <... futex resumed>) = 0 [pid 2978] <... futex resumed>) = 0 [pid 2986] rt_sigprocmask(SIG_SETMASK, [] [pid 2985] rt_sigprocmask(SIG_SETMASK, [] [pid 2984] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2982] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2985] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2984] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2982] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2980] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2978] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2987 attached [pid 2986] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2985] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2984] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2982] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2980] <... futex resumed>) = 0 [pid 2978] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2986] mkdirat(AT_FDCWD, "./config", 0777 [pid 2985] <... prctl resumed>) = 0 [pid 2984] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2983] <... clone3 resumed> => {parent_tid=[2987]}, 88) = 2987 [pid 2982] <... futex resumed>) = 0 [pid 2980] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2978] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2986] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2985] setpgid(0, 0 [pid 2984] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2983] rt_sigprocmask(SIG_SETMASK, [] [pid 2982] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2980] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2978] <... futex resumed>) = 0 [pid 2986] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2985] <... setpgid resumed>) = 0 [pid 2984] <... futex resumed>) = 0 [pid 2983] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2982] <... mkdirat resumed>) = 0 [pid 2980] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2978] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2986] <... futex resumed>) = 1 [pid 2985] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2984] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2983] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2982] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2980] <... futex resumed>) = 0 [pid 2979] <... futex resumed>) = 0 [pid 2978] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2986] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2985] <... openat resumed>) = 3 [pid 2984] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2983] <... futex resumed>) = 0 [pid 2982] <... futex resumed>) = 0 [pid 2980] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2979] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2978] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2986] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2985] write(3, "1000", 4 [pid 2984] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2983] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2982] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2980] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2979] <... futex resumed>) = 0 [pid 2978] <... futex resumed>) = 0 [pid 2986] mount(NULL, "./config", "configfs", 0, NULL [pid 2985] <... write resumed>) = 4 [pid 2984] <... futex resumed>) = 0 [pid 2982] <... symlinkat resumed>) = 0 [pid 2980] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2979] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2978] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2986] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2985] close(3 [pid 2984] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2982] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2980] <... futex resumed>) = 0 [pid 2978] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2986] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2985] <... close resumed>) = 0 [pid 2984] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 2982] <... futex resumed>) = 0 [pid 2980] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2978] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2986] <... futex resumed>) = 1 [pid 2985] write(1, "executing program\n", 18 [pid 2984] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 2982] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2980] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2979] <... futex resumed>) = 0 [pid 2978] <... futex resumed>) = 0 [pid 2986] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2985] <... write resumed>) = 18 [pid 2984] <... futex resumed>) = 0 [pid 2982] <... unlinkat resumed>) = 0 [pid 2980] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2979] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2978] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2987] set_robust_list(0x7f85c0c359a0, 24 [pid 2986] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2985] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2984] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2982] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2980] <... futex resumed>) = 0 [pid 2979] <... futex resumed>) = 0 [pid 2978] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2987] <... set_robust_list resumed>) = 0 [pid 2986] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2985] <... futex resumed>) = 0 [pid 2984] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2982] <... futex resumed>) = 0 [pid 2980] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2979] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2978] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2987] rt_sigprocmask(SIG_SETMASK, [] [pid 2986] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2985] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2984] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2982] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2980] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2978] <... futex resumed>) = 0 [pid 2987] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2986] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2985] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2984] <... futex resumed>) = 0 [pid 2982] <... unlinkat resumed>) = 0 [pid 2980] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2978] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2987] mkdirat(AT_FDCWD, "./config", 0777 [pid 2986] <... futex resumed>) = 1 [pid 2985] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2984] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2982] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2980] <... futex resumed>) = 0 [pid 2979] <... futex resumed>) = 0 [pid 2978] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2987] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2986] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2985] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2984] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2982] <... futex resumed>) = 0 [pid 2980] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2979] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2978] exit_group(0 [pid 2987] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2986] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2985] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2984] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2980] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2979] <... futex resumed>) = 0 [pid 2978] <... exit_group resumed>) = ? [pid 2987] <... futex resumed>) = 1 [pid 2986] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2985] <... mmap resumed>) = 0x7f85c0c15000 [pid 2984] <... futex resumed>) = 0 [pid 2983] <... futex resumed>) = 0 [pid 2982] +++ exited with 0 +++ [pid 2980] exit_group(0 [pid 2979] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2985] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2986] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2983] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2980] <... exit_group resumed>) = ? [pid 2978] +++ exited with 0 +++ [pid 2987] mount(NULL, "./config", "configfs", 0, NULL [pid 2986] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2985] <... mprotect resumed>) = 0 [pid 2984] +++ exited with 0 +++ [pid 2983] <... futex resumed>) = 0 [pid 2985] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2985] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2980] +++ exited with 0 +++ [pid 2985] <... clone3 resumed> => {parent_tid=[2988]}, 88) = 2988 [pid 2986] <... futex resumed>) = 1 [pid 2985] rt_sigprocmask(SIG_SETMASK, [] [pid 2983] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2979] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2978, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2987] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2986] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2985] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2979] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2987] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2986] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2985] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2979] <... futex resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2980, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2987] <... futex resumed>) = 1 [pid 2986] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2985] <... futex resumed>) = 0 [pid 2983] <... futex resumed>) = 0 [pid 2979] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2987] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2985] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2987] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2986] <... mkdirat resumed>) = 0 [pid 2983] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2987] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2986] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2983] <... futex resumed>) = 0 [pid 2986] <... futex resumed>) = 1 [pid 2983] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2979] <... futex resumed>) = 0 [pid 2987] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2986] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2979] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2987] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2986] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2987] <... futex resumed>) = 1 [pid 2986] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2983] <... futex resumed>) = 0 [pid 2979] <... futex resumed>) = 0 [pid 2987] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2986] <... symlinkat resumed>) = 0 [pid 2983] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2979] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2987] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2986] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2983] <... futex resumed>) = 0 [pid 2979] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2987] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2986] <... futex resumed>) = 0 [pid 2983] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2979] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2987] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2986] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2979] <... futex resumed>) = 0 [pid 2987] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 2988 attached [pid 2986] <... unlinkat resumed>) = 0 [pid 2979] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2987] <... futex resumed>) = 1 [pid 2986] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2983] <... futex resumed>) = 0 [pid 2979] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2987] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2986] <... futex resumed>) = 0 [pid 2983] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2979] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... restart_syscall resumed>) = 0 [pid 2987] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2986] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2983] <... futex resumed>) = 0 [pid 2979] <... futex resumed>) = 0 [pid 2987] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2988] set_robust_list(0x7f85c0c359a0, 24 [pid 2986] <... unlinkat resumed>) = 0 [pid 2983] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2979] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2987] <... futex resumed>) = 0 [pid 2986] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2983] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2979] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2987] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2986] <... futex resumed>) = 0 [pid 2983] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2987] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2986] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2983] <... futex resumed>) = 0 [pid 2979] exit_group(0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2987] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2986] <... futex resumed>) = ? [pid 2983] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2979] <... exit_group resumed>) = ? [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2986] +++ exited with 0 +++ [pid 2988] <... set_robust_list resumed>) = 0 [pid 2988] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2988] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 2988] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2979] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2979, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2985] <... futex resumed>) = 0 [pid 2985] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2985] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2988] <... futex resumed>) = 1 [pid 2988] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 2987] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 2989 [pid 2987] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 2983] <... futex resumed>) = 0 [pid 2987] <... futex resumed>) = 1 [pid 2983] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2987] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2983] <... futex resumed>) = 0 [pid 2983] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2987] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2988] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2987] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2988] <... futex resumed>) = 1 [pid 2987] <... futex resumed>) = 1 [pid 2985] <... futex resumed>) = 0 [pid 2983] <... futex resumed>) = 0 [pid 2988] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2987] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2985] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2983] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2988] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2987] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2985] <... futex resumed>) = 0 [pid 2983] <... futex resumed>) = 0 [pid 2988] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2987] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2985] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2983] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2988] <... futex resumed>) = 0 [pid 2987] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2985] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] <... restart_syscall resumed>) = 0 [pid 2988] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2987] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2985] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2988] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2987] <... futex resumed>) = 1 [pid 2985] <... futex resumed>) = 0 [pid 2983] <... futex resumed>) = 0 [pid 2988] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2987] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2985] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2983] exit_group(0 [pid 2988] <... futex resumed>) = 0 [pid 2985] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2983] <... exit_group resumed>) = ? [pid 2988] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2987] <... futex resumed>) = ? [pid 2985] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2988] <... mkdirat resumed>) = 0 [pid 2985] <... futex resumed>) = 0 [pid 2988] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2985] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2988] <... futex resumed>) = 0 [pid 2985] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2988] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2987] +++ exited with 0 +++ [pid 2985] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2983] +++ exited with 0 +++ [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2988] <... symlinkat resumed>) = 0 [pid 2985] <... futex resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2988] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2985] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2983, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2988] <... futex resumed>) = 0 [pid 2985] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2988] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2985] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2988] <... unlinkat resumed>) = 0 [pid 2985] <... futex resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2988] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2985] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2990 ci2-android-5-15/strace-static-x86_64: Process 2990 attached ci2-android-5-15/strace-static-x86_64: Process 2989 attached [pid 2988] <... futex resumed>) = 0 [pid 2985] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 2988] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2985] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2990] set_robust_list(0x5555810c5760, 24 [pid 2988] <... unlinkat resumed>) = 0 [pid 2985] <... futex resumed>) = 0 [pid 2988] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2985] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2988] <... futex resumed>) = 0 [pid 2985] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2990] <... set_robust_list resumed>) = 0 [pid 2988] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2985] exit_group(0 [pid 2988] <... futex resumed>) = ? [pid 2985] <... exit_group resumed>) = ? [pid 2990] rt_sigprocmask(SIG_SETMASK, [] [pid 2989] set_robust_list(0x5555810c5760, 24 [pid 2988] +++ exited with 0 +++ [pid 2985] +++ exited with 0 +++ [pid 2989] <... set_robust_list resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2985, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2989] rt_sigprocmask(SIG_SETMASK, [] [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2989] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2990] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2989] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2989] setpgid(0, 0) = 0 [pid 2990] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2990] <... prctl resumed>) = 0 [pid 2989] write(3, "1000", 4 [pid 311] <... restart_syscall resumed>) = 0 [pid 2989] <... write resumed>) = 4 [pid 2989] close(3) = 0 [pid 2989] write(1, "executing program\n", 18 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2989] <... write resumed>) = 18 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 2989] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2989] <... futex resumed>) = 0 [pid 2989] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 2989] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2989] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 2989] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 2991 [pid 2989] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 2990] setpgid(0, 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2989] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2989] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[2992]}, 88) = 2992 ci2-android-5-15/strace-static-x86_64: Process 2992 attached [pid 2990] <... setpgid resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 2989] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2989] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2989] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2991 attached [pid 2990] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2991] set_robust_list(0x5555810c5760, 24 [pid 2990] <... openat resumed>) = 3 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2991] <... set_robust_list resumed>) = 0 [pid 2990] write(3, "1000", 4 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2991] rt_sigprocmask(SIG_SETMASK, [] [pid 2990] <... write resumed>) = 4 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2991] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2991] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2991] setpgid(0, 0) = 0 [pid 2991] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2990] close(3 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 2993 [pid 2990] <... close resumed>) = 0 [pid 2991] <... openat resumed>) = 3 [pid 2990] write(1, "executing program\n", 18 [pid 305] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 2991] write(3, "1000", 4 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2990] <... write resumed>) = 18 [pid 2991] <... write resumed>) = 4 [pid 2991] close(3 [pid 2990] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2991] <... close resumed>) = 0 [pid 2991] write(1, "executing program\n", 18) = 18 executing program [pid 2991] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2992] set_robust_list(0x7f85c0c359a0, 24 [pid 2990] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2993 attached [pid 2993] set_robust_list(0x5555810c5760, 24) = 0 [pid 2992] <... set_robust_list resumed>) = 0 [pid 2991] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2990] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2993] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2993] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2993] setpgid(0, 0) = 0 [pid 2993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2992] rt_sigprocmask(SIG_SETMASK, [] [pid 2990] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2991] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2993] <... openat resumed>) = 3 [pid 2992] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2991] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2990] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 2993] write(3, "1000", 4 [pid 2990] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2993] <... write resumed>) = 4 [pid 2990] <... mmap resumed>) = 0x7f85c0c15000 [pid 2993] close(3 [pid 2990] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2993] <... close resumed>) = 0 [pid 2990] <... mprotect resumed>) = 0 executing program [pid 2993] write(1, "executing program\n", 18) = 18 [pid 2990] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2992] mkdirat(AT_FDCWD, "./config", 0777 [pid 2991] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2990] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 2990] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[2994]}, 88) = 2994 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 2994 attached , [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2994] set_robust_list(0x7f85c0c359a0, 24 [pid 2993] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2992] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2991] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2990] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 2995 attached , NULL, 8) = 0 [pid 2990] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 2995 [pid 2990] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2990] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2994] <... set_robust_list resumed>) = 0 [pid 2993] <... futex resumed>) = 0 [pid 2992] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2991] <... mmap resumed>) = 0x7f85c0c15000 [pid 2995] set_robust_list(0x5555810c5760, 24) = 0 [pid 2994] rt_sigprocmask(SIG_SETMASK, [] [pid 2993] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2992] <... futex resumed>) = 1 [pid 2991] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2995] rt_sigprocmask(SIG_SETMASK, [] [pid 2989] <... futex resumed>) = 0 [pid 2993] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2989] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2993] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2989] <... futex resumed>) = 0 [pid 2993] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2993] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2994] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2989] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2993] <... mmap resumed>) = 0x7f85c0c15000 [pid 2994] mkdirat(AT_FDCWD, "./config", 0777 [pid 2993] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 2992] mount(NULL, "./config", "configfs", 0, NULL [pid 2995] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2992] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2994] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2993] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2994] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2990] <... futex resumed>) = 0 [pid 2990] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2990] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2994] <... futex resumed>) = 1 [pid 2994] mount(NULL, "./config", "configfs", 0, NULL [pid 2993] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2994] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2993] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2992] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2989] <... futex resumed>) = 0 [pid 2989] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2989] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2992] <... futex resumed>) = 1 [pid 2992] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 2994] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2990] <... futex resumed>) = 0 [pid 2994] <... futex resumed>) = 1 [pid 2992] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2990] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2994] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2993] <... clone3 resumed> => {parent_tid=[2996]}, 88) = 2996 [pid 2992] <... futex resumed>) = 1 [pid 2990] <... futex resumed>) = 0 [pid 2989] <... futex resumed>) = 0 [pid 2994] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2993] rt_sigprocmask(SIG_SETMASK, [] [pid 2992] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2990] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2989] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2994] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2993] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2992] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2989] <... futex resumed>) = 0 [pid 2994] <... futex resumed>) = 1 [pid 2993] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2992] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2990] <... futex resumed>) = 0 [pid 2989] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2994] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2993] <... futex resumed>) = 0 [pid 2992] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2990] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2995] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2994] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2993] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2992] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2990] <... futex resumed>) = 0 [pid 2994] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2992] <... futex resumed>) = 1 [pid 2990] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2989] <... futex resumed>) = 0 [pid 2994] <... futex resumed>) = 0 [pid 2992] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2990] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2989] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2994] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2992] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2990] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2989] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2996 attached [pid 2995] <... prctl resumed>) = 0 [pid 2994] <... mkdirat resumed>) = 0 [pid 2992] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2991] <... mprotect resumed>) = 0 [pid 2990] <... futex resumed>) = 0 [pid 2989] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2994] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2992] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2990] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2994] <... futex resumed>) = 0 [pid 2992] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2990] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2994] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2992] <... futex resumed>) = 1 [pid 2990] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2989] <... futex resumed>) = 0 [pid 2994] <... symlinkat resumed>) = 0 [pid 2992] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2990] <... futex resumed>) = 0 [pid 2989] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2994] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2992] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2990] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2989] <... futex resumed>) = 0 [pid 2994] <... futex resumed>) = 0 [pid 2992] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2990] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2989] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2994] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2992] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 2990] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2994] <... unlinkat resumed>) = 0 [pid 2992] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2990] <... futex resumed>) = 0 [pid 2995] setpgid(0, 0 [pid 2994] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2992] <... futex resumed>) = 1 [pid 2991] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2990] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2989] <... futex resumed>) = 0 [pid 2994] <... futex resumed>) = 0 [pid 2992] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2990] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2989] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2994] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2992] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2990] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2989] <... futex resumed>) = 0 [pid 2994] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2992] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2990] <... futex resumed>) = 0 [pid 2989] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2996] set_robust_list(0x7f85c0c359a0, 24 [pid 2995] <... setpgid resumed>) = 0 [pid 2994] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2992] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2991] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2990] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2994] <... unlinkat resumed>) = 0 [pid 2992] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2994] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2992] <... futex resumed>) = 1 [pid 2989] <... futex resumed>) = 0 [pid 2994] <... futex resumed>) = 1 [pid 2992] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2990] <... futex resumed>) = 0 [pid 2989] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2994] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2992] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2990] exit_group(0 [pid 2989] <... futex resumed>) = 0 [pid 2994] <... futex resumed>) = ? [pid 2992] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2990] <... exit_group resumed>) = ? [pid 2989] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2996] <... set_robust_list resumed>) = 0 [pid 2995] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2994] +++ exited with 0 +++ [pid 2992] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2991] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2995] <... openat resumed>) = 3 [pid 2992] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2990] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2990, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2995] write(3, "1000", 4 [pid 2992] <... futex resumed>) = 1 [pid 2989] <... futex resumed>) = 0 [pid 2992] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2989] exit_group(0 [pid 2992] <... futex resumed>) = ? [pid 2989] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 2997 attached [pid 2996] rt_sigprocmask(SIG_SETMASK, [] [pid 2995] <... write resumed>) = 4 [pid 2992] +++ exited with 0 +++ [pid 2991] <... clone3 resumed> => {parent_tid=[2997]}, 88) = 2997 [pid 2997] set_robust_list(0x7f85c0c359a0, 24 [pid 2996] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2995] close(3 [pid 2991] rt_sigprocmask(SIG_SETMASK, [] [pid 2989] +++ exited with 0 +++ [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2997] <... set_robust_list resumed>) = 0 [pid 2996] mkdirat(AT_FDCWD, "./config", 0777 [pid 2995] <... close resumed>) = 0 [pid 2991] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2989, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2996] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2995] write(1, "executing program\n", 18 executing program [pid 2991] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2997] rt_sigprocmask(SIG_SETMASK, [] [pid 2996] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2995] <... write resumed>) = 18 [pid 2991] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 2998 attached [pid 2997] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2996] <... futex resumed>) = 1 [pid 2995] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2993] <... futex resumed>) = 0 [pid 2991] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2997] mkdirat(AT_FDCWD, "./config", 0777 [pid 2996] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2995] <... futex resumed>) = 0 [pid 2993] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 2998 [pid 2997] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2996] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2995] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2993] <... futex resumed>) = 0 [pid 2997] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2996] mount(NULL, "./config", "configfs", 0, NULL [pid 2995] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2993] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 2997] <... futex resumed>) = 1 [pid 2995] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2997] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2996] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2995] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2991] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2996] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2995] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2991] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2996] <... futex resumed>) = 1 [pid 2995] <... mmap resumed>) = 0x7f85c0c15000 [pid 2993] <... futex resumed>) = 0 [pid 2991] <... futex resumed>) = 1 [pid 2997] <... futex resumed>) = 0 [pid 2996] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2995] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2993] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2997] mount(NULL, "./config", "configfs", 0, NULL [pid 2996] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2995] <... mprotect resumed>) = 0 [pid 2993] <... futex resumed>) = 0 [pid 2991] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2998] set_robust_list(0x5555810c5760, 24 [pid 2996] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2995] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2993] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2998] <... set_robust_list resumed>) = 0 [pid 2997] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2996] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2995] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2998] rt_sigprocmask(SIG_SETMASK, [] [pid 2997] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2996] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2995] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2997] <... futex resumed>) = 1 [pid 2996] <... futex resumed>) = 1 [pid 2993] <... futex resumed>) = 0 [pid 2991] <... futex resumed>) = 0 [pid 2998] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2997] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2995] <... clone3 resumed> => {parent_tid=[2999]}, 88) = 2999 [pid 2993] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2995] rt_sigprocmask(SIG_SETMASK, [] [pid 2993] <... futex resumed>) = 0 [pid 2995] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2993] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2995] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2995] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 2999 attached [pid 2999] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 2999] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2999] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 2999] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2995] <... futex resumed>) = 0 [pid 2999] mount(NULL, "./config", "configfs", 0, NULL [pid 2996] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2995] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2991] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2999] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 2998] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2996] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2995] <... futex resumed>) = 0 [pid 2999] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2998] <... prctl resumed>) = 0 [pid 2997] <... futex resumed>) = 0 [pid 2996] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2995] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2991] <... futex resumed>) = 1 [pid 2999] <... futex resumed>) = 0 [pid 2998] setpgid(0, 0 [pid 2997] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2996] <... futex resumed>) = 1 [pid 2995] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2993] <... futex resumed>) = 0 [pid 2991] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2999] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2998] <... setpgid resumed>) = 0 [pid 2997] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2996] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2995] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2993] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2999] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2997] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2996] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2995] <... futex resumed>) = 0 [pid 2993] <... futex resumed>) = 0 [pid 2999] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2998] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2997] <... futex resumed>) = 1 [pid 2996] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2995] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2993] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2991] <... futex resumed>) = 0 [pid 2999] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2997] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2999] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 2995] <... futex resumed>) = 0 [pid 2999] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2996] <... mkdirat resumed>) = 0 [pid 2995] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2991] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2999] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2998] <... openat resumed>) = 3 [pid 2996] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2995] <... futex resumed>) = 0 [pid 2997] <... futex resumed>) = 0 [pid 2991] <... futex resumed>) = 1 [pid 2999] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2998] write(3, "1000", 4 [pid 2997] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2996] <... futex resumed>) = 1 [pid 2995] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2993] <... futex resumed>) = 0 [pid 2999] <... futex resumed>) = 0 [pid 2998] <... write resumed>) = 4 [pid 2997] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2996] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2995] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2993] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2991] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2999] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2998] close(3 [pid 2997] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2996] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2995] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2993] <... futex resumed>) = 0 [pid 2991] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2999] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2998] <... close resumed>) = 0 [pid 2997] <... futex resumed>) = 0 [pid 2996] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2995] <... futex resumed>) = 0 [pid 2993] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2991] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2999] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2998] write(1, "executing program\n", 18 [pid 2997] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 2996] <... symlinkat resumed>) = 0 [pid 2995] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2991] <... futex resumed>) = 0 [pid 2999] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2997] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 2999] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2998] <... write resumed>) = 18 [pid 2997] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2996] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2991] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2999] <... futex resumed>) = 1 [pid 2998] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2997] <... futex resumed>) = 0 [pid 2996] <... futex resumed>) = 1 [pid 2995] <... futex resumed>) = 0 [pid 2993] <... futex resumed>) = 0 [pid 2999] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2998] <... futex resumed>) = 0 [pid 2997] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2996] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2995] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2993] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2991] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2999] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2998] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 2996] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2995] <... futex resumed>) = 0 [pid 2993] <... futex resumed>) = 0 [pid 2991] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2999] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2998] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 2996] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2995] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2997] <... futex resumed>) = 0 [pid 2993] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2991] <... futex resumed>) = 1 [pid 312] <... restart_syscall resumed>) = 0 [pid 2999] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 2998] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 2997] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2996] <... unlinkat resumed>) = 0 [pid 2991] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2999] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2998] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2997] <... symlinkat resumed>) = 0 [pid 2996] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2999] <... futex resumed>) = 1 [pid 2998] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 2997] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2996] <... futex resumed>) = 1 [pid 2995] <... futex resumed>) = 0 [pid 2993] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2999] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2998] <... mmap resumed>) = 0x7f85c0c15000 [pid 2997] <... futex resumed>) = 1 [pid 2996] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2995] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2993] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2991] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2999] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2998] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 2997] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2996] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 2995] <... futex resumed>) = 0 [pid 2993] <... futex resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2991] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3000 attached [pid 2999] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2998] <... mprotect resumed>) = 0 [pid 2997] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2996] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2995] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2993] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2991] <... futex resumed>) = 0 [pid 2999] <... unlinkat resumed>) = 0 [pid 2998] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2997] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2996] <... futex resumed>) = 0 [pid 2993] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2991] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3000 [pid 3000] set_robust_list(0x5555810c5760, 24 [pid 2999] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2998] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2997] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2996] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2993] exit_group(0 [pid 3000] <... set_robust_list resumed>) = 0 [pid 2999] <... futex resumed>) = 1 [pid 2998] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 2997] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2996] <... futex resumed>) = ? [pid 2995] <... futex resumed>) = 0 [pid 2993] <... exit_group resumed>) = ? [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3000] rt_sigprocmask(SIG_SETMASK, [] [pid 2999] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2997] <... futex resumed>) = 1 [pid 2996] +++ exited with 0 +++ [pid 2995] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2991] <... futex resumed>) = 0 [pid 2998] <... clone3 resumed> => {parent_tid=[3001]}, 88) = 3001 [pid 2991] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 2998] rt_sigprocmask(SIG_SETMASK, [] [pid 2993] +++ exited with 0 +++ [pid 2991] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3000] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2999] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2998] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2997] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2995] <... futex resumed>) = 0 [pid 2991] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2999] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2998] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 2997] <... unlinkat resumed>) = 0 [pid 2995] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2993, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3000] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2999] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 2998] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 2997] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3000] <... prctl resumed>) = 0 [pid 2999] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2997] <... futex resumed>) = 1 [pid 2991] <... futex resumed>) = 0 [pid 3000] setpgid(0, 0 [pid 2999] <... futex resumed>) = 1 [pid 2997] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2995] <... futex resumed>) = 0 [pid 2991] exit_group(0 [pid 3000] <... setpgid resumed>) = 0 [pid 2999] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2997] <... futex resumed>) = ? [pid 2995] exit_group(0 [pid 2991] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 3001 attached [pid 3000] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2999] <... futex resumed>) = ? [pid 2997] +++ exited with 0 +++ [pid 2995] <... exit_group resumed>) = ? [pid 3001] set_robust_list(0x7f85c0c359a0, 24 [pid 3000] <... openat resumed>) = 3 [pid 2999] +++ exited with 0 +++ [pid 2991] +++ exited with 0 +++ [pid 3001] <... set_robust_list resumed>) = 0 [pid 3000] write(3, "1000", 4 [pid 2995] +++ exited with 0 +++ [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2991, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3001] rt_sigprocmask(SIG_SETMASK, [] [pid 3000] <... write resumed>) = 4 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3000] close(3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2995, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3000] <... close resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3000] write(1, "executing program\n", 18) = 18 executing program [pid 3000] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3000] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3000] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3000] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3000] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3000] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3000] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0}ci2-android-5-15/strace-static-x86_64: Process 3002 attached => {parent_tid=[3002]}, 88) = 3002 [pid 3002] set_robust_list(0x7f85c0c359a0, 24 [pid 3000] rt_sigprocmask(SIG_SETMASK, [] [pid 3002] <... set_robust_list resumed>) = 0 [pid 3000] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3002] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3000] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3000] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3002] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3002] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3000] <... futex resumed>) = 0 [pid 3000] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3000] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3002] <... futex resumed>) = 1 [pid 3002] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3002] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3000] <... futex resumed>) = 0 [pid 3000] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3000] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3002] <... futex resumed>) = 1 [pid 3002] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3002] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3000] <... futex resumed>) = 0 [pid 3000] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3000] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 3001] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3001] mkdirat(AT_FDCWD, "./config", 0777 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 3003 attached ci2-android-5-15/strace-static-x86_64: Process 3004 attached [pid 3001] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... restart_syscall resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3003 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3004 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3002] <... futex resumed>) = 1 [pid 3002] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3002] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3000] <... futex resumed>) = 0 [pid 3000] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3000] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3002] <... futex resumed>) = 1 [pid 3002] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3001] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3003] set_robust_list(0x5555810c5760, 24 [pid 3001] <... futex resumed>) = 1 [pid 2998] <... futex resumed>) = 0 [pid 3002] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3000] <... futex resumed>) = 0 [pid 3000] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3000] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3002] <... futex resumed>) = 1 [pid 3002] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 2998] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3002] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2998] <... futex resumed>) = 0 [pid 3001] mount(NULL, "./config", "configfs", 0, NULL [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3002] <... futex resumed>) = 1 [pid 3000] <... futex resumed>) = 0 [pid 2998] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3002] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3000] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3002] <... unlinkat resumed>) = 0 [pid 3001] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3000] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3003] <... set_robust_list resumed>) = 0 [pid 3002] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3001] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3000] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3002] <... futex resumed>) = 0 [pid 3000] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3002] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3000] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3002] <... unlinkat resumed>) = 0 [pid 3000] <... futex resumed>) = 0 [pid 3002] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3000] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3002] <... futex resumed>) = 0 [pid 3001] <... futex resumed>) = 1 [pid 3000] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2998] <... futex resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3002] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3001] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3000] exit_group(0 [pid 2998] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3002] <... futex resumed>) = ? [pid 3000] <... exit_group resumed>) = ? [pid 3004] set_robust_list(0x5555810c5760, 24 [pid 3003] rt_sigprocmask(SIG_SETMASK, [] [pid 3002] +++ exited with 0 +++ [pid 3001] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3000] +++ exited with 0 +++ [pid 2998] <... futex resumed>) = 0 [pid 3001] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 2998] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3005 [pid 3001] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3000, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 3005 attached [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3001] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3001] <... futex resumed>) = 1 [pid 2998] <... futex resumed>) = 0 [pid 3001] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 2998] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3005] set_robust_list(0x5555810c5760, 24 [pid 3001] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 2998] <... futex resumed>) = 0 [pid 3001] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 2998] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3001] <... futex resumed>) = 0 [pid 3005] <... set_robust_list resumed>) = 0 [pid 3005] rt_sigprocmask(SIG_SETMASK, [] [pid 3001] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2998] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3005] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2998] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3005] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2998] <... futex resumed>) = 1 [pid 3001] <... futex resumed>) = 0 [pid 2998] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3001] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3005] setpgid(0, 0) = 0 [pid 3005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3001] <... mkdirat resumed>) = 0 [pid 3005] write(3, "1000", 4 [pid 3001] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3005] <... write resumed>) = 4 [pid 3001] <... futex resumed>) = 1 [pid 2998] <... futex resumed>) = 0 [pid 3001] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2998] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3003] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3001] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2998] <... futex resumed>) = 0 [pid 3001] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 2998] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3005] close(3) = 0 [pid 3001] <... symlinkat resumed>) = 0 [pid 3005] write(1, "executing program\n", 18 [pid 3001] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3003] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3001] <... futex resumed>) = 1 [pid 2998] <... futex resumed>) = 0 [pid 3001] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2998] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3003] <... prctl resumed>) = 0 [pid 3001] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2998] <... futex resumed>) = 0 [pid 3005] <... write resumed>) = 18 [pid 3003] setpgid(0, 0 [pid 3001] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 2998] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3005] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 3001] <... unlinkat resumed>) = 0 [pid 3003] <... setpgid resumed>) = 0 [pid 3001] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3005] <... futex resumed>) = 0 [pid 3001] <... futex resumed>) = 1 [pid 2998] <... futex resumed>) = 0 [pid 3001] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3003] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2998] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3001] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 2998] <... futex resumed>) = 0 [pid 3001] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 2998] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3005] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3005] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3001] <... unlinkat resumed>) = 0 [pid 3005] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3001] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3003] <... openat resumed>) = 3 [pid 3001] <... futex resumed>) = 1 [pid 2998] <... futex resumed>) = 0 [pid 3003] write(3, "1000", 4 [pid 3001] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 2998] exit_group(0 [pid 3005] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3001] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 2998] <... exit_group resumed>) = ? [pid 3003] <... write resumed>) = 4 [pid 3001] +++ exited with 0 +++ [pid 3005] <... mmap resumed>) = 0x7f85c0c15000 [pid 3005] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3005] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3005] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[3006]}, 88) = 3006 [pid 2998] +++ exited with 0 +++ [pid 3003] close(3 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2998, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3005] rt_sigprocmask(SIG_SETMASK, [] [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3003] <... close resumed>) = 0 [pid 3005] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3005] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3003] write(1, "executing program\n", 18 [pid 3005] <... futex resumed>) = 0 [pid 3005] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3006 attached [pid 3006] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3006] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3006] mkdirat(AT_FDCWD, "./config", 0777 [pid 3003] <... write resumed>) = 18 [pid 3006] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3006] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 3003] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3005] <... futex resumed>) = 0 [pid 3005] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3005] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3006] <... futex resumed>) = 1 [pid 3006] mount(NULL, "./config", "configfs", 0, NULL [pid 3004] <... set_robust_list resumed>) = 0 [pid 3003] <... futex resumed>) = 0 [pid 3003] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3006] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3003] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3006] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3005] <... futex resumed>) = 0 [pid 3003] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3005] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3005] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3006] <... futex resumed>) = 1 [pid 3006] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3006] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3005] <... futex resumed>) = 0 [pid 3005] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3005] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3006] <... futex resumed>) = 1 [pid 3006] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3006] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3005] <... futex resumed>) = 0 [pid 3005] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3005] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3006] <... futex resumed>) = 1 [pid 3006] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3006] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3005] <... futex resumed>) = 0 [pid 3005] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3005] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3006] <... futex resumed>) = 1 [pid 3006] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 312] <... restart_syscall resumed>) = 0 [pid 3003] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3006] <... symlinkat resumed>) = 0 [pid 3003] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3003] <... mmap resumed>) = 0x7f85c0c15000 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3003] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3003] <... mprotect resumed>) = 0 [pid 3006] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3005] <... futex resumed>) = 0 [pid 3005] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3005] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3006] <... futex resumed>) = 1 [pid 3006] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3007 [pid 3003] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3004] rt_sigprocmask(SIG_SETMASK, [] [pid 3003] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3004] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3003] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3006] <... unlinkat resumed>) = 0 [pid 3006] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3003] <... clone3 resumed> => {parent_tid=[3008]}, 88) = 3008 [pid 3004] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3003] rt_sigprocmask(SIG_SETMASK, [] [pid 3004] <... prctl resumed>) = 0 [pid 3003] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3005] <... futex resumed>) = 0 [pid 3003] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... restart_syscall resumed>) = 0 [pid 3004] setpgid(0, 0 [pid 3005] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3003] <... futex resumed>) = 0 [pid 3005] <... futex resumed>) = 0 [pid 3005] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3006] <... futex resumed>) = 1 [pid 3006] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3003] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3004] <... setpgid resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3006] <... unlinkat resumed>) = 0 [pid 3006] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3005] <... futex resumed>) = 0 [pid 3005] exit_group(0) = ? [pid 3006] <... futex resumed>) = ? [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3009 [pid 3004] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3004] <... openat resumed>) = 3 ci2-android-5-15/strace-static-x86_64: Process 3008 attached [pid 3004] write(3, "1000", 4) = 4 [pid 3006] +++ exited with 0 +++ [pid 3005] +++ exited with 0 +++ [pid 3004] close(3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3005, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3004] <... close resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3009 attached [pid 3009] set_robust_list(0x5555810c5760, 24) = 0 [pid 3009] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3009] prctl(PR_SET_PDEATHSIG, SIGKILLci2-android-5-15/strace-static-x86_64: Process 3007 attached [pid 3007] set_robust_list(0x5555810c5760, 24 [pid 3009] <... prctl resumed>) = 0 [pid 3007] <... set_robust_list resumed>) = 0 [pid 3009] setpgid(0, 0 [pid 3007] rt_sigprocmask(SIG_SETMASK, [] [pid 3009] <... setpgid resumed>) = 0 [pid 3009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3007] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3007] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3004] write(1, "executing program\n", 18 [pid 3009] <... openat resumed>) = 3 [pid 3007] <... prctl resumed>) = 0 [pid 3007] setpgid(0, 0) = 0 [pid 3007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3009] write(3, "1000", 4) = 4 [pid 3009] close(3) = 0 [pid 3007] <... openat resumed>) = 3 [pid 3009] write(1, "executing program\n", 18) = 18 executing program [pid 3009] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3009] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} executing program [pid 3004] <... write resumed>) = 18 [pid 3009] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3004] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3009] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3004] <... futex resumed>) = 0 [pid 3009] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3004] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3007] write(3, "1000", 4 [pid 3009] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3004] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3004] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3007] <... write resumed>) = 4 [pid 3004] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3009] <... mmap resumed>) = 0x7f85c0c15000 [pid 3004] <... mmap resumed>) = 0x7f85c0c15000 [pid 3007] close(3 [pid 3004] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3007] <... close resumed>) = 0 [pid 3004] <... mprotect resumed>) = 0 [pid 3009] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3004] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3007] write(1, "executing program\n", 18 [pid 3004] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3008] set_robust_list(0x7f85c0c359a0, 24 [pid 3004] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3007] <... write resumed>) = 18 [pid 3007] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3009] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3008] <... set_robust_list resumed>) = 0 [pid 3007] <... futex resumed>) = 0 executing program [pid 3004] <... clone3 resumed> => {parent_tid=[3010]}, 88) = 3010 [pid 3008] rt_sigprocmask(SIG_SETMASK, [] [pid 3004] rt_sigprocmask(SIG_SETMASK, [] [pid 3007] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3009] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3008] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3004] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3007] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3004] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3009] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3008] mkdirat(AT_FDCWD, "./config", 0777 [pid 3004] <... futex resumed>) = 0 [pid 3007] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3008] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3004] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3008] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3003] <... futex resumed>) = 0 [pid 3003] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3008] <... futex resumed>) = 1 [pid 3003] <... futex resumed>) = 0 [pid 3007] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3008] mount(NULL, "./config", "configfs", 0, NULL [pid 3003] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3007] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3008] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3007] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3009] <... clone3 resumed> => {parent_tid=[3011]}, 88) = 3011 [pid 3007] <... mprotect resumed>) = 0 [pid 3008] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3009] rt_sigprocmask(SIG_SETMASK, [] [pid 3008] <... futex resumed>) = 1 [pid 3003] <... futex resumed>) = 0 [pid 3009] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3003] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3008] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3003] <... futex resumed>) = 0 [pid 3007] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3003] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3008] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3009] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3009] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3007] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3007] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[3012]}, 88) = 3012 [pid 3007] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3007] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3007] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3010 attached [pid 3010] set_robust_list(0x7f85c0c359a0, 24 [pid 3008] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3011 attached [pid 3011] set_robust_list(0x7f85c0c359a0, 24 [pid 3010] <... set_robust_list resumed>) = 0 [pid 3010] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3008] <... futex resumed>) = 1 [pid 3003] <... futex resumed>) = 0 [pid 3003] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3008] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3003] <... futex resumed>) = 0 [pid 3003] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3008] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3011] <... set_robust_list resumed>) = 0 [pid 3008] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3010] mkdirat(AT_FDCWD, "./config", 0777 [pid 3008] <... futex resumed>) = 1 [pid 3003] <... futex resumed>) = 0 [pid 3008] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3003] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3008] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3003] <... futex resumed>) = 0 [pid 3008] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3003] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3011] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3011] mkdirat(AT_FDCWD, "./config", 0777 [pid 3008] <... mkdirat resumed>) = 0 [pid 3010] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3008] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3010] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3008] <... futex resumed>) = 1 [pid 3003] <... futex resumed>) = 0 [pid 3008] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3003] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3008] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3003] <... futex resumed>) = 0 [pid 3008] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3003] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3011] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3008] <... symlinkat resumed>) = 0 [pid 3010] <... futex resumed>) = 1 [pid 3004] <... futex resumed>) = 0 [pid 3008] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3004] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3003] <... futex resumed>) = 0 [pid 3004] <... futex resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 3008] <... futex resumed>) = 1 ci2-android-5-15/strace-static-x86_64: Process 3012 attached [pid 3011] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3010] mount(NULL, "./config", "configfs", 0, NULL [pid 3008] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3004] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3003] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3009] <... futex resumed>) = 0 [pid 3009] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3009] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3008] <... unlinkat resumed>) = 0 [pid 3003] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3008] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3003] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3008] <... futex resumed>) = 0 [pid 3003] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3012] set_robust_list(0x7f85c0c359a0, 24 [pid 3011] <... futex resumed>) = 1 [pid 3010] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3008] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3003] <... futex resumed>) = 0 [pid 3012] <... set_robust_list resumed>) = 0 [pid 3011] mount(NULL, "./config", "configfs", 0, NULL [pid 3010] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3012] rt_sigprocmask(SIG_SETMASK, [] [pid 3011] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3010] <... futex resumed>) = 1 [pid 3004] <... futex resumed>) = 0 [pid 3003] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3004] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3013 [pid 3004] <... futex resumed>) = 0 [pid 3012] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3011] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3010] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3004] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3008] <... unlinkat resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3008] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3003] <... futex resumed>) = 0 [pid 3012] mkdirat(AT_FDCWD, "./config", 0777 [pid 3011] <... futex resumed>) = 1 [pid 3010] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3009] <... futex resumed>) = 0 [pid 3008] <... futex resumed>) = 1 [pid 3003] exit_group(0 [pid 3012] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3011] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3010] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3009] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3003] <... exit_group resumed>) = ? [pid 3008] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3012] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3011] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3010] <... futex resumed>) = 1 [pid 3009] <... futex resumed>) = 0 [pid 3004] <... futex resumed>) = 0 [pid 3012] <... futex resumed>) = 1 [pid 3011] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3010] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3009] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3007] <... futex resumed>) = 0 [pid 3004] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3012] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3011] <... futex resumed>) = 0 [pid 3010] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3009] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3007] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3004] <... futex resumed>) = 0 [pid 3012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3011] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3010] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3009] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3007] <... futex resumed>) = 0 [pid 3004] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3012] mount(NULL, "./config", "configfs", 0, NULL [pid 3011] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3010] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3009] <... futex resumed>) = 0 [pid 3008] +++ exited with 0 +++ [pid 3007] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3003] +++ exited with 0 +++ [pid 3012] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3011] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3010] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3009] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3012] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3011] <... futex resumed>) = 0 [pid 3010] <... futex resumed>) = 1 [pid 3009] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3004] <... futex resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3003, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3012] <... futex resumed>) = 1 [pid 3011] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3010] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3009] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3007] <... futex resumed>) = 0 [pid 3012] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3011] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3009] <... futex resumed>) = 0 [pid 3007] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3004] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3011] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3010] <... futex resumed>) = 0 [pid 3009] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3007] <... futex resumed>) = 0 [pid 3004] <... futex resumed>) = 1 ci2-android-5-15/strace-static-x86_64: Process 3013 attached [pid 3012] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3011] <... mkdirat resumed>) = 0 [pid 3010] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3007] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3004] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3013] set_robust_list(0x5555810c5760, 24 [pid 3012] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3011] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3010] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3012] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3011] <... futex resumed>) = 1 [pid 3010] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3009] <... futex resumed>) = 0 [pid 3013] <... set_robust_list resumed>) = 0 [pid 3012] <... futex resumed>) = 1 [pid 3011] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3010] <... futex resumed>) = 1 [pid 3009] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3007] <... futex resumed>) = 0 [pid 3004] <... futex resumed>) = 0 [pid 3013] rt_sigprocmask(SIG_SETMASK, [] [pid 3012] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3011] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3010] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3009] <... futex resumed>) = 0 [pid 3007] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3004] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3013] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3011] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3010] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3009] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3007] <... futex resumed>) = 0 [pid 3004] <... futex resumed>) = 0 [pid 3013] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3012] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3010] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3007] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3004] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3013] <... prctl resumed>) = 0 [pid 3012] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3013] setpgid(0, 0) = 0 [pid 3013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3012] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3010] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3012] <... futex resumed>) = 1 [pid 3011] <... symlinkat resumed>) = 0 [pid 3010] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3007] <... futex resumed>) = 0 [pid 3013] <... openat resumed>) = 3 [pid 3012] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3011] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3010] <... futex resumed>) = 1 [pid 3007] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3004] <... futex resumed>) = 0 [pid 3013] write(3, "1000", 4 [pid 3012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3011] <... futex resumed>) = 1 [pid 3010] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3009] <... futex resumed>) = 0 [pid 3007] <... futex resumed>) = 0 [pid 3004] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3013] <... write resumed>) = 4 [pid 3012] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3011] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3010] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3009] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3007] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3004] <... futex resumed>) = 0 [pid 3013] close(3 [pid 3012] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3011] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3010] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3009] <... futex resumed>) = 0 [pid 3004] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3013] <... close resumed>) = 0 [pid 3012] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3011] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3010] <... unlinkat resumed>) = 0 [pid 3009] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3013] write(1, "executing program\n", 18 [pid 3012] <... futex resumed>) = 1 [pid 3011] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3010] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3007] <... futex resumed>) = 0 executing program [pid 3013] <... write resumed>) = 18 [pid 3012] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3011] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3010] <... futex resumed>) = 1 [pid 3007] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3004] <... futex resumed>) = 0 [pid 3013] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3011] <... futex resumed>) = 1 [pid 3010] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3009] <... futex resumed>) = 0 [pid 3007] <... futex resumed>) = 0 [pid 3004] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3013] <... futex resumed>) = 0 [pid 3012] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3011] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3010] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3009] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3007] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3004] <... futex resumed>) = 0 [pid 3013] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3012] <... symlinkat resumed>) = 0 [pid 3011] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3010] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3009] <... futex resumed>) = 0 [pid 3004] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3013] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3012] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3011] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3010] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3009] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3013] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3012] <... futex resumed>) = 1 [pid 3011] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3010] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3007] <... futex resumed>) = 0 [pid 3013] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3012] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3011] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3010] <... futex resumed>) = 1 [pid 3004] <... futex resumed>) = 0 [pid 3013] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3011] <... futex resumed>) = 1 [pid 3010] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3009] <... futex resumed>) = 0 [pid 3007] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3004] exit_group(0 [pid 311] <... restart_syscall resumed>) = 0 [pid 3013] <... mmap resumed>) = 0x7f85c0c15000 [pid 3012] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3011] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3010] <... futex resumed>) = ? [pid 3009] exit_group(0 [pid 3007] <... futex resumed>) = 0 [pid 3004] <... exit_group resumed>) = ? [pid 3013] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3012] <... unlinkat resumed>) = 0 [pid 3011] <... futex resumed>) = ? [pid 3010] +++ exited with 0 +++ [pid 3009] <... exit_group resumed>) = ? [pid 3007] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3013] <... mprotect resumed>) = 0 [pid 3012] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3011] +++ exited with 0 +++ [pid 3009] +++ exited with 0 +++ [pid 3007] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3004] +++ exited with 0 +++ [pid 3013] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3012] <... futex resumed>) = 0 [pid 3007] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3004, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3009, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3013] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3012] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3007] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3013] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3012] <... unlinkat resumed>) = 0 [pid 3007] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 3015 attached [pid 3012] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3013] <... clone3 resumed> => {parent_tid=[3014]}, 88) = 3014 [pid 3012] <... futex resumed>) = 1 [pid 3007] <... futex resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3015 [pid 3013] rt_sigprocmask(SIG_SETMASK, [] [pid 3012] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3007] exit_group(0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3013] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3012] <... futex resumed>) = ? [pid 3007] <... exit_group resumed>) = ? [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3013] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3012] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 3014 attached [pid 3014] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3014] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3014] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3007] +++ exited with 0 +++ [pid 3013] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3007, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3013] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3014] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3013] <... futex resumed>) = 0 [pid 3014] mount(NULL, "./config", "configfs", 0, NULL [pid 3013] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3015] set_robust_list(0x5555810c5760, 24 [pid 3014] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3013] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3014] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3013] <... futex resumed>) = 0 [pid 3014] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3013] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3014] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3013] <... futex resumed>) = 0 [pid 3015] <... set_robust_list resumed>) = 0 [pid 3013] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3014] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3013] <... futex resumed>) = 0 [pid 3014] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3013] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3014] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3013] <... futex resumed>) = 0 [pid 3014] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3013] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3014] <... futex resumed>) = 0 [pid 3013] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3014] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3013] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3015] rt_sigprocmask(SIG_SETMASK, [] [pid 3013] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3014] <... mkdirat resumed>) = 0 [pid 3014] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3015] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3014] <... futex resumed>) = 1 [pid 3013] <... futex resumed>) = 0 [pid 3014] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3013] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3014] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3013] <... futex resumed>) = 0 [pid 3014] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3013] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3014] <... symlinkat resumed>) = 0 [pid 3015] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3014] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3013] <... futex resumed>) = 0 [pid 3014] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3013] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3014] <... unlinkat resumed>) = 0 [pid 3013] <... futex resumed>) = 0 [pid 3014] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3013] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3014] <... futex resumed>) = 0 [pid 3013] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3014] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3015] <... prctl resumed>) = 0 [pid 3013] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3015] setpgid(0, 0 [pid 3014] <... unlinkat resumed>) = 0 [pid 3013] <... futex resumed>) = 0 [pid 3014] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3013] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3015] <... setpgid resumed>) = 0 [pid 3013] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3014] <... futex resumed>) = 0 [pid 3013] exit_group(0) = ? [pid 3015] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3014] +++ exited with 0 +++ [pid 3013] +++ exited with 0 +++ [pid 3015] <... openat resumed>) = 3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3013, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 3015] write(3, "1000", 4 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3015] <... write resumed>) = 4 [pid 3015] close(3) = 0 [pid 3015] write(1, "executing program\n", 18) = 18 executing program [pid 3015] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3015] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3015] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3015] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3015] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3015] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3015] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0}ci2-android-5-15/strace-static-x86_64: Process 3016 attached [pid 312] <... restart_syscall resumed>) = 0 [pid 3015] <... clone3 resumed> => {parent_tid=[3016]}, 88) = 3016 [pid 3016] set_robust_list(0x7f85c0c359a0, 24 [pid 3015] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3015] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3015] <... futex resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... restart_syscall resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 3017 attached [pid 3016] <... set_robust_list resumed>) = 0 [pid 3015] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3017 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3017] set_robust_list(0x5555810c5760, 24 [pid 3016] rt_sigprocmask(SIG_SETMASK, [] [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3017] <... set_robust_list resumed>) = 0 [pid 3016] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 3018 attached [pid 3017] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3017] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3018 [pid 3017] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3017] setpgid(0, 0) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3019 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3016] mkdirat(AT_FDCWD, "./config", 0777 [pid 3017] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3016] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3017] write(3, "1000", 4) = 4 [pid 3017] close(3ci2-android-5-15/strace-static-x86_64: Process 3020 attached [pid 3018] set_robust_list(0x5555810c5760, 24 [pid 3017] <... close resumed>) = 0 [pid 3016] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3020 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3017] write(1, "executing program\n", 18) = 18 executing program [pid 3017] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3016] <... futex resumed>) = 1 [pid 3015] <... futex resumed>) = 0 [pid 3018] <... set_robust_list resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3020] set_robust_list(0x5555810c5760, 24 [pid 3017] <... futex resumed>) = 0 [pid 3015] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3017] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3015] <... futex resumed>) = 0 [pid 3017] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3015] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3017] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3017] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3017] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3017] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3016] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3017] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3017] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3016] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3017] <... clone3 resumed> => {parent_tid=[3021]}, 88) = 3021 [pid 3017] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 3019 attached , NULL, 8) = 0 [pid 3016] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3019] set_robust_list(0x5555810c5760, 24 [pid 3017] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3019] <... set_robust_list resumed>) = 0 [pid 3017] <... futex resumed>) = 0 [pid 3019] rt_sigprocmask(SIG_SETMASK, [] [pid 3017] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3016] <... futex resumed>) = 1 [pid 3015] <... futex resumed>) = 0 [pid 3020] <... set_robust_list resumed>) = 0 [pid 3018] rt_sigprocmask(SIG_SETMASK, [] [pid 3016] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3015] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3016] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ci2-android-5-15/strace-static-x86_64: Process 3021 attached [pid 3016] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3015] <... futex resumed>) = 0 [pid 3016] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3016] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3015] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3016] <... futex resumed>) = 0 [pid 3016] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3015] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3021] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3021] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3021] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3021] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3017] <... futex resumed>) = 0 [pid 3017] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3017] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3021] <... futex resumed>) = 1 [pid 3021] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3020] rt_sigprocmask(SIG_SETMASK, [] [pid 3019] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3018] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3015] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3021] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3017] <... futex resumed>) = 0 [pid 3017] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3017] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3016] <... futex resumed>) = 0 [pid 3015] <... futex resumed>) = 1 [pid 3016] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3021] <... futex resumed>) = 1 [pid 3016] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3015] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3016] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3015] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3016] <... futex resumed>) = 0 [pid 3015] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3016] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3015] <... futex resumed>) = 0 [pid 3021] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3021] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3016] <... mkdirat resumed>) = 0 [pid 3015] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3018] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3016] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3015] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3018] <... prctl resumed>) = 0 [pid 3016] <... futex resumed>) = 0 [pid 3015] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3018] setpgid(0, 0 [pid 3016] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3015] <... futex resumed>) = 0 [pid 3017] <... futex resumed>) = 0 [pid 3017] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3018] <... setpgid resumed>) = 0 [pid 3017] <... futex resumed>) = 0 [pid 3016] <... symlinkat resumed>) = 0 [pid 3015] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3017] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3016] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3015] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3018] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3016] <... futex resumed>) = 0 [pid 3015] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3016] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3015] <... futex resumed>) = 0 [pid 3021] <... futex resumed>) = 1 [pid 3016] <... unlinkat resumed>) = 0 [pid 3015] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3016] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3015] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3016] <... futex resumed>) = 0 [pid 3018] <... openat resumed>) = 3 [pid 3016] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3015] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3021] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3016] <... unlinkat resumed>) = 0 [pid 3015] <... futex resumed>) = 0 [pid 3018] write(3, "1000", 4 [pid 3016] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3015] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3018] <... write resumed>) = 4 [pid 3016] <... futex resumed>) = 0 [pid 3021] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3018] close(3 [pid 3016] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3015] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3021] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3020] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3018] <... close resumed>) = 0 [pid 3015] exit_group(0 [pid 3021] <... futex resumed>) = 1 [pid 3020] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3019] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3018] write(1, "executing program\n", 18 [pid 3017] <... futex resumed>) = 0 [pid 3016] <... futex resumed>) = ? [pid 3015] <... exit_group resumed>) = ? [pid 3021] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3020] <... prctl resumed>) = 0 [pid 3017] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3016] +++ exited with 0 +++ [pid 3021] <... mkdirat resumed>) = 0 [pid 3020] setpgid(0, 0 [pid 3017] <... futex resumed>) = 0 [pid 3021] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3020] <... setpgid resumed>) = 0 executing program [pid 3017] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3015] +++ exited with 0 +++ [pid 3021] <... futex resumed>) = 0 [pid 3020] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3018] <... write resumed>) = 18 [pid 3017] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3021] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3020] <... openat resumed>) = 3 [pid 3019] <... prctl resumed>) = 0 [pid 3018] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3017] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3021] <... symlinkat resumed>) = 0 [pid 3020] write(3, "1000", 4 [pid 3019] setpgid(0, 0 [pid 3018] <... futex resumed>) = 0 [pid 3017] <... futex resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3015, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3021] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3020] <... write resumed>) = 4 [pid 3019] <... setpgid resumed>) = 0 [pid 3018] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3017] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3021] <... futex resumed>) = 0 [pid 3020] close(3 [pid 3017] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3018] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3021] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3020] <... close resumed>) = 0 [pid 3019] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3017] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3021] <... unlinkat resumed>) = 0 [pid 3020] write(1, "executing program\n", 18 [pid 3017] <... futex resumed>) = 0 executing program [pid 3018] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3021] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3020] <... write resumed>) = 18 [pid 3019] <... openat resumed>) = 3 [pid 3018] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3017] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3021] <... futex resumed>) = 0 [pid 3020] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3019] write(3, "1000", 4 [pid 3018] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3017] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3021] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3020] <... futex resumed>) = 0 [pid 3019] <... write resumed>) = 4 [pid 3018] <... mmap resumed>) = 0x7f85c0c15000 [pid 3017] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3021] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3020] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3019] close(3 [pid 3018] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3017] <... futex resumed>) = 0 [pid 3021] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3020] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3019] <... close resumed>) = 0 [pid 3018] <... mprotect resumed>) = 0 [pid 3017] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3021] <... unlinkat resumed>) = 0 [pid 3020] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3018] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3021] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3020] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3019] write(1, "executing program\n", 18 [pid 3018] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3021] <... futex resumed>) = 1 executing program [pid 3020] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3018] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3017] <... futex resumed>) = 0 [pid 3021] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3020] <... mmap resumed>) = 0x7f85c0c15000 [pid 3019] <... write resumed>) = 18 [pid 3017] exit_group(0 [pid 3021] <... futex resumed>) = ? [pid 3020] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3019] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3017] <... exit_group resumed>) = ? [pid 3021] +++ exited with 0 +++ [pid 3020] <... mprotect resumed>) = 0 [pid 3019] <... futex resumed>) = 0 [pid 3018] <... clone3 resumed> => {parent_tid=[3022]}, 88) = 3022 [pid 3017] +++ exited with 0 +++ [pid 3020] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3019] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3018] rt_sigprocmask(SIG_SETMASK, [] [pid 3020] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3019] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3018] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3020] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3019] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3018] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3017, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 3023 attached [pid 3019] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3018] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3020] <... clone3 resumed> => {parent_tid=[3023]}, 88) = 3023 [pid 3019] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3018] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3020] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3019] <... mmap resumed>) = 0x7f85c0c15000 [pid 3020] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3019] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3020] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3019] <... mprotect resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3022 attached [pid 3019] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3022] set_robust_list(0x7f85c0c359a0, 24 [pid 3019] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3023] set_robust_list(0x7f85c0c359a0, 24 [pid 3022] <... set_robust_list resumed>) = 0 [pid 3019] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3022] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3019] <... clone3 resumed> => {parent_tid=[3024]}, 88) = 3024 [pid 3019] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3019] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3023] <... set_robust_list resumed>) = 0 [pid 3019] <... futex resumed>) = 0 [pid 3022] mkdirat(AT_FDCWD, "./config", 0777 [pid 3019] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3022] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3022] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3018] <... futex resumed>) = 0 [pid 3022] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3018] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3022] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3018] <... futex resumed>) = 0 [pid 3022] mount(NULL, "./config", "configfs", 0, NULL [pid 3018] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3023] rt_sigprocmask(SIG_SETMASK, [] [pid 3022] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3023] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3022] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3018] <... futex resumed>) = 0 [pid 3022] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3018] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3022] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3018] <... futex resumed>) = 0 [pid 3018] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3022] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3022] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3018] <... futex resumed>) = 0 [pid 3022] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3018] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3022] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3018] <... futex resumed>) = 0 [pid 3022] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3018] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3023] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] <... restart_syscall resumed>) = 0 [pid 3018] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] <... restart_syscall resumed>) = 0 [pid 3018] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3022] <... futex resumed>) = 0 [pid 3022] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3018] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3022] <... mkdirat resumed>) = 0 [pid 3022] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3022] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3018] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3025 ci2-android-5-15/strace-static-x86_64: Process 3024 attached [pid 3024] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3024] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3024] mkdirat(AT_FDCWD, "./config", 0777 [pid 3018] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3018] <... futex resumed>) = 1 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3026 [pid 3018] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3022] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3022] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3023] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3022] <... symlinkat resumed>) = 0 [pid 3023] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3022] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3020] <... futex resumed>) = 0 [pid 3023] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3020] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3023] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3022] <... futex resumed>) = 1 [pid 3020] <... futex resumed>) = 0 [pid 3018] <... futex resumed>) = 0 [pid 3022] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3020] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3018] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3023] mount(NULL, "./config", "configfs", 0, NULL [pid 3022] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3018] <... futex resumed>) = 0 [pid 3018] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3023] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3022] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3023] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3022] <... unlinkat resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3025 attached [pid 3023] <... futex resumed>) = 1 [pid 3022] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3020] <... futex resumed>) = 0 [pid 3022] <... futex resumed>) = 1 [pid 3020] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3018] <... futex resumed>) = 0 [pid 3023] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3022] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3020] <... futex resumed>) = 0 [pid 3018] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3022] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3023] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3020] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3018] <... futex resumed>) = 0 [pid 3023] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3022] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3018] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3023] <... futex resumed>) = 1 [pid 3022] <... unlinkat resumed>) = 0 [pid 3020] <... futex resumed>) = 0 [pid 3025] set_robust_list(0x5555810c5760, 24 [pid 3022] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3020] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3023] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3022] <... futex resumed>) = 1 [pid 3020] <... futex resumed>) = 0 [pid 3018] <... futex resumed>) = 0 [pid 3022] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3020] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3025] <... set_robust_list resumed>) = 0 [pid 3023] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3018] exit_group(0 [pid 3023] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3022] <... futex resumed>) = ? [pid 3018] <... exit_group resumed>) = ? [pid 3025] rt_sigprocmask(SIG_SETMASK, [] [pid 3023] <... futex resumed>) = 1 [pid 3022] +++ exited with 0 +++ [pid 3020] <... futex resumed>) = 0 [pid 3018] +++ exited with 0 +++ [pid 3025] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3023] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3020] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3023] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3020] <... futex resumed>) = 0 [pid 3025] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3023] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3020] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3018, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3024] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3024] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3023] <... mkdirat resumed>) = 0 [pid 3019] <... futex resumed>) = 0 [pid 3025] <... prctl resumed>) = 0 [pid 3023] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3019] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3025] setpgid(0, 0 [pid 3024] mount(NULL, "./config", "configfs", 0, NULL [pid 3023] <... futex resumed>) = 1 [pid 3020] <... futex resumed>) = 0 [pid 3019] <... futex resumed>) = 0 [pid 3025] <... setpgid resumed>) = 0 [pid 3024] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3023] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3020] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3019] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3024] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3023] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3020] <... futex resumed>) = 0 [pid 3019] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3024] <... futex resumed>) = 0 [pid 3023] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3020] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3019] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3025] <... openat resumed>) = 3 [pid 3024] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3019] <... futex resumed>) = 0 [pid 3023] <... symlinkat resumed>) = 0 [pid 3025] write(3, "1000", 4 [pid 3023] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3019] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3025] <... write resumed>) = 4 [pid 3024] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3023] <... futex resumed>) = 1 [pid 3020] <... futex resumed>) = 0 [pid 3025] close(3 [pid 3024] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3023] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3020] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3025] <... close resumed>) = 0 [pid 3024] <... futex resumed>) = 1 [pid 3023] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3020] <... futex resumed>) = 0 [pid 3019] <... futex resumed>) = 0 [pid 3025] write(1, "executing program\n", 18 [pid 3024] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3023] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 executing program [pid 3020] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3025] <... write resumed>) = 18 [pid 3024] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3023] <... unlinkat resumed>) = 0 [pid 3019] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3025] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3023] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3019] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3026 attached [pid 3025] <... futex resumed>) = 0 [pid 3024] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3023] <... futex resumed>) = 1 [pid 3020] <... futex resumed>) = 0 [pid 3019] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3026] set_robust_list(0x5555810c5760, 24 [pid 3025] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3024] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3023] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3020] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3026] <... set_robust_list resumed>) = 0 [pid 3025] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3024] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3023] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3020] <... futex resumed>) = 0 [pid 3026] rt_sigprocmask(SIG_SETMASK, [] [pid 3025] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3024] <... futex resumed>) = 1 [pid 3023] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3020] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3019] <... futex resumed>) = 0 [pid 3026] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3025] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3024] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3026] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3025] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3023] <... unlinkat resumed>) = 0 [pid 3019] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3025] <... mmap resumed>) = 0x7f85c0c15000 [pid 3026] <... prctl resumed>) = 0 [pid 3024] <... futex resumed>) = 0 [pid 3025] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3023] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3019] <... futex resumed>) = 1 [pid 3026] setpgid(0, 0 [pid 3025] <... mprotect resumed>) = 0 [pid 3024] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3023] <... futex resumed>) = 1 [pid 3020] <... futex resumed>) = 0 [pid 3019] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3026] <... setpgid resumed>) = 0 [pid 3025] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3024] <... mkdirat resumed>) = 0 [pid 3020] exit_group(0 [pid 3026] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3025] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3024] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3020] <... exit_group resumed>) = ? [pid 3026] <... openat resumed>) = 3 [pid 3025] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3024] <... futex resumed>) = 1 [pid 3023] +++ exited with 0 +++ [pid 3020] +++ exited with 0 +++ [pid 3019] <... futex resumed>) = 0 [pid 3026] write(3, "1000", 4 [pid 3024] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3019] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3020, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3026] <... write resumed>) = 4 [pid 3025] <... clone3 resumed> => {parent_tid=[3027]}, 88) = 3027 [pid 3024] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3019] <... futex resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3026] close(3 [pid 3025] rt_sigprocmask(SIG_SETMASK, [] [pid 3024] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3019] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... restart_syscall resumed>) = 0 [pid 3026] <... close resumed>) = 0 [pid 3025] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3024] <... symlinkat resumed>) = 0 [pid 3026] write(1, "executing program\n", 18 [pid 3025] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3024] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3026] <... write resumed>) = 18 [pid 3025] <... futex resumed>) = 0 [pid 3024] <... futex resumed>) = 1 executing program [pid 3019] <... futex resumed>) = 0 [pid 3026] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3025] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3024] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3019] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3026] <... futex resumed>) = 0 [pid 3024] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3019] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3026] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3024] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3019] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3026] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3024] <... unlinkat resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3026] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3024] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3026] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3024] <... futex resumed>) = 1 [pid 3026] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3024] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3026] <... mmap resumed>) = 0x7f85c0c15000 [pid 3019] <... futex resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 3026] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3019] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3028 [pid 3026] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3024] <... futex resumed>) = 0 [pid 3019] <... futex resumed>) = 1 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3026] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3024] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3019] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3028 attached ci2-android-5-15/strace-static-x86_64: Process 3027 attached [pid 3026] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3024] <... unlinkat resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3029 attached [pid 3028] set_robust_list(0x5555810c5760, 24 [pid 3024] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3026] <... clone3 resumed> => {parent_tid=[3029]}, 88) = 3029 [pid 3024] <... futex resumed>) = 1 [pid 3026] rt_sigprocmask(SIG_SETMASK, [] [pid 3024] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3026] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3026] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3026] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3027] set_robust_list(0x7f85c0c359a0, 24 [pid 3019] <... futex resumed>) = 0 [pid 3027] <... set_robust_list resumed>) = 0 [pid 3027] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3027] mkdirat(AT_FDCWD, "./config", 0777 [pid 3019] exit_group(0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3030 [pid 3024] <... futex resumed>) = ? [pid 3019] <... exit_group resumed>) = ? [pid 3024] +++ exited with 0 +++ [pid 3027] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3027] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3027] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 3030 attached [pid 3030] set_robust_list(0x5555810c5760, 24) = 0 [pid 3019] +++ exited with 0 +++ [pid 3025] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3019, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3025] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3025] <... futex resumed>) = 1 [pid 3025] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3027] <... futex resumed>) = 0 [pid 3027] mount(NULL, "./config", "configfs", 0, NULL [pid 3028] <... set_robust_list resumed>) = 0 [pid 3027] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3029] set_robust_list(0x7f85c0c359a0, 24 [pid 3027] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3025] <... futex resumed>) = 0 [pid 3027] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3025] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3029] <... set_robust_list resumed>) = 0 [pid 3028] rt_sigprocmask(SIG_SETMASK, [] [pid 3027] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3025] <... futex resumed>) = 0 [pid 3030] rt_sigprocmask(SIG_SETMASK, [] [pid 3025] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3028] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3030] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3030] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3028] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3030] <... prctl resumed>) = 0 [pid 3030] setpgid(0, 0) = 0 [pid 3030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3029] rt_sigprocmask(SIG_SETMASK, [] [pid 3028] <... prctl resumed>) = 0 [pid 3027] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3030] <... openat resumed>) = 3 [pid 3028] setpgid(0, 0 [pid 3027] <... futex resumed>) = 1 [pid 3025] <... futex resumed>) = 0 [pid 3030] write(3, "1000", 4 [pid 3028] <... setpgid resumed>) = 0 [pid 3027] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3025] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3030] <... write resumed>) = 4 [pid 3025] <... futex resumed>) = 0 [pid 3030] close(3 [pid 3025] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3028] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3027] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3030] <... close resumed>) = 0 executing program [pid 3030] write(1, "executing program\n", 18) = 18 [pid 3030] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3030] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3029] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3028] <... openat resumed>) = 3 [pid 3027] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3030] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3030] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3030] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3030] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3030] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3028] write(3, "1000", 4 [pid 3025] <... futex resumed>) = 0 [pid 3027] <... futex resumed>) = 1 [pid 3025] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3028] <... write resumed>) = 4 [pid 3027] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3025] <... futex resumed>) = 0 [pid 3028] close(3 [pid 3025] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3030] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3028] <... close resumed>) = 0 [pid 3028] write(1, "executing program\n", 18 [pid 3027] <... mkdirat resumed>) = 0 [pid 3030] <... clone3 resumed> => {parent_tid=[3031]}, 88) = 3031 [pid 3028] <... write resumed>) = 18 [pid 3029] mkdirat(AT_FDCWD, "./config", 0777 [pid 3027] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3028] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3030] rt_sigprocmask(SIG_SETMASK, [] [pid 3028] <... futex resumed>) = 0 [pid 3029] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3028] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3027] <... futex resumed>) = 1 executing program [pid 3025] <... futex resumed>) = 0 [pid 3029] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3028] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3025] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3027] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3030] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3029] <... futex resumed>) = 1 [pid 3028] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3026] <... futex resumed>) = 0 [pid 3025] <... futex resumed>) = 0 [pid 3030] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3028] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3026] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3025] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... restart_syscall resumed>) = 0 [pid 3030] <... futex resumed>) = 0 [pid 3029] mount(NULL, "./config", "configfs", 0, NULL [pid 3028] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3027] <... symlinkat resumed>) = 0 [pid 3026] <... futex resumed>) = 0 [pid 3030] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3029] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3028] <... mmap resumed>) = 0x7f85c0c15000 [pid 3027] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3026] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3029] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3028] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3027] <... futex resumed>) = 1 [pid 3026] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3025] <... futex resumed>) = 0 [pid 3029] <... futex resumed>) = 0 [pid 3028] <... mprotect resumed>) = 0 [pid 3027] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3026] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3025] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3029] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3028] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3027] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3026] <... futex resumed>) = 0 [pid 3025] <... futex resumed>) = 0 [pid 3029] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3028] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3027] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3026] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3025] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3029] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3028] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3027] <... unlinkat resumed>) = 0 [pid 3026] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3027] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3026] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3026] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3031 attached [pid 3031] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3033 [pid 3028] <... clone3 resumed> => {parent_tid=[3032]}, 88) = 3032 [pid 3027] <... futex resumed>) = 1 [pid 3025] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3028] rt_sigprocmask(SIG_SETMASK, [] [pid 3029] <... futex resumed>) = 1 [pid 3027] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3026] <... futex resumed>) = 0 [pid 3025] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3029] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3028] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3027] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3026] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=49000000} [pid 3025] <... futex resumed>) = 0 [pid 3029] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3028] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3027] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3025] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3031] rt_sigprocmask(SIG_SETMASK, [] [pid 3029] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3028] <... futex resumed>) = 0 [pid 3027] <... unlinkat resumed>) = 0 [pid 3028] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3029] <... futex resumed>) = 1 [pid 3027] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3026] <... futex resumed>) = 0 [pid 3029] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3027] <... futex resumed>) = 1 [pid 3026] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3025] <... futex resumed>) = 0 [pid 3029] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3027] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3026] <... futex resumed>) = 0 [pid 3025] exit_group(0 [pid 3029] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3026] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3027] <... futex resumed>) = ? [pid 3025] <... exit_group resumed>) = ? [pid 3031] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3031] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3031] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3030] <... futex resumed>) = 0 [pid 3030] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3030] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3031] <... futex resumed>) = 1 [pid 3031] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3027] +++ exited with 0 +++ [pid 3025] +++ exited with 0 +++ [pid 3031] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3025, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3030] <... futex resumed>) = 0 [pid 3029] <... mkdirat resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3030] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3029] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3030] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3031] <... futex resumed>) = 1 [pid 3029] <... futex resumed>) = 1 [pid 3026] <... futex resumed>) = 0 [pid 3029] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3026] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3029] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3026] <... futex resumed>) = 0 [pid 3029] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3026] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3031] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3029] <... symlinkat resumed>) = 0 [pid 3031] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3029] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3031] <... futex resumed>) = 1 [pid 3030] <... futex resumed>) = 0 [pid 3029] <... futex resumed>) = 1 [pid 3026] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3033 attached ci2-android-5-15/strace-static-x86_64: Process 3032 attached [pid 3031] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3030] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3029] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3026] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3031] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3030] <... futex resumed>) = 0 [pid 3029] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3026] <... futex resumed>) = 0 [pid 3031] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3030] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3029] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3026] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3032] set_robust_list(0x7f85c0c359a0, 24 [pid 3031] <... futex resumed>) = 0 [pid 3030] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3032] <... set_robust_list resumed>) = 0 [pid 3031] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3030] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3029] <... unlinkat resumed>) = 0 [pid 3032] rt_sigprocmask(SIG_SETMASK, [] [pid 3031] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3030] <... futex resumed>) = 0 [pid 3029] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3031] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3030] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3029] <... futex resumed>) = 1 [pid 3026] <... futex resumed>) = 0 [pid 3032] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3033] set_robust_list(0x5555810c5760, 24 [pid 3031] <... futex resumed>) = 0 [pid 3030] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3029] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3026] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3033] <... set_robust_list resumed>) = 0 [pid 3031] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3030] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3029] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3026] <... futex resumed>) = 0 [pid 3033] rt_sigprocmask(SIG_SETMASK, [] [pid 3032] mkdirat(AT_FDCWD, "./config", 0777 [pid 3031] <... symlinkat resumed>) = 0 [pid 3030] <... futex resumed>) = 0 [pid 3029] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3026] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3033] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3031] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3030] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3029] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3033] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3032] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3031] <... futex resumed>) = 0 [pid 3030] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3033] <... prctl resumed>) = 0 [pid 3031] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3030] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3029] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... restart_syscall resumed>) = 0 [pid 3033] setpgid(0, 0 [pid 3032] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3031] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3030] <... futex resumed>) = 0 [pid 3029] <... futex resumed>) = 1 [pid 3026] <... futex resumed>) = 0 [pid 3033] <... setpgid resumed>) = 0 [pid 3032] <... futex resumed>) = 1 [pid 3031] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3030] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3029] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3028] <... futex resumed>) = 0 [pid 3026] exit_group(0 [pid 3033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3032] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3031] <... unlinkat resumed>) = 0 [pid 3028] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3026] <... exit_group resumed>) = ? [pid 3029] <... futex resumed>) = ? [pid 3033] <... openat resumed>) = 3 [pid 3032] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3031] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3028] <... futex resumed>) = 0 [pid 3033] write(3, "1000", 4 [pid 3031] <... futex resumed>) = 1 [pid 3030] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3033] <... write resumed>) = 4 [pid 3031] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3030] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3033] close(3 [pid 3031] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3030] <... futex resumed>) = 0 [pid 3033] <... close resumed>) = 0 [pid 3031] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3030] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3033] write(1, "executing program\n", 18 [pid 3032] mount(NULL, "./config", "configfs", 0, NULL [pid 3031] <... unlinkat resumed>) = 0 [pid 3029] +++ exited with 0 +++ [pid 3028] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3026] +++ exited with 0 +++ [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3033] <... write resumed>) = 18 [pid 3032] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3031] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3033] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3032] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3031] <... futex resumed>) = 1 [pid 3030] <... futex resumed>) = 0 [pid 3033] <... futex resumed>) = 0 [pid 3031] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3030] exit_group(0 [pid 3033] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3031] <... futex resumed>) = ? [pid 3030] <... exit_group resumed>) = ? [pid 3033] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3032] <... futex resumed>) = 1 [pid 3031] +++ exited with 0 +++ [pid 3030] +++ exited with 0 +++ [pid 3028] <... futex resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3026, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 3033] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3032] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3028] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3034 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3030, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3033] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3032] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3028] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3033] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3028] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3033] <... mmap resumed>) = 0x7f85c0c15000 [pid 3032] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3034 attached [pid 3033] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3032] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3033] <... mprotect resumed>) = 0 [pid 3032] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3033] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3032] <... futex resumed>) = 1 [pid 3028] <... futex resumed>) = 0 [pid 3033] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3032] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3028] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 3032] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3034] set_robust_list(0x5555810c5760, 24 [pid 3033] <... clone3 resumed> => {parent_tid=[3035]}, 88) = 3035 [pid 3032] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3028] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3033] rt_sigprocmask(SIG_SETMASK, [] [pid 3032] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3033] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3032] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3033] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3032] <... futex resumed>) = 1 [pid 3028] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3033] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3032] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3028] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3032] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3028] <... futex resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3032] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3028] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3034] <... set_robust_list resumed>) = 0 [pid 3034] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3034] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3034] setpgid(0, 0 [pid 3032] <... mkdirat resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3036 [pid 3032] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3034] <... setpgid resumed>) = 0 [pid 3032] <... futex resumed>) = 1 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3032] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3028] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3028] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3032] <... futex resumed>) = 0 [pid 3028] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3032] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3032] <... symlinkat resumed>) = 0 [pid 3034] <... openat resumed>) = 3 [pid 3032] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3034] write(3, "1000", 4 [pid 3032] <... futex resumed>) = 1 [pid 3028] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3035 attached [pid 3034] <... write resumed>) = 4 [pid 3034] close(3) = 0 [pid 3032] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3028] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3034] write(1, "executing program\n", 18 [pid 3032] <... unlinkat resumed>) = 0 [pid 3028] <... futex resumed>) = 0 [pid 3032] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3028] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3032] <... futex resumed>) = 0 [pid 3028] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3032] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3028] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3032] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3028] <... futex resumed>) = 0 [pid 3032] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3028] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3034] <... write resumed>) = 18 [pid 3034] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3032] <... unlinkat resumed>) = 0 [pid 3034] <... futex resumed>) = 0 [pid 3032] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3034] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3032] <... futex resumed>) = 1 [pid 3028] <... futex resumed>) = 0 [pid 3032] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3028] exit_group(0 [pid 3034] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3032] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) executing program [pid 3028] <... exit_group resumed>) = ? [pid 3034] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3032] +++ exited with 0 +++ [pid 3034] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3034] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3034] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3034] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3028] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 3036 attached [pid 3034] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3036] set_robust_list(0x5555810c5760, 24 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3028, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3036] <... set_robust_list resumed>) = 0 [pid 3034] <... clone3 resumed> => {parent_tid=[3037]}, 88) = 3037 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3036] rt_sigprocmask(SIG_SETMASK, [] [pid 3034] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 3037 attached [pid 3035] set_robust_list(0x7f85c0c359a0, 24 [pid 3036] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3034] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3037] set_robust_list(0x7f85c0c359a0, 24 [pid 3036] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3035] <... set_robust_list resumed>) = 0 [pid 3034] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3036] <... prctl resumed>) = 0 [pid 3034] <... futex resumed>) = 0 [pid 3036] setpgid(0, 0 [pid 3034] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3036] <... setpgid resumed>) = 0 [pid 3037] <... set_robust_list resumed>) = 0 [pid 3036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3035] rt_sigprocmask(SIG_SETMASK, [] [pid 3037] rt_sigprocmask(SIG_SETMASK, [] [pid 3036] <... openat resumed>) = 3 [pid 3035] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3036] write(3, "1000", 4) = 4 [pid 3036] close(3 [pid 3037] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3036] <... close resumed>) = 0 [pid 3035] mkdirat(AT_FDCWD, "./config", 0777 [pid 311] <... restart_syscall resumed>) = 0 [pid 3036] write(1, "executing program\n", 18 [pid 3035] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3036] <... write resumed>) = 18 executing program [pid 3035] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3036] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3035] <... futex resumed>) = 1 [pid 3033] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3037] mkdirat(AT_FDCWD, "./config", 0777 [pid 3036] <... futex resumed>) = 0 [pid 3035] mount(NULL, "./config", "configfs", 0, NULL [pid 3033] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3037] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3036] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3033] <... futex resumed>) = 0 [pid 3036] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3033] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3036] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3036] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3035] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3038 [pid 3036] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3035] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3036] <... mprotect resumed>) = 0 [pid 3035] <... futex resumed>) = 1 [pid 3033] <... futex resumed>) = 0 [pid 3036] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3033] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3037] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3036] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3035] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3033] <... futex resumed>) = 0 [pid 3036] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3033] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3039 attached ci2-android-5-15/strace-static-x86_64: Process 3038 attached [pid 3037] <... futex resumed>) = 1 [pid 3035] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3034] <... futex resumed>) = 0 [pid 3036] <... clone3 resumed> => {parent_tid=[3039]}, 88) = 3039 [pid 3034] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3036] rt_sigprocmask(SIG_SETMASK, [] [pid 3034] <... futex resumed>) = 0 [pid 3036] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3034] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3036] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3036] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3039] set_robust_list(0x7f85c0c359a0, 24 [pid 3038] set_robust_list(0x5555810c5760, 24 [pid 3037] mount(NULL, "./config", "configfs", 0, NULL [pid 3035] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... restart_syscall resumed>) = 0 [pid 3039] <... set_robust_list resumed>) = 0 [pid 3039] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3039] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3039] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3037] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3035] <... futex resumed>) = 1 [pid 3033] <... futex resumed>) = 0 [pid 3039] <... futex resumed>) = 1 [pid 3036] <... futex resumed>) = 0 [pid 3033] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3039] mount(NULL, "./config", "configfs", 0, NULL [pid 3036] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3033] <... futex resumed>) = 0 [pid 3039] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3036] <... futex resumed>) = 0 [pid 3033] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3039] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3037] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3036] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3035] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3039] <... futex resumed>) = 0 [pid 3036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3039] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3036] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3039] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3036] <... futex resumed>) = 0 [pid 3039] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3036] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3039] <... futex resumed>) = 0 [pid 3036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3039] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3036] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3039] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3038] <... set_robust_list resumed>) = 0 [pid 3037] <... futex resumed>) = 1 [pid 3036] <... futex resumed>) = 0 [pid 3035] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3034] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3039] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3038] rt_sigprocmask(SIG_SETMASK, [] [pid 3037] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3036] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3035] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3034] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3039] <... futex resumed>) = 0 [pid 3038] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3037] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3035] <... futex resumed>) = 1 [pid 3034] <... futex resumed>) = 0 [pid 3033] <... futex resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3039] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3038] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3037] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3036] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3035] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3034] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3033] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3039] <... mkdirat resumed>) = 0 [pid 3038] <... prctl resumed>) = 0 [pid 3037] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3036] <... futex resumed>) = 0 [pid 3035] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3033] <... futex resumed>) = 0 [pid 3039] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3038] setpgid(0, 0 [pid 3037] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3036] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3035] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3033] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3040 ci2-android-5-15/strace-static-x86_64: Process 3040 attached [pid 3039] <... futex resumed>) = 0 [pid 3038] <... setpgid resumed>) = 0 [pid 3037] <... futex resumed>) = 1 [pid 3036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3035] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3034] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3039] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3038] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3037] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3036] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3035] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3034] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3039] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3038] <... openat resumed>) = 3 [pid 3037] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3036] <... futex resumed>) = 0 [pid 3035] <... futex resumed>) = 1 [pid 3034] <... futex resumed>) = 0 [pid 3033] <... futex resumed>) = 0 [pid 3039] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3038] write(3, "1000", 4 [pid 3037] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3036] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3035] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3034] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3033] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3039] <... symlinkat resumed>) = 0 [pid 3038] <... write resumed>) = 4 [pid 3037] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3035] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3033] <... futex resumed>) = 0 [pid 3039] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3038] close(3 [pid 3037] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3035] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3033] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3039] <... futex resumed>) = 1 [pid 3038] <... close resumed>) = 0 [pid 3037] <... futex resumed>) = 1 [pid 3036] <... futex resumed>) = 0 [pid 3035] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3034] <... futex resumed>) = 0 [pid 3039] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3038] write(1, "executing program\n", 18 [pid 3037] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3036] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 3035] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3034] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3039] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3038] <... write resumed>) = 18 [pid 3037] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3036] <... futex resumed>) = 0 [pid 3035] <... futex resumed>) = 1 [pid 3034] <... futex resumed>) = 0 [pid 3033] <... futex resumed>) = 0 [pid 3039] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3038] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3037] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3036] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3035] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3034] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3033] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3040] set_robust_list(0x5555810c5760, 24 [pid 3039] <... unlinkat resumed>) = 0 [pid 3038] <... futex resumed>) = 0 [pid 3037] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3035] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3033] <... futex resumed>) = 0 [pid 3040] <... set_robust_list resumed>) = 0 [pid 3039] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3038] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3037] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3035] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3033] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3040] rt_sigprocmask(SIG_SETMASK, [] [pid 3039] <... futex resumed>) = 1 [pid 3038] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3037] <... futex resumed>) = 1 [pid 3036] <... futex resumed>) = 0 [pid 3035] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3034] <... futex resumed>) = 0 [pid 3040] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3039] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3038] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3037] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3036] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3035] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3034] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3040] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3039] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3038] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3037] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3036] <... futex resumed>) = 0 [pid 3035] <... futex resumed>) = 1 [pid 3034] <... futex resumed>) = 0 [pid 3033] <... futex resumed>) = 0 [pid 3040] <... prctl resumed>) = 0 [pid 3039] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3038] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3037] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3036] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3035] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3034] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3033] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3040] setpgid(0, 0 [pid 3039] <... unlinkat resumed>) = 0 [pid 3033] <... futex resumed>) = 0 [pid 3040] <... setpgid resumed>) = 0 [pid 3039] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3033] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3040] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3039] <... futex resumed>) = 1 [pid 3038] <... mmap resumed>) = 0x7f85c0c15000 [pid 3037] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3036] <... futex resumed>) = 0 [pid 3035] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3040] <... openat resumed>) = 3 [pid 3039] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3038] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3037] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3036] exit_group(0 [pid 3035] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3040] write(3, "1000", 4 [pid 3039] <... futex resumed>) = ? [pid 3038] <... mprotect resumed>) = 0 [pid 3037] <... futex resumed>) = 1 [pid 3036] <... exit_group resumed>) = ? [pid 3034] <... futex resumed>) = 0 [pid 3040] <... write resumed>) = 4 [pid 3039] +++ exited with 0 +++ [pid 3038] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3037] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3036] +++ exited with 0 +++ [pid 3035] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3034] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3040] close(3 [pid 3038] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3037] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3035] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3034] <... futex resumed>) = 0 [pid 3040] <... close resumed>) = 0 [pid 3038] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3037] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3035] <... futex resumed>) = 1 [pid 3034] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3033] <... futex resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3036, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3040] write(1, "executing program\n", 18 [pid 3033] exit_group(0 [pid 3040] <... write resumed>) = 18 executing program [pid 3038] <... clone3 resumed> => {parent_tid=[3041]}, 88) = 3041 [pid 3037] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3033] <... exit_group resumed>) = ? [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3040] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3038] rt_sigprocmask(SIG_SETMASK, [] [pid 3037] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3035] +++ exited with 0 +++ [pid 3033] +++ exited with 0 +++ [pid 306] <... restart_syscall resumed>) = 0 [pid 3040] <... futex resumed>) = 0 [pid 3038] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3037] <... futex resumed>) = 1 [pid 3034] <... futex resumed>) = 0 [pid 3040] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3038] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3037] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3034] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3040] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3038] <... futex resumed>) = 0 [pid 3037] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3034] <... futex resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3033, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3040] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3038] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3037] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3034] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3040] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3037] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3040] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3037] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3040] <... mmap resumed>) = 0x7f85c0c15000 [pid 3037] <... futex resumed>) = 1 [pid 3040] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3034] <... futex resumed>) = 0 [pid 3040] <... mprotect resumed>) = 0 [pid 3040] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3040] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3037] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3034] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 3041 attached [pid 3040] <... clone3 resumed> => {parent_tid=[3043]}, 88) = 3043 [pid 3037] <... futex resumed>) = ? [pid 3034] <... exit_group resumed>) = ? [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3042 [pid 3041] set_robust_list(0x7f85c0c359a0, 24 [pid 3040] rt_sigprocmask(SIG_SETMASK, [] [pid 3037] +++ exited with 0 +++ [pid 3041] <... set_robust_list resumed>) = 0 [pid 3040] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3041] rt_sigprocmask(SIG_SETMASK, [] [pid 3040] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3041] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3040] <... futex resumed>) = 0 [pid 3041] mkdirat(AT_FDCWD, "./config", 0777 [pid 3040] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3041] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3034] +++ exited with 0 +++ [pid 3041] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3034, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3041] <... futex resumed>) = 1 [pid 3038] <... futex resumed>) = 0 [pid 3041] mount(NULL, "./config", "configfs", 0, NULL [pid 3038] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3042 attached [pid 3041] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3038] <... futex resumed>) = 0 [pid 3038] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3041] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3038] <... futex resumed>) = 0 [pid 3041] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3038] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3041] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3038] <... futex resumed>) = 0 [pid 3041] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3038] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3041] <... futex resumed>) = 0 [pid 3038] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3041] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3038] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3041] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3038] <... futex resumed>) = 0 [pid 3041] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3038] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3041] <... futex resumed>) = 0 [pid 3038] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3041] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3038] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3042] set_robust_list(0x5555810c5760, 24 [pid 3041] <... mkdirat resumed>) = 0 [pid 3038] <... futex resumed>) = 0 [pid 3041] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3038] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3041] <... futex resumed>) = 0 [pid 3038] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3041] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3038] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3042] <... set_robust_list resumed>) = 0 [pid 3041] <... symlinkat resumed>) = 0 [pid 3038] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3042] rt_sigprocmask(SIG_SETMASK, [] [pid 3041] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3038] <... futex resumed>) = 0 [pid 3042] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3038] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3041] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3038] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3042] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3041] <... unlinkat resumed>) = 0 [pid 3042] setpgid(0, 0 [pid 3041] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3042] <... setpgid resumed>) = 0 [pid 3041] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3038] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3043 attached [pid 3038] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3043] set_robust_list(0x7f85c0c359a0, 24 [pid 3041] <... futex resumed>) = 0 [pid 3038] <... futex resumed>) = 1 [pid 3043] <... set_robust_list resumed>) = 0 [pid 3042] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3041] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3038] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3043] rt_sigprocmask(SIG_SETMASK, [] [pid 3042] <... openat resumed>) = 3 [pid 3041] <... unlinkat resumed>) = 0 [pid 3043] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3041] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3043] mkdirat(AT_FDCWD, "./config", 0777 [pid 3042] write(3, "1000", 4 [pid 3041] <... futex resumed>) = 1 [pid 3038] <... futex resumed>) = 0 [pid 3043] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3041] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3043] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3042] <... write resumed>) = 4 [pid 3038] exit_group(0 [pid 3043] <... futex resumed>) = 1 [pid 3042] close(3 [pid 3041] <... futex resumed>) = ? [pid 3040] <... futex resumed>) = 0 [pid 3038] <... exit_group resumed>) = ? [pid 3043] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3041] +++ exited with 0 +++ [pid 3040] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3043] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3040] <... futex resumed>) = 0 [pid 3043] mount(NULL, "./config", "configfs", 0, NULL [pid 3040] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3043] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3038] +++ exited with 0 +++ [pid 3043] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3040] <... futex resumed>) = 0 [pid 3043] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3042] <... close resumed>) = 0 [pid 3040] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3038, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3043] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3040] <... futex resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3043] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3042] write(1, "executing program\n", 18 [pid 3040] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3043] <... futex resumed>) = 0 [pid 3040] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3043] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3040] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3043] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3040] <... futex resumed>) = 0 [pid 3043] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3040] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3043] <... futex resumed>) = 0 [pid 3040] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3043] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 executing program [pid 3040] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3043] <... mkdirat resumed>) = 0 [pid 3042] <... write resumed>) = 18 [pid 3040] <... futex resumed>) = 0 [pid 3043] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3042] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3040] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... restart_syscall resumed>) = 0 [pid 3043] <... futex resumed>) = 0 [pid 3042] <... futex resumed>) = 0 [pid 3040] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] <... restart_syscall resumed>) = 0 [pid 3043] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3042] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3040] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3043] <... symlinkat resumed>) = 0 [pid 3042] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3040] <... futex resumed>) = 0 [pid 3043] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3042] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3040] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3043] <... futex resumed>) = 0 [pid 3042] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3040] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3043] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3042] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3040] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3043] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3042] <... mmap resumed>) = 0x7f85c0c15000 [pid 3040] <... futex resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3043] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3042] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3040] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3043] <... unlinkat resumed>) = 0 [pid 3043] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3040] <... futex resumed>) = 0 [pid 3043] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3040] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3042] <... mprotect resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3043] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3040] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3044 [pid 3043] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3040] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3043] <... unlinkat resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3043] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3042] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3043] <... futex resumed>) = 1 [pid 3042] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3040] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3045 [pid 3043] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3042] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3040] exit_group(0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3043] <... futex resumed>) = ? [pid 3040] <... exit_group resumed>) = ? [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3046 attached ci2-android-5-15/strace-static-x86_64: Process 3044 attached [pid 3043] +++ exited with 0 +++ [pid 3040] +++ exited with 0 +++ [pid 3042] <... clone3 resumed> => {parent_tid=[3046]}, 88) = 3046 [pid 3042] rt_sigprocmask(SIG_SETMASK, [] [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3040, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3042] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3042] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3045 attached ) = 0 [pid 3045] set_robust_list(0x5555810c5760, 24 [pid 3042] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3045] <... set_robust_list resumed>) = 0 [pid 3045] rt_sigprocmask(SIG_SETMASK, [] [pid 3046] set_robust_list(0x7f85c0c359a0, 24 [pid 3044] set_robust_list(0x5555810c5760, 24 [pid 3045] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3045] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3046] <... set_robust_list resumed>) = 0 [pid 3044] <... set_robust_list resumed>) = 0 [pid 3045] <... prctl resumed>) = 0 [pid 3045] setpgid(0, 0) = 0 [pid 3045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3044] rt_sigprocmask(SIG_SETMASK, [] [pid 3045] write(3, "1000", 4) = 4 [pid 3045] close(3 [pid 311] <... restart_syscall resumed>) = 0 [pid 3045] <... close resumed>) = 0 [pid 3045] write(1, "executing program\n", 18) = 18 executing program [pid 3045] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3045] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3045] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3045] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3045] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3045] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3045] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3045] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3044] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3045] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3047 [pid 3045] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3044] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3044] <... prctl resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3045] <... clone3 resumed> => {parent_tid=[3048]}, 88) = 3048 [pid 3044] setpgid(0, 0 [pid 3045] rt_sigprocmask(SIG_SETMASK, [] [pid 3044] <... setpgid resumed>) = 0 [pid 3045] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3045] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3045] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3047 attached [pid 3044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3047] set_robust_list(0x5555810c5760, 24) = 0 [pid 3044] <... openat resumed>) = 3 [pid 3046] rt_sigprocmask(SIG_SETMASK, [] [pid 3047] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3047] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3044] write(3, "1000", 4 [pid 3046] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3047] <... prctl resumed>) = 0 [pid 3047] setpgid(0, 0) = 0 [pid 3047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3046] mkdirat(AT_FDCWD, "./config", 0777 [pid 3044] <... write resumed>) = 4 [pid 3047] <... openat resumed>) = 3 [pid 3044] close(3 [pid 3046] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3047] write(3, "1000", 4) = 4 [pid 3047] close(3) = 0 [pid 3047] write(1, "executing program\n", 18) = 18 executing program [pid 3047] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3047] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3046] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3044] <... close resumed>) = 0 [pid 3047] <... rt_sigaction resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3048 attached [pid 3048] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3048] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3048] mkdirat(AT_FDCWD, "./config", 0777 [pid 3044] write(1, "executing program\n", 18 [pid 3048] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3047] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3046] <... futex resumed>) = 1 [pid 3044] <... write resumed>) = 18 [pid 3042] <... futex resumed>) = 0 executing program [pid 3048] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3047] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3046] mount(NULL, "./config", "configfs", 0, NULL [pid 3044] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3042] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3044] <... futex resumed>) = 0 [pid 3042] <... futex resumed>) = 0 [pid 3048] <... futex resumed>) = 1 [pid 3047] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3046] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3045] <... futex resumed>) = 0 [pid 3044] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3042] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3048] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3047] <... mmap resumed>) = 0x7f85c0c15000 [pid 3046] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3045] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3044] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3042] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3048] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3047] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3046] <... futex resumed>) = 0 [pid 3045] <... futex resumed>) = 0 [pid 3044] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3042] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3048] mount(NULL, "./config", "configfs", 0, NULL [pid 3047] <... mprotect resumed>) = 0 [pid 3046] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3045] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3044] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3042] <... futex resumed>) = 0 [pid 3048] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3046] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3044] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3042] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3048] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3047] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3046] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3044] <... mmap resumed>) = 0x7f85c0c15000 [pid 3042] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3048] <... futex resumed>) = 1 [pid 3047] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3046] <... futex resumed>) = 0 [pid 3045] <... futex resumed>) = 0 [pid 3044] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3042] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3048] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3047] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3046] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3045] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3044] <... mprotect resumed>) = 0 [pid 3042] <... futex resumed>) = 0 [pid 3048] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3046] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3045] <... futex resumed>) = 0 [pid 3042] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3046] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3045] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3044] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3042] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3046] <... futex resumed>) = 0 [pid 3044] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3042] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3049 attached [pid 3048] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3046] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3044] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3042] <... futex resumed>) = 0 [pid 3049] set_robust_list(0x7f85c0c359a0, 24 [pid 3048] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3047] <... clone3 resumed> => {parent_tid=[3049]}, 88) = 3049 [pid 3049] <... set_robust_list resumed>) = 0 [pid 3048] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3047] rt_sigprocmask(SIG_SETMASK, [] [pid 3046] <... mkdirat resumed>) = 0 [pid 3042] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3048] <... futex resumed>) = 1 [pid 3047] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3046] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3045] <... futex resumed>) = 0 [pid 3044] <... clone3 resumed> => {parent_tid=[3050]}, 88) = 3050 [pid 3042] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3048] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3047] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3046] <... futex resumed>) = 0 [pid 3045] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3044] rt_sigprocmask(SIG_SETMASK, [] [pid 3042] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3048] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3047] <... futex resumed>) = 0 [pid 3046] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3045] <... futex resumed>) = 0 [pid 3044] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3049] rt_sigprocmask(SIG_SETMASK, [] [pid 3042] <... futex resumed>) = 0 [pid 3048] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3047] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3046] <... symlinkat resumed>) = 0 [pid 3048] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3045] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3046] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3044] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3049] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3042] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3048] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3046] <... futex resumed>) = 0 [pid 3045] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3044] <... futex resumed>) = 0 [pid 3042] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3049] mkdirat(AT_FDCWD, "./config", 0777 [pid 3048] <... futex resumed>) = 0 [pid 3046] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3045] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3044] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3042] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3049] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3048] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3046] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3045] <... futex resumed>) = 0 [pid 3042] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3049] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3048] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3046] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3045] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3042] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3049] <... futex resumed>) = 1 [pid 3048] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3047] <... futex resumed>) = 0 [pid 3046] <... unlinkat resumed>) = 0 [pid 3045] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3049] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3048] <... futex resumed>) = 0 [pid 3047] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3046] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3045] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3050 attached [pid 3050] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3050] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3050] mkdirat(AT_FDCWD, "./config", 0777 [pid 3048] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3047] <... futex resumed>) = 0 [pid 3046] <... futex resumed>) = 1 [pid 3049] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3045] <... futex resumed>) = 0 [pid 3042] <... futex resumed>) = 0 [pid 3050] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3048] <... symlinkat resumed>) = 0 [pid 3046] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3047] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3045] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3042] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3051 [pid 3049] mount(NULL, "./config", "configfs", 0, NULL [pid 3048] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3046] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3045] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3042] <... futex resumed>) = 0 [pid 3048] <... futex resumed>) = 0 [pid 3046] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3045] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3042] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3049] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3048] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3046] <... futex resumed>) = 0 [pid 3045] <... futex resumed>) = 0 [pid 3042] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3049] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3048] <... unlinkat resumed>) = 0 [pid 3046] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3045] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3048] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3042] exit_group(0 [pid 3045] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3047] <... futex resumed>) = 0 [pid 3049] <... futex resumed>) = 1 [pid 3048] <... futex resumed>) = 0 [pid 3047] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3046] <... futex resumed>) = ? [pid 3045] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3042] <... exit_group resumed>) = ? [pid 3048] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3046] +++ exited with 0 +++ [pid 3047] <... futex resumed>) = 0 [pid 3045] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3051 attached [pid 3050] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3051] set_robust_list(0x5555810c5760, 24 [pid 3050] <... futex resumed>) = 1 [pid 3044] <... futex resumed>) = 0 [pid 3051] <... set_robust_list resumed>) = 0 [pid 3050] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3044] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3051] rt_sigprocmask(SIG_SETMASK, [] [pid 3050] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3047] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3045] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3044] <... futex resumed>) = 0 [pid 3042] +++ exited with 0 +++ [pid 3051] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3050] mount(NULL, "./config", "configfs", 0, NULL [pid 3049] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3048] <... unlinkat resumed>) = 0 [pid 3044] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3051] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3050] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3049] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3048] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3042, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3051] <... prctl resumed>) = 0 [pid 3050] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3049] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3048] <... futex resumed>) = 1 [pid 3045] <... futex resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3051] setpgid(0, 0 [pid 3050] <... futex resumed>) = 1 [pid 3048] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3045] exit_group(0 [pid 3047] <... futex resumed>) = 0 [pid 3044] <... futex resumed>) = 0 [pid 3051] <... setpgid resumed>) = 0 [pid 3050] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3049] <... futex resumed>) = 1 [pid 3048] <... futex resumed>) = ? [pid 3047] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3045] <... exit_group resumed>) = ? [pid 3044] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3051] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3050] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3049] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3048] +++ exited with 0 +++ [pid 3047] <... futex resumed>) = 0 [pid 3044] <... futex resumed>) = 0 [pid 3051] <... openat resumed>) = 3 [pid 3050] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3044] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3051] write(3, "1000", 4 [pid 3050] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3045] +++ exited with 0 +++ [pid 3051] <... write resumed>) = 4 [pid 3050] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3047] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3051] close(3 [pid 3050] <... futex resumed>) = 1 [pid 3049] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3044] <... futex resumed>) = 0 [pid 3051] <... close resumed>) = 0 [pid 3050] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3049] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3044] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3045, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3051] write(1, "executing program\n", 18 [pid 3050] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3049] <... futex resumed>) = 1 [pid 3047] <... futex resumed>) = 0 [pid 3044] <... futex resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3051] <... write resumed>) = 18 [pid 3050] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3049] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3047] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 3044] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3051] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3050] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3049] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3047] <... futex resumed>) = 0 [pid 3051] <... futex resumed>) = 0 [pid 3050] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3049] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3047] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3051] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3050] <... futex resumed>) = 1 [pid 3049] <... mkdirat resumed>) = 0 [pid 3044] <... futex resumed>) = 0 [pid 3051] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3050] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3049] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3044] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3051] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3050] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3049] <... futex resumed>) = 1 [pid 3047] <... futex resumed>) = 0 [pid 3044] <... futex resumed>) = 0 [pid 3051] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3050] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3049] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3047] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3044] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3051] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3050] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3049] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3047] <... futex resumed>) = 0 [pid 3051] <... mmap resumed>) = 0x7f85c0c15000 [pid 3050] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3049] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3051] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3050] <... futex resumed>) = 1 [pid 3047] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3044] <... futex resumed>) = 0 [pid 3051] <... mprotect resumed>) = 0 [pid 3050] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3049] <... symlinkat resumed>) = 0 [pid 3044] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3051] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3050] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3049] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3044] <... futex resumed>) = 0 [pid 3051] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3050] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3049] <... futex resumed>) = 1 [pid 3047] <... futex resumed>) = 0 [pid 3044] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3051] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3050] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3049] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3047] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3050] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3049] <... unlinkat resumed>) = 0 [pid 3047] <... futex resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 3051] <... clone3 resumed> => {parent_tid=[3052]}, 88) = 3052 [pid 3050] <... futex resumed>) = 1 [pid 3049] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3047] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3044] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3052 attached [pid 3051] rt_sigprocmask(SIG_SETMASK, [] [pid 3050] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3049] <... futex resumed>) = 0 [pid 3047] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3044] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3051] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3044] <... futex resumed>) = 0 [pid 3049] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3051] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3050] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3049] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3047] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3044] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3051] <... futex resumed>) = 0 [pid 3050] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3049] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3047] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3051] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3050] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3050] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3049] <... unlinkat resumed>) = 0 [pid 3047] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3050] <... futex resumed>) = 1 [pid 3049] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3047] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3044] <... futex resumed>) = 0 [pid 3044] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3044] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3052] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3050] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3047] exit_group(0 [pid 3052] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3052] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3047] <... exit_group resumed>) = ? [pid 3050] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3052] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3051] <... futex resumed>) = 0 [pid 3050] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3049] <... futex resumed>) = -1 ENOSYS (Function not implemented) [pid 3052] mount(NULL, "./config", "configfs", 0, NULL [pid 3051] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3050] <... futex resumed>) = 1 [pid 3044] <... futex resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3053 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3054 [pid 3052] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3051] <... futex resumed>) = 0 [pid 3052] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3051] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3052] <... futex resumed>) = 0 [pid 3051] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3052] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3051] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3049] +++ exited with 0 +++ [pid 3047] +++ exited with 0 +++ [pid 3052] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3051] <... futex resumed>) = 0 [pid 3050] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3044] exit_group(0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 3053 attached [pid 3052] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3051] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3050] <... futex resumed>) = ? [pid 3044] <... exit_group resumed>) = ? [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3047, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3052] <... futex resumed>) = 0 [pid 3051] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3050] +++ exited with 0 +++ [pid 3052] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3051] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3052] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3051] <... futex resumed>) = 0 [pid 3052] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3051] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3052] <... futex resumed>) = 0 [pid 3051] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3052] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3051] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3044] +++ exited with 0 +++ [pid 3053] set_robust_list(0x5555810c5760, 24 [pid 3052] <... mkdirat resumed>) = 0 [pid 3051] <... futex resumed>) = 0 [pid 3053] <... set_robust_list resumed>) = 0 [pid 3052] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3051] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3044, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 3054 attached [pid 3053] rt_sigprocmask(SIG_SETMASK, [] [pid 3052] <... futex resumed>) = 0 [pid 3051] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3053] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3052] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3051] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3054] set_robust_list(0x5555810c5760, 24 [pid 3053] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3052] <... symlinkat resumed>) = 0 [pid 3051] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3053] <... prctl resumed>) = 0 [pid 3052] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3051] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3053] setpgid(0, 0 [pid 3052] <... futex resumed>) = 0 [pid 3051] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3053] <... setpgid resumed>) = 0 [pid 3052] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3051] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3052] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3051] <... futex resumed>) = 0 [pid 3054] <... set_robust_list resumed>) = 0 [pid 3053] <... openat resumed>) = 3 [pid 3052] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3051] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3055 [pid 3054] rt_sigprocmask(SIG_SETMASK, [] [pid 3053] write(3, "1000", 4 [pid 3052] <... unlinkat resumed>) = 0 [pid 3053] <... write resumed>) = 4 [pid 3052] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3053] close(3 [pid 3052] <... futex resumed>) = 1 [pid 3051] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3053] <... close resumed>) = 0 [pid 3052] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3051] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3053] write(1, "executing program\n", 18 [pid 3052] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3051] <... futex resumed>) = 0 [pid 3053] <... write resumed>) = 18 executing program [pid 3052] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3051] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3054] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3053] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3052] <... unlinkat resumed>) = 0 [pid 3053] <... futex resumed>) = 0 [pid 3052] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3053] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3052] <... futex resumed>) = 1 [pid 3051] <... futex resumed>) = 0 [pid 3054] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3053] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3052] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3053] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3051] exit_group(0 [pid 3053] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3053] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3052] <... futex resumed>) = ? [pid 3051] <... exit_group resumed>) = ? [pid 3054] <... prctl resumed>) = 0 [pid 3053] <... mmap resumed>) = 0x7f85c0c15000 [pid 3052] +++ exited with 0 +++ [pid 3053] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3053] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3053] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 312] <... restart_syscall resumed>) = 0 [pid 3053] <... clone3 resumed> => {parent_tid=[3056]}, 88) = 3056 [pid 3053] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3053] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3053] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3055 attached [pid 3051] +++ exited with 0 +++ [pid 3055] set_robust_list(0x5555810c5760, 24) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3051, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3055] rt_sigprocmask(SIG_SETMASK, [] [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3055] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3055] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3055] <... prctl resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3055] setpgid(0, 0) = 0 [pid 3055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3055] write(3, "1000", 4) = 4 [pid 3055] close(3) = 0 [pid 3055] write(1, "executing program\n", 18) = 18 executing program [pid 3055] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3057 [pid 3055] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3055] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3055] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3055] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3055] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 ci2-android-5-15/strace-static-x86_64: Process 3056 attached [pid 3054] setpgid(0, 0ci2-android-5-15/strace-static-x86_64: Process 3057 attached [pid 3057] set_robust_list(0x5555810c5760, 24) = 0 [pid 3056] set_robust_list(0x7f85c0c359a0, 24 [pid 3055] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3054] <... setpgid resumed>) = 0 [pid 3057] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3056] <... set_robust_list resumed>) = 0 [pid 3055] <... mprotect resumed>) = 0 [pid 3054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3057] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 3057] setpgid(0, 0 [pid 3054] <... openat resumed>) = 3 [pid 3057] <... setpgid resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3054] write(3, "1000", 4 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3054] <... write resumed>) = 4 [pid 3057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3057] write(3, "1000", 4 [pid 3054] close(3 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3058 [pid 3054] <... close resumed>) = 0 [pid 3057] <... write resumed>) = 4 executing program [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3054] write(1, "executing program\n", 18 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3057] close(3 [pid 3054] <... write resumed>) = 18 [pid 3057] <... close resumed>) = 0 [pid 3057] write(1, "executing program\n", 18) = 18 executing program [pid 3057] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3054] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3054] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3057] <... futex resumed>) = 0 [pid 3057] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3057] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3057] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3054] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3057] <... mmap resumed>) = 0x7f85c0c15000 [pid 3057] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3056] rt_sigprocmask(SIG_SETMASK, [] [pid 3055] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3054] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3058 attached [pid 3058] set_robust_list(0x5555810c5760, 24) = 0 [pid 3058] rt_sigprocmask(SIG_SETMASK, [] [pid 3056] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3055] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3054] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3057] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3058] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3058] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3057] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3056] mkdirat(AT_FDCWD, "./config", 0777 [pid 3055] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3054] <... mmap resumed>) = 0x7f85c0c15000 [pid 3058] <... prctl resumed>) = 0 [pid 3054] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3058] setpgid(0, 0 [pid 3054] <... mprotect resumed>) = 0 [pid 3054] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3058] <... setpgid resumed>) = 0 [pid 3054] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3058] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-5-15/strace-static-x86_64: Process 3060 attached ci2-android-5-15/strace-static-x86_64: Process 3059 attached [pid 3057] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3056] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3060] set_robust_list(0x7f85c0c359a0, 24 [pid 3054] <... clone3 resumed> => {parent_tid=[3059]}, 88) = 3059 [pid 3056] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3053] <... futex resumed>) = 0 [pid 3053] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3053] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3056] <... futex resumed>) = 1 [pid 3056] mount(NULL, "./config", "configfs", 0, NULL [pid 3054] rt_sigprocmask(SIG_SETMASK, [] [pid 3056] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3054] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3056] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3054] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3053] <... futex resumed>) = 0 [pid 3053] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3053] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3056] <... futex resumed>) = 1 [pid 3056] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3054] <... futex resumed>) = 0 [pid 3057] <... clone3 resumed> => {parent_tid=[3061]}, 88) = 3061 [pid 3057] rt_sigprocmask(SIG_SETMASK, [] [pid 3056] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3054] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3058] <... openat resumed>) = 3 [pid 3057] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3057] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3056] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3057] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3053] <... futex resumed>) = 0 [pid 3053] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3053] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3056] <... futex resumed>) = 1 ci2-android-5-15/strace-static-x86_64: Process 3061 attached [pid 3060] <... set_robust_list resumed>) = 0 [pid 3059] set_robust_list(0x7f85c0c359a0, 24 [pid 3058] write(3, "1000", 4 [pid 3056] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3055] <... clone3 resumed> => {parent_tid=[3060]}, 88) = 3060 [pid 3061] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3061] rt_sigprocmask(SIG_SETMASK, [] [pid 3058] <... write resumed>) = 4 [pid 3061] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3060] rt_sigprocmask(SIG_SETMASK, [] [pid 3059] <... set_robust_list resumed>) = 0 [pid 3058] close(3 [pid 3056] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3055] rt_sigprocmask(SIG_SETMASK, [] [pid 3061] mkdirat(AT_FDCWD, "./config", 0777 [pid 3060] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3060] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3061] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3058] <... close resumed>) = 0 [pid 3061] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3057] <... futex resumed>) = 0 [pid 3057] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3057] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3061] <... futex resumed>) = 1 [pid 3059] rt_sigprocmask(SIG_SETMASK, [] [pid 3058] write(1, "executing program\n", 18 [pid 3056] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3055] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3061] mount(NULL, "./config", "configfs", 0, NULL [pid 3058] <... write resumed>) = 18 [pid 3061] <... mount resumed>) = -1 EBUSY (Device or resource busy) executing program [pid 3061] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3058] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3057] <... futex resumed>) = 0 [pid 3057] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3057] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3061] <... futex resumed>) = 1 [pid 3061] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3058] <... futex resumed>) = 0 [pid 3061] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3061] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3057] <... futex resumed>) = 0 [pid 3057] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3057] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3059] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3058] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3056] <... futex resumed>) = 1 [pid 3055] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3053] <... futex resumed>) = 0 [pid 3053] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3053] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3061] <... futex resumed>) = 1 [pid 3061] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3060] <... futex resumed>) = 0 [pid 3059] mkdirat(AT_FDCWD, "./config", 0777 [pid 3058] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3056] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3055] <... futex resumed>) = 1 [pid 3060] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3060] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3060] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3061] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3058] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3057] <... futex resumed>) = 0 [pid 3058] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3057] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3058] <... mmap resumed>) = 0x7f85c0c15000 [pid 3058] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3057] <... futex resumed>) = 0 [pid 3058] <... mprotect resumed>) = 0 [pid 3057] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3061] <... futex resumed>) = 1 [pid 3058] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3056] <... mkdirat resumed>) = 0 [pid 3058] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3061] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3058] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3056] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3061] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3061] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3056] <... futex resumed>) = 1 [pid 3053] <... futex resumed>) = 0 [pid 3058] <... clone3 resumed> => {parent_tid=[3062]}, 88) = 3062 [pid 3053] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3058] rt_sigprocmask(SIG_SETMASK, [] [pid 3056] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3053] <... futex resumed>) = 0 [pid 3061] <... futex resumed>) = 1 [pid 3058] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3057] <... futex resumed>) = 0 [pid 3056] <... symlinkat resumed>) = 0 [pid 3053] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3061] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3059] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3058] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3057] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3055] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3061] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3058] <... futex resumed>) = 0 [pid 3057] <... futex resumed>) = 0 [pid 3056] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3061] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3058] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3057] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3061] <... futex resumed>) = 0 [pid 3057] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3056] <... futex resumed>) = 1 [pid 3053] <... futex resumed>) = 0 [pid 3061] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3057] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3053] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3061] <... unlinkat resumed>) = 0 [pid 3057] <... futex resumed>) = 0 [pid 3053] <... futex resumed>) = 0 [pid 3061] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3057] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3056] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3053] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3062 attached [pid 3059] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3057] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3055] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3057] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3056] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3057] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3061] <... futex resumed>) = 0 [pid 3059] <... futex resumed>) = 1 [pid 3056] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3055] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3054] <... futex resumed>) = 0 [pid 3061] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3059] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3056] <... futex resumed>) = 1 [pid 3054] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3053] <... futex resumed>) = 0 [pid 3060] <... futex resumed>) = 0 [pid 3055] <... futex resumed>) = 1 [pid 3061] <... unlinkat resumed>) = 0 [pid 3060] mount(NULL, "./config", "configfs", 0, NULL [pid 3059] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3056] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3055] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3054] <... futex resumed>) = 0 [pid 3053] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3062] set_robust_list(0x7f85c0c359a0, 24 [pid 3061] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3060] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3059] mount(NULL, "./config", "configfs", 0, NULL [pid 3056] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3054] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3053] <... futex resumed>) = 0 [pid 3060] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3059] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3056] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3053] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3062] <... set_robust_list resumed>) = 0 [pid 3061] <... futex resumed>) = 1 [pid 3057] <... futex resumed>) = 0 [pid 3062] rt_sigprocmask(SIG_SETMASK, [] [pid 3060] <... futex resumed>) = 1 [pid 3059] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3057] exit_group(0 [pid 3061] ???( [pid 3056] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3055] <... futex resumed>) = 0 [pid 3060] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3057] <... exit_group resumed>) = ? [pid 3056] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3054] <... futex resumed>) = 0 [pid 3059] <... futex resumed>) = 1 [pid 3062] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3061] <... ??? resumed>) = ? [pid 3056] <... futex resumed>) = 1 [pid 3055] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3054] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3053] <... futex resumed>) = 0 [pid 3060] <... futex resumed>) = 0 [pid 3059] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3056] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3055] <... futex resumed>) = 1 [pid 3054] <... futex resumed>) = 0 [pid 3053] exit_group(0 [pid 3060] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3059] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3056] <... futex resumed>) = ? [pid 3055] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3054] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3053] <... exit_group resumed>) = ? [pid 3062] mkdirat(AT_FDCWD, "./config", 0777 [pid 3061] +++ exited with 0 +++ [pid 3060] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3059] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3057] +++ exited with 0 +++ [pid 3056] +++ exited with 0 +++ [pid 3054] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3062] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3059] <... futex resumed>) = 0 [pid 3054] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3053] +++ exited with 0 +++ [pid 3060] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3057, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3062] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3060] <... futex resumed>) = 1 [pid 3059] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3055] <... futex resumed>) = 0 [pid 3054] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3053, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3062] <... futex resumed>) = 1 [pid 3060] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3059] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3058] <... futex resumed>) = 0 [pid 3055] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3054] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3062] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3060] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3059] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3058] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3055] <... futex resumed>) = 0 [pid 3054] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3062] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3060] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3059] <... futex resumed>) = 0 [pid 3058] <... futex resumed>) = 0 [pid 3054] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3062] mount(NULL, "./config", "configfs", 0, NULL [pid 3060] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3059] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3058] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3055] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3054] <... futex resumed>) = 0 [pid 3062] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3060] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3059] <... mkdirat resumed>) = 0 [pid 3055] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3054] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3062] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3060] <... futex resumed>) = 0 [pid 3059] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3055] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3054] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3062] <... futex resumed>) = 1 [pid 3060] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3059] <... futex resumed>) = 0 [pid 3058] <... futex resumed>) = 0 [pid 3054] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3062] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3060] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3059] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3058] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3055] <... futex resumed>) = 0 [pid 3054] <... futex resumed>) = 0 [pid 3062] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3060] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3059] <... symlinkat resumed>) = 0 [pid 3058] <... futex resumed>) = 0 [pid 3055] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3054] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3062] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3060] <... futex resumed>) = 0 [pid 3059] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3058] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3055] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3054] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3062] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3060] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3059] <... futex resumed>) = 0 [pid 3055] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3054] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3062] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3060] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3059] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3055] <... futex resumed>) = 0 [pid 3054] <... futex resumed>) = 0 [pid 3062] <... futex resumed>) = 1 [pid 3060] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3059] <... unlinkat resumed>) = 0 [pid 3058] <... futex resumed>) = 0 [pid 3055] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3054] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3062] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3060] <... symlinkat resumed>) = 0 [pid 3059] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3058] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3054] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3062] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3060] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3059] <... futex resumed>) = 0 [pid 3058] <... futex resumed>) = 0 [pid 3054] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3062] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3059] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3058] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3054] <... futex resumed>) = 0 [pid 3062] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3060] <... futex resumed>) = 1 [pid 3059] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3055] <... futex resumed>) = 0 [pid 3054] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3062] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3060] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3059] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3055] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3054] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3062] <... futex resumed>) = 1 [pid 3060] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3059] <... futex resumed>) = 0 [pid 3058] <... futex resumed>) = 0 [pid 3054] exit_group(0 [pid 3062] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3060] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3058] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3055] <... futex resumed>) = 0 [pid 3054] <... exit_group resumed>) = ? [pid 3062] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3060] <... unlinkat resumed>) = 0 [pid 3059] +++ exited with 0 +++ [pid 3058] <... futex resumed>) = 0 [pid 3055] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3062] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3060] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3058] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3055] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3054] +++ exited with 0 +++ [pid 3062] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3060] <... futex resumed>) = 0 [pid 3055] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3054, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3062] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3060] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3055] <... futex resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3062] <... futex resumed>) = 1 [pid 3060] <... unlinkat resumed>) = 0 [pid 3058] <... futex resumed>) = 0 [pid 3055] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... restart_syscall resumed>) = 0 [pid 3062] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3060] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3058] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3055] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3062] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3060] <... futex resumed>) = 0 [pid 3058] <... futex resumed>) = 0 [pid 3055] exit_group(0 [pid 3062] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3058] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3055] <... exit_group resumed>) = ? [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3062] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3060] +++ exited with 0 +++ [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3062] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3062] <... futex resumed>) = 1 [pid 3058] <... futex resumed>) = 0 [pid 3055] +++ exited with 0 +++ [pid 312] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 3062] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3058] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3055, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3063 [pid 3062] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3058] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 3063 attached [pid 3062] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3058] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3062] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3062] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3062] <... futex resumed>) = 1 [pid 3058] <... futex resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3063] set_robust_list(0x5555810c5760, 24) = 0 [pid 3063] rt_sigprocmask(SIG_SETMASK, [] [pid 3058] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3063] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3063] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3063] setpgid(0, 0) = 0 [pid 3063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3062] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3058] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3064 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3062] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3058] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3063] <... openat resumed>) = 3 [pid 3063] write(3, "1000", 4) = 4 [pid 3062] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3066 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3065 [pid 3062] <... futex resumed>) = 1 [pid 3058] <... futex resumed>) = 0 [pid 3062] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3058] exit_group(0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3062] <... futex resumed>) = ? [pid 3058] <... exit_group resumed>) = ? [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3062] +++ exited with 0 +++ [pid 3063] close(3) = 0 [pid 3063] write(1, "executing program\n", 18) = 18 [pid 3063] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3063] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3063] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3058] +++ exited with 0 +++ [pid 3063] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3063] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3058, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 3064 attached [pid 3063] <... mmap resumed>) = 0x7f85c0c15000 executing program [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3064] set_robust_list(0x5555810c5760, 24 [pid 3063] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3064] <... set_robust_list resumed>) = 0 [pid 3063] <... mprotect resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3066 attached ci2-android-5-15/strace-static-x86_64: Process 3065 attached [pid 3066] set_robust_list(0x5555810c5760, 24 [pid 3064] rt_sigprocmask(SIG_SETMASK, [] [pid 3063] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3064] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3063] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3066] <... set_robust_list resumed>) = 0 [pid 3064] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3063] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3065] set_robust_list(0x5555810c5760, 24 [pid 3064] <... prctl resumed>) = 0 [pid 3064] setpgid(0, 0 [pid 3063] <... clone3 resumed> => {parent_tid=[3067]}, 88) = 3067 [pid 3064] <... setpgid resumed>) = 0 [pid 3063] rt_sigprocmask(SIG_SETMASK, [] [pid 3064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3063] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3066] rt_sigprocmask(SIG_SETMASK, [] [pid 3065] <... set_robust_list resumed>) = 0 [pid 3064] <... openat resumed>) = 3 [pid 3063] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3064] write(3, "1000", 4 [pid 3063] <... futex resumed>) = 0 [pid 3064] <... write resumed>) = 4 [pid 3063] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3064] close(3) = 0 executing program [pid 3064] write(1, "executing program\n", 18) = 18 [pid 3064] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3064] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3066] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3064] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3065] rt_sigprocmask(SIG_SETMASK, [] [pid 3064] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3064] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3064] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3066] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3065] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3064] <... mprotect resumed>) = 0 [pid 3064] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3066] <... prctl resumed>) = 0 [pid 3065] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3064] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0}ci2-android-5-15/strace-static-x86_64: Process 3068 attached [pid 3066] setpgid(0, 0 [pid 3065] <... prctl resumed>) = 0 [pid 3064] <... clone3 resumed> => {parent_tid=[3068]}, 88) = 3068 [pid 3064] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3064] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3068] set_robust_list(0x7f85c0c359a0, 24 [pid 3066] <... setpgid resumed>) = 0 [pid 3065] setpgid(0, 0 [pid 3064] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3067 attached [pid 3067] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3067] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3067] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3067] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3063] <... futex resumed>) = 0 [pid 3063] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3063] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3066] <... openat resumed>) = 3 [pid 3065] <... setpgid resumed>) = 0 [pid 3067] <... futex resumed>) = 1 [pid 3067] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3066] write(3, "1000", 4 [pid 3068] <... set_robust_list resumed>) = 0 [pid 3065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3067] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3063] <... futex resumed>) = 0 [pid 3063] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3066] <... write resumed>) = 4 [pid 3065] <... openat resumed>) = 3 [pid 3063] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3067] <... futex resumed>) = 1 [pid 3066] close(3 [pid 3065] write(3, "1000", 4 [pid 3067] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3067] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3066] <... close resumed>) = 0 [pid 3065] <... write resumed>) = 4 [pid 3063] <... futex resumed>) = 0 [pid 3063] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3063] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3067] <... futex resumed>) = 1 [pid 3066] write(1, "executing program\n", 18 [pid 304] <... restart_syscall resumed>) = 0 [pid 3065] close(3 [pid 3066] <... write resumed>) = 18 [pid 3065] <... close resumed>) = 0 [pid 3067] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3066] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3065] write(1, "executing program\n", 18 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 executing program executing program [pid 3066] <... futex resumed>) = 0 [pid 3065] <... write resumed>) = 18 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3066] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3067] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3067] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3063] <... futex resumed>) = 0 [pid 3067] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3063] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3066] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3067] <... mkdirat resumed>) = 0 [pid 3065] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3063] <... futex resumed>) = 0 [pid 3066] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3069 ci2-android-5-15/strace-static-x86_64: Process 3069 attached [pid 3068] rt_sigprocmask(SIG_SETMASK, [] [pid 3067] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3066] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3065] <... futex resumed>) = 0 [pid 3063] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3067] <... futex resumed>) = 0 [pid 3066] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3065] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3063] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3067] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3066] <... mmap resumed>) = 0x7f85c0c15000 [pid 3065] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3063] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3067] <... symlinkat resumed>) = 0 [pid 3066] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3065] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3063] <... futex resumed>) = 0 [pid 3067] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3066] <... mprotect resumed>) = 0 [pid 3065] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3063] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3068] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3067] <... futex resumed>) = 0 [pid 3066] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3065] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3063] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3067] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3066] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3065] <... mmap resumed>) = 0x7f85c0c15000 [pid 3063] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3067] <... unlinkat resumed>) = 0 [pid 3066] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3065] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3063] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3070 attached [pid 3069] set_robust_list(0x5555810c5760, 24 [pid 3068] mkdirat(AT_FDCWD, "./config", 0777 [pid 3067] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3065] <... mprotect resumed>) = 0 [pid 3063] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3070] set_robust_list(0x7f85c0c359a0, 24 [pid 3069] <... set_robust_list resumed>) = 0 [pid 3067] <... futex resumed>) = 0 [pid 3066] <... clone3 resumed> => {parent_tid=[3070]}, 88) = 3070 [pid 3065] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3063] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3069] rt_sigprocmask(SIG_SETMASK, [] [pid 3068] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3067] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3066] rt_sigprocmask(SIG_SETMASK, [] [pid 3065] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3063] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3070] <... set_robust_list resumed>) = 0 [pid 3069] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3068] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3067] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3066] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3065] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3063] <... futex resumed>) = 0 [pid 3070] rt_sigprocmask(SIG_SETMASK, [] [pid 3069] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3068] <... futex resumed>) = 1 [pid 3067] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3066] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3064] <... futex resumed>) = 0 [pid 3063] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3071 attached [pid 3070] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3069] <... prctl resumed>) = 0 [pid 3068] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3067] <... unlinkat resumed>) = 0 [pid 3066] <... futex resumed>) = 0 [pid 3064] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3069] setpgid(0, 0 [pid 3068] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3067] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3066] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3065] <... clone3 resumed> => {parent_tid=[3071]}, 88) = 3071 [pid 3064] <... futex resumed>) = 0 [pid 3069] <... setpgid resumed>) = 0 [pid 3068] mount(NULL, "./config", "configfs", 0, NULL [pid 3067] <... futex resumed>) = 1 [pid 3065] rt_sigprocmask(SIG_SETMASK, [] [pid 3064] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3063] <... futex resumed>) = 0 [pid 3069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3068] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3067] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3065] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3063] exit_group(0 [pid 3069] <... openat resumed>) = 3 [pid 3067] <... futex resumed>) = ? [pid 3065] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3063] <... exit_group resumed>) = ? [pid 3068] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3071] set_robust_list(0x7f85c0c359a0, 24 [pid 3070] mkdirat(AT_FDCWD, "./config", 0777 [pid 3069] write(3, "1000", 4 [pid 3067] +++ exited with 0 +++ [pid 3065] <... futex resumed>) = 0 [pid 3070] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3069] <... write resumed>) = 4 [pid 3068] <... futex resumed>) = 1 [pid 3065] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3071] <... set_robust_list resumed>) = 0 [pid 3070] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3069] close(3 [pid 3068] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3064] <... futex resumed>) = 0 [pid 3063] +++ exited with 0 +++ [pid 3070] <... futex resumed>) = 1 [pid 3069] <... close resumed>) = 0 [pid 3066] <... futex resumed>) = 0 [pid 3064] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3070] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3069] write(1, "executing program\n", 18 [pid 3068] <... futex resumed>) = 0 executing program [pid 3066] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3064] <... futex resumed>) = 1 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3063, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3069] <... write resumed>) = 18 [pid 3068] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3066] <... futex resumed>) = 0 [pid 3064] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3070] mount(NULL, "./config", "configfs", 0, NULL [pid 3069] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3068] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3066] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3069] <... futex resumed>) = 0 [pid 3070] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3069] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3068] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3070] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3069] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3068] <... futex resumed>) = 1 [pid 3069] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3064] <... futex resumed>) = 0 [pid 3070] <... futex resumed>) = 1 [pid 3069] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3068] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3066] <... futex resumed>) = 0 [pid 3064] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3071] rt_sigprocmask(SIG_SETMASK, [] [pid 3070] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3069] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3068] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3066] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3064] <... futex resumed>) = 0 [pid 3071] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3069] <... mmap resumed>) = 0x7f85c0c15000 [pid 3068] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3066] <... futex resumed>) = 0 [pid 3064] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3071] mkdirat(AT_FDCWD, "./config", 0777 [pid 3070] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3069] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3068] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3066] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3069] <... mprotect resumed>) = 0 [pid 3068] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3070] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3071] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3069] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3070] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3068] <... futex resumed>) = 1 [pid 3064] <... futex resumed>) = 0 [pid 3071] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3070] <... futex resumed>) = 1 [pid 3069] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3068] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3066] <... futex resumed>) = 0 [pid 3064] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3071] <... futex resumed>) = 1 [pid 3070] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3069] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3068] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3066] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3065] <... futex resumed>) = 0 [pid 3064] <... futex resumed>) = 0 [pid 3071] mount(NULL, "./config", "configfs", 0, NULL [pid 3070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3068] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3066] <... futex resumed>) = 0 [pid 3065] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3064] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3071] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3070] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3069] <... clone3 resumed> => {parent_tid=[3072]}, 88) = 3072 [pid 3068] <... mkdirat resumed>) = 0 [pid 3066] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3065] <... futex resumed>) = 0 [pid 3070] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3069] rt_sigprocmask(SIG_SETMASK, [] [pid 3068] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3070] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3069] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3065] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3071] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3068] <... futex resumed>) = 1 [pid 3064] <... futex resumed>) = 0 [pid 3071] <... futex resumed>) = 0 [pid 3070] <... futex resumed>) = 1 [pid 3069] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3068] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3066] <... futex resumed>) = 0 [pid 3065] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3064] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3072 attached [pid 3071] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3070] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3069] <... futex resumed>) = 0 [pid 3068] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3066] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3065] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3064] <... futex resumed>) = 0 [pid 3070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3069] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3068] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3066] <... futex resumed>) = 0 [pid 3065] <... futex resumed>) = 0 [pid 3064] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3070] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3068] <... symlinkat resumed>) = 0 [pid 3066] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3065] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3070] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3068] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3070] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3068] <... futex resumed>) = 1 [pid 3064] <... futex resumed>) = 0 [pid 3070] <... futex resumed>) = 1 [pid 3068] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3066] <... futex resumed>) = 0 [pid 3064] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3070] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3068] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3066] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3064] <... futex resumed>) = 0 [pid 3070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3068] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3066] <... futex resumed>) = 0 [pid 3064] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3070] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3068] <... unlinkat resumed>) = 0 [pid 3066] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3072] set_robust_list(0x7f85c0c359a0, 24 [pid 3070] <... symlinkat resumed>) = 0 [pid 3068] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3070] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3072] <... set_robust_list resumed>) = 0 [pid 3071] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3068] <... futex resumed>) = 1 [pid 3070] <... futex resumed>) = 1 [pid 3066] <... futex resumed>) = 0 [pid 3064] <... futex resumed>) = 0 [pid 3072] rt_sigprocmask(SIG_SETMASK, [] [pid 3071] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3070] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3068] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3066] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3064] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3072] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3071] <... futex resumed>) = 1 [pid 3070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3068] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3066] <... futex resumed>) = 0 [pid 3065] <... futex resumed>) = 0 [pid 3064] <... futex resumed>) = 0 [pid 3072] mkdirat(AT_FDCWD, "./config", 0777 [pid 3064] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3072] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3072] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3071] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3070] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3068] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3066] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3065] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... restart_syscall resumed>) = 0 [pid 3072] <... futex resumed>) = 1 [pid 3070] <... unlinkat resumed>) = 0 [pid 3069] <... futex resumed>) = 0 [pid 3068] <... unlinkat resumed>) = 0 [pid 3065] <... futex resumed>) = 0 [pid 3072] mount(NULL, "./config", "configfs", 0, NULL [pid 3071] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3070] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3069] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3068] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3072] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3071] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3070] <... futex resumed>) = 1 [pid 3069] <... futex resumed>) = 0 [pid 3068] <... futex resumed>) = 1 [pid 3066] <... futex resumed>) = 0 [pid 3065] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3064] <... futex resumed>) = 0 [pid 3072] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3071] <... futex resumed>) = 0 [pid 3070] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3069] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3068] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3066] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3065] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3064] exit_group(0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3072] <... futex resumed>) = 0 [pid 3071] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3068] <... futex resumed>) = ? [pid 3066] <... futex resumed>) = 0 [pid 3065] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3064] <... exit_group resumed>) = ? [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3072] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3070] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3069] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3068] +++ exited with 0 +++ [pid 3066] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3065] <... futex resumed>) = 0 [pid 3064] +++ exited with 0 +++ [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3072] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3071] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3070] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3069] <... futex resumed>) = 0 [pid 3065] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3072] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3069] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3072] <... futex resumed>) = 0 [pid 3069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3064, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3072] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3070] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3069] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3073 [pid 3072] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3071] <... mkdirat resumed>) = 0 [pid 3070] <... futex resumed>) = 1 [pid 3069] <... futex resumed>) = 0 [pid 3066] <... futex resumed>) = 0 [pid 3072] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3071] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3070] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3069] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3072] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3071] <... futex resumed>) = 1 [pid 3066] exit_group(0 [pid 3065] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3072] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3071] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3070] <... futex resumed>) = ? [pid 3066] <... exit_group resumed>) = ? [pid 3065] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3072] <... futex resumed>) = 1 [pid 3070] +++ exited with 0 +++ [pid 3069] <... futex resumed>) = 0 [pid 3072] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3069] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3072] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3069] <... futex resumed>) = 0 [pid 3072] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3069] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3072] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3072] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3069] <... futex resumed>) = 0 [pid 3072] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3069] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3066] +++ exited with 0 +++ [pid 3072] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3069] <... futex resumed>) = 0 [pid 3065] <... futex resumed>) = 0 [pid 3072] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3071] <... symlinkat resumed>) = 0 [pid 3069] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3072] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3065] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3066, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3072] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3071] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3072] <... futex resumed>) = 1 [pid 3071] <... futex resumed>) = 1 [pid 3069] <... futex resumed>) = 0 [pid 3065] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3073 attached [pid 3072] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3071] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3069] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3065] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3073] set_robust_list(0x5555810c5760, 24 [pid 3072] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3069] <... futex resumed>) = 0 [pid 3065] <... futex resumed>) = 0 [pid 3073] <... set_robust_list resumed>) = 0 [pid 3072] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3071] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3069] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3065] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3073] rt_sigprocmask(SIG_SETMASK, [] [pid 3072] <... unlinkat resumed>) = 0 [pid 3071] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3073] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3072] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3071] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3073] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3072] <... futex resumed>) = 1 [pid 3069] <... futex resumed>) = 0 [pid 3073] <... prctl resumed>) = 0 [pid 3072] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3071] <... futex resumed>) = 1 [pid 3069] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3065] <... futex resumed>) = 0 [pid 3073] setpgid(0, 0 [pid 3072] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3071] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3069] <... futex resumed>) = 0 [pid 3065] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3073] <... setpgid resumed>) = 0 [pid 3072] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3069] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3065] <... futex resumed>) = 0 [pid 3073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3072] <... unlinkat resumed>) = 0 [pid 3071] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3065] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3073] <... openat resumed>) = 3 [pid 3072] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... restart_syscall resumed>) = 0 [pid 3073] write(3, "1000", 4 [pid 3072] <... futex resumed>) = 1 [pid 3071] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3069] <... futex resumed>) = 0 [pid 3073] <... write resumed>) = 4 [pid 3072] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3071] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3069] exit_group(0 [pid 3073] close(3 [pid 3072] <... futex resumed>) = ? [pid 3071] <... futex resumed>) = 1 [pid 3069] <... exit_group resumed>) = ? [pid 3065] <... futex resumed>) = 0 [pid 3073] <... close resumed>) = 0 [pid 3072] +++ exited with 0 +++ [pid 3071] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3069] +++ exited with 0 +++ [pid 3065] exit_group(0 [pid 3073] write(1, "executing program\n", 18 [pid 3071] <... futex resumed>) = ? [pid 3065] <... exit_group resumed>) = ? [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3069, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3071] +++ exited with 0 +++ [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3073] <... write resumed>) = 18 [pid 3065] +++ exited with 0 +++ [pid 312] <... restart_syscall resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3073] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3065, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3074 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3074 attached [pid 3074] set_robust_list(0x5555810c5760, 24) = 0 executing program [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3073] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3075 [pid 3073] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3073] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3073] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3075 attached [pid 3073] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3074] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3074] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3073] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3076 [pid 3073] <... mmap resumed>) = 0x7f85c0c15000 [pid 3074] <... prctl resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3073] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3073] <... mprotect resumed>) = 0 [pid 3074] setpgid(0, 0 [pid 3073] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3074] <... setpgid resumed>) = 0 [pid 3073] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3073] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3073] <... clone3 resumed> => {parent_tid=[3077]}, 88) = 3077 [pid 3073] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3073] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3073] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3074] <... openat resumed>) = 3 [pid 3074] write(3, "1000", 4 [pid 3075] set_robust_list(0x5555810c5760, 24 [pid 3074] <... write resumed>) = 4 [pid 3074] close(3) = 0 [pid 3074] write(1, "executing program\n", 18) = 18 executing program [pid 3074] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3075] <... set_robust_list resumed>) = 0 [pid 3074] <... futex resumed>) = 0 [pid 3074] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}ci2-android-5-15/strace-static-x86_64: Process 3077 attached [pid 3075] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 3076 attached [pid 3076] set_robust_list(0x5555810c5760, 24 [pid 3077] set_robust_list(0x7f85c0c359a0, 24 [pid 3075] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3074] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3076] <... set_robust_list resumed>) = 0 [pid 3076] rt_sigprocmask(SIG_SETMASK, [] [pid 3077] <... set_robust_list resumed>) = 0 [pid 3075] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3074] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3076] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3076] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3075] <... prctl resumed>) = 0 [pid 3076] <... prctl resumed>) = 0 [pid 3076] setpgid(0, 0) = 0 [pid 3076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3077] rt_sigprocmask(SIG_SETMASK, [] [pid 3075] setpgid(0, 0 [pid 3074] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3075] <... setpgid resumed>) = 0 [pid 3074] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3077] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3076] <... openat resumed>) = 3 [pid 3076] write(3, "1000", 4) = 4 [pid 3076] close(3) = 0 executing program [pid 3076] write(1, "executing program\n", 18) = 18 [pid 3075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3074] <... mmap resumed>) = 0x7f85c0c15000 [pid 3077] mkdirat(AT_FDCWD, "./config", 0777 [pid 3076] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3075] <... openat resumed>) = 3 [pid 3076] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3076] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3076] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3076] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3076] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3075] write(3, "1000", 4 [pid 3076] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3075] <... write resumed>) = 4 [pid 3076] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3075] close(3) = 0 [pid 3074] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3075] write(1, "executing program\n", 18) = 18 [pid 3074] <... mprotect resumed>) = 0 [pid 3075] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 3077] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3075] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}ci2-android-5-15/strace-static-x86_64: Process 3078 attached [pid 3076] <... clone3 resumed> => {parent_tid=[3078]}, 88) = 3078 [pid 3077] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3075] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3074] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... restart_syscall resumed>) = 0 [pid 3077] <... futex resumed>) = 1 [pid 3075] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3074] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3073] <... futex resumed>) = 0 [pid 3077] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3075] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3073] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3077] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3074] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3073] <... futex resumed>) = 0 [pid 3075] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3073] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3077] mount(NULL, "./config", "configfs", 0, NULL [pid 3075] <... mmap resumed>) = 0x7f85c0c15000 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3075] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3076] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3076] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3076] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3078] set_robust_list(0x7f85c0c359a0, 24 [pid 3075] <... mprotect resumed>) = 0 [pid 3078] <... set_robust_list resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3079 [pid 3075] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3078] rt_sigprocmask(SIG_SETMASK, [] [pid 3075] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3077] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3075] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3078] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3077] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3074] <... clone3 resumed> => {parent_tid=[3080]}, 88) = 3080 [pid 3075] <... clone3 resumed> => {parent_tid=[3081]}, 88) = 3081 [pid 3077] <... futex resumed>) = 1 [pid 3075] rt_sigprocmask(SIG_SETMASK, [] [pid 3073] <... futex resumed>) = 0 [pid 3074] rt_sigprocmask(SIG_SETMASK, [] [pid 3077] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3075] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3073] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3077] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3075] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3073] <... futex resumed>) = 0 [pid 3074] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3077] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3075] <... futex resumed>) = 0 [pid 3074] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3073] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3075] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3077] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3074] <... futex resumed>) = 0 [pid 3078] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3078] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3081 attached ci2-android-5-15/strace-static-x86_64: Process 3080 attached ci2-android-5-15/strace-static-x86_64: Process 3079 attached [pid 3077] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3074] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3076] <... futex resumed>) = 0 [pid 3076] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3076] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3077] <... futex resumed>) = 1 [pid 3073] <... futex resumed>) = 0 [pid 3078] <... futex resumed>) = 1 [pid 3078] mount(NULL, "./config", "configfs", 0, NULL [pid 3077] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3073] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3081] set_robust_list(0x7f85c0c359a0, 24 [pid 3080] set_robust_list(0x7f85c0c359a0, 24 [pid 3079] set_robust_list(0x5555810c5760, 24 [pid 3078] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3078] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3076] <... futex resumed>) = 0 [pid 3076] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3076] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3078] <... futex resumed>) = 1 [pid 3078] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3078] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3076] <... futex resumed>) = 0 [pid 3076] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3076] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3081] <... set_robust_list resumed>) = 0 [pid 3080] <... set_robust_list resumed>) = 0 [pid 3079] <... set_robust_list resumed>) = 0 [pid 3078] <... futex resumed>) = 1 [pid 3077] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3073] <... futex resumed>) = 0 [pid 3081] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3081] mkdirat(AT_FDCWD, "./config", 0777 [pid 3077] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3073] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3080] rt_sigprocmask(SIG_SETMASK, [] [pid 3081] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3081] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3075] <... futex resumed>) = 0 [pid 3075] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3075] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3077] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3080] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3077] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3081] <... futex resumed>) = 1 [pid 3077] <... futex resumed>) = 1 [pid 3073] <... futex resumed>) = 0 [pid 3080] mkdirat(AT_FDCWD, "./config", 0777 [pid 3077] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3073] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3081] mount(NULL, "./config", "configfs", 0, NULL [pid 3077] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3073] <... futex resumed>) = 0 [pid 3080] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3077] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3073] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3081] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3080] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3077] <... mkdirat resumed>) = 0 [pid 3081] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3077] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3080] <... futex resumed>) = 1 [pid 3074] <... futex resumed>) = 0 [pid 3077] <... futex resumed>) = 1 [pid 3080] mount(NULL, "./config", "configfs", 0, NULL [pid 3077] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3074] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3073] <... futex resumed>) = 0 [pid 3080] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3074] <... futex resumed>) = 0 [pid 3073] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3080] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3074] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3077] <... futex resumed>) = 0 [pid 3073] <... futex resumed>) = 1 [pid 3080] <... futex resumed>) = 0 [pid 3077] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3074] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3073] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3075] <... futex resumed>) = 0 [pid 3077] <... symlinkat resumed>) = 0 [pid 3075] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3080] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3074] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3077] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3075] <... futex resumed>) = 0 [pid 3074] <... futex resumed>) = 0 [pid 3080] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3077] <... futex resumed>) = 1 [pid 3075] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3074] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3073] <... futex resumed>) = 0 [pid 3080] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3077] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3074] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3080] <... futex resumed>) = 0 [pid 3077] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3074] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3073] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3080] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3077] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3074] <... futex resumed>) = 0 [pid 3073] <... futex resumed>) = 0 [pid 3081] <... futex resumed>) = 1 [pid 3077] <... unlinkat resumed>) = 0 [pid 3080] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3074] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3073] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3080] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3079] rt_sigprocmask(SIG_SETMASK, [] [pid 3077] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3073] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3077] <... futex resumed>) = 0 [pid 3074] <... futex resumed>) = 0 [pid 3073] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3080] <... futex resumed>) = 1 [pid 3079] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3077] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3080] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3074] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3073] <... futex resumed>) = 0 [pid 3081] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3078] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3081] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3078] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3081] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3078] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3081] <... futex resumed>) = 1 [pid 3078] <... futex resumed>) = 1 [pid 3076] <... futex resumed>) = 0 [pid 3075] <... futex resumed>) = 0 [pid 3081] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3078] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3076] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3075] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3080] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3078] <... mkdirat resumed>) = 0 [pid 3077] <... unlinkat resumed>) = 0 [pid 3076] <... futex resumed>) = 0 [pid 3075] <... futex resumed>) = 0 [pid 3074] <... futex resumed>) = 0 [pid 3073] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3081] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3080] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3079] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3078] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3077] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3076] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3075] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3074] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3073] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3081] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3080] <... futex resumed>) = 0 [pid 3079] <... prctl resumed>) = 0 [pid 3078] <... futex resumed>) = 0 [pid 3077] <... futex resumed>) = 0 [pid 3076] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3074] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3073] exit_group(0 [pid 3081] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3080] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3079] setpgid(0, 0 [pid 3078] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3076] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3074] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3073] <... exit_group resumed>) = ? [pid 3081] <... futex resumed>) = 1 [pid 3080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3079] <... setpgid resumed>) = 0 [pid 3078] <... symlinkat resumed>) = 0 [pid 3077] +++ exited with 0 +++ [pid 3076] <... futex resumed>) = 0 [pid 3075] <... futex resumed>) = 0 [pid 3074] <... futex resumed>) = 0 [pid 3081] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3078] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3076] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3075] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3078] <... futex resumed>) = 0 [pid 3076] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3075] <... futex resumed>) = 0 [pid 3073] +++ exited with 0 +++ [pid 3081] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3080] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3078] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3076] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3075] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3074] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3073, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3081] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3080] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3079] <... openat resumed>) = 3 [pid 3078] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3076] <... futex resumed>) = 0 [pid 3081] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3080] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3079] write(3, "1000", 4 [pid 3078] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3076] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3081] <... futex resumed>) = 1 [pid 3080] <... futex resumed>) = 1 [pid 3079] <... write resumed>) = 4 [pid 3078] <... unlinkat resumed>) = 0 [pid 3075] <... futex resumed>) = 0 [pid 3074] <... futex resumed>) = 0 [pid 3081] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3080] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3078] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3075] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3079] close(3 [pid 3074] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3079] <... close resumed>) = 0 [pid 3078] <... futex resumed>) = 1 [pid 3076] <... futex resumed>) = 0 [pid 3075] <... futex resumed>) = 0 [pid 3074] <... futex resumed>) = 0 [pid 3081] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3080] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3079] write(1, "executing program\n", 18 [pid 3078] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL executing program [pid 3076] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3075] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3074] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3081] <... symlinkat resumed>) = 0 [pid 3080] <... unlinkat resumed>) = 0 [pid 3079] <... write resumed>) = 18 [pid 3078] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3076] <... futex resumed>) = 0 [pid 3081] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3080] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3079] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3078] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3076] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3081] <... futex resumed>) = 1 [pid 3080] <... futex resumed>) = 1 [pid 3079] <... futex resumed>) = 0 [pid 3078] <... unlinkat resumed>) = 0 [pid 3075] <... futex resumed>) = 0 [pid 3074] <... futex resumed>) = 0 [pid 3081] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3080] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3079] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3078] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3075] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3074] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3079] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3078] <... futex resumed>) = 1 [pid 3076] <... futex resumed>) = 0 [pid 3075] <... futex resumed>) = 0 [pid 3074] <... futex resumed>) = 0 [pid 3081] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3080] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3079] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3078] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3076] exit_group(0 [pid 3075] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3074] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3081] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3080] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3079] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3078] <... futex resumed>) = ? [pid 3076] <... exit_group resumed>) = ? [pid 3081] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3080] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3079] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3078] +++ exited with 0 +++ [pid 3076] +++ exited with 0 +++ [pid 3081] <... futex resumed>) = 1 [pid 3080] <... futex resumed>) = 1 [pid 3079] <... mmap resumed>) = 0x7f85c0c15000 [pid 3075] <... futex resumed>) = 0 [pid 3074] <... futex resumed>) = 0 [pid 3081] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3080] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3079] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3075] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3079] <... mprotect resumed>) = 0 [pid 3075] <... futex resumed>) = 0 [pid 3074] exit_group(0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3076, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3081] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3080] <... futex resumed>) = ? [pid 3079] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3075] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3074] <... exit_group resumed>) = ? [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3081] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3080] +++ exited with 0 +++ [pid 3079] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3081] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3075] <... futex resumed>) = 0 [pid 3081] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3075] exit_group(0 [pid 3081] <... futex resumed>) = ? [pid 3075] <... exit_group resumed>) = ? [pid 3081] +++ exited with 0 +++ [pid 3079] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3075] +++ exited with 0 +++ [pid 3074] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3074, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3079] <... clone3 resumed> => {parent_tid=[3082]}, 88) = 3082 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3075, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3079] rt_sigprocmask(SIG_SETMASK, [] [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3079] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3079] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3082 attached ) = 0 [pid 3079] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3082] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3082] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3082] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3082] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3079] <... futex resumed>) = 0 [pid 3082] mount(NULL, "./config", "configfs", 0, NULL [pid 3079] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3079] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3082] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3082] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3079] <... futex resumed>) = 0 [pid 3082] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3079] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3079] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3082] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3082] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3079] <... futex resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 3079] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3079] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 3083 attached [pid 311] <... restart_syscall resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3083 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3082] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3082] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3082] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3079] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3084 [pid 3079] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3079] <... futex resumed>) = 1 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3079] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3082] <... futex resumed>) = 0 [pid 3082] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3082] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3082] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 3084 attached [pid 3084] set_robust_list(0x5555810c5760, 24) = 0 [pid 3084] rt_sigprocmask(SIG_SETMASK, [] [pid 3079] <... futex resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3085 [pid 3079] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3086 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3079] <... futex resumed>) = 1 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3079] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3082] <... futex resumed>) = 0 [pid 3082] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0"ci2-android-5-15/strace-static-x86_64: Process 3085 attached [pid 3083] set_robust_list(0x5555810c5760, 24 [pid 3082] <... symlinkat resumed>) = 0 [pid 3082] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3079] <... futex resumed>) = 0 [pid 3082] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3079] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3085] set_robust_list(0x5555810c5760, 24 [pid 3083] <... set_robust_list resumed>) = 0 [pid 3082] <... unlinkat resumed>) = 0 [pid 3079] <... futex resumed>) = 0 [pid 3082] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3079] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3082] <... futex resumed>) = 0 [pid 3079] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3082] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3079] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3085] <... set_robust_list resumed>) = 0 [pid 3083] rt_sigprocmask(SIG_SETMASK, [] [pid 3082] <... unlinkat resumed>) = 0 [pid 3079] <... futex resumed>) = 0 [pid 3082] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3079] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3082] <... futex resumed>) = 0 [pid 3079] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3082] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3079] exit_group(0 [pid 3082] <... futex resumed>) = ? [pid 3079] <... exit_group resumed>) = ? [pid 3082] +++ exited with 0 +++ [pid 3084] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3084] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3084] setpgid(0, 0) = 0 [pid 3084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3079] +++ exited with 0 +++ [pid 3084] <... openat resumed>) = 3 [pid 3084] write(3, "1000", 4 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3079, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3084] <... write resumed>) = 4 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3085] rt_sigprocmask(SIG_SETMASK, [] [pid 3083] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3084] close(3) = 0 [pid 3084] write(1, "executing program\n", 18) = 18 executing program [pid 3085] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3084] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3083] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3084] <... futex resumed>) = 0 [pid 3084] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3084] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3084] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3085] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3084] <... mmap resumed>) = 0x7f85c0c15000 [pid 3083] <... prctl resumed>) = 0 [pid 3084] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3084] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3085] <... prctl resumed>) = 0 [pid 3083] setpgid(0, 0 [pid 3084] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3084] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3085] setpgid(0, 0 [pid 3083] <... setpgid resumed>) = 0 [pid 3084] <... clone3 resumed> => {parent_tid=[3087]}, 88) = 3087 ci2-android-5-15/strace-static-x86_64: Process 3086 attached [pid 3086] set_robust_list(0x5555810c5760, 24 [pid 3083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3086] <... set_robust_list resumed>) = 0 [pid 3086] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3083] <... openat resumed>) = 3 [pid 3086] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3086] setpgid(0, 0) = 0 [pid 3086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3085] <... setpgid resumed>) = 0 [pid 3084] rt_sigprocmask(SIG_SETMASK, [] [pid 3083] write(3, "1000", 4ci2-android-5-15/strace-static-x86_64: Process 3087 attached [pid 3087] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3083] <... write resumed>) = 4 [pid 3087] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3087] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3084] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3083] close(3 [pid 3086] <... openat resumed>) = 3 [pid 3083] <... close resumed>) = 0 [pid 3086] write(3, "1000", 4) = 4 [pid 3086] close(3) = 0 [pid 3086] write(1, "executing program\n", 18) = 18 executing program [pid 3086] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3086] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3084] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3083] write(1, "executing program\n", 18 [pid 3085] <... openat resumed>) = 3 [pid 3086] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3084] <... futex resumed>) = 1 executing program [pid 3084] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3086] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3085] write(3, "1000", 4 [pid 3083] <... write resumed>) = 18 [pid 3086] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3085] <... write resumed>) = 4 [pid 3083] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3086] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3085] close(3 [pid 3083] <... futex resumed>) = 0 [pid 3085] <... close resumed>) = 0 [pid 3083] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 306] <... restart_syscall resumed>) = 0 [pid 3086] <... mmap resumed>) = 0x7f85c0c15000 [pid 3085] write(1, "executing program\n", 18 [pid 3083] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3083] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3087] <... futex resumed>) = 0 [pid 3083] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3086] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3085] <... write resumed>) = 18 executing program [pid 3083] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3087] mkdirat(AT_FDCWD, "./config", 0777 [pid 3086] <... mprotect resumed>) = 0 [pid 3085] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3083] <... mmap resumed>) = 0x7f85c0c15000 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3086] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3085] <... futex resumed>) = 0 [pid 3083] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3083] <... mprotect resumed>) = 0 [pid 3087] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3087] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3084] <... futex resumed>) = 0 [pid 3084] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3084] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3088 [pid 3083] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3086] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3085] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3083] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3086] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3085] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3083] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3087] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3085] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3087] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3083] <... clone3 resumed> => {parent_tid=[3089]}, 88) = 3089 [pid 3085] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3083] rt_sigprocmask(SIG_SETMASK, [] [pid 3086] <... clone3 resumed> => {parent_tid=[3090]}, 88) = 3090 [pid 3085] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3083] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3086] rt_sigprocmask(SIG_SETMASK, [] [pid 3085] <... mmap resumed>) = 0x7f85c0c15000 [pid 3084] <... futex resumed>) = 0 [pid 3083] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3086] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3085] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3083] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3088 attached [pid 3087] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3086] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3085] <... mprotect resumed>) = 0 [pid 3084] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3086] <... futex resumed>) = 0 [pid 3085] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3083] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3086] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3085] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3087] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3085] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3084] <... futex resumed>) = 0 [pid 3087] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3084] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3085] <... clone3 resumed> => {parent_tid=[3091]}, 88) = 3091 [pid 3087] <... futex resumed>) = 0 [pid 3085] rt_sigprocmask(SIG_SETMASK, [] [pid 3084] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ci2-android-5-15/strace-static-x86_64: Process 3091 attached ci2-android-5-15/strace-static-x86_64: Process 3089 attached [pid 3085] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3087] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3085] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3084] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3085] <... futex resumed>) = 0 [pid 3087] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3085] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3084] <... futex resumed>) = 0 [pid 3087] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3084] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3087] <... futex resumed>) = 0 [pid 3084] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3087] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3084] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3091] set_robust_list(0x7f85c0c359a0, 24 [pid 3089] set_robust_list(0x7f85c0c359a0, 24 [pid 3087] <... mkdirat resumed>) = 0 [pid 3084] <... futex resumed>) = 0 [pid 3087] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3084] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3087] <... futex resumed>) = 0 [pid 3084] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3091] <... set_robust_list resumed>) = 0 [pid 3089] <... set_robust_list resumed>) = 0 [pid 3087] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3084] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3091] rt_sigprocmask(SIG_SETMASK, [] [pid 3089] rt_sigprocmask(SIG_SETMASK, [] [pid 3087] <... symlinkat resumed>) = 0 [pid 3084] <... futex resumed>) = 0 [pid 3087] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3084] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3087] <... futex resumed>) = 0 [pid 3084] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3088] set_robust_list(0x5555810c5760, 24 [pid 3087] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3084] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3088] <... set_robust_list resumed>) = 0 [pid 3087] <... unlinkat resumed>) = 0 [pid 3084] <... futex resumed>) = 0 [pid 3091] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3089] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3088] rt_sigprocmask(SIG_SETMASK, [] [pid 3087] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3084] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3090 attached [pid 3088] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3087] <... futex resumed>) = 0 [pid 3084] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3090] set_robust_list(0x7f85c0c359a0, 24 [pid 3088] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3087] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3084] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3091] mkdirat(AT_FDCWD, "./config", 0777 [pid 3090] <... set_robust_list resumed>) = 0 [pid 3089] mkdirat(AT_FDCWD, "./config", 0777 [pid 3088] <... prctl resumed>) = 0 [pid 3087] <... unlinkat resumed>) = 0 [pid 3084] <... futex resumed>) = 0 [pid 3090] rt_sigprocmask(SIG_SETMASK, [] [pid 3088] setpgid(0, 0 [pid 3087] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3084] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3090] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3088] <... setpgid resumed>) = 0 [pid 3087] <... futex resumed>) = 0 [pid 3084] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3091] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3090] mkdirat(AT_FDCWD, "./config", 0777 [pid 3089] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3087] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3084] exit_group(0 [pid 3091] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3090] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3089] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3088] <... openat resumed>) = 3 [pid 3087] <... futex resumed>) = ? [pid 3084] <... exit_group resumed>) = ? [pid 3091] <... futex resumed>) = 1 [pid 3090] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3089] <... futex resumed>) = 1 [pid 3088] write(3, "1000", 4 [pid 3087] +++ exited with 0 +++ [pid 3085] <... futex resumed>) = 0 [pid 3084] +++ exited with 0 +++ [pid 3083] <... futex resumed>) = 0 [pid 3091] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3089] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3085] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3083] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3091] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3089] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3085] <... futex resumed>) = 0 [pid 3083] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3084, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 3091] mount(NULL, "./config", "configfs", 0, NULL [pid 3089] mount(NULL, "./config", "configfs", 0, NULL [pid 3085] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3083] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3089] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3091] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3089] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3091] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3090] <... futex resumed>) = 1 [pid 3089] <... futex resumed>) = 1 [pid 3088] <... write resumed>) = 4 [pid 3086] <... futex resumed>) = 0 [pid 3083] <... futex resumed>) = 0 [pid 3091] <... futex resumed>) = 1 [pid 3090] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3089] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3088] close(3 [pid 3086] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3085] <... futex resumed>) = 0 [pid 3083] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3091] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3089] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3088] <... close resumed>) = 0 [pid 3086] <... futex resumed>) = 0 [pid 3085] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... restart_syscall resumed>) = 0 [pid 3083] <... futex resumed>) = 0 [pid 3091] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3090] mount(NULL, "./config", "configfs", 0, NULL [pid 3089] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3088] write(1, "executing program\n", 18 executing program [pid 3086] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3085] <... futex resumed>) = 0 [pid 3083] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3091] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3090] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3089] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3088] <... write resumed>) = 18 [pid 3085] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3091] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3090] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3089] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3088] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3091] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3090] <... futex resumed>) = 1 [pid 3089] <... futex resumed>) = 1 [pid 3088] <... futex resumed>) = 0 [pid 3086] <... futex resumed>) = 0 [pid 3083] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3091] <... futex resumed>) = 1 [pid 3090] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3089] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3088] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3086] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3085] <... futex resumed>) = 0 [pid 3083] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3091] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3089] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3088] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3086] <... futex resumed>) = 0 [pid 3085] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3083] <... futex resumed>) = 0 [pid 3090] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3088] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3086] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3090] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3088] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3091] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3090] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3089] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3088] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3085] <... futex resumed>) = 0 [pid 3083] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3091] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3090] <... futex resumed>) = 1 [pid 3089] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3088] <... mmap resumed>) = 0x7f85c0c15000 [pid 3086] <... futex resumed>) = 0 [pid 3085] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3092 [pid 3091] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3090] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3089] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3088] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3086] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3091] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3089] <... futex resumed>) = 1 [pid 3088] <... mprotect resumed>) = 0 [pid 3086] <... futex resumed>) = 0 [pid 3083] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3091] <... futex resumed>) = 1 [pid 3090] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3089] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3088] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3086] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3085] <... futex resumed>) = 0 [pid 3083] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3091] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3090] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3089] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3088] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3085] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3083] <... futex resumed>) = 0 [pid 3091] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3090] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3089] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3088] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3085] <... futex resumed>) = 0 [pid 3083] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3092 attached [pid 3091] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3090] <... futex resumed>) = 1 [pid 3089] <... mkdirat resumed>) = 0 [pid 3086] <... futex resumed>) = 0 [pid 3085] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3092] set_robust_list(0x5555810c5760, 24 [pid 3091] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3090] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3089] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3088] <... clone3 resumed> => {parent_tid=[3093]}, 88) = 3093 [pid 3086] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3092] <... set_robust_list resumed>) = 0 [pid 3091] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3089] <... futex resumed>) = 1 [pid 3088] rt_sigprocmask(SIG_SETMASK, [] [pid 3086] <... futex resumed>) = 0 [pid 3083] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3093 attached [pid 3092] rt_sigprocmask(SIG_SETMASK, [] [pid 3091] <... futex resumed>) = 1 [pid 3090] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3089] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3088] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3086] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3085] <... futex resumed>) = 0 [pid 3083] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3093] set_robust_list(0x7f85c0c359a0, 24 [pid 3092] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3091] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3090] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3089] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3088] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3085] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3083] <... futex resumed>) = 0 [pid 3093] <... set_robust_list resumed>) = 0 [pid 3092] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3091] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3090] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3089] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3088] <... futex resumed>) = 0 [pid 3085] <... futex resumed>) = 0 [pid 3083] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3092] <... prctl resumed>) = 0 [pid 3091] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3090] <... futex resumed>) = 1 [pid 3089] <... symlinkat resumed>) = 0 [pid 3088] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3086] <... futex resumed>) = 0 [pid 3085] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3092] setpgid(0, 0 [pid 3091] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3090] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3089] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3086] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3092] <... setpgid resumed>) = 0 [pid 3091] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3089] <... futex resumed>) = 1 [pid 3086] <... futex resumed>) = 0 [pid 3083] <... futex resumed>) = 0 [pid 3093] rt_sigprocmask(SIG_SETMASK, [] [pid 3092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3091] <... futex resumed>) = 1 [pid 3090] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3086] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3085] <... futex resumed>) = 0 [pid 3093] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3092] <... openat resumed>) = 3 [pid 3091] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3090] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3089] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3085] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3083] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3092] write(3, "1000", 4 [pid 3091] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3090] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3092] <... write resumed>) = 4 [pid 3091] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3090] <... futex resumed>) = 1 [pid 3089] <... unlinkat resumed>) = 0 [pid 3086] <... futex resumed>) = 0 [pid 3085] <... futex resumed>) = 0 [pid 3083] <... futex resumed>) = 0 [pid 3093] mkdirat(AT_FDCWD, "./config", 0777 [pid 3092] close(3 [pid 3091] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3090] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3089] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3086] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3085] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3083] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3093] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3092] <... close resumed>) = 0 [pid 3091] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3089] <... futex resumed>) = 0 [pid 3086] <... futex resumed>) = 0 [pid 3085] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3083] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3093] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3092] write(1, "executing program\n", 18 [pid 3091] <... futex resumed>) = 0 executing program [pid 3090] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3089] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3086] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3085] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3083] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3093] <... futex resumed>) = 1 [pid 3092] <... write resumed>) = 18 [pid 3091] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3090] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3089] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3088] <... futex resumed>) = 0 [pid 3085] <... futex resumed>) = 0 [pid 3083] <... futex resumed>) = 0 [pid 3093] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3092] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3091] <... unlinkat resumed>) = 0 [pid 3090] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3089] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3088] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3085] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3083] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3093] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3092] <... futex resumed>) = 0 [pid 3091] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3090] <... futex resumed>) = 1 [pid 3089] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3088] <... futex resumed>) = 0 [pid 3086] <... futex resumed>) = 0 [pid 3085] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3093] mount(NULL, "./config", "configfs", 0, NULL [pid 3092] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3091] <... futex resumed>) = 0 [pid 3090] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3089] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3088] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3086] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3085] exit_group(0 [pid 3093] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3092] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3089] <... futex resumed>) = 1 [pid 3091] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3086] <... futex resumed>) = 0 [pid 3085] <... exit_group resumed>) = ? [pid 3091] <... futex resumed>) = ? [pid 3093] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3092] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3091] +++ exited with 0 +++ [pid 3090] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3089] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3086] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3083] <... futex resumed>) = 0 [pid 3092] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3090] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3092] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3090] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3092] <... mmap resumed>) = 0x7f85c0c15000 [pid 3090] <... futex resumed>) = 1 [pid 3086] <... futex resumed>) = 0 [pid 3085] +++ exited with 0 +++ [pid 3092] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3090] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3086] exit_group(0 [pid 3083] exit_group(0 [pid 3093] <... futex resumed>) = 1 [pid 3092] <... mprotect resumed>) = 0 [pid 3090] <... futex resumed>) = ? [pid 3088] <... futex resumed>) = 0 [pid 3086] <... exit_group resumed>) = ? [pid 3089] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 3083] <... exit_group resumed>) = ? [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3085, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 3093] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3092] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3090] +++ exited with 0 +++ [pid 3089] +++ exited with 0 +++ [pid 3088] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3086] +++ exited with 0 +++ [pid 3092] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3088] <... futex resumed>) = 0 [pid 3092] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3088] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3092] <... clone3 resumed> => {parent_tid=[3094]}, 88) = 3094 [pid 3092] rt_sigprocmask(SIG_SETMASK, [] [pid 3083] +++ exited with 0 +++ [pid 3092] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3092] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3093] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3092] <... futex resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3086, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3083, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3093] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3092] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3093] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3093] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3094 attached ) = 1 [pid 3088] <... futex resumed>) = 0 [pid 3093] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3088] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3093] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3088] <... futex resumed>) = 0 [pid 3093] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3088] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3093] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3093] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3094] set_robust_list(0x7f85c0c359a0, 24 [pid 3093] <... futex resumed>) = 1 [pid 3088] <... futex resumed>) = 0 [pid 3093] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3088] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3093] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3088] <... futex resumed>) = 0 [pid 3093] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3088] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3094] <... set_robust_list resumed>) = 0 [pid 3093] <... mkdirat resumed>) = 0 [pid 3094] rt_sigprocmask(SIG_SETMASK, [] [pid 3093] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3094] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3093] <... futex resumed>) = 1 [pid 3088] <... futex resumed>) = 0 [pid 3088] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3093] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3088] <... futex resumed>) = 0 [pid 3088] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3093] <... symlinkat resumed>) = 0 [pid 3093] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3094] mkdirat(AT_FDCWD, "./config", 0777 [pid 3093] <... futex resumed>) = 1 [pid 3088] <... futex resumed>) = 0 [pid 3093] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3088] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3093] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3088] <... futex resumed>) = 0 [pid 3093] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3088] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3094] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3093] <... unlinkat resumed>) = 0 [pid 3094] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3093] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3092] <... futex resumed>) = 0 [pid 3088] <... futex resumed>) = 0 [pid 3093] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3092] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3088] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3093] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3092] <... futex resumed>) = 0 [pid 3088] <... futex resumed>) = 0 [pid 3093] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3092] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3093] <... unlinkat resumed>) = 0 [pid 3088] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3093] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3088] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3093] <... futex resumed>) = 0 [pid 3094] <... futex resumed>) = 1 [pid 3093] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3088] exit_group(0 [pid 3094] mount(NULL, "./config", "configfs", 0, NULL [pid 3088] <... exit_group resumed>) = ? [pid 3093] <... futex resumed>) = ? [pid 3094] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3094] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3092] <... futex resumed>) = 0 [pid 3092] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3092] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3094] <... futex resumed>) = 1 [pid 3094] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3094] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3093] +++ exited with 0 +++ [pid 3088] +++ exited with 0 +++ [pid 3092] <... futex resumed>) = 0 [pid 3092] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... restart_syscall resumed>) = 0 [pid 3092] <... futex resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3088, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3092] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3094] <... futex resumed>) = 1 [pid 3094] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3094] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3094] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3092] <... futex resumed>) = 0 [pid 3092] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3092] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3094] <... futex resumed>) = 1 [pid 3094] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3094] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3095 [pid 3092] <... futex resumed>) = 0 [pid 3092] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3092] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3092] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3094] <... futex resumed>) = 1 [pid 3094] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3094] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3092] <... futex resumed>) = 0 [pid 3092] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3092] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3094] <... futex resumed>) = 1 [pid 3094] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3094] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3092] <... futex resumed>) = 0 [pid 3092] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3092] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3094] <... futex resumed>) = 1 [pid 3094] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 311] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 3094] <... unlinkat resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3095 attached [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3094] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3092] <... futex resumed>) = 0 [pid 3094] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3092] exit_group(0 [pid 3094] <... futex resumed>) = ? [pid 3092] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 3097 attached [pid 3095] set_robust_list(0x5555810c5760, 24 [pid 3094] +++ exited with 0 +++ [pid 3092] +++ exited with 0 +++ [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3096 ci2-android-5-15/strace-static-x86_64: Process 3096 attached [pid 3096] set_robust_list(0x5555810c5760, 24) = 0 [pid 3097] set_robust_list(0x5555810c5760, 24 [pid 3095] <... set_robust_list resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... restart_syscall resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3097 [pid 3096] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3092, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3096] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3096] <... prctl resumed>) = 0 [pid 3096] setpgid(0, 0) = 0 [pid 3096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3096] write(3, "1000", 4 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3098 [pid 3096] <... write resumed>) = 4 [pid 3096] close(3) = 0 [pid 3096] write(1, "executing program\n", 18) = 18 [pid 3096] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3096] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} executing program [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3096] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3096] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3096] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3096] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3096] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3096] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[3100]}, 88) = 3100 ci2-android-5-15/strace-static-x86_64: Process 3099 attached [pid 3097] <... set_robust_list resumed>) = 0 [pid 3095] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3099 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3096] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3096] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3096] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3098 attached [pid 3098] set_robust_list(0x5555810c5760, 24 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3095] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3098] <... set_robust_list resumed>) = 0 [pid 3095] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3098] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3098] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3095] <... prctl resumed>) = 0 [pid 3098] <... prctl resumed>) = 0 [pid 3095] setpgid(0, 0 [pid 3098] setpgid(0, 0) = 0 [pid 3099] set_robust_list(0x5555810c5760, 24 [pid 3097] rt_sigprocmask(SIG_SETMASK, [] [pid 3095] <... setpgid resumed>) = 0 [pid 3098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3098] write(3, "1000", 4) = 4 [pid 3098] close(3 [pid 3095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3098] <... close resumed>) = 0 [pid 3098] write(1, "executing program\n", 18) = 18 [pid 3098] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3098] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} executing program [pid 3095] <... openat resumed>) = 3 [pid 3098] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3098] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3099] <... set_robust_list resumed>) = 0 [pid 3097] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3095] write(3, "1000", 4 [pid 3098] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3095] <... write resumed>) = 4 [pid 3095] close(3) = 0 [pid 3095] write(1, "executing program\n", 18 [pid 3098] <... mmap resumed>) = 0x7f85c0c15000 [pid 3095] <... write resumed>) = 18 executing program [pid 3098] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3095] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3098] <... mprotect resumed>) = 0 [pid 3095] <... futex resumed>) = 0 [pid 3098] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3095] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3098] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3095] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3098] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3095] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3097] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3095] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3098] <... clone3 resumed> => {parent_tid=[3101]}, 88) = 3101 [pid 3095] <... mmap resumed>) = 0x7f85c0c15000 [pid 3097] <... prctl resumed>) = 0 [pid 3095] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3098] rt_sigprocmask(SIG_SETMASK, [] [pid 3095] <... mprotect resumed>) = 0 [pid 3097] setpgid(0, 0 [pid 3098] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3095] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3097] <... setpgid resumed>) = 0 [pid 3095] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3098] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3095] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3098] <... futex resumed>) = 0 [pid 3098] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3095] <... clone3 resumed> => {parent_tid=[3102]}, 88) = 3102 ci2-android-5-15/strace-static-x86_64: Process 3100 attached [pid 3095] rt_sigprocmask(SIG_SETMASK, [] [pid 3097] <... openat resumed>) = 3 [pid 3095] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3095] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3097] write(3, "1000", 4 [pid 3095] <... futex resumed>) = 0 [pid 3100] set_robust_list(0x7f85c0c359a0, 24 [pid 3095] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3097] <... write resumed>) = 4 [pid 3100] <... set_robust_list resumed>) = 0 [pid 3100] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3100] mkdirat(AT_FDCWD, "./config", 0777 [pid 3097] close(3 [pid 3100] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3097] <... close resumed>) = 0 [pid 3099] rt_sigprocmask(SIG_SETMASK, [] [pid 3100] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3096] <... futex resumed>) = 0 [pid 3096] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3096] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3100] <... futex resumed>) = 1 [pid 3100] mount(NULL, "./config", "configfs", 0, NULLci2-android-5-15/strace-static-x86_64: Process 3102 attached ) = -1 EBUSY (Device or resource busy) [pid 3099] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3097] write(1, "executing program\n", 18 [pid 3100] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3096] <... futex resumed>) = 0 [pid 3096] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3096] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3100] <... futex resumed>) = 1 [pid 3100] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) executing program [pid 3100] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3099] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3097] <... write resumed>) = 18 [pid 3099] <... prctl resumed>) = 0 [pid 3099] setpgid(0, 0 [pid 3097] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3096] <... futex resumed>) = 0 [pid 3099] <... setpgid resumed>) = 0 [pid 3097] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3096] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3097] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3096] <... futex resumed>) = 0 [pid 3099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3096] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3097] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3100] <... futex resumed>) = 1 [pid 3097] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3100] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3099] <... openat resumed>) = 3 [pid 3097] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3100] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3099] write(3, "1000", 4 [pid 3097] <... mmap resumed>) = 0x7f85c0c15000 [pid 3100] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3097] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3099] <... write resumed>) = 4 [pid 3097] <... mprotect resumed>) = 0 [pid 3096] <... futex resumed>) = 0 [pid 3099] close(3 [pid 3097] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3096] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3099] <... close resumed>) = 0 [pid 3097] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3096] <... futex resumed>) = 0 [pid 3099] write(1, "executing program\n", 18 [pid 3097] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3096] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3100] <... futex resumed>) = 1 [pid 3100] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3099] <... write resumed>) = 18 executing program ci2-android-5-15/strace-static-x86_64: Process 3103 attached [pid 3100] <... mkdirat resumed>) = 0 [pid 3099] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3102] set_robust_list(0x7f85c0c359a0, 24 [pid 3097] <... clone3 resumed> => {parent_tid=[3103]}, 88) = 3103 [pid 3097] rt_sigprocmask(SIG_SETMASK, [] [pid 3099] <... futex resumed>) = 0 [pid 3097] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3100] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3099] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3097] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3100] <... futex resumed>) = 1 [pid 3099] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3097] <... futex resumed>) = 0 [pid 3096] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3101 attached [pid 3103] set_robust_list(0x7f85c0c359a0, 24 [pid 3102] <... set_robust_list resumed>) = 0 [pid 3100] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3099] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3097] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3096] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3102] rt_sigprocmask(SIG_SETMASK, [] [pid 3100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3099] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3096] <... futex resumed>) = 0 [pid 3102] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3100] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3096] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3099] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3103] <... set_robust_list resumed>) = 0 [pid 3102] mkdirat(AT_FDCWD, "./config", 0777 [pid 3101] set_robust_list(0x7f85c0c359a0, 24 [pid 3100] <... symlinkat resumed>) = 0 [pid 3099] <... mmap resumed>) = 0x7f85c0c15000 [pid 3103] rt_sigprocmask(SIG_SETMASK, [] [pid 3102] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3099] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3102] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3101] <... set_robust_list resumed>) = 0 [pid 3100] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3102] <... futex resumed>) = 1 [pid 3099] <... mprotect resumed>) = 0 [pid 3095] <... futex resumed>) = 0 [pid 3102] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3101] rt_sigprocmask(SIG_SETMASK, [] [pid 3100] <... futex resumed>) = 1 [pid 3096] <... futex resumed>) = 0 [pid 3101] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3100] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3099] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3096] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3095] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3103] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3101] mkdirat(AT_FDCWD, "./config", 0777 [pid 3100] <... unlinkat resumed>) = 0 [pid 3102] <... futex resumed>) = 0 [pid 3099] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3096] <... futex resumed>) = 0 [pid 3095] <... futex resumed>) = 1 [pid 3102] mount(NULL, "./config", "configfs", 0, NULL [pid 3101] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3100] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3099] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3096] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3095] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3103] mkdirat(AT_FDCWD, "./config", 0777 [pid 3102] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3101] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3100] <... futex resumed>) = 0 [pid 3096] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3102] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3101] <... futex resumed>) = 1 [pid 3100] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3098] <... futex resumed>) = 0 [pid 3096] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3102] <... futex resumed>) = 1 [pid 3101] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3099] <... clone3 resumed> => {parent_tid=[3104]}, 88) = 3104 [pid 3098] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3096] <... futex resumed>) = 0 [pid 3095] <... futex resumed>) = 0 [pid 3102] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3103] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3101] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3100] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3099] rt_sigprocmask(SIG_SETMASK, [] [pid 3098] <... futex resumed>) = 0 [pid 3096] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3095] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3103] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3101] mount(NULL, "./config", "configfs", 0, NULL [pid 3100] <... unlinkat resumed>) = 0 [pid 3099] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3098] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3095] <... futex resumed>) = 0 [pid 3103] <... futex resumed>) = 1 [pid 3102] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3101] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3100] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3099] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3097] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3104 attached [pid 3103] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3102] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3101] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3100] <... futex resumed>) = 1 [pid 3099] <... futex resumed>) = 0 [pid 3097] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3096] <... futex resumed>) = 0 [pid 3095] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3103] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3102] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3101] <... futex resumed>) = 1 [pid 3100] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3099] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3098] <... futex resumed>) = 0 [pid 3097] <... futex resumed>) = 0 [pid 3096] exit_group(0 [pid 3095] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3103] mount(NULL, "./config", "configfs", 0, NULL [pid 3102] <... futex resumed>) = 0 [pid 3101] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3100] <... futex resumed>) = ? [pid 3098] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3097] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3096] <... exit_group resumed>) = ? [pid 3095] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3103] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3102] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3101] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3100] +++ exited with 0 +++ [pid 3098] <... futex resumed>) = 0 [pid 3096] +++ exited with 0 +++ [pid 3095] <... futex resumed>) = 0 [pid 3103] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3102] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3101] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3098] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3104] set_robust_list(0x7f85c0c359a0, 24 [pid 3103] <... futex resumed>) = 1 [pid 3102] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3101] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3097] <... futex resumed>) = 0 [pid 3095] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3096, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3104] <... set_robust_list resumed>) = 0 [pid 3103] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3102] <... futex resumed>) = 0 [pid 3101] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3097] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3095] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3104] rt_sigprocmask(SIG_SETMASK, [] [pid 3103] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3102] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3101] <... futex resumed>) = 1 [pid 3098] <... futex resumed>) = 0 [pid 3097] <... futex resumed>) = 0 [pid 3095] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... restart_syscall resumed>) = 0 [pid 3104] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3103] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3101] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3098] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3097] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3095] <... futex resumed>) = 0 [pid 3104] mkdirat(AT_FDCWD, "./config", 0777 [pid 3103] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3102] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3101] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3098] <... futex resumed>) = 0 [pid 3095] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3104] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3103] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3102] <... mkdirat resumed>) = 0 [pid 3101] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3098] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3104] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3103] <... futex resumed>) = 1 [pid 3102] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3101] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3097] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3104] <... futex resumed>) = 1 [pid 3103] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3102] <... futex resumed>) = 1 [pid 3101] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3099] <... futex resumed>) = 0 [pid 3097] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3095] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3104] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3103] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3102] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3101] <... futex resumed>) = 1 [pid 3099] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3098] <... futex resumed>) = 0 [pid 3097] <... futex resumed>) = 0 [pid 3095] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3104] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3103] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3101] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3099] <... futex resumed>) = 0 [pid 3098] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3097] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3095] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3105 attached [pid 3104] mount(NULL, "./config", "configfs", 0, NULL [pid 3103] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3102] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3101] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3099] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3098] <... futex resumed>) = 0 [pid 3095] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3105] set_robust_list(0x5555810c5760, 24 [pid 3104] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3103] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3102] <... symlinkat resumed>) = 0 [pid 3101] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3098] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3105 [pid 3105] <... set_robust_list resumed>) = 0 [pid 3104] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3103] <... futex resumed>) = 1 [pid 3102] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3101] <... futex resumed>) = 0 [pid 3098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3097] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3105] rt_sigprocmask(SIG_SETMASK, [] [pid 3104] <... futex resumed>) = 1 [pid 3103] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3102] <... futex resumed>) = 1 [pid 3101] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3099] <... futex resumed>) = 0 [pid 3098] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3097] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3095] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3105] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3104] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3103] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3102] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3101] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3099] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3098] <... futex resumed>) = 0 [pid 3097] <... futex resumed>) = 0 [pid 3095] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3105] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3104] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3103] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3101] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3099] <... futex resumed>) = 0 [pid 3098] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3097] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3095] <... futex resumed>) = 0 [pid 3105] <... prctl resumed>) = 0 [pid 3104] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3103] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3102] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3101] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3099] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3095] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3105] setpgid(0, 0 [pid 3104] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3103] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3102] <... unlinkat resumed>) = 0 [pid 3101] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3105] <... setpgid resumed>) = 0 [pid 3104] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3103] <... futex resumed>) = 1 [pid 3102] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3101] <... futex resumed>) = 1 [pid 3098] <... futex resumed>) = 0 [pid 3097] <... futex resumed>) = 0 [pid 3105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3104] <... futex resumed>) = 1 [pid 3103] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3102] <... futex resumed>) = 1 [pid 3101] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3099] <... futex resumed>) = 0 [pid 3098] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3097] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3095] <... futex resumed>) = 0 [pid 3105] <... openat resumed>) = 3 [pid 3104] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3103] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3102] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3101] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3099] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3098] <... futex resumed>) = 0 [pid 3097] <... futex resumed>) = 0 [pid 3095] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3105] write(3, "1000", 4 [pid 3104] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3103] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3101] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3099] <... futex resumed>) = 0 [pid 3098] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3097] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3095] <... futex resumed>) = 0 [pid 3105] <... write resumed>) = 4 [pid 3104] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3103] <... symlinkat resumed>) = 0 [pid 3102] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3101] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3099] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3095] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3105] close(3 [pid 3104] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3103] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3102] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3101] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3105] <... close resumed>) = 0 [pid 3104] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3103] <... futex resumed>) = 1 [pid 3102] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3101] <... futex resumed>) = 1 [pid 3098] <... futex resumed>) = 0 [pid 3097] <... futex resumed>) = 0 executing program [pid 3105] write(1, "executing program\n", 18 [pid 3104] <... futex resumed>) = 1 [pid 3103] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3102] <... futex resumed>) = 1 [pid 3101] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3099] <... futex resumed>) = 0 [pid 3098] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3097] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3095] <... futex resumed>) = 0 [pid 3105] <... write resumed>) = 18 [pid 3104] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3103] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3102] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3101] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3099] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3098] <... futex resumed>) = 0 [pid 3097] <... futex resumed>) = 0 [pid 3095] exit_group(0 [pid 3105] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3104] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3103] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3102] <... futex resumed>) = ? [pid 3101] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3099] <... futex resumed>) = 0 [pid 3098] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3097] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3095] <... exit_group resumed>) = ? [pid 3105] <... futex resumed>) = 0 [pid 3104] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3103] <... unlinkat resumed>) = 0 [pid 3102] +++ exited with 0 +++ [pid 3101] <... unlinkat resumed>) = 0 [pid 3099] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3095] +++ exited with 0 +++ [pid 3105] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3101] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3104] <... mkdirat resumed>) = 0 [pid 3103] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3101] <... futex resumed>) = 1 [pid 3098] <... futex resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3095, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3105] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3104] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3103] <... futex resumed>) = 1 [pid 3105] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3101] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3098] exit_group(0 [pid 3097] <... futex resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3105] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3104] <... futex resumed>) = 1 [pid 3103] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3101] <... futex resumed>) = ? [pid 3099] <... futex resumed>) = 0 [pid 3098] <... exit_group resumed>) = ? [pid 3097] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3105] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3104] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3103] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3101] +++ exited with 0 +++ [pid 3099] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3098] +++ exited with 0 +++ [pid 3097] <... futex resumed>) = 0 [pid 3105] <... mmap resumed>) = 0x7f85c0c15000 [pid 3104] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3103] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3099] <... futex resumed>) = 0 [pid 3097] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3105] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3104] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3103] <... unlinkat resumed>) = 0 [pid 3105] <... mprotect resumed>) = 0 [pid 3099] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3098, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 3104] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3103] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3105] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3104] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3105] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3103] <... futex resumed>) = 1 [pid 3097] <... futex resumed>) = 0 [pid 3104] <... futex resumed>) = 1 [pid 3105] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3099] <... futex resumed>) = 0 [pid 3104] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3103] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3097] exit_group(0 [pid 3099] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3097] <... exit_group resumed>) = ? [pid 3105] <... clone3 resumed> => {parent_tid=[3106]}, 88) = 3106 [pid 3104] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3103] <... futex resumed>) = ? [pid 3099] <... futex resumed>) = 0 [pid 3104] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0ci2-android-5-15/strace-static-x86_64: Process 3106 attached [pid 3106] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3106] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3106] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3105] rt_sigprocmask(SIG_SETMASK, [] [pid 3104] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3103] +++ exited with 0 +++ [pid 3099] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3097] +++ exited with 0 +++ [pid 306] <... restart_syscall resumed>) = 0 [pid 3105] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3104] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3099] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3097, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3105] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3104] <... futex resumed>) = 0 [pid 3099] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3105] <... futex resumed>) = 1 [pid 3104] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3099] <... futex resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3105] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3104] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3099] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3104] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3099] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3104] <... futex resumed>) = 0 [pid 3099] exit_group(0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3099] <... exit_group resumed>) = ? [pid 3106] <... futex resumed>) = 0 [pid 3106] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3106] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3106] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3104] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 3107 attached [pid 3107] set_robust_list(0x5555810c5760, 24) = 0 [pid 3107] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3107] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3099] +++ exited with 0 +++ [pid 3107] <... prctl resumed>) = 0 [pid 3105] <... futex resumed>) = 0 [pid 3107] setpgid(0, 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3099, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3105] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3107 [pid 3105] <... futex resumed>) = 1 [pid 3106] <... futex resumed>) = 0 [pid 3105] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3106] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 3106] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3106] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3106] <... futex resumed>) = 1 [pid 3105] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3106] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3105] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3106] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3105] <... futex resumed>) = 0 [pid 3107] <... setpgid resumed>) = 0 [pid 3107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3106] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3105] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3106] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3108 [pid 3106] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3107] write(3, "1000", 4 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3106] <... futex resumed>) = 1 [pid 3105] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3106] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3105] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3106] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3105] <... futex resumed>) = 0 [pid 3106] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3105] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3106] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3107] <... write resumed>) = 4 [pid 3106] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3107] close(3 [pid 3106] <... futex resumed>) = 1 [pid 3105] <... futex resumed>) = 0 [pid 3106] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3105] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3106] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3105] <... futex resumed>) = 0 [pid 3106] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3105] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3107] <... close resumed>) = 0 [pid 3107] write(1, "executing program\n", 18 [pid 3106] <... mkdirat resumed>) = 0 [pid 3107] <... write resumed>) = 18 executing program [pid 3106] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3107] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3106] <... futex resumed>) = 1 [pid 3105] <... futex resumed>) = 0 [pid 3106] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3105] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3106] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3105] <... futex resumed>) = 0 [pid 3107] <... futex resumed>) = 0 [pid 3106] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3105] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3106] <... symlinkat resumed>) = 0 [pid 3107] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3106] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3107] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3106] <... futex resumed>) = 1 [pid 3105] <... futex resumed>) = 0 [pid 3106] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3105] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3106] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3105] <... futex resumed>) = 0 [pid 3106] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3105] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3107] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3106] <... unlinkat resumed>) = 0 [pid 3107] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3106] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3107] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3106] <... futex resumed>) = 1 [pid 3105] <... futex resumed>) = 0 [pid 3107] <... mmap resumed>) = 0x7f85c0c15000 [pid 3106] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3105] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3106] <... unlinkat resumed>) = 0 [pid 3105] <... futex resumed>) = 0 [pid 3106] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3105] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3106] <... futex resumed>) = 0 [pid 3107] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3105] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3107] <... mprotect resumed>) = 0 [pid 3105] exit_group(0 [pid 3106] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3105] <... exit_group resumed>) = ? [pid 3106] <... futex resumed>) = ? [pid 3107] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3107] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[3109]}, 88) = 3109 [pid 3107] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3107] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3106] +++ exited with 0 +++ [pid 3105] +++ exited with 0 +++ [pid 3107] <... futex resumed>) = 0 [pid 3107] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3105, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] <... restart_syscall resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3108 attached [pid 3108] set_robust_list(0x5555810c5760, 24) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 3109 attached [pid 3108] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3108] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3108] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3108] setpgid(0, 0) = 0 [pid 3108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-5-15/strace-static-x86_64: Process 3110 attached [pid 3109] set_robust_list(0x7f85c0c359a0, 24 [pid 3108] <... openat resumed>) = 3 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3110 [pid 3108] write(3, "1000", 4) = 4 [pid 3108] close(3 [pid 3110] set_robust_list(0x5555810c5760, 24 [pid 3109] <... set_robust_list resumed>) = 0 [pid 3108] <... close resumed>) = 0 executing program [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3108] write(1, "executing program\n", 18) = 18 [pid 3108] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3108] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3109] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3108] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3108] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3108] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3108] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3108] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 3108] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[3111]}, 88) = 3111 [pid 3110] <... set_robust_list resumed>) = 0 [pid 3109] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3108] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3108] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3108] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3111 attached [pid 3111] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3111] rt_sigprocmask(SIG_SETMASK, [] [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3111] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3111] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3111] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3108] <... futex resumed>) = 0 [pid 3108] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3108] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3111] <... futex resumed>) = 1 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3112 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3113 [pid 3111] mount(NULL, "./config", "configfs", 0, NULL [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3111] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3111] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3108] <... futex resumed>) = 0 [pid 3108] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3113 attached [pid 3109] mkdirat(AT_FDCWD, "./config", 0777 [pid 3110] rt_sigprocmask(SIG_SETMASK, [] [pid 3108] <... futex resumed>) = 0 [pid 3108] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3111] <... futex resumed>) = 1 [pid 3111] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3109] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3111] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3108] <... futex resumed>) = 0 [pid 3108] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3108] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3111] <... futex resumed>) = 1 [pid 3111] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3111] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3108] <... futex resumed>) = 0 [pid 3108] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3108] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3111] <... futex resumed>) = 1 [pid 3111] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3109] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3107] <... futex resumed>) = 0 [pid 3107] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3109] mount(NULL, "./config", "configfs", 0, NULL [pid 3107] <... futex resumed>) = 0 [pid 3107] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3109] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3110] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3111] <... mkdirat resumed>) = 0 [pid 3111] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3108] <... futex resumed>) = 0 [pid 3108] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3108] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3111] <... futex resumed>) = 1 [pid 3111] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3109] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3113] set_robust_list(0x5555810c5760, 24 [pid 3110] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3109] <... futex resumed>) = 1 [pid 3107] <... futex resumed>) = 0 [pid 3109] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3107] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3107] <... futex resumed>) = 0 [pid 3109] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3107] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3109] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3109] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3107] <... futex resumed>) = 0 [pid 3109] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3107] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3107] <... futex resumed>) = 0 [pid 3109] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3107] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3110] <... prctl resumed>) = 0 [pid 3109] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3109] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3110] setpgid(0, 0 [pid 3109] <... futex resumed>) = 1 [pid 3107] <... futex resumed>) = 0 [pid 3110] <... setpgid resumed>) = 0 [pid 3109] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3107] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3107] <... futex resumed>) = 0 [pid 3110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3109] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3107] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3109] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3110] <... openat resumed>) = 3 [pid 3109] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3110] write(3, "1000", 4 [pid 3107] <... futex resumed>) = 0 [pid 3109] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3107] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3110] <... write resumed>) = 4 [pid 3109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3107] <... futex resumed>) = 0 [pid 3110] close(3 [pid 3109] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3107] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3109] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3110] <... close resumed>) = 0 [pid 3109] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3110] write(1, "executing program\n", 18 [pid 3107] <... futex resumed>) = 0 [pid 3109] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL executing program [pid 3107] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3110] <... write resumed>) = 18 [pid 3109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3107] <... futex resumed>) = 0 [pid 3109] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3107] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3110] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3109] <... unlinkat resumed>) = 0 [pid 3111] <... symlinkat resumed>) = 0 [pid 3110] <... futex resumed>) = 0 [pid 3109] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3111] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3110] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3113] <... set_robust_list resumed>) = 0 [pid 3109] <... futex resumed>) = 1 [pid 3107] <... futex resumed>) = 0 [pid 3110] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3109] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3107] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3113] rt_sigprocmask(SIG_SETMASK, [] [pid 3110] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3107] <... futex resumed>) = 0 [pid 3107] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3113] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3110] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3109] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3108] <... futex resumed>) = 0 [pid 3108] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3109] <... unlinkat resumed>) = 0 [pid 3110] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3108] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3113] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3110] <... mmap resumed>) = 0x7f85c0c15000 [pid 3109] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3110] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3107] <... futex resumed>) = 0 [pid 3113] <... prctl resumed>) = 0 [pid 3109] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3107] exit_group(0 [pid 3113] setpgid(0, 0 [pid 3110] <... mprotect resumed>) = 0 [pid 3109] <... futex resumed>) = ? [pid 3107] <... exit_group resumed>) = ? [pid 3113] <... setpgid resumed>) = 0 [pid 3110] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3109] +++ exited with 0 +++ [pid 3107] +++ exited with 0 +++ [pid 3110] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3111] <... futex resumed>) = 1 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3107, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3110] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3111] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3113] <... openat resumed>) = 3 [pid 3111] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3110] <... clone3 resumed> => {parent_tid=[3114]}, 88) = 3114 [pid 3111] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3113] write(3, "1000", 4 [pid 3110] rt_sigprocmask(SIG_SETMASK, [] [pid 3113] <... write resumed>) = 4 [pid 3111] <... futex resumed>) = 1 [pid 3110] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3108] <... futex resumed>) = 0 [pid 3113] close(3 [pid 3111] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3110] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3108] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3113] <... close resumed>) = 0 [pid 3111] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3110] <... futex resumed>) = 0 [pid 3108] <... futex resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3114 attached [pid 3113] write(1, "executing program\n", 18 [pid 3111] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3110] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} executing program [pid 3108] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3113] <... write resumed>) = 18 [pid 3111] <... futex resumed>) = 0 [pid 3108] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3113] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3111] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3108] exit_group(0 [pid 3111] <... futex resumed>) = ? [pid 3108] <... exit_group resumed>) = ? [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3113] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3112 attached [pid 3114] set_robust_list(0x7f85c0c359a0, 24 [pid 3111] +++ exited with 0 +++ [pid 3108] +++ exited with 0 +++ [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3113] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3113] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3108, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3112] set_robust_list(0x5555810c5760, 24) = 0 [pid 3112] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3113] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3113] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3112] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3115 [pid 304] <... restart_syscall resumed>) = 0 [pid 3112] <... prctl resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3113] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3112] setpgid(0, 0) = 0 [pid 3114] <... set_robust_list resumed>) = 0 [pid 3113] <... mmap resumed>) = 0x7f85c0c15000 [pid 3113] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3113] <... mprotect resumed>) = 0 [pid 3112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3113] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3112] <... openat resumed>) = 3 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3114] rt_sigprocmask(SIG_SETMASK, [] [pid 3112] write(3, "1000", 4) = 4 [pid 3112] close(3) = 0 [pid 3112] write(1, "executing program\n", 18) = 18 [pid 3112] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3112] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 executing program [pid 3113] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3113] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3116 [pid 3112] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3112] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3112] <... mmap resumed>) = 0x7f85c0c15000 [pid 3113] <... clone3 resumed> => {parent_tid=[3117]}, 88) = 3117 [pid 3112] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3113] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3112] <... mprotect resumed>) = 0 [pid 3113] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3112] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3113] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3112] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3117 attached ci2-android-5-15/strace-static-x86_64: Process 3115 attached [pid 3114] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3112] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3115] set_robust_list(0x5555810c5760, 24 [pid 3117] set_robust_list(0x7f85c0c359a0, 24 [pid 3115] <... set_robust_list resumed>) = 0 [pid 3114] mkdirat(AT_FDCWD, "./config", 0777 [pid 3112] <... clone3 resumed> => {parent_tid=[3118]}, 88) = 3118 [pid 3115] rt_sigprocmask(SIG_SETMASK, [] [pid 3112] rt_sigprocmask(SIG_SETMASK, [] [pid 3117] <... set_robust_list resumed>) = 0 [pid 3115] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3114] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3112] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3117] rt_sigprocmask(SIG_SETMASK, [] [pid 3115] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3114] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3112] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3115] <... prctl resumed>) = 0 [pid 3112] <... futex resumed>) = 0 [pid 3115] setpgid(0, 0 [pid 3112] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3115] <... setpgid resumed>) = 0 [pid 3117] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3114] <... futex resumed>) = 1 [pid 3110] <... futex resumed>) = 0 [pid 3115] <... openat resumed>) = 3 [pid 3114] mount(NULL, "./config", "configfs", 0, NULL [pid 3110] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3117] mkdirat(AT_FDCWD, "./config", 0777 [pid 3110] <... futex resumed>) = 0 [pid 3115] write(3, "1000", 4 [pid 3110] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3114] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3115] <... write resumed>) = 4 [pid 3115] close(3 [pid 3114] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3110] <... futex resumed>) = 0 [pid 3114] <... futex resumed>) = 1 [pid 3110] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3115] <... close resumed>) = 0 [pid 3114] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3110] <... futex resumed>) = 0 [pid 3110] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3114] <... mkdirat resumed>) = -1 EEXIST (File exists) ci2-android-5-15/strace-static-x86_64: Process 3116 attached [pid 3115] write(1, "executing program\n", 18 [pid 3116] set_robust_list(0x5555810c5760, 24 [pid 3115] <... write resumed>) = 18 executing program [pid 3114] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3116] <... set_robust_list resumed>) = 0 [pid 3115] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3117] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3116] rt_sigprocmask(SIG_SETMASK, [] [pid 3115] <... futex resumed>) = 0 [pid 3114] <... futex resumed>) = 1 [pid 3110] <... futex resumed>) = 0 [pid 3114] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3110] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3114] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3110] <... futex resumed>) = 0 [pid 3114] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3110] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3114] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3114] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3116] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3115] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3114] <... futex resumed>) = 1 [pid 3110] <... futex resumed>) = 0 [pid 3114] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3110] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3114] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3110] <... futex resumed>) = 0 [pid 3114] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3110] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3116] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3115] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3114] <... mkdirat resumed>) = 0 [pid 3116] <... prctl resumed>) = 0 [pid 3115] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3114] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3116] setpgid(0, 0 [pid 3115] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3116] <... setpgid resumed>) = 0 [pid 3115] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3114] <... futex resumed>) = 1 [pid 3110] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3118 attached [pid 3117] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3115] <... mmap resumed>) = 0x7f85c0c15000 [pid 3114] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3110] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3118] set_robust_list(0x7f85c0c359a0, 24 [pid 3117] <... futex resumed>) = 1 [pid 3116] <... openat resumed>) = 3 [pid 3115] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3114] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3113] <... futex resumed>) = 0 [pid 3118] <... set_robust_list resumed>) = 0 [pid 3117] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3116] write(3, "1000", 4 [pid 3115] <... mprotect resumed>) = 0 [pid 3114] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3113] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3110] <... futex resumed>) = 0 [pid 3118] rt_sigprocmask(SIG_SETMASK, [] [pid 3116] <... write resumed>) = 4 [pid 3115] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3113] <... futex resumed>) = 0 [pid 3110] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3118] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3117] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3116] close(3 [pid 3115] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3114] <... symlinkat resumed>) = 0 [pid 3113] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3118] mkdirat(AT_FDCWD, "./config", 0777 [pid 3117] mount(NULL, "./config", "configfs", 0, NULL [pid 3116] <... close resumed>) = 0 [pid 3115] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3114] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3118] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3116] write(1, "executing program\n", 18 [pid 3114] <... futex resumed>) = 1 [pid 3110] <... futex resumed>) = 0 executing program [pid 3118] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3117] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3116] <... write resumed>) = 18 [pid 3115] <... clone3 resumed> => {parent_tid=[3119]}, 88) = 3119 [pid 3114] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3110] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3119 attached [pid 3118] <... futex resumed>) = 1 [pid 3117] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3116] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3115] rt_sigprocmask(SIG_SETMASK, [] [pid 3114] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3112] <... futex resumed>) = 0 [pid 3110] <... futex resumed>) = 0 [pid 3118] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3117] <... futex resumed>) = 1 [pid 3116] <... futex resumed>) = 0 [pid 3115] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3114] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3113] <... futex resumed>) = 0 [pid 3112] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3110] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3117] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3116] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3115] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3114] <... unlinkat resumed>) = 0 [pid 3113] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3112] <... futex resumed>) = 0 [pid 3118] mount(NULL, "./config", "configfs", 0, NULL [pid 3117] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3116] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3115] <... futex resumed>) = 0 [pid 3114] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3113] <... futex resumed>) = 0 [pid 3112] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3119] set_robust_list(0x7f85c0c359a0, 24 [pid 3118] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3117] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3116] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3115] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3114] <... futex resumed>) = 1 [pid 3113] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3110] <... futex resumed>) = 0 [pid 3119] <... set_robust_list resumed>) = 0 [pid 3118] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3117] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3116] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3114] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3110] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3118] <... futex resumed>) = 1 [pid 3117] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3116] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3114] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3112] <... futex resumed>) = 0 [pid 3110] <... futex resumed>) = 0 [pid 3118] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3117] <... futex resumed>) = 1 [pid 3116] <... mmap resumed>) = 0x7f85c0c15000 [pid 3114] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3113] <... futex resumed>) = 0 [pid 3112] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3110] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3117] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3116] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3112] <... futex resumed>) = 0 [pid 3118] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3117] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3116] <... mprotect resumed>) = 0 [pid 3114] <... unlinkat resumed>) = 0 [pid 3113] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3112] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3118] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3117] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3116] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3114] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3113] <... futex resumed>) = 0 [pid 3118] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3117] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3116] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3114] <... futex resumed>) = 1 [pid 3113] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3110] <... futex resumed>) = 0 [pid 3118] <... futex resumed>) = 1 [pid 3117] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3116] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3114] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3113] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3112] <... futex resumed>) = 0 [pid 3110] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 3120 attached [pid 3119] rt_sigprocmask(SIG_SETMASK, [] [pid 3118] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3117] <... futex resumed>) = 0 [pid 3112] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3117] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3116] <... clone3 resumed> => {parent_tid=[3120]}, 88) = 3120 [pid 3114] <... futex resumed>) = ? [pid 3119] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3113] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3112] <... futex resumed>) = 0 [pid 3110] <... exit_group resumed>) = ? [pid 3119] mkdirat(AT_FDCWD, "./config", 0777 [pid 3118] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3117] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3116] rt_sigprocmask(SIG_SETMASK, [] [pid 3114] +++ exited with 0 +++ [pid 3113] <... futex resumed>) = 0 [pid 3112] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3118] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3116] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3118] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3116] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3118] <... futex resumed>) = 1 [pid 3116] <... futex resumed>) = 0 [pid 3112] <... futex resumed>) = 0 [pid 3110] +++ exited with 0 +++ [pid 3119] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3118] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3117] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3116] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3113] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3112] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3110, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3112] <... futex resumed>) = 0 [pid 3119] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3118] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3117] <... mkdirat resumed>) = 0 [pid 3112] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3119] <... futex resumed>) = 1 [pid 3118] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3117] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3115] <... futex resumed>) = 0 [pid 3119] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3118] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3117] <... futex resumed>) = 1 [pid 3115] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3113] <... futex resumed>) = 0 [pid 3119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3118] <... futex resumed>) = 1 [pid 3117] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3115] <... futex resumed>) = 0 [pid 3113] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3112] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3119] mount(NULL, "./config", "configfs", 0, NULL [pid 3118] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3117] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3115] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3113] <... futex resumed>) = 0 [pid 3112] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3119] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3117] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3113] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3112] <... futex resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3118] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3117] <... symlinkat resumed>) = 0 [pid 3112] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3118] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3118] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3112] <... futex resumed>) = 0 [pid 3118] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3112] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3119] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3117] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3112] <... futex resumed>) = 0 [pid 3118] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3117] <... futex resumed>) = 1 [pid 3115] <... futex resumed>) = 0 [pid 3113] <... futex resumed>) = 0 [pid 3112] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3119] <... futex resumed>) = 1 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3121 [pid 3118] <... unlinkat resumed>) = 0 [pid 3117] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3115] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3113] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3119] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3118] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3117] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3115] <... futex resumed>) = 0 [pid 3113] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3120] set_robust_list(0x7f85c0c359a0, 24 [pid 3119] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3118] <... futex resumed>) = 1 [pid 3117] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3115] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3113] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3112] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3119] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3118] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3117] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3112] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3119] <... futex resumed>) = 1 [pid 3118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3117] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3115] <... futex resumed>) = 0 [pid 3112] <... futex resumed>) = 0 [pid 3119] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3118] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3117] <... futex resumed>) = 1 [pid 3115] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3113] <... futex resumed>) = 0 [pid 3112] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3120] <... set_robust_list resumed>) = 0 [pid 3119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3118] <... unlinkat resumed>) = 0 [pid 3118] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3112] <... futex resumed>) = 0 [pid 3118] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3112] exit_group(0 [pid 3115] <... futex resumed>) = 0 [pid 3119] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3118] <... futex resumed>) = ? [pid 3117] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3113] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3112] <... exit_group resumed>) = ? [pid 3115] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3121 attached [pid 3120] rt_sigprocmask(SIG_SETMASK, [] [pid 3119] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3118] +++ exited with 0 +++ [pid 3117] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3113] <... futex resumed>) = 0 [pid 3112] +++ exited with 0 +++ [pid 3119] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3117] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3113] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3119] <... futex resumed>) = 1 [pid 3117] <... futex resumed>) = 0 [pid 3115] <... futex resumed>) = 0 [pid 3113] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3119] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3117] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3115] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3113] exit_group(0 [pid 3119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3115] <... futex resumed>) = 0 [pid 3113] <... exit_group resumed>) = ? [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3112, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 3119] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3117] <... futex resumed>) = ? [pid 3115] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3121] set_robust_list(0x5555810c5760, 24) = 0 [pid 3121] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3121] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3117] +++ exited with 0 +++ [pid 3113] +++ exited with 0 +++ [pid 3121] <... prctl resumed>) = 0 [pid 3121] setpgid(0, 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3113, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3121] <... setpgid resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3119] <... mkdirat resumed>) = 0 [pid 3121] <... openat resumed>) = 3 [pid 3119] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3121] write(3, "1000", 4 [pid 3120] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3119] <... futex resumed>) = 1 [pid 3115] <... futex resumed>) = 0 [pid 3119] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3115] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3115] <... futex resumed>) = 0 [pid 3119] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3115] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3121] <... write resumed>) = 4 [pid 3120] mkdirat(AT_FDCWD, "./config", 0777 [pid 3119] <... symlinkat resumed>) = 0 [pid 3121] close(3 [pid 3120] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3119] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3121] <... close resumed>) = 0 [pid 3120] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3119] <... futex resumed>) = 1 [pid 3115] <... futex resumed>) = 0 [pid 3119] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3115] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3115] <... futex resumed>) = 0 [pid 3119] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3115] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3121] write(1, "executing program\n", 18 [pid 3120] <... futex resumed>) = 1 executing program [pid 3119] <... unlinkat resumed>) = 0 [pid 3116] <... futex resumed>) = 0 [pid 3121] <... write resumed>) = 18 [pid 3120] mount(NULL, "./config", "configfs", 0, NULL [pid 3119] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3116] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3121] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3120] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3119] <... futex resumed>) = 1 [pid 3116] <... futex resumed>) = 0 [pid 3115] <... futex resumed>) = 0 [pid 3121] <... futex resumed>) = 0 [pid 3120] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3119] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3116] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3115] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3121] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3120] <... futex resumed>) = 0 [pid 3119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3116] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3115] <... futex resumed>) = 0 [pid 3121] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3120] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3119] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3116] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3115] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3121] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3120] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3116] <... futex resumed>) = 0 [pid 3121] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3120] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3119] <... unlinkat resumed>) = 0 [pid 3116] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3121] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3120] <... futex resumed>) = 0 [pid 3119] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3116] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3121] <... mmap resumed>) = 0x7f85c0c15000 [pid 3120] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3119] <... futex resumed>) = 1 [pid 3116] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3115] <... futex resumed>) = 0 [pid 3121] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3120] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3119] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3116] <... futex resumed>) = 0 [pid 3121] <... mprotect resumed>) = 0 [pid 3120] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3116] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3115] exit_group(0 [pid 3121] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3120] <... futex resumed>) = 0 [pid 3116] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3119] <... futex resumed>) = ? [pid 3115] <... exit_group resumed>) = ? [pid 3121] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3120] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3116] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3119] +++ exited with 0 +++ [pid 3120] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3116] <... futex resumed>) = 0 [pid 3120] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3116] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3120] <... mkdirat resumed>) = 0 [pid 3120] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3115] +++ exited with 0 +++ [pid 3120] <... futex resumed>) = 1 [pid 3116] <... futex resumed>) = 0 [pid 3120] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3116] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3121] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3120] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3116] <... futex resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3115, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3120] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3116] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3121] <... clone3 resumed> => {parent_tid=[3122]}, 88) = 3122 [pid 3120] <... symlinkat resumed>) = 0 [pid 3121] rt_sigprocmask(SIG_SETMASK, [] [pid 3120] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3121] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3120] <... futex resumed>) = 1 [pid 3116] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3122 attached [pid 3121] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3120] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3116] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3121] <... futex resumed>) = 0 [pid 3120] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3116] <... futex resumed>) = 0 [pid 3121] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3120] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3116] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3120] <... unlinkat resumed>) = 0 [pid 3120] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3116] <... futex resumed>) = 0 [pid 3120] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3116] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3120] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3116] <... futex resumed>) = 0 [pid 3120] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3116] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3122] set_robust_list(0x7f85c0c359a0, 24 [pid 3120] <... unlinkat resumed>) = 0 [pid 3120] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3116] <... futex resumed>) = 0 [pid 3120] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3122] <... set_robust_list resumed>) = 0 [pid 3116] exit_group(0 [pid 3120] <... futex resumed>) = ? [pid 3116] <... exit_group resumed>) = ? [pid 3122] rt_sigprocmask(SIG_SETMASK, [] [pid 3120] +++ exited with 0 +++ [pid 3116] +++ exited with 0 +++ [pid 312] <... restart_syscall resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 3122] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3116, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3122] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3122] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3122] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3122] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3121] <... futex resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3121] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3123 attached [pid 3123] set_robust_list(0x5555810c5760, 24 [pid 3121] <... futex resumed>) = 1 [pid 304] <... restart_syscall resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3123 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3124 ci2-android-5-15/strace-static-x86_64: Process 3125 attached [pid 3121] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3125 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3125] set_robust_list(0x5555810c5760, 24 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 3124 attached [pid 3125] <... set_robust_list resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3125] rt_sigprocmask(SIG_SETMASK, [] [pid 3124] set_robust_list(0x5555810c5760, 24 [pid 3122] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3122] mount(NULL, "./config", "configfs", 0, NULL [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3125] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3124] <... set_robust_list resumed>) = 0 [pid 3122] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3122] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3122] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3123] <... set_robust_list resumed>) = 0 [pid 3123] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3123] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3121] <... futex resumed>) = 0 [pid 3121] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3126 [pid 3121] <... futex resumed>) = 1 [pid 3122] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3121] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3122] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3122] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3121] <... futex resumed>) = 0 [pid 3122] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3121] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3121] <... futex resumed>) = 0 [pid 3122] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3121] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3122] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3122] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3122] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3121] <... futex resumed>) = 0 [pid 3123] <... prctl resumed>) = 0 [pid 3121] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3123] setpgid(0, 0 [pid 3122] <... futex resumed>) = 0 [pid 3121] <... futex resumed>) = 1 [pid 3122] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3121] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3125] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3122] <... mkdirat resumed>) = 0 [pid 3122] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3121] <... futex resumed>) = 0 [pid 3122] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3121] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3121] <... futex resumed>) = 0 [pid 3122] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3121] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3125] <... prctl resumed>) = 0 [pid 3124] rt_sigprocmask(SIG_SETMASK, [] [pid 3122] <... symlinkat resumed>) = 0 [pid 3123] <... setpgid resumed>) = 0 [pid 3122] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3125] setpgid(0, 0 [pid 3124] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3122] <... futex resumed>) = 1 [pid 3121] <... futex resumed>) = 0 [pid 3125] <... setpgid resumed>) = 0 [pid 3124] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3123] <... openat resumed>) = 3 [pid 3122] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3123] write(3, "1000", 4 [pid 3122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3121] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3123] <... write resumed>) = 4 [pid 3122] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3121] <... futex resumed>) = 0 [pid 3123] close(3 [pid 3122] <... unlinkat resumed>) = 0 [pid 3121] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3123] <... close resumed>) = 0 [pid 3122] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3121] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3123] write(1, "executing program\n", 18 [pid 3122] <... futex resumed>) = 0 executing program [pid 3123] <... write resumed>) = 18 [pid 3122] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3121] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3125] <... openat resumed>) = 3 [pid 3124] <... prctl resumed>) = 0 [pid 3123] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3122] <... unlinkat resumed>) = 0 [pid 3121] <... futex resumed>) = 0 [pid 3125] write(3, "1000", 4 [pid 3123] <... futex resumed>) = 0 [pid 3122] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3121] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3123] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3125] <... write resumed>) = 4 [pid 3124] setpgid(0, 0 [pid 3122] <... futex resumed>) = 0 [pid 3121] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3123] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3122] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3121] exit_group(0 [pid 3125] close(3 [pid 3124] <... setpgid resumed>) = 0 [pid 3123] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3122] <... futex resumed>) = ? [pid 3121] <... exit_group resumed>) = ? [pid 3125] <... close resumed>) = 0 [pid 3123] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3122] +++ exited with 0 +++ [pid 3123] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0ci2-android-5-15/strace-static-x86_64: Process 3126 attached ) = 0x7f85c0c15000 [pid 3126] set_robust_list(0x5555810c5760, 24 [pid 3123] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3126] <... set_robust_list resumed>) = 0 [pid 3123] <... mprotect resumed>) = 0 [pid 3121] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3121, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3125] write(1, "executing program\n", 18 executing program [pid 3124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3125] <... write resumed>) = 18 [pid 3126] rt_sigprocmask(SIG_SETMASK, [] [pid 3125] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3123] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3126] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3125] <... futex resumed>) = 0 [pid 3124] <... openat resumed>) = 3 [pid 3123] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3126] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3125] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3124] write(3, "1000", 4 [pid 3123] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3126] <... prctl resumed>) = 0 [pid 3123] <... clone3 resumed> => {parent_tid=[3127]}, 88) = 3127 [pid 3126] setpgid(0, 0 [pid 3125] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3124] <... write resumed>) = 4 [pid 3123] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3123] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3123] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3127 attached [pid 3126] <... setpgid resumed>) = 0 [pid 3125] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3124] close(3 [pid 3127] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3127] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3127] mkdirat(AT_FDCWD, "./config", 0777 [pid 3125] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3127] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3125] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3124] <... close resumed>) = 0 [pid 3125] <... mmap resumed>) = 0x7f85c0c15000 [pid 3124] write(1, "executing program\n", 18 [pid 3127] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3126] <... openat resumed>) = 3 [pid 3125] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3124] <... write resumed>) = 18 [pid 3127] <... futex resumed>) = 1 [pid 3126] write(3, "1000", 4 [pid 3123] <... futex resumed>) = 0 [pid 3125] <... mprotect resumed>) = 0 [pid 3127] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3126] <... write resumed>) = 4 [pid 3124] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3123] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3126] close(3 [pid 3125] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3124] <... futex resumed>) = 0 [pid 3123] <... futex resumed>) = 0 [pid 3127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3126] <... close resumed>) = 0 [pid 3125] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3124] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3123] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3127] mount(NULL, "./config", "configfs", 0, NULL [pid 3126] write(1, "executing program\n", 18 [pid 3125] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3124] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3127] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3124] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3127] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3126] <... write resumed>) = 18 [pid 3125] <... clone3 resumed> => {parent_tid=[3128]}, 88) = 3128 [pid 3124] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3127] <... futex resumed>) = 1 [pid 3126] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3125] rt_sigprocmask(SIG_SETMASK, [] [pid 3124] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3123] <... futex resumed>) = 0 [pid 3127] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3126] <... futex resumed>) = 0 [pid 3125] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3124] <... mmap resumed>) = 0x7f85c0c15000 [pid 3123] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3126] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3125] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3124] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3123] <... futex resumed>) = 0 [pid 3127] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3126] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3125] <... futex resumed>) = 0 [pid 3123] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3124] <... mprotect resumed>) = 0 executing program executing program [pid 3127] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3126] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3125] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3127] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3126] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3124] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3127] <... futex resumed>) = 1 [pid 3126] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3123] <... futex resumed>) = 0 [pid 3124] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3127] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3126] <... mmap resumed>) = 0x7f85c0c15000 [pid 3123] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3124] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3126] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3123] <... futex resumed>) = 0 [pid 3123] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3127] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3126] <... mprotect resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3128 attached [pid 3128] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3128] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3128] mkdirat(AT_FDCWD, "./config", 0777 [pid 3124] <... clone3 resumed> => {parent_tid=[3129]}, 88) = 3129 [pid 3127] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3126] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3124] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3126] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3127] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3124] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3126] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3127] <... futex resumed>) = 1 [pid 3124] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3123] <... futex resumed>) = 0 [pid 3123] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3128] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3123] <... futex resumed>) = 0 [pid 3128] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3123] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3127] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3128] <... futex resumed>) = 1 [pid 3126] <... clone3 resumed> => {parent_tid=[3130]}, 88) = 3130 [pid 3125] <... futex resumed>) = 0 [pid 3128] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3127] <... mkdirat resumed>) = 0 [pid 3126] rt_sigprocmask(SIG_SETMASK, [] [pid 3125] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3128] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3126] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3127] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3125] <... futex resumed>) = 0 [pid 3128] mount(NULL, "./config", "configfs", 0, NULL [pid 3126] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3125] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3127] <... futex resumed>) = 1 [pid 3126] <... futex resumed>) = 0 [pid 3123] <... futex resumed>) = 0 [pid 3126] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3123] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3127] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3123] <... futex resumed>) = 0 [pid 3128] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3127] <... symlinkat resumed>) = 0 [pid 3123] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3128] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3127] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3128] <... futex resumed>) = 1 [pid 3125] <... futex resumed>) = 0 [pid 3127] <... futex resumed>) = 1 [pid 3125] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3123] <... futex resumed>) = 0 [pid 3127] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3125] <... futex resumed>) = 0 [pid 3123] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3125] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3123] <... futex resumed>) = 0 [pid 3127] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3123] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3128] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3127] <... unlinkat resumed>) = 0 [pid 3128] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3125] <... futex resumed>) = 0 [pid 3127] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3125] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3128] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3125] <... futex resumed>) = 0 [pid 3123] <... futex resumed>) = 0 [pid 3127] <... futex resumed>) = 1 [pid 3125] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3123] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3127] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3123] <... futex resumed>) = 0 [pid 3128] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3123] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3128] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3127] <... unlinkat resumed>) = 0 [pid 3128] <... futex resumed>) = 1 [pid 3127] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3125] <... futex resumed>) = 0 [pid 3127] <... futex resumed>) = 1 [pid 3125] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3123] <... futex resumed>) = 0 [pid 3127] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3125] <... futex resumed>) = 0 [pid 3125] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3123] exit_group(0 [pid 3128] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3127] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 3123] <... exit_group resumed>) = ? [pid 3128] <... mkdirat resumed>) = 0 [pid 3128] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3128] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3125] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3125] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3125] <... futex resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3125] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3128] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3128] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0"ci2-android-5-15/strace-static-x86_64: Process 3129 attached ) = 0 [pid 3129] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3131 [pid 3129] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3129] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3128] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3127] +++ exited with 0 +++ [pid 3123] +++ exited with 0 +++ [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3129] mkdirat(AT_FDCWD, "./config", 0777 [pid 3128] <... futex resumed>) = 1 [pid 3125] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3123, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3125] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3125] <... futex resumed>) = 0 [pid 3129] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3128] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3125] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3131 attached [pid 3129] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3128] <... unlinkat resumed>) = 0 [pid 3131] set_robust_list(0x5555810c5760, 24 [pid 3129] <... futex resumed>) = 1 [pid 3128] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3124] <... futex resumed>) = 0 [pid 3129] mount(NULL, "./config", "configfs", 0, NULL [pid 3128] <... futex resumed>) = 1 [pid 3125] <... futex resumed>) = 0 [pid 3124] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3125] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3124] <... futex resumed>) = 0 [pid 3125] <... futex resumed>) = 0 [pid 3124] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3131] <... set_robust_list resumed>) = 0 [pid 3125] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3129] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3128] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3129] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3128] <... unlinkat resumed>) = 0 [pid 3131] rt_sigprocmask(SIG_SETMASK, [] [pid 3129] <... futex resumed>) = 1 [pid 3128] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3124] <... futex resumed>) = 0 [pid 3129] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3128] <... futex resumed>) = 1 [pid 3125] <... futex resumed>) = 0 [pid 3124] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3125] exit_group(0 [pid 3124] <... futex resumed>) = 0 [pid 3125] <... exit_group resumed>) = ? [pid 312] <... restart_syscall resumed>) = 0 [pid 3124] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3129] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3131] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3129] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3128] +++ exited with 0 +++ [pid 3125] +++ exited with 0 +++ [pid 312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3125, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3129] <... futex resumed>) = 1 [pid 3129] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 3130 attached [pid 3130] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3124] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3132 [pid 3124] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3130] rt_sigprocmask(SIG_SETMASK, [] [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3129] <... futex resumed>) = 0 [pid 3124] <... futex resumed>) = 1 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3130] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3129] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3124] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3130] mkdirat(AT_FDCWD, "./config", 0777 [pid 3129] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3131] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3130] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3129] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3131] <... prctl resumed>) = 0 [pid 3130] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3129] <... futex resumed>) = 1 [pid 3124] <... futex resumed>) = 0 [pid 3131] setpgid(0, 0 [pid 3130] <... futex resumed>) = 1 [pid 3129] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3126] <... futex resumed>) = 0 [pid 3124] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3131] <... setpgid resumed>) = 0 [pid 3130] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3129] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3126] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3124] <... futex resumed>) = 0 [pid 3131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3130] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3129] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3126] <... futex resumed>) = 0 [pid 3124] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3131] <... openat resumed>) = 3 [pid 3130] mount(NULL, "./config", "configfs", 0, NULL [pid 3129] <... mkdirat resumed>) = 0 [pid 3126] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3131] write(3, "1000", 4 [pid 3130] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3129] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3130] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3131] <... write resumed>) = 4 [pid 3129] <... futex resumed>) = 1 [pid 3124] <... futex resumed>) = 0 [pid 3131] close(3 [pid 3130] <... futex resumed>) = 1 [pid 3129] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3126] <... futex resumed>) = 0 [pid 3124] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3130] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3129] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3126] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3124] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3132 attached [pid 3131] <... close resumed>) = 0 [pid 3130] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3129] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3126] <... futex resumed>) = 0 [pid 3124] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3132] set_robust_list(0x5555810c5760, 24 [pid 3131] write(1, "executing program\n", 18 [pid 3130] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3129] <... symlinkat resumed>) = 0 [pid 3126] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3132] <... set_robust_list resumed>) = 0 [pid 3130] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 3129] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3132] rt_sigprocmask(SIG_SETMASK, [] [pid 3131] <... write resumed>) = 18 [pid 3130] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3129] <... futex resumed>) = 1 [pid 3124] <... futex resumed>) = 0 [pid 3132] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3131] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3130] <... futex resumed>) = 1 [pid 3129] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3126] <... futex resumed>) = 0 [pid 3124] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3132] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3131] <... futex resumed>) = 0 [pid 3130] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3129] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3126] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3132] <... prctl resumed>) = 0 [pid 3131] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3130] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3129] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3126] <... futex resumed>) = 0 [pid 3124] <... futex resumed>) = 0 [pid 3132] setpgid(0, 0 [pid 3131] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3130] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3129] <... unlinkat resumed>) = 0 [pid 3126] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3124] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3132] <... setpgid resumed>) = 0 [pid 3131] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3130] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3129] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3124] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3131] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3130] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3129] <... futex resumed>) = 0 [pid 3124] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3132] <... openat resumed>) = 3 [pid 3131] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3130] <... futex resumed>) = 1 [pid 3129] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3126] <... futex resumed>) = 0 [pid 3124] <... futex resumed>) = 0 [pid 3132] write(3, "1000", 4 [pid 3131] <... mmap resumed>) = 0x7f85c0c15000 [pid 3130] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3132] <... write resumed>) = 4 [pid 3129] <... unlinkat resumed>) = 0 [pid 3126] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3124] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3131] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3132] close(3 [pid 3130] <... futex resumed>) = 0 [pid 3129] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3126] <... futex resumed>) = 1 [pid 3124] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3132] <... close resumed>) = 0 [pid 3131] <... mprotect resumed>) = 0 [pid 3130] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3129] <... futex resumed>) = 0 [pid 3126] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3124] exit_group(0 [pid 3132] write(1, "executing program\n", 18 executing program [pid 3131] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3130] <... mkdirat resumed>) = 0 [pid 3124] <... exit_group resumed>) = ? [pid 3129] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3132] <... write resumed>) = 18 [pid 3131] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3130] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3132] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3130] <... futex resumed>) = 1 [pid 3132] <... futex resumed>) = 0 [pid 3130] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3132] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3132] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3132] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3132] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3129] +++ exited with 0 +++ [pid 3124] +++ exited with 0 +++ [pid 3132] <... mprotect resumed>) = 0 [pid 3126] <... futex resumed>) = 0 [pid 3132] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3131] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3126] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3132] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3124, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3132] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3130] <... futex resumed>) = 0 [pid 3126] <... futex resumed>) = 1 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3131] <... clone3 resumed> => {parent_tid=[3133]}, 88) = 3133 [pid 3130] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3126] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3132] <... clone3 resumed> => {parent_tid=[3134]}, 88) = 3134 [pid 3131] rt_sigprocmask(SIG_SETMASK, [] [pid 3132] rt_sigprocmask(SIG_SETMASK, [] [pid 3130] <... symlinkat resumed>) = 0 [pid 3132] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3131] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3130] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3132] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3131] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... restart_syscall resumed>) = 0 [pid 3132] <... futex resumed>) = 0 [pid 3131] <... futex resumed>) = 0 [pid 3130] <... futex resumed>) = 1 [pid 3126] <... futex resumed>) = 0 [pid 3132] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3131] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3130] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3126] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3130] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3126] <... futex resumed>) = 0 [pid 3130] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3126] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3130] <... unlinkat resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3133 attached [pid 3130] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3130] <... futex resumed>) = 1 [pid 3126] <... futex resumed>) = 0 [pid 3133] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3133] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3133] mkdirat(AT_FDCWD, "./config", 0777 [pid 3130] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3126] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3133] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3133] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3130] <... unlinkat resumed>) = 0 [pid 3126] <... futex resumed>) = 0 [pid 3130] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3126] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3135 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3130] <... futex resumed>) = 0 [pid 3126] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3130] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3126] exit_group(0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3126] <... exit_group resumed>) = ? [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3133] <... futex resumed>) = 1 [pid 3133] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 3135 attached [pid 3135] set_robust_list(0x5555810c5760, 24) = 0 [pid 3135] rt_sigprocmask(SIG_SETMASK, [] [pid 3130] <... futex resumed>) = ? [pid 3131] <... futex resumed>) = 0 [pid 3135] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3135] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3135] setpgid(0, 0) = 0 [pid 3135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3130] +++ exited with 0 +++ [pid 3126] +++ exited with 0 +++ [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3136 [pid 3131] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3126, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3133] <... futex resumed>) = 0 [pid 3131] <... futex resumed>) = 1 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3133] mount(NULL, "./config", "configfs", 0, NULL [pid 3131] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3135] <... openat resumed>) = 3 [pid 3133] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3135] write(3, "1000", 4 [pid 3133] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3135] <... write resumed>) = 4 [pid 3133] <... futex resumed>) = 1 [pid 3131] <... futex resumed>) = 0 [pid 3133] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3131] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3133] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3131] <... futex resumed>) = 0 [pid 3133] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3131] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3133] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3135] close(3 [pid 3133] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3135] <... close resumed>) = 0 [pid 3133] <... futex resumed>) = 1 [pid 3131] <... futex resumed>) = 0 [pid 3133] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3131] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3133] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3131] <... futex resumed>) = 0 [pid 3135] write(1, "executing program\n", 18 [pid 3133] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3131] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3135] <... write resumed>) = 18 executing program [pid 3133] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3133] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3135] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3133] <... futex resumed>) = 1 [pid 3131] <... futex resumed>) = 0 [pid 3133] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3131] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3133] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3131] <... futex resumed>) = 0 [pid 3133] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3131] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3135] <... futex resumed>) = 0 [pid 3133] <... mkdirat resumed>) = 0 [pid 3135] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3133] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3135] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3133] <... futex resumed>) = 1 [pid 3131] <... futex resumed>) = 0 [pid 3133] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3131] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3133] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3131] <... futex resumed>) = 0 [pid 3133] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3131] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3134 attached [pid 3135] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3135] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3135] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3133] <... symlinkat resumed>) = 0 [pid 3135] <... mprotect resumed>) = 0 [pid 3133] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3134] set_robust_list(0x7f85c0c359a0, 24 [pid 3133] <... futex resumed>) = 1 [pid 3131] <... futex resumed>) = 0 [pid 3135] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3134] <... set_robust_list resumed>) = 0 [pid 3133] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3131] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3135] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3131] <... futex resumed>) = 0 [pid 3134] rt_sigprocmask(SIG_SETMASK, [] [pid 3133] <... unlinkat resumed>) = 0 [pid 3131] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3134] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3133] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3131] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3134] mkdirat(AT_FDCWD, "./config", 0777 [pid 3133] <... futex resumed>) = 0 [pid 3131] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3133] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3134] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3131] <... futex resumed>) = 0 [pid 3135] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3131] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3134] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3133] <... unlinkat resumed>) = 0 [pid 3135] <... clone3 resumed> => {parent_tid=[3137]}, 88) = 3137 [pid 3133] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3134] <... futex resumed>) = 1 [pid 3133] <... futex resumed>) = 1 [pid 3132] <... futex resumed>) = 0 [pid 3131] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3136 attached [pid 3135] rt_sigprocmask(SIG_SETMASK, [] [pid 3134] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3133] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3132] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3131] exit_group(0 [pid 3136] set_robust_list(0x5555810c5760, 24 [pid 3135] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3134] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3132] <... futex resumed>) = 0 [pid 3131] <... exit_group resumed>) = ? [pid 3133] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 3136] <... set_robust_list resumed>) = 0 [pid 3135] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3132] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3136] rt_sigprocmask(SIG_SETMASK, [] [pid 3135] <... futex resumed>) = 0 [pid 3136] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3135] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3136] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3136] setpgid(0, 0) = 0 [pid 3133] +++ exited with 0 +++ [pid 3131] +++ exited with 0 +++ [pid 3136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3134] mount(NULL, "./config", "configfs", 0, NULL [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3131, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3136] <... openat resumed>) = 3 [pid 3134] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3136] write(3, "1000", 4 [pid 3134] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3136] <... write resumed>) = 4 [pid 3136] close(3) = 0 [pid 3136] write(1, "executing program\n", 18ci2-android-5-15/strace-static-x86_64: Process 3137 attached [pid 3134] <... futex resumed>) = 1 [pid 3132] <... futex resumed>) = 0 executing program [pid 3136] <... write resumed>) = 18 [pid 3132] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3136] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3132] <... futex resumed>) = 0 [pid 3136] <... futex resumed>) = 0 [pid 3134] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3132] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3136] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3136] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3136] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3136] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3137] set_robust_list(0x7f85c0c359a0, 24 [pid 3136] <... mprotect resumed>) = 0 [pid 3134] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3136] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3134] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3136] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3134] <... futex resumed>) = 1 [pid 3132] <... futex resumed>) = 0 [pid 3136] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3134] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3132] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3138 attached [pid 3137] <... set_robust_list resumed>) = 0 [pid 3134] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3132] <... futex resumed>) = 0 [pid 3138] set_robust_list(0x7f85c0c359a0, 24 [pid 3137] rt_sigprocmask(SIG_SETMASK, [] [pid 3136] <... clone3 resumed> => {parent_tid=[3138]}, 88) = 3138 [pid 3132] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... restart_syscall resumed>) = 0 [pid 3136] rt_sigprocmask(SIG_SETMASK, [] [pid 3134] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3137] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3134] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3137] mkdirat(AT_FDCWD, "./config", 0777 [pid 3136] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3136] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3134] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3137] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3136] <... futex resumed>) = 0 [pid 3134] <... futex resumed>) = 1 [pid 3132] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3137] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3136] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3134] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3132] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3137] <... futex resumed>) = 1 [pid 3135] <... futex resumed>) = 0 [pid 3134] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3132] <... futex resumed>) = 0 [pid 3135] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3132] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3135] <... futex resumed>) = 0 [pid 3135] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3134] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3139 [pid 3137] mount(NULL, "./config", "configfs", 0, NULLci2-android-5-15/strace-static-x86_64: Process 3139 attached [pid 3139] set_robust_list(0x5555810c5760, 24 [pid 3134] <... mkdirat resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3134] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3139] <... set_robust_list resumed>) = 0 [pid 3139] rt_sigprocmask(SIG_SETMASK, [] [pid 3137] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3134] <... futex resumed>) = 1 [pid 3132] <... futex resumed>) = 0 [pid 3137] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3134] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3132] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3134] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3137] <... futex resumed>) = 1 [pid 3135] <... futex resumed>) = 0 [pid 3134] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3132] <... futex resumed>) = 0 [pid 3135] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3137] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3135] <... futex resumed>) = 0 [pid 3134] <... symlinkat resumed>) = 0 [pid 3132] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3137] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3135] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3134] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3132] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3134] <... futex resumed>) = 0 [pid 3132] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3137] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3134] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3132] <... futex resumed>) = 0 [pid 3139] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3137] <... futex resumed>) = 1 [pid 3135] <... futex resumed>) = 0 [pid 3134] <... unlinkat resumed>) = 0 [pid 3132] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3137] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3135] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3134] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3135] <... futex resumed>) = 0 [pid 3134] <... futex resumed>) = 0 [pid 3132] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3137] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3135] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3134] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3132] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3137] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3134] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3132] <... futex resumed>) = 0 [pid 3137] <... futex resumed>) = 1 [pid 3135] <... futex resumed>) = 0 [pid 3134] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3132] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3137] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3135] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3134] <... unlinkat resumed>) = 0 [pid 3139] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3135] <... futex resumed>) = 0 [pid 3134] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3139] <... prctl resumed>) = 0 [pid 3137] <... mkdirat resumed>) = 0 [pid 3135] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3134] <... futex resumed>) = 1 [pid 3139] setpgid(0, 0 [pid 3134] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3132] <... futex resumed>) = 0 [pid 3137] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3132] exit_group(0 [pid 3139] <... setpgid resumed>) = 0 [pid 3132] <... exit_group resumed>) = ? [pid 3134] <... futex resumed>) = ? [pid 3137] <... futex resumed>) = 1 [pid 3135] <... futex resumed>) = 0 [pid 3139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3135] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3139] <... openat resumed>) = 3 [pid 3135] <... futex resumed>) = 0 [pid 3139] write(3, "1000", 4 [pid 3135] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3139] <... write resumed>) = 4 [pid 3134] +++ exited with 0 +++ [pid 3132] +++ exited with 0 +++ [pid 3139] close(3) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3132, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3137] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3139] write(1, "executing program\n", 18) = 18 [pid 3137] <... symlinkat resumed>) = 0 [pid 3139] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3137] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3139] <... futex resumed>) = 0 [pid 3137] <... futex resumed>) = 1 [pid 3135] <... futex resumed>) = 0 executing program [pid 3139] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3137] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3135] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3139] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3135] <... futex resumed>) = 0 [pid 3137] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] <... restart_syscall resumed>) = 0 [pid 3139] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3137] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3135] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3139] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3137] <... unlinkat resumed>) = 0 [pid 3137] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3139] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3137] <... futex resumed>) = 1 [pid 3135] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3139] <... mmap resumed>) = 0x7f85c0c15000 [pid 3137] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3135] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3139] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3135] <... futex resumed>) = 0 [pid 3139] <... mprotect resumed>) = 0 [pid 3135] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3139] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3139] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3140 [pid 3137] <... unlinkat resumed>) = 0 [pid 3137] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3137] <... futex resumed>) = 1 [pid 3135] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3137] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3135] exit_group(0) = ? [pid 3137] <... futex resumed>) = ? [pid 3139] <... clone3 resumed> => {parent_tid=[3141]}, 88) = 3141 [pid 3139] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3139] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3139] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3140 attached [pid 3140] set_robust_list(0x5555810c5760, 24) = 0 [pid 3137] +++ exited with 0 +++ [pid 3135] +++ exited with 0 +++ [pid 3140] rt_sigprocmask(SIG_SETMASK, [] [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3135, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3140] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3140] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3138] <... set_robust_list resumed>) = 0 [pid 3140] <... prctl resumed>) = 0 [pid 3140] setpgid(0, 0) = 0 ci2-android-5-15/strace-static-x86_64: Process 3141 attached [pid 3140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3138] rt_sigprocmask(SIG_SETMASK, [] [pid 3140] <... openat resumed>) = 3 [pid 3140] write(3, "1000", 4) = 4 [pid 3140] close(3 [pid 3138] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3140] <... close resumed>) = 0 [pid 3140] write(1, "executing program\n", 18) = 18 executing program [pid 3141] set_robust_list(0x7f85c0c359a0, 24 [pid 3140] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3138] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] <... restart_syscall resumed>) = 0 [pid 3140] <... futex resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 3140] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3138] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3138] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3138] <... futex resumed>) = 1 [pid 3136] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3136] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3136] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3138] mount(NULL, "./config", "configfs", 0, NULL [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3142 [pid 3140] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3140] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3140] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3140] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3143 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3140] <... mprotect resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3138] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3140] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3138] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3140] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3138] <... futex resumed>) = 1 [pid 3136] <... futex resumed>) = 0 [pid 3140] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3138] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3136] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3136] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3138] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3138] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3141] <... set_robust_list resumed>) = 0 [pid 3140] <... clone3 resumed> => {parent_tid=[3144]}, 88) = 3144 [pid 3140] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3142 attached [pid 3141] rt_sigprocmask(SIG_SETMASK, [] [pid 3140] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3138] <... futex resumed>) = 1 [pid 3136] <... futex resumed>) = 0 [pid 3140] <... futex resumed>) = 0 [pid 3136] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3138] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3136] <... futex resumed>) = 0 [pid 3140] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3136] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3138] <... mkdirat resumed>) = -1 EEXIST (File exists) ci2-android-5-15/strace-static-x86_64: Process 3143 attached [pid 3143] set_robust_list(0x5555810c5760, 24) = 0 [pid 3142] set_robust_list(0x5555810c5760, 24 [pid 3141] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3138] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3144 attached [pid 3144] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3144] rt_sigprocmask(SIG_SETMASK, [] [pid 3142] <... set_robust_list resumed>) = 0 [pid 3141] mkdirat(AT_FDCWD, "./config", 0777 [pid 3138] <... futex resumed>) = 1 [pid 3136] <... futex resumed>) = 0 [pid 3138] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3136] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3138] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3136] <... futex resumed>) = 0 [pid 3138] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3136] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3144] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3138] <... mkdirat resumed>) = 0 [pid 3144] mkdirat(AT_FDCWD, "./config", 0777 [pid 3138] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3144] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3138] <... futex resumed>) = 1 [pid 3136] <... futex resumed>) = 0 [pid 3138] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3136] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3138] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3136] <... futex resumed>) = 0 [pid 3138] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3136] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3141] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3144] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3138] <... symlinkat resumed>) = 0 [pid 3141] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3138] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3141] <... futex resumed>) = 1 [pid 3139] <... futex resumed>) = 0 [pid 3138] <... futex resumed>) = 1 [pid 3139] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3138] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3136] <... futex resumed>) = 0 [pid 3141] mount(NULL, "./config", "configfs", 0, NULL [pid 3139] <... futex resumed>) = 0 [pid 3136] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3139] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3138] <... futex resumed>) = 0 [pid 3136] <... futex resumed>) = 1 [pid 3141] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3138] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3136] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3140] <... futex resumed>) = 0 [pid 3138] <... unlinkat resumed>) = 0 [pid 3141] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3140] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3138] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3140] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3141] <... futex resumed>) = 1 [pid 3139] <... futex resumed>) = 0 [pid 3138] <... futex resumed>) = 1 [pid 3136] <... futex resumed>) = 0 [pid 3141] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3139] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3138] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3136] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3139] <... futex resumed>) = 0 [pid 3141] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3139] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3138] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3136] <... futex resumed>) = 0 [pid 3141] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3138] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3136] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3144] <... futex resumed>) = 1 [pid 3144] mount(NULL, "./config", "configfs", 0, NULL [pid 3141] <... futex resumed>) = 1 [pid 3139] <... futex resumed>) = 0 [pid 3138] <... unlinkat resumed>) = 0 [pid 3144] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3141] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3139] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3138] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3144] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3143] rt_sigprocmask(SIG_SETMASK, [] [pid 3142] rt_sigprocmask(SIG_SETMASK, [] [pid 3139] <... futex resumed>) = 0 [pid 3138] <... futex resumed>) = 1 [pid 3136] <... futex resumed>) = 0 [pid 3141] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3139] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3138] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3141] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3139] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3136] exit_group(0 [pid 3139] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3136] <... exit_group resumed>) = ? [pid 3141] <... futex resumed>) = 0 [pid 3139] <... futex resumed>) = 0 [pid 3138] <... futex resumed>) = ? [pid 3139] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3144] <... futex resumed>) = 1 [pid 3140] <... futex resumed>) = 0 [pid 3144] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3140] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3144] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3140] <... futex resumed>) = 0 [pid 3144] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3140] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3144] <... futex resumed>) = 0 [pid 3140] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3144] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3140] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3144] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3140] <... futex resumed>) = 0 [pid 3138] +++ exited with 0 +++ [pid 3141] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3136] +++ exited with 0 +++ [pid 3143] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3142] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3140] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3136, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3144] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3144] <... futex resumed>) = 1 [pid 3140] <... futex resumed>) = 0 [pid 3144] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3140] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3143] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3141] <... mkdirat resumed>) = 0 [pid 3140] <... futex resumed>) = 0 [pid 3142] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3143] <... prctl resumed>) = 0 [pid 3141] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3140] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3144] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3143] setpgid(0, 0 [pid 3142] <... prctl resumed>) = 0 [pid 3141] <... futex resumed>) = 1 [pid 3139] <... futex resumed>) = 0 [pid 3144] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3139] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3144] <... futex resumed>) = 1 [pid 3139] <... futex resumed>) = 0 [pid 3144] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3143] <... setpgid resumed>) = 0 [pid 3142] setpgid(0, 0 [pid 3141] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3140] <... futex resumed>) = 0 [pid 3139] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3144] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3141] <... symlinkat resumed>) = 0 [pid 3140] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3143] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3142] <... setpgid resumed>) = 0 [pid 3141] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3140] <... futex resumed>) = 0 [pid 3144] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3141] <... futex resumed>) = 1 [pid 3140] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3139] <... futex resumed>) = 0 [pid 3144] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3143] <... openat resumed>) = 3 [pid 3142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3141] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3139] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3144] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3141] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3139] <... futex resumed>) = 0 [pid 3144] <... futex resumed>) = 1 [pid 3143] write(3, "1000", 4 [pid 3142] <... openat resumed>) = 3 [pid 3141] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3140] <... futex resumed>) = 0 [pid 3139] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3144] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3143] <... write resumed>) = 4 [pid 3142] write(3, "1000", 4 [pid 3141] <... unlinkat resumed>) = 0 [pid 3140] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3144] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3143] close(3 [pid 3142] <... write resumed>) = 4 [pid 3141] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3140] <... futex resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 3144] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3142] close(3 [pid 3141] <... futex resumed>) = 1 [pid 3140] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3139] <... futex resumed>) = 0 [pid 3143] <... close resumed>) = 0 [pid 3144] <... futex resumed>) = 0 [pid 3142] <... close resumed>) = 0 [pid 3141] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3140] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3139] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3144] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3143] write(1, "executing program\n", 18 [pid 3142] write(1, "executing program\n", 18 [pid 3141] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3140] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3139] <... futex resumed>) = 0 executing program executing program [pid 3144] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3143] <... write resumed>) = 18 [pid 3142] <... write resumed>) = 18 [pid 3141] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3140] <... futex resumed>) = 0 [pid 3139] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3144] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3140] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3144] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3143] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3142] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3141] <... unlinkat resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3144] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3143] <... futex resumed>) = 0 [pid 3142] <... futex resumed>) = 0 [pid 3141] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3144] <... futex resumed>) = 1 [pid 3144] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 3145 attached [pid 3143] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3142] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3141] <... futex resumed>) = 1 [pid 3140] <... futex resumed>) = 0 [pid 3139] <... futex resumed>) = 0 [pid 3145] set_robust_list(0x5555810c5760, 24 [pid 3143] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3142] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3141] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3140] exit_group(0 [pid 3139] exit_group(0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3145 [pid 3145] <... set_robust_list resumed>) = 0 [pid 3144] <... futex resumed>) = ? [pid 3143] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3142] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3141] <... futex resumed>) = ? [pid 3140] <... exit_group resumed>) = ? [pid 3139] <... exit_group resumed>) = ? [pid 3145] rt_sigprocmask(SIG_SETMASK, [] [pid 3144] +++ exited with 0 +++ [pid 3143] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3142] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3141] +++ exited with 0 +++ [pid 3140] +++ exited with 0 +++ [pid 3139] +++ exited with 0 +++ [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3145] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3143] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3142] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3143] <... mmap resumed>) = 0x7f85c0c15000 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3140, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3142] <... mmap resumed>) = 0x7f85c0c15000 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3139, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3145] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3143] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3142] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3145] <... prctl resumed>) = 0 [pid 3143] <... mprotect resumed>) = 0 [pid 3142] <... mprotect resumed>) = 0 [pid 3145] setpgid(0, 0 [pid 3143] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3142] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3145] <... setpgid resumed>) = 0 [pid 3143] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3142] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3143] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3142] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0}ci2-android-5-15/strace-static-x86_64: Process 3147 attached ci2-android-5-15/strace-static-x86_64: Process 3146 attached [pid 3145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3143] <... clone3 resumed> => {parent_tid=[3146]}, 88) = 3146 [pid 3142] <... clone3 resumed> => {parent_tid=[3147]}, 88) = 3147 [pid 3143] rt_sigprocmask(SIG_SETMASK, [] [pid 3145] <... openat resumed>) = 3 [pid 3143] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3142] rt_sigprocmask(SIG_SETMASK, [] [pid 3147] set_robust_list(0x7f85c0c359a0, 24 [pid 3146] set_robust_list(0x7f85c0c359a0, 24 [pid 3145] write(3, "1000", 4 [pid 3143] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3142] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3145] <... write resumed>) = 4 [pid 3143] <... futex resumed>) = 0 [pid 3142] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3147] <... set_robust_list resumed>) = 0 [pid 3146] <... set_robust_list resumed>) = 0 [pid 3145] close(3 [pid 3143] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3142] <... futex resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 3147] rt_sigprocmask(SIG_SETMASK, [] [pid 3146] rt_sigprocmask(SIG_SETMASK, [] [pid 3145] <... close resumed>) = 0 [pid 3142] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3147] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3146] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3145] write(1, "executing program\n", 18) = 18 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3145] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3146] mkdirat(AT_FDCWD, "./config", 0777 [pid 3145] <... futex resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3147] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 3145] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3147] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3146] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3145] <... rt_sigaction resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3148 attached [pid 3148] set_robust_list(0x5555810c5760, 24) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3148 [pid 3145] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3147] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3146] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3145] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3146] <... futex resumed>) = 1 [pid 3145] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3143] <... futex resumed>) = 0 [pid 3142] <... futex resumed>) = 0 [pid 3147] <... futex resumed>) = 1 [pid 3146] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3145] <... mmap resumed>) = 0x7f85c0c15000 [pid 3143] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3147] mount(NULL, "./config", "configfs", 0, NULL [pid 3146] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3145] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3143] <... futex resumed>) = 0 [pid 3142] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3146] mount(NULL, "./config", "configfs", 0, NULL [pid 3145] <... mprotect resumed>) = 0 [pid 3143] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3142] <... futex resumed>) = 0 [pid 3147] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3145] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3142] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3145] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3147] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3146] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3145] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3148] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3146] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3142] <... futex resumed>) = 0 [pid 3147] <... futex resumed>) = 1 [pid 3146] <... futex resumed>) = 1 [pid 3145] <... clone3 resumed> => {parent_tid=[3149]}, 88) = 3149 [pid 3143] <... futex resumed>) = 0 [pid 3142] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3147] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3146] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3145] rt_sigprocmask(SIG_SETMASK, [] [pid 3143] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3142] <... futex resumed>) = 0 [pid 3146] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3145] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3143] <... futex resumed>) = 0 [pid 3147] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3142] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3146] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3145] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3143] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3147] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3146] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3145] <... futex resumed>) = 0 [pid 3146] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3142] <... futex resumed>) = 0 [pid 3147] <... futex resumed>) = 1 [pid 3146] <... futex resumed>) = 1 [pid 3145] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3143] <... futex resumed>) = 0 [pid 3142] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3147] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3146] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3143] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3146] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3143] <... futex resumed>) = 0 [pid 3142] <... futex resumed>) = 0 [pid 3147] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3146] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3143] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3142] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3147] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3146] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3147] <... futex resumed>) = 0 [pid 3146] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3142] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3146] <... futex resumed>) = 1 [pid 3143] <... futex resumed>) = 0 [pid 3142] <... futex resumed>) = 0 [pid 3147] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3146] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3143] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3142] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3146] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3143] <... futex resumed>) = 0 [pid 3143] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3147] <... mkdirat resumed>) = 0 [pid 3146] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3148] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3147] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3146] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3148] <... prctl resumed>) = 0 [pid 3146] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3147] <... futex resumed>) = 1 [pid 3142] <... futex resumed>) = 0 [pid 3147] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3146] <... futex resumed>) = 1 [pid 3143] <... futex resumed>) = 0 [pid 3147] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3146] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3143] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3142] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... restart_syscall resumed>) = 0 [pid 3147] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3146] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3143] <... futex resumed>) = 0 [pid 3142] <... futex resumed>) = 0 [pid 3146] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3143] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3147] <... symlinkat resumed>) = 0 [pid 3142] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3147] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3146] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3147] <... futex resumed>) = 0 [pid 3146] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3142] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3147] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3146] <... futex resumed>) = 1 [pid 3143] <... futex resumed>) = 0 [pid 3142] <... futex resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3147] <... unlinkat resumed>) = 0 [pid 3146] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3143] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3142] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3148] setpgid(0, 0) = 0 [pid 3148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3143] <... futex resumed>) = 0 [pid 3147] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3146] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3143] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3150 [pid 3147] <... futex resumed>) = 1 [pid 3146] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3142] <... futex resumed>) = 0 [pid 3147] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3142] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3147] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3146] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3142] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3147] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3146] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3142] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3149 attached [pid 3148] <... openat resumed>) = 3 [pid 3147] <... unlinkat resumed>) = 0 [pid 3146] <... futex resumed>) = 1 [pid 3143] <... futex resumed>) = 0 [pid 3149] set_robust_list(0x7f85c0c359a0, 24 [pid 3148] write(3, "1000", 4 [pid 3147] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3146] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3143] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3149] <... set_robust_list resumed>) = 0 [pid 3148] <... write resumed>) = 4 [pid 3147] <... futex resumed>) = 1 [pid 3146] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3143] <... futex resumed>) = 0 [pid 3142] <... futex resumed>) = 0 [pid 3149] rt_sigprocmask(SIG_SETMASK, [] [pid 3148] close(3 [pid 3147] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3146] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3143] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3149] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3148] <... close resumed>) = 0 [pid 3146] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3142] exit_group(0 [pid 3149] mkdirat(AT_FDCWD, "./config", 0777 [pid 3148] write(1, "executing program\n", 18 [pid 3146] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3142] <... exit_group resumed>) = ? [pid 3149] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3148] <... write resumed>) = 18 executing program [pid 3147] <... futex resumed>) = ? [pid 3146] <... futex resumed>) = 1 [pid 3143] <... futex resumed>) = 0 [pid 3149] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3148] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3150 attached [pid 3149] <... futex resumed>) = 1 [pid 3148] <... futex resumed>) = 0 [pid 3146] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3145] <... futex resumed>) = 0 [pid 3143] exit_group(0 [pid 3150] set_robust_list(0x5555810c5760, 24 [pid 3149] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3148] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3145] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3143] <... exit_group resumed>) = ? [pid 3146] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 3150] <... set_robust_list resumed>) = 0 [pid 3149] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3148] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3145] <... futex resumed>) = 0 [pid 3150] rt_sigprocmask(SIG_SETMASK, [] [pid 3149] mount(NULL, "./config", "configfs", 0, NULL [pid 3148] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3150] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3149] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3148] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3147] +++ exited with 0 +++ [pid 3146] +++ exited with 0 +++ [pid 3145] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3143] +++ exited with 0 +++ [pid 3142] +++ exited with 0 +++ [pid 3150] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3149] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3148] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3143, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3150] <... prctl resumed>) = 0 [pid 3149] <... futex resumed>) = 0 [pid 3148] <... mmap resumed>) = 0x7f85c0c15000 [pid 3145] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3142, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3150] setpgid(0, 0 [pid 3149] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3148] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3145] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3150] <... setpgid resumed>) = 0 [pid 3149] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3148] <... mprotect resumed>) = 0 [pid 3145] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3149] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3148] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3150] <... openat resumed>) = 3 [pid 3149] <... futex resumed>) = 0 [pid 3148] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3150] write(3, "1000", 4 [pid 3149] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3148] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0}ci2-android-5-15/strace-static-x86_64: Process 3151 attached [pid 3150] <... write resumed>) = 4 [pid 3149] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3145] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3150] close(3 [pid 3149] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3148] <... clone3 resumed> => {parent_tid=[3151]}, 88) = 3151 [pid 3145] <... futex resumed>) = 0 [pid 3151] set_robust_list(0x7f85c0c359a0, 24 [pid 3150] <... close resumed>) = 0 [pid 3149] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3148] rt_sigprocmask(SIG_SETMASK, [] [pid 3145] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3150] write(1, "executing program\n", 18 executing program [pid 3149] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3148] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3151] <... set_robust_list resumed>) = 0 [pid 3150] <... write resumed>) = 18 [pid 3149] <... futex resumed>) = 0 [pid 3148] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3145] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3151] rt_sigprocmask(SIG_SETMASK, [] [pid 3150] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3149] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3148] <... futex resumed>) = 0 [pid 3145] <... futex resumed>) = 0 [pid 3151] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3150] <... futex resumed>) = 0 [pid 3149] <... mkdirat resumed>) = 0 [pid 3148] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3145] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... restart_syscall resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 3150] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3149] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3150] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3149] <... futex resumed>) = 0 [pid 3145] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3150] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3149] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3145] <... futex resumed>) = 0 [pid 3150] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3149] <... symlinkat resumed>) = 0 [pid 3145] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3151] mkdirat(AT_FDCWD, "./config", 0777 [pid 3150] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3149] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3150] <... mmap resumed>) = 0x7f85c0c15000 [pid 3149] <... futex resumed>) = 0 [pid 3145] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3150] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3149] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3145] <... futex resumed>) = 0 [pid 3149] <... unlinkat resumed>) = 0 [pid 3149] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3149] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 3152 attached [pid 3152] set_robust_list(0x5555810c5760, 24) = 0 [pid 3152] rt_sigprocmask(SIG_SETMASK, [] [pid 3145] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3152 [pid 3150] <... mprotect resumed>) = 0 [pid 3145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3145] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3153 [pid 3150] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3149] <... futex resumed>) = 0 [pid 3145] <... futex resumed>) = 1 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3150] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3149] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3145] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3151] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3150] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3149] <... unlinkat resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3149] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3145] <... futex resumed>) = 0 [pid 3149] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3145] exit_group(0 [pid 3149] <... futex resumed>) = ? [pid 3145] <... exit_group resumed>) = ? [pid 3149] +++ exited with 0 +++ [pid 3152] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3152] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3152] setpgid(0, 0) = 0 [pid 3152] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3145] +++ exited with 0 +++ [pid 3152] <... openat resumed>) = 3 [pid 3150] <... clone3 resumed> => {parent_tid=[3154]}, 88) = 3154 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3145, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3152] write(3, "1000", 4 [pid 3150] rt_sigprocmask(SIG_SETMASK, [] [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3152] <... write resumed>) = 4 [pid 3150] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 3152] close(3 [pid 3150] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3152] <... close resumed>) = 0 [pid 3150] <... futex resumed>) = 0 [pid 3152] write(1, "executing program\n", 18 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3150] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3152] <... write resumed>) = 18 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3152] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3152] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 executing program [pid 3152] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3155 [pid 3152] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3152] <... mmap resumed>) = 0x7f85c0c15000 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3152] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITEci2-android-5-15/strace-static-x86_64: Process 3155 attached ci2-android-5-15/strace-static-x86_64: Process 3154 attached ) = 0 [pid 3151] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3152] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3152] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[3156]}, 88) = 3156 [pid 3152] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3152] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3152] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3151] <... futex resumed>) = 1 [pid 3148] <... futex resumed>) = 0 [pid 3148] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3148] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3153 attached [pid 3153] set_robust_list(0x5555810c5760, 24 [pid 3151] mount(NULL, "./config", "configfs", 0, NULL [pid 3155] set_robust_list(0x5555810c5760, 24 [pid 3153] <... set_robust_list resumed>) = 0 [pid 3153] rt_sigprocmask(SIG_SETMASK, [] [pid 3151] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3155] <... set_robust_list resumed>) = 0 [pid 3154] set_robust_list(0x7f85c0c359a0, 24 [pid 3153] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3153] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3155] rt_sigprocmask(SIG_SETMASK, [] [pid 3154] <... set_robust_list resumed>) = 0 [pid 3151] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3156 attached [pid 3156] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3155] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3154] rt_sigprocmask(SIG_SETMASK, [] [pid 3153] setpgid(0, 0 [pid 3151] <... futex resumed>) = 1 [pid 3148] <... futex resumed>) = 0 [pid 3148] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3151] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3148] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3156] rt_sigprocmask(SIG_SETMASK, [] [pid 3151] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3156] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3151] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3148] <... futex resumed>) = 0 [pid 3148] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3148] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3156] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3151] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3156] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3151] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3151] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3152] <... futex resumed>) = 0 [pid 3151] <... futex resumed>) = 1 [pid 3148] <... futex resumed>) = 0 [pid 3152] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3151] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3148] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3155] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3152] <... futex resumed>) = 0 [pid 3151] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3148] <... futex resumed>) = 0 [pid 3155] <... prctl resumed>) = 0 [pid 3152] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3151] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3148] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3151] <... mkdirat resumed>) = 0 [pid 3155] setpgid(0, 0 [pid 3154] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3153] <... setpgid resumed>) = 0 [pid 3151] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3156] <... futex resumed>) = 1 [pid 3155] <... setpgid resumed>) = 0 [pid 3151] <... futex resumed>) = 1 [pid 3148] <... futex resumed>) = 0 [pid 3154] mkdirat(AT_FDCWD, "./config", 0777 [pid 3153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3151] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3148] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3155] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3154] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3151] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3148] <... futex resumed>) = 0 [pid 3153] <... openat resumed>) = 3 [pid 3151] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3148] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3155] <... openat resumed>) = 3 [pid 3154] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3156] mount(NULL, "./config", "configfs", 0, NULL [pid 3151] <... symlinkat resumed>) = 0 [pid 3155] write(3, "1000", 4 [pid 3154] <... futex resumed>) = 1 [pid 3153] write(3, "1000", 4 [pid 3151] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3150] <... futex resumed>) = 0 [pid 3151] <... futex resumed>) = 1 [pid 3155] <... write resumed>) = 4 [pid 3150] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3154] mount(NULL, "./config", "configfs", 0, NULL [pid 3148] <... futex resumed>) = 0 [pid 3155] close(3 [pid 3153] <... write resumed>) = 4 [pid 3151] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3150] <... futex resumed>) = 0 [pid 3148] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3155] <... close resumed>) = 0 [pid 3154] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3153] close(3 [pid 3151] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3150] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3148] <... futex resumed>) = 0 [pid 3156] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3155] write(1, "executing program\n", 18 [pid 3154] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3153] <... close resumed>) = 0 [pid 3151] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3150] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3148] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} executing program [pid 3150] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3155] <... write resumed>) = 18 [pid 3154] <... futex resumed>) = 0 [pid 3153] write(1, "executing program\n", 18 [pid 3151] <... unlinkat resumed>) = 0 [pid 3150] <... futex resumed>) = 0 [pid 3151] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3150] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3155] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 3154] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3153] <... write resumed>) = 18 [pid 3151] <... futex resumed>) = 1 [pid 3148] <... futex resumed>) = 0 [pid 3156] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3155] <... futex resumed>) = 0 [pid 3154] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3151] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3148] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3156] <... futex resumed>) = 1 [pid 3155] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3153] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3152] <... futex resumed>) = 0 [pid 3151] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3154] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3148] <... futex resumed>) = 0 [pid 3156] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3155] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3154] <... futex resumed>) = 1 [pid 3153] <... futex resumed>) = 0 [pid 3152] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3151] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3150] <... futex resumed>) = 0 [pid 3148] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3156] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3155] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3152] <... futex resumed>) = 0 [pid 3150] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3151] <... unlinkat resumed>) = 0 [pid 3156] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3155] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3154] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3153] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3152] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3151] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3150] <... futex resumed>) = 0 [pid 3156] <... futex resumed>) = 0 [pid 3155] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3154] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3153] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3151] <... futex resumed>) = 1 [pid 3150] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3148] <... futex resumed>) = 0 [pid 3156] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3155] <... mmap resumed>) = 0x7f85c0c15000 [pid 3154] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3153] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3152] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3151] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3150] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3148] exit_group(0 [pid 3156] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3155] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3154] <... futex resumed>) = 0 [pid 3153] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3152] <... futex resumed>) = 0 [pid 3151] <... futex resumed>) = ? [pid 3150] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3148] <... exit_group resumed>) = ? [pid 3156] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3155] <... mprotect resumed>) = 0 [pid 3154] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3153] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3152] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3151] +++ exited with 0 +++ [pid 3150] <... futex resumed>) = 0 [pid 3148] +++ exited with 0 +++ [pid 3156] <... futex resumed>) = 0 [pid 3155] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3150] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3153] <... mmap resumed>) = 0x7f85c0c15000 [pid 3156] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3155] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3154] <... mkdirat resumed>) = 0 [pid 3153] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3152] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3148, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3156] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3155] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3154] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3153] <... mprotect resumed>) = 0 [pid 3152] <... futex resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3152] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3157 attached [pid 3157] set_robust_list(0x7f85c0c359a0, 24 [pid 3153] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3156] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3155] <... clone3 resumed> => {parent_tid=[3157]}, 88) = 3157 [pid 3154] <... futex resumed>) = 1 [pid 3150] <... futex resumed>) = 0 [pid 3153] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3156] <... futex resumed>) = 1 [pid 3155] rt_sigprocmask(SIG_SETMASK, [] [pid 3154] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3153] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3152] <... futex resumed>) = 0 [pid 3150] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3156] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3155] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3152] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3150] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3158 attached [pid 3156] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3155] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3154] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3152] <... futex resumed>) = 0 [pid 3150] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3158] set_robust_list(0x7f85c0c359a0, 24 [pid 3156] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3155] <... futex resumed>) = 0 [pid 3152] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3158] <... set_robust_list resumed>) = 0 [pid 3156] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3155] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3154] <... symlinkat resumed>) = 0 [pid 3153] <... clone3 resumed> => {parent_tid=[3158]}, 88) = 3158 [pid 3158] rt_sigprocmask(SIG_SETMASK, [] [pid 3156] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3154] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3153] rt_sigprocmask(SIG_SETMASK, [] [pid 3158] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3156] <... futex resumed>) = 1 [pid 3154] <... futex resumed>) = 1 [pid 3153] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3152] <... futex resumed>) = 0 [pid 3150] <... futex resumed>) = 0 [pid 3158] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3156] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3154] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3153] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3152] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3150] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... restart_syscall resumed>) = 0 [pid 3158] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3156] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3153] <... futex resumed>) = 0 [pid 3152] <... futex resumed>) = 0 [pid 3150] <... futex resumed>) = 0 [pid 3156] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3154] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3153] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3152] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3150] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3158] mkdirat(AT_FDCWD, "./config", 0777 [pid 3156] <... unlinkat resumed>) = 0 [pid 3154] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3158] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3156] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3154] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3158] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3156] <... futex resumed>) = 1 [pid 3154] <... futex resumed>) = 1 [pid 3152] <... futex resumed>) = 0 [pid 3150] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3158] <... futex resumed>) = 1 [pid 3156] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3154] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3153] <... futex resumed>) = 0 [pid 3152] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3150] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3158] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3156] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3153] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3152] <... futex resumed>) = 0 [pid 3150] <... futex resumed>) = 0 [pid 3157] <... set_robust_list resumed>) = 0 [pid 3150] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3152] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3158] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3157] rt_sigprocmask(SIG_SETMASK, [] [pid 3156] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3154] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3153] <... futex resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3159 [pid 3158] mount(NULL, "./config", "configfs", 0, NULL [pid 3157] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3156] <... unlinkat resumed>) = 0 [pid 3153] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3154] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3156] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3154] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3157] mkdirat(AT_FDCWD, "./config", 0777 [pid 3156] <... futex resumed>) = 1 [pid 3154] <... futex resumed>) = 1 [pid 3152] <... futex resumed>) = 0 [pid 3150] <... futex resumed>) = 0 [pid 3156] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3154] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3152] exit_group(0 [pid 3150] exit_group(0 [pid 3158] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3157] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3152] <... exit_group resumed>) = ? [pid 3150] <... exit_group resumed>) = ? [pid 3154] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 3158] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3157] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3156] <... futex resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 3159 attached [pid 3159] set_robust_list(0x5555810c5760, 24) = 0 [pid 3154] +++ exited with 0 +++ [pid 3150] +++ exited with 0 +++ [pid 3159] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3156] +++ exited with 0 +++ [pid 3152] +++ exited with 0 +++ [pid 3159] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3158] <... futex resumed>) = 1 [pid 3157] <... futex resumed>) = 1 [pid 3155] <... futex resumed>) = 0 [pid 3153] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3152, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3150, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3155] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3153] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3155] <... futex resumed>) = 0 [pid 3153] <... futex resumed>) = 0 [pid 3155] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3153] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3159] <... prctl resumed>) = 0 [pid 3159] setpgid(0, 0) = 0 [pid 3159] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3158] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3157] mount(NULL, "./config", "configfs", 0, NULL [pid 3159] <... openat resumed>) = 3 [pid 3159] write(3, "1000", 4 [pid 3157] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3159] <... write resumed>) = 4 [pid 3157] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... restart_syscall resumed>) = 0 [pid 3159] close(3 [pid 3157] <... futex resumed>) = 1 [pid 3155] <... futex resumed>) = 0 [pid 3159] <... close resumed>) = 0 [pid 3157] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3155] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3159] write(1, "executing program\n", 18 [pid 3155] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3157] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3155] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 3157] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3157] <... futex resumed>) = 1 [pid 3155] <... futex resumed>) = 0 [pid 3159] <... write resumed>) = 18 [pid 3159] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3159] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3155] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3157] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3155] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3160 [pid 3158] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] executing program [pid 3155] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3158] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3157] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3159] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3159] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3159] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3159] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3157] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3153] <... futex resumed>) = 0 [pid 3158] <... futex resumed>) = 1 [pid 3159] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3155] <... futex resumed>) = 0 [pid 3153] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3161 [pid 3157] <... futex resumed>) = 1 [pid 3158] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777ci2-android-5-15/strace-static-x86_64: Process 3160 attached [pid 3159] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3155] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3153] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3158] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3157] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3155] <... futex resumed>) = 0 [pid 3153] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3159] <... clone3 resumed> => {parent_tid=[3162]}, 88) = 3162 [pid 3155] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3159] rt_sigprocmask(SIG_SETMASK, [] [pid 3160] set_robust_list(0x5555810c5760, 24 [pid 3159] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3158] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3157] <... mkdirat resumed>) = 0 [pid 3160] <... set_robust_list resumed>) = 0 [pid 3159] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3160] rt_sigprocmask(SIG_SETMASK, [] [pid 3159] <... futex resumed>) = 0 [pid 3158] <... futex resumed>) = 1 [pid 3157] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3153] <... futex resumed>) = 0 [pid 3160] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3159] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3160] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3160] setpgid(0, 0) = 0 [pid 3153] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3158] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3157] <... futex resumed>) = 1 [pid 3155] <... futex resumed>) = 0 [pid 3153] <... futex resumed>) = 0 [pid 3157] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3155] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3153] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3158] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3155] <... futex resumed>) = 0 [pid 3157] <... symlinkat resumed>) = 0 [pid 3155] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3158] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3157] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3158] <... futex resumed>) = 1 [pid 3157] <... futex resumed>) = 1 [pid 3155] <... futex resumed>) = 0 [pid 3153] <... futex resumed>) = 0 [pid 3160] write(3, "1000", 4 [pid 3158] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3157] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3155] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3153] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3155] <... futex resumed>) = 0 [pid 3153] <... futex resumed>) = 0 [pid 3158] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3157] <... unlinkat resumed>) = 0 [pid 3155] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3153] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3160] <... write resumed>) = 4 [pid 3158] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3157] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3161 attached ) = 1 [pid 3160] close(3 [pid 3158] <... symlinkat resumed>) = 0 [pid 3155] <... futex resumed>) = 0 [pid 3160] <... close resumed>) = 0 [pid 3158] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3157] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3155] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3157] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3155] <... futex resumed>) = 0 [pid 3153] <... futex resumed>) = 0 [pid 3158] <... futex resumed>) = 1 [pid 3160] write(1, "executing program\n", 18 executing program [pid 3157] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3158] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3155] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3153] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3160] <... write resumed>) = 18 [pid 3157] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3153] <... futex resumed>) = 0 [pid 3158] <... unlinkat resumed>) = 0 [pid 3153] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3160] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3158] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3157] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3153] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3160] <... futex resumed>) = 0 [pid 3158] <... futex resumed>) = 0 [pid 3157] <... futex resumed>) = 1 [pid 3155] <... futex resumed>) = 0 [pid 3153] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3155] exit_group(0 [pid 3160] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3158] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3153] <... futex resumed>) = 0 [pid 3155] <... exit_group resumed>) = ? [pid 3153] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3162 attached [pid 3161] set_robust_list(0x5555810c5760, 24 [pid 3162] set_robust_list(0x7f85c0c359a0, 24 [pid 3161] <... set_robust_list resumed>) = 0 [pid 3162] <... set_robust_list resumed>) = 0 [pid 3161] rt_sigprocmask(SIG_SETMASK, [] [pid 3158] <... unlinkat resumed>) = 0 [pid 3162] rt_sigprocmask(SIG_SETMASK, [] [pid 3161] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3162] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3161] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3162] mkdirat(AT_FDCWD, "./config", 0777 [pid 3161] <... prctl resumed>) = 0 [pid 3158] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3157] +++ exited with 0 +++ [pid 3155] +++ exited with 0 +++ [pid 3162] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3161] setpgid(0, 0 [pid 3160] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3153] <... futex resumed>) = 0 [pid 3162] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3161] <... setpgid resumed>) = 0 [pid 3160] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3158] <... futex resumed>) = 1 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3155, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3153] exit_group(0 [pid 3162] <... futex resumed>) = 1 [pid 3161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3160] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3159] <... futex resumed>) = 0 [pid 3153] <... exit_group resumed>) = ? [pid 3158] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3158] <... futex resumed>) = ? [pid 3162] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3161] <... openat resumed>) = 3 [pid 3160] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3159] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3161] write(3, "1000", 4 [pid 3159] <... futex resumed>) = 0 [pid 3162] mount(NULL, "./config", "configfs", 0, NULL [pid 3161] <... write resumed>) = 4 [pid 3159] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3162] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3161] close(3 [pid 3162] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3161] <... close resumed>) = 0 [pid 3162] <... futex resumed>) = 1 [pid 3161] write(1, "executing program\n", 18 [pid 3159] <... futex resumed>) = 0 [pid 3158] +++ exited with 0 +++ [pid 3153] +++ exited with 0 +++ [pid 3160] <... mmap resumed>) = 0x7f85c0c15000 executing program [pid 3162] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3161] <... write resumed>) = 18 [pid 3160] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3159] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3161] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3160] <... mprotect resumed>) = 0 [pid 3159] <... futex resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3153, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3162] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3161] <... futex resumed>) = 0 [pid 3160] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3159] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3162] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3161] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3160] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3162] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3161] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3160] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3162] <... futex resumed>) = 1 [pid 3161] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3159] <... futex resumed>) = 0 [pid 3162] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3161] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3159] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... restart_syscall resumed>) = 0 [pid 3162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3161] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3160] <... clone3 resumed> => {parent_tid=[3163]}, 88) = 3163 [pid 3159] <... futex resumed>) = 0 [pid 3162] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3161] <... mmap resumed>) = 0x7f85c0c15000 [pid 3160] rt_sigprocmask(SIG_SETMASK, [] [pid 3159] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3162] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3161] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3160] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3162] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3161] <... mprotect resumed>) = 0 [pid 3160] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3162] <... futex resumed>) = 1 [pid 3161] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3160] <... futex resumed>) = 0 [pid 3159] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3162] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3161] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3160] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3159] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3161] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3159] <... futex resumed>) = 0 [pid 3162] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3159] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3165 attached ci2-android-5-15/strace-static-x86_64: Process 3164 attached [pid 3162] <... mkdirat resumed>) = 0 [pid 3161] <... clone3 resumed> => {parent_tid=[3164]}, 88) = 3164 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3165 [pid 306] <... restart_syscall resumed>) = 0 [pid 3162] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3161] rt_sigprocmask(SIG_SETMASK, [] [pid 3159] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3162] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3161] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3159] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3161] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3159] <... futex resumed>) = 0 [pid 3165] set_robust_list(0x5555810c5760, 24 [pid 3164] set_robust_list(0x7f85c0c359a0, 24 [pid 3162] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3161] <... futex resumed>) = 0 [pid 3159] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3165] <... set_robust_list resumed>) = 0 [pid 3164] <... set_robust_list resumed>) = 0 [pid 3162] <... symlinkat resumed>) = 0 [pid 3161] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3162] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3162] <... futex resumed>) = 1 [pid 3159] <... futex resumed>) = 0 [pid 3162] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3159] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3159] <... futex resumed>) = 0 [pid 3162] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3159] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3162] <... unlinkat resumed>) = 0 [pid 3162] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3159] <... futex resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3166 [pid 3162] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3159] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3159] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3162] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3159] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3165] rt_sigprocmask(SIG_SETMASK, [] [pid 3164] rt_sigprocmask(SIG_SETMASK, [] [pid 3162] <... unlinkat resumed>) = 0 [pid 3162] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3165] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3164] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3162] <... futex resumed>) = 1 [pid 3159] <... futex resumed>) = 0 [pid 3162] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3159] exit_group(0 [pid 3162] <... futex resumed>) = ? [pid 3159] <... exit_group resumed>) = ? [pid 3165] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3164] mkdirat(AT_FDCWD, "./config", 0777 [pid 3162] +++ exited with 0 +++ [pid 3159] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 3163 attached [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3159, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3163] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3163] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3164] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3163] mkdirat(AT_FDCWD, "./config", 0777 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3163] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3163] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3160] <... futex resumed>) = 0 [pid 3163] mount(NULL, "./config", "configfs", 0, NULL [pid 3160] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3163] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3160] <... futex resumed>) = 0 [pid 3163] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3160] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3167 [pid 3165] <... prctl resumed>) = 0 [pid 3164] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3163] <... futex resumed>) = 0 [pid 3160] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3163] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3160] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3165] setpgid(0, 0 [pid 3164] <... futex resumed>) = 1 [pid 3163] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3161] <... futex resumed>) = 0 [pid 3160] <... futex resumed>) = 0 [pid 3165] <... setpgid resumed>) = 0 [pid 3164] mount(NULL, "./config", "configfs", 0, NULL [pid 3163] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3161] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3160] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3166 attached [pid 3164] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3163] <... futex resumed>) = 0 [pid 3161] <... futex resumed>) = 0 [pid 3160] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3166] set_robust_list(0x5555810c5760, 24 [pid 3165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3164] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3163] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3161] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3160] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3166] <... set_robust_list resumed>) = 0 [pid 3164] <... futex resumed>) = 0 [pid 3163] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3161] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3165] <... openat resumed>) = 3 [pid 3160] <... futex resumed>) = 0 [pid 3166] rt_sigprocmask(SIG_SETMASK, [] [pid 3165] write(3, "1000", 4 [pid 3164] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3163] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3161] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3160] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3166] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3163] <... futex resumed>) = 0 [pid 3160] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3166] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3165] <... write resumed>) = 4 [pid 3164] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3163] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3161] <... futex resumed>) = 0 [pid 3160] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3166] <... prctl resumed>) = 0 [pid 3165] close(3 [pid 3164] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3163] <... mkdirat resumed>) = 0 [pid 3161] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3160] <... futex resumed>) = 0 [pid 3164] <... futex resumed>) = 0 [pid 3163] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3161] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3160] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3166] setpgid(0, 0 [pid 3165] <... close resumed>) = 0 [pid 3164] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3163] <... futex resumed>) = 0 [pid 3161] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3160] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3166] <... setpgid resumed>) = 0 [pid 3165] write(1, "executing program\n", 18 [pid 3164] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3163] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3161] <... futex resumed>) = 0 [pid 3160] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3167 attached executing program [pid 3166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3165] <... write resumed>) = 18 [pid 3164] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3163] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3161] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3160] <... futex resumed>) = 0 [pid 3167] set_robust_list(0x5555810c5760, 24 [pid 3166] <... openat resumed>) = 3 [pid 3165] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3164] <... futex resumed>) = 0 [pid 3163] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3161] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3160] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3167] <... set_robust_list resumed>) = 0 [pid 3166] write(3, "1000", 4 [pid 3165] <... futex resumed>) = 0 [pid 3164] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3163] <... symlinkat resumed>) = 0 [pid 3161] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3167] rt_sigprocmask(SIG_SETMASK, [] [pid 3166] <... write resumed>) = 4 [pid 3165] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3164] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3163] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3161] <... futex resumed>) = 0 [pid 3167] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3166] close(3 [pid 3165] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3164] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3163] <... futex resumed>) = 1 [pid 3160] <... futex resumed>) = 0 [pid 3161] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3167] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3166] <... close resumed>) = 0 [pid 3165] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3164] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3163] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3160] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3167] <... prctl resumed>) = 0 [pid 3166] write(1, "executing program\n", 18 [pid 3165] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3164] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3163] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 3160] <... futex resumed>) = 0 [pid 3167] setpgid(0, 0 [pid 3166] <... write resumed>) = 18 [pid 3165] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3164] <... futex resumed>) = 1 [pid 3163] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3161] <... futex resumed>) = 0 [pid 3160] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3167] <... setpgid resumed>) = 0 [pid 3166] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3165] <... mmap resumed>) = 0x7f85c0c15000 [pid 3164] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3163] <... unlinkat resumed>) = 0 [pid 3161] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3166] <... futex resumed>) = 0 [pid 3165] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3164] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3163] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3161] <... futex resumed>) = 0 [pid 3167] <... openat resumed>) = 3 [pid 3166] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3165] <... mprotect resumed>) = 0 [pid 3164] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3163] <... futex resumed>) = 1 [pid 3161] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3160] <... futex resumed>) = 0 [pid 3167] write(3, "1000", 4 [pid 3166] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3165] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3163] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3160] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3167] <... write resumed>) = 4 [pid 3166] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3165] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3164] <... symlinkat resumed>) = 0 [pid 3163] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3160] <... futex resumed>) = 0 [pid 3167] close(3 [pid 3166] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3165] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3164] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3163] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3160] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3167] <... close resumed>) = 0 [pid 3166] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3164] <... futex resumed>) = 1 [pid 3163] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3161] <... futex resumed>) = 0 [pid 3167] write(1, "executing program\n", 18 [pid 3166] <... mmap resumed>) = 0x7f85c0c15000 executing program [pid 3165] <... clone3 resumed> => {parent_tid=[3168]}, 88) = 3168 [pid 3164] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3163] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3161] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3167] <... write resumed>) = 18 [pid 3166] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3165] rt_sigprocmask(SIG_SETMASK, [] [pid 3164] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3163] <... futex resumed>) = 1 [pid 3161] <... futex resumed>) = 0 [pid 3160] <... futex resumed>) = 0 [pid 3167] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3166] <... mprotect resumed>) = 0 [pid 3165] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3164] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3163] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3161] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3160] exit_group(0 [pid 3167] <... futex resumed>) = 0 [pid 3166] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3165] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3164] <... unlinkat resumed>) = 0 [pid 3163] <... futex resumed>) = ? [pid 3160] <... exit_group resumed>) = ? [pid 3167] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3166] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3165] <... futex resumed>) = 0 [pid 3164] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3163] +++ exited with 0 +++ [pid 3167] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3167] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3167] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3167] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3167] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3160] +++ exited with 0 +++ [pid 3167] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3166] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3165] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3164] <... futex resumed>) = 1 [pid 3161] <... futex resumed>) = 0 [pid 3167] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3164] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3161] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3160, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3166] <... clone3 resumed> => {parent_tid=[3169]}, 88) = 3169 [pid 3164] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3161] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3167] <... clone3 resumed> => {parent_tid=[3170]}, 88) = 3170 [pid 3166] rt_sigprocmask(SIG_SETMASK, [] [pid 3164] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3161] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3167] rt_sigprocmask(SIG_SETMASK, [] [pid 3166] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3167] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3167] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3164] <... unlinkat resumed>) = 0 [pid 3167] <... futex resumed>) = 0 [pid 3166] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3164] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3167] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3166] <... futex resumed>) = 0 [pid 3164] <... futex resumed>) = 1 [pid 3161] <... futex resumed>) = 0 [pid 3166] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3164] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3161] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 3168 attached [pid 3164] <... futex resumed>) = ? [pid 3161] <... exit_group resumed>) = ? [pid 3168] set_robust_list(0x7f85c0c359a0, 24 [pid 3164] +++ exited with 0 +++ [pid 3168] <... set_robust_list resumed>) = 0 [pid 3168] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3168] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3168] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3161] +++ exited with 0 +++ [pid 3168] <... futex resumed>) = 1 [pid 3165] <... futex resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3161, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3165] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3165] <... futex resumed>) = 0 [pid 3168] mount(NULL, "./config", "configfs", 0, NULL [pid 3165] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3168] <... mount resumed>) = -1 EBUSY (Device or resource busy) ci2-android-5-15/strace-static-x86_64: Process 3170 attached [pid 3168] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3165] <... futex resumed>) = 0 [pid 3168] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3165] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3168] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3165] <... futex resumed>) = 0 [pid 3168] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3165] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 3168] <... futex resumed>) = 0 [pid 3165] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3168] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3165] <... futex resumed>) = 0 [pid 3168] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3165] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3168] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3165] <... futex resumed>) = 0 [pid 3168] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3165] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3170] set_robust_list(0x7f85c0c359a0, 24 [pid 3168] <... mkdirat resumed>) = 0 [pid 3165] <... futex resumed>) = 0 [pid 3168] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3165] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3168] <... futex resumed>) = 0 [pid 3165] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3168] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3165] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3170] <... set_robust_list resumed>) = 0 [pid 3168] <... symlinkat resumed>) = 0 [pid 3165] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3169 attached [pid 3168] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3165] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3169] set_robust_list(0x7f85c0c359a0, 24 [pid 3168] <... futex resumed>) = 0 [pid 3165] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3170] rt_sigprocmask(SIG_SETMASK, [] [pid 3169] <... set_robust_list resumed>) = 0 [pid 3168] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3165] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... restart_syscall resumed>) = 0 [pid 3165] <... futex resumed>) = 0 [pid 3170] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3165] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3169] rt_sigprocmask(SIG_SETMASK, [] [pid 3168] <... unlinkat resumed>) = 0 [pid 3170] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3169] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3168] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3170] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3169] mkdirat(AT_FDCWD, "./config", 0777 [pid 3168] <... futex resumed>) = 1 [pid 3169] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3168] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3169] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3165] <... futex resumed>) = 0 [pid 3170] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3165] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3171 [pid 3170] <... futex resumed>) = 1 [pid 3169] <... futex resumed>) = 1 [pid 3167] <... futex resumed>) = 0 [pid 3166] <... futex resumed>) = 0 [pid 3165] <... futex resumed>) = 1 [pid 3170] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3169] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3168] <... futex resumed>) = 0 [pid 3167] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3166] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3170] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3169] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3168] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3167] <... futex resumed>) = 0 [pid 3166] <... futex resumed>) = 0 [pid 3165] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 3170] mount(NULL, "./config", "configfs", 0, NULL [pid 3169] mount(NULL, "./config", "configfs", 0, NULL [pid 3168] <... unlinkat resumed>) = 0 [pid 3167] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3166] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3170] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3169] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3168] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3170] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3169] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3168] <... futex resumed>) = 1 [pid 3165] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3170] <... futex resumed>) = 1 [pid 3169] <... futex resumed>) = 1 [pid 3168] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3167] <... futex resumed>) = 0 [pid 3166] <... futex resumed>) = 0 [pid 3165] exit_group(0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3170] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3169] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3168] <... futex resumed>) = ? [pid 3167] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3166] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3165] <... exit_group resumed>) = ? [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3170] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3169] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3168] +++ exited with 0 +++ [pid 3167] <... futex resumed>) = 0 [pid 3166] <... futex resumed>) = 0 [pid 3169] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3169] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3169] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 3171 attached [pid 3165] +++ exited with 0 +++ [pid 3171] set_robust_list(0x5555810c5760, 24) = 0 [pid 3171] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3171] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3165, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3166] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3170] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3167] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3166] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3172 [pid 3170] <... futex resumed>) = 0 [pid 3167] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3166] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3170] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3167] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3169] <... futex resumed>) = 0 [pid 3166] <... futex resumed>) = 1 [pid 3171] <... prctl resumed>) = 0 [pid 3170] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3169] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3167] <... futex resumed>) = 0 [pid 3166] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3172 attached [pid 3171] setpgid(0, 0 [pid 3170] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3169] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3167] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3171] <... setpgid resumed>) = 0 [pid 3170] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3169] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3171] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3170] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3169] <... futex resumed>) = 1 [pid 3166] <... futex resumed>) = 0 [pid 3171] <... openat resumed>) = 3 [pid 3170] <... futex resumed>) = 1 [pid 3169] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3167] <... futex resumed>) = 0 [pid 3171] write(3, "1000", 4) = 4 [pid 3171] close(3) = 0 [pid 3171] write(1, "executing program\n", 18 [pid 3166] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3167] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3171] <... write resumed>) = 18 [pid 3170] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3169] <... futex resumed>) = 0 [pid 3167] <... futex resumed>) = 0 [pid 3166] <... futex resumed>) = 1 [pid 3171] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3169] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 executing program [pid 3167] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3166] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3171] <... futex resumed>) = 0 [pid 3170] <... mkdirat resumed>) = 0 [pid 3169] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3171] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3170] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3169] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3171] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3170] <... futex resumed>) = 1 [pid 3169] <... futex resumed>) = 1 [pid 3167] <... futex resumed>) = 0 [pid 3166] <... futex resumed>) = 0 [pid 3171] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3170] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3169] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3167] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3166] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3172] set_robust_list(0x5555810c5760, 24 [pid 3171] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3170] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3169] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3167] <... futex resumed>) = 0 [pid 3166] <... futex resumed>) = 0 [pid 3172] <... set_robust_list resumed>) = 0 [pid 3171] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3170] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3169] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3167] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3166] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3172] rt_sigprocmask(SIG_SETMASK, [] [pid 3171] <... mmap resumed>) = 0x7f85c0c15000 [pid 3170] <... symlinkat resumed>) = 0 [pid 3169] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3172] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3171] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3170] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3169] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3172] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3171] <... mprotect resumed>) = 0 [pid 3170] <... futex resumed>) = 1 [pid 3169] <... futex resumed>) = 1 [pid 3167] <... futex resumed>) = 0 [pid 3166] <... futex resumed>) = 0 [pid 3172] <... prctl resumed>) = 0 [pid 3171] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3170] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3169] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3167] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3166] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3172] setpgid(0, 0 [pid 3171] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3170] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3169] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3167] <... futex resumed>) = 0 [pid 3166] <... futex resumed>) = 0 [pid 3172] <... setpgid resumed>) = 0 [pid 3171] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3170] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3169] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3167] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3166] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3173 attached [pid 3172] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3170] <... unlinkat resumed>) = 0 [pid 3169] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3173] set_robust_list(0x7f85c0c359a0, 24 [pid 3172] <... openat resumed>) = 3 [pid 3171] <... clone3 resumed> => {parent_tid=[3173]}, 88) = 3173 [pid 3170] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3169] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3172] write(3, "1000", 4 [pid 3171] rt_sigprocmask(SIG_SETMASK, [] [pid 3170] <... futex resumed>) = 1 [pid 3169] <... futex resumed>) = 1 [pid 3167] <... futex resumed>) = 0 [pid 3166] <... futex resumed>) = 0 [pid 3172] <... write resumed>) = 4 [pid 3171] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3170] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3169] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3167] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3166] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3172] close(3 [pid 3171] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3170] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3169] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3167] <... futex resumed>) = 0 [pid 3166] <... futex resumed>) = 0 [pid 3172] <... close resumed>) = 0 [pid 3171] <... futex resumed>) = 0 [pid 3170] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3169] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3167] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3166] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3172] write(1, "executing program\n", 18 executing program [pid 3171] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3170] <... unlinkat resumed>) = 0 [pid 3169] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3172] <... write resumed>) = 18 [pid 3170] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3169] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3172] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3170] <... futex resumed>) = 1 [pid 3169] <... futex resumed>) = 1 [pid 3167] <... futex resumed>) = 0 [pid 3166] <... futex resumed>) = 0 [pid 3172] <... futex resumed>) = 0 [pid 3170] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3169] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3167] exit_group(0 [pid 311] <... restart_syscall resumed>) = 0 [pid 3172] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3167] <... exit_group resumed>) = ? [pid 3166] exit_group(0 [pid 3170] <... futex resumed>) = ? [pid 3172] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3172] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3169] <... futex resumed>) = ? [pid 3166] <... exit_group resumed>) = ? [pid 3172] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3169] +++ exited with 0 +++ [pid 3172] <... mmap resumed>) = 0x7f85c0c15000 [pid 3172] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3172] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3170] +++ exited with 0 +++ [pid 3167] +++ exited with 0 +++ [pid 3172] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3172] <... clone3 resumed> => {parent_tid=[3174]}, 88) = 3174 [pid 3172] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3172] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3172] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3166] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3166, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3167, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3173] <... set_robust_list resumed>) = 0 [pid 3173] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3173] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3173] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3175 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3173] <... futex resumed>) = 1 [pid 3171] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3173] mount(NULL, "./config", "configfs", 0, NULL [pid 3171] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 3174 attached [pid 3171] <... futex resumed>) = 0 [pid 3171] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3175 attached [pid 3175] set_robust_list(0x5555810c5760, 24) = 0 [pid 3175] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3175] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3175] setpgid(0, 0) = 0 [pid 3175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3174] set_robust_list(0x7f85c0c359a0, 24 [pid 3173] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3176 ci2-android-5-15/strace-static-x86_64: Process 3176 attached [pid 3175] <... openat resumed>) = 3 [pid 3175] write(3, "1000", 4) = 4 [pid 3175] close(3) = 0 [pid 3175] write(1, "executing program\n", 18) = 18 executing program [pid 3175] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3175] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3175] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3175] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3175] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3175] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... restart_syscall resumed>) = 0 [pid 3175] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3175] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3174] <... set_robust_list resumed>) = 0 [pid 3173] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3176] set_robust_list(0x5555810c5760, 24ci2-android-5-15/strace-static-x86_64: Process 3177 attached [pid 3175] <... clone3 resumed> => {parent_tid=[3177]}, 88) = 3177 [pid 3176] <... set_robust_list resumed>) = 0 [pid 3175] rt_sigprocmask(SIG_SETMASK, [] [pid 3174] rt_sigprocmask(SIG_SETMASK, [] [pid 3173] <... futex resumed>) = 1 [pid 3171] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3175] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3173] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3171] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3174] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3176] rt_sigprocmask(SIG_SETMASK, [] [pid 3175] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3173] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3171] <... futex resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3176] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3175] <... futex resumed>) = 0 [pid 3174] mkdirat(AT_FDCWD, "./config", 0777 [pid 3173] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3171] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3175] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3173] <... futex resumed>) = 0 [pid 3171] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3174] <... mkdirat resumed>) = -1 EEXIST (File exists) ci2-android-5-15/strace-static-x86_64: Process 3178 attached [pid 3176] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3174] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3173] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3171] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3178 [pid 3178] set_robust_list(0x5555810c5760, 24 [pid 3176] <... prctl resumed>) = 0 [pid 3174] <... futex resumed>) = 1 [pid 3173] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3171] <... futex resumed>) = 0 [pid 3178] <... set_robust_list resumed>) = 0 [pid 3176] setpgid(0, 0 [pid 3174] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3173] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3171] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3176] <... setpgid resumed>) = 0 [pid 3173] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3178] rt_sigprocmask(SIG_SETMASK, [] [pid 3173] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3172] <... futex resumed>) = 0 [pid 3173] <... futex resumed>) = 1 [pid 3171] <... futex resumed>) = 0 [pid 3178] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3173] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3171] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3173] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3171] <... futex resumed>) = 0 [pid 3173] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3171] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3172] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3172] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3174] <... futex resumed>) = 0 [pid 3173] <... mkdirat resumed>) = 0 [pid 3178] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3176] <... openat resumed>) = 3 [pid 3174] mount(NULL, "./config", "configfs", 0, NULL [pid 3173] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3178] <... prctl resumed>) = 0 [pid 3176] write(3, "1000", 4 [pid 3174] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3178] setpgid(0, 0 [pid 3176] <... write resumed>) = 4 [pid 3174] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3173] <... futex resumed>) = 1 [pid 3171] <... futex resumed>) = 0 [pid 3178] <... setpgid resumed>) = 0 [pid 3176] close(3 [pid 3174] <... futex resumed>) = 1 [pid 3173] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3172] <... futex resumed>) = 0 [pid 3171] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3172] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3171] <... futex resumed>) = 0 [pid 3174] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3173] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3172] <... futex resumed>) = 0 [pid 3171] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3173] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3172] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3174] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3177] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3177] rt_sigprocmask(SIG_SETMASK, [] [pid 3173] <... symlinkat resumed>) = 0 [pid 3174] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3177] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3177] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3177] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3175] <... futex resumed>) = 0 [pid 3175] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3174] <... futex resumed>) = 1 [pid 3173] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3172] <... futex resumed>) = 0 [pid 3178] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3176] <... close resumed>) = 0 [pid 3175] <... futex resumed>) = 0 [pid 3172] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3175] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3174] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3172] <... futex resumed>) = 0 [pid 3173] <... futex resumed>) = 1 [pid 3171] <... futex resumed>) = 0 [pid 3172] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3171] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3174] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3173] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3171] <... futex resumed>) = 0 [pid 3171] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3174] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3173] <... unlinkat resumed>) = 0 [pid 3177] <... futex resumed>) = 1 [pid 3174] <... futex resumed>) = 1 [pid 3173] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3172] <... futex resumed>) = 0 [pid 3172] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3172] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3177] mount(NULL, "./config", "configfs", 0, NULL [pid 3178] <... openat resumed>) = 3 [pid 3177] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3176] write(1, "executing program\n", 18 [pid 3174] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3173] <... futex resumed>) = 1 [pid 3171] <... futex resumed>) = 0 [pid 3177] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3175] <... futex resumed>) = 0 [pid 3175] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 3171] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3176] <... write resumed>) = 18 [pid 3175] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3174] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3173] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3171] <... futex resumed>) = 0 [pid 3176] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3174] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3171] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3177] <... futex resumed>) = 1 [pid 3176] <... futex resumed>) = 0 [pid 3174] <... futex resumed>) = 1 [pid 3173] <... unlinkat resumed>) = 0 [pid 3172] <... futex resumed>) = 0 [pid 3176] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3174] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3173] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3172] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3176] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3174] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3173] <... futex resumed>) = 1 [pid 3172] <... futex resumed>) = 0 [pid 3171] <... futex resumed>) = 0 [pid 3176] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3174] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3173] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3172] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3176] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3174] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3171] exit_group(0 [pid 3176] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3174] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3171] <... exit_group resumed>) = ? [pid 3173] <... futex resumed>) = ? [pid 3172] <... futex resumed>) = 0 [pid 3172] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3172] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3174] <... futex resumed>) = 1 [pid 3177] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3177] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3175] <... futex resumed>) = 0 [pid 3175] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3175] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3174] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3173] +++ exited with 0 +++ [pid 3171] +++ exited with 0 +++ [pid 3176] <... mmap resumed>) = 0x7f85c0c15000 [pid 3174] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3176] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3171, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3174] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3177] <... futex resumed>) = 1 [pid 3176] <... mprotect resumed>) = 0 [pid 3174] <... futex resumed>) = 1 [pid 3172] <... futex resumed>) = 0 [pid 3177] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3174] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3172] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3177] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3176] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3174] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3172] <... futex resumed>) = 0 [pid 3178] write(3, "1000", 4 [pid 3177] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3176] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3174] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3172] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3177] <... futex resumed>) = 1 [pid 3176] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3175] <... futex resumed>) = 0 [pid 3174] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3177] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3175] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3178] <... write resumed>) = 4 [pid 3177] <... mkdirat resumed>) = 0 [pid 3175] <... futex resumed>) = 0 [pid 3174] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3179 attached [pid 3178] close(3 [pid 3177] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3176] <... clone3 resumed> => {parent_tid=[3179]}, 88) = 3179 [pid 3175] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3174] <... futex resumed>) = 1 [pid 3172] <... futex resumed>) = 0 [pid 3178] <... close resumed>) = 0 [pid 3177] <... futex resumed>) = 0 [pid 3176] rt_sigprocmask(SIG_SETMASK, [] [pid 3175] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3174] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3172] exit_group(0 [pid 3178] write(1, "executing program\n", 18 [pid 3177] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3176] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 3175] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3174] <... futex resumed>) = ? [pid 3172] <... exit_group resumed>) = ? [pid 3179] set_robust_list(0x7f85c0c359a0, 24 [pid 3178] <... write resumed>) = 18 [pid 3177] <... symlinkat resumed>) = 0 [pid 3176] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3175] <... futex resumed>) = 0 [pid 3174] +++ exited with 0 +++ [pid 3172] +++ exited with 0 +++ [pid 3178] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3177] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3176] <... futex resumed>) = 0 [pid 3175] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3178] <... futex resumed>) = 0 [pid 3177] <... futex resumed>) = 0 [pid 3176] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3175] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3172, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3178] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3177] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3175] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3178] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3177] <... unlinkat resumed>) = 0 [pid 3175] <... futex resumed>) = 0 [pid 3177] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3175] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3177] <... futex resumed>) = 0 [pid 3175] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3177] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3175] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3177] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3175] <... futex resumed>) = 0 [pid 3179] <... set_robust_list resumed>) = 0 [pid 3178] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3177] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3175] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3179] rt_sigprocmask(SIG_SETMASK, [] [pid 3178] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3177] <... unlinkat resumed>) = 0 [pid 3178] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3177] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3178] <... mmap resumed>) = 0x7f85c0c15000 [pid 3177] <... futex resumed>) = 1 [pid 3175] <... futex resumed>) = 0 [pid 3178] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3177] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3175] exit_group(0 [pid 3178] <... mprotect resumed>) = 0 [pid 3177] <... futex resumed>) = ? [pid 3175] <... exit_group resumed>) = ? [pid 3179] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3178] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3177] +++ exited with 0 +++ [pid 3175] +++ exited with 0 +++ [pid 3178] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3179] mkdirat(AT_FDCWD, "./config", 0777 [pid 3178] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3175, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3179] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... restart_syscall resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 3180 attached [pid 3179] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3178] <... clone3 resumed> => {parent_tid=[3180]}, 88) = 3180 [pid 3179] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3178] rt_sigprocmask(SIG_SETMASK, [] [pid 3176] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3180] set_robust_list(0x7f85c0c359a0, 24 [pid 3178] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3176] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3180] <... set_robust_list resumed>) = 0 [pid 3179] <... futex resumed>) = 0 [pid 3178] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3176] <... futex resumed>) = 1 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3180] rt_sigprocmask(SIG_SETMASK, [] [pid 3179] mount(NULL, "./config", "configfs", 0, NULL [pid 3178] <... futex resumed>) = 0 [pid 3176] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3178] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3180] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3179] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3181 [pid 3179] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3180] mkdirat(AT_FDCWD, "./config", 0777 [pid 3179] <... futex resumed>) = 1 [pid 3176] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3180] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3179] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3176] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3180] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3179] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3176] <... futex resumed>) = 0 [pid 3179] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3176] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3180] <... futex resumed>) = 1 [pid 3179] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3178] <... futex resumed>) = 0 [pid 3180] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3179] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3178] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3180] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3179] <... futex resumed>) = 1 [pid 3178] <... futex resumed>) = 0 [pid 3176] <... futex resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 3180] mount(NULL, "./config", "configfs", 0, NULL [pid 3179] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3178] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3176] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3179] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3176] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3181 attached [pid 3180] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3179] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3176] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3179] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3180] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3179] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3179] <... futex resumed>) = 1 [pid 3178] <... futex resumed>) = 0 [pid 3176] <... futex resumed>) = 0 [pid 3180] <... futex resumed>) = 1 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3180] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3179] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3178] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3176] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3179] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3178] <... futex resumed>) = 0 [pid 3176] <... futex resumed>) = 0 [pid 3181] set_robust_list(0x5555810c5760, 24) = 0 [pid 3181] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3176] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3178] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3180] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3179] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3182 [pid 3181] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3181] setpgid(0, 0 [pid 3179] <... mkdirat resumed>) = 0 [pid 3180] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3179] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3179] <... futex resumed>) = 1 [pid 3178] <... futex resumed>) = 0 [pid 3176] <... futex resumed>) = 0 [pid 3180] <... futex resumed>) = 1 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3179] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3178] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3176] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3181] <... setpgid resumed>) = 0 [pid 3178] <... futex resumed>) = 0 [pid 3176] <... futex resumed>) = 0 [pid 3180] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3179] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3178] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3176] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3180] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3179] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3180] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3179] <... symlinkat resumed>) = 0 [pid 3181] <... openat resumed>) = 3 [pid 3180] <... futex resumed>) = 1 [pid 3179] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3178] <... futex resumed>) = 0 [pid 3180] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3179] <... futex resumed>) = 1 [pid 3178] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3176] <... futex resumed>) = 0 [pid 3180] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3179] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3178] <... futex resumed>) = 0 [pid 3176] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3180] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3179] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3178] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3176] <... futex resumed>) = 0 [pid 3180] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3179] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3176] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3180] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3179] <... unlinkat resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 3179] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3178] <... futex resumed>) = 0 [pid 3180] <... futex resumed>) = 1 [pid 3179] <... futex resumed>) = 1 [pid 3178] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3176] <... futex resumed>) = 0 [pid 3180] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3179] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3178] <... futex resumed>) = 0 [pid 3176] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3179] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3178] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3176] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3180] <... symlinkat resumed>) = 0 [pid 3179] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3176] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3180] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3182 attached [pid 3181] write(3, "1000", 4 [pid 3180] <... futex resumed>) = 1 [pid 3179] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3178] <... futex resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3180] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3179] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3178] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3182] set_robust_list(0x5555810c5760, 24 [pid 3181] <... write resumed>) = 4 [pid 3182] <... set_robust_list resumed>) = 0 [pid 3181] close(3 [pid 3182] rt_sigprocmask(SIG_SETMASK, [] [pid 3181] <... close resumed>) = 0 [pid 3180] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3179] <... futex resumed>) = 1 [pid 3178] <... futex resumed>) = 0 [pid 3176] <... futex resumed>) = 0 [pid 3182] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 3181] write(1, "executing program\n", 18 [pid 3180] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3179] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3178] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3176] exit_group(0 [pid 3182] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3181] <... write resumed>) = 18 [pid 3180] <... unlinkat resumed>) = 0 [pid 3176] <... exit_group resumed>) = ? [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3183 [pid 3182] <... prctl resumed>) = 0 [pid 3181] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3180] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3179] <... futex resumed>) = ? [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3182] setpgid(0, 0 [pid 3181] <... futex resumed>) = 0 [pid 3182] <... setpgid resumed>) = 0 [pid 3181] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3182] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3181] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3182] <... openat resumed>) = 3 [pid 3181] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3179] +++ exited with 0 +++ [pid 3178] <... futex resumed>) = 0 [pid 3176] +++ exited with 0 +++ [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3182] write(3, "1000", 4 [pid 3181] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3180] <... futex resumed>) = 1 [pid 3178] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3182] <... write resumed>) = 4 [pid 3181] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3180] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3178] <... futex resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3176, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 3182] close(3 [pid 3181] <... mmap resumed>) = 0x7f85c0c15000 [pid 3182] <... close resumed>) = 0 [pid 3181] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3178] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3182] write(1, "executing program\n", 18 [pid 3181] <... mprotect resumed>) = 0 executing program [pid 3180] <... unlinkat resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3183 attached [pid 3182] <... write resumed>) = 18 [pid 3181] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3180] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3183] set_robust_list(0x5555810c5760, 24 [pid 3182] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3181] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3183] <... set_robust_list resumed>) = 0 [pid 3182] <... futex resumed>) = 0 [pid 3181] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3180] <... futex resumed>) = 1 [pid 3178] <... futex resumed>) = 0 [pid 3183] rt_sigprocmask(SIG_SETMASK, [] [pid 3182] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3183] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3182] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3180] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3178] exit_group(0 [pid 3183] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3182] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3181] <... clone3 resumed> => {parent_tid=[3184]}, 88) = 3184 [pid 3183] <... prctl resumed>) = 0 [pid 3182] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3180] <... futex resumed>) = ? [pid 3178] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 3184 attached [pid 3183] setpgid(0, 0 [pid 3182] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3181] rt_sigprocmask(SIG_SETMASK, [] [pid 3180] +++ exited with 0 +++ [pid 3183] <... setpgid resumed>) = 0 [pid 3182] <... mmap resumed>) = 0x7f85c0c15000 [pid 3183] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3182] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3183] <... openat resumed>) = 3 [pid 3182] <... mprotect resumed>) = 0 [pid 3178] +++ exited with 0 +++ [pid 3183] write(3, "1000", 4 [pid 3182] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3181] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3183] <... write resumed>) = 4 [pid 3182] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3178, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3183] close(3 [pid 3182] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3181] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3183] <... close resumed>) = 0 [pid 3181] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3185 attached [pid 3183] write(1, "executing program\n", 18 [pid 3182] <... clone3 resumed> => {parent_tid=[3185]}, 88) = 3185 [pid 3185] set_robust_list(0x7f85c0c359a0, 24 [pid 3183] <... write resumed>) = 18 [pid 3181] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3182] rt_sigprocmask(SIG_SETMASK, [] [pid 3185] <... set_robust_list resumed>) = 0 [pid 3183] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3185] rt_sigprocmask(SIG_SETMASK, [] [pid 3182] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3185] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3183] <... futex resumed>) = 0 [pid 3182] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3183] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3185] mkdirat(AT_FDCWD, "./config", 0777 [pid 3182] <... futex resumed>) = 0 [pid 3183] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3185] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3182] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3183] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3185] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3182] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3185] <... futex resumed>) = 0 [pid 3183] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3185] mount(NULL, "./config", "configfs", 0, NULL [pid 3182] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3183] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3182] <... futex resumed>) = 0 [pid 3183] <... mmap resumed>) = 0x7f85c0c15000 [pid 3182] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3185] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3183] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE executing program [pid 3185] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3183] <... mprotect resumed>) = 0 [pid 3185] <... futex resumed>) = 1 [pid 3182] <... futex resumed>) = 0 [pid 3183] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3185] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3182] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3183] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3182] <... futex resumed>) = 0 [pid 3185] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3183] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3182] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3185] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3182] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ci2-android-5-15/strace-static-x86_64: Process 3186 attached [pid 3185] <... futex resumed>) = 0 [pid 3183] <... clone3 resumed> => {parent_tid=[3186]}, 88) = 3186 [pid 3182] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3186] set_robust_list(0x7f85c0c359a0, 24 [pid 3185] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3183] rt_sigprocmask(SIG_SETMASK, [] [pid 3182] <... futex resumed>) = 0 [pid 3186] <... set_robust_list resumed>) = 0 [pid 3185] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3183] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3186] rt_sigprocmask(SIG_SETMASK, [] [pid 3185] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3183] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3182] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3186] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3185] <... futex resumed>) = 0 [pid 3183] <... futex resumed>) = 0 [pid 3182] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3185] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3183] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3182] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3186] mkdirat(AT_FDCWD, "./config", 0777 [pid 3185] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3182] <... futex resumed>) = 0 [pid 3185] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3186] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3182] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3186] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3185] <... mkdirat resumed>) = 0 [pid 3184] set_robust_list(0x7f85c0c359a0, 24 [pid 3185] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3184] <... set_robust_list resumed>) = 0 [pid 3185] <... futex resumed>) = 1 [pid 3182] <... futex resumed>) = 0 [pid 3185] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3182] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3185] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3182] <... futex resumed>) = 0 [pid 3185] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3182] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3184] rt_sigprocmask(SIG_SETMASK, [] [pid 3185] <... symlinkat resumed>) = 0 [pid 3185] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3184] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3185] <... futex resumed>) = 1 [pid 3182] <... futex resumed>) = 0 [pid 3185] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3182] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3185] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3182] <... futex resumed>) = 0 [pid 3185] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 3182] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3185] <... unlinkat resumed>) = 0 [pid 3184] mkdirat(AT_FDCWD, "./config", 0777 [pid 3185] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3184] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3185] <... futex resumed>) = 1 [pid 3184] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3182] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3185] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3184] <... futex resumed>) = 1 [pid 3182] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3181] <... futex resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3186] <... futex resumed>) = 1 [pid 3185] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3184] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3183] <... futex resumed>) = 0 [pid 3182] <... futex resumed>) = 0 [pid 3181] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3181] <... futex resumed>) = 0 [pid 3184] mount(NULL, "./config", "configfs", 0, NULL [pid 3181] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3184] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3183] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3182] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3185] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3186] mount(NULL, "./config", "configfs", 0, NULL [pid 3184] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3183] <... futex resumed>) = 0 [pid 3185] <... unlinkat resumed>) = 0 [pid 3184] <... futex resumed>) = 1 [pid 3183] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3181] <... futex resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3187 [pid 3186] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3185] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3184] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3181] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3186] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3185] <... futex resumed>) = 1 [pid 3184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3182] <... futex resumed>) = 0 [pid 3181] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... restart_syscall resumed>) = 0 [pid 3186] <... futex resumed>) = 1 [pid 3185] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3184] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3183] <... futex resumed>) = 0 [pid 3182] exit_group(0 [pid 3181] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3186] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3185] <... futex resumed>) = ? [pid 3184] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3183] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3182] <... exit_group resumed>) = ? [pid 3185] +++ exited with 0 +++ [pid 3184] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3183] <... futex resumed>) = 0 [pid 3184] <... futex resumed>) = 1 [pid 3181] <... futex resumed>) = 0 [pid 3184] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3181] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3181] <... futex resumed>) = 0 [pid 3184] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3181] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3184] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3182] +++ exited with 0 +++ [pid 3184] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3181] <... futex resumed>) = 0 [pid 3186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3184] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3183] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3181] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 3187 attached [pid 3186] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3181] <... futex resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3182, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3187] set_robust_list(0x5555810c5760, 24 [pid 3186] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3184] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3181] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3187] <... set_robust_list resumed>) = 0 [pid 3186] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3184] <... mkdirat resumed>) = 0 [pid 3187] rt_sigprocmask(SIG_SETMASK, [] [pid 3184] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3187] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3184] <... futex resumed>) = 1 [pid 3187] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3186] <... futex resumed>) = 1 [pid 3184] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3183] <... futex resumed>) = 0 [pid 3181] <... futex resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3188 [pid 3187] <... prctl resumed>) = 0 [pid 3186] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3183] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3181] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3183] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3187] setpgid(0, 0 [pid 3184] <... futex resumed>) = 0 [pid 3181] <... futex resumed>) = 1 [pid 3187] <... setpgid resumed>) = 0 [pid 3186] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3184] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3183] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3181] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3187] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3186] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3184] <... symlinkat resumed>) = 0 [pid 3187] <... openat resumed>) = 3 [pid 3186] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3184] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3187] write(3, "1000", 4 [pid 3186] <... futex resumed>) = 1 [pid 3184] <... futex resumed>) = 1 [pid 3183] <... futex resumed>) = 0 [pid 3181] <... futex resumed>) = 0 [pid 3187] <... write resumed>) = 4 [pid 3186] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3184] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3183] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3181] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3187] close(3 [pid 3186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3183] <... futex resumed>) = 0 [pid 3181] <... futex resumed>) = 0 [pid 3187] <... close resumed>) = 0 [pid 3186] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3184] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3183] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3181] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3187] write(1, "executing program\n", 18 [pid 3186] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3184] <... unlinkat resumed>) = 0 [pid 3187] <... write resumed>) = 18 executing program [pid 3186] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3184] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3187] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3186] <... futex resumed>) = 1 [pid 3184] <... futex resumed>) = 1 [pid 3183] <... futex resumed>) = 0 [pid 3181] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3188 attached [pid 3187] <... futex resumed>) = 0 [pid 3186] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3184] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3183] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3181] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3188] set_robust_list(0x5555810c5760, 24 [pid 3187] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3183] <... futex resumed>) = 0 [pid 3181] <... futex resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 3188] <... set_robust_list resumed>) = 0 [pid 3187] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3186] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3184] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3183] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3181] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3188] rt_sigprocmask(SIG_SETMASK, [] [pid 3187] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3186] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3184] <... unlinkat resumed>) = 0 [pid 3188] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3187] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3186] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3184] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3188] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3187] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3186] <... futex resumed>) = 1 [pid 3184] <... futex resumed>) = 1 [pid 3183] <... futex resumed>) = 0 [pid 3181] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3188] <... prctl resumed>) = 0 [pid 3187] <... mmap resumed>) = 0x7f85c0c15000 [pid 3186] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3184] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3183] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3181] exit_group(0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3188] setpgid(0, 0 [pid 3187] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3184] <... futex resumed>) = ? [pid 3183] <... futex resumed>) = 0 [pid 3181] <... exit_group resumed>) = ? [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3188] <... setpgid resumed>) = 0 [pid 3187] <... mprotect resumed>) = 0 [pid 3186] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3184] +++ exited with 0 +++ [pid 3183] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3187] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3188] <... openat resumed>) = 3 [pid 3187] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3181] +++ exited with 0 +++ [pid 3188] write(3, "1000", 4 [pid 3187] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3188] <... write resumed>) = 4 [pid 3188] close(3 [pid 3187] <... clone3 resumed> => {parent_tid=[3189]}, 88) = 3189 [pid 3188] <... close resumed>) = 0 [pid 3187] rt_sigprocmask(SIG_SETMASK, [] [pid 3186] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3181, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3190 [pid 3188] write(1, "executing program\n", 18 [pid 3187] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3186] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 3190 attached [pid 3188] <... write resumed>) = 18 [pid 3187] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3186] <... futex resumed>) = 1 [pid 3183] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 3189 attached executing program [pid 3188] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3187] <... futex resumed>) = 0 [pid 3186] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3183] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3190] set_robust_list(0x5555810c5760, 24 [pid 3188] <... futex resumed>) = 0 [pid 3187] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3183] <... futex resumed>) = 0 [pid 3188] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3186] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3183] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3189] set_robust_list(0x7f85c0c359a0, 24 [pid 3188] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3188] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3188] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3188] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3186] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3188] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3186] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3188] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3188] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3186] <... futex resumed>) = 1 [pid 3183] <... futex resumed>) = 0 [pid 3190] <... set_robust_list resumed>) = 0 [pid 3186] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 3191 attached [pid 3190] rt_sigprocmask(SIG_SETMASK, [] [pid 3189] <... set_robust_list resumed>) = 0 [pid 3188] <... clone3 resumed> => {parent_tid=[3191]}, 88) = 3191 [pid 3183] exit_group(0 [pid 3190] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3188] rt_sigprocmask(SIG_SETMASK, [] [pid 3190] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3188] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3186] <... futex resumed>) = ? [pid 3189] rt_sigprocmask(SIG_SETMASK, [] [pid 3183] <... exit_group resumed>) = ? [pid 3191] set_robust_list(0x7f85c0c359a0, 24 [pid 3190] <... prctl resumed>) = 0 [pid 3188] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3186] +++ exited with 0 +++ [pid 3190] setpgid(0, 0 [pid 3188] <... futex resumed>) = 0 [pid 3190] <... setpgid resumed>) = 0 [pid 3188] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3190] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3183] +++ exited with 0 +++ [pid 3190] write(3, "1000", 4) = 4 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3183, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3190] close(3 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3190] <... close resumed>) = 0 [pid 3190] write(1, "executing program\n", 18 [pid 304] <... restart_syscall resumed>) = 0 [pid 3190] <... write resumed>) = 18 [pid 3190] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3190] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3190] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3190] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3190] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3190] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3190] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3192 [pid 3190] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3190] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 3190] <... clone3 resumed> => {parent_tid=[3193]}, 88) = 3193 ci2-android-5-15/strace-static-x86_64: Process 3193 attached [pid 3191] <... set_robust_list resumed>) = 0 [pid 3189] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3192 attached [pid 3192] set_robust_list(0x5555810c5760, 24) = 0 [pid 3193] set_robust_list(0x7f85c0c359a0, 24 [pid 3192] rt_sigprocmask(SIG_SETMASK, [] [pid 3191] rt_sigprocmask(SIG_SETMASK, [] [pid 3190] rt_sigprocmask(SIG_SETMASK, [] [pid 3189] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] <... restart_syscall resumed>) = 0 [pid 3192] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3192] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3191] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3189] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3192] <... prctl resumed>) = 0 [pid 3192] setpgid(0, 0) = 0 [pid 3192] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3189] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3193] <... set_robust_list resumed>) = 0 [pid 3191] mkdirat(AT_FDCWD, "./config", 0777 [pid 3190] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3192] <... openat resumed>) = 3 [pid 3193] rt_sigprocmask(SIG_SETMASK, [] [pid 3191] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3190] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3189] <... futex resumed>) = 1 [pid 3187] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3187] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3187] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3192] write(3, "1000", 4) = 4 [pid 3192] close(3 [pid 3193] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3191] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3190] <... futex resumed>) = 0 [pid 3189] mount(NULL, "./config", "configfs", 0, NULL [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3192] <... close resumed>) = 0 [pid 3192] write(1, "executing program\n", 18) = 18 [pid 3189] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3192] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3192] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3192] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 executing program [pid 3189] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3192] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3189] <... futex resumed>) = 1 [pid 3187] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3194 [pid 3189] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3187] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3189] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3187] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3189] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3187] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3189] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3189] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3192] <... mmap resumed>) = 0x7f85c0c15000 [pid 3189] <... futex resumed>) = 1 [pid 3187] <... futex resumed>) = 0 [pid 3189] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3187] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3189] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3187] <... futex resumed>) = 0 [pid 3189] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3187] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3189] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3192] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3189] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3192] <... mprotect resumed>) = 0 [pid 3191] <... futex resumed>) = 1 [pid 3189] <... futex resumed>) = 1 [pid 3188] <... futex resumed>) = 0 [pid 3187] <... futex resumed>) = 0 [pid 3192] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3191] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3189] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3188] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3187] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3193] mkdirat(AT_FDCWD, "./config", 0777 [pid 3192] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3190] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3189] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3188] <... futex resumed>) = 0 [pid 3187] <... futex resumed>) = 0 [pid 3192] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3191] mount(NULL, "./config", "configfs", 0, NULL [pid 3189] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3188] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3187] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3191] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3189] <... mkdirat resumed>) = 0 [pid 3189] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3191] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3192] <... clone3 resumed> => {parent_tid=[3195]}, 88) = 3195 [pid 3189] <... futex resumed>) = 1 [pid 3187] <... futex resumed>) = 0 [pid 3192] rt_sigprocmask(SIG_SETMASK, [] [pid 3191] <... futex resumed>) = 1 [pid 3189] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3188] <... futex resumed>) = 0 [pid 3187] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3192] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3191] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3189] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3188] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3187] <... futex resumed>) = 0 [pid 3192] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3189] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3188] <... futex resumed>) = 0 [pid 3187] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3193] <... mkdirat resumed>) = -1 EEXIST (File exists) ci2-android-5-15/strace-static-x86_64: Process 3194 attached [pid 3191] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3189] <... symlinkat resumed>) = 0 [pid 3188] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3194] set_robust_list(0x5555810c5760, 24 [pid 3191] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3189] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3192] <... futex resumed>) = 0 [pid 3194] <... set_robust_list resumed>) = 0 [pid 3191] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3189] <... futex resumed>) = 1 [pid 3187] <... futex resumed>) = 0 [pid 3194] rt_sigprocmask(SIG_SETMASK, [] [pid 3192] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3191] <... futex resumed>) = 1 [pid 3189] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3188] <... futex resumed>) = 0 [pid 3187] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3194] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3191] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3189] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3188] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3187] <... futex resumed>) = 0 [pid 3194] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3189] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3188] <... futex resumed>) = 0 [pid 3187] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3194] <... prctl resumed>) = 0 [pid 3193] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3191] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3189] <... unlinkat resumed>) = 0 [pid 3188] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3194] setpgid(0, 0 [pid 3191] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3189] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3195 attached [pid 3194] <... setpgid resumed>) = 0 [pid 3193] <... futex resumed>) = 1 [pid 3191] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3190] <... futex resumed>) = 0 [pid 3189] <... futex resumed>) = 1 [pid 3187] <... futex resumed>) = 0 [pid 3194] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3193] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3191] <... futex resumed>) = 1 [pid 3190] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3189] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3188] <... futex resumed>) = 0 [pid 3187] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3194] <... openat resumed>) = 3 [pid 3193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3191] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3190] <... futex resumed>) = 0 [pid 3189] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3188] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3187] <... futex resumed>) = 0 [pid 3194] write(3, "1000", 4 [pid 3193] mount(NULL, "./config", "configfs", 0, NULL [pid 3191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3190] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3189] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3188] <... futex resumed>) = 0 [pid 3187] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3195] set_robust_list(0x7f85c0c359a0, 24 [pid 3194] <... write resumed>) = 4 [pid 3193] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3191] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3188] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3195] <... set_robust_list resumed>) = 0 [pid 3194] close(3 [pid 3189] <... unlinkat resumed>) = 0 [pid 3189] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3193] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3191] <... mkdirat resumed>) = 0 [pid 3189] <... futex resumed>) = 1 [pid 3187] <... futex resumed>) = 0 [pid 3191] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3190] <... futex resumed>) = 0 [pid 3189] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3195] rt_sigprocmask(SIG_SETMASK, [] [pid 3194] <... close resumed>) = 0 [pid 3193] <... futex resumed>) = 1 [pid 3191] <... futex resumed>) = 1 [pid 3190] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3188] <... futex resumed>) = 0 [pid 3187] exit_group(0 [pid 3195] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 3194] write(1, "executing program\n", 18 [pid 3193] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3191] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3190] <... futex resumed>) = 0 [pid 3188] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3187] <... exit_group resumed>) = ? [pid 3189] <... futex resumed>) = ? [pid 3195] mkdirat(AT_FDCWD, "./config", 0777 [pid 3194] <... write resumed>) = 18 [pid 3193] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3190] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3188] <... futex resumed>) = 0 [pid 3195] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3194] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3188] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3195] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3194] <... futex resumed>) = 0 [pid 3195] <... futex resumed>) = 1 [pid 3194] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3195] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3194] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3189] +++ exited with 0 +++ [pid 3187] +++ exited with 0 +++ [pid 3194] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3193] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3192] <... futex resumed>) = 0 [pid 3191] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3194] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3193] <... futex resumed>) = 1 [pid 3192] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3190] <... futex resumed>) = 0 [pid 3194] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3191] <... symlinkat resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3187, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3192] <... futex resumed>) = 1 [pid 3190] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3195] <... futex resumed>) = 0 [pid 3194] <... mmap resumed>) = 0x7f85c0c15000 [pid 3193] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3192] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3191] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3190] <... futex resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3195] mount(NULL, "./config", "configfs", 0, NULL [pid 3194] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3193] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3191] <... futex resumed>) = 1 [pid 3190] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3188] <... futex resumed>) = 0 [pid 3195] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3194] <... mprotect resumed>) = 0 [pid 3193] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3191] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3190] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3188] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3195] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3194] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3193] <... futex resumed>) = 0 [pid 3191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3190] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3188] <... futex resumed>) = 0 [pid 3195] <... futex resumed>) = 1 [pid 3194] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3193] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3192] <... futex resumed>) = 0 [pid 3191] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3190] <... futex resumed>) = 0 [pid 3188] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3195] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3194] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3193] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3192] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3191] <... unlinkat resumed>) = 0 [pid 3190] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3195] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3195] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3194] <... clone3 resumed> => {parent_tid=[3196]}, 88) = 3196 [pid 3195] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3194] rt_sigprocmask(SIG_SETMASK, [] [pid 3195] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3194] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3192] <... futex resumed>) = 0 [pid 3191] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3195] <... futex resumed>) = 0 [pid 3194] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3193] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3192] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3196 attached [pid 3195] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3194] <... futex resumed>) = 0 [pid 3193] <... futex resumed>) = 1 [pid 3192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3191] <... futex resumed>) = 1 [pid 3190] <... futex resumed>) = 0 [pid 3188] <... futex resumed>) = 0 [pid 3194] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3193] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3192] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3191] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3190] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3188] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3195] <... futex resumed>) = 0 [pid 3193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3192] <... futex resumed>) = 1 [pid 3191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3190] <... futex resumed>) = 0 [pid 3188] <... futex resumed>) = 0 [pid 3195] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3193] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3192] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3191] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3190] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3188] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3195] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3193] <... symlinkat resumed>) = 0 [pid 3191] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3195] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3193] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3195] <... futex resumed>) = 1 [pid 3192] <... futex resumed>) = 0 [pid 3191] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3193] <... futex resumed>) = 1 [pid 3190] <... futex resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 3195] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3193] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3192] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3191] <... futex resumed>) = 1 [pid 3190] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3188] <... futex resumed>) = 0 [pid 3195] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3192] <... futex resumed>) = 0 [pid 3191] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3190] <... futex resumed>) = 0 [pid 3188] exit_group(0 [pid 3195] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3193] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3192] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3191] <... futex resumed>) = ? [pid 3190] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3188] <... exit_group resumed>) = ? [pid 3196] set_robust_list(0x7f85c0c359a0, 24 [pid 3195] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3193] <... unlinkat resumed>) = 0 [pid 3191] +++ exited with 0 +++ [pid 3188] +++ exited with 0 +++ [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3195] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3193] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3195] <... futex resumed>) = 1 [pid 3193] <... futex resumed>) = 1 [pid 3192] <... futex resumed>) = 0 [pid 3190] <... futex resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3188, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3195] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3193] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3192] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3190] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3195] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3192] <... futex resumed>) = 0 [pid 3195] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3192] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3195] <... symlinkat resumed>) = 0 [pid 3193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3190] <... futex resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3195] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3193] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3190] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3197 [pid 3195] <... futex resumed>) = 1 [pid 3193] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3192] <... futex resumed>) = 0 [pid 3195] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3193] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3192] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3195] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3193] <... futex resumed>) = 1 [pid 3192] <... futex resumed>) = 0 [pid 3190] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3195] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3193] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3192] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3190] exit_group(0 [pid 3195] <... unlinkat resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 3195] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3193] <... futex resumed>) = ? [pid 3190] <... exit_group resumed>) = ? [pid 3195] <... futex resumed>) = 1 [pid 3192] <... futex resumed>) = 0 [pid 3193] +++ exited with 0 +++ [pid 3195] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3192] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3195] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3192] <... futex resumed>) = 0 [pid 3195] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3192] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3195] <... unlinkat resumed>) = 0 [pid 3195] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3190] +++ exited with 0 +++ [pid 3195] <... futex resumed>) = 1 [pid 3192] <... futex resumed>) = 0 [pid 3195] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3192] exit_group(0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3190, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3195] <... futex resumed>) = ? [pid 3192] <... exit_group resumed>) = ? [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3197 attached [pid 3196] <... set_robust_list resumed>) = 0 [pid 3195] +++ exited with 0 +++ [pid 3192] +++ exited with 0 +++ [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3196] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3198 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3192, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 3198 attached [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3196] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3198] set_robust_list(0x5555810c5760, 24) = 0 [pid 3198] rt_sigprocmask(SIG_SETMASK, [] [pid 3196] mkdirat(AT_FDCWD, "./config", 0777 [pid 3198] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3198] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3198] setpgid(0, 0 [pid 3197] set_robust_list(0x5555810c5760, 24 [pid 3196] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3197] <... set_robust_list resumed>) = 0 [pid 3198] <... setpgid resumed>) = 0 [pid 3196] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3194] <... futex resumed>) = 0 [pid 3194] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3196] mount(NULL, "./config", "configfs", 0, NULL [pid 3194] <... futex resumed>) = 0 [pid 3194] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3196] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3197] rt_sigprocmask(SIG_SETMASK, [] [pid 3198] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3196] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3194] <... futex resumed>) = 0 [pid 3198] <... openat resumed>) = 3 [pid 3196] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3194] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3194] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3197] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3198] write(3, "1000", 4 [pid 3196] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3196] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3198] <... write resumed>) = 4 [pid 3197] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 311] <... restart_syscall resumed>) = 0 [pid 3198] close(3 [pid 3197] <... prctl resumed>) = 0 [pid 3196] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3196] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3197] setpgid(0, 0 [pid 3198] <... close resumed>) = 0 [pid 3196] <... futex resumed>) = 1 [pid 3194] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3194] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3198] write(1, "executing program\n", 18 [pid 3197] <... setpgid resumed>) = 0 [pid 3196] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3194] <... futex resumed>) = 0 [pid 3194] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3199 [pid 3196] <... mkdirat resumed>) = -1 EEXIST (File exists) ci2-android-5-15/strace-static-x86_64: Process 3199 attached [pid 3196] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3198] <... write resumed>) = 18 [pid 3196] <... futex resumed>) = 1 [pid 3194] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3194] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3196] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3194] <... futex resumed>) = 0 [pid 3194] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3199] set_robust_list(0x5555810c5760, 24) = 0 executing program [pid 3199] rt_sigprocmask(SIG_SETMASK, [] [pid 3198] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3197] <... openat resumed>) = 3 [pid 3196] <... mkdirat resumed>) = 0 [pid 3199] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3199] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3198] <... futex resumed>) = 0 [pid 3197] write(3, "1000", 4 [pid 3196] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3199] <... prctl resumed>) = 0 [pid 3198] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3197] <... write resumed>) = 4 [pid 3196] <... futex resumed>) = 1 [pid 3194] <... futex resumed>) = 0 [pid 3198] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3196] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3194] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3197] close(3 [pid 3199] setpgid(0, 0 [pid 3198] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3196] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3194] <... futex resumed>) = 0 [pid 3198] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3196] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3194] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3197] <... close resumed>) = 0 [pid 3199] <... setpgid resumed>) = 0 [pid 3198] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3196] <... symlinkat resumed>) = 0 [pid 3197] write(1, "executing program\n", 18 [pid 3199] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3196] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3198] <... mmap resumed>) = 0x7f85c0c15000 [pid 3197] <... write resumed>) = 18 [pid 3196] <... futex resumed>) = 1 [pid 3194] <... futex resumed>) = 0 [pid 3194] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3199] <... openat resumed>) = 3 executing program [pid 3198] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3196] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3194] <... futex resumed>) = 0 [pid 3197] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3194] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3199] write(3, "1000", 4 [pid 3198] <... mprotect resumed>) = 0 [pid 3197] <... futex resumed>) = 0 [pid 3196] <... unlinkat resumed>) = 0 [pid 3196] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3198] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3199] <... write resumed>) = 4 [pid 3197] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3196] <... futex resumed>) = 1 [pid 3194] <... futex resumed>) = 0 [pid 3194] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3199] close(3 [pid 3198] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3197] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3196] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3194] <... futex resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 3194] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3199] <... close resumed>) = 0 [pid 3198] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3197] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3196] <... unlinkat resumed>) = 0 [pid 3199] write(1, "executing program\n", 18 [pid 3196] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3197] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3197] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3196] <... futex resumed>) = 1 [pid 3194] <... futex resumed>) = 0 executing program [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3199] <... write resumed>) = 18 [pid 3197] <... mmap resumed>) = 0x7f85c0c15000 [pid 3196] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3194] exit_group(0) = ? ci2-android-5-15/strace-static-x86_64: Process 3200 attached [pid 3200] set_robust_list(0x7f85c0c359a0, 24 [pid 3196] <... futex resumed>) = -1 ENOSYS (Function not implemented) [pid 3199] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3198] <... clone3 resumed> => {parent_tid=[3200]}, 88) = 3200 [pid 3197] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3201 [pid 3200] <... set_robust_list resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3200] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3200] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3200] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 3201 attached [pid 3201] set_robust_list(0x5555810c5760, 24) = 0 [pid 3196] +++ exited with 0 +++ [pid 3194] +++ exited with 0 +++ [pid 3197] <... mprotect resumed>) = 0 [pid 3199] <... futex resumed>) = 0 [pid 3198] rt_sigprocmask(SIG_SETMASK, [] [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3194, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3199] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3198] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3197] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3201] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3199] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3198] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3197] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3199] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3198] <... futex resumed>) = 1 [pid 3197] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3199] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3198] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3199] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3200] <... futex resumed>) = 0 [pid 3197] <... clone3 resumed> => {parent_tid=[3202]}, 88) = 3202 [pid 3199] <... mmap resumed>) = 0x7f85c0c15000 [pid 3197] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3199] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3197] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3200] mkdirat(AT_FDCWD, "./config", 0777 [pid 3199] <... mprotect resumed>) = 0 [pid 3197] <... futex resumed>) = 0 [pid 3200] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3199] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3197] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3199] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3200] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3199] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3200] <... futex resumed>) = 1 [pid 3200] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3198] <... futex resumed>) = 0 [pid 3199] <... clone3 resumed> => {parent_tid=[3203]}, 88) = 3203 [pid 3198] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... restart_syscall resumed>) = 0 [pid 3200] <... futex resumed>) = 0 [pid 3199] rt_sigprocmask(SIG_SETMASK, [] [pid 3198] <... futex resumed>) = 1 [pid 3199] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3198] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3200] mount(NULL, "./config", "configfs", 0, NULL [pid 3199] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3199] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3199] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3200] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3200] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3200] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3201] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3198] <... futex resumed>) = 0 [pid 3198] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3204 [pid 3201] <... prctl resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3198] <... futex resumed>) = 1 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3198] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3200] <... futex resumed>) = 0 [pid 3200] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3200] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3198] <... futex resumed>) = 0 [pid 3200] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3198] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3200] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3198] <... futex resumed>) = 0 [pid 3200] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3198] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3200] <... futex resumed>) = 0 [pid 3198] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3200] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3198] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3204 attached ci2-android-5-15/strace-static-x86_64: Process 3203 attached [pid 3200] <... mkdirat resumed>) = 0 [pid 3198] <... futex resumed>) = 0 [pid 3200] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3198] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3200] <... futex resumed>) = 0 [pid 3198] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3200] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3198] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3200] <... symlinkat resumed>) = 0 [pid 3198] <... futex resumed>) = 0 [pid 3204] set_robust_list(0x5555810c5760, 24 [pid 3203] set_robust_list(0x7f85c0c359a0, 24 [pid 3200] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3198] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 3200] <... futex resumed>) = 0 [pid 3198] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3200] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3198] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3201] setpgid(0, 0) = 0 [pid 3204] <... set_robust_list resumed>) = 0 [pid 3203] <... set_robust_list resumed>) = 0 [pid 3201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3200] <... unlinkat resumed>) = 0 [pid 3201] <... openat resumed>) = 3 [pid 3200] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3204] rt_sigprocmask(SIG_SETMASK, [] [pid 3201] write(3, "1000", 4) = 4 [pid 3201] close(3) = 0 [pid 3201] write(1, "executing program\n", 18 [pid 3204] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3203] rt_sigprocmask(SIG_SETMASK, [] [pid 3200] <... futex resumed>) = 1 [pid 3198] <... futex resumed>) = 0 [pid 3201] <... write resumed>) = 18 executing program [pid 3198] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3201] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3198] <... futex resumed>) = 0 [pid 3201] <... futex resumed>) = 0 [pid 3198] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3201] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3201] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3201] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3201] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3201] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3204] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3203] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3200] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3201] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3200] <... unlinkat resumed>) = 0 [pid 3201] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3200] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3204] <... prctl resumed>) = 0 [pid 3203] mkdirat(AT_FDCWD, "./config", 0777 [pid 3200] <... futex resumed>) = 1 [pid 3198] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3205 attached ci2-android-5-15/strace-static-x86_64: Process 3202 attached [pid 3204] setpgid(0, 0 [pid 3203] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3201] <... clone3 resumed> => {parent_tid=[3205]}, 88) = 3205 [pid 3200] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3198] exit_group(0 [pid 3204] <... setpgid resumed>) = 0 [pid 3203] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3201] rt_sigprocmask(SIG_SETMASK, [] [pid 3200] <... futex resumed>) = ? [pid 3198] <... exit_group resumed>) = ? [pid 3205] set_robust_list(0x7f85c0c359a0, 24 [pid 3204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3203] <... futex resumed>) = 1 [pid 3201] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3200] +++ exited with 0 +++ [pid 3202] set_robust_list(0x7f85c0c359a0, 24 [pid 3199] <... futex resumed>) = 0 [pid 3198] +++ exited with 0 +++ [pid 3204] <... openat resumed>) = 3 [pid 3201] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3199] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3198, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3199] <... futex resumed>) = 0 [pid 3204] write(3, "1000", 4 [pid 3203] mount(NULL, "./config", "configfs", 0, NULL [pid 3199] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3204] <... write resumed>) = 4 [pid 3203] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3204] close(3 [pid 305] <... restart_syscall resumed>) = 0 [pid 3203] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3204] <... close resumed>) = 0 [pid 3203] <... futex resumed>) = 1 [pid 3199] <... futex resumed>) = 0 [pid 3201] <... futex resumed>) = 0 executing program [pid 3199] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3204] write(1, "executing program\n", 18 [pid 3203] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3201] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3199] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3204] <... write resumed>) = 18 [pid 3203] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3199] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3204] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3203] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3204] <... futex resumed>) = 0 [pid 3203] <... futex resumed>) = 0 [pid 3199] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3204] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3203] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3199] <... futex resumed>) = 0 [pid 3204] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3203] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3199] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3204] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3203] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3206 [pid 3204] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3203] <... futex resumed>) = 0 [pid 3199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3204] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3203] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3199] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3204] <... mmap resumed>) = 0x7f85c0c15000 [pid 3203] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3199] <... futex resumed>) = 0 [pid 3204] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3203] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3199] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3204] <... mprotect resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3206 attached [pid 3206] set_robust_list(0x5555810c5760, 24 [pid 3203] <... mkdirat resumed>) = 0 [pid 3206] <... set_robust_list resumed>) = 0 [pid 3204] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3203] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3204] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3203] <... futex resumed>) = 1 [pid 3199] <... futex resumed>) = 0 [pid 3204] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3203] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3199] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3206] rt_sigprocmask(SIG_SETMASK, [] [pid 3203] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3199] <... futex resumed>) = 0 [pid 3204] <... clone3 resumed> => {parent_tid=[3207]}, 88) = 3207 [pid 3203] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3199] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3204] rt_sigprocmask(SIG_SETMASK, [] [pid 3203] <... symlinkat resumed>) = 0 [pid 3204] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3206] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3203] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3204] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3203] <... futex resumed>) = 1 [pid 3204] <... futex resumed>) = 0 [pid 3199] <... futex resumed>) = 0 [pid 3203] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3204] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3203] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3199] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3203] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3199] <... futex resumed>) = 0 [pid 3206] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3203] <... unlinkat resumed>) = 0 [pid 3199] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3203] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3203] <... futex resumed>) = 0 [pid 3199] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3203] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3199] <... futex resumed>) = 0 [pid 3206] <... prctl resumed>) = 0 [pid 3206] setpgid(0, 0 [pid 3203] <... unlinkat resumed>) = 0 [pid 3199] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3205] <... set_robust_list resumed>) = 0 [pid 3203] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3202] <... set_robust_list resumed>) = 0 [pid 3205] rt_sigprocmask(SIG_SETMASK, [] [pid 3203] <... futex resumed>) = 0 [pid 3199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3205] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3203] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3202] rt_sigprocmask(SIG_SETMASK, [] [pid 3205] mkdirat(AT_FDCWD, "./config", 0777 [pid 3202] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3199] exit_group(0) = ? [pid 3203] <... futex resumed>) = ? [pid 3206] <... setpgid resumed>) = 0 [pid 3206] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3206] write(3, "1000", 4ci2-android-5-15/strace-static-x86_64: Process 3207 attached ) = 4 [pid 3207] set_robust_list(0x7f85c0c359a0, 24 [pid 3206] close(3 [pid 3207] <... set_robust_list resumed>) = 0 [pid 3206] <... close resumed>) = 0 [pid 3203] +++ exited with 0 +++ [pid 3199] +++ exited with 0 +++ [pid 3202] mkdirat(AT_FDCWD, "./config", 0777 [pid 3205] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3202] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3199, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3205] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3202] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3207] rt_sigprocmask(SIG_SETMASK, [] [pid 3206] write(1, "executing program\n", 18 [pid 3205] <... futex resumed>) = 1 [pid 3201] <... futex resumed>) = 0 [pid 3207] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3206] <... write resumed>) = 18 [pid 3202] <... futex resumed>) = 1 executing program [pid 3201] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3197] <... futex resumed>) = 0 [pid 3207] mkdirat(AT_FDCWD, "./config", 0777 [pid 3206] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3201] <... futex resumed>) = 0 [pid 3197] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3207] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3206] <... futex resumed>) = 0 [pid 3205] mount(NULL, "./config", "configfs", 0, NULL [pid 3202] mount(NULL, "./config", "configfs", 0, NULL [pid 3201] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3197] <... futex resumed>) = 0 [pid 3207] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3206] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3197] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3207] <... futex resumed>) = 1 [pid 3206] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3205] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3204] <... futex resumed>) = 0 [pid 3202] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3207] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3206] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3205] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3204] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3207] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3206] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3204] <... futex resumed>) = 0 [pid 3202] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3207] mount(NULL, "./config", "configfs", 0, NULL [pid 3206] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3205] <... futex resumed>) = 1 [pid 3204] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3201] <... futex resumed>) = 0 [pid 3197] <... futex resumed>) = 0 [pid 3202] <... futex resumed>) = 1 [pid 3207] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3206] <... mmap resumed>) = 0x7f85c0c15000 [pid 3205] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3201] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3197] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3207] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3206] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3205] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3202] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3201] <... futex resumed>) = 0 [pid 3197] <... futex resumed>) = 0 [pid 3207] <... futex resumed>) = 1 [pid 3206] <... mprotect resumed>) = 0 [pid 3205] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3204] <... futex resumed>) = 0 [pid 3202] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3201] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3197] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3207] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3206] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3204] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3207] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3206] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3207] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3206] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3207] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3205] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3204] <... futex resumed>) = 0 [pid 3202] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3207] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3206] <... clone3 resumed> => {parent_tid=[3208]}, 88) = 3208 [pid 3205] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3204] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3197] <... futex resumed>) = 0 [pid 3202] <... futex resumed>) = 1 [pid 3207] <... futex resumed>) = 0 [pid 3206] rt_sigprocmask(SIG_SETMASK, [] [pid 3205] <... futex resumed>) = 1 [pid 3204] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3201] <... futex resumed>) = 0 [pid 3197] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3202] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3207] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3206] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3205] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3204] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3201] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3197] <... futex resumed>) = 0 [pid 3202] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3207] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3206] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3205] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3204] <... futex resumed>) = 0 [pid 3202] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3201] <... futex resumed>) = 0 [pid 3197] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3207] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3206] <... futex resumed>) = 0 [pid 3205] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3204] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3202] <... futex resumed>) = 0 [pid 3201] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3197] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3207] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3206] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3205] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3202] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3197] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3207] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3205] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3202] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3207] <... futex resumed>) = 1 [pid 3205] <... futex resumed>) = 1 [pid 3204] <... futex resumed>) = 0 [pid 3202] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3201] <... futex resumed>) = 0 [pid 3197] <... futex resumed>) = 0 [pid 3207] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3205] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3204] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3201] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3207] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3205] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3204] <... futex resumed>) = 0 [pid 3202] <... mkdirat resumed>) = 0 [pid 3201] <... futex resumed>) = 0 [pid 3197] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3207] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3205] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3204] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3202] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3201] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3197] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3207] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3205] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3202] <... futex resumed>) = 0 [pid 3197] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3207] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3205] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3202] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3197] <... futex resumed>) = 0 [pid 3207] <... futex resumed>) = 1 [pid 3205] <... futex resumed>) = 1 [pid 3204] <... futex resumed>) = 0 [pid 3201] <... futex resumed>) = 0 [pid 3207] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3205] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3204] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3202] <... symlinkat resumed>) = 0 [pid 3201] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3197] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3207] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3205] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3204] <... futex resumed>) = 0 [pid 3202] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3201] <... futex resumed>) = 0 [pid 3197] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3207] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3205] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3204] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3202] <... futex resumed>) = 0 [pid 3201] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3197] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3207] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3205] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3202] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3207] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3205] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3197] <... futex resumed>) = 0 [pid 3207] <... futex resumed>) = 1 [pid 3205] <... futex resumed>) = 1 [pid 3204] <... futex resumed>) = 0 [pid 3202] <... unlinkat resumed>) = 0 [pid 3201] <... futex resumed>) = 0 [pid 3197] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3207] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3205] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3204] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3202] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3201] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... restart_syscall resumed>) = 0 [pid 3207] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3205] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3204] <... futex resumed>) = 0 [pid 3202] <... futex resumed>) = 0 [pid 3201] <... futex resumed>) = 0 [pid 3197] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ci2-android-5-15/strace-static-x86_64: Process 3208 attached [pid 3207] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3205] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3204] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3202] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3201] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3197] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3208] set_robust_list(0x7f85c0c359a0, 24 [pid 3207] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3205] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3202] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3197] <... futex resumed>) = 0 [pid 3208] <... set_robust_list resumed>) = 0 [pid 3207] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3205] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3202] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3197] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3208] rt_sigprocmask(SIG_SETMASK, [] [pid 3207] <... futex resumed>) = 1 [pid 3205] <... futex resumed>) = 1 [pid 3204] <... futex resumed>) = 0 [pid 3201] <... futex resumed>) = 0 [pid 3208] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3207] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3205] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3204] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3202] <... unlinkat resumed>) = 0 [pid 3201] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3208] mkdirat(AT_FDCWD, "./config", 0777 [pid 3207] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3205] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3204] <... futex resumed>) = 0 [pid 3202] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3201] <... futex resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3208] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3207] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3205] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3204] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3202] <... futex resumed>) = 1 [pid 3201] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3197] <... futex resumed>) = 0 [pid 3208] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3207] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3208] <... futex resumed>) = 1 [pid 3207] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3206] <... futex resumed>) = 0 [pid 3208] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3207] <... futex resumed>) = 0 [pid 3206] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3207] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3206] <... futex resumed>) = 0 [pid 3208] mount(NULL, "./config", "configfs", 0, NULL [pid 3206] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3208] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3208] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3206] <... futex resumed>) = 0 [pid 3205] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3204] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3202] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3208] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3206] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3205] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3204] exit_group(0 [pid 3197] exit_group(0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3209 [pid 3208] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3207] <... futex resumed>) = ? [pid 3206] <... futex resumed>) = 0 [pid 3205] <... futex resumed>) = 1 [pid 3204] <... exit_group resumed>) = ? [pid 3202] <... futex resumed>) = ? [pid 3201] <... futex resumed>) = 0 [pid 3197] <... exit_group resumed>) = ? [pid 3208] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3207] +++ exited with 0 +++ [pid 3206] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3205] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3208] <... futex resumed>) = 0 [pid 3206] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3208] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3206] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3206] <... futex resumed>) = 0 [pid 3208] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3206] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3204] +++ exited with 0 +++ [pid 3208] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3202] +++ exited with 0 +++ [pid 3208] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3201] exit_group(0 [pid 3208] <... futex resumed>) = 1 [pid 3206] <... futex resumed>) = 0 [pid 3208] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3206] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3206] <... futex resumed>) = 0 [pid 3208] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3206] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3208] <... mkdirat resumed>) = 0 [pid 3205] <... futex resumed>) = ? [pid 3201] <... exit_group resumed>) = ? [pid 3197] +++ exited with 0 +++ [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3208] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3205] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 3209 attached [pid 3208] <... futex resumed>) = 1 [pid 3206] <... futex resumed>) = 0 [pid 3209] set_robust_list(0x5555810c5760, 24 [pid 3208] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3206] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3209] <... set_robust_list resumed>) = 0 [pid 3208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3206] <... futex resumed>) = 0 [pid 3209] rt_sigprocmask(SIG_SETMASK, [] [pid 3208] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3206] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3201] +++ exited with 0 +++ [pid 3209] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3208] <... symlinkat resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3204, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3197, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3209] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3208] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3209] <... prctl resumed>) = 0 [pid 3208] <... futex resumed>) = 1 [pid 3206] <... futex resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3201, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3209] setpgid(0, 0 [pid 3208] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3206] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3209] <... setpgid resumed>) = 0 [pid 3208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3206] <... futex resumed>) = 0 [pid 3209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3208] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3206] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3209] <... openat resumed>) = 3 [pid 3208] <... unlinkat resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3209] write(3, "1000", 4 [pid 3208] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3209] <... write resumed>) = 4 [pid 3208] <... futex resumed>) = 1 [pid 3206] <... futex resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3209] close(3 [pid 3208] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3206] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3209] <... close resumed>) = 0 [pid 3208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3206] <... futex resumed>) = 0 [pid 3209] write(1, "executing program\n", 18 [pid 3208] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3206] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3209] <... write resumed>) = 18 [pid 3208] <... unlinkat resumed>) = 0 executing program [pid 312] <... restart_syscall resumed>) = 0 [pid 3209] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3208] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3210 [pid 3209] <... futex resumed>) = 0 [pid 3208] <... futex resumed>) = 1 [pid 3206] <... futex resumed>) = 0 [pid 3209] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3208] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3206] exit_group(0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3209] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3208] <... futex resumed>) = ? [pid 3206] <... exit_group resumed>) = ? [pid 312] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 3210 attached [pid 3209] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3208] +++ exited with 0 +++ [pid 3206] +++ exited with 0 +++ [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3206, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3209] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3209] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3209] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3209] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3209] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3211 [pid 3209] <... clone3 resumed> => {parent_tid=[3212]}, 88) = 3212 [pid 3209] rt_sigprocmask(SIG_SETMASK, [] [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3209] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3209] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 ci2-android-5-15/strace-static-x86_64: Process 3212 attached [pid 3210] set_robust_list(0x5555810c5760, 24 [pid 3209] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3211 attached [pid 3211] set_robust_list(0x5555810c5760, 24) = 0 [pid 3211] rt_sigprocmask(SIG_SETMASK, [] [pid 3210] <... set_robust_list resumed>) = 0 [pid 3211] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3211] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3211] setpgid(0, 0 [pid 3210] rt_sigprocmask(SIG_SETMASK, [] [pid 3211] <... setpgid resumed>) = 0 [pid 3211] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3210] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3212] set_robust_list(0x7f85c0c359a0, 24 [pid 3211] <... openat resumed>) = 3 [pid 3211] write(3, "1000", 4 [pid 3210] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3211] <... write resumed>) = 4 [pid 3211] close(3) = 0 [pid 3211] write(1, "executing program\n", 18 [pid 3210] <... prctl resumed>) = 0 [pid 3211] <... write resumed>) = 18 executing program [pid 3211] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3211] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3211] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3212] <... set_robust_list resumed>) = 0 [pid 3210] setpgid(0, 0 [pid 3211] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3211] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3211] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3210] <... setpgid resumed>) = 0 [pid 3211] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3211] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3210] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3211] <... clone3 resumed> => {parent_tid=[3213]}, 88) = 3213 [pid 3210] <... openat resumed>) = 3 [pid 3211] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3211] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3211] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3213 attached [pid 3213] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3213] rt_sigprocmask(SIG_SETMASK, [] [pid 3212] rt_sigprocmask(SIG_SETMASK, [] [pid 3210] write(3, "1000", 4 [pid 3213] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3210] <... write resumed>) = 4 [pid 3210] close(3 [pid 3213] mkdirat(AT_FDCWD, "./config", 0777 [pid 3210] <... close resumed>) = 0 [pid 3210] write(1, "executing program\n", 18) = 18 executing program [pid 3213] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3210] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3210] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3212] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3210] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3212] mkdirat(AT_FDCWD, "./config", 0777 [pid 3210] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3213] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3211] <... futex resumed>) = 0 [pid 3211] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3211] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3213] <... futex resumed>) = 1 [pid 3213] mount(NULL, "./config", "configfs", 0, NULL [pid 3210] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3214 [pid 3212] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3210] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3210] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3212] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3210] <... mmap resumed>) = 0x7f85c0c15000 [pid 3210] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3212] <... futex resumed>) = 1 [pid 3209] <... futex resumed>) = 0 [pid 3210] <... mprotect resumed>) = 0 [pid 3212] mount(NULL, "./config", "configfs", 0, NULL [pid 3209] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3210] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3209] <... futex resumed>) = 0 [pid 3212] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3210] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3209] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3210] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3212] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3209] <... futex resumed>) = 0 [pid 3210] <... clone3 resumed> => {parent_tid=[3215]}, 88) = 3215 [pid 3212] <... futex resumed>) = 1 [pid 3209] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3210] rt_sigprocmask(SIG_SETMASK, [] [pid 3209] <... futex resumed>) = 0 [pid 3212] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3210] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3209] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3210] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3212] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3210] <... futex resumed>) = 0 [pid 3212] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3210] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3213] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3209] <... futex resumed>) = 0 [pid 3212] <... futex resumed>) = 1 [pid 3209] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3213] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3212] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3209] <... futex resumed>) = 0 [pid 3212] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3211] <... futex resumed>) = 0 [pid 3209] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3211] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3212] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3211] <... futex resumed>) = 0 [pid 3211] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3213] <... futex resumed>) = 1 [pid 3213] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3209] <... futex resumed>) = 0 [pid 3212] <... futex resumed>) = 1 [pid 3209] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... restart_syscall resumed>) = 0 [pid 3213] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3209] <... futex resumed>) = 0 [pid 3212] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3209] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3211] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3211] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3211] <... futex resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3212] <... mkdirat resumed>) = 0 [pid 3211] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3213] <... futex resumed>) = 1 [pid 3213] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3213] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3211] <... futex resumed>) = 0 [pid 3211] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3212] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3211] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3216 [pid 3213] <... futex resumed>) = 1 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3212] <... futex resumed>) = 1 [pid 3209] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3212] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3209] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3213] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3209] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3212] <... symlinkat resumed>) = 0 [pid 3213] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3212] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3213] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3212] <... futex resumed>) = 1 [pid 3209] <... futex resumed>) = 0 [pid 3209] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3212] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3209] <... futex resumed>) = 0 [pid 3211] <... futex resumed>) = 0 [pid 3209] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3212] <... unlinkat resumed>) = 0 [pid 3211] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3211] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3213] <... futex resumed>) = 1 [pid 3213] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0"ci2-android-5-15/strace-static-x86_64: Process 3216 attached ci2-android-5-15/strace-static-x86_64: Process 3215 attached [pid 3212] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3213] <... symlinkat resumed>) = 0 [pid 3212] <... futex resumed>) = 1 [pid 3209] <... futex resumed>) = 0 [pid 3216] set_robust_list(0x5555810c5760, 24 [pid 3215] set_robust_list(0x7f85c0c359a0, 24 [pid 3212] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3209] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3212] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3209] <... futex resumed>) = 0 [pid 3212] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3209] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3212] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3213] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3212] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3211] <... futex resumed>) = 0 [pid 3209] <... futex resumed>) = 0 [pid 3216] <... set_robust_list resumed>) = 0 [pid 3215] <... set_robust_list resumed>) = 0 [pid 3212] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3211] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3215] rt_sigprocmask(SIG_SETMASK, [] [pid 3211] <... futex resumed>) = 0 [pid 3209] exit_group(0 [pid 3211] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3215] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3212] <... futex resumed>) = ? [pid 3209] <... exit_group resumed>) = ? [pid 3213] <... futex resumed>) = 1 [pid 3213] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3213] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3211] <... futex resumed>) = 0 [pid 3211] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3211] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3212] +++ exited with 0 +++ [pid 3209] +++ exited with 0 +++ [pid 3213] <... futex resumed>) = 1 [pid 3213] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3209, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3215] mkdirat(AT_FDCWD, "./config", 0777 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3215] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3213] <... unlinkat resumed>) = 0 [pid 3213] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3216] rt_sigprocmask(SIG_SETMASK, [] [pid 3215] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3213] <... futex resumed>) = 1 [pid 3211] <... futex resumed>) = 0 [pid 3213] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3211] exit_group(0 [pid 3216] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3215] <... futex resumed>) = 1 [pid 3213] <... futex resumed>) = ? [pid 3211] <... exit_group resumed>) = ? [pid 3210] <... futex resumed>) = 0 [pid 3216] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3215] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3213] +++ exited with 0 +++ [pid 3211] +++ exited with 0 +++ [pid 3210] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3214 attached [pid 3215] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3216] <... prctl resumed>) = 0 [pid 3210] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3211, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... restart_syscall resumed>) = 0 [pid 3216] setpgid(0, 0 [pid 3215] mount(NULL, "./config", "configfs", 0, NULL [pid 3210] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3216] <... setpgid resumed>) = 0 [pid 3215] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3214] set_robust_list(0x5555810c5760, 24 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3214] <... set_robust_list resumed>) = 0 [pid 3215] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3215] <... futex resumed>) = 1 [pid 3210] <... futex resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3215] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3210] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3214] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3214] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3215] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3210] <... futex resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3217 [pid 3215] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3210] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3215] <... futex resumed>) = 0 [pid 3210] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3216] <... openat resumed>) = 3 [pid 3215] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3210] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3210] <... futex resumed>) = 0 [pid 3210] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3216] write(3, "1000", 4 [pid 3215] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3214] <... prctl resumed>) = 0 [pid 3214] setpgid(0, 0) = 0 [pid 3215] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3216] <... write resumed>) = 4 [pid 3215] <... futex resumed>) = 1 [pid 3210] <... futex resumed>) = 0 [pid 3216] close(3 [pid 3215] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3214] <... openat resumed>) = 3 [pid 3210] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3216] <... close resumed>) = 0 [pid 3210] <... futex resumed>) = 0 [pid 3214] write(3, "1000", 4 [pid 3210] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3216] write(1, "executing program\n", 18 [pid 3215] <... mkdirat resumed>) = 0 [pid 3215] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3216] <... write resumed>) = 18 [pid 3214] <... write resumed>) = 4 [pid 3215] <... futex resumed>) = 1 [pid 3210] <... futex resumed>) = 0 [pid 3215] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3210] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3216] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3215] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 3210] <... futex resumed>) = 0 [pid 3216] <... futex resumed>) = 0 [pid 3215] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3210] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3214] close(3 [pid 3215] <... symlinkat resumed>) = 0 [pid 3214] <... close resumed>) = 0 [pid 3216] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3215] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3216] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3215] <... futex resumed>) = 1 [pid 3214] write(1, "executing program\n", 18 [pid 3210] <... futex resumed>) = 0 [pid 3216] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3215] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3210] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3216] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3215] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3210] <... futex resumed>) = 0 [pid 3216] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3215] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3216] <... mmap resumed>) = 0x7f85c0c15000 [pid 3210] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3216] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3215] <... unlinkat resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3217 attached executing program [pid 3216] <... mprotect resumed>) = 0 [pid 3215] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3214] <... write resumed>) = 18 [pid 3217] set_robust_list(0x5555810c5760, 24 [pid 3216] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3215] <... futex resumed>) = 1 [pid 3214] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3210] <... futex resumed>) = 0 [pid 3216] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3215] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3210] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3216] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3215] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3210] <... futex resumed>) = 0 [pid 3210] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3215] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3216] <... clone3 resumed> => {parent_tid=[3218]}, 88) = 3218 [pid 3217] <... set_robust_list resumed>) = 0 [pid 3214] <... futex resumed>) = 0 [pid 3217] rt_sigprocmask(SIG_SETMASK, [] [pid 3216] rt_sigprocmask(SIG_SETMASK, [] [pid 3215] <... unlinkat resumed>) = 0 [pid 3214] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 312] <... restart_syscall resumed>) = 0 [pid 3217] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3216] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3215] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3214] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3217] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3216] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3215] <... futex resumed>) = 1 [pid 3214] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3210] <... futex resumed>) = 0 [pid 3217] <... prctl resumed>) = 0 [pid 3214] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3217] setpgid(0, 0 [pid 3214] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3217] <... setpgid resumed>) = 0 [pid 3214] <... mmap resumed>) = 0x7f85c0c15000 [pid 3217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3214] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3217] <... openat resumed>) = 3 [pid 3216] <... futex resumed>) = 0 [pid 3215] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3214] <... mprotect resumed>) = 0 [pid 3210] exit_group(0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3217] write(3, "1000", 4 [pid 3216] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3215] <... futex resumed>) = ? [pid 3214] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3210] <... exit_group resumed>) = ? [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3217] <... write resumed>) = 4 [pid 3215] +++ exited with 0 +++ [pid 3214] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3217] close(3 [pid 3214] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3217] <... close resumed>) = 0 [pid 3217] write(1, "executing program\n", 18 [pid 3214] <... clone3 resumed> => {parent_tid=[3219]}, 88) = 3219 [pid 3217] <... write resumed>) = 18 [pid 3214] rt_sigprocmask(SIG_SETMASK, [] [pid 3210] +++ exited with 0 +++ executing program [pid 3217] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3214] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3217] <... futex resumed>) = 0 [pid 3214] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3217] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3214] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3218 attached [pid 3217] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3214] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3218] set_robust_list(0x7f85c0c359a0, 24 [pid 3217] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3218] <... set_robust_list resumed>) = 0 [pid 3217] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3210, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3218] rt_sigprocmask(SIG_SETMASK, [] [pid 3217] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3220 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3218] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3217] <... mmap resumed>) = 0x7f85c0c15000 ci2-android-5-15/strace-static-x86_64: Process 3219 attached [pid 3218] mkdirat(AT_FDCWD, "./config", 0777 [pid 3217] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3219] set_robust_list(0x7f85c0c359a0, 24 [pid 3218] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3217] <... mprotect resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3218] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3217] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3218] <... futex resumed>) = 1 [pid 3217] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3218] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3217] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3216] <... futex resumed>) = 0 [pid 3217] <... clone3 resumed> => {parent_tid=[3221]}, 88) = 3221 [pid 3216] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3221 attached [pid 3219] <... set_robust_list resumed>) = 0 [pid 3216] <... futex resumed>) = 1 [pid 3218] <... futex resumed>) = 0 [pid 3216] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3218] mount(NULL, "./config", "configfs", 0, NULL [pid 3221] set_robust_list(0x7f85c0c359a0, 24 [pid 3219] rt_sigprocmask(SIG_SETMASK, [] [pid 3218] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3217] rt_sigprocmask(SIG_SETMASK, [] [pid 3218] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3216] <... futex resumed>) = 0 [pid 3217] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3216] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3218] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3217] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3216] <... futex resumed>) = 0 [pid 3218] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3217] <... futex resumed>) = 0 [pid 3216] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3218] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3217] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3218] <... futex resumed>) = 1 [pid 3216] <... futex resumed>) = 0 [pid 3216] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3218] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3219] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3216] <... futex resumed>) = 0 [pid 3216] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3219] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3218] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3218] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3216] <... futex resumed>) = 0 [pid 3219] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3220 attached [pid 3221] <... set_robust_list resumed>) = 0 [pid 3219] <... futex resumed>) = 1 [pid 3218] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3216] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3214] <... futex resumed>) = 0 [pid 3220] set_robust_list(0x5555810c5760, 24 [pid 3219] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3218] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3216] <... futex resumed>) = 0 [pid 3214] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3221] rt_sigprocmask(SIG_SETMASK, [] [pid 3220] <... set_robust_list resumed>) = 0 [pid 3219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3218] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3216] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3214] <... futex resumed>) = 0 [pid 3221] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3220] rt_sigprocmask(SIG_SETMASK, [] [pid 3219] mount(NULL, "./config", "configfs", 0, NULL [pid 3218] <... mkdirat resumed>) = 0 [pid 3214] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3220] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3218] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3220] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3219] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3218] <... futex resumed>) = 1 [pid 3216] <... futex resumed>) = 0 [pid 3221] mkdirat(AT_FDCWD, "./config", 0777 [pid 3220] <... prctl resumed>) = 0 [pid 3218] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3216] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3220] setpgid(0, 0 [pid 3219] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3218] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3216] <... futex resumed>) = 0 [pid 3220] <... setpgid resumed>) = 0 [pid 3218] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3216] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3221] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3219] <... futex resumed>) = 1 [pid 3218] <... symlinkat resumed>) = 0 [pid 3214] <... futex resumed>) = 0 [pid 3220] <... openat resumed>) = 3 [pid 3219] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3218] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3214] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... restart_syscall resumed>) = 0 [pid 3221] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3220] write(3, "1000", 4 [pid 3219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3218] <... futex resumed>) = 1 [pid 3216] <... futex resumed>) = 0 [pid 3214] <... futex resumed>) = 0 [pid 3221] <... futex resumed>) = 1 [pid 3220] <... write resumed>) = 4 [pid 3219] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3218] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3217] <... futex resumed>) = 0 [pid 3216] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3214] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3221] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3220] close(3 [pid 3219] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3218] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3217] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3216] <... futex resumed>) = 0 [pid 3221] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3220] <... close resumed>) = 0 [pid 3219] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3218] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3217] <... futex resumed>) = 0 [pid 3216] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3221] mount(NULL, "./config", "configfs", 0, NULL [pid 3220] write(1, "executing program\n", 18 [pid 3219] <... futex resumed>) = 1 [pid 3218] <... unlinkat resumed>) = 0 executing program [pid 3217] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3214] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3221] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3220] <... write resumed>) = 18 [pid 3219] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3218] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3214] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3221] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3220] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3218] <... futex resumed>) = 1 [pid 3216] <... futex resumed>) = 0 [pid 3214] <... futex resumed>) = 0 [pid 3220] <... futex resumed>) = 0 [pid 3218] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3214] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3220] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3220] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3221] <... futex resumed>) = 1 [pid 3220] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3219] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3217] <... futex resumed>) = 0 [pid 3216] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3221] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3220] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3219] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3218] <... futex resumed>) = 0 [pid 3217] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3216] <... futex resumed>) = 1 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3222 [pid 3221] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3220] <... mmap resumed>) = 0x7f85c0c15000 [pid 3219] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3218] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3217] <... futex resumed>) = 0 [pid 3216] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3221] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3220] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3219] <... futex resumed>) = 1 [pid 3218] <... unlinkat resumed>) = 0 [pid 3217] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3214] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3221] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3220] <... mprotect resumed>) = 0 [pid 3219] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3218] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3214] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3221] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3220] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3218] <... futex resumed>) = 1 [pid 3216] <... futex resumed>) = 0 [pid 3214] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3221] <... futex resumed>) = 1 [pid 3220] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3219] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3218] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3217] <... futex resumed>) = 0 [pid 3216] exit_group(0 [pid 3214] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3221] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3220] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3219] <... mkdirat resumed>) = 0 [pid 3221] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3219] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3218] <... futex resumed>) = ? [pid 3217] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3216] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 3223 attached [pid 3221] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3220] <... clone3 resumed> => {parent_tid=[3223]}, 88) = 3223 [pid 3219] <... futex resumed>) = 1 [pid 3218] +++ exited with 0 +++ [pid 3217] <... futex resumed>) = 0 [pid 3214] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3222 attached [pid 3220] rt_sigprocmask(SIG_SETMASK, [] [pid 3214] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3222] set_robust_list(0x5555810c5760, 24 [pid 3220] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3214] <... futex resumed>) = 0 [pid 3222] <... set_robust_list resumed>) = 0 [pid 3220] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3216] +++ exited with 0 +++ [pid 3214] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3222] rt_sigprocmask(SIG_SETMASK, [] [pid 3221] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3220] <... futex resumed>) = 0 [pid 3219] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3217] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3222] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3221] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3220] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3222] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3221] <... futex resumed>) = 0 [pid 3219] <... symlinkat resumed>) = 0 [pid 3217] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3216, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3221] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3219] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3217] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3222] <... prctl resumed>) = 0 [pid 3221] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3219] <... futex resumed>) = 1 [pid 3217] <... futex resumed>) = 0 [pid 3214] <... futex resumed>) = 0 [pid 3222] setpgid(0, 0 [pid 3221] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3219] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3217] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3214] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3222] <... setpgid resumed>) = 0 [pid 3221] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3214] <... futex resumed>) = 0 [pid 3222] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3221] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3219] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3214] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3222] <... openat resumed>) = 3 [pid 3221] <... futex resumed>) = 1 [pid 3219] <... unlinkat resumed>) = 0 [pid 3217] <... futex resumed>) = 0 [pid 3221] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3219] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3217] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3222] write(3, "1000", 4 [pid 3221] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3219] <... futex resumed>) = 1 [pid 3214] <... futex resumed>) = 0 [pid 3222] <... write resumed>) = 4 [pid 3221] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3219] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3217] <... futex resumed>) = 0 [pid 3214] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3222] close(3 [pid 3221] <... symlinkat resumed>) = 0 [pid 3219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3217] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3214] <... futex resumed>) = 0 [pid 3222] <... close resumed>) = 0 [pid 3221] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3219] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3217] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3214] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3222] write(1, "executing program\n", 18 [pid 3221] <... futex resumed>) = 0 [pid 3219] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3217] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3221] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3219] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3217] <... futex resumed>) = 0 [pid 3222] <... write resumed>) = 18 [pid 3221] <... unlinkat resumed>) = 0 [pid 3222] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3221] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3219] <... futex resumed>) = 1 [pid 3217] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3214] <... futex resumed>) = 0 executing program [pid 3222] <... futex resumed>) = 0 [pid 3221] <... futex resumed>) = 0 [pid 3219] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3217] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3214] exit_group(0 [pid 3222] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3221] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3219] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 3217] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3223] set_robust_list(0x7f85c0c359a0, 24 [pid 3222] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3221] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3214] <... exit_group resumed>) = ? [pid 3223] <... set_robust_list resumed>) = 0 [pid 3222] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3221] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3219] +++ exited with 0 +++ [pid 3217] <... futex resumed>) = 0 [pid 3214] +++ exited with 0 +++ [pid 305] <... restart_syscall resumed>) = 0 [pid 3222] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3222] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3223] rt_sigprocmask(SIG_SETMASK, [] [pid 3222] <... mmap resumed>) = 0x7f85c0c15000 [pid 3221] <... unlinkat resumed>) = 0 [pid 3217] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3214, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3223] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3222] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3221] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3217] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3223] mkdirat(AT_FDCWD, "./config", 0777 [pid 3222] <... mprotect resumed>) = 0 [pid 3221] <... futex resumed>) = 0 [pid 3217] exit_group(0 [pid 3222] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3223] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3222] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3217] <... exit_group resumed>) = ? [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3222] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3221] +++ exited with 0 +++ [pid 3222] <... clone3 resumed> => {parent_tid=[3224]}, 88) = 3224 [pid 3222] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3222] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3222] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3224 attached [pid 3217] +++ exited with 0 +++ [pid 3224] set_robust_list(0x7f85c0c359a0, 24 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3223] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... restart_syscall resumed>) = 0 [pid 3224] <... set_robust_list resumed>) = 0 [pid 3224] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3224] mkdirat(AT_FDCWD, "./config", 0777 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3217, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3223] <... futex resumed>) = 1 [pid 3220] <... futex resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3223] mount(NULL, "./config", "configfs", 0, NULL [pid 3220] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... restart_syscall resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3225 [pid 3220] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3220] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3223] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3223] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3224] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3224] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3222] <... futex resumed>) = 0 [pid 3222] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3223] <... futex resumed>) = 1 [pid 3222] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3220] <... futex resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3226 [pid 3220] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3220] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3224] <... futex resumed>) = 1 [pid 3224] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3227 [pid 3223] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3223] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3224] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3223] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3222] <... futex resumed>) = 0 [pid 3220] <... futex resumed>) = 0 [pid 3222] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3220] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3222] <... futex resumed>) = 0 [pid 3220] <... futex resumed>) = 0 [pid 3222] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3220] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3224] <... futex resumed>) = 1 [pid 3224] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3224] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3222] <... futex resumed>) = 0 [pid 3222] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3222] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3226 attached ci2-android-5-15/strace-static-x86_64: Process 3227 attached ci2-android-5-15/strace-static-x86_64: Process 3225 attached [pid 3223] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3224] <... futex resumed>) = 1 [pid 3224] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3224] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3222] <... futex resumed>) = 0 [pid 3222] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3222] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3224] <... futex resumed>) = 1 [pid 3226] set_robust_list(0x5555810c5760, 24 [pid 3225] set_robust_list(0x5555810c5760, 24 [pid 3223] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3225] <... set_robust_list resumed>) = 0 [pid 3224] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3226] <... set_robust_list resumed>) = 0 [pid 3223] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3220] <... futex resumed>) = 0 [pid 3225] rt_sigprocmask(SIG_SETMASK, [] [pid 3223] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3220] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3226] rt_sigprocmask(SIG_SETMASK, [] [pid 3225] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3223] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3220] <... futex resumed>) = 0 [pid 3223] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3220] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3225] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3224] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3225] <... prctl resumed>) = 0 [pid 3223] <... mkdirat resumed>) = 0 [pid 3226] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3225] setpgid(0, 0 [pid 3223] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3225] <... setpgid resumed>) = 0 [pid 3224] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3223] <... futex resumed>) = 1 [pid 3220] <... futex resumed>) = 0 [pid 3226] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3223] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3220] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3223] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3220] <... futex resumed>) = 0 [pid 3220] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3226] <... prctl resumed>) = 0 [pid 3225] <... openat resumed>) = 3 [pid 3224] <... futex resumed>) = 1 [pid 3223] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3222] <... futex resumed>) = 0 [pid 3224] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3222] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3226] setpgid(0, 0 [pid 3225] write(3, "1000", 4 [pid 3224] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3223] <... symlinkat resumed>) = 0 [pid 3222] <... futex resumed>) = 0 [pid 3226] <... setpgid resumed>) = 0 [pid 3225] <... write resumed>) = 4 [pid 3224] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3223] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3222] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3224] <... futex resumed>) = 0 [pid 3222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3225] close(3 [pid 3224] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3223] <... futex resumed>) = 1 [pid 3222] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3220] <... futex resumed>) = 0 [pid 3226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3225] <... close resumed>) = 0 [pid 3224] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3223] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3222] <... futex resumed>) = 0 [pid 3220] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3225] write(1, "executing program\n", 18 [pid 3224] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3223] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3222] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3220] <... futex resumed>) = 0 [pid 3226] <... openat resumed>) = 3 [pid 3225] <... write resumed>) = 18 [pid 3224] <... unlinkat resumed>) = 0 [pid 3223] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3220] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3224] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3223] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3225] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3227] set_robust_list(0x5555810c5760, 24 [pid 3226] write(3, "1000", 4 executing program [pid 3223] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3225] <... futex resumed>) = 0 [pid 3226] <... write resumed>) = 4 [pid 3224] <... futex resumed>) = 1 [pid 3227] <... set_robust_list resumed>) = 0 [pid 3223] <... futex resumed>) = 1 [pid 3222] <... futex resumed>) = 0 [pid 3220] <... futex resumed>) = 0 [pid 3226] close(3 [pid 3225] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3224] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3223] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3222] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3220] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3227] rt_sigprocmask(SIG_SETMASK, [] [pid 3226] <... close resumed>) = 0 [pid 3225] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3223] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3222] <... futex resumed>) = 0 [pid 3227] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3226] write(1, "executing program\n", 18 [pid 3225] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3224] <... unlinkat resumed>) = 0 [pid 3223] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3222] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3220] <... futex resumed>) = 0 [pid 3226] <... write resumed>) = 18 [pid 3225] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3224] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3223] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3220] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3227] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3226] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3225] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3224] <... futex resumed>) = 1 [pid 3223] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3222] <... futex resumed>) = 0 executing program [pid 3220] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3227] <... prctl resumed>) = 0 [pid 3226] <... futex resumed>) = 0 [pid 3225] <... mmap resumed>) = 0x7f85c0c15000 [pid 3224] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3223] <... futex resumed>) = 0 [pid 3222] exit_group(0 [pid 3220] exit_group(0 [pid 3227] setpgid(0, 0 [pid 3226] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3225] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3224] <... futex resumed>) = ? [pid 3222] <... exit_group resumed>) = ? [pid 3220] <... exit_group resumed>) = ? [pid 3227] <... setpgid resumed>) = 0 [pid 3226] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3225] <... mprotect resumed>) = 0 [pid 3224] +++ exited with 0 +++ [pid 3223] +++ exited with 0 +++ [pid 3227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3226] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3225] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3227] <... openat resumed>) = 3 [pid 3226] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3225] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3222] +++ exited with 0 +++ [pid 3227] write(3, "1000", 4 [pid 3226] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3225] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3222, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 3228 attached [pid 3227] <... write resumed>) = 4 [pid 3226] <... mmap resumed>) = 0x7f85c0c15000 [pid 3220] +++ exited with 0 +++ [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3228] set_robust_list(0x7f85c0c359a0, 24 [pid 3227] close(3 [pid 3226] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3225] <... clone3 resumed> => {parent_tid=[3228]}, 88) = 3228 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3220, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3228] <... set_robust_list resumed>) = 0 [pid 3227] <... close resumed>) = 0 [pid 3226] <... mprotect resumed>) = 0 [pid 3225] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... restart_syscall resumed>) = 0 [pid 3228] rt_sigprocmask(SIG_SETMASK, [] [pid 3227] write(1, "executing program\n", 18 [pid 3226] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3225] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 3228] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3227] <... write resumed>) = 18 [pid 3226] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3225] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3228] mkdirat(AT_FDCWD, "./config", 0777 [pid 3227] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3226] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3225] <... futex resumed>) = 0 [pid 3228] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3227] <... futex resumed>) = 0 [pid 3225] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3228] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3227] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3226] <... clone3 resumed> => {parent_tid=[3229]}, 88) = 3229 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3227] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3226] rt_sigprocmask(SIG_SETMASK, [] [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3227] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3226] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3228] <... futex resumed>) = 1 [pid 3225] <... futex resumed>) = 0 [pid 3228] mount(NULL, "./config", "configfs", 0, NULL [pid 3225] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3228] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3225] <... futex resumed>) = 0 [pid 3228] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3227] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3226] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3225] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3228] <... futex resumed>) = 0 [pid 3227] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3226] <... futex resumed>) = 0 [pid 3225] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3230 [pid 3228] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3227] <... mmap resumed>) = 0x7f85c0c15000 [pid 3226] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3225] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3228] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3227] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3225] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3228] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3227] <... mprotect resumed>) = 0 [pid 3225] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3228] <... futex resumed>) = 0 [pid 3227] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3225] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3228] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3227] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3225] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3228] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3227] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3225] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3230 attached ci2-android-5-15/strace-static-x86_64: Process 3229 attached [pid 3228] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3225] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3228] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3228] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3227] <... clone3 resumed> => {parent_tid=[3231]}, 88) = 3231 [pid 3228] <... futex resumed>) = 1 [pid 3227] rt_sigprocmask(SIG_SETMASK, [] [pid 3225] <... futex resumed>) = 0 [pid 3228] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3227] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3225] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3231 attached [pid 3228] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3230] set_robust_list(0x5555810c5760, 24 [pid 3229] set_robust_list(0x7f85c0c359a0, 24 [pid 3227] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3225] <... futex resumed>) = 0 [pid 3228] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3227] <... futex resumed>) = 0 [pid 3225] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3231] set_robust_list(0x7f85c0c359a0, 24 [pid 3230] <... set_robust_list resumed>) = 0 [pid 3229] <... set_robust_list resumed>) = 0 [pid 3228] <... mkdirat resumed>) = 0 [pid 3227] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3231] <... set_robust_list resumed>) = 0 [pid 3230] rt_sigprocmask(SIG_SETMASK, [] [pid 3228] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3225] <... futex resumed>) = 0 [pid 3228] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3225] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3228] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3225] <... futex resumed>) = 0 [pid 3228] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3225] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3231] rt_sigprocmask(SIG_SETMASK, [] [pid 3230] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3229] rt_sigprocmask(SIG_SETMASK, [] [pid 3228] <... symlinkat resumed>) = 0 [pid 3228] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3225] <... futex resumed>) = 0 [pid 3228] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3225] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3228] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3225] <... futex resumed>) = 0 [pid 3228] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3225] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3231] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3230] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3229] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3228] <... unlinkat resumed>) = 0 [pid 3228] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3225] <... futex resumed>) = 0 [pid 3228] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3225] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3230] <... prctl resumed>) = 0 [pid 3229] mkdirat(AT_FDCWD, "./config", 0777 [pid 3228] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3225] <... futex resumed>) = 0 [pid 3228] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3225] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3231] mkdirat(AT_FDCWD, "./config", 0777 [pid 3230] setpgid(0, 0 [pid 3229] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3228] <... unlinkat resumed>) = 0 [pid 3228] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3225] <... futex resumed>) = 0 [pid 3228] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3225] exit_group(0 [pid 3230] <... setpgid resumed>) = 0 [pid 3228] <... futex resumed>) = ? [pid 3225] <... exit_group resumed>) = ? [pid 3231] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3229] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3228] +++ exited with 0 +++ [pid 3225] +++ exited with 0 +++ [pid 3231] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3225, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3231] <... futex resumed>) = 1 [pid 3227] <... futex resumed>) = 0 [pid 3231] mount(NULL, "./config", "configfs", 0, NULL [pid 3230] <... openat resumed>) = 3 [pid 3227] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3231] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3230] write(3, "1000", 4 [pid 3229] <... futex resumed>) = 1 [pid 3227] <... futex resumed>) = 0 [pid 3226] <... futex resumed>) = 0 [pid 3231] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3227] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3226] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3231] <... futex resumed>) = 0 [pid 3230] <... write resumed>) = 4 [pid 3229] mount(NULL, "./config", "configfs", 0, NULL [pid 3227] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3231] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3230] close(3 [pid 3227] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3226] <... futex resumed>) = 0 [pid 3231] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3230] <... close resumed>) = 0 [pid 3227] <... futex resumed>) = 0 [pid 3226] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3231] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3230] write(1, "executing program\n", 18 [pid 3229] <... mount resumed>) = -1 EBUSY (Device or resource busy) executing program [pid 3227] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3231] <... futex resumed>) = 0 [pid 3230] <... write resumed>) = 18 [pid 3229] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3227] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3231] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3230] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3227] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3231] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3230] <... futex resumed>) = 0 [pid 3229] <... futex resumed>) = 1 [pid 3227] <... futex resumed>) = 0 [pid 3226] <... futex resumed>) = 0 [pid 3231] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3230] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3227] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3226] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3229] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3231] <... futex resumed>) = 0 [pid 3230] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3227] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3226] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... restart_syscall resumed>) = 0 [pid 3231] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3230] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3229] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3227] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3226] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3231] <... mkdirat resumed>) = 0 [pid 3230] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3229] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3227] <... futex resumed>) = 0 [pid 3226] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3231] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3230] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3229] <... futex resumed>) = 0 [pid 3227] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3226] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3231] <... futex resumed>) = 0 [pid 3227] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3231] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3227] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3231] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3227] <... futex resumed>) = 0 [pid 3231] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3227] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3231] <... symlinkat resumed>) = 0 [pid 3230] <... mmap resumed>) = 0x7f85c0c15000 [pid 3229] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3226] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3232 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3231] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3230] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3229] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3226] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3231] <... futex resumed>) = 1 [pid 3230] <... mprotect resumed>) = 0 [pid 3229] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3227] <... futex resumed>) = 0 [pid 3226] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3231] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3230] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3229] <... futex resumed>) = 0 [pid 3227] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3226] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3231] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3227] <... futex resumed>) = 0 [pid 3231] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3230] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3229] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3227] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3226] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3233 attached [pid 3231] <... unlinkat resumed>) = 0 [pid 3230] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3229] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3226] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3233 [pid 3231] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3232 attached ) = 1 [pid 3229] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3227] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3232] set_robust_list(0x5555810c5760, 24 [pid 3231] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3230] <... clone3 resumed> => {parent_tid=[3234]}, 88) = 3234 [pid 3229] <... futex resumed>) = 1 [pid 3227] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3226] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3232] <... set_robust_list resumed>) = 0 [pid 3231] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3230] rt_sigprocmask(SIG_SETMASK, [] [pid 3229] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3227] <... futex resumed>) = 0 [pid 3226] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3233] set_robust_list(0x5555810c5760, 24 [pid 3232] rt_sigprocmask(SIG_SETMASK, [] [pid 3231] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3230] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3229] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3227] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3226] <... futex resumed>) = 0 [pid 3233] <... set_robust_list resumed>) = 0 [pid 3232] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3231] <... unlinkat resumed>) = 0 [pid 3230] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3229] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3226] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3233] rt_sigprocmask(SIG_SETMASK, [] [pid 3232] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3231] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3230] <... futex resumed>) = 0 [pid 3233] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3232] <... prctl resumed>) = 0 [pid 3231] <... futex resumed>) = 1 [pid 3229] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3227] <... futex resumed>) = 0 [pid 3233] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3232] setpgid(0, 0 [pid 3231] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3230] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3229] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3227] exit_group(0 [pid 3233] <... prctl resumed>) = 0 [pid 3232] <... setpgid resumed>) = 0 [pid 3231] <... futex resumed>) = ? [pid 3229] <... futex resumed>) = 1 [pid 3227] <... exit_group resumed>) = ? [pid 3226] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3234 attached [pid 3233] setpgid(0, 0 [pid 3232] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3231] +++ exited with 0 +++ [pid 3229] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3227] +++ exited with 0 +++ [pid 3226] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3234] set_robust_list(0x7f85c0c359a0, 24 [pid 3233] <... setpgid resumed>) = 0 [pid 3232] <... openat resumed>) = 3 [pid 3229] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3226] <... futex resumed>) = 0 [pid 3229] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3226] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3227, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3229] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3233] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3229] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3229] <... futex resumed>) = 1 [pid 3226] <... futex resumed>) = 0 [pid 3229] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3226] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3233] <... openat resumed>) = 3 [pid 3229] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3226] <... futex resumed>) = 0 [pid 3234] <... set_robust_list resumed>) = 0 [pid 3232] write(3, "1000", 4 [pid 3229] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3233] write(3, "1000", 4 [pid 3226] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3234] rt_sigprocmask(SIG_SETMASK, [] [pid 3233] <... write resumed>) = 4 [pid 3232] <... write resumed>) = 4 [pid 3229] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3234] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3232] close(3 [pid 3233] close(3 [pid 3229] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3234] mkdirat(AT_FDCWD, "./config", 0777 [pid 3232] <... close resumed>) = 0 [pid 3233] <... close resumed>) = 0 [pid 3229] <... futex resumed>) = 1 [pid 3226] <... futex resumed>) = 0 [pid 3234] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3233] write(1, "executing program\n", 18 [pid 3232] write(1, "executing program\n", 18 [pid 3229] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3234] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3232] <... write resumed>) = 18 executing program executing program [pid 3226] exit_group(0 [pid 3234] <... futex resumed>) = 1 [pid 3233] <... write resumed>) = 18 [pid 3232] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3230] <... futex resumed>) = 0 [pid 3226] <... exit_group resumed>) = ? [pid 3229] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 3234] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3233] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3232] <... futex resumed>) = 0 [pid 3230] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3232] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3234] mount(NULL, "./config", "configfs", 0, NULL [pid 3232] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3234] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3232] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3234] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3232] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3234] <... futex resumed>) = 0 [pid 3232] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3229] +++ exited with 0 +++ [pid 3226] +++ exited with 0 +++ [pid 3234] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3233] <... futex resumed>) = 0 [pid 3232] <... mmap resumed>) = 0x7f85c0c15000 [pid 3230] <... futex resumed>) = 0 [pid 3233] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3232] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3230] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3233] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3232] <... mprotect resumed>) = 0 [pid 3230] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3226, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3233] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3232] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3230] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3233] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3232] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3234] <... futex resumed>) = 0 [pid 3233] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3232] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3230] <... futex resumed>) = 1 [pid 3234] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3233] <... mmap resumed>) = 0x7f85c0c15000 [pid 3230] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3235 attached [pid 3234] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3233] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3232] <... clone3 resumed> => {parent_tid=[3235]}, 88) = 3235 [pid 311] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 3234] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3233] <... mprotect resumed>) = 0 [pid 3232] rt_sigprocmask(SIG_SETMASK, [] [pid 3234] <... futex resumed>) = 1 [pid 3233] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3232] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3230] <... futex resumed>) = 0 [pid 3234] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3233] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3232] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3230] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3233] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3232] <... futex resumed>) = 0 [pid 3230] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3234] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3232] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3230] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3234] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3233] <... clone3 resumed> => {parent_tid=[3236]}, 88) = 3236 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3234] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3233] rt_sigprocmask(SIG_SETMASK, [] [pid 3234] <... futex resumed>) = 1 [pid 3234] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 3236 attached [pid 3230] <... futex resumed>) = 0 [pid 3236] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3236] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3236] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3235] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3230] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3233] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3237 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3238 [pid 3230] <... futex resumed>) = 1 [pid 3234] <... futex resumed>) = 0 [pid 3233] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3234] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3233] <... futex resumed>) = 1 [pid 3230] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3235] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3234] <... mkdirat resumed>) = 0 [pid 3233] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3234] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3234] <... futex resumed>) = 1 [pid 3230] <... futex resumed>) = 0 [pid 3234] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3230] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3230] <... futex resumed>) = 0 [pid 3234] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3230] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3235] mkdirat(AT_FDCWD, "./config", 0777 [pid 3234] <... symlinkat resumed>) = 0 [pid 3234] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3230] <... futex resumed>) = 0 [pid 3234] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3230] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3230] <... futex resumed>) = 0 [pid 3234] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3230] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3235] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3234] <... unlinkat resumed>) = 0 [pid 3235] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3234] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3232] <... futex resumed>) = 0 [pid 3230] <... futex resumed>) = 0 [pid 3234] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3232] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3230] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3232] <... futex resumed>) = 0 [pid 3230] <... futex resumed>) = 0 [pid 3234] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3232] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3230] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3235] <... futex resumed>) = 1 [pid 3234] <... unlinkat resumed>) = 0 [pid 3235] mount(NULL, "./config", "configfs", 0, NULL [pid 3234] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3235] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3234] <... futex resumed>) = 1 [pid 3230] <... futex resumed>) = 0 [pid 3236] <... futex resumed>) = 0 [pid 3234] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3230] exit_group(0 [pid 3235] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3234] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 3230] <... exit_group resumed>) = ? [pid 3234] +++ exited with 0 +++ [pid 3232] <... futex resumed>) = 0 [pid 3235] <... futex resumed>) = 1 [pid 3232] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3235] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3232] <... futex resumed>) = 0 [pid 3235] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3232] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3235] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3232] <... futex resumed>) = 0 [pid 3235] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3232] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3235] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3232] <... futex resumed>) = 0 [pid 3230] +++ exited with 0 +++ [pid 3235] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3232] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3235] <... futex resumed>) = 0 [pid 3232] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3230, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3235] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3232] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 3237 attached [pid 3236] mkdirat(AT_FDCWD, "./config", 0777 [pid 3235] <... mkdirat resumed>) = 0 [pid 3232] <... futex resumed>) = 0 [pid 3235] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3232] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3235] <... futex resumed>) = 0 [pid 3232] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3235] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3232] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3237] set_robust_list(0x5555810c5760, 24 [pid 3236] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3235] <... symlinkat resumed>) = 0 [pid 3232] <... futex resumed>) = 0 [pid 3235] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3232] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3235] <... futex resumed>) = 0 [pid 3232] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3235] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3232] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3238 attached [pid 3237] <... set_robust_list resumed>) = 0 [pid 3236] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3235] <... unlinkat resumed>) = 0 [pid 3232] <... futex resumed>) = 0 [pid 3238] set_robust_list(0x5555810c5760, 24 [pid 3235] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3232] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3238] <... set_robust_list resumed>) = 0 [pid 3236] <... futex resumed>) = 1 [pid 3235] <... futex resumed>) = 0 [pid 3233] <... futex resumed>) = 0 [pid 3232] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3238] rt_sigprocmask(SIG_SETMASK, [] [pid 3237] rt_sigprocmask(SIG_SETMASK, [] [pid 3235] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3233] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3232] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3238] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3237] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3236] mount(NULL, "./config", "configfs", 0, NULL [pid 3235] <... unlinkat resumed>) = 0 [pid 3233] <... futex resumed>) = 0 [pid 3232] <... futex resumed>) = 0 [pid 3235] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3233] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3232] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3236] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3235] <... futex resumed>) = 0 [pid 3232] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3235] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3232] exit_group(0 [pid 3235] <... futex resumed>) = ? [pid 3232] <... exit_group resumed>) = ? [pid 3238] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3237] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3236] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3235] +++ exited with 0 +++ [pid 3232] +++ exited with 0 +++ [pid 3238] <... prctl resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3232, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3236] <... futex resumed>) = 1 [pid 3233] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3233] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3236] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3233] <... futex resumed>) = 0 [pid 3237] <... prctl resumed>) = 0 [pid 3233] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3236] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3238] setpgid(0, 0) = 0 [pid 3238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3237] setpgid(0, 0 [pid 3236] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3238] <... openat resumed>) = 3 [pid 3233] <... futex resumed>) = 0 [pid 3236] <... futex resumed>) = 1 [pid 3237] <... setpgid resumed>) = 0 [pid 3236] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3233] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3236] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3233] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3238] write(3, "1000", 4 [pid 3236] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3237] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3238] <... write resumed>) = 4 [pid 3236] <... futex resumed>) = 1 [pid 3233] <... futex resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 3236] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3233] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3237] <... openat resumed>) = 3 [pid 3233] <... futex resumed>) = 0 [pid 3238] close(3 [pid 3233] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3238] <... close resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3237] write(3, "1000", 4 [pid 3236] <... mkdirat resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3238] write(1, "executing program\n", 18) = 18 [pid 3238] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3238] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 3237] <... write resumed>) = 4 [pid 3236] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3239 [pid 3238] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3238] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3237] close(3 [pid 3236] <... futex resumed>) = 1 [pid 3233] <... futex resumed>) = 0 executing program [pid 3236] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3233] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3237] <... close resumed>) = 0 [pid 3233] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3233] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3237] write(1, "executing program\n", 18 [pid 3236] <... symlinkat resumed>) = 0 [pid 3238] <... mmap resumed>) = 0x7f85c0c15000 [pid 3238] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3238] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3236] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3237] <... write resumed>) = 18 executing program [pid 3238] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3233] <... futex resumed>) = 0 [pid 3236] <... futex resumed>) = 1 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3240 [pid 3237] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3236] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3233] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3238] <... clone3 resumed> => {parent_tid=[3241]}, 88) = 3241 [pid 3233] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3238] rt_sigprocmask(SIG_SETMASK, [] [pid 3237] <... futex resumed>) = 0 [pid 3236] <... unlinkat resumed>) = 0 [pid 3233] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3238] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3237] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3236] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3238] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3237] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3236] <... futex resumed>) = 0 [pid 3233] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3238] <... futex resumed>) = 0 [pid 3237] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3236] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3233] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3241 attached ci2-android-5-15/strace-static-x86_64: Process 3239 attached [pid 3238] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3237] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3239] set_robust_list(0x5555810c5760, 24 [pid 3236] <... unlinkat resumed>) = 0 [pid 3233] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3237] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3236] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3236] <... futex resumed>) = 0 [pid 3237] <... mmap resumed>) = 0x7f85c0c15000 [pid 3233] exit_group(0 [pid 3236] ???() = -1 ENOSYS (Function not implemented) [pid 3233] <... exit_group resumed>) = ? [pid 3237] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3239] <... set_robust_list resumed>) = 0 [pid 3236] +++ exited with 0 +++ [pid 3239] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3239] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3239] setpgid(0, 0) = 0 [pid 3233] +++ exited with 0 +++ [pid 3239] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3237] <... mprotect resumed>) = 0 [pid 3239] <... openat resumed>) = 3 [pid 3237] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3233, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 3240 attached [pid 3239] write(3, "1000", 4 [pid 3237] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3240] set_robust_list(0x5555810c5760, 24 [pid 3239] <... write resumed>) = 4 [pid 3237] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3240] <... set_robust_list resumed>) = 0 [pid 3239] close(3ci2-android-5-15/strace-static-x86_64: Process 3242 attached [pid 3240] rt_sigprocmask(SIG_SETMASK, [] [pid 3239] <... close resumed>) = 0 [pid 3241] set_robust_list(0x7f85c0c359a0, 24 [pid 3240] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3239] write(1, "executing program\n", 18 [pid 3241] <... set_robust_list resumed>) = 0 [pid 3240] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3239] <... write resumed>) = 18 executing program [pid 3237] <... clone3 resumed> => {parent_tid=[3242]}, 88) = 3242 [pid 3242] set_robust_list(0x7f85c0c359a0, 24 [pid 3240] <... prctl resumed>) = 0 [pid 3239] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3241] rt_sigprocmask(SIG_SETMASK, [] [pid 3237] rt_sigprocmask(SIG_SETMASK, [] [pid 3242] <... set_robust_list resumed>) = 0 [pid 3240] setpgid(0, 0 [pid 3239] <... futex resumed>) = 0 [pid 3240] <... setpgid resumed>) = 0 [pid 3239] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3242] rt_sigprocmask(SIG_SETMASK, [] [pid 3241] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3240] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3239] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3237] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3241] mkdirat(AT_FDCWD, "./config", 0777 [pid 3240] <... openat resumed>) = 3 [pid 3239] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3237] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3242] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3237] <... futex resumed>) = 0 [pid 3241] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3237] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3241] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3240] write(3, "1000", 4 [pid 3239] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3240] <... write resumed>) = 4 [pid 3239] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3240] close(3 [pid 3239] <... mmap resumed>) = 0x7f85c0c15000 [pid 3241] <... futex resumed>) = 1 [pid 3240] <... close resumed>) = 0 [pid 3239] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3238] <... futex resumed>) = 0 [pid 3240] write(1, "executing program\n", 18 [pid 3239] <... mprotect resumed>) = 0 [pid 3238] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 3242] mkdirat(AT_FDCWD, "./config", 0777 [pid 3241] mount(NULL, "./config", "configfs", 0, NULL [pid 3240] <... write resumed>) = 18 [pid 3239] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3238] <... futex resumed>) = 0 [pid 3240] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3239] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3238] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3240] <... futex resumed>) = 0 [pid 3239] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3240] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3239] <... clone3 resumed> => {parent_tid=[3243]}, 88) = 3243 [pid 3240] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3239] rt_sigprocmask(SIG_SETMASK, [] [pid 3240] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3239] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3240] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3239] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3240] <... mmap resumed>) = 0x7f85c0c15000 [pid 3239] <... futex resumed>) = 0 [pid 3240] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3239] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3242] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3241] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3240] <... mprotect resumed>) = 0 [pid 3241] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3240] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3241] <... futex resumed>) = 1 [pid 3240] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3238] <... futex resumed>) = 0 [pid 3242] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3241] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3240] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3238] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3244 attached [pid 3242] <... futex resumed>) = 1 [pid 3241] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3238] <... futex resumed>) = 0 [pid 3237] <... futex resumed>) = 0 [pid 3240] <... clone3 resumed> => {parent_tid=[3244]}, 88) = 3244 [pid 3238] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3240] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3244] set_robust_list(0x7f85c0c359a0, 24 [pid 3242] mount(NULL, "./config", "configfs", 0, NULL [pid 3241] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3240] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3237] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3240] <... futex resumed>) = 0 [pid 3241] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3240] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3241] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3237] <... futex resumed>) = 0 [pid 3241] <... futex resumed>) = 1 [pid 3238] <... futex resumed>) = 0 [pid 3237] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3241] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3238] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3241] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3238] <... futex resumed>) = 0 [pid 3241] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3238] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3241] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 305] <... restart_syscall resumed>) = 0 [pid 3241] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3238] <... futex resumed>) = 0 [pid 3238] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3241] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3238] <... futex resumed>) = 0 [pid 3238] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3243 attached [pid 3241] <... mkdirat resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3241] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3241] <... futex resumed>) = 1 [pid 3238] <... futex resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3241] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3238] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3238] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3243] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3241] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3245 [pid 3241] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3243] rt_sigprocmask(SIG_SETMASK, [] [pid 3241] <... symlinkat resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3241] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3243] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3241] <... futex resumed>) = 1 [pid 3238] <... futex resumed>) = 0 [pid 3241] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3238] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3241] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3238] <... futex resumed>) = 0 [pid 3241] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3238] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3243] mkdirat(AT_FDCWD, "./config", 0777 [pid 3241] <... unlinkat resumed>) = 0 [pid 3242] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3241] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3243] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3242] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3241] <... futex resumed>) = 1 [pid 3238] <... futex resumed>) = 0 [pid 3241] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3242] <... futex resumed>) = 1 [pid 3241] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3238] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3237] <... futex resumed>) = 0 [pid 3242] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3241] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3238] <... futex resumed>) = 0 [pid 3237] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3243] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3239] <... futex resumed>) = 0 [pid 3243] mount(NULL, "./config", "configfs", 0, NULL [pid 3242] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3241] <... unlinkat resumed>) = 0 [pid 3239] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3238] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3237] <... futex resumed>) = 0 [pid 3244] <... set_robust_list resumed>) = 0 [pid 3243] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3242] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3241] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3239] <... futex resumed>) = 0 [pid 3238] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3237] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3243] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3242] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3241] <... futex resumed>) = 0 [pid 3239] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3244] rt_sigprocmask(SIG_SETMASK, [] [pid 3238] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 3245 attached [pid 3243] <... futex resumed>) = 0 [pid 3242] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3241] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3239] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3241] <... futex resumed>) = ? [pid 3245] set_robust_list(0x5555810c5760, 24 [pid 3243] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3242] <... futex resumed>) = 1 [pid 3241] +++ exited with 0 +++ [pid 3239] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3238] <... exit_group resumed>) = ? [pid 3237] <... futex resumed>) = 0 [pid 3245] <... set_robust_list resumed>) = 0 [pid 3243] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3239] <... futex resumed>) = 0 [pid 3245] rt_sigprocmask(SIG_SETMASK, [] [pid 3243] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3239] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3245] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3243] <... futex resumed>) = 0 [pid 3239] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3245] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3243] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3239] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3238] +++ exited with 0 +++ [pid 3245] <... prctl resumed>) = 0 [pid 3243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3242] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3239] <... futex resumed>) = 0 [pid 3237] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3245] setpgid(0, 0 [pid 3243] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3239] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3245] <... setpgid resumed>) = 0 [pid 3243] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3242] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3237] <... futex resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3238, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3245] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3243] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3242] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3237] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3245] <... openat resumed>) = 3 [pid 3244] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3243] <... futex resumed>) = 1 [pid 3242] <... futex resumed>) = 0 [pid 3239] <... futex resumed>) = 0 [pid 3237] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3245] write(3, "1000", 4 [pid 3244] mkdirat(AT_FDCWD, "./config", 0777 [pid 3243] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3242] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3239] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3237] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3245] <... write resumed>) = 4 [pid 3244] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3242] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3239] <... futex resumed>) = 0 [pid 3237] <... futex resumed>) = 0 [pid 3244] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3243] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3242] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3237] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3245] close(3 [pid 3244] <... futex resumed>) = 1 [pid 3243] <... mkdirat resumed>) = 0 [pid 3242] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3240] <... futex resumed>) = 0 [pid 3239] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3245] <... close resumed>) = 0 [pid 3244] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3243] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3242] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3240] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3245] write(1, "executing program\n", 18 [pid 3244] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3243] <... futex resumed>) = 0 [pid 3242] <... futex resumed>) = 1 [pid 3240] <... futex resumed>) = 0 [pid 3239] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3237] <... futex resumed>) = 0 [pid 3245] <... write resumed>) = 18 [pid 3244] mount(NULL, "./config", "configfs", 0, NULL [pid 3243] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL executing program [pid 3242] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3240] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3239] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3237] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3245] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3244] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3242] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3239] <... futex resumed>) = 0 [pid 3237] <... futex resumed>) = 0 [pid 3245] <... futex resumed>) = 0 [pid 3244] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3243] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3242] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3239] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3237] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3245] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3244] <... futex resumed>) = 1 [pid 3243] <... symlinkat resumed>) = 0 [pid 3242] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3240] <... futex resumed>) = 0 [pid 3245] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3244] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3243] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3242] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3240] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3245] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3244] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3243] <... futex resumed>) = 1 [pid 3242] <... futex resumed>) = 1 [pid 3239] <... futex resumed>) = 0 [pid 3237] <... futex resumed>) = 0 [pid 3245] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3244] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3243] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3242] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3240] <... futex resumed>) = 0 [pid 3239] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3237] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3244] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3242] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3237] <... futex resumed>) = 0 [pid 3245] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3244] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3242] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3240] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3239] <... futex resumed>) = 0 [pid 3237] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3245] <... mmap resumed>) = 0x7f85c0c15000 [pid 3244] <... futex resumed>) = 0 [pid 3243] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3242] <... unlinkat resumed>) = 0 [pid 3240] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3239] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... restart_syscall resumed>) = 0 [pid 3245] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3244] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3243] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3242] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3240] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3245] <... mprotect resumed>) = 0 [pid 3244] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3243] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3242] <... futex resumed>) = 1 [pid 3240] <... futex resumed>) = 0 [pid 3237] <... futex resumed>) = 0 [pid 3245] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3244] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3243] <... futex resumed>) = 1 [pid 3242] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3240] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3239] <... futex resumed>) = 0 [pid 3237] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3245] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3244] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3243] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3242] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3239] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3237] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3245] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3244] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3242] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3239] <... futex resumed>) = 0 [pid 3237] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 3246 attached [pid 3244] <... futex resumed>) = 1 [pid 3243] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3242] <... unlinkat resumed>) = 0 [pid 3240] <... futex resumed>) = 0 [pid 3239] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3247 attached [pid 3246] set_robust_list(0x7f85c0c359a0, 24 [pid 3245] <... clone3 resumed> => {parent_tid=[3246]}, 88) = 3246 [pid 3244] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3243] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3242] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3240] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3247 [pid 3246] <... set_robust_list resumed>) = 0 [pid 3245] rt_sigprocmask(SIG_SETMASK, [] [pid 3244] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3243] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3242] <... futex resumed>) = 1 [pid 3240] <... futex resumed>) = 0 [pid 3237] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3246] rt_sigprocmask(SIG_SETMASK, [] [pid 3245] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3244] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3243] <... futex resumed>) = 1 [pid 3242] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3240] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3239] <... futex resumed>) = 0 [pid 3237] exit_group(0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3246] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3245] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3244] <... mkdirat resumed>) = 0 [pid 3243] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3242] <... futex resumed>) = ? [pid 3239] exit_group(0 [pid 3237] <... exit_group resumed>) = ? [pid 3246] mkdirat(AT_FDCWD, "./config", 0777 [pid 3245] <... futex resumed>) = 0 [pid 3244] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3243] <... futex resumed>) = ? [pid 3242] +++ exited with 0 +++ [pid 3239] <... exit_group resumed>) = ? [pid 3246] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3245] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3244] <... futex resumed>) = 1 [pid 3243] +++ exited with 0 +++ [pid 3247] set_robust_list(0x5555810c5760, 24 [pid 3240] <... futex resumed>) = 0 [pid 3239] +++ exited with 0 +++ [pid 3237] +++ exited with 0 +++ [pid 3246] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3244] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3240] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3244] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3240] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3239, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3237, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3244] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3240] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3246] <... futex resumed>) = 1 [pid 3245] <... futex resumed>) = 0 [pid 3244] <... symlinkat resumed>) = 0 [pid 3246] mount(NULL, "./config", "configfs", 0, NULL [pid 3245] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3244] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3246] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3245] <... futex resumed>) = 0 [pid 3247] <... set_robust_list resumed>) = 0 [pid 3246] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3245] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3244] <... futex resumed>) = 1 [pid 3240] <... futex resumed>) = 0 [pid 3247] rt_sigprocmask(SIG_SETMASK, [] [pid 3246] <... futex resumed>) = 0 [pid 3245] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3247] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3246] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3245] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3247] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3246] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3245] <... futex resumed>) = 0 [pid 3247] <... prctl resumed>) = 0 [pid 3246] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3245] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3244] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3240] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3247] setpgid(0, 0 [pid 3246] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3247] <... setpgid resumed>) = 0 [pid 3246] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3244] <... unlinkat resumed>) = 0 [pid 3240] <... futex resumed>) = 0 [pid 3247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3246] <... futex resumed>) = 1 [pid 3245] <... futex resumed>) = 0 [pid 3244] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3247] <... openat resumed>) = 3 [pid 3246] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3245] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3244] <... futex resumed>) = 0 [pid 3240] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3247] write(3, "1000", 4 [pid 3246] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3245] <... futex resumed>) = 0 [pid 3244] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3240] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3247] <... write resumed>) = 4 [pid 3246] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3245] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3240] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3247] close(3 [pid 3246] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3244] <... futex resumed>) = 0 [pid 3240] <... futex resumed>) = 1 [pid 3247] <... close resumed>) = 0 [pid 3246] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3244] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3247] write(1, "executing program\n", 18 [pid 3246] <... futex resumed>) = 1 [pid 3245] <... futex resumed>) = 0 executing program [pid 3240] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3247] <... write resumed>) = 18 [pid 3246] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3245] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3244] <... unlinkat resumed>) = 0 [pid 3247] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3246] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3245] <... futex resumed>) = 0 [pid 3244] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3247] <... futex resumed>) = 0 [pid 3246] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3245] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3244] <... futex resumed>) = 1 [pid 3247] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3246] <... mkdirat resumed>) = 0 [pid 3244] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3240] <... futex resumed>) = 0 [pid 3247] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3246] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3240] exit_group(0 [pid 3247] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3246] <... futex resumed>) = 1 [pid 3245] <... futex resumed>) = 0 [pid 3247] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3246] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3245] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3244] <... futex resumed>) = ? [pid 3240] <... exit_group resumed>) = ? [pid 3247] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3246] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3245] <... futex resumed>) = 0 [pid 3244] +++ exited with 0 +++ [pid 3247] <... mmap resumed>) = 0x7f85c0c15000 [pid 3246] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3245] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3247] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3246] <... symlinkat resumed>) = 0 [pid 3247] <... mprotect resumed>) = 0 [pid 3246] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3247] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3246] <... futex resumed>) = 1 [pid 3245] <... futex resumed>) = 0 [pid 3240] +++ exited with 0 +++ [pid 3247] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3246] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3245] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... restart_syscall resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 3247] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3246] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3245] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3248 attached [pid 3246] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3245] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3240, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3247] <... clone3 resumed> => {parent_tid=[3248]}, 88) = 3248 [pid 3246] <... unlinkat resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3247] rt_sigprocmask(SIG_SETMASK, [] [pid 3246] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3247] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3246] <... futex resumed>) = 1 [pid 3245] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3247] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3246] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3245] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3247] <... futex resumed>) = 0 [pid 3246] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3245] <... futex resumed>) = 0 [pid 3247] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3246] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3245] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3246] <... unlinkat resumed>) = 0 [pid 3246] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3245] <... futex resumed>) = 0 [pid 3246] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3245] exit_group(0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3249 [pid 3246] <... futex resumed>) = ? [pid 3245] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 3250 attached [pid 3248] set_robust_list(0x7f85c0c359a0, 24 [pid 3246] +++ exited with 0 +++ [pid 3245] +++ exited with 0 +++ [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3250 [pid 304] <... restart_syscall resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3249 attached [pid 3249] set_robust_list(0x5555810c5760, 24) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3250] set_robust_list(0x5555810c5760, 24 [pid 3248] <... set_robust_list resumed>) = 0 [pid 3249] rt_sigprocmask(SIG_SETMASK, [] [pid 3250] <... set_robust_list resumed>) = 0 [pid 3248] rt_sigprocmask(SIG_SETMASK, [] [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3245, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3249] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3249] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3249] setpgid(0, 0) = 0 [pid 3249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3249] write(3, "1000", 4) = 4 [pid 3249] close(3) = 0 [pid 3249] write(1, "executing program\n", 18) = 18 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3251 executing program [pid 3249] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3249] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3249] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3248] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3252 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3249] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3249] <... mmap resumed>) = 0x7f85c0c15000 [pid 3249] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 ci2-android-5-15/strace-static-x86_64: Process 3252 attached [pid 3250] rt_sigprocmask(SIG_SETMASK, [] [pid 3249] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3248] mkdirat(AT_FDCWD, "./config", 0777 [pid 3249] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3249] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[3253]}, 88) = 3253 [pid 3250] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3248] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3249] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3249] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3249] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3251 attached [pid 3252] set_robust_list(0x5555810c5760, 24 [pid 3251] set_robust_list(0x5555810c5760, 24 [pid 3250] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3248] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3251] <... set_robust_list resumed>) = 0 [pid 3251] rt_sigprocmask(SIG_SETMASK, [] [pid 3252] <... set_robust_list resumed>) = 0 [pid 3250] <... prctl resumed>) = 0 [pid 3248] <... futex resumed>) = 1 [pid 3247] <... futex resumed>) = 0 [pid 3247] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3247] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3251] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3251] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3250] setpgid(0, 0 [pid 3248] mount(NULL, "./config", "configfs", 0, NULL [pid 3251] <... prctl resumed>) = 0 [pid 3251] setpgid(0, 0) = 0 [pid 3251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3250] <... setpgid resumed>) = 0 [pid 3248] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3251] write(3, "1000", 4) = 4 [pid 3251] close(3 [pid 3252] rt_sigprocmask(SIG_SETMASK, [] [pid 3251] <... close resumed>) = 0 [pid 3250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3248] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3251] write(1, "executing program\n", 18) = 18 [pid 3251] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 3251] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3252] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3250] <... openat resumed>) = 3 [pid 3248] <... futex resumed>) = 1 [pid 3247] <... futex resumed>) = 0 [pid 3247] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3247] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3251] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3250] write(3, "1000", 4 [pid 3248] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3251] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3251] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3251] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3251] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3248] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3250] <... write resumed>) = 4 [pid 3248] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3251] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3250] close(3 [pid 3248] <... futex resumed>) = 1 [pid 3247] <... futex resumed>) = 0 [pid 3248] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3250] <... close resumed>) = 0 [pid 3247] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3248] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3247] <... futex resumed>) = 0 [pid 3250] write(1, "executing program\n", 18 [pid 3248] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 executing program [pid 3247] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3250] <... write resumed>) = 18 [pid 3248] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3251] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3248] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3250] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3248] <... futex resumed>) = 1 [pid 3247] <... futex resumed>) = 0 [pid 3250] <... futex resumed>) = 0 [pid 3248] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3247] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3251] <... clone3 resumed> => {parent_tid=[3254]}, 88) = 3254 [pid 3250] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3248] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3247] <... futex resumed>) = 0 [pid 3251] rt_sigprocmask(SIG_SETMASK, [] [pid 3250] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3248] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3247] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3251] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3251] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3250] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3248] <... mkdirat resumed>) = 0 [pid 3251] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3250] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3248] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3250] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3248] <... futex resumed>) = 1 [pid 3247] <... futex resumed>) = 0 [pid 3248] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3250] <... mmap resumed>) = 0x7f85c0c15000 [pid 3247] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3248] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3247] <... futex resumed>) = 0 [pid 3250] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3248] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3247] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3253 attached [pid 3253] set_robust_list(0x7f85c0c359a0, 24 [pid 3250] <... mprotect resumed>) = 0 [pid 3248] <... symlinkat resumed>) = 0 [pid 3252] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3253] <... set_robust_list resumed>) = 0 [pid 3250] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3248] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3252] <... prctl resumed>) = 0 [pid 3250] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3248] <... futex resumed>) = 1 [pid 3247] <... futex resumed>) = 0 [pid 3252] setpgid(0, 0 [pid 3250] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3248] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3247] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3248] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3247] <... futex resumed>) = 0 [pid 3252] <... setpgid resumed>) = 0 [pid 3248] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3247] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3253] rt_sigprocmask(SIG_SETMASK, [] [pid 3248] <... unlinkat resumed>) = 0 [pid 3250] <... clone3 resumed> => {parent_tid=[3255]}, 88) = 3255 [pid 3248] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3250] rt_sigprocmask(SIG_SETMASK, [] [pid 3253] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3252] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3248] <... futex resumed>) = 1 [pid 3247] <... futex resumed>) = 0 [pid 3253] mkdirat(AT_FDCWD, "./config", 0777 [pid 3252] <... openat resumed>) = 3 [pid 3250] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3248] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3247] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3253] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3252] write(3, "1000", 4 [pid 3250] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3248] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3247] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3255 attached ci2-android-5-15/strace-static-x86_64: Process 3254 attached [pid 3253] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3252] <... write resumed>) = 4 [pid 3250] <... futex resumed>) = 0 [pid 3248] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3247] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3253] <... futex resumed>) = 1 [pid 3249] <... futex resumed>) = 0 [pid 3253] mount(NULL, "./config", "configfs", 0, NULL [pid 3249] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3253] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3249] <... futex resumed>) = 0 [pid 3248] <... unlinkat resumed>) = 0 [pid 3253] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3252] close(3 [pid 3250] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3249] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3248] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3253] <... futex resumed>) = 0 [pid 3252] <... close resumed>) = 0 [pid 3249] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3248] <... futex resumed>) = 1 [pid 3247] <... futex resumed>) = 0 [pid 3253] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3252] write(1, "executing program\n", 18 [pid 3249] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3248] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3247] exit_group(0 [pid 3253] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3252] <... write resumed>) = 18 [pid 3249] <... futex resumed>) = 0 executing program [pid 3248] <... futex resumed>) = ? [pid 3247] <... exit_group resumed>) = ? [pid 3255] set_robust_list(0x7f85c0c359a0, 24 [pid 3254] set_robust_list(0x7f85c0c359a0, 24 [pid 3253] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3252] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3249] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3248] +++ exited with 0 +++ [pid 3247] +++ exited with 0 +++ [pid 3253] <... futex resumed>) = 0 [pid 3249] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3253] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3249] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3247, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3253] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3252] <... futex resumed>) = 0 [pid 3249] <... futex resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3255] <... set_robust_list resumed>) = 0 [pid 3254] <... set_robust_list resumed>) = 0 [pid 3253] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3252] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3249] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3255] rt_sigprocmask(SIG_SETMASK, [] [pid 3253] <... futex resumed>) = 0 [pid 3252] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3249] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3255] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3253] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3252] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3249] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3252] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3249] <... futex resumed>) = 0 [pid 3255] mkdirat(AT_FDCWD, "./config", 0777 [pid 3253] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3252] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3249] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3255] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3254] rt_sigprocmask(SIG_SETMASK, [] [pid 3253] <... mkdirat resumed>) = 0 [pid 3252] <... mmap resumed>) = 0x7f85c0c15000 [pid 3253] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3255] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3254] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3253] <... futex resumed>) = 1 [pid 3252] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3249] <... futex resumed>) = 0 [pid 3255] <... futex resumed>) = 1 [pid 3254] mkdirat(AT_FDCWD, "./config", 0777 [pid 3253] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3252] <... mprotect resumed>) = 0 [pid 3250] <... futex resumed>) = 0 [pid 3249] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3252] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3250] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3255] mount(NULL, "./config", "configfs", 0, NULL [pid 3254] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3249] <... futex resumed>) = 0 [pid 3253] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3252] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3250] <... futex resumed>) = 0 [pid 3249] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3255] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3254] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3253] <... symlinkat resumed>) = 0 [pid 3252] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3250] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3255] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3254] <... futex resumed>) = 1 [pid 3253] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3251] <... futex resumed>) = 0 [pid 3250] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3255] <... futex resumed>) = 0 [pid 3254] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3253] <... futex resumed>) = 1 [pid 3252] <... clone3 resumed> => {parent_tid=[3256]}, 88) = 3256 [pid 3251] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3250] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3249] <... futex resumed>) = 0 [pid 3255] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3254] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3253] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3252] rt_sigprocmask(SIG_SETMASK, [] [pid 3251] <... futex resumed>) = 0 [pid 3250] <... futex resumed>) = 0 [pid 3249] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3255] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3254] mount(NULL, "./config", "configfs", 0, NULL [pid 3253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3252] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3251] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3250] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3249] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3256 attached [pid 3255] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3254] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3253] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3252] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3250] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3249] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3255] <... futex resumed>) = 0 [pid 3254] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3253] <... unlinkat resumed>) = 0 [pid 3252] <... futex resumed>) = 0 [pid 3250] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3255] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3254] <... futex resumed>) = 1 [pid 3253] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3252] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3251] <... futex resumed>) = 0 [pid 3250] <... futex resumed>) = 0 [pid 3255] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3254] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3253] <... futex resumed>) = 1 [pid 3251] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3250] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3249] <... futex resumed>) = 0 [pid 3255] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3254] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3253] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3251] <... futex resumed>) = 0 [pid 3250] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3249] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3256] set_robust_list(0x7f85c0c359a0, 24 [pid 3255] <... futex resumed>) = 0 [pid 3254] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3251] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3250] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3249] <... futex resumed>) = 0 [pid 3255] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3254] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3253] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3250] <... futex resumed>) = 0 [pid 3249] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3255] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3254] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3253] <... unlinkat resumed>) = 0 [pid 3250] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3256] <... set_robust_list resumed>) = 0 [pid 3255] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3254] <... futex resumed>) = 1 [pid 3253] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3251] <... futex resumed>) = 0 [pid 3250] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] <... restart_syscall resumed>) = 0 [pid 3256] rt_sigprocmask(SIG_SETMASK, [] [pid 3255] <... futex resumed>) = 0 [pid 3254] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3253] <... futex resumed>) = 1 [pid 3251] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3250] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3249] <... futex resumed>) = 0 [pid 3256] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3255] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3254] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3253] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3251] <... futex resumed>) = 0 [pid 3250] <... futex resumed>) = 0 [pid 3249] exit_group(0 [pid 3256] mkdirat(AT_FDCWD, "./config", 0777 [pid 3255] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3254] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3253] <... futex resumed>) = ? [pid 3251] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3250] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3249] <... exit_group resumed>) = ? [pid 3256] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3255] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3254] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3253] +++ exited with 0 +++ [pid 3250] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3249] +++ exited with 0 +++ [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3255] <... futex resumed>) = 0 [pid 3254] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3250] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3256] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3255] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3254] <... futex resumed>) = 1 [pid 3251] <... futex resumed>) = 0 [pid 3250] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3249, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3256] <... futex resumed>) = 1 [pid 3255] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3254] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3252] <... futex resumed>) = 0 [pid 3251] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3250] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3256] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3251] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3251] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3257 attached [pid 3255] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3252] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3254] <... mkdirat resumed>) = 0 [pid 3255] <... futex resumed>) = 1 [pid 3252] <... futex resumed>) = 1 [pid 3254] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3250] <... futex resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3257 [pid 3257] set_robust_list(0x5555810c5760, 24 [pid 3256] <... futex resumed>) = 0 [pid 3255] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3254] <... futex resumed>) = 1 [pid 3252] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3251] <... futex resumed>) = 0 [pid 3250] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3257] <... set_robust_list resumed>) = 0 [pid 3256] mount(NULL, "./config", "configfs", 0, NULL [pid 3255] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3254] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3251] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3250] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3257] rt_sigprocmask(SIG_SETMASK, [] [pid 3256] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3255] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3254] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3251] <... futex resumed>) = 0 [pid 3250] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3256] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3251] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3257] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3256] <... futex resumed>) = 1 [pid 3255] <... unlinkat resumed>) = 0 [pid 3254] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3252] <... futex resumed>) = 0 [pid 3256] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3255] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3252] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3257] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3256] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3255] <... futex resumed>) = 1 [pid 3254] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3252] <... futex resumed>) = 0 [pid 3250] <... futex resumed>) = 0 [pid 3257] <... prctl resumed>) = 0 [pid 3256] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3255] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3254] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3252] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3257] setpgid(0, 0 [pid 3256] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3254] <... futex resumed>) = 1 [pid 3251] <... futex resumed>) = 0 [pid 3250] exit_group(0 [pid 3257] <... setpgid resumed>) = 0 [pid 3256] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3254] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3251] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3250] <... exit_group resumed>) = ? [pid 3256] <... futex resumed>) = 1 [pid 3255] <... futex resumed>) = ? [pid 3254] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3252] <... futex resumed>) = 0 [pid 3251] <... futex resumed>) = 0 [pid 3256] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3252] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3251] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3256] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3252] <... futex resumed>) = 0 [pid 3256] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3252] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3256] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3255] +++ exited with 0 +++ [pid 3250] +++ exited with 0 +++ [pid 3256] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3254] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3256] <... futex resumed>) = 1 [pid 3252] <... futex resumed>) = 0 [pid 3256] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3254] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3252] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3250, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3257] <... openat resumed>) = 3 [pid 3256] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3254] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3252] <... futex resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3257] write(3, "1000", 4 [pid 3256] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3254] <... futex resumed>) = 1 [pid 3252] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3251] <... futex resumed>) = 0 [pid 3257] <... write resumed>) = 4 [pid 3256] <... mkdirat resumed>) = 0 [pid 3254] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3251] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3257] close(3 [pid 3256] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3254] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3251] <... futex resumed>) = 0 [pid 3256] <... futex resumed>) = 1 [pid 3252] <... futex resumed>) = 0 [pid 3254] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3251] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3257] <... close resumed>) = 0 [pid 3256] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3252] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3256] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3254] <... unlinkat resumed>) = 0 [pid 3252] <... futex resumed>) = 0 [pid 3256] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3252] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3256] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3256] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3257] write(1, "executing program\n", 18 [pid 3256] <... futex resumed>) = 1 [pid 3254] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3252] <... futex resumed>) = 0 executing program [pid 3257] <... write resumed>) = 18 [pid 3256] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3254] <... futex resumed>) = 1 [pid 3252] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3251] <... futex resumed>) = 0 [pid 3257] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3256] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3254] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3252] <... futex resumed>) = 0 [pid 3251] exit_group(0 [pid 3257] <... futex resumed>) = 0 [pid 3256] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3254] <... futex resumed>) = ? [pid 3252] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3251] <... exit_group resumed>) = ? [pid 3257] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3256] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3254] +++ exited with 0 +++ [pid 3251] +++ exited with 0 +++ [pid 3257] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3256] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3257] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3256] <... futex resumed>) = 1 [pid 3252] <... futex resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3251, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3257] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3256] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3252] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3257] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3256] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3252] <... futex resumed>) = 0 [pid 3257] <... mmap resumed>) = 0x7f85c0c15000 [pid 3256] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3252] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3257] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3256] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3256] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... restart_syscall resumed>) = 0 [pid 3257] <... mprotect resumed>) = 0 [pid 3256] <... futex resumed>) = 1 [pid 3252] <... futex resumed>) = 0 [pid 3257] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3256] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3252] exit_group(0 [pid 3257] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3256] <... futex resumed>) = ? [pid 3252] <... exit_group resumed>) = ? [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3257] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3256] +++ exited with 0 +++ [pid 3252] +++ exited with 0 +++ [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3252, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 3258 attached [pid 3258] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3258] rt_sigprocmask(SIG_SETMASK, [] [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3258] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3259 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3257] <... clone3 resumed> => {parent_tid=[3258]}, 88) = 3258 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3257] rt_sigprocmask(SIG_SETMASK, [] [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3257] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3258] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 3259 attached [pid 3259] set_robust_list(0x5555810c5760, 24) = 0 [pid 3259] rt_sigprocmask(SIG_SETMASK, [] [pid 3257] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3260 [pid 3258] <... futex resumed>) = 0 [pid 3257] <... futex resumed>) = 1 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3258] mkdirat(AT_FDCWD, "./config", 0777 [pid 3257] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3258] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3258] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3259] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3258] <... futex resumed>) = 1 [pid 3257] <... futex resumed>) = 0 [pid 3258] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3257] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3258] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3257] <... futex resumed>) = 0 [pid 3258] mount(NULL, "./config", "configfs", 0, NULL [pid 3257] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3258] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3258] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3257] <... futex resumed>) = 0 [pid 3258] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3257] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3259] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3258] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3257] <... futex resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 3258] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3257] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3258] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3259] <... prctl resumed>) = 0 [pid 3259] setpgid(0, 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3258] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3258] <... futex resumed>) = 1 [pid 3257] <... futex resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3258] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3257] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3259] <... setpgid resumed>) = 0 [pid 3259] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3258] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3257] <... futex resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3261 [pid 3259] <... openat resumed>) = 3 [pid 3259] write(3, "1000", 4) = 4 [pid 3259] close(3) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3262 [pid 3257] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3258] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3259] write(1, "executing program\n", 18 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3258] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3258] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3259] <... write resumed>) = 18 [pid 3258] <... futex resumed>) = 1 [pid 3257] <... futex resumed>) = 0 [pid 3258] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3257] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 3258] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3257] <... futex resumed>) = 0 [pid 3258] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3257] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3259] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3258] <... mkdirat resumed>) = 0 [pid 3259] <... futex resumed>) = 0 [pid 3258] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3259] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3258] <... futex resumed>) = 1 [pid 3257] <... futex resumed>) = 0 [pid 3258] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3257] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3258] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3259] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3257] <... futex resumed>) = 0 [pid 3258] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3257] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3258] <... symlinkat resumed>) = 0 [pid 3259] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3258] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3259] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3258] <... futex resumed>) = 1 [pid 3257] <... futex resumed>) = 0 [pid 3258] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3257] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3258] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3257] <... futex resumed>) = 0 [pid 3258] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3257] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3259] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3258] <... unlinkat resumed>) = 0 [pid 3259] <... mmap resumed>) = 0x7f85c0c15000 [pid 3258] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3259] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3258] <... futex resumed>) = 1 [pid 3257] <... futex resumed>) = 0 [pid 3258] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3257] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3258] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3257] <... futex resumed>) = 0 [pid 3258] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3257] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3259] <... mprotect resumed>) = 0 [pid 3258] <... unlinkat resumed>) = 0 [pid 3259] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3258] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3259] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3258] <... futex resumed>) = 1 [pid 3257] <... futex resumed>) = 0 [pid 3259] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3257] exit_group(0 [pid 3258] ???( [pid 3257] <... exit_group resumed>) = ? [pid 3258] <... ??? resumed>) = ? [pid 3259] <... clone3 resumed> => {parent_tid=[3263]}, 88) = 3263 [pid 3259] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3259] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3259] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3260 attached [pid 3258] +++ exited with 0 +++ [pid 3257] +++ exited with 0 +++ [pid 3260] set_robust_list(0x5555810c5760, 24) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3257, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3260] rt_sigprocmask(SIG_SETMASK, [] [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3260] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3261 attached ci2-android-5-15/strace-static-x86_64: Process 3263 attached [pid 3261] set_robust_list(0x5555810c5760, 24 [pid 3260] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3260] setpgid(0, 0) = 0 [pid 3260] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3263] set_robust_list(0x7f85c0c359a0, 24 [pid 3261] <... set_robust_list resumed>) = 0 [pid 3263] <... set_robust_list resumed>) = 0 [pid 3261] rt_sigprocmask(SIG_SETMASK, [] [pid 3260] <... openat resumed>) = 3 [pid 3260] write(3, "1000", 4) = 4 [pid 3260] close(3) = 0 [pid 3263] rt_sigprocmask(SIG_SETMASK, [] [pid 3261] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3262 attached [pid 3262] set_robust_list(0x5555810c5760, 24) = 0 [pid 3262] rt_sigprocmask(SIG_SETMASK, [] [pid 3261] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3262] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3262] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3263] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3261] <... prctl resumed>) = 0 [pid 3260] write(1, "executing program\n", 18 [pid 3262] <... prctl resumed>) = 0 [pid 3262] setpgid(0, 0) = 0 executing program [pid 3262] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3261] setpgid(0, 0 [pid 3260] <... write resumed>) = 18 [pid 3261] <... setpgid resumed>) = 0 [pid 3261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3262] <... openat resumed>) = 3 [pid 3262] write(3, "1000", 4 [pid 3261] write(3, "1000", 4 [pid 3260] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3261] <... write resumed>) = 4 [pid 3263] mkdirat(AT_FDCWD, "./config", 0777 [pid 3260] <... futex resumed>) = 0 [pid 3261] close(3 [pid 3263] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3260] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3261] <... close resumed>) = 0 [pid 3262] <... write resumed>) = 4 [pid 3261] write(1, "executing program\n", 18 [pid 3260] <... rt_sigaction resumed>, NULL, 8) = 0 executing program [pid 3263] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3261] <... write resumed>) = 18 [pid 306] <... restart_syscall resumed>) = 0 [pid 3262] close(3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3263] <... futex resumed>) = 1 [pid 3261] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3260] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3259] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3263] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3261] <... futex resumed>) = 0 [pid 3260] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 3259] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3263] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3261] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3260] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3259] <... futex resumed>) = 0 [pid 3259] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3262] <... close resumed>) = 0 [pid 3262] write(1, "executing program\n", 18 [pid 3261] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3263] mount(NULL, "./config", "configfs", 0, NULL [pid 3261] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3260] <... mmap resumed>) = 0x7f85c0c15000 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3264 [pid 3261] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3262] <... write resumed>) = 18 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3261] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3260] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3263] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3261] <... mmap resumed>) = 0x7f85c0c15000 [pid 3260] <... mprotect resumed>) = 0 [pid 3263] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3261] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3262] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3261] <... mprotect resumed>) = 0 [pid 3263] <... futex resumed>) = 1 [pid 3260] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3259] <... futex resumed>) = 0 [pid 3263] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3261] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3260] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3259] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3263] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3261] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3260] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3259] <... futex resumed>) = 0 [pid 3263] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3261] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3259] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3262] <... futex resumed>) = 0 [pid 3262] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3263] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3260] <... clone3 resumed> => {parent_tid=[3265]}, 88) = 3265 [pid 3263] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3261] <... clone3 resumed> => {parent_tid=[3266]}, 88) = 3266 [pid 3262] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3261] rt_sigprocmask(SIG_SETMASK, [] [pid 3260] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 3266 attached ci2-android-5-15/strace-static-x86_64: Process 3265 attached ci2-android-5-15/strace-static-x86_64: Process 3264 attached [pid 3263] <... futex resumed>) = 1 [pid 3262] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3261] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3259] <... futex resumed>) = 0 [pid 3260] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3260] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3260] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3266] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3266] rt_sigprocmask(SIG_SETMASK, [] [pid 3265] set_robust_list(0x7f85c0c359a0, 24 [pid 3264] set_robust_list(0x5555810c5760, 24 [pid 3263] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3262] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3261] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3259] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3266] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3266] mkdirat(AT_FDCWD, "./config", 0777 [pid 3263] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3261] <... futex resumed>) = 0 [pid 3265] <... set_robust_list resumed>) = 0 [pid 3264] <... set_robust_list resumed>) = 0 [pid 3259] <... futex resumed>) = 0 [pid 3262] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3266] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3266] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3265] rt_sigprocmask(SIG_SETMASK, [] [pid 3264] rt_sigprocmask(SIG_SETMASK, [] [pid 3263] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3262] <... mmap resumed>) = 0x7f85c0c15000 [pid 3261] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3259] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3265] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3264] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3263] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3262] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3261] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3265] mkdirat(AT_FDCWD, "./config", 0777 [pid 3264] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3263] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3262] <... mprotect resumed>) = 0 [pid 3261] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3266] mount(NULL, "./config", "configfs", 0, NULL [pid 3265] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3264] <... prctl resumed>) = 0 [pid 3263] <... futex resumed>) = 1 [pid 3262] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3261] <... futex resumed>) = 0 [pid 3259] <... futex resumed>) = 0 [pid 3265] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3264] setpgid(0, 0 [pid 3263] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3262] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3261] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3259] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3265] <... futex resumed>) = 1 [pid 3264] <... setpgid resumed>) = 0 [pid 3263] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3262] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3260] <... futex resumed>) = 0 [pid 3259] <... futex resumed>) = 0 [pid 3265] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3264] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3263] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3260] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3259] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3267 attached [pid 3266] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3265] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3264] <... openat resumed>) = 3 [pid 3263] <... mkdirat resumed>) = 0 [pid 3262] <... clone3 resumed> => {parent_tid=[3267]}, 88) = 3267 [pid 3265] mount(NULL, "./config", "configfs", 0, NULL [pid 3264] write(3, "1000", 4 [pid 3263] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3265] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3264] <... write resumed>) = 4 [pid 3263] <... futex resumed>) = 1 [pid 3262] rt_sigprocmask(SIG_SETMASK, [] [pid 3259] <... futex resumed>) = 0 [pid 3265] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3264] close(3 [pid 3263] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3262] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3259] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3265] <... futex resumed>) = 0 [pid 3264] <... close resumed>) = 0 [pid 3263] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3262] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3259] <... futex resumed>) = 0 [pid 3265] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3264] write(1, "executing program\n", 18 [pid 3263] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3262] <... futex resumed>) = 0 executing program [pid 3259] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3264] <... write resumed>) = 18 [pid 3263] <... symlinkat resumed>) = 0 [pid 3262] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3265] <... futex resumed>) = 0 [pid 3264] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3263] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3260] <... futex resumed>) = 1 [pid 3264] <... futex resumed>) = 0 [pid 3263] <... futex resumed>) = 1 [pid 3259] <... futex resumed>) = 0 [pid 3264] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3263] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3259] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3264] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3263] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3259] <... futex resumed>) = 0 [pid 3264] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3263] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3259] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3264] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3263] <... unlinkat resumed>) = 0 [pid 3264] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3263] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3264] <... mmap resumed>) = 0x7f85c0c15000 [pid 3263] <... futex resumed>) = 1 [pid 3259] <... futex resumed>) = 0 [pid 3264] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3263] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3259] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3264] <... mprotect resumed>) = 0 [pid 3263] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3259] <... futex resumed>) = 0 [pid 3264] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3263] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3259] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3264] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3263] <... unlinkat resumed>) = 0 [pid 3264] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3263] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3266] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3265] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3263] <... futex resumed>) = 1 [pid 3260] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3259] <... futex resumed>) = 0 [pid 3267] set_robust_list(0x7f85c0c359a0, 24ci2-android-5-15/strace-static-x86_64: Process 3268 attached [pid 3266] <... futex resumed>) = 1 [pid 3264] <... clone3 resumed> => {parent_tid=[3268]}, 88) = 3268 [pid 3263] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3261] <... futex resumed>) = 0 [pid 3259] exit_group(0 [pid 3266] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3264] rt_sigprocmask(SIG_SETMASK, [] [pid 3263] <... futex resumed>) = ? [pid 3261] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3260] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3259] <... exit_group resumed>) = ? [pid 3268] set_robust_list(0x7f85c0c359a0, 24 [pid 3267] <... set_robust_list resumed>) = 0 [pid 3266] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3264] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3263] +++ exited with 0 +++ [pid 3261] <... futex resumed>) = 0 [pid 3260] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3264] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3261] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3259] +++ exited with 0 +++ [pid 3264] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3259, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3264] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3268] <... set_robust_list resumed>) = 0 [pid 3268] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3268] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3268] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3265] <... futex resumed>) = 0 [pid 3260] <... futex resumed>) = 1 [pid 3266] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3268] <... futex resumed>) = 1 [pid 3264] <... futex resumed>) = 0 [pid 3268] mount(NULL, "./config", "configfs", 0, NULL [pid 3264] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3268] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3264] <... futex resumed>) = 0 [pid 3268] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3266] <... futex resumed>) = 1 [pid 3265] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3264] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3261] <... futex resumed>) = 0 [pid 3260] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3268] <... futex resumed>) = 0 [pid 3264] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3261] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3268] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3264] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3261] <... futex resumed>) = 0 [pid 3268] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3264] <... futex resumed>) = 0 [pid 3261] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3268] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3264] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3268] <... futex resumed>) = 0 [pid 3264] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3268] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3264] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3268] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3264] <... futex resumed>) = 0 [pid 3268] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3264] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3268] <... futex resumed>) = 0 [pid 3264] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3268] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3264] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3268] <... mkdirat resumed>) = 0 [pid 3264] <... futex resumed>) = 0 [pid 3268] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3267] rt_sigprocmask(SIG_SETMASK, [] [pid 3266] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3265] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3264] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3268] <... futex resumed>) = 0 [pid 3267] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3266] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3265] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3264] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3268] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3266] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3265] <... futex resumed>) = 1 [pid 3264] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3267] mkdirat(AT_FDCWD, "./config", 0777 [pid 3260] <... futex resumed>) = 0 [pid 3268] <... symlinkat resumed>) = 0 [pid 3266] <... futex resumed>) = 1 [pid 3265] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3264] <... futex resumed>) = 0 [pid 3261] <... futex resumed>) = 0 [pid 3260] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3268] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3267] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3266] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3265] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3264] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3261] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3268] <... futex resumed>) = 0 [pid 3267] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3266] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3265] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3264] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3261] <... futex resumed>) = 0 [pid 3260] <... futex resumed>) = 0 [pid 3268] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3267] <... futex resumed>) = 1 [pid 3266] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3265] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3264] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3262] <... futex resumed>) = 0 [pid 3261] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3260] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3268] <... unlinkat resumed>) = 0 [pid 3267] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3266] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3265] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3264] <... futex resumed>) = 0 [pid 3262] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3268] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3264] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3262] <... futex resumed>) = 0 [pid 3260] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3268] <... futex resumed>) = 0 [pid 3267] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3266] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3265] <... futex resumed>) = 0 [pid 3264] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3262] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3260] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3268] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3264] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3268] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3267] mount(NULL, "./config", "configfs", 0, NULL [pid 3266] <... futex resumed>) = 1 [pid 3265] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3264] <... futex resumed>) = 0 [pid 3261] <... futex resumed>) = 0 [pid 3260] <... futex resumed>) = 0 [pid 3268] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3266] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3265] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3264] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3261] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3260] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3268] <... unlinkat resumed>) = 0 [pid 3267] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3266] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3265] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3261] <... futex resumed>) = 0 [pid 3260] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3268] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3267] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3266] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3265] <... futex resumed>) = 0 [pid 3261] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3260] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3268] <... futex resumed>) = 1 [pid 3266] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3265] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3264] <... futex resumed>) = 0 [pid 3260] <... futex resumed>) = 0 [pid 3268] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3267] <... futex resumed>) = 1 [pid 3266] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3264] exit_group(0 [pid 3265] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3262] <... futex resumed>) = 0 [pid 3260] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3268] <... futex resumed>) = ? [pid 3267] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3266] <... futex resumed>) = 1 [pid 3265] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3264] <... exit_group resumed>) = ? [pid 3262] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3261] <... futex resumed>) = 0 [pid 3268] +++ exited with 0 +++ [pid 3267] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3266] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3265] <... futex resumed>) = 0 [pid 3260] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3267] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3266] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3265] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3264] +++ exited with 0 +++ [pid 3262] <... futex resumed>) = 0 [pid 3261] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3260] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3267] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3266] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3265] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3262] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3261] <... futex resumed>) = 0 [pid 3260] <... futex resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3264, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3267] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3266] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3265] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3262] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3261] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3260] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3267] <... futex resumed>) = 0 [pid 3266] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3265] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3262] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3261] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3267] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3266] <... futex resumed>) = 0 [pid 3265] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3262] <... futex resumed>) = 0 [pid 3261] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3262] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3261] <... futex resumed>) = 0 [pid 3267] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3266] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3265] <... futex resumed>) = 1 [pid 3261] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3260] <... futex resumed>) = 0 [pid 3267] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3266] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3265] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3267] <... futex resumed>) = 1 [pid 3266] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3265] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3262] <... futex resumed>) = 0 [pid 3260] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3267] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3266] <... futex resumed>) = 1 [pid 3265] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3262] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3261] <... futex resumed>) = 0 [pid 3260] <... futex resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 3267] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3266] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3265] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3262] <... futex resumed>) = 0 [pid 3261] exit_group(0 [pid 3260] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3267] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3266] <... futex resumed>) = ? [pid 3265] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3262] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3261] <... exit_group resumed>) = ? [pid 3260] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3267] <... mkdirat resumed>) = 0 [pid 3266] +++ exited with 0 +++ [pid 3265] <... futex resumed>) = 0 [pid 3260] exit_group(0 [pid 3267] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3261] +++ exited with 0 +++ [pid 3260] <... exit_group resumed>) = ? [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... restart_syscall resumed>) = 0 [pid 3267] <... futex resumed>) = 1 [pid 3265] +++ exited with 0 +++ [pid 3262] <... futex resumed>) = 0 [pid 3260] +++ exited with 0 +++ [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3261, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3267] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3262] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3260, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3267] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3262] <... futex resumed>) = 0 [pid 3267] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3267] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3262] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3267] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3269 [pid 3262] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3262] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3267] <... futex resumed>) = 0 [pid 3262] <... futex resumed>) = 1 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3267] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3262] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3267] <... unlinkat resumed>) = 0 [pid 3267] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3267] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3262] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3262] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3270 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3267] <... futex resumed>) = 0 [pid 3262] <... futex resumed>) = 1 [pid 3267] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3267] <... unlinkat resumed>) = 0 [pid 3267] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3262] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3271 [pid 3267] <... futex resumed>) = 0 [pid 3262] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3267] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3262] exit_group(0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3267] <... futex resumed>) = ? [pid 3262] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 3271 attached ci2-android-5-15/strace-static-x86_64: Process 3269 attached [pid 3267] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 3270 attached [pid 3270] set_robust_list(0x5555810c5760, 24) = 0 [pid 3270] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3270] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3262] +++ exited with 0 +++ [pid 3270] <... prctl resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3262, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3270] setpgid(0, 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3270] <... setpgid resumed>) = 0 [pid 3270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3269] set_robust_list(0x5555810c5760, 24 [pid 3271] set_robust_list(0x5555810c5760, 24) = 0 [pid 3270] <... openat resumed>) = 3 [pid 3269] <... set_robust_list resumed>) = 0 [pid 3270] write(3, "1000", 4) = 4 [pid 3270] close(3) = 0 [pid 3270] write(1, "executing program\n", 18 [pid 3269] rt_sigprocmask(SIG_SETMASK, [] [pid 3270] <... write resumed>) = 18 executing program [pid 3270] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3269] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3270] <... futex resumed>) = 0 [pid 3269] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3270] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3270] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3270] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3269] <... prctl resumed>) = 0 [pid 3271] rt_sigprocmask(SIG_SETMASK, [] [pid 3270] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3271] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3269] setpgid(0, 0 [pid 3270] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3271] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3269] <... setpgid resumed>) = 0 [pid 3270] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[3272]}, 88) = 3272 [pid 3269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3271] <... prctl resumed>) = 0 [pid 3270] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3270] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3270] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3272 attached [pid 3272] set_robust_list(0x7f85c0c359a0, 24 [pid 3269] <... openat resumed>) = 3 [pid 3271] setpgid(0, 0 [pid 3272] <... set_robust_list resumed>) = 0 [pid 3272] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3269] write(3, "1000", 4 [pid 3271] <... setpgid resumed>) = 0 [pid 3269] <... write resumed>) = 4 [pid 3272] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3272] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3269] close(3 [pid 3272] <... futex resumed>) = 1 [pid 3270] <... futex resumed>) = 0 [pid 3270] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3270] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3269] <... close resumed>) = 0 [pid 3272] mount(NULL, "./config", "configfs", 0, NULL [pid 3271] <... openat resumed>) = 3 [pid 3269] write(1, "executing program\n", 18) = 18 [pid 3271] write(3, "1000", 4 [pid 3269] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 3271] <... write resumed>) = 4 [pid 3269] <... futex resumed>) = 0 [pid 3269] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3271] close(3 [pid 3269] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3269] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3271] <... close resumed>) = 0 [pid 3269] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3269] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3271] write(1, "executing program\n", 18 [pid 3269] <... mmap resumed>) = 0x7f85c0c15000 [pid 3269] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3271] <... write resumed>) = 18 [pid 3269] <... mprotect resumed>) = 0 [pid 3272] <... mount resumed>) = -1 EBUSY (Device or resource busy) executing program [pid 3269] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3271] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3269] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3272] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3271] <... futex resumed>) = 0 [pid 3269] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3270] <... futex resumed>) = 0 [pid 3270] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3271] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3270] <... futex resumed>) = 0 [pid 3271] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3269] <... clone3 resumed> => {parent_tid=[3273]}, 88) = 3273 [pid 3270] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3271] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3269] rt_sigprocmask(SIG_SETMASK, [] [pid 3271] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3269] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 3271] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3269] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3271] <... mmap resumed>) = 0x7f85c0c15000 [pid 3269] <... futex resumed>) = 0 [pid 3272] <... futex resumed>) = 1 [pid 3272] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3271] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3269] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3271] <... mprotect resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3272] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3272] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3270] <... futex resumed>) = 0 [pid 3270] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3270] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3271] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3274 [pid 3272] <... futex resumed>) = 1 [pid 3272] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3272] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3270] <... futex resumed>) = 0 [pid 3270] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3270] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3271] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3275 [pid 3271] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3272] <... futex resumed>) = 1 [pid 3272] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3271] <... clone3 resumed> => {parent_tid=[3276]}, 88) = 3276 [pid 3271] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3271] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3272] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3271] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3270] <... futex resumed>) = 0 [pid 3270] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3270] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3272] <... futex resumed>) = 1 [pid 3272] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0"ci2-android-5-15/strace-static-x86_64: Process 3276 attached ci2-android-5-15/strace-static-x86_64: Process 3275 attached ci2-android-5-15/strace-static-x86_64: Process 3273 attached ) = 0 [pid 3272] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3270] <... futex resumed>) = 0 [pid 3270] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3270] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3272] <... futex resumed>) = 1 [pid 3272] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3275] set_robust_list(0x5555810c5760, 24 [pid 3272] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3270] <... futex resumed>) = 0 [pid 3270] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3270] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3272] <... futex resumed>) = 1 [pid 3275] <... set_robust_list resumed>) = 0 [pid 3272] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3276] set_robust_list(0x7f85c0c359a0, 24 [pid 3275] rt_sigprocmask(SIG_SETMASK, [] [pid 3273] set_robust_list(0x7f85c0c359a0, 24 [pid 3272] <... unlinkat resumed>) = 0 [pid 3272] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3270] <... futex resumed>) = 0 [pid 3270] exit_group(0) = ? [pid 3276] <... set_robust_list resumed>) = 0 [pid 3275] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3273] <... set_robust_list resumed>) = 0 [pid 3272] <... futex resumed>) = ? [pid 3276] rt_sigprocmask(SIG_SETMASK, [] [pid 3275] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3273] rt_sigprocmask(SIG_SETMASK, [] [pid 3272] +++ exited with 0 +++ [pid 3270] +++ exited with 0 +++ [pid 3276] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3274 attached [pid 3275] <... prctl resumed>) = 0 [pid 3273] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3270, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3276] mkdirat(AT_FDCWD, "./config", 0777 [pid 3275] setpgid(0, 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3273] mkdirat(AT_FDCWD, "./config", 0777 [pid 3276] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3275] <... setpgid resumed>) = 0 [pid 3274] set_robust_list(0x5555810c5760, 24) = 0 [pid 3276] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3275] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3274] rt_sigprocmask(SIG_SETMASK, [] [pid 3273] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3274] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3274] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3275] <... openat resumed>) = 3 [pid 3274] <... prctl resumed>) = 0 [pid 3273] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3276] <... futex resumed>) = 1 [pid 3271] <... futex resumed>) = 0 [pid 3274] setpgid(0, 0 [pid 3271] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3276] mount(NULL, "./config", "configfs", 0, NULL [pid 3275] write(3, "1000", 4 [pid 3273] <... futex resumed>) = 1 [pid 3271] <... futex resumed>) = 0 [pid 3269] <... futex resumed>) = 0 [pid 3271] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3269] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3275] <... write resumed>) = 4 [pid 3273] mount(NULL, "./config", "configfs", 0, NULL [pid 3269] <... futex resumed>) = 0 [pid 3276] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3275] close(3 [pid 3269] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3273] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3276] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3275] <... close resumed>) = 0 [pid 3274] <... setpgid resumed>) = 0 [pid 3274] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3274] write(3, "1000", 4) = 4 [pid 3274] close(3) = 0 [pid 3274] write(1, "executing program\n", 18) = 18 [pid 3274] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 3275] write(1, "executing program\n", 18 [pid 3273] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3276] <... futex resumed>) = 1 [pid 3275] <... write resumed>) = 18 [pid 3271] <... futex resumed>) = 0 [pid 3269] <... futex resumed>) = 0 [pid 3273] <... futex resumed>) = 1 [pid 3271] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3276] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3275] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3273] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3271] <... futex resumed>) = 0 executing program [pid 3269] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3276] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3275] <... futex resumed>) = 0 [pid 3273] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3271] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3269] <... futex resumed>) = 0 [pid 3276] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3275] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3273] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3271] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3276] <... futex resumed>) = 0 [pid 3275] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3273] <... futex resumed>) = 0 [pid 3271] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3269] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3276] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3275] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3273] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3271] <... futex resumed>) = 0 [pid 3269] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3276] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3275] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3271] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3269] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3276] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3275] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3271] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3269] <... futex resumed>) = 1 [pid 3276] <... futex resumed>) = 0 [pid 3275] <... mmap resumed>) = 0x7f85c0c15000 [pid 3273] <... futex resumed>) = 0 [pid 3271] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3276] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3275] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3273] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3271] <... futex resumed>) = 0 [pid 3269] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3271] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3275] <... mprotect resumed>) = 0 [pid 3273] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3274] <... futex resumed>) = 0 [pid 3276] <... mkdirat resumed>) = 0 [pid 3274] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3275] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3276] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3273] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3275] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3276] <... futex resumed>) = 1 [pid 3275] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3273] <... futex resumed>) = 1 [pid 3271] <... futex resumed>) = 0 [pid 3269] <... futex resumed>) = 0 [pid 3276] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3271] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3269] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3271] <... futex resumed>) = 0 [pid 3269] <... futex resumed>) = 0 [pid 3271] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3269] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3276] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3273] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3276] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3275] <... clone3 resumed> => {parent_tid=[3277]}, 88) = 3277 [pid 3275] rt_sigprocmask(SIG_SETMASK, [] [pid 3273] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3276] <... symlinkat resumed>) = 0 [pid 3275] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 3276] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3275] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3273] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3276] <... futex resumed>) = 1 [pid 3275] <... futex resumed>) = 0 [pid 3271] <... futex resumed>) = 0 [pid 3269] <... futex resumed>) = 0 [pid 3273] <... futex resumed>) = 1 [pid 3276] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3275] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3271] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3269] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3276] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3273] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3271] <... futex resumed>) = 0 [pid 3269] <... futex resumed>) = 0 [pid 3276] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3271] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3269] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3273] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3276] <... unlinkat resumed>) = 0 [pid 3273] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3276] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3273] <... futex resumed>) = 1 [pid 3269] <... futex resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3276] <... futex resumed>) = 1 [pid 3273] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3271] <... futex resumed>) = 0 [pid 3269] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3274] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3274] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3274] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3274] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3276] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3274] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3273] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3271] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3269] <... futex resumed>) = 0 [pid 3274] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3273] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3271] <... futex resumed>) = 0 [pid 3269] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3278 ci2-android-5-15/strace-static-x86_64: Process 3277 attached [pid 3276] <... unlinkat resumed>) = 0 [pid 3274] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3273] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3271] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 3279 attached [pid 3277] set_robust_list(0x7f85c0c359a0, 24 [pid 3276] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3273] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3271] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3277] <... set_robust_list resumed>) = 0 [pid 3276] <... futex resumed>) = 0 [pid 3274] <... clone3 resumed> => {parent_tid=[3279]}, 88) = 3279 [pid 3273] <... futex resumed>) = 1 [pid 3271] exit_group(0 [pid 3269] <... futex resumed>) = 0 [pid 3277] rt_sigprocmask(SIG_SETMASK, [] [pid 3274] rt_sigprocmask(SIG_SETMASK, [] [pid 3273] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3271] <... exit_group resumed>) = ? [pid 3269] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3277] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3276] +++ exited with 0 +++ [pid 3274] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3273] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3277] mkdirat(AT_FDCWD, "./config", 0777 [pid 3274] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3277] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3274] <... futex resumed>) = 0 [pid 3277] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3274] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3277] <... futex resumed>) = 1 [pid 3271] +++ exited with 0 +++ [pid 3275] <... futex resumed>) = 0 [pid 3269] <... futex resumed>) = 0 [pid 3275] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3273] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3269] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3275] <... futex resumed>) = 0 [pid 3273] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3275] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3273] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3271, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- ci2-android-5-15/strace-static-x86_64: Process 3278 attached [pid 3277] mount(NULL, "./config", "configfs", 0, NULL [pid 3273] <... futex resumed>) = 1 [pid 3269] <... futex resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3273] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3269] exit_group(0 [pid 3278] set_robust_list(0x5555810c5760, 24 [pid 3277] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3273] <... futex resumed>) = ? [pid 3269] <... exit_group resumed>) = ? [pid 3278] <... set_robust_list resumed>) = 0 [pid 3277] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3273] +++ exited with 0 +++ [pid 3278] rt_sigprocmask(SIG_SETMASK, [] [pid 3277] <... futex resumed>) = 1 [pid 3278] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3277] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3278] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3269] +++ exited with 0 +++ [pid 3278] <... prctl resumed>) = 0 [pid 3278] setpgid(0, 0) = 0 [pid 3275] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3269, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3275] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3278] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3277] <... futex resumed>) = 0 [pid 3275] <... futex resumed>) = 1 [pid 3279] set_robust_list(0x7f85c0c359a0, 24 [pid 3278] <... openat resumed>) = 3 [pid 3277] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3275] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3278] write(3, "1000", 4 [pid 3277] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3278] <... write resumed>) = 4 [pid 3277] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3278] close(3 [pid 3277] <... futex resumed>) = 1 [pid 3275] <... futex resumed>) = 0 [pid 3278] <... close resumed>) = 0 [pid 3277] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3275] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 3278] write(1, "executing program\n", 18 [pid 3277] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3275] <... futex resumed>) = 0 [pid 3278] <... write resumed>) = 18 [pid 3277] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3275] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3278] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3277] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3279] <... set_robust_list resumed>) = 0 [pid 3278] <... futex resumed>) = 0 [pid 3277] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3279] rt_sigprocmask(SIG_SETMASK, [] [pid 3278] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3277] <... futex resumed>) = 1 [pid 3275] <... futex resumed>) = 0 [pid 3278] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3277] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3275] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3279] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3278] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3277] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3278] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3277] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3275] <... futex resumed>) = 0 [pid 3279] mkdirat(AT_FDCWD, "./config", 0777 [pid 3278] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3277] <... mkdirat resumed>) = 0 [pid 3278] <... mmap resumed>) = 0x7f85c0c15000 [pid 3277] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3275] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3278] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3277] <... futex resumed>) = 0 [pid 3275] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3279] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3278] <... mprotect resumed>) = 0 [pid 3277] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3275] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3278] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3277] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3279] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3278] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3277] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3275] <... futex resumed>) = 0 [pid 3279] <... futex resumed>) = 1 [pid 3278] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3277] <... symlinkat resumed>) = 0 [pid 3275] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3274] <... futex resumed>) = 0 [pid 3279] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3277] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3275] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3274] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3279] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3278] <... clone3 resumed> => {parent_tid=[3280]}, 88) = 3280 [pid 3277] <... futex resumed>) = 0 [pid 3275] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3274] <... futex resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 3279] mount(NULL, "./config", "configfs", 0, NULL [pid 3278] rt_sigprocmask(SIG_SETMASK, [] [pid 3277] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3275] <... futex resumed>) = 0 [pid 3274] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3279] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3278] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3277] <... unlinkat resumed>) = 0 [pid 3275] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3279] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3278] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3277] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3275] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3279] <... futex resumed>) = 1 [pid 3278] <... futex resumed>) = 0 [pid 3277] <... futex resumed>) = 0 [pid 3275] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3274] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3279] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3278] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3277] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3275] <... futex resumed>) = 0 [pid 3274] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3280 attached [pid 3279] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3277] <... unlinkat resumed>) = 0 [pid 3275] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3274] <... futex resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3280] set_robust_list(0x7f85c0c359a0, 24 [pid 3279] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3277] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3275] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3274] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3277] <... futex resumed>) = 0 [pid 3277] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3275] exit_group(0 [pid 3279] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3281 [pid 3277] <... futex resumed>) = ? [pid 3279] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3275] <... exit_group resumed>) = ? [pid 305] <... restart_syscall resumed>) = 0 [pid 3279] <... futex resumed>) = 1 [pid 3277] +++ exited with 0 +++ [pid 3274] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 3281 attached [pid 3281] set_robust_list(0x5555810c5760, 24) = 0 [pid 3281] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3281] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3275] +++ exited with 0 +++ [pid 3281] <... prctl resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3275, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3274] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3279] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3274] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3279] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3274] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3279] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3274] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3279] <... futex resumed>) = 0 [pid 3274] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3281] setpgid(0, 0) = 0 [pid 3281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3279] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3274] <... futex resumed>) = 0 [pid 3281] write(3, "1000", 4) = 4 [pid 3279] <... mkdirat resumed>) = 0 [pid 3274] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3279] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3282 [pid 3279] <... futex resumed>) = 0 [pid 3274] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3279] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3274] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3279] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3274] <... futex resumed>) = 0 [pid 3279] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3274] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3281] close(3 [pid 3279] <... symlinkat resumed>) = 0 [pid 3279] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3281] <... close resumed>) = 0 [pid 3279] <... futex resumed>) = 1 [pid 3274] <... futex resumed>) = 0 [pid 3279] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3274] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3279] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3274] <... futex resumed>) = 0 [pid 3279] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3274] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3281] write(1, "executing program\n", 18 [pid 3279] <... unlinkat resumed>) = 0 [pid 3281] <... write resumed>) = 18 [pid 3279] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3281] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 3279] <... futex resumed>) = 1 [pid 3274] <... futex resumed>) = 0 [pid 3279] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3274] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3279] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3274] <... futex resumed>) = 0 [pid 3279] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3274] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3281] <... futex resumed>) = 0 [pid 3279] <... unlinkat resumed>) = 0 [pid 3281] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3279] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3281] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3279] <... futex resumed>) = 1 [pid 3274] <... futex resumed>) = 0 [pid 3279] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3274] exit_group(0 [pid 3281] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3279] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 3274] <... exit_group resumed>) = ? [pid 3281] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3279] +++ exited with 0 +++ [pid 3281] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3281] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3281] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3281] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3274] +++ exited with 0 +++ [pid 3281] <... clone3 resumed> => {parent_tid=[3283]}, 88) = 3283 [pid 3281] rt_sigprocmask(SIG_SETMASK, [] [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3274, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3281] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3281] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 ci2-android-5-15/strace-static-x86_64: Process 3283 attached [pid 3281] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3280] <... set_robust_list resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3282 attached [pid 3282] set_robust_list(0x5555810c5760, 24) = 0 [pid 3282] rt_sigprocmask(SIG_SETMASK, [] [pid 3280] rt_sigprocmask(SIG_SETMASK, [] [pid 3282] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3282] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3282] setpgid(0, 0) = 0 [pid 3282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3283] set_robust_list(0x7f85c0c359a0, 24 [pid 3282] <... openat resumed>) = 3 [pid 3280] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3282] write(3, "1000", 4) = 4 [pid 3282] close(3) = 0 [pid 3282] write(1, "executing program\n", 18 [pid 3280] mkdirat(AT_FDCWD, "./config", 0777 [pid 3282] <... write resumed>) = 18 [pid 3282] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3280] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 3282] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3282] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3282] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3283] <... set_robust_list resumed>) = 0 [pid 3280] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3282] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3280] <... futex resumed>) = 1 [pid 3278] <... futex resumed>) = 0 [pid 3282] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3278] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3282] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3278] <... futex resumed>) = 0 [pid 3282] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3278] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3283] rt_sigprocmask(SIG_SETMASK, [] [pid 3280] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3283] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3282] <... clone3 resumed> => {parent_tid=[3284]}, 88) = 3284 ci2-android-5-15/strace-static-x86_64: Process 3284 attached [pid 3284] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3284] rt_sigprocmask(SIG_SETMASK, [] [pid 3280] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... restart_syscall resumed>) = 0 [pid 3282] rt_sigprocmask(SIG_SETMASK, [] [pid 3280] <... futex resumed>) = 1 [pid 3278] <... futex resumed>) = 0 [pid 3278] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3280] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3278] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3280] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 304] <... restart_syscall resumed>) = 0 [pid 3280] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3280] <... futex resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3278] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 3278] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3278] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3284] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3284] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3280] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3280] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3285 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3280] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3280] <... futex resumed>) = 1 [pid 3278] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3285 attached [pid 3285] set_robust_list(0x5555810c5760, 24) = 0 [pid 3278] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3286 [pid 3280] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3278] <... futex resumed>) = 0 [pid 3278] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3280] <... mkdirat resumed>) = 0 [pid 3280] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3282] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3278] <... futex resumed>) = 0 [pid 3280] <... futex resumed>) = 1 [pid 3282] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3280] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3278] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3285] rt_sigprocmask(SIG_SETMASK, [] [pid 3278] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3280] <... symlinkat resumed>) = 0 [pid 3280] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3282] <... futex resumed>) = 1 [pid 3280] <... futex resumed>) = 1 [pid 3278] <... futex resumed>) = 0 [pid 3282] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3280] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3278] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3280] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3278] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3280] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3284] <... futex resumed>) = 0 [pid 3280] <... unlinkat resumed>) = 0 [pid 3283] mkdirat(AT_FDCWD, "./config", 0777 [pid 3280] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3278] <... futex resumed>) = 0 [pid 3280] <... futex resumed>) = 1 [pid 3283] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3280] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3278] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3278] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3283] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3280] <... unlinkat resumed>) = 0 [pid 3284] mkdirat(AT_FDCWD, "./config", 0777 [pid 3280] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3283] <... futex resumed>) = 1 [pid 3280] <... futex resumed>) = 1 [pid 3283] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3278] <... futex resumed>) = 0 [pid 3280] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3278] exit_group(0 [pid 3281] <... futex resumed>) = 0 [pid 3280] <... futex resumed>) = ? [pid 3278] <... exit_group resumed>) = ? [pid 3281] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3281] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3284] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3284] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3284] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3285] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3285] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3285] setpgid(0, 0 [pid 3280] +++ exited with 0 +++ [pid 3278] +++ exited with 0 +++ [pid 3282] <... futex resumed>) = 0 [pid 3283] <... futex resumed>) = 0 [pid 3282] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3278, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3283] mount(NULL, "./config", "configfs", 0, NULL [pid 3282] <... futex resumed>) = 1 [pid 3284] <... futex resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3285] <... setpgid resumed>) = 0 [pid 3284] mount(NULL, "./config", "configfs", 0, NULL [pid 3283] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3282] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3284] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3283] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3284] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3282] <... futex resumed>) = 0 [pid 3284] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3283] <... futex resumed>) = 1 [pid 3282] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3281] <... futex resumed>) = 0 [pid 3284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3281] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3284] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3283] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3282] <... futex resumed>) = 0 [pid 3281] <... futex resumed>) = 0 [pid 3284] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3281] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3284] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3282] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3284] <... futex resumed>) = 0 [pid 3283] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3284] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3282] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3283] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3285] <... openat resumed>) = 3 [pid 3282] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3283] <... futex resumed>) = 1 [pid 3281] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3286 attached [pid 3281] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... restart_syscall resumed>) = 0 [pid 3281] <... futex resumed>) = 0 [pid 3284] <... futex resumed>) = 0 [pid 3283] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3282] <... futex resumed>) = 1 [pid 3281] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3284] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3283] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3282] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3284] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3283] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3284] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3284] <... futex resumed>) = 1 [pid 3283] <... futex resumed>) = 1 [pid 3282] <... futex resumed>) = 0 [pid 3281] <... futex resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3284] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3283] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3282] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3281] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3281] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3285] write(3, "1000", 4) = 4 [pid 3285] close(3 [pid 3284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3282] <... futex resumed>) = 0 [pid 3284] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3283] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3282] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3287 [pid 3285] <... close resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3285] write(1, "executing program\n", 18 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3284] <... mkdirat resumed>) = 0 [pid 3283] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3284] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3283] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3282] <... futex resumed>) = 0 [pid 3284] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3283] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3282] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3283] <... futex resumed>) = 1 [pid 3282] <... futex resumed>) = 0 [pid 3281] <... futex resumed>) = 0 [pid 3284] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3283] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3282] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3281] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3284] <... symlinkat resumed>) = 0 [pid 3283] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3281] <... futex resumed>) = 0 [pid 3284] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3283] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3281] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3285] <... write resumed>) = 18 [pid 3284] <... futex resumed>) = 1 executing program [pid 3283] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3282] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3287 attached [pid 3286] set_robust_list(0x5555810c5760, 24 [pid 3285] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3284] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3283] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3282] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3283] <... futex resumed>) = 1 [pid 3282] <... futex resumed>) = 0 [pid 3281] <... futex resumed>) = 0 [pid 3284] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3283] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3282] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3281] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3284] <... unlinkat resumed>) = 0 [pid 3283] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3281] <... futex resumed>) = 0 [pid 3285] <... futex resumed>) = 0 [pid 3284] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3283] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3281] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3285] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3284] <... futex resumed>) = 1 [pid 3283] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3282] <... futex resumed>) = 0 [pid 3285] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3284] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3283] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3282] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3285] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3283] <... futex resumed>) = 1 [pid 3282] <... futex resumed>) = 0 [pid 3281] <... futex resumed>) = 0 [pid 3285] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3284] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3283] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3282] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3281] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3284] <... unlinkat resumed>) = 0 [pid 3281] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3285] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3284] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3283] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3284] <... futex resumed>) = 1 [pid 3283] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3282] <... futex resumed>) = 0 [pid 3285] <... mmap resumed>) = 0x7f85c0c15000 [pid 3284] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3285] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3283] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3282] exit_group(0 [pid 3283] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3284] <... futex resumed>) = ? [pid 3282] <... exit_group resumed>) = ? [pid 3285] <... mprotect resumed>) = 0 [pid 3283] <... futex resumed>) = 1 [pid 3281] <... futex resumed>) = 0 [pid 3284] +++ exited with 0 +++ [pid 3281] exit_group(0) = ? [pid 3287] set_robust_list(0x5555810c5760, 24) = 0 [pid 3287] rt_sigprocmask(SIG_SETMASK, [] [pid 3282] +++ exited with 0 +++ [pid 3287] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3287] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3282, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3285] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3287] <... prctl resumed>) = 0 [pid 3287] setpgid(0, 0) = 0 [pid 3287] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3287] write(3, "1000", 4 [pid 3283] +++ exited with 0 +++ [pid 3281] +++ exited with 0 +++ [pid 3287] <... write resumed>) = 4 [pid 3285] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3281, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3287] close(3 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3285] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3287] <... close resumed>) = 0 [pid 3287] write(1, "executing program\n", 18 [pid 3286] <... set_robust_list resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3288 attached [pid 3287] <... write resumed>) = 18 [pid 3287] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3285] <... clone3 resumed> => {parent_tid=[3288]}, 88) = 3288 [pid 3287] <... futex resumed>) = 0 [pid 3286] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 3285] rt_sigprocmask(SIG_SETMASK, [] [pid 3287] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3287] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3287] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3287] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3287] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3286] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3285] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3288] set_robust_list(0x7f85c0c359a0, 24 [pid 3287] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3287] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3285] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3287] <... clone3 resumed> => {parent_tid=[3289]}, 88) = 3289 [pid 3286] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3285] <... futex resumed>) = 0 [pid 3287] rt_sigprocmask(SIG_SETMASK, [] [pid 3285] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3286] <... prctl resumed>) = 0 [pid 3287] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3287] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3287] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3289 attached [pid 3289] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3289] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3289] mkdirat(AT_FDCWD, "./config", 0777 [pid 3288] <... set_robust_list resumed>) = 0 [pid 3286] setpgid(0, 0) = 0 [pid 3286] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3286] write(3, "1000", 4) = 4 [pid 3286] close(3) = 0 [pid 3286] write(1, "executing program\n", 18) = 18 executing program [pid 3286] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3286] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3286] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3286] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3286] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 3289] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3288] rt_sigprocmask(SIG_SETMASK, [] [pid 3286] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... restart_syscall resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3286] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3289] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3288] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3286] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3286] <... clone3 resumed> => {parent_tid=[3290]}, 88) = 3290 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3291 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3286] rt_sigprocmask(SIG_SETMASK, [] [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 3291 attached ci2-android-5-15/strace-static-x86_64: Process 3290 attached [pid 3289] <... futex resumed>) = 1 [pid 3288] mkdirat(AT_FDCWD, "./config", 0777 [pid 3287] <... futex resumed>) = 0 [pid 3286] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3292 [pid 3290] set_robust_list(0x7f85c0c359a0, 24 [pid 3289] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3290] <... set_robust_list resumed>) = 0 [pid 3289] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3288] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3287] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3286] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3292 attached [pid 3292] set_robust_list(0x5555810c5760, 24) = 0 [pid 3292] rt_sigprocmask(SIG_SETMASK, [] [pid 3287] <... futex resumed>) = 0 [pid 3289] mount(NULL, "./config", "configfs", 0, NULL [pid 3286] <... futex resumed>) = 0 [pid 3290] rt_sigprocmask(SIG_SETMASK, [] [pid 3288] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3292] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3292] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3292] setpgid(0, 0) = 0 [pid 3292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3286] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3289] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3290] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3288] <... futex resumed>) = 1 [pid 3287] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3285] <... futex resumed>) = 0 [pid 3285] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3285] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3292] <... openat resumed>) = 3 [pid 3292] write(3, "1000", 4) = 4 [pid 3290] mkdirat(AT_FDCWD, "./config", 0777 [pid 3289] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3288] mount(NULL, "./config", "configfs", 0, NULL [pid 3292] close(3) = 0 [pid 3292] write(1, "executing program\n", 18) = 18 [pid 3292] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3290] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3289] <... futex resumed>) = 1 [pid 3287] <... futex resumed>) = 0 executing program [pid 3292] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3288] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3287] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3290] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3289] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3292] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3292] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3292] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3292] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3292] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3290] <... futex resumed>) = 1 [pid 3287] <... futex resumed>) = 0 [pid 3292] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3292] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3287] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3286] <... futex resumed>) = 0 [pid 3291] set_robust_list(0x5555810c5760, 24 [pid 3290] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3289] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3288] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3286] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3291] <... set_robust_list resumed>) = 0 [pid 3290] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3289] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3288] <... futex resumed>) = 1 [pid 3285] <... futex resumed>) = 0 [pid 3289] <... futex resumed>) = 1 [pid 3287] <... futex resumed>) = 0 [pid 3286] <... futex resumed>) = 0 [pid 3290] mount(NULL, "./config", "configfs", 0, NULL [pid 3285] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3288] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3291] rt_sigprocmask(SIG_SETMASK, [] [pid 3289] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3287] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3286] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3285] <... futex resumed>) = 0 [pid 3291] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3290] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3289] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3288] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3287] <... futex resumed>) = 0 [pid 3285] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3290] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3287] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3292] <... clone3 resumed> => {parent_tid=[3293]}, 88) = 3293 [pid 3289] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3291] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3290] <... futex resumed>) = 1 [pid 3289] <... futex resumed>) = 0 [pid 3288] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3287] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3286] <... futex resumed>) = 0 [pid 3291] <... prctl resumed>) = 0 [pid 3290] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3289] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3288] <... futex resumed>) = 1 [pid 3287] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3286] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3285] <... futex resumed>) = 0 [pid 3291] setpgid(0, 0 [pid 3290] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3289] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3288] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3287] <... futex resumed>) = 0 [pid 3286] <... futex resumed>) = 0 [pid 3285] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3291] <... setpgid resumed>) = 0 [pid 3290] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3289] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3288] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3287] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3286] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3285] <... futex resumed>) = 0 [pid 3292] rt_sigprocmask(SIG_SETMASK, [] [pid 3291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3290] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3285] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3292] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3289] <... mkdirat resumed>) = 0 [pid 3290] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3288] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3292] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3291] <... openat resumed>) = 3 [pid 3290] <... futex resumed>) = 1 [pid 3286] <... futex resumed>) = 0 [pid 3291] write(3, "1000", 4 [pid 3290] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3289] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3288] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3286] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3291] <... write resumed>) = 4 [pid 3290] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3289] <... futex resumed>) = 1 [pid 3288] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3287] <... futex resumed>) = 0 [pid 3286] <... futex resumed>) = 0 [pid 3292] <... futex resumed>) = 0 [pid 3291] close(3 [pid 3290] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3289] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3288] <... futex resumed>) = 1 [pid 3287] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3285] <... futex resumed>) = 0 [pid 3292] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3291] <... close resumed>) = 0 [pid 3290] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3289] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3288] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3287] <... futex resumed>) = 0 [pid 3286] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3285] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3291] write(1, "executing program\n", 18 [pid 3290] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3289] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3288] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3287] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3285] <... futex resumed>) = 0 [pid 3291] <... write resumed>) = 18 [pid 3290] <... futex resumed>) = 0 [pid 3285] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} executing program [pid 3290] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3289] <... symlinkat resumed>) = 0 [pid 3288] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3286] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3291] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3290] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3289] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3288] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3286] <... futex resumed>) = 0 [pid 3291] <... futex resumed>) = 0 [pid 3290] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3289] <... futex resumed>) = 1 [pid 3287] <... futex resumed>) = 0 [pid 3291] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3290] <... futex resumed>) = 0 [pid 3289] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3288] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3287] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3286] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3291] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3290] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3289] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3288] <... futex resumed>) = 1 [pid 3287] <... futex resumed>) = 0 [pid 3286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3285] <... futex resumed>) = 0 [pid 3291] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3289] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3288] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3287] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3285] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3291] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3289] <... unlinkat resumed>) = 0 [pid 3288] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3286] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3285] <... futex resumed>) = 0 [pid 3291] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3290] <... futex resumed>) = 0 [pid 3289] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3288] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3286] <... futex resumed>) = 1 [pid 3285] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3291] <... mmap resumed>) = 0x7f85c0c15000 [pid 3290] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3289] <... futex resumed>) = 1 [pid 3287] <... futex resumed>) = 0 [pid 3288] <... symlinkat resumed>) = 0 [pid 3286] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3291] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3290] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3289] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3288] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3287] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3291] <... mprotect resumed>) = 0 [pid 3290] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3289] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3290] <... futex resumed>) = 1 [pid 3288] <... futex resumed>) = 1 [pid 3287] <... futex resumed>) = 0 [pid 3289] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3286] <... futex resumed>) = 0 [pid 3285] <... futex resumed>) = 0 [pid 3291] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3290] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3289] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3288] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3287] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3286] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3285] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3291] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3290] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3289] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3288] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3287] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3286] <... futex resumed>) = 0 [pid 3285] <... futex resumed>) = 0 [pid 3291] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3290] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3289] <... futex resumed>) = 0 [pid 3288] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3287] exit_group(0 [pid 3286] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3285] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3290] <... unlinkat resumed>) = 0 [pid 3288] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3287] <... exit_group resumed>) = ? [pid 3290] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3289] +++ exited with 0 +++ [pid 3288] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3294 attached [pid 3294] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3294] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3287] +++ exited with 0 +++ [pid 3290] <... futex resumed>) = 1 [pid 3286] <... futex resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3287, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3291] <... clone3 resumed> => {parent_tid=[3294]}, 88) = 3294 [pid 3288] <... futex resumed>) = 1 [pid 3285] <... futex resumed>) = 0 [pid 3291] rt_sigprocmask(SIG_SETMASK, [] [pid 3290] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3288] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3286] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3285] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3291] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3290] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3288] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3286] <... futex resumed>) = 0 [pid 3285] <... futex resumed>) = 0 [pid 3291] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3290] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3288] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3286] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3285] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3291] <... futex resumed>) = 0 [pid 3294] mkdirat(AT_FDCWD, "./config", 0777 [pid 3290] <... unlinkat resumed>) = 0 [pid 3294] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3290] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3288] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3291] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3290] <... futex resumed>) = 1 [pid 3288] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3286] <... futex resumed>) = 0 [pid 3290] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3288] <... futex resumed>) = 1 [pid 3285] <... futex resumed>) = 0 [pid 3288] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3286] exit_group(0 [pid 3285] exit_group(0 [pid 3294] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3288] <... futex resumed>) = ? [pid 3286] <... exit_group resumed>) = ? [pid 3285] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 3293 attached [pid 3294] <... futex resumed>) = 1 [pid 3291] <... futex resumed>) = 0 [pid 3290] <... futex resumed>) = ? [pid 3288] +++ exited with 0 +++ [pid 3285] +++ exited with 0 +++ [pid 3294] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3291] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3285, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3290] +++ exited with 0 +++ [pid 3286] +++ exited with 0 +++ [pid 3294] mount(NULL, "./config", "configfs", 0, NULL [pid 3291] <... futex resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3286, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3294] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3293] set_robust_list(0x7f85c0c359a0, 24 [pid 3291] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3294] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3291] <... futex resumed>) = 0 [pid 3294] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3291] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3294] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3291] <... futex resumed>) = 0 [pid 3294] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3291] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3294] <... futex resumed>) = 0 [pid 3291] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3294] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3291] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3294] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3294] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3291] <... futex resumed>) = 0 [pid 3294] <... futex resumed>) = 0 [pid 3291] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3294] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3291] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3293] <... set_robust_list resumed>) = 0 [pid 3291] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3294] <... futex resumed>) = 0 [pid 3293] rt_sigprocmask(SIG_SETMASK, [] [pid 3291] <... futex resumed>) = 1 [pid 3294] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3293] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3291] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3294] <... mkdirat resumed>) = 0 [pid 3293] mkdirat(AT_FDCWD, "./config", 0777 [pid 3294] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3291] <... futex resumed>) = 0 [pid 3294] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3291] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3294] <... symlinkat resumed>) = 0 [pid 3293] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3291] <... futex resumed>) = 0 [pid 3294] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3291] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3294] <... futex resumed>) = 0 [pid 3291] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3294] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3291] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3294] <... unlinkat resumed>) = 0 [pid 3291] <... futex resumed>) = 0 [pid 3293] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3294] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3291] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3294] <... futex resumed>) = 0 [pid 3291] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3294] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3291] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3294] <... unlinkat resumed>) = 0 [pid 3293] <... futex resumed>) = 1 [pid 3292] <... futex resumed>) = 0 [pid 3291] <... futex resumed>) = 0 [pid 3294] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3292] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3291] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3294] <... futex resumed>) = 0 [pid 3292] <... futex resumed>) = 0 [pid 3291] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3294] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3293] mount(NULL, "./config", "configfs", 0, NULL [pid 3292] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3291] exit_group(0) = ? [pid 3294] <... futex resumed>) = ? [pid 3293] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3293] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3292] <... futex resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 3292] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3294] +++ exited with 0 +++ [pid 3293] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3292] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3291] +++ exited with 0 +++ [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... restart_syscall resumed>) = 0 [pid 3293] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3291, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3293] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3293] <... futex resumed>) = 1 [pid 3292] <... futex resumed>) = 0 [pid 3293] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3292] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 3295 attached [pid 3292] <... futex resumed>) = 1 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3295 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3292] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3295] set_robust_list(0x5555810c5760, 24 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3295] <... set_robust_list resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3293] <... futex resumed>) = 0 [pid 3293] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 312] <... restart_syscall resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3296 attached [pid 3295] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... restart_syscall resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3296 [pid 3296] set_robust_list(0x5555810c5760, 24 [pid 3295] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3293] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3295] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3293] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3292] <... futex resumed>) = 0 [pid 3293] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3292] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3295] <... prctl resumed>) = 0 [pid 3293] <... mkdirat resumed>) = 0 [pid 3292] <... futex resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3295] setpgid(0, 0 [pid 3293] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3292] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3297 [pid 3293] <... futex resumed>) = 0 [pid 3292] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3293] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3292] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3293] <... symlinkat resumed>) = 0 [pid 3295] <... setpgid resumed>) = 0 [pid 3292] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3293] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3292] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3293] <... futex resumed>) = 0 [pid 3292] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3298 [pid 3295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3293] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3292] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3292] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3295] <... openat resumed>) = 3 [pid 3293] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3292] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3293] <... unlinkat resumed>) = 0 [pid 3295] write(3, "1000", 4 [pid 3293] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3292] <... futex resumed>) = 0 [pid 3295] <... write resumed>) = 4 [pid 3293] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3292] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3292] <... futex resumed>) = 0 [pid 3293] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3292] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3298 attached ci2-android-5-15/strace-static-x86_64: Process 3297 attached [pid 3296] <... set_robust_list resumed>) = 0 [pid 3295] close(3 [pid 3293] <... unlinkat resumed>) = 0 [pid 3297] set_robust_list(0x5555810c5760, 24 [pid 3293] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3297] <... set_robust_list resumed>) = 0 [pid 3296] rt_sigprocmask(SIG_SETMASK, [] [pid 3295] <... close resumed>) = 0 [pid 3293] <... futex resumed>) = 1 [pid 3292] <... futex resumed>) = 0 [pid 3298] set_robust_list(0x5555810c5760, 24 [pid 3297] rt_sigprocmask(SIG_SETMASK, [] [pid 3296] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3295] write(1, "executing program\n", 18 [pid 3293] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL executing program [pid 3292] exit_group(0 [pid 3297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3296] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3295] <... write resumed>) = 18 [pid 3293] <... futex resumed>) = ? [pid 3292] <... exit_group resumed>) = ? [pid 3298] <... set_robust_list resumed>) = 0 [pid 3297] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3296] <... prctl resumed>) = 0 [pid 3295] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3293] +++ exited with 0 +++ [pid 3292] +++ exited with 0 +++ [pid 3296] setpgid(0, 0 [pid 3295] <... futex resumed>) = 0 [pid 3297] <... prctl resumed>) = 0 [pid 3296] <... setpgid resumed>) = 0 [pid 3295] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3292, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3295] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3295] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3297] setpgid(0, 0 [pid 3296] <... openat resumed>) = 3 [pid 3295] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3297] <... setpgid resumed>) = 0 [pid 3296] write(3, "1000", 4 [pid 3295] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3296] <... write resumed>) = 4 [pid 3295] <... mmap resumed>) = 0x7f85c0c15000 [pid 3297] <... openat resumed>) = 3 [pid 3296] close(3 [pid 3295] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3297] write(3, "1000", 4 [pid 3296] <... close resumed>) = 0 [pid 3295] <... mprotect resumed>) = 0 [pid 3297] <... write resumed>) = 4 [pid 3297] close(3 [pid 3295] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3296] write(1, "executing program\n", 18 [pid 3295] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3297] <... close resumed>) = 0 [pid 3296] <... write resumed>) = 18 [pid 3295] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3297] write(1, "executing program\n", 18) = 18 [pid 3297] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3296] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3295] <... clone3 resumed> => {parent_tid=[3299]}, 88) = 3299 executing program executing program [pid 3298] rt_sigprocmask(SIG_SETMASK, [] [pid 3296] <... futex resumed>) = 0 [pid 3295] rt_sigprocmask(SIG_SETMASK, [] [pid 3297] <... futex resumed>) = 0 [pid 3296] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3295] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3298] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3296] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3295] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3297] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3295] <... futex resumed>) = 0 [pid 3296] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3298] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3297] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3295] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3297] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3298] <... prctl resumed>) = 0 [pid 3297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3296] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3297] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3298] setpgid(0, 0 [pid 3297] <... mmap resumed>) = 0x7f85c0c15000 [pid 3296] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3297] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3298] <... setpgid resumed>) = 0 [pid 3297] <... mprotect resumed>) = 0 [pid 3296] <... mmap resumed>) = 0x7f85c0c15000 [pid 3297] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3297] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3296] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3297] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3296] <... mprotect resumed>) = 0 [pid 3298] <... openat resumed>) = 3 [pid 3297] <... clone3 resumed> => {parent_tid=[3300]}, 88) = 3300 [pid 3298] write(3, "1000", 4 [pid 3297] rt_sigprocmask(SIG_SETMASK, [] [pid 3296] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3298] <... write resumed>) = 4 [pid 3297] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3296] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3298] close(3 [pid 3297] <... futex resumed>) = 0 [pid 3296] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3297] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3299 attached [pid 3299] set_robust_list(0x7f85c0c359a0, 24 [pid 3298] <... close resumed>) = 0 [pid 3296] <... clone3 resumed> => {parent_tid=[3301]}, 88) = 3301 [pid 3299] <... set_robust_list resumed>) = 0 [pid 3296] rt_sigprocmask(SIG_SETMASK, [] [pid 3298] write(1, "executing program\n", 18 [pid 3296] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3298] <... write resumed>) = 18 executing program [pid 3296] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3298] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3296] <... futex resumed>) = 0 [pid 3299] rt_sigprocmask(SIG_SETMASK, [] [pid 3296] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3298] <... futex resumed>) = 0 [pid 3299] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3299] mkdirat(AT_FDCWD, "./config", 0777 [pid 3298] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3299] <... mkdirat resumed>) = -1 EEXIST (File exists) ci2-android-5-15/strace-static-x86_64: Process 3301 attached [pid 3298] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 3299] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3298] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3299] <... futex resumed>) = 1 [pid 3295] <... futex resumed>) = 0 [pid 3298] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3295] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3298] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3295] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3298] <... mmap resumed>) = 0x7f85c0c15000 [pid 3295] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3298] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3299] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3299] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3299] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 3300 attached [pid 3295] <... futex resumed>) = 0 [pid 3298] <... mprotect resumed>) = 0 [pid 3295] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3302 [pid 3300] set_robust_list(0x7f85c0c359a0, 24 [pid 3299] <... futex resumed>) = 0 [pid 3298] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3295] <... futex resumed>) = 1 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3298] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3295] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3298] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3299] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3298] <... clone3 resumed> => {parent_tid=[3303]}, 88) = 3303 [pid 3299] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3298] rt_sigprocmask(SIG_SETMASK, [] [pid 3299] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3298] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3299] <... futex resumed>) = 1 [pid 3298] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3295] <... futex resumed>) = 0 [pid 3298] <... futex resumed>) = 0 [pid 3295] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3298] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3295] <... futex resumed>) = 0 [pid 3300] <... set_robust_list resumed>) = 0 [pid 3299] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3295] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3300] rt_sigprocmask(SIG_SETMASK, [] [pid 3299] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3300] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3299] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3303 attached [pid 3301] set_robust_list(0x7f85c0c359a0, 24 [pid 3300] mkdirat(AT_FDCWD, "./config", 0777 [pid 3299] <... futex resumed>) = 1 [pid 3295] <... futex resumed>) = 0 [pid 3300] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3299] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3295] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3303] set_robust_list(0x7f85c0c359a0, 24 [pid 3301] <... set_robust_list resumed>) = 0 [pid 3300] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3299] <... mkdirat resumed>) = 0 [pid 3295] <... futex resumed>) = 0 [pid 3300] <... futex resumed>) = 1 [pid 3299] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3297] <... futex resumed>) = 0 [pid 3300] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3299] <... futex resumed>) = 0 [pid 3297] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3295] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3300] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3299] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3297] <... futex resumed>) = 0 [pid 3301] rt_sigprocmask(SIG_SETMASK, [] [pid 3300] mount(NULL, "./config", "configfs", 0, NULL [pid 3297] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3303] <... set_robust_list resumed>) = 0 [pid 3301] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3300] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3295] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3300] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3299] <... futex resumed>) = 0 [pid 3295] <... futex resumed>) = 1 [pid 3301] mkdirat(AT_FDCWD, "./config", 0777 [pid 3300] <... futex resumed>) = 1 [pid 3299] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3297] <... futex resumed>) = 0 [pid 3303] rt_sigprocmask(SIG_SETMASK, [] [pid 3301] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3300] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3299] <... symlinkat resumed>) = 0 [pid 3297] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3295] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3300] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3299] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3297] <... futex resumed>) = 0 [pid 3295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ci2-android-5-15/strace-static-x86_64: Process 3302 attached [pid 3301] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3300] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3299] <... futex resumed>) = 0 [pid 3297] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3295] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3303] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3302] set_robust_list(0x5555810c5760, 24 [pid 3301] <... futex resumed>) = 1 [pid 3300] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3299] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3296] <... futex resumed>) = 0 [pid 3295] <... futex resumed>) = 0 [pid 3302] <... set_robust_list resumed>) = 0 [pid 3301] mount(NULL, "./config", "configfs", 0, NULL [pid 3300] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3299] <... unlinkat resumed>) = 0 [pid 3296] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3295] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3302] rt_sigprocmask(SIG_SETMASK, [] [pid 3301] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3300] <... futex resumed>) = 1 [pid 3299] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3297] <... futex resumed>) = 0 [pid 3296] <... futex resumed>) = 0 [pid 3295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3302] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3301] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3300] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3299] <... futex resumed>) = 0 [pid 3297] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3296] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3295] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3302] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3301] <... futex resumed>) = 0 [pid 3300] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3299] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3297] <... futex resumed>) = 0 [pid 3296] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3295] <... futex resumed>) = 0 [pid 3303] mkdirat(AT_FDCWD, "./config", 0777 [pid 3302] <... prctl resumed>) = 0 [pid 3301] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3300] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3299] <... unlinkat resumed>) = 0 [pid 3297] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3296] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3295] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3303] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3302] setpgid(0, 0 [pid 3301] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3300] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3299] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3296] <... futex resumed>) = 0 [pid 3295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3303] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3302] <... setpgid resumed>) = 0 [pid 3301] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3300] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3299] <... futex resumed>) = 0 [pid 3296] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3295] exit_group(0 [pid 3303] <... futex resumed>) = 1 [pid 3302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3301] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3300] <... futex resumed>) = 1 [pid 3298] <... futex resumed>) = 0 [pid 3297] <... futex resumed>) = 0 [pid 3295] <... exit_group resumed>) = ? [pid 3303] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3302] <... openat resumed>) = 3 [pid 3301] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3300] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3299] +++ exited with 0 +++ [pid 3298] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3297] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3302] write(3, "1000", 4 [pid 3300] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3297] <... futex resumed>) = 0 [pid 3302] <... write resumed>) = 4 [pid 3300] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3297] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3303] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3302] close(3 [pid 3301] <... futex resumed>) = 1 [pid 3300] <... mkdirat resumed>) = 0 [pid 3298] <... futex resumed>) = 0 [pid 3296] <... futex resumed>) = 0 [pid 3295] +++ exited with 0 +++ [pid 3303] mount(NULL, "./config", "configfs", 0, NULL [pid 3302] <... close resumed>) = 0 [pid 3301] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3300] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3298] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3296] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3295, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3302] write(1, "executing program\n", 18 [pid 3300] <... futex resumed>) = 1 [pid 3297] <... futex resumed>) = 0 executing program [pid 3296] <... futex resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3301] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3303] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3302] <... write resumed>) = 18 [pid 3301] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3300] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3297] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3296] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3303] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3302] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3301] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3300] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3297] <... futex resumed>) = 0 [pid 3303] <... futex resumed>) = 1 [pid 3302] <... futex resumed>) = 0 [pid 3301] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3300] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3298] <... futex resumed>) = 0 [pid 3297] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3303] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3302] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3301] <... futex resumed>) = 1 [pid 3298] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3296] <... futex resumed>) = 0 [pid 3303] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3302] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3301] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3300] <... symlinkat resumed>) = 0 [pid 3298] <... futex resumed>) = 0 [pid 3296] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3303] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3302] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3301] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3300] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3298] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3296] <... futex resumed>) = 0 [pid 3303] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3302] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3301] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3300] <... futex resumed>) = 1 [pid 3297] <... futex resumed>) = 0 [pid 3296] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3303] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3302] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3301] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3300] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3297] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3303] <... futex resumed>) = 1 [pid 3302] <... mmap resumed>) = 0x7f85c0c15000 [pid 3301] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3298] <... futex resumed>) = 0 [pid 3303] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3302] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3301] <... futex resumed>) = 1 [pid 3300] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3298] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3297] <... futex resumed>) = 0 [pid 3296] <... futex resumed>) = 0 [pid 3303] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3302] <... mprotect resumed>) = 0 [pid 3301] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3300] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3298] <... futex resumed>) = 0 [pid 3297] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3296] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3303] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3302] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3301] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3298] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3296] <... futex resumed>) = 0 [pid 3303] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3302] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3301] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3300] <... unlinkat resumed>) = 0 [pid 3296] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3303] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3302] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3301] <... symlinkat resumed>) = 0 [pid 3300] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3303] <... futex resumed>) = 1 [pid 3301] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3298] <... futex resumed>) = 0 [pid 3303] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3301] <... futex resumed>) = 1 [pid 3298] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3296] <... futex resumed>) = 0 [pid 3303] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3301] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3300] <... futex resumed>) = 1 [pid 3298] <... futex resumed>) = 0 [pid 3297] <... futex resumed>) = 0 [pid 3296] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3303] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3302] <... clone3 resumed> => {parent_tid=[3304]}, 88) = 3304 [pid 3301] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3300] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3298] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3297] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3296] <... futex resumed>) = 0 [pid 3303] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3302] rt_sigprocmask(SIG_SETMASK, [] [pid 3301] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3300] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3297] <... futex resumed>) = 0 [pid 3296] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3304 attached [pid 3303] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3302] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3301] <... unlinkat resumed>) = 0 [pid 3300] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3297] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3303] <... futex resumed>) = 1 [pid 3302] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3301] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3298] <... futex resumed>) = 0 [pid 3303] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3301] <... futex resumed>) = 1 [pid 3298] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3296] <... futex resumed>) = 0 [pid 3303] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3302] <... futex resumed>) = 0 [pid 3301] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3300] <... unlinkat resumed>) = 0 [pid 3298] <... futex resumed>) = 0 [pid 3296] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3303] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3302] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3301] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3300] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3298] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3296] <... futex resumed>) = 0 [pid 3303] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3301] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3296] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3303] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3301] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3300] <... futex resumed>) = 1 [pid 3297] <... futex resumed>) = 0 [pid 3303] <... futex resumed>) = 1 [pid 3301] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3298] <... futex resumed>) = 0 [pid 3303] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3301] <... futex resumed>) = 1 [pid 3300] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3298] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3297] exit_group(0 [pid 3296] <... futex resumed>) = 0 [pid 3303] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3301] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3298] <... futex resumed>) = 0 [pid 3297] <... exit_group resumed>) = ? [pid 3296] exit_group(0 [pid 3303] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3301] <... futex resumed>) = ? [pid 3300] <... futex resumed>) = ? [pid 3298] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3296] <... exit_group resumed>) = ? [pid 3303] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3301] +++ exited with 0 +++ [pid 3300] +++ exited with 0 +++ [pid 3297] +++ exited with 0 +++ [pid 3296] +++ exited with 0 +++ [pid 3303] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3297, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3303] <... futex resumed>) = 1 [pid 3298] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3296, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3303] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3298] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3303] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3298] <... futex resumed>) = 0 [pid 3303] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3298] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3303] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3303] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3298] <... futex resumed>) = 0 [pid 3303] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3298] exit_group(0 [pid 3303] <... futex resumed>) = ? [pid 3298] <... exit_group resumed>) = ? [pid 3304] set_robust_list(0x7f85c0c359a0, 24 [pid 3303] +++ exited with 0 +++ [pid 311] <... restart_syscall resumed>) = 0 [pid 3298] +++ exited with 0 +++ [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3304] <... set_robust_list resumed>) = 0 [pid 3304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3304] mkdirat(AT_FDCWD, "./config", 0777 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3298, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... restart_syscall resumed>) = 0 [pid 3304] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3304] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3305 attached ) = 1 [pid 3302] <... futex resumed>) = 0 [pid 3305] set_robust_list(0x5555810c5760, 24 [pid 3304] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3302] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3305 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3305] <... set_robust_list resumed>) = 0 [pid 3304] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3302] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3304] mount(NULL, "./config", "configfs", 0, NULL [pid 3302] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3305] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 3306 attached [pid 3305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3304] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3304] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3306 [pid 3305] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3304] <... futex resumed>) = 1 [pid 3302] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3306] set_robust_list(0x5555810c5760, 24 [pid 3305] <... prctl resumed>) = 0 [pid 3304] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3302] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3305] setpgid(0, 0 [pid 3304] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3302] <... futex resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3305] <... setpgid resumed>) = 0 [pid 3304] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3302] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3304] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3308 [pid 3305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3304] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3307 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3304] <... futex resumed>) = 1 [pid 3302] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3305] <... openat resumed>) = 3 [pid 3304] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3302] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3305] write(3, "1000", 4 [pid 3304] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3302] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3305] <... write resumed>) = 4 [pid 3304] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3302] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3305] close(3 [pid 3304] <... futex resumed>) = 0 [pid 3302] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3305] <... close resumed>) = 0 [pid 3304] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3302] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3305] write(1, "executing program\n", 18 [pid 3304] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3302] <... futex resumed>) = 0 [pid 3305] <... write resumed>) = 18 executing program [pid 3304] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3302] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3307 attached ci2-android-5-15/strace-static-x86_64: Process 3308 attached [pid 3305] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3304] <... mkdirat resumed>) = 0 [pid 3308] set_robust_list(0x5555810c5760, 24 [pid 3305] <... futex resumed>) = 0 [pid 3304] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3305] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3302] <... futex resumed>) = 0 [pid 3304] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3302] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3305] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3304] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3302] <... futex resumed>) = 0 [pid 3305] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3304] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3302] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3307] set_robust_list(0x5555810c5760, 24 [pid 3305] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3304] <... symlinkat resumed>) = 0 [pid 3305] <... mmap resumed>) = 0x7f85c0c15000 [pid 3304] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3305] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3304] <... futex resumed>) = 1 [pid 3302] <... futex resumed>) = 0 [pid 3305] <... mprotect resumed>) = 0 [pid 3304] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3302] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3304] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3302] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3304] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3305] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3304] <... unlinkat resumed>) = 0 [pid 3308] <... set_robust_list resumed>) = 0 [pid 3307] <... set_robust_list resumed>) = 0 [pid 3308] rt_sigprocmask(SIG_SETMASK, [] [pid 3304] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3305] <... clone3 resumed> => {parent_tid=[3309]}, 88) = 3309 [pid 3304] <... futex resumed>) = 1 [pid 3305] rt_sigprocmask(SIG_SETMASK, [] [pid 3302] <... futex resumed>) = 0 [pid 3305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3304] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3302] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3305] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3304] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3302] <... futex resumed>) = 0 [pid 3305] <... futex resumed>) = 0 [pid 3304] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3302] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3307] rt_sigprocmask(SIG_SETMASK, [] [pid 3305] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3304] <... unlinkat resumed>) = 0 [pid 3308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3304] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3309 attached [pid 3308] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3307] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3306] <... set_robust_list resumed>) = 0 [pid 3304] <... futex resumed>) = 1 [pid 3302] <... futex resumed>) = 0 [pid 3308] <... prctl resumed>) = 0 [pid 3307] <... prctl resumed>) = 0 [pid 3304] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3302] exit_group(0 [pid 3308] setpgid(0, 0 [pid 3307] setpgid(0, 0 [pid 3304] <... futex resumed>) = ? [pid 3302] <... exit_group resumed>) = ? [pid 3309] set_robust_list(0x7f85c0c359a0, 24 [pid 3308] <... setpgid resumed>) = 0 [pid 3307] <... setpgid resumed>) = 0 [pid 3306] rt_sigprocmask(SIG_SETMASK, [] [pid 3304] +++ exited with 0 +++ [pid 3302] +++ exited with 0 +++ [pid 3308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3302, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3309] <... set_robust_list resumed>) = 0 [pid 3308] <... openat resumed>) = 3 [pid 3307] <... openat resumed>) = 3 [pid 3306] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3308] write(3, "1000", 4 [pid 3307] write(3, "1000", 4 [pid 3306] <... prctl resumed>) = 0 [pid 3308] <... write resumed>) = 4 [pid 3307] <... write resumed>) = 4 [pid 3308] close(3 [pid 3307] close(3 [pid 3308] <... close resumed>) = 0 [pid 3307] <... close resumed>) = 0 [pid 3308] write(1, "executing program\n", 18 [pid 3307] write(1, "executing program\n", 18 [pid 3308] <... write resumed>) = 18 [pid 3307] <... write resumed>) = 18 executing program executing program [pid 3309] rt_sigprocmask(SIG_SETMASK, [] [pid 3308] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3307] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3306] setpgid(0, 0 [pid 3308] <... futex resumed>) = 0 [pid 3307] <... futex resumed>) = 0 [pid 3308] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3307] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3306] <... setpgid resumed>) = 0 [pid 3309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3308] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3307] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3308] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3307] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 3306] <... openat resumed>) = 3 [pid 3308] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3307] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3306] write(3, "1000", 4 [pid 3308] <... mmap resumed>) = 0x7f85c0c15000 [pid 3307] <... mmap resumed>) = 0x7f85c0c15000 [pid 3306] <... write resumed>) = 4 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3308] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3307] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3308] <... mprotect resumed>) = 0 [pid 3307] <... mprotect resumed>) = 0 [pid 3306] close(3 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3306] <... close resumed>) = 0 [pid 3308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3309] mkdirat(AT_FDCWD, "./config", 0777 [pid 3308] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3307] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3306] write(1, "executing program\n", 18ci2-android-5-15/strace-static-x86_64: Process 3312 attached ci2-android-5-15/strace-static-x86_64: Process 3311 attached [pid 3309] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3308] <... clone3 resumed> => {parent_tid=[3311]}, 88) = 3311 [pid 3307] <... clone3 resumed> => {parent_tid=[3312]}, 88) = 3312 [pid 3306] <... write resumed>) = 18 executing program [pid 3309] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3310 [pid 3308] rt_sigprocmask(SIG_SETMASK, [] [pid 3307] rt_sigprocmask(SIG_SETMASK, [] [pid 3308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3309] <... futex resumed>) = 1 [pid 3306] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3311] set_robust_list(0x7f85c0c359a0, 24 [pid 3305] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3312] set_robust_list(0x7f85c0c359a0, 24 [pid 3308] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3307] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3308] <... futex resumed>) = 0 [pid 3307] <... futex resumed>) = 0 [pid 3312] <... set_robust_list resumed>) = 0 [pid 3311] <... set_robust_list resumed>) = 0 [pid 3309] mount(NULL, "./config", "configfs", 0, NULL [pid 3306] <... futex resumed>) = 0 [pid 3305] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3308] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3307] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3310 attached [pid 3309] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3306] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3305] <... futex resumed>) = 0 [pid 3310] set_robust_list(0x5555810c5760, 24) = 0 [pid 3312] rt_sigprocmask(SIG_SETMASK, [] [pid 3311] rt_sigprocmask(SIG_SETMASK, [] [pid 3310] rt_sigprocmask(SIG_SETMASK, [] [pid 3309] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3306] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3305] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3309] <... futex resumed>) = 0 [pid 3306] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3305] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3309] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3305] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3306] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3309] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3305] <... futex resumed>) = 0 [pid 3309] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3306] <... mmap resumed>) = 0x7f85c0c15000 [pid 3305] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3309] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3306] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3309] <... futex resumed>) = 0 [pid 3305] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3309] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3306] <... mprotect resumed>) = 0 [pid 3305] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3312] mkdirat(AT_FDCWD, "./config", 0777 [pid 3311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3310] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3309] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3305] <... futex resumed>) = 0 [pid 3309] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3305] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3309] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3306] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3305] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3309] <... futex resumed>) = 0 [pid 3312] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3310] <... prctl resumed>) = 0 [pid 3305] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3312] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3310] setpgid(0, 0 [pid 3309] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3305] <... futex resumed>) = 0 [pid 3306] <... clone3 resumed> => {parent_tid=[3313]}, 88) = 3313 [pid 3312] <... futex resumed>) = 1 [pid 3310] <... setpgid resumed>) = 0 [pid 3307] <... futex resumed>) = 0 [pid 3312] mount(NULL, "./config", "configfs", 0, NULL [pid 3310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3309] <... mkdirat resumed>) = 0 [pid 3307] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3306] rt_sigprocmask(SIG_SETMASK, [] [pid 3305] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3313 attached [pid 3312] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3311] mkdirat(AT_FDCWD, "./config", 0777 [pid 3310] <... openat resumed>) = 3 [pid 3309] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3307] <... futex resumed>) = 0 [pid 3306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3312] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3310] write(3, "1000", 4 [pid 3307] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3305] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3312] <... futex resumed>) = 0 [pid 3310] <... write resumed>) = 4 [pid 3307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3312] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3310] close(3 [pid 3307] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3312] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3311] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3310] <... close resumed>) = 0 [pid 3309] <... futex resumed>) = 0 [pid 3307] <... futex resumed>) = 0 [pid 3306] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3305] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3313] set_robust_list(0x7f85c0c359a0, 24 [pid 3312] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3311] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3310] write(1, "executing program\n", 18 [pid 3309] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3307] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3306] <... futex resumed>) = 0 [pid 3305] <... futex resumed>) = 0 [pid 3312] <... futex resumed>) = 0 [pid 3310] <... write resumed>) = 18 [pid 3309] <... symlinkat resumed>) = 0 [pid 3307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 3306] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3305] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3312] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3311] <... futex resumed>) = 1 [pid 3310] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3309] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3308] <... futex resumed>) = 0 [pid 3307] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3305] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3311] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3310] <... futex resumed>) = 0 [pid 3309] <... futex resumed>) = 0 [pid 3308] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3307] <... futex resumed>) = 0 [pid 3305] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3312] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3311] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3310] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3309] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3308] <... futex resumed>) = 0 [pid 3307] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3305] <... futex resumed>) = 0 [pid 3312] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3311] mount(NULL, "./config", "configfs", 0, NULL [pid 3310] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3309] <... unlinkat resumed>) = 0 [pid 3308] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3305] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3312] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3311] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3310] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3309] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3305] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3312] <... futex resumed>) = 1 [pid 3311] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3309] <... futex resumed>) = 0 [pid 3307] <... futex resumed>) = 0 [pid 3305] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3312] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3311] <... futex resumed>) = 1 [pid 3310] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3309] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3308] <... futex resumed>) = 0 [pid 3307] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3305] <... futex resumed>) = 0 [pid 3312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3311] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3310] <... mmap resumed>) = 0x7f85c0c15000 [pid 3309] <... unlinkat resumed>) = 0 [pid 3308] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3307] <... futex resumed>) = 0 [pid 3305] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3312] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3311] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3310] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3309] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3308] <... futex resumed>) = 0 [pid 3307] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3305] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3313] <... set_robust_list resumed>) = 0 [pid 3312] <... mkdirat resumed>) = 0 [pid 3311] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3310] <... mprotect resumed>) = 0 [pid 3309] <... futex resumed>) = 0 [pid 3308] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3305] exit_group(0 [pid 3313] rt_sigprocmask(SIG_SETMASK, [] [pid 3312] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3311] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3305] <... exit_group resumed>) = ? [pid 3312] <... futex resumed>) = 1 [pid 3311] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3307] <... futex resumed>) = 0 [pid 3312] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3311] <... futex resumed>) = 1 [pid 3310] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3308] <... futex resumed>) = 0 [pid 3307] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3309] +++ exited with 0 +++ [pid 3308] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3307] <... futex resumed>) = 0 [pid 3305] +++ exited with 0 +++ [pid 3312] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3311] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3310] <... clone3 resumed> => {parent_tid=[3314]}, 88) = 3314 [pid 3308] <... futex resumed>) = 0 [pid 3307] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3314 attached [pid 3313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3312] <... symlinkat resumed>) = 0 [pid 3310] rt_sigprocmask(SIG_SETMASK, [] [pid 3308] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3313] mkdirat(AT_FDCWD, "./config", 0777 [pid 3312] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3311] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3305, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3312] <... futex resumed>) = 1 [pid 3311] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3310] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3307] <... futex resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3313] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3312] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3311] <... futex resumed>) = 1 [pid 3310] <... futex resumed>) = 0 [pid 3308] <... futex resumed>) = 0 [pid 3307] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3313] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3311] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3310] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3308] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3307] <... futex resumed>) = 0 [pid 3313] <... futex resumed>) = 1 [pid 3312] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3311] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3308] <... futex resumed>) = 0 [pid 3307] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3306] <... futex resumed>) = 0 [pid 3314] set_robust_list(0x7f85c0c359a0, 24 [pid 3313] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3312] <... unlinkat resumed>) = 0 [pid 3311] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3308] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3306] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3314] <... set_robust_list resumed>) = 0 [pid 3313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3312] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3311] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3306] <... futex resumed>) = 0 [pid 3314] rt_sigprocmask(SIG_SETMASK, [] [pid 3313] mount(NULL, "./config", "configfs", 0, NULL [pid 3312] <... futex resumed>) = 1 [pid 3311] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3307] <... futex resumed>) = 0 [pid 3306] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3314] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3313] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3312] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3311] <... futex resumed>) = 1 [pid 3308] <... futex resumed>) = 0 [pid 3314] mkdirat(AT_FDCWD, "./config", 0777 [pid 3313] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3311] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3308] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3307] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3314] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3313] <... futex resumed>) = 1 [pid 3311] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3306] <... futex resumed>) = 0 [pid 3314] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3313] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3312] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3311] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3308] <... futex resumed>) = 0 [pid 3307] <... futex resumed>) = 0 [pid 3306] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3314] <... futex resumed>) = 1 [pid 3313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3312] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3311] <... symlinkat resumed>) = 0 [pid 3310] <... futex resumed>) = 0 [pid 3308] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3307] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3306] <... futex resumed>) = 0 [pid 3314] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3313] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3312] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3311] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3310] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3306] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3314] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3313] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3312] <... futex resumed>) = 0 [pid 3311] <... futex resumed>) = 0 [pid 3310] <... futex resumed>) = 0 [pid 3308] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3314] mount(NULL, "./config", "configfs", 0, NULL [pid 3313] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3312] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3311] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3310] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3308] <... futex resumed>) = 0 [pid 3307] exit_group(0 [pid 3314] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3313] <... futex resumed>) = 1 [pid 3311] <... unlinkat resumed>) = 0 [pid 3308] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3307] <... exit_group resumed>) = ? [pid 3312] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 3314] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3313] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3311] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3306] <... futex resumed>) = 0 [pid 3314] <... futex resumed>) = 1 [pid 3311] <... futex resumed>) = 0 [pid 3310] <... futex resumed>) = 0 [pid 3306] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3308] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3314] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3313] <... futex resumed>) = 0 [pid 3311] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3306] <... futex resumed>) = 1 [pid 3313] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3311] <... unlinkat resumed>) = 0 [pid 3306] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3313] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3312] +++ exited with 0 +++ [pid 3311] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3310] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3308] <... futex resumed>) = 0 [pid 3307] +++ exited with 0 +++ [pid 3314] <... futex resumed>) = 0 [pid 3313] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3311] <... futex resumed>) = 0 [pid 3310] <... futex resumed>) = 1 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3307, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3314] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3313] <... futex resumed>) = 1 [pid 3311] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3310] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3308] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3306] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3314] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3313] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3306] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3314] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3306] <... futex resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 3314] <... futex resumed>) = 1 [pid 3313] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3310] <... futex resumed>) = 0 [pid 3306] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3314] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3313] <... mkdirat resumed>) = 0 [pid 3310] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3308] exit_group(0 [pid 3314] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3313] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3311] <... futex resumed>) = ? [pid 3310] <... futex resumed>) = 0 [pid 3308] <... exit_group resumed>) = ? [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3314] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3313] <... futex resumed>) = 1 [pid 3311] +++ exited with 0 +++ [pid 3310] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3306] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3314] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3313] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3306] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3314] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3310] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3308] +++ exited with 0 +++ [pid 3306] <... futex resumed>) = 0 [pid 3314] <... futex resumed>) = 0 [pid 3313] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3310] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3306] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3315 ci2-android-5-15/strace-static-x86_64: Process 3315 attached [pid 3314] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3313] <... symlinkat resumed>) = 0 [pid 3310] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3308, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3314] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3313] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3310] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3314] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3313] <... futex resumed>) = 1 [pid 3310] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3306] <... futex resumed>) = 0 [pid 3314] <... futex resumed>) = 0 [pid 3313] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3310] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3306] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... restart_syscall resumed>) = 0 [pid 3314] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3310] <... futex resumed>) = 0 [pid 3306] <... futex resumed>) = 0 [pid 3314] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3313] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3310] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3306] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3314] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3313] <... unlinkat resumed>) = 0 [pid 3310] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3314] <... futex resumed>) = 0 [pid 3313] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3310] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3314] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3313] <... futex resumed>) = 1 [pid 3306] <... futex resumed>) = 0 [pid 3310] <... futex resumed>) = 0 [pid 3314] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3313] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3310] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3306] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3314] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3310] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3306] <... futex resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3314] <... futex resumed>) = 0 [pid 3313] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3310] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3306] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3314] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3313] <... unlinkat resumed>) = 0 [pid 3310] <... futex resumed>) = 0 [pid 3314] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3313] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3310] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3314] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3313] <... futex resumed>) = 1 [pid 3310] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3306] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3316 [pid 3314] <... futex resumed>) = 0 [pid 3313] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3310] exit_group(0 [pid 3306] exit_group(0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3315] set_robust_list(0x5555810c5760, 24 [pid 3313] <... futex resumed>) = ? [pid 3310] <... exit_group resumed>) = ? [pid 3306] <... exit_group resumed>) = ? [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3314] +++ exited with 0 +++ [pid 3313] +++ exited with 0 +++ [pid 3310] +++ exited with 0 +++ [pid 3306] +++ exited with 0 +++ [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3317 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3310, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3306, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 3316 attached [pid 3316] set_robust_list(0x5555810c5760, 24) = 0 [pid 3316] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 3317 attached [pid 3315] <... set_robust_list resumed>) = 0 [pid 3316] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3316] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3316] setpgid(0, 0) = 0 [pid 3316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3316] write(3, "1000", 4) = 4 [pid 3315] rt_sigprocmask(SIG_SETMASK, [] [pid 3316] close(3) = 0 [pid 3316] write(1, "executing program\n", 18) = 18 executing program [pid 3316] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3316] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3316] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3316] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3316] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3316] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3315] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3316] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3316] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[3318]}, 88) = 3318 [pid 3316] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3316] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3316] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3318 attached [pid 3318] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3318] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3318] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3318] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3316] <... futex resumed>) = 0 [pid 3316] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3316] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3318] <... futex resumed>) = 1 [pid 3318] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3318] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3316] <... futex resumed>) = 0 [pid 3316] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3315] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3316] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3318] <... futex resumed>) = 1 [pid 3318] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3318] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3316] <... futex resumed>) = 0 [pid 3316] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3316] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3318] <... futex resumed>) = 1 [pid 3318] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3318] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3316] <... futex resumed>) = 0 [pid 3316] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3316] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3318] <... futex resumed>) = 1 [pid 3318] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3315] <... prctl resumed>) = 0 [pid 3317] set_robust_list(0x5555810c5760, 24 [pid 3315] setpgid(0, 0 [pid 3318] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3315] <... setpgid resumed>) = 0 [pid 3316] <... futex resumed>) = 0 [pid 3315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3316] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3316] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3318] <... futex resumed>) = 1 [pid 3315] <... openat resumed>) = 3 [pid 3315] write(3, "1000", 4) = 4 [pid 3315] close(3) = 0 [pid 3315] write(1, "executing program\n", 18) = 18 [pid 3318] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3315] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... restart_syscall resumed>) = 0 executing program [pid 3315] <... futex resumed>) = 0 [pid 3315] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3315] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3315] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3315] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3318] <... symlinkat resumed>) = 0 [pid 3318] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3316] <... futex resumed>) = 0 [pid 3316] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3316] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3315] <... mmap resumed>) = 0x7f85c0c15000 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3319 [pid 3315] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3318] <... futex resumed>) = 1 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3315] <... mprotect resumed>) = 0 [pid 3317] <... set_robust_list resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3315] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3318] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3315] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3315] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3317] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3315] <... clone3 resumed> => {parent_tid=[3320]}, 88) = 3320 [pid 3315] rt_sigprocmask(SIG_SETMASK, [] [pid 3318] <... unlinkat resumed>) = 0 [pid 3315] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3317] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3315] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... restart_syscall resumed>) = 0 [pid 3317] <... prctl resumed>) = 0 [pid 3315] <... futex resumed>) = 0 [pid 3317] setpgid(0, 0 [pid 3315] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3317] <... setpgid resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 3320 attached [pid 3317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3321 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3318] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3316] <... futex resumed>) = 0 [pid 3316] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3316] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3318] <... futex resumed>) = 1 [pid 3318] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3318] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3316] <... futex resumed>) = 0 [pid 3316] exit_group(0) = ? [pid 3318] <... futex resumed>) = ? [pid 3317] <... openat resumed>) = 3 [pid 3317] write(3, "1000", 4) = 4 [pid 3317] close(3 [pid 3318] +++ exited with 0 +++ [pid 3317] <... close resumed>) = 0 [pid 3316] +++ exited with 0 +++ [pid 3320] set_robust_list(0x7f85c0c359a0, 24 [pid 3317] write(1, "executing program\n", 18 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3316, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3317] <... write resumed>) = 18 executing program [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 3319 attached [pid 3317] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3319] set_robust_list(0x5555810c5760, 24) = 0 [pid 3319] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3319] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3319] setpgid(0, 0) = 0 [pid 3319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3319] write(3, "1000", 4) = 4 [pid 3319] close(3) = 0 [pid 3319] write(1, "executing program\n", 18) = 18 executing program [pid 3319] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3319] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3319] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3319] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3319] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3319] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3320] <... set_robust_list resumed>) = 0 [pid 3317] <... futex resumed>) = 0 [pid 3320] rt_sigprocmask(SIG_SETMASK, [] [pid 3319] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3317] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3320] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3319] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3317] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3317] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3320] mkdirat(AT_FDCWD, "./config", 0777 [pid 3317] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3317] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3320] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3317] <... mmap resumed>) = 0x7f85c0c15000 [pid 3317] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3320] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3317] <... mprotect resumed>) = 0 [pid 3319] <... clone3 resumed> => {parent_tid=[3322]}, 88) = 3322 [pid 3317] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3315] <... futex resumed>) = 0 [pid 3320] <... futex resumed>) = 1 [pid 3319] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3319] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3317] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3315] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3320] mount(NULL, "./config", "configfs", 0, NULL [pid 3317] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3315] <... futex resumed>) = 0 [pid 3319] <... futex resumed>) = 0 [pid 3319] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3322 attached [pid 3322] set_robust_list(0x7f85c0c359a0, 24 [pid 3315] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3317] <... clone3 resumed> => {parent_tid=[3323]}, 88) = 3323 [pid 3320] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3317] rt_sigprocmask(SIG_SETMASK, [] [pid 3322] <... set_robust_list resumed>) = 0 [pid 3317] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3320] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3317] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3322] rt_sigprocmask(SIG_SETMASK, [] [pid 3317] <... futex resumed>) = 0 [pid 3320] <... futex resumed>) = 1 [pid 3315] <... futex resumed>) = 0 [pid 3320] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3317] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3320] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3315] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3322] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3320] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3315] <... futex resumed>) = 0 [pid 3315] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3320] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3322] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3322] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3319] <... futex resumed>) = 0 [pid 3319] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3319] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3322] <... futex resumed>) = 1 [pid 3322] mount(NULL, "./config", "configfs", 0, NULL [pid 3320] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3321 attached [pid 3322] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3322] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3319] <... futex resumed>) = 0 [pid 3319] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3319] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3322] <... futex resumed>) = 1 [pid 3322] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3322] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3319] <... futex resumed>) = 0 [pid 3319] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3319] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3322] <... futex resumed>) = 1 [pid 3322] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3321] set_robust_list(0x5555810c5760, 24 [pid 3320] <... futex resumed>) = 1 [pid 3315] <... futex resumed>) = 0 [pid 3322] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3322] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3320] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3315] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3320] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3315] <... futex resumed>) = 0 [pid 3320] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3319] <... futex resumed>) = 0 [pid 3321] <... set_robust_list resumed>) = 0 [pid 3315] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3320] <... futex resumed>) = 0 [pid 3319] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3319] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3315] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3320] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3315] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3320] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3321] rt_sigprocmask(SIG_SETMASK, [] [pid 3320] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3315] <... futex resumed>) = 0 [pid 3315] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3322] <... futex resumed>) = 1 [pid 3322] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 3321] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3320] <... mkdirat resumed>) = 0 [pid 3322] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3320] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3321] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3319] <... futex resumed>) = 0 [pid 3320] <... futex resumed>) = 1 [pid 3319] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3315] <... futex resumed>) = 0 [pid 3321] <... prctl resumed>) = 0 [pid 3320] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3319] <... futex resumed>) = 0 [pid 3315] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3321] setpgid(0, 0 [pid 3320] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3319] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3321] <... setpgid resumed>) = 0 [pid 3320] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3315] <... futex resumed>) = 0 [pid 3322] <... futex resumed>) = 1 [pid 3315] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3322] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3320] <... symlinkat resumed>) = 0 [pid 3321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3320] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3315] <... futex resumed>) = 0 [pid 3315] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3320] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3315] <... futex resumed>) = 0 [pid 3321] <... openat resumed>) = 3 [pid 3315] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3321] write(3, "1000", 4 [pid 3320] <... unlinkat resumed>) = 0 [pid 3320] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3321] <... write resumed>) = 4 executing program [pid 3320] <... futex resumed>) = 1 [pid 3315] <... futex resumed>) = 0 [pid 3321] close(3 [pid 3320] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3315] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3320] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3315] <... futex resumed>) = 0 [pid 3321] <... close resumed>) = 0 [pid 3320] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3315] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3321] write(1, "executing program\n", 18 [pid 3322] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3320] <... unlinkat resumed>) = 0 [pid 3321] <... write resumed>) = 18 [pid 3320] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... restart_syscall resumed>) = 0 [pid 3321] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3320] <... futex resumed>) = 1 [pid 3315] <... futex resumed>) = 0 [pid 3321] <... futex resumed>) = 0 [pid 3320] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3315] exit_group(0 [pid 3321] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3320] <... futex resumed>) = ? [pid 3315] <... exit_group resumed>) = ? [pid 3322] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3319] <... futex resumed>) = 0 [pid 3319] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3319] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3322] <... futex resumed>) = 1 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3322] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3322] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3322] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3319] <... futex resumed>) = 0 [pid 3319] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3319] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3322] <... futex resumed>) = 1 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3324 [pid 3322] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3322] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3322] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3319] <... futex resumed>) = 0 [pid 3321] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3320] +++ exited with 0 +++ [pid 3319] exit_group(0 [pid 3315] +++ exited with 0 +++ [pid 3319] <... exit_group resumed>) = ? [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3315, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3321] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3322] <... futex resumed>) = ? [pid 3322] +++ exited with 0 +++ [pid 3321] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3319] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 3323 attached [pid 3321] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3319, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3323] set_robust_list(0x7f85c0c359a0, 24 [pid 3321] <... mmap resumed>) = 0x7f85c0c15000 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3323] <... set_robust_list resumed>) = 0 [pid 3321] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3323] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3323] mkdirat(AT_FDCWD, "./config", 0777 [pid 3321] <... mprotect resumed>) = 0 [pid 3323] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3323] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3321] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3323] <... futex resumed>) = 1 [pid 3317] <... futex resumed>) = 0 [pid 3321] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3317] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3323] mount(NULL, "./config", "configfs", 0, NULL [pid 3321] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3317] <... futex resumed>) = 0 [pid 3323] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3317] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3323] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3321] <... clone3 resumed> => {parent_tid=[3325]}, 88) = 3325 [pid 3323] <... futex resumed>) = 1 [pid 3317] <... futex resumed>) = 0 [pid 3321] rt_sigprocmask(SIG_SETMASK, [] [pid 3317] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3323] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3321] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3317] <... futex resumed>) = 0 [pid 3321] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3317] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3321] <... futex resumed>) = 0 [pid 3323] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3321] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3323] <... futex resumed>) = 1 [pid 3323] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 3324 attached [pid 3317] <... futex resumed>) = 0 [pid 3324] set_robust_list(0x5555810c5760, 24 [pid 3317] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3324] <... set_robust_list resumed>) = 0 [pid 3317] <... futex resumed>) = 1 [pid 3323] <... futex resumed>) = 0 [pid 3317] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3323] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3323] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3323] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3324] rt_sigprocmask(SIG_SETMASK, [] [pid 3317] <... futex resumed>) = 0 [pid 3324] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3317] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3324] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3323] <... futex resumed>) = 0 [pid 3317] <... futex resumed>) = 1 [pid 311] <... restart_syscall resumed>) = 0 [pid 3317] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3323] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3323] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3323] <... futex resumed>) = 1 [pid 3317] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3317] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3317] <... futex resumed>) = 0 [pid 3323] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3323] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3317] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3324] <... prctl resumed>) = 0 [pid 3323] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3317] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3326 [pid 3317] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3324] setpgid(0, 0 [pid 3323] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3317] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3317] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3324] <... setpgid resumed>) = 0 [pid 3323] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0ci2-android-5-15/strace-static-x86_64: Process 3326 attached [pid 3324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3323] <... unlinkat resumed>) = 0 [pid 3324] <... openat resumed>) = 3 [pid 3326] set_robust_list(0x5555810c5760, 24 [pid 3323] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3324] write(3, "1000", 4 [pid 3323] <... futex resumed>) = 1 [pid 3317] <... futex resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 3317] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3324] <... write resumed>) = 4 [pid 3323] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3317] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3324] close(3 [pid 3323] <... unlinkat resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3324] <... close resumed>) = 0 [pid 3323] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3324] write(1, "executing program\n", 18 [pid 3323] <... futex resumed>) = 1 [pid 3324] <... write resumed>) = 18 [pid 3323] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3324] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3324] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3317] <... futex resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3327 [pid 3317] exit_group(0 executing program [pid 3324] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3323] <... futex resumed>) = ? [pid 3317] <... exit_group resumed>) = ? [pid 3324] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3323] +++ exited with 0 +++ [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3324] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3324] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3324] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3317] +++ exited with 0 +++ [pid 3324] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3324] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3317, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 3328 attached [pid 3326] <... set_robust_list resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3324] <... clone3 resumed> => {parent_tid=[3328]}, 88) = 3328 [pid 3324] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3324] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... restart_syscall resumed>) = 0 [pid 3324] <... futex resumed>) = 0 [pid 3324] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3326] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3328] set_robust_list(0x7f85c0c359a0, 24 [pid 3326] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3329 attached [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3329 ci2-android-5-15/strace-static-x86_64: Process 3325 attached [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3326] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3325] set_robust_list(0x7f85c0c359a0, 24 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3325] <... set_robust_list resumed>) = 0 [pid 3325] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3325] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3325] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3321] <... futex resumed>) = 0 [pid 3325] mount(NULL, "./config", "configfs", 0, NULL [pid 3321] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3326] <... prctl resumed>) = 0 [pid 3325] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3321] <... futex resumed>) = 0 [pid 3325] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3321] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3325] <... futex resumed>) = 0 [pid 3321] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3325] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3321] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3325] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3321] <... futex resumed>) = 0 [pid 3325] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3321] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3327 attached [pid 3325] <... futex resumed>) = 0 [pid 3321] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3327] set_robust_list(0x5555810c5760, 24 [pid 3325] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3321] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3327] <... set_robust_list resumed>) = 0 [pid 3325] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3321] <... futex resumed>) = 0 [pid 3327] rt_sigprocmask(SIG_SETMASK, [] [pid 3326] setpgid(0, 0 [pid 3328] <... set_robust_list resumed>) = 0 [pid 3325] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3321] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3329] set_robust_list(0x5555810c5760, 24 [pid 3325] <... futex resumed>) = 0 [pid 3321] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3325] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3321] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3325] <... mkdirat resumed>) = 0 [pid 3326] <... setpgid resumed>) = 0 [pid 3321] <... futex resumed>) = 0 [pid 3329] <... set_robust_list resumed>) = 0 [pid 3328] rt_sigprocmask(SIG_SETMASK, [] [pid 3327] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3325] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3321] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3325] <... futex resumed>) = 0 [pid 3321] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3325] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3321] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3329] rt_sigprocmask(SIG_SETMASK, [] [pid 3328] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3327] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3325] <... symlinkat resumed>) = 0 [pid 3321] <... futex resumed>) = 0 [pid 3325] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3321] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3325] <... futex resumed>) = 0 [pid 3321] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3325] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3321] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3325] <... unlinkat resumed>) = 0 [pid 3321] <... futex resumed>) = 0 [pid 3325] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3321] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3325] <... futex resumed>) = 0 [pid 3321] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3325] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3321] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3325] <... unlinkat resumed>) = 0 [pid 3321] <... futex resumed>) = 0 [pid 3325] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3321] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3325] <... futex resumed>) = 0 [pid 3321] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3326] <... openat resumed>) = 3 [pid 3325] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3321] exit_group(0 [pid 3325] <... futex resumed>) = ? [pid 3321] <... exit_group resumed>) = ? [pid 3329] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3328] mkdirat(AT_FDCWD, "./config", 0777 [pid 3327] <... prctl resumed>) = 0 [pid 3326] write(3, "1000", 4 [pid 3325] +++ exited with 0 +++ [pid 3321] +++ exited with 0 +++ [pid 3328] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3327] setpgid(0, 0 [pid 3326] <... write resumed>) = 4 [pid 3329] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3326] close(3 [pid 3328] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3321, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3328] <... futex resumed>) = 1 [pid 3326] <... close resumed>) = 0 [pid 3324] <... futex resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3328] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3326] write(1, "executing program\n", 18 [pid 3324] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3328] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3326] <... write resumed>) = 18 [pid 3324] <... futex resumed>) = 0 [pid 3324] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3328] mount(NULL, "./config", "configfs", 0, NULL [pid 3326] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3326] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3328] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3326] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3328] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3326] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3326] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3328] <... futex resumed>) = 1 [pid 3324] <... futex resumed>) = 0 [pid 3326] <... mmap resumed>) = 0x7f85c0c15000 [pid 3324] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3328] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3326] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3324] <... futex resumed>) = 0 [pid 3326] <... mprotect resumed>) = 0 [pid 3324] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3328] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3326] rt_sigprocmask(SIG_BLOCK, ~[] executing program [pid 3328] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3326] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3326] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3328] <... futex resumed>) = 1 [pid 3324] <... futex resumed>) = 0 [pid 3324] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3328] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3324] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3328] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3326] <... clone3 resumed> => {parent_tid=[3330]}, 88) = 3330 ci2-android-5-15/strace-static-x86_64: Process 3330 attached [pid 3330] set_robust_list(0x7f85c0c359a0, 24 [pid 3328] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3326] rt_sigprocmask(SIG_SETMASK, [] [pid 3330] <... set_robust_list resumed>) = 0 [pid 3326] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3328] <... futex resumed>) = 1 [pid 3324] <... futex resumed>) = 0 [pid 3328] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3326] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3324] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... restart_syscall resumed>) = 0 [pid 3324] <... futex resumed>) = 0 [pid 3326] <... futex resumed>) = 0 [pid 3324] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3328] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3326] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3328] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3330] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3330] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3330] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3330] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3326] <... futex resumed>) = 0 [pid 3326] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3326] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3328] <... mkdirat resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3331 [pid 3330] <... futex resumed>) = 1 [pid 3328] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3330] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3328] <... futex resumed>) = 1 [pid 3324] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3324] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3328] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3324] <... futex resumed>) = 0 [pid 3324] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3330] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3326] <... futex resumed>) = 0 [pid 3326] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3328] <... symlinkat resumed>) = 0 [pid 3326] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3330] <... futex resumed>) = 1 [pid 3328] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3330] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3328] <... futex resumed>) = 1 [pid 3327] <... setpgid resumed>) = 0 [pid 3324] <... futex resumed>) = 0 [pid 3324] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3330] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3324] <... futex resumed>) = 0 [pid 3330] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3324] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3330] <... futex resumed>) = 1 [pid 3326] <... futex resumed>) = 0 [pid 3330] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3326] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3330] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3326] <... futex resumed>) = 0 [pid 3330] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3326] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3330] <... futex resumed>) = 0 [pid 3326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3330] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3326] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3330] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3326] <... futex resumed>) = 0 [pid 3330] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3326] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3330] <... futex resumed>) = 0 [pid 3326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3330] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3326] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3330] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3326] <... futex resumed>) = 0 [pid 3330] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3326] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3330] <... futex resumed>) = 0 [pid 3326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3330] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3326] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3330] <... unlinkat resumed>) = 0 [pid 3329] <... prctl resumed>) = 0 [pid 3328] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3326] <... futex resumed>) = 0 [pid 3330] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3328] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3326] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3330] <... futex resumed>) = 0 [pid 3329] setpgid(0, 0 [pid 3328] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3327] <... openat resumed>) = 3 [pid 3326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3330] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3329] <... setpgid resumed>) = 0 [pid 3328] <... futex resumed>) = 1 [pid 3326] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3327] write(3, "1000", 4 [pid 3324] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3331 attached [pid 3330] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3328] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3327] <... write resumed>) = 4 [pid 3326] <... futex resumed>) = 0 [pid 3324] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3331] set_robust_list(0x5555810c5760, 24 [pid 3330] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3326] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3328] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3324] <... futex resumed>) = 0 [pid 3327] close(3 [pid 3331] <... set_robust_list resumed>) = 0 [pid 3330] <... unlinkat resumed>) = 0 [pid 3329] <... openat resumed>) = 3 [pid 3328] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3324] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3331] rt_sigprocmask(SIG_SETMASK, [] [pid 3330] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3329] write(3, "1000", 4 [pid 3328] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3327] <... close resumed>) = 0 [pid 3331] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3330] <... futex resumed>) = 1 [pid 3326] <... futex resumed>) = 0 [pid 3331] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3330] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3329] <... write resumed>) = 4 [pid 3328] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3327] write(1, "executing program\n", 18 [pid 3326] exit_group(0 executing program [pid 3331] <... prctl resumed>) = 0 [pid 3330] <... futex resumed>) = ? [pid 3329] close(3 [pid 3328] <... futex resumed>) = 1 [pid 3327] <... write resumed>) = 18 [pid 3326] <... exit_group resumed>) = ? [pid 3324] <... futex resumed>) = 0 [pid 3331] setpgid(0, 0 [pid 3330] +++ exited with 0 +++ [pid 3329] <... close resumed>) = 0 [pid 3328] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3327] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3326] +++ exited with 0 +++ [pid 3324] exit_group(0 [pid 3329] write(1, "executing program\n", 18 [pid 3327] <... futex resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3326, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 3324] <... exit_group resumed>) = ? [pid 3331] <... setpgid resumed>) = 0 [pid 3329] <... write resumed>) = 18 [pid 3328] <... futex resumed>) = ? [pid 3327] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3329] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3327] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3329] <... futex resumed>) = 0 [pid 3327] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3329] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3327] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3329] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3327] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3329] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3328] +++ exited with 0 +++ [pid 3327] <... mmap resumed>) = 0x7f85c0c15000 [pid 3324] +++ exited with 0 +++ [pid 3329] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3327] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3324, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3329] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3327] <... mprotect resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3329] <... mmap resumed>) = 0x7f85c0c15000 [pid 3327] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3329] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3327] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3331] <... openat resumed>) = 3 [pid 3329] <... mprotect resumed>) = 0 [pid 3327] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 311] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 3332 attached [pid 3331] write(3, "1000", 4 [pid 3329] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3331] <... write resumed>) = 4 [pid 3329] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3327] <... clone3 resumed> => {parent_tid=[3332]}, 88) = 3332 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3332] set_robust_list(0x7f85c0c359a0, 24 [pid 3331] close(3 [pid 3329] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3327] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 3333 attached [pid 3332] <... set_robust_list resumed>) = 0 [pid 3331] <... close resumed>) = 0 [pid 3327] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3333 [pid 3329] <... clone3 resumed> => {parent_tid=[3334]}, 88) = 3334 [pid 3327] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3333] set_robust_list(0x5555810c5760, 24 [pid 3332] rt_sigprocmask(SIG_SETMASK, [] [pid 3331] write(1, "executing program\n", 18 [pid 3329] rt_sigprocmask(SIG_SETMASK, [] [pid 3327] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3329] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 3327] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3331] <... write resumed>) = 18 [pid 3329] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3332] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3333] <... set_robust_list resumed>) = 0 [pid 3329] <... futex resumed>) = 0 [pid 3329] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3334 attached [pid 3331] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3334] set_robust_list(0x7f85c0c359a0, 24 [pid 3331] <... futex resumed>) = 0 [pid 3334] <... set_robust_list resumed>) = 0 [pid 3334] rt_sigprocmask(SIG_SETMASK, [] [pid 3331] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3332] mkdirat(AT_FDCWD, "./config", 0777 [pid 3331] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3334] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3334] mkdirat(AT_FDCWD, "./config", 0777 [pid 3331] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3332] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3331] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3331] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3332] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3331] <... mmap resumed>) = 0x7f85c0c15000 [pid 3331] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3332] <... futex resumed>) = 1 [pid 3327] <... futex resumed>) = 0 [pid 3331] <... mprotect resumed>) = 0 [pid 3327] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3327] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3331] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3332] mount(NULL, "./config", "configfs", 0, NULL [pid 3331] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3331] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3332] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3334] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3332] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3334] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3331] <... clone3 resumed> => {parent_tid=[3335]}, 88) = 3335 [pid 3332] <... futex resumed>) = 1 [pid 3331] rt_sigprocmask(SIG_SETMASK, [] [pid 3327] <... futex resumed>) = 0 [pid 3332] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3331] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3327] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3332] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3331] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3327] <... futex resumed>) = 0 [pid 3332] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3331] <... futex resumed>) = 0 [pid 3327] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3332] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3331] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... restart_syscall resumed>) = 0 [pid 3332] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3335 attached [pid 3333] rt_sigprocmask(SIG_SETMASK, [] [pid 3332] <... futex resumed>) = 1 [pid 3327] <... futex resumed>) = 0 [pid 3327] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3332] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3327] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3327] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3335] set_robust_list(0x7f85c0c359a0, 24 [pid 3333] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3332] <... mkdirat resumed>) = -1 EEXIST (File exists) ci2-android-5-15/strace-static-x86_64: Process 3336 attached [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3336 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3332] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3329] <... futex resumed>) = 0 [pid 3333] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3332] <... futex resumed>) = 1 [pid 3329] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3327] <... futex resumed>) = 0 [pid 3329] <... futex resumed>) = 0 [pid 3327] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3329] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3327] <... futex resumed>) = 0 [pid 3327] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3334] <... futex resumed>) = 1 [pid 3334] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3333] <... prctl resumed>) = 0 [pid 3332] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3335] <... set_robust_list resumed>) = 0 [pid 3334] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3329] <... futex resumed>) = 0 [pid 3329] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3329] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3334] <... futex resumed>) = 1 [pid 3334] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3334] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3329] <... futex resumed>) = 0 [pid 3334] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3332] <... mkdirat resumed>) = 0 [pid 3329] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3334] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3333] setpgid(0, 0 [pid 3329] <... futex resumed>) = 0 [pid 3334] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3329] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3334] <... futex resumed>) = 0 [pid 3329] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3334] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3329] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3334] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3329] <... futex resumed>) = 0 [pid 3334] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3329] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3334] <... futex resumed>) = 0 [pid 3329] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3334] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3329] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3334] <... symlinkat resumed>) = 0 [pid 3333] <... setpgid resumed>) = 0 [pid 3332] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3329] <... futex resumed>) = 0 [pid 3335] rt_sigprocmask(SIG_SETMASK, [] [pid 3336] set_robust_list(0x5555810c5760, 24 [pid 3334] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3332] <... futex resumed>) = 1 [pid 3329] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3327] <... futex resumed>) = 0 [pid 3334] <... futex resumed>) = 0 [pid 3333] <... openat resumed>) = 3 [pid 3329] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3332] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3327] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3335] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3334] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3333] write(3, "1000", 4 [pid 3332] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3329] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3327] <... futex resumed>) = 0 [pid 3336] <... set_robust_list resumed>) = 0 [pid 3335] mkdirat(AT_FDCWD, "./config", 0777 [pid 3334] <... unlinkat resumed>) = 0 [pid 3333] <... write resumed>) = 4 [pid 3332] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3329] <... futex resumed>) = 0 [pid 3327] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3335] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3334] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3333] close(3 [pid 3332] <... futex resumed>) = 0 [pid 3329] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3327] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3335] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3334] <... futex resumed>) = 0 [pid 3333] <... close resumed>) = 0 [pid 3332] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3329] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3327] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3335] <... futex resumed>) = 1 [pid 3334] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3333] write(1, "executing program\n", 18 [pid 3332] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3331] <... futex resumed>) = 0 executing program [pid 3329] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3327] <... futex resumed>) = 0 [pid 3336] rt_sigprocmask(SIG_SETMASK, [] [pid 3335] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3334] <... unlinkat resumed>) = 0 [pid 3333] <... write resumed>) = 18 [pid 3332] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3331] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3329] <... futex resumed>) = 0 [pid 3327] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3335] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3334] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3333] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3332] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3331] <... futex resumed>) = 0 [pid 3329] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3335] mount(NULL, "./config", "configfs", 0, NULL [pid 3334] <... futex resumed>) = 0 [pid 3333] <... futex resumed>) = 0 [pid 3332] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3331] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3329] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3336] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3335] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3334] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3333] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3332] <... futex resumed>) = 1 [pid 3329] exit_group(0 [pid 3327] <... futex resumed>) = 0 [pid 3335] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3334] <... futex resumed>) = ? [pid 3333] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3332] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3329] <... exit_group resumed>) = ? [pid 3327] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3336] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3335] <... futex resumed>) = 1 [pid 3334] +++ exited with 0 +++ [pid 3333] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3332] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3331] <... futex resumed>) = 0 [pid 3329] +++ exited with 0 +++ [pid 3327] <... futex resumed>) = 0 [pid 3336] <... prctl resumed>) = 0 [pid 3335] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3333] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3332] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3331] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3327] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3329, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3335] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3333] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3332] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3331] <... futex resumed>) = 0 [pid 3335] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3333] <... mmap resumed>) = 0x7f85c0c15000 [pid 3332] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3331] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3333] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3332] <... futex resumed>) = 1 [pid 3327] <... futex resumed>) = 0 [pid 3335] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3333] <... mprotect resumed>) = 0 [pid 3332] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3327] exit_group(0 [pid 3335] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3333] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3332] <... futex resumed>) = -1 ENOSYS (Function not implemented) [pid 3327] <... exit_group resumed>) = ? [pid 3335] <... futex resumed>) = 1 [pid 3333] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3332] +++ exited with 0 +++ [pid 3331] <... futex resumed>) = 0 [pid 3327] +++ exited with 0 +++ [pid 3331] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3327, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3331] <... futex resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3336] setpgid(0, 0 [pid 3335] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3333] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3331] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3336] <... setpgid resumed>) = 0 [pid 3335] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3335] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3333] <... clone3 resumed> => {parent_tid=[3337]}, 88) = 3337 [pid 3336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3335] <... futex resumed>) = 1 [pid 3333] rt_sigprocmask(SIG_SETMASK, [] [pid 3331] <... futex resumed>) = 0 [pid 3335] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3333] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3331] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3336] <... openat resumed>) = 3 [pid 3335] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3333] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3331] <... futex resumed>) = 0 [pid 3336] write(3, "1000", 4 [pid 3335] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3333] <... futex resumed>) = 0 [pid 3331] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3337 attached [pid 3333] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3337] set_robust_list(0x7f85c0c359a0, 24 [pid 3335] <... mkdirat resumed>) = 0 [pid 3336] <... write resumed>) = 4 [pid 3335] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3337] <... set_robust_list resumed>) = 0 [pid 3335] <... futex resumed>) = 1 [pid 3331] <... futex resumed>) = 0 [pid 3336] close(3 [pid 3335] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3331] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3335] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3331] <... futex resumed>) = 0 [pid 3336] <... close resumed>) = 0 [pid 3335] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3331] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3336] write(1, "executing program\n", 18 [pid 3335] <... symlinkat resumed>) = 0 [pid 3337] rt_sigprocmask(SIG_SETMASK, [] [pid 3335] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3336] <... write resumed>) = 18 [pid 3335] <... futex resumed>) = 1 [pid 3331] <... futex resumed>) = 0 [pid 3336] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3335] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL executing program [pid 3331] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3336] <... futex resumed>) = 0 [pid 3335] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3331] <... futex resumed>) = 0 [pid 3336] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3335] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3331] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3337] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3336] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3335] <... unlinkat resumed>) = 0 [pid 3335] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3336] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3335] <... futex resumed>) = 1 [pid 3331] <... futex resumed>) = 0 [pid 3331] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3335] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3336] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3331] <... futex resumed>) = 0 [pid 3335] <... unlinkat resumed>) = 0 [pid 3336] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3331] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3335] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3331] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3335] <... futex resumed>) = 0 [pid 3336] <... mmap resumed>) = 0x7f85c0c15000 [pid 3331] exit_group(0 [pid 3335] ???() = -1 ENOSYS (Function not implemented) [pid 3331] <... exit_group resumed>) = ? [pid 3336] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3337] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3337] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3333] <... futex resumed>) = 0 [pid 3333] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3333] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3337] <... futex resumed>) = 1 [pid 3337] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3335] +++ exited with 0 +++ [pid 3331] +++ exited with 0 +++ [pid 3336] <... mprotect resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3331, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3337] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3336] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3333] <... futex resumed>) = 0 [pid 3333] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3333] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3337] <... futex resumed>) = 1 [pid 3337] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3337] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3336] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3337] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3333] <... futex resumed>) = 0 [pid 3336] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3333] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3337] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3333] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3338 attached [pid 3337] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3333] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3337] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3336] <... clone3 resumed> => {parent_tid=[3338]}, 88) = 3338 [pid 3337] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3336] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3337] <... futex resumed>) = 1 [pid 3336] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3333] <... futex resumed>) = 0 [pid 3337] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3336] <... futex resumed>) = 0 [pid 3333] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3336] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3333] <... futex resumed>) = 0 [pid 3337] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3333] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3337] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3338] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3338] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3338] mkdirat(AT_FDCWD, "./config", 0777 [pid 3337] <... mkdirat resumed>) = 0 [pid 3338] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3338] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3336] <... futex resumed>) = 0 [pid 3337] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3336] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3338] mount(NULL, "./config", "configfs", 0, NULL [pid 3337] <... futex resumed>) = 1 [pid 3336] <... futex resumed>) = 0 [pid 3333] <... futex resumed>) = 0 [pid 3337] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3336] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3333] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3337] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3333] <... futex resumed>) = 0 [pid 3333] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3337] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3338] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3337] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3338] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3336] <... futex resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 3333] <... futex resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 3337] <... futex resumed>) = 1 [pid 3336] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3333] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3337] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3336] <... futex resumed>) = 0 [pid 3333] <... futex resumed>) = 0 [pid 3336] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3333] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3337] <... unlinkat resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3337] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3338] <... futex resumed>) = 1 [pid 3337] <... futex resumed>) = 1 [pid 3333] <... futex resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 3339 attached ci2-android-5-15/strace-static-x86_64: Process 3340 attached [pid 3337] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3333] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3339 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3340 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3337] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3333] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3340] set_robust_list(0x5555810c5760, 24 [pid 3339] set_robust_list(0x5555810c5760, 24 [pid 3337] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3333] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3338] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3337] <... unlinkat resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3338] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3336] <... futex resumed>) = 0 [pid 3336] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3336] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3338] <... futex resumed>) = 1 [pid 3338] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3338] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3336] <... futex resumed>) = 0 [pid 3336] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3336] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3337] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3338] <... futex resumed>) = 1 [pid 3338] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3340] <... set_robust_list resumed>) = 0 [pid 3339] <... set_robust_list resumed>) = 0 [pid 3338] <... mkdirat resumed>) = 0 [pid 3337] <... futex resumed>) = 1 [pid 3333] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3341 [pid 3338] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3336] <... futex resumed>) = 0 [pid 3336] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3336] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3338] <... futex resumed>) = 1 [pid 3338] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3333] exit_group(0 [pid 3337] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3338] <... symlinkat resumed>) = 0 [pid 3337] <... futex resumed>) = ? [pid 3333] <... exit_group resumed>) = ? [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3337] +++ exited with 0 +++ [pid 3338] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3336] <... futex resumed>) = 0 [pid 3338] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3336] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3338] <... unlinkat resumed>) = 0 [pid 3336] <... futex resumed>) = 0 [pid 3338] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3336] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3338] <... futex resumed>) = 0 [pid 3336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3333] +++ exited with 0 +++ [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3338] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3336] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3338] <... unlinkat resumed>) = 0 [pid 3336] <... futex resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3333, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3339] rt_sigprocmask(SIG_SETMASK, [] [pid 3338] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3336] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3338] <... futex resumed>) = 0 [pid 3336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3339] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3338] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3336] exit_group(0 [pid 3338] <... futex resumed>) = ? [pid 3336] <... exit_group resumed>) = ? [pid 3340] rt_sigprocmask(SIG_SETMASK, [] [pid 3339] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3338] +++ exited with 0 +++ [pid 3336] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 3341 attached [pid 3339] <... prctl resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3336, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3341] set_robust_list(0x5555810c5760, 24 [pid 3339] setpgid(0, 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3339] <... setpgid resumed>) = 0 [pid 3341] <... set_robust_list resumed>) = 0 [pid 3341] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3341] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3340] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3341] <... prctl resumed>) = 0 [pid 3340] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3339] <... openat resumed>) = 3 [pid 311] <... restart_syscall resumed>) = 0 [pid 3339] write(3, "1000", 4) = 4 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3339] close(3 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3339] <... close resumed>) = 0 [pid 3339] write(1, "executing program\n", 18 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3342 ci2-android-5-15/strace-static-x86_64: Process 3342 attached [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3339] <... write resumed>) = 18 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 3342] set_robust_list(0x5555810c5760, 24 [pid 3339] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3342] <... set_robust_list resumed>) = 0 [pid 3342] rt_sigprocmask(SIG_SETMASK, [] [pid 3341] setpgid(0, 0 [pid 3340] <... prctl resumed>) = 0 [pid 3339] <... futex resumed>) = 0 [pid 3341] <... setpgid resumed>) = 0 [pid 3342] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3340] setpgid(0, 0 [pid 3339] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3339] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3339] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3340] <... setpgid resumed>) = 0 [pid 3339] <... mmap resumed>) = 0x7f85c0c15000 [pid 3341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3339] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3339] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3339] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[3343]}, 88) = 3343 ci2-android-5-15/strace-static-x86_64: Process 3343 attached [pid 3339] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... restart_syscall resumed>) = 0 [pid 3339] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3339] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3343] set_robust_list(0x7f85c0c359a0, 24 [pid 3339] <... futex resumed>) = 0 [pid 3343] <... set_robust_list resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3339] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3342] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3343] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3343] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3343] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3339] <... futex resumed>) = 0 [pid 3339] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3339] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3344 [pid 3341] <... openat resumed>) = 3 [pid 3343] <... futex resumed>) = 1 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3343] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3342] <... prctl resumed>) = 0 [pid 3341] write(3, "1000", 4 [pid 3340] <... openat resumed>) = 3 [pid 3343] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3342] setpgid(0, 0 [pid 3341] <... write resumed>) = 4 [pid 3340] write(3, "1000", 4 [pid 3342] <... setpgid resumed>) = 0 [pid 3341] close(3 [pid 3340] <... write resumed>) = 4 [pid 3343] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3339] <... futex resumed>) = 0 [pid 3339] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3339] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3343] <... futex resumed>) = 1 [pid 3343] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3343] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3339] <... futex resumed>) = 0 [pid 3339] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3339] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3343] <... futex resumed>) = 1 [pid 3343] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3341] <... close resumed>) = 0 [pid 3343] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3340] close(3ci2-android-5-15/strace-static-x86_64: Process 3344 attached [pid 3344] set_robust_list(0x5555810c5760, 24) = 0 [pid 3341] write(1, "executing program\n", 18 [pid 3340] <... close resumed>) = 0 [pid 3344] rt_sigprocmask(SIG_SETMASK, [] [pid 3341] <... write resumed>) = 18 executing program [pid 3340] write(1, "executing program\n", 18 [pid 3343] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3342] <... openat resumed>) = 3 [pid 3343] <... futex resumed>) = 1 [pid 3342] write(3, "1000", 4 [pid 3341] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3340] <... write resumed>) = 18 executing program [pid 3339] <... futex resumed>) = 0 [pid 3343] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3342] <... write resumed>) = 4 [pid 3341] <... futex resumed>) = 0 [pid 3340] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3339] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3339] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3344] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3341] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3340] <... futex resumed>) = 0 [pid 3343] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3342] close(3 [pid 3341] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3344] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3341] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3343] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3342] <... close resumed>) = 0 [pid 3341] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3340] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3343] <... mkdirat resumed>) = 0 [pid 3342] write(1, "executing program\n", 18 [pid 3341] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3340] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3342] <... write resumed>) = 18 [pid 3341] <... mmap resumed>) = 0x7f85c0c15000 [pid 3340] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] executing program [pid 3343] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3342] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3341] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3340] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3343] <... futex resumed>) = 1 [pid 3342] <... futex resumed>) = 0 [pid 3341] <... mprotect resumed>) = 0 [pid 3340] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3339] <... futex resumed>) = 0 [pid 3343] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3342] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3341] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3339] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3343] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3342] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3341] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3340] <... mmap resumed>) = 0x7f85c0c15000 [pid 3339] <... futex resumed>) = 0 [pid 3343] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3342] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3341] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3340] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3339] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3343] <... symlinkat resumed>) = 0 [pid 3344] <... prctl resumed>) = 0 [pid 3344] setpgid(0, 0 [pid 3342] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3341] <... clone3 resumed> => {parent_tid=[3345]}, 88) = 3345 [pid 3340] <... mprotect resumed>) = 0 [pid 3343] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3342] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3341] rt_sigprocmask(SIG_SETMASK, [] [pid 3343] <... futex resumed>) = 1 [pid 3340] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3339] <... futex resumed>) = 0 [pid 3343] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3342] <... mmap resumed>) = 0x7f85c0c15000 [pid 3341] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3340] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3339] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3343] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3342] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3341] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3340] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3339] <... futex resumed>) = 0 [pid 3343] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3342] <... mprotect resumed>) = 0 [pid 3341] <... futex resumed>) = 0 [pid 3339] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3343] <... unlinkat resumed>) = 0 [pid 3344] <... setpgid resumed>) = 0 [pid 3342] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3341] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3343] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3342] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3340] <... clone3 resumed> => {parent_tid=[3346]}, 88) = 3346 [pid 3344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3343] <... futex resumed>) = 1 [pid 3342] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3340] rt_sigprocmask(SIG_SETMASK, [] [pid 3339] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3346 attached [pid 3344] <... openat resumed>) = 3 [pid 3343] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3340] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3339] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3344] write(3, "1000", 4 [pid 3343] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3342] <... clone3 resumed> => {parent_tid=[3347]}, 88) = 3347 [pid 3340] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3339] <... futex resumed>) = 0 [pid 3344] <... write resumed>) = 4 [pid 3343] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3342] rt_sigprocmask(SIG_SETMASK, [] [pid 3340] <... futex resumed>) = 0 [pid 3339] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3344] close(3 [pid 3343] <... unlinkat resumed>) = 0 [pid 3342] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3340] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3343] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3342] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3344] <... close resumed>) = 0 [pid 3343] <... futex resumed>) = 1 [pid 3342] <... futex resumed>) = 0 [pid 3339] <... futex resumed>) = 0 [pid 3344] write(1, "executing program\n", 18 [pid 3343] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3342] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} executing program [pid 3339] exit_group(0 [pid 3344] <... write resumed>) = 18 [pid 3343] <... futex resumed>) = ? [pid 3339] <... exit_group resumed>) = ? [pid 3346] set_robust_list(0x7f85c0c359a0, 24 [pid 3344] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3343] +++ exited with 0 +++ [pid 3339] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 3345 attached [pid 3344] <... futex resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3339, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3345] set_robust_list(0x7f85c0c359a0, 24 [pid 3344] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3345] <... set_robust_list resumed>) = 0 [pid 3344] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3345] rt_sigprocmask(SIG_SETMASK, [] [pid 3344] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3345] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3344] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3346] <... set_robust_list resumed>) = 0 [pid 3345] mkdirat(AT_FDCWD, "./config", 0777 [pid 3344] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3346] rt_sigprocmask(SIG_SETMASK, [] [pid 3345] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3344] <... mmap resumed>) = 0x7f85c0c15000 [pid 3345] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3344] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3345] <... futex resumed>) = 1 [pid 3344] <... mprotect resumed>) = 0 [pid 3341] <... futex resumed>) = 0 [pid 3346] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3345] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3344] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3341] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3345] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3344] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3341] <... futex resumed>) = 0 [pid 3345] mount(NULL, "./config", "configfs", 0, NULL [pid 3344] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3341] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3345] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3345] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3344] <... clone3 resumed> => {parent_tid=[3348]}, 88) = 3348 [pid 3345] <... futex resumed>) = 1 [pid 3344] rt_sigprocmask(SIG_SETMASK, [] [pid 3341] <... futex resumed>) = 0 [pid 3345] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3344] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3341] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3347 attached [pid 3345] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3344] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3341] <... futex resumed>) = 0 [pid 3347] set_robust_list(0x7f85c0c359a0, 24 [pid 3346] mkdirat(AT_FDCWD, "./config", 0777 [pid 3345] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3344] <... futex resumed>) = 0 [pid 3341] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3347] <... set_robust_list resumed>) = 0 [pid 3346] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3345] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3344] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3347] rt_sigprocmask(SIG_SETMASK, [] [pid 3345] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3346] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3347] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3346] <... futex resumed>) = 1 [pid 3345] <... futex resumed>) = 1 [pid 3341] <... futex resumed>) = 0 [pid 3340] <... futex resumed>) = 0 [pid 3346] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3341] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3340] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3346] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3341] <... futex resumed>) = 0 [pid 3340] <... futex resumed>) = 0 [pid 3341] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3346] mount(NULL, "./config", "configfs", 0, NULL [pid 3340] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3347] mkdirat(AT_FDCWD, "./config", 0777 [pid 3346] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3345] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3347] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3345] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3347] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3345] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3347] <... futex resumed>) = 1 [pid 3346] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3345] <... futex resumed>) = 1 [pid 3342] <... futex resumed>) = 0 [pid 3341] <... futex resumed>) = 0 [pid 3347] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3345] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3342] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3341] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3340] <... futex resumed>) = 0 [pid 3347] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3346] <... futex resumed>) = 1 [pid 3345] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3342] <... futex resumed>) = 0 [pid 3341] <... futex resumed>) = 0 [pid 3340] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3347] mount(NULL, "./config", "configfs", 0, NULL [pid 3346] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3345] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3342] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3341] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3340] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3348 attached [pid 3347] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3346] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3345] <... mkdirat resumed>) = 0 [pid 3340] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3348] set_robust_list(0x7f85c0c359a0, 24 [pid 3347] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3346] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3345] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3340] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3348] <... set_robust_list resumed>) = 0 [pid 3347] <... futex resumed>) = 1 [pid 3346] <... futex resumed>) = 0 [pid 3345] <... futex resumed>) = 1 [pid 3342] <... futex resumed>) = 0 [pid 3341] <... futex resumed>) = 0 [pid 3340] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3348] rt_sigprocmask(SIG_SETMASK, [] [pid 3347] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3346] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3345] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3342] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3341] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3340] <... futex resumed>) = 0 [pid 3348] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3347] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3346] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3345] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3342] <... futex resumed>) = 0 [pid 3341] <... futex resumed>) = 0 [pid 3340] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3348] mkdirat(AT_FDCWD, "./config", 0777 [pid 3347] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3346] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3345] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3348] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3347] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3346] <... futex resumed>) = 0 [pid 3345] <... symlinkat resumed>) = 0 [pid 3342] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3341] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3340] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3348] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3347] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3346] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3345] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3342] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3340] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3348] <... futex resumed>) = 1 [pid 3347] <... futex resumed>) = 0 [pid 3346] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3345] <... futex resumed>) = 0 [pid 3344] <... futex resumed>) = 0 [pid 3342] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3341] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3340] <... futex resumed>) = 0 [pid 3348] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3347] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3346] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3345] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3344] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3342] <... futex resumed>) = 0 [pid 3341] <... futex resumed>) = 0 [pid 3340] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3347] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3346] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3345] <... unlinkat resumed>) = 0 [pid 3344] <... futex resumed>) = 0 [pid 3342] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3341] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3348] mount(NULL, "./config", "configfs", 0, NULL [pid 3347] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3346] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3345] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3344] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3342] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3348] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3347] <... futex resumed>) = 0 [pid 3346] <... futex resumed>) = 1 [pid 3345] <... futex resumed>) = 0 [pid 3342] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3341] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3340] <... futex resumed>) = 0 [pid 3348] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3347] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3346] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3345] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3342] <... futex resumed>) = 0 [pid 3341] <... futex resumed>) = 0 [pid 3340] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3348] <... futex resumed>) = 1 [pid 3347] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3346] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3345] <... unlinkat resumed>) = 0 [pid 3344] <... futex resumed>) = 0 [pid 3342] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3341] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3340] <... futex resumed>) = 0 [pid 3348] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3347] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3346] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3345] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3344] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3342] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3340] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3347] <... futex resumed>) = 0 [pid 3346] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3345] <... futex resumed>) = 0 [pid 3344] <... futex resumed>) = 0 [pid 3342] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3341] exit_group(0 [pid 3348] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3347] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3346] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3344] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3342] <... futex resumed>) = 0 [pid 3341] <... exit_group resumed>) = ? [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3348] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3347] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3346] <... futex resumed>) = 1 [pid 3345] +++ exited with 0 +++ [pid 3342] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3340] <... futex resumed>) = 0 [pid 3348] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3347] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3348] <... futex resumed>) = 1 [pid 3347] <... futex resumed>) = 0 [pid 3344] <... futex resumed>) = 0 [pid 3348] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3347] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3344] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3341] +++ exited with 0 +++ [pid 3348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3346] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3344] <... futex resumed>) = 0 [pid 3342] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3340] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3341, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3348] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3346] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3344] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3342] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3340] <... futex resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3348] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3347] <... futex resumed>) = 0 [pid 3346] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3342] <... futex resumed>) = 1 [pid 3340] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3348] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3347] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3348] <... futex resumed>) = 1 [pid 3347] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3344] <... futex resumed>) = 0 [pid 3348] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3347] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3344] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3346] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3347] <... futex resumed>) = 0 [pid 3346] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3344] <... futex resumed>) = 0 [pid 3342] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3349 [pid 3348] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3347] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3346] <... futex resumed>) = 1 [pid 3344] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3342] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3340] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3349 attached [pid 3348] <... mkdirat resumed>) = 0 [pid 3346] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3342] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3340] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3348] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3347] <... futex resumed>) = 0 [pid 3346] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3342] <... futex resumed>) = 1 [pid 3340] <... futex resumed>) = 0 [pid 3348] <... futex resumed>) = 1 [pid 3347] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3344] <... futex resumed>) = 0 [pid 3348] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3347] <... unlinkat resumed>) = 0 [pid 3346] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3344] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3342] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3340] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3347] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3346] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3344] <... futex resumed>) = 0 [pid 3342] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3350 [pid 3348] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3347] <... futex resumed>) = 0 [pid 3346] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3344] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3342] exit_group(0 [pid 3348] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3346] <... futex resumed>) = 1 [pid 3342] <... exit_group resumed>) = ? [pid 3340] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3349] set_robust_list(0x5555810c5760, 24 [pid 3348] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3347] +++ exited with 0 +++ [pid 3346] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3348] <... futex resumed>) = 1 [pid 3344] <... futex resumed>) = 0 [pid 3348] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3344] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3344] <... futex resumed>) = 0 [pid 3348] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3344] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3348] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3342] +++ exited with 0 +++ [pid 3340] exit_group(0 [pid 3349] <... set_robust_list resumed>) = 0 [pid 3348] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3348] <... futex resumed>) = 1 [pid 3346] <... futex resumed>) = ? [pid 3344] <... futex resumed>) = 0 [pid 3340] <... exit_group resumed>) = ? [pid 3349] rt_sigprocmask(SIG_SETMASK, [] [pid 3348] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3346] +++ exited with 0 +++ [pid 3344] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3342, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3344] <... futex resumed>) = 0 [pid 3348] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3344] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3348] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3348] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3344] <... futex resumed>) = 0 [pid 3340] +++ exited with 0 +++ [pid 3348] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3344] exit_group(0 [pid 3349] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3348] <... futex resumed>) = ? [pid 3344] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 3350 attached [pid 3349] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3348] +++ exited with 0 +++ [pid 3344] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3340, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3349] <... prctl resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3350] set_robust_list(0x5555810c5760, 24 [pid 3349] setpgid(0, 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3344, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3349] <... setpgid resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3351 ci2-android-5-15/strace-static-x86_64: Process 3351 attached [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3351] set_robust_list(0x5555810c5760, 24) = 0 [pid 3351] rt_sigprocmask(SIG_SETMASK, [] [pid 3349] <... openat resumed>) = 3 [pid 3351] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3351] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3351] setpgid(0, 0) = 0 [pid 3351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3351] write(3, "1000", 4) = 4 [pid 3351] close(3) = 0 [pid 3350] <... set_robust_list resumed>) = 0 [pid 3349] write(3, "1000", 4 [pid 304] <... restart_syscall resumed>) = 0 [pid 3351] write(1, "executing program\n", 18 [pid 3349] <... write resumed>) = 4 [pid 3351] <... write resumed>) = 18 [pid 3349] close(3 [pid 3350] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] executing program [pid 3351] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3350] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3349] <... close resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3349] write(1, "executing program\n", 18 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3351] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3352 attached [pid 3349] <... write resumed>) = 18 [pid 3351] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 306] <... restart_syscall resumed>) = 0 executing program [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3352 [pid 3350] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3352] set_robust_list(0x5555810c5760, 24 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3351] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3350] <... prctl resumed>) = 0 [pid 3349] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3351] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3350] setpgid(0, 0 [pid 3349] <... futex resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3352] <... set_robust_list resumed>) = 0 [pid 3352] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3352] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3352] setpgid(0, 0 [pid 3349] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3351] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3350] <... setpgid resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3353 [pid 3352] <... setpgid resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3349] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3351] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3349] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3351] <... mmap resumed>) = 0x7f85c0c15000 [pid 3350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3349] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3351] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3349] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3352] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3351] <... mprotect resumed>) = 0 [pid 3350] <... openat resumed>) = 3 [pid 3349] <... mmap resumed>) = 0x7f85c0c15000 [pid 3352] <... openat resumed>) = 3 [pid 3352] write(3, "1000", 4) = 4 [pid 3352] close(3 [pid 3351] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3350] write(3, "1000", 4 [pid 3349] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3352] <... close resumed>) = 0 [pid 3351] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3349] <... mprotect resumed>) = 0 [pid 3352] write(1, "executing program\n", 18 [pid 3350] <... write resumed>) = 4 [pid 3351] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3350] close(3 executing program [pid 3349] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3352] <... write resumed>) = 18 [pid 3349] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3353 attached [pid 3349] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3352] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3351] <... clone3 resumed> => {parent_tid=[3354]}, 88) = 3354 [pid 3350] <... close resumed>) = 0 [pid 3353] set_robust_list(0x5555810c5760, 24 [pid 3351] rt_sigprocmask(SIG_SETMASK, [] [pid 3352] <... futex resumed>) = 0 [pid 3350] write(1, "executing program\n", 18 [pid 3353] <... set_robust_list resumed>) = 0 [pid 3353] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3351] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3349] <... clone3 resumed> => {parent_tid=[3355]}, 88) = 3355 executing program [pid 3352] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3350] <... write resumed>) = 18 [pid 3349] rt_sigprocmask(SIG_SETMASK, [] [pid 3351] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3349] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3351] <... futex resumed>) = 0 [pid 3350] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3349] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3352] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3351] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3350] <... futex resumed>) = 0 [pid 3349] <... futex resumed>) = 0 [pid 3353] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3349] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3352] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3350] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3353] <... prctl resumed>) = 0 [pid 3350] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3352] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3352] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3350] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3353] setpgid(0, 0 [pid 3350] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3352] <... mmap resumed>) = 0x7f85c0c15000 [pid 3350] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3353] <... setpgid resumed>) = 0 [pid 3353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3350] <... mmap resumed>) = 0x7f85c0c15000 [pid 3352] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3350] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3352] <... mprotect resumed>) = 0 [pid 3353] <... openat resumed>) = 3 [pid 3352] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3350] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3353] write(3, "1000", 4 [pid 3352] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3350] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3353] <... write resumed>) = 4 [pid 3352] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3350] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3353] close(3) = 0 [pid 3353] write(1, "executing program\n", 18) = 18 [pid 3353] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3352] <... clone3 resumed> => {parent_tid=[3356]}, 88) = 3356 [pid 3352] rt_sigprocmask(SIG_SETMASK, [] [pid 3350] <... clone3 resumed> => {parent_tid=[3357]}, 88) = 3357 [pid 3353] <... futex resumed>) = 0 [pid 3352] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3350] rt_sigprocmask(SIG_SETMASK, [] [pid 3352] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3350] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 3352] <... futex resumed>) = 0 [pid 3350] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3352] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3350] <... futex resumed>) = 0 [pid 3353] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3350] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3353] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3353] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3353] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3353] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3353] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 3356 attached , [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3354 attached [pid 3354] set_robust_list(0x7f85c0c359a0, 24ci2-android-5-15/strace-static-x86_64: Process 3355 attached ) = 0 [pid 3355] set_robust_list(0x7f85c0c359a0, 24 [pid 3354] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3355] <... set_robust_list resumed>) = 0 [pid 3356] set_robust_list(0x7f85c0c359a0, 24 [pid 3354] mkdirat(AT_FDCWD, "./config", 0777 [pid 3353] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3355] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3355] mkdirat(AT_FDCWD, "./config", 0777 [pid 3354] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3354] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3351] <... futex resumed>) = 0 [pid 3355] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3351] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3354] mount(NULL, "./config", "configfs", 0, NULL [pid 3351] <... futex resumed>) = 0 [pid 3355] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3351] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3356] <... set_robust_list resumed>) = 0 [pid 3354] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3353] <... clone3 resumed> => {parent_tid=[3358]}, 88) = 3358 [pid 3355] <... futex resumed>) = 1 [pid 3349] <... futex resumed>) = 0 [pid 3355] mount(NULL, "./config", "configfs", 0, NULL [pid 3349] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3355] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3349] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3354] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3351] <... futex resumed>) = 0 [pid 3355] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3356] rt_sigprocmask(SIG_SETMASK, [] [pid 3351] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3354] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3356] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3353] rt_sigprocmask(SIG_SETMASK, [] [pid 3351] <... futex resumed>) = 0 [pid 3351] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3356] mkdirat(AT_FDCWD, "./config", 0777 [pid 3355] <... futex resumed>) = 1 [pid 3353] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3349] <... futex resumed>) = 0 [pid 3349] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3356] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3353] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3349] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3356] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3354] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3353] <... futex resumed>) = 0 [pid 3355] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3354] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3356] <... futex resumed>) = 1 [pid 3353] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3352] <... futex resumed>) = 0 [pid 3356] mount(NULL, "./config", "configfs", 0, NULL [pid 3355] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3354] <... futex resumed>) = 1 [pid 3352] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3351] <... futex resumed>) = 0 [pid 3352] <... futex resumed>) = 0 [pid 3351] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3356] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3352] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3351] <... futex resumed>) = 0 [pid 3351] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3356] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3357 attached ) = 1 [pid 3355] <... futex resumed>) = 1 [pid 3354] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3352] <... futex resumed>) = 0 [pid 3349] <... futex resumed>) = 0 [pid 3356] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3352] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3349] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3352] <... futex resumed>) = 0 [pid 3349] <... futex resumed>) = 0 [pid 3356] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3352] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3349] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3356] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3357] set_robust_list(0x7f85c0c359a0, 24 [pid 3355] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3354] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3356] <... futex resumed>) = 1 [pid 3352] <... futex resumed>) = 0 [pid 3354] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3352] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3356] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3352] <... futex resumed>) = 0 [pid 3354] <... futex resumed>) = 1 [pid 3352] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3351] <... futex resumed>) = 0 [pid 3356] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3354] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3351] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3357] <... set_robust_list resumed>) = 0 [pid 3356] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3355] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3354] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3351] <... futex resumed>) = 0 [pid 3357] rt_sigprocmask(SIG_SETMASK, [] [pid 3355] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3356] <... futex resumed>) = 1 [pid 3354] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3352] <... futex resumed>) = 0 [pid 3351] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3356] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3352] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3356] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3354] <... mkdirat resumed>) = 0 [pid 3352] <... futex resumed>) = 0 [pid 3356] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3352] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3354] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3356] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3354] <... futex resumed>) = 1 [pid 3351] <... futex resumed>) = 0 [pid 3356] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3351] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3354] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3356] <... futex resumed>) = 1 [pid 3352] <... futex resumed>) = 0 [pid 3351] <... futex resumed>) = 0 [pid 3356] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3352] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3351] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3356] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3352] <... futex resumed>) = 0 [pid 3356] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3354] <... symlinkat resumed>) = 0 [pid 3352] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3356] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3354] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3356] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3358 attached [pid 3357] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3356] <... futex resumed>) = 1 [pid 3355] <... futex resumed>) = 1 [pid 3354] <... futex resumed>) = 1 [pid 3352] <... futex resumed>) = 0 [pid 3351] <... futex resumed>) = 0 [pid 3349] <... futex resumed>) = 0 [pid 3358] set_robust_list(0x7f85c0c359a0, 24 [pid 3357] mkdirat(AT_FDCWD, "./config", 0777 [pid 3356] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3355] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3354] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3352] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3351] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3349] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3358] <... set_robust_list resumed>) = 0 [pid 3357] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3356] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3355] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3354] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3352] <... futex resumed>) = 0 [pid 3351] <... futex resumed>) = 0 [pid 3349] <... futex resumed>) = 0 [pid 3358] rt_sigprocmask(SIG_SETMASK, [] [pid 3357] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3356] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3355] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3354] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3352] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3351] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3349] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3358] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3357] <... futex resumed>) = 1 [pid 3356] <... unlinkat resumed>) = 0 [pid 3355] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3354] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3350] <... futex resumed>) = 0 [pid 3358] mkdirat(AT_FDCWD, "./config", 0777 [pid 3357] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3356] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3355] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3354] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3350] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3358] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3356] <... futex resumed>) = 1 [pid 3355] <... futex resumed>) = 1 [pid 3354] <... futex resumed>) = 1 [pid 3352] <... futex resumed>) = 0 [pid 3351] <... futex resumed>) = 0 [pid 3350] <... futex resumed>) = 0 [pid 3349] <... futex resumed>) = 0 [pid 3358] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3357] mount(NULL, "./config", "configfs", 0, NULL [pid 3356] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3355] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3354] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3352] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3351] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3350] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3349] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3358] <... futex resumed>) = 1 [pid 3357] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3356] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3355] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3354] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3353] <... futex resumed>) = 0 [pid 3352] <... futex resumed>) = 0 [pid 3351] <... futex resumed>) = 0 [pid 3349] <... futex resumed>) = 0 [ 37.295243][ T3355] ================================================================== [ 37.303377][ T3355] BUG: KASAN: use-after-free in config_item_get+0x27/0x90 [ 37.310515][ T3355] Write of size 4 at addr ffff88811afc341c by task syz-executor265/3355 [ 37.318868][ T3355] [ 37.321198][ T3355] CPU: 1 PID: 3355 Comm: syz-executor265 Not tainted syzkaller #0 [ 37.329031][ T3355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 37.339112][ T3355] Call Trace: [ 37.342421][ T3355] [ 37.345357][ T3355] __dump_stack+0x21/0x30 [ 37.349685][ T3355] dump_stack_lvl+0x110/0x170 [ 37.354367][ T3355] ? show_regs_print_info+0x20/0x20 [ 37.359574][ T3355] ? load_image+0x3f0/0x3f0 [ 37.364108][ T3355] print_address_description+0x7f/0x2c0 [ 37.369668][ T3355] ? config_item_get+0x27/0x90 [ 37.374442][ T3355] kasan_report+0x10f/0x150 [ 37.378957][ T3355] ? config_item_get+0x27/0x90 [ 37.383735][ T3355] kasan_check_range+0x249/0x2a0 [ 37.388680][ T3355] __kasan_check_write+0x14/0x20 [ 37.393620][ T3355] config_item_get+0x27/0x90 [ 37.398232][ T3355] configfs_symlink+0x44f/0x1330 [ 37.403169][ T3355] ? selinux_determine_inode_label+0x3e0/0x3e0 [ 37.409335][ T3355] ? from_kgid+0x14f/0x6a0 [ 37.413776][ T3355] ? make_kgid+0x650/0x650 [ 37.418200][ T3355] ? detach_groups+0x2e0/0x2e0 [ 37.423419][ T3355] ? selinux_inode_symlink+0x22/0x30 [ 37.429143][ T3355] ? security_inode_symlink+0xba/0x100 [ 37.434698][ T3355] vfs_symlink+0x29e/0x470 [ 37.439119][ T3355] do_symlinkat+0x24a/0x5d0 [ 37.444424][ T3355] __x64_sys_symlinkat+0x99/0xb0 [ 37.449414][ T3355] x64_sys_call+0x74b/0x9a0 [ 37.453936][ T3355] do_syscall_64+0x4c/0xa0 [ 37.458363][ T3355] ? clear_bhb_loop+0x50/0xa0 [ 37.463216][ T3355] ? clear_bhb_loop+0x50/0xa0 [ 37.467898][ T3355] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 37.473790][ T3355] RIP: 0033:0x7f85c0c564d9 [ 37.478233][ T3355] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 37.497832][ T3355] RSP: 002b:00007f85c0c35168 EFLAGS: 00000246 ORIG_RAX: 000000000000010a [ 37.506256][ T3355] RAX: ffffffffffffffda RBX: 00007f85c0d05b28 RCX: 00007f85c0c564d9 [ 37.514229][ T3355] RDX: 0000200000000340 RSI: 00000000ffffff9c RDI: 0000200000000300 [ 37.522213][ T3355] RBP: 00007f85c0d05b20 R08: 00007f85c0c35cdc R09: 0000000000000000 [ 37.530222][ T3355] R10: 00007f85c0c35cdc R11: 0000000000000246 R12: 00007f85c0d05b2c [ 37.538202][ T3355] R13: 0000000000000000 R14: 00007fffb5126ec0 R15: 00007fffb5126fa8 [ 37.546171][ T3355] [ 37.549188][ T3355] [ 37.551526][ T3355] Allocated by task 3354: [ 37.555851][ T3355] __kasan_kmalloc+0xd4/0x100 [ 37.560529][ T3355] kmem_cache_alloc_trace+0x119/0x270 [ 37.565907][ T3355] afunc_alloc_inst+0x4c/0x560 [ 37.570667][ T3355] usb_get_function_instance+0xe2/0x2f0 [ 37.576313][ T3355] function_make+0x118/0x350 [ 37.580914][ T3355] configfs_mkdir+0x50a/0x9c0 [ 37.585595][ T3355] vfs_mkdir+0x38b/0x590 [ 37.589841][ T3355] do_mkdirat+0x174/0x4d0 [ 37.594198][ T3355] __x64_sys_mkdirat+0x89/0xa0 [ 37.598966][ T3355] x64_sys_call+0x37e/0x9a0 [ 37.603479][ T3355] do_syscall_64+0x4c/0xa0 [ 37.607986][ T3355] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 37.613878][ T3355] [ 37.616202][ T3355] Freed by task 3356: [ 37.620174][ T3355] kasan_set_track+0x4a/0x70 [ 37.624767][ T3355] kasan_set_free_info+0x23/0x40 [ 37.629704][ T3355] ____kasan_slab_free+0x125/0x160 [ 37.634822][ T3355] __kasan_slab_free+0x11/0x20 [ 37.639584][ T3355] slab_free_freelist_hook+0xc2/0x190 [ 37.644974][ T3355] kfree+0xc4/0x270 [ 37.648776][ T3355] afunc_free_inst+0x15/0x20 [ 37.653365][ T3355] usb_put_function_instance+0x85/0xa0 [ 37.658842][ T3355] f_uac2_attr_release+0x15/0x20 [ 37.663778][ T3355] config_item_put+0x158/0x210 [ 37.668560][ T3355] configfs_rmdir+0x89f/0x960 [ 37.673237][ T3355] vfs_rmdir+0x1ae/0x450 [ 37.677482][ T3355] do_rmdir+0x261/0x6b0 [ 37.681631][ T3355] __x64_sys_unlinkat+0xc7/0xf0 [ 37.686571][ T3355] x64_sys_call+0x4c0/0x9a0 [ 37.691082][ T3355] do_syscall_64+0x4c/0xa0 [ 37.695500][ T3355] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 37.701406][ T3355] [ 37.703734][ T3355] The buggy address belongs to the object at ffff88811afc3400 [ 37.703734][ T3355] which belongs to the cache kmalloc-512 of size 512 [ 37.717787][ T3355] The buggy address is located 28 bytes inside of [ 37.717787][ T3355] 512-byte region [ffff88811afc3400, ffff88811afc3600) [ 37.730991][ T3355] The buggy address belongs to the page: [ 37.736636][ T3355] page:ffffea00046bf000 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11afc0 [ 37.746867][ T3355] head:ffffea00046bf000 order:2 compound_mapcount:0 compound_pincount:0 [ 37.755201][ T3355] flags: 0x4000000000010200(slab|head|zone=1) [ 37.761277][ T3355] raw: 4000000000010200 dead000000000100 dead000000000122 ffff888100042f00 [ 37.769873][ T3355] raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 [ 37.778457][ T3355] page dumped because: kasan: bad access detected [ 37.784873][ T3355] page_owner tracks the page as allocated [ 37.790589][ T3355] page last allocated via order 2, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 139, ts 7674516310, free_ts 0 [ 37.808646][ T3355] post_alloc_hook+0x192/0x1b0 [ 37.813419][ T3355] prep_new_page+0x1c/0x110 [ 37.818028][ T3355] get_page_from_freelist+0x2c3a/0x2cd0 [ 37.823657][ T3355] __alloc_pages+0x1a2/0x460 [ 37.828267][ T3355] new_slab+0xa0/0x4d0 [ 37.832333][ T3355] ___slab_alloc+0x3ac/0x840 [ 37.836925][ T3355] __slab_alloc+0x49/0x90 [ 37.841254][ T3355] __kmalloc_track_caller+0x169/0x2c0 [ 37.846638][ T3355] __alloc_skb+0x210/0x730 [ 37.851056][ T3355] alloc_skb_with_frags+0xa8/0x620 [ 37.856172][ T3355] sock_alloc_send_pskb+0x87f/0x9a0 [ 37.861373][ T3355] unix_dgram_sendmsg+0x6f3/0x19b0 [ 37.866501][ T3355] unix_seqpacket_sendmsg+0x118/0x1e0 [ 37.871947][ T3355] sock_write_iter+0x2a6/0x3a0 [ 37.876736][ T3355] vfs_write+0x831/0xfd0 [ 37.880981][ T3355] ksys_write+0x14a/0x260 [ 37.885316][ T3355] page_owner free stack trace missing [ 37.890675][ T3355] [ 37.893007][ T3355] Memory state around the buggy address: [ 37.898638][ T3355] ffff88811afc3300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 37.906725][ T3355] ffff88811afc3380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 37.914778][ T3355] >ffff88811afc3400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 37.922847][ T3355] ^ [ 37.927698][ T3355] ffff88811afc3480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 37.935926][ T3355] ffff88811afc3500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 37.943977][ T3355] ================================================================== [ 37.952037][ T3355] Disabling lock debugging due to kernel taint [ 37.958277][ T3355] ------------[ cut here ]------------ [ 37.964013][ T3355] refcount_t: addition on 0; use-after-free. [ 37.970111][ T3355] WARNING: CPU: 1 PID: 3355 at lib/refcount.c:25 refcount_warn_saturate+0x104/0x1a0 [ 37.979632][ T3355] Modules linked in: [ 37.983549][ T3355] CPU: 1 PID: 3355 Comm: syz-executor265 Tainted: G B syzkaller #0 [ 37.992993][ T3355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 38.003069][ T3355] RIP: 0010:refcount_warn_saturate+0x104/0x1a0 [ 38.009250][ T3355] Code: 04 01 48 c7 c7 80 47 63 85 e8 c8 47 5a 02 0f 0b eb df e8 5f 80 19 ff c6 05 1b ea 95 04 01 48 c7 c7 c0 46 63 85 e8 ac 47 5a 02 <0f> 0b eb c3 e8 43 80 19 ff c6 05 00 ea 95 04 01 48 c7 c7 20 47 63 [ 38.028878][ T3355] RSP: 0018:ffffc900050a7c58 EFLAGS: 00010246 [ 38.034988][ T3355] RAX: e6cb47b9e04a8500 RBX: 0000000000000002 RCX: ffff8881159ae2c0 [ 38.042974][ T3355] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 38.050989][ T3355] RBP: ffffc900050a7c68 R08: ffffc900050a76c7 R09: 1ffff92000a14ed8 [ 38.058999][ T3355] R10: dffffc0000000000 R11: fffff52000a14ed9 R12: ffff888122350a80 [ 38.066978][ T3355] R13: dffffc0000000000 R14: 0000000000000002 R15: 0000000000000000 [ 38.075056][ T3355] FS: 00007f85c0c356c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 38.083999][ T3355] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.090601][ T3355] CR2: 0000200000000000 CR3: 0000000122b38000 CR4: 00000000003506a0 [ 38.098584][ T3355] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 38.107091][ T3355] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 38.115084][ T3355] Call Trace: [ 38.118367][ T3355] [ 38.121321][ T3355] config_item_get+0x8c/0x90 [ 38.125919][ T3355] configfs_symlink+0x44f/0x1330 [ 38.130910][ T3355] ? selinux_determine_inode_label+0x3e0/0x3e0 [ 38.137075][ T3355] ? from_kgid+0x14f/0x6a0 [ 38.141504][ T3355] ? make_kgid+0x650/0x650 [ 38.145940][ T3355] ? detach_groups+0x2e0/0x2e0 [ 38.150715][ T3355] ? selinux_inode_symlink+0x22/0x30 [ 38.156008][ T3355] ? security_inode_symlink+0xba/0x100 [ 38.161484][ T3355] vfs_symlink+0x29e/0x470 [ 38.165911][ T3355] do_symlinkat+0x24a/0x5d0 [ 38.170431][ T3355] __x64_sys_symlinkat+0x99/0xb0 [ 38.175377][ T3355] x64_sys_call+0x74b/0x9a0 [ 38.179913][ T3355] do_syscall_64+0x4c/0xa0 [ 38.184338][ T3355] ? clear_bhb_loop+0x50/0xa0 [ 38.189041][ T3355] ? clear_bhb_loop+0x50/0xa0 [ 38.193727][ T3355] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 38.199656][ T3355] RIP: 0033:0x7f85c0c564d9 [ 38.204096][ T3355] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 38.223821][ T3355] RSP: 002b:00007f85c0c35168 EFLAGS: 00000246 ORIG_RAX: 000000000000010a [ 38.232277][ T3355] RAX: ffffffffffffffda RBX: 00007f85c0d05b28 RCX: 00007f85c0c564d9 [ 38.240292][ T3355] RDX: 0000200000000340 RSI: 00000000ffffff9c RDI: 0000200000000300 [pid 3358] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3357] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3356] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [ 38.248360][ T3355] RBP: 00007f85c0d05b20 R08: 00007f85c0c35cdc R09: 0000000000000000 [ 38.256370][ T3355] R10: 00007f85c0c35cdc R11: 0000000000000246 R12: 00007f85c0d05b2c [ 38.264356][ T3355] R13: 0000000000000000 R14: 00007fffb5126ec0 R15: 00007fffb5126fa8 [ 38.272376][ T3355] [ 38.275411][ T3355] ---[ end trace a39d22c94263b9df ]--- [ 38.283595][ T30] kauditd_printk_skb: 2 callbacks suppressed [pid 3355] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3354] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3353] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3352] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3351] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3349] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3358] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3357] <... futex resumed>) = 1 [pid 3356] <... unlinkat resumed>) = 0 [pid 3350] <... futex resumed>) = 0 [pid 3358] mount(NULL, "./config", "configfs", 0, NULL [pid 3357] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3358] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3358] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3358] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3356] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3354] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3353] <... futex resumed>) = 1 [pid 3350] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3358] <... futex resumed>) = 0 [ 38.283607][ T30] audit: type=1400 audit(1785385184.748:76): avc: denied { read } for pid=83 comm="syslogd" name="log" dev="sda1" ino=2010 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 [ 38.289775][ T3355] ------------[ cut here ]------------ [ 38.314988][ T30] audit: type=1400 audit(1785385184.748:77): avc: denied { search } for pid=83 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 38.318403][ T3355] refcount_t: underflow; use-after-free. [pid 3358] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3356] <... futex resumed>) = 1 [pid 3354] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3353] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3352] <... futex resumed>) = 0 [pid 3350] <... futex resumed>) = 1 [pid 3357] <... futex resumed>) = 0 [pid 3349] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3357] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3349] futex(0x7f85c0d05b3c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3357] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3349] <... futex resumed>) = 0 [pid 3357] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3349] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3357] <... futex resumed>) = 0 [pid 3349] <... mmap resumed>) = 0x7f85c0bf4000 [pid 3357] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3349] mprotect(0x7f85c0bf5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3349] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3349] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c14990, parent_tid=0x7f85c0c14990, exit_signal=0, stack=0x7f85c0bf4000, stack_size=0x20240, tls=0x7f85c0c146c0} => {parent_tid=[3359]}, 88) = 3359 [pid 3349] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3349] futex(0x7f85c0d05b38, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3349] futex(0x7f85c0d05b3c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3359 attached [pid 3356] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3354] <... futex resumed>) = 1 [pid 3353] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3352] exit_group(0 [pid 3351] <... futex resumed>) = 0 [ 38.340711][ T30] audit: type=1400 audit(1785385184.748:78): avc: denied { write } for pid=83 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 38.345433][ T3355] WARNING: CPU: 0 PID: 3355 at lib/refcount.c:28 refcount_warn_saturate+0x120/0x1a0 [ 38.370571][ T30] audit: type=1400 audit(1785385184.748:79): avc: denied { add_name } for pid=83 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 38.375882][ T3355] Modules linked in: [pid 3350] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3359] set_robust_list(0x7f85c0c149a0, 24 [pid 3356] <... futex resumed>) = ? [pid 3354] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3353] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3352] <... exit_group resumed>) = ? [pid 3351] exit_group(0 [pid 3350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3349] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3349] futex(0x7f85c0d05b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3349] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0bd3000 [pid 3349] mprotect(0x7f85c0bd4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3349] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3349] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0bf3990, parent_tid=0x7f85c0bf3990, exit_signal=0, stack=0x7f85c0bd3000, stack_size=0x20240, tls=0x7f85c0bf36c0} => {parent_tid=[3360]}, 88) = 3360 [pid 3349] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3349] futex(0x7f85c0d05b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3349] futex(0x7f85c0d05b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3360 attached [pid 3360] set_robust_list(0x7f85c0bf39a0, 24) = 0 [pid 3360] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3360] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = -1 ENOENT (No such file or directory) [pid 3360] futex(0x7f85c0d05b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3349] <... futex resumed>) = 0 [pid 3360] <... futex resumed>) = 1 [ 38.397443][ T30] audit: type=1400 audit(1785385184.748:80): avc: denied { create } for pid=83 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 38.400378][ T3355] CPU: 0 PID: 3355 Comm: syz-executor265 Tainted: G B W syzkaller #0 [pid 3360] futex(0x7f85c0d05b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3359] <... set_robust_list resumed>) = 0 [pid 3356] +++ exited with 0 +++ [pid 3354] <... futex resumed>) = ? [pid 3353] <... futex resumed>) = 1 [pid 3352] +++ exited with 0 +++ [pid 3351] <... exit_group resumed>) = ? [pid 3350] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3352, si_uid=0, si_status=0, si_utime=0, si_stime=98 /* 0.98 s */} --- [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555810c5750) = 3361 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3361 attached [pid 3361] set_robust_list(0x5555810c5760, 24) = 0 [pid 3361] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3361] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3361] setpgid(0, 0) = 0 [pid 3361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3361] write(3, "1000", 4) = 4 [pid 3361] close(3) = 0 [pid 3361] write(1, "executing program\n", 18) = 18 [pid 3361] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3361] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3361] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3361] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3361] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3361] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3358] <... futex resumed>) = 0 executing program [pid 3361] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3361] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3359] rt_sigprocmask(SIG_SETMASK, [] [pid 3354] +++ exited with 0 +++ [pid 3353] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3361] <... clone3 resumed> => {parent_tid=[3362]}, 88) = 3362 [pid 3361] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3361] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3351] +++ exited with 0 +++ [pid 3357] <... futex resumed>) = 0 [pid 3350] <... futex resumed>) = 1 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3351, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3357] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3358] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3359] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3350] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3358] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3357] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3357] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3357] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3359] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3358] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3361] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3362 attached [ 38.426838][ T30] audit: type=1400 audit(1785385184.748:81): avc: denied { append open } for pid=83 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=5 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 38.431676][ T3355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 38.463899][ T3355] RIP: 0010:refcount_warn_saturate+0x120/0x1a0 [ 38.464640][ T30] audit: type=1400 audit(1785385184.748:82): avc: denied { getattr } for pid=83 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=5 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [pid 3362] set_robust_list(0x7f85c0c359a0, 24 [pid 3358] <... futex resumed>) = 1 [pid 3353] <... futex resumed>) = 0 [pid 3350] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3362] <... set_robust_list resumed>) = 0 [pid 3362] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3362] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3362] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3361] <... futex resumed>) = 0 [pid 3362] mount(NULL, "./config", "configfs", 0, NULL [pid 3361] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3362] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3361] <... futex resumed>) = 0 [pid 3362] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3361] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3362] <... futex resumed>) = 0 [pid 3361] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3362] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3361] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3362] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3361] <... futex resumed>) = 0 [pid 3362] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3361] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3362] <... futex resumed>) = 0 [pid 3361] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3362] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3361] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3362] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3361] <... futex resumed>) = 0 [pid 3362] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3361] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3362] <... futex resumed>) = 0 [pid 3361] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3362] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3361] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3362] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3361] <... futex resumed>) = 0 [pid 3362] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3361] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3362] <... mkdirat resumed>) = 0 [pid 3362] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3361] <... futex resumed>) = 0 [pid 3362] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3361] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3362] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3361] <... futex resumed>) = 0 [pid 3362] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3361] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555810c5750) = 3363 [pid 311] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3363 attached [pid 3363] set_robust_list(0x5555810c5760, 24) = 0 [pid 3363] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3363] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3363] setpgid(0, 0) = 0 [pid 3363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3358] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3353] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3350] <... futex resumed>) = 1 [pid 3357] <... futex resumed>) = 0 [pid 3357] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 3357] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3357] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3363] <... openat resumed>) = 3 [pid 3363] write(3, "1000", 4) = 4 [pid 3363] close(3) = 0 [pid 3363] write(1, "executing program\n", 18) = 18 [pid 3363] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3363] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3363] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3363] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3363] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3363] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3363] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[3364]}, 88) = 3364 executing program [pid 3363] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3363] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3363] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3364 attached [pid 3358] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3353] <... futex resumed>) = 0 [pid 3350] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3364] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3364] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3364] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3364] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3363] <... futex resumed>) = 0 [pid 3363] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3363] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3364] <... futex resumed>) = 1 [pid 3364] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3364] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3363] <... futex resumed>) = 0 [pid 3363] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3363] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3364] <... futex resumed>) = 1 [pid 3364] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3364] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3363] <... futex resumed>) = 0 [pid 3363] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3363] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3364] <... futex resumed>) = 1 [pid 3364] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3364] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3363] <... futex resumed>) = 0 [pid 3363] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3363] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3364] <... futex resumed>) = 1 [pid 3364] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 3364] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3363] <... futex resumed>) = 0 [pid 3363] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3363] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3364] <... futex resumed>) = 1 [pid 3364] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3358] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3353] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3358] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3350] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3358] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3350] <... futex resumed>) = 1 [pid 3358] <... futex resumed>) = 1 [pid 3353] <... futex resumed>) = 0 [pid 3350] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3358] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3353] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3358] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3353] <... futex resumed>) = 0 [pid 3358] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3353] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3358] <... futex resumed>) = 0 [pid 3353] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3358] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3353] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3357] <... futex resumed>) = 0 [pid 3353] <... futex resumed>) = 0 [pid 3353] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 38.470748][ T3355] Code: 04 01 48 c7 c7 c0 46 63 85 e8 ac 47 5a 02 0f 0b eb c3 e8 43 80 19 ff c6 05 00 ea 95 04 01 48 c7 c7 20 47 63 85 e8 90 47 5a 02 <0f> 0b eb a7 e8 27 80 19 ff c6 05 e1 e9 95 04 01 48 c7 c7 60 46 63 [ 38.513308][ T3355] RSP: 0018:ffffc900050a7c38 EFLAGS: 00010246 [ 38.520206][ T3355] RAX: e6cb47b9e04a8500 RBX: 0000000000000003 RCX: ffff8881159ae2c0 [ 38.528305][ T3355] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 38.536725][ T3355] RBP: ffffc900050a7c48 R08: 0000000000000003 R09: 0000000000000004 [pid 3357] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3361] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3361] futex(0x7f85c0d05b3c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3361] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0bf4000 [pid 3361] mprotect(0x7f85c0bf5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3361] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3361] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c14990, parent_tid=0x7f85c0c14990, exit_signal=0, stack=0x7f85c0bf4000, stack_size=0x20240, tls=0x7f85c0c146c0} => {parent_tid=[3365]}, 88) = 3365 [pid 3361] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3361] futex(0x7f85c0d05b38, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3361] futex(0x7f85c0d05b3c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3365 attached [pid 3365] set_robust_list(0x7f85c0c149a0, 24) = 0 [pid 3365] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3365] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3363] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3363] futex(0x7f85c0d05b3c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3363] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0bf4000 [pid 3363] mprotect(0x7f85c0bf5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3363] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3350] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3363] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3363] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c14990, parent_tid=0x7f85c0c14990, exit_signal=0, stack=0x7f85c0bf4000, stack_size=0x20240, tls=0x7f85c0c146c0} => {parent_tid=[3366]}, 88) = 3366 [pid 3363] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3366 attached [pid 3363] futex(0x7f85c0d05b38, FUTEX_WAKE_PRIVATE, 1000000 [pid 3353] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3350] futex(0x7f85c0d05b3c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3363] <... futex resumed>) = 0 [pid 3363] futex(0x7f85c0d05b3c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3366] set_robust_list(0x7f85c0c149a0, 24) = 0 [pid 3366] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 38.544921][ T3355] R10: dffffc0000000000 R11: fffff52000a14ee8 R12: 00000000ffffffea [ 38.553060][ T3355] R13: dffffc0000000000 R14: 0000000000000003 R15: 00000000c0000000 [ 38.561161][ T3355] FS: 00007f85c0c356c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 38.570160][ T3355] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.576767][ T3355] CR2: 00007f85c0cd0b7c CR3: 0000000122b38000 CR4: 00000000003506b0 [ 38.584824][ T3355] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 38.592898][ T3355] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [pid 3366] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3353] futex(0x7f85c0d05b3c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3350] <... futex resumed>) = 0 [pid 3353] <... futex resumed>) = 0 [pid 3353] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0bf4000 [pid 3350] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3353] mprotect(0x7f85c0bf5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3353] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3350] <... mmap resumed>) = 0x7f85c0bf4000 [pid 3361] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3353] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c14990, parent_tid=0x7f85c0c14990, exit_signal=0, stack=0x7f85c0bf4000, stack_size=0x20240, tls=0x7f85c0c146c0} [pid 3361] futex(0x7f85c0d05b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3353] <... clone3 resumed> => {parent_tid=[3367]}, 88) = 3367 [pid 3361] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3353] rt_sigprocmask(SIG_SETMASK, [] [pid 3361] <... mmap resumed>) = 0x7f85c0bd3000 [pid 3350] mprotect(0x7f85c0bf5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3361] mprotect(0x7f85c0bd4000, 131072, PROT_READ|PROT_WRITE [pid 3353] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3350] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3361] <... mprotect resumed>) = 0 [pid 3353] futex(0x7f85c0d05b38, FUTEX_WAKE_PRIVATE, 1000000 [pid 3350] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3350] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c14990, parent_tid=0x7f85c0c14990, exit_signal=0, stack=0x7f85c0bf4000, stack_size=0x20240, tls=0x7f85c0c146c0} [pid 3361] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3353] <... futex resumed>) = 0 [pid 3361] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3353] futex(0x7f85c0d05b3c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3350] <... clone3 resumed> => {parent_tid=[3368]}, 88) = 3368 [pid 3350] rt_sigprocmask(SIG_SETMASK, [] [pid 3361] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0bf3990, parent_tid=0x7f85c0bf3990, exit_signal=0, stack=0x7f85c0bd3000, stack_size=0x20240, tls=0x7f85c0bf36c0} [pid 3350] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3350] futex(0x7f85c0d05b38, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3350] futex(0x7f85c0d05b3c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3361] <... clone3 resumed> => {parent_tid=[3369]}, 88) = 3369 [pid 3361] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3361] futex(0x7f85c0d05b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 ci2-android-5-15/strace-static-x86_64: Process 3369 attached [pid 3361] futex(0x7f85c0d05b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3369] set_robust_list(0x7f85c0bf39a0, 24) = 0 [pid 3369] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3369] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIRci2-android-5-15/strace-static-x86_64: Process 3368 attached ) = 0 [pid 3369] futex(0x7f85c0d05b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3361] <... futex resumed>) = 0 [pid 3369] <... futex resumed>) = 1 [pid 3369] futex(0x7f85c0d05b48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 3367 attached [pid 3367] set_robust_list(0x7f85c0c149a0, 24) = 0 [pid 3368] set_robust_list(0x7f85c0c149a0, 24) = 0 [pid 3368] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3368] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3367] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3367] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3363] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3363] futex(0x7f85c0d05b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3363] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0bd3000 [ 38.600964][ T3355] Call Trace: [ 38.604282][ T3355] [ 38.607270][ T3355] config_item_put+0x200/0x210 [ 38.614253][ T3355] configfs_symlink+0x4a6/0x1330 [ 38.619877][ T3355] ? selinux_determine_inode_label+0x3e0/0x3e0 [ 38.626082][ T3355] ? from_kgid+0x14f/0x6a0 [ 38.630546][ T3355] ? make_kgid+0x650/0x650 [ 38.634985][ T3355] ? detach_groups+0x2e0/0x2e0 [ 38.639835][ T3355] ? selinux_inode_symlink+0x22/0x30 [ 38.645143][ T3355] ? security_inode_symlink+0xba/0x100 [pid 3363] mprotect(0x7f85c0bd4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3363] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3363] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0bf3990, parent_tid=0x7f85c0bf3990, exit_signal=0, stack=0x7f85c0bd3000, stack_size=0x20240, tls=0x7f85c0bf36c0} => {parent_tid=[3370]}, 88) = 3370 [pid 3363] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3363] futex(0x7f85c0d05b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3363] futex(0x7f85c0d05b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3370 attached [pid 3370] set_robust_list(0x7f85c0bf39a0, 24) = 0 [pid 3353] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3370] rt_sigprocmask(SIG_SETMASK, [] [pid 3353] futex(0x7f85c0d05b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3350] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3370] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3353] <... futex resumed>) = 0 [pid 3370] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3353] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3350] futex(0x7f85c0d05b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3370] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3353] <... mmap resumed>) = 0x7f85c0bd3000 [pid 3370] futex(0x7f85c0d05b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3353] mprotect(0x7f85c0bd4000, 131072, PROT_READ|PROT_WRITE [pid 3350] <... futex resumed>) = 0 [pid 3370] <... futex resumed>) = 1 [pid 3363] <... futex resumed>) = 0 [pid 3353] <... mprotect resumed>) = 0 [pid 3370] futex(0x7f85c0d05b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3353] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3350] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3353] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3353] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0bf3990, parent_tid=0x7f85c0bf3990, exit_signal=0, stack=0x7f85c0bd3000, stack_size=0x20240, tls=0x7f85c0bf36c0} [pid 3350] <... mmap resumed>) = 0x7f85c0bd3000 [pid 3353] <... clone3 resumed> => {parent_tid=[3371]}, 88) = 3371 [pid 3353] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3353] futex(0x7f85c0d05b48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3371 attached ) = 0 [pid 3350] mprotect(0x7f85c0bd4000, 131072, PROT_READ|PROT_WRITE [pid 3353] futex(0x7f85c0d05b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3371] set_robust_list(0x7f85c0bf39a0, 24) = 0 [pid 3371] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3350] <... mprotect resumed>) = 0 [pid 3371] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = -1 ENOENT (No such file or directory) [pid 3371] futex(0x7f85c0d05b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3353] <... futex resumed>) = 0 [ 38.650677][ T3355] vfs_symlink+0x29e/0x470 [ 38.655144][ T3355] do_symlinkat+0x24a/0x5d0 [ 38.659720][ T3355] __x64_sys_symlinkat+0x99/0xb0 [ 38.664714][ T3355] x64_sys_call+0x74b/0x9a0 [ 38.669300][ T3355] do_syscall_64+0x4c/0xa0 [ 38.673764][ T3355] ? clear_bhb_loop+0x50/0xa0 [ 38.678500][ T3355] ? clear_bhb_loop+0x50/0xa0 [ 38.683275][ T3355] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 38.689244][ T3355] RIP: 0033:0x7f85c0c564d9 [pid 3371] futex(0x7f85c0d05b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3350] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3350] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0bf3990, parent_tid=0x7f85c0bf3990, exit_signal=0, stack=0x7f85c0bd3000, stack_size=0x20240, tls=0x7f85c0bf36c0} => {parent_tid=[3372]}, 88) = 3372 [pid 3350] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3350] futex(0x7f85c0d05b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3350] futex(0x7f85c0d05b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3372 attached [pid 3372] set_robust_list(0x7f85c0bf39a0, 24) = 0 [pid 3372] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3372] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = -1 ENOENT (No such file or directory) [pid 3372] futex(0x7f85c0d05b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3350] <... futex resumed>) = 0 [ 38.693736][ T3355] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 38.713703][ T3355] RSP: 002b:00007f85c0c35168 EFLAGS: 00000246 ORIG_RAX: 000000000000010a [ 38.722496][ T3355] RAX: ffffffffffffffda RBX: 00007f85c0d05b28 RCX: 00007f85c0c564d9 [ 38.730593][ T3355] RDX: 0000200000000340 RSI: 00000000ffffff9c RDI: 0000200000000300 [ 38.738602][ T3355] RBP: 00007f85c0d05b20 R08: 00007f85c0c35cdc R09: 0000000000000000 [pid 3372] futex(0x7f85c0d05b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3349] exit_group(0 [pid 3360] <... futex resumed>) = ? [pid 3349] <... exit_group resumed>) = ? [pid 3360] +++ exited with 0 +++ [pid 3359] <... unlinkat resumed>) = ? [pid 3355] <... symlinkat resumed>) = ? [pid 3368] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3367] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3366] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3365] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3364] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3362] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3359] +++ exited with 0 +++ [pid 3358] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3357] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3368] futex(0x7f85c0d05b3c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3367] futex(0x7f85c0d05b3c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3366] futex(0x7f85c0d05b3c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3365] futex(0x7f85c0d05b3c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3364] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3362] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3358] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3368] <... futex resumed>) = 0 [pid 3367] <... futex resumed>) = 0 [pid 3366] <... futex resumed>) = 0 [pid 3365] <... futex resumed>) = 0 [pid 3364] <... futex resumed>) = 0 [pid 3363] exit_group(0 [pid 3362] <... futex resumed>) = 0 [pid 3361] exit_group(0 [pid 3358] <... futex resumed>) = 0 [pid 3357] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3353] exit_group(0 [pid 3350] exit_group(0 [pid 3372] <... futex resumed>) = ? [pid 3371] <... futex resumed>) = ? [pid 3370] <... futex resumed>) = ? [pid 3369] <... futex resumed>) = ? [pid 3363] <... exit_group resumed>) = ? [pid 3361] <... exit_group resumed>) = ? [pid 3357] <... futex resumed>) = ? [pid 3355] +++ exited with 0 +++ [pid 3353] <... exit_group resumed>) = ? [pid 3350] <... exit_group resumed>) = ? [pid 3349] +++ exited with 0 +++ [pid 3372] +++ exited with 0 +++ [pid 3371] +++ exited with 0 +++ [pid 3370] +++ exited with 0 +++ [pid 3369] +++ exited with 0 +++ [pid 3368] +++ exited with 0 +++ [pid 3367] +++ exited with 0 +++ [pid 3366] +++ exited with 0 +++ [pid 3365] +++ exited with 0 +++ [pid 3364] +++ exited with 0 +++ [pid 3363] +++ exited with 0 +++ [pid 3362] +++ exited with 0 +++ [pid 3361] +++ exited with 0 +++ [pid 3358] +++ exited with 0 +++ [pid 3357] +++ exited with 0 +++ [pid 3353] +++ exited with 0 +++ [pid 3350] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3349, si_uid=0, si_status=0, si_utime=0, si_stime=70 /* 0.70 s */} --- [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3361, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3363, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3350, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3353, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555810c5750) = 3373 ci2-android-5-15/strace-static-x86_64: Process 3373 attached [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3373] set_robust_list(0x5555810c5760, 24) = 0 [pid 3373] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3373] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3373] setpgid(0, 0) = 0 [pid 3373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3373] write(3, "1000", 4 [pid 312] <... restart_syscall resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 3373] <... write resumed>) = 4 [pid 3373] close(3 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3373] <... close resumed>) = 0 [pid 3373] write(1, "executing program\n", 18) = 18 [pid 3373] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3373] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3374 [pid 3373] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3373] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3373] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3373] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3375 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3373] <... mprotect resumed>) = 0 [pid 3373] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 executing program [pid 3373] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3376 [pid 3373] <... clone3 resumed> => {parent_tid=[3377]}, 88) = 3377 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3373] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3373] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3373] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3373] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3376 attached [pid 3376] set_robust_list(0x5555810c5760, 24) = 0 [pid 3376] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3376] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3376] setpgid(0, 0) = 0 [pid 3376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3376] write(3, "1000", 4) = 4 [pid 3376] close(3) = 0 [pid 3376] write(1, "executing program\n", 18) = 18 [pid 3376] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 3376] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3376] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3376] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3376] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3376] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3376] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[3378]}, 88) = 3378 [pid 3376] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3376] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3376] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3377 attached [pid 3377] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3377] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3377] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3377] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3373] <... futex resumed>) = 0 [pid 3373] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3373] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3377] <... futex resumed>) = 1 [pid 3377] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3377] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3373] <... futex resumed>) = 0 [pid 3373] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3373] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3377] <... futex resumed>) = 1 [pid 3377] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3377] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3373] <... futex resumed>) = 0 [pid 3373] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3373] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3377] <... futex resumed>) = 1 [pid 3377] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3377] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3373] <... futex resumed>) = 0 [pid 3373] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3373] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3377] <... futex resumed>) = 1 [pid 3377] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777ci2-android-5-15/strace-static-x86_64: Process 3375 attached ci2-android-5-15/strace-static-x86_64: Process 3374 attached ) = 0 [pid 3377] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3373] <... futex resumed>) = 0 [pid 3373] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3373] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3377] <... futex resumed>) = 1 [pid 3377] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3377] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3373] <... futex resumed>) = 0 [pid 3373] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3373] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3375] set_robust_list(0x5555810c5760, 24) = 0 [pid 3374] set_robust_list(0x5555810c5760, 24 [pid 3377] <... futex resumed>) = 1 [pid 3377] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3375] rt_sigprocmask(SIG_SETMASK, [] [pid 3374] <... set_robust_list resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3375] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3377] <... unlinkat resumed>) = 0 [pid 3377] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3373] <... futex resumed>) = 0 [pid 3373] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3373] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3377] <... futex resumed>) = 1 [pid 3377] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3379 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3375] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3375] <... prctl resumed>) = 0 [pid 3374] rt_sigprocmask(SIG_SETMASK, [] [pid 3375] setpgid(0, 0) = 0 [pid 3374] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3377] <... unlinkat resumed>) = 0 [pid 3375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3374] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3377] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3373] <... futex resumed>) = 0 [pid 3375] <... openat resumed>) = 3 [pid 3374] <... prctl resumed>) = 0 [pid 3373] exit_group(0) = ? [pid 3377] <... futex resumed>) = ? [pid 3375] write(3, "1000", 4 [pid 3374] setpgid(0, 0ci2-android-5-15/strace-static-x86_64: Process 3378 attached [pid 3375] <... write resumed>) = 4 [pid 3374] <... setpgid resumed>) = 0 [pid 3375] close(3 [pid 3377] +++ exited with 0 +++ [pid 3374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3373] +++ exited with 0 +++ [pid 3375] <... close resumed>) = 0 executing program [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3373, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3375] write(1, "executing program\n", 18 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3375] <... write resumed>) = 18 [pid 3374] <... openat resumed>) = 3 [pid 3375] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3374] write(3, "1000", 4ci2-android-5-15/strace-static-x86_64: Process 3379 attached [pid 3379] set_robust_list(0x5555810c5760, 24) = 0 [pid 3379] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3379] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3379] setpgid(0, 0) = 0 [pid 3379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3378] set_robust_list(0x7f85c0c359a0, 24 [pid 3375] <... futex resumed>) = 0 [pid 3374] <... write resumed>) = 4 [pid 3375] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3379] write(3, "1000", 4 [pid 3378] <... set_robust_list resumed>) = 0 [pid 3374] close(3 [pid 3375] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 3379] <... write resumed>) = 4 [pid 3379] close(3 [pid 3375] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3374] <... close resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3375] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3374] write(1, "executing program\n", 18 [pid 3379] <... close resumed>) = 0 [pid 3379] write(1, "executing program\n", 18) = 18 [pid 3379] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3379] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3379] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3375] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3374] <... write resumed>) = 18 [pid 3375] <... mmap resumed>) = 0x7f85c0c15000 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3380 [pid 3375] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3374] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3375] <... mprotect resumed>) = 0 executing program executing program [pid 3374] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3379] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3379] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3375] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3374] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3375] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3375] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3378] rt_sigprocmask(SIG_SETMASK, [] [pid 3374] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3379] <... mmap resumed>) = 0x7f85c0c15000 [pid 3379] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3378] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3374] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3379] <... mprotect resumed>) = 0 [pid 3379] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3379] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[3382]}, 88) = 3382 [pid 3379] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3379] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3379] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3380 attached [pid 3380] set_robust_list(0x5555810c5760, 24) = 0 [pid 3380] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3380] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3380] setpgid(0, 0) = 0 [pid 3380] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ci2-android-5-15/strace-static-x86_64: Process 3381 attached [pid 3381] set_robust_list(0x7f85c0c359a0, 24 [pid 3380] write(3, "1000", 4) = 4 [pid 3380] close(3 [pid 3381] <... set_robust_list resumed>) = 0 [pid 3380] <... close resumed>) = 0 [pid 3381] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3381] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3380] write(1, "executing program\n", 18) = 18 executing program [pid 3380] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3380] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3380] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3380] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3375] <... clone3 resumed> => {parent_tid=[3381]}, 88) = 3381 [pid 3374] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3378] mkdirat(AT_FDCWD, "./config", 0777 [pid 3375] rt_sigprocmask(SIG_SETMASK, [] [pid 3374] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3375] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3378] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3374] <... mmap resumed>) = 0x7f85c0c15000 [pid 3375] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3374] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3378] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3375] <... futex resumed>) = 1 [pid 3374] <... mprotect resumed>) = 0 [pid 3378] <... futex resumed>) = 1 [pid 3376] <... futex resumed>) = 0 [pid 3375] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3378] mount(NULL, "./config", "configfs", 0, NULL [pid 3376] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3374] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3376] <... futex resumed>) = 0 [pid 3376] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3374] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3381] <... futex resumed>) = 0 [pid 3378] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3374] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3381] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3381] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3375] <... futex resumed>) = 0 [pid 3378] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3375] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3374] <... clone3 resumed> => {parent_tid=[3383]}, 88) = 3383 [pid 3378] <... futex resumed>) = 1 [pid 3376] <... futex resumed>) = 0 [pid 3375] <... futex resumed>) = 0 [pid 3374] rt_sigprocmask(SIG_SETMASK, [] [pid 3378] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3376] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3375] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3374] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3378] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3376] <... futex resumed>) = 0 [pid 3378] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3376] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3374] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3378] <... futex resumed>) = 0 [pid 3376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3374] <... futex resumed>) = 0 [pid 3378] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3376] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3378] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3376] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3374] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3378] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3381] mount(NULL, "./config", "configfs", 0, NULL [pid 3378] <... mkdirat resumed>) = -1 EEXIST (File exists) [ 38.746636][ T3355] R10: 00007f85c0c35cdc R11: 0000000000000246 R12: 00007f85c0d05b2c [ 38.754682][ T3355] R13: 0000000000000000 R14: 00007fffb5126ec0 R15: 00007fffb5126fa8 [ 38.762736][ T3355] [ 38.765771][ T3355] ---[ end trace a39d22c94263b9e0 ]--- [pid 3381] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3378] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3381] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3381] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3375] <... futex resumed>) = 0 [pid 3378] <... futex resumed>) = 1 [pid 3376] <... futex resumed>) = 0 [pid 3375] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3378] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3376] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3375] <... futex resumed>) = 1 [pid 3376] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3375] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3381] <... futex resumed>) = 0 [pid 3378] <... mkdirat resumed>) = 0 [pid 3381] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3378] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3376] <... futex resumed>) = 0 [pid 3378] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3376] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3378] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3376] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3382 attached [pid 3381] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3378] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3376] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3381] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3381] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3375] <... futex resumed>) = 0 [pid 3378] <... symlinkat resumed>) = 0 [pid 3382] set_robust_list(0x7f85c0c359a0, 24 [pid 3378] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3375] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3382] <... set_robust_list resumed>) = 0 [pid 3378] <... futex resumed>) = 1 [pid 3376] <... futex resumed>) = 0 [pid 3375] <... futex resumed>) = 0 [pid 3382] rt_sigprocmask(SIG_SETMASK, [] [pid 3378] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3376] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3375] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3382] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3378] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3376] <... futex resumed>) = 0 [pid 3376] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3378] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3382] mkdirat(AT_FDCWD, "./config", 0777 [pid 3381] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3381] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3378] <... unlinkat resumed>) = 0 [pid 3382] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3378] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3382] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3381] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3378] <... futex resumed>) = 1 [pid 3376] <... futex resumed>) = 0 [pid 3382] <... futex resumed>) = 1 [pid 3381] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3380] <... mmap resumed>) = 0x7f85c0c15000 [pid 3379] <... futex resumed>) = 0 [pid 3378] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3376] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3382] mount(NULL, "./config", "configfs", 0, NULL [pid 3381] <... futex resumed>) = 1 [pid 3380] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3379] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3378] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3376] <... futex resumed>) = 0 [pid 3375] <... futex resumed>) = 0 [pid 3381] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3380] <... mprotect resumed>) = 0 [pid 3379] <... futex resumed>) = 0 [pid 3378] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3376] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3375] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3382] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3381] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3380] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3379] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3375] <... futex resumed>) = 0 [pid 3381] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3380] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3378] <... unlinkat resumed>) = 0 [pid 3375] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3382] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3378] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3382] <... futex resumed>) = 1 [pid 3381] <... mkdirat resumed>) = 0 [pid 3380] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3379] <... futex resumed>) = 0 [pid 3378] <... futex resumed>) = 1 [pid 3376] <... futex resumed>) = 0 [pid 3382] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3381] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3379] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3378] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3376] exit_group(0 [pid 3382] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3381] <... futex resumed>) = 1 [pid 3380] <... clone3 resumed> => {parent_tid=[3384]}, 88) = 3384 [pid 3379] <... futex resumed>) = 0 [pid 3376] <... exit_group resumed>) = ? [pid 3378] <... futex resumed>) = ? [pid 3375] <... futex resumed>) = 0 [pid 3381] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3380] rt_sigprocmask(SIG_SETMASK, [] [pid 3379] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3375] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3381] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3380] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3375] <... futex resumed>) = 0 [pid 3375] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3381] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3380] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3381] <... symlinkat resumed>) = 0 [pid 3380] <... futex resumed>) = 0 [pid 3381] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3380] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3382] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3381] <... futex resumed>) = 1 [pid 3378] +++ exited with 0 +++ [pid 3376] +++ exited with 0 +++ [pid 3375] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3383 attached [pid 3381] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3375] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3376, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3383] set_robust_list(0x7f85c0c359a0, 24 [pid 3382] <... futex resumed>) = 1 [pid 3381] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3379] <... futex resumed>) = 0 [pid 3375] <... futex resumed>) = 0 [pid 3383] <... set_robust_list resumed>) = 0 [pid 3381] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3383] rt_sigprocmask(SIG_SETMASK, [] [pid 3382] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3381] <... unlinkat resumed>) = 0 [pid 3379] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3375] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3383] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3382] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3381] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3379] <... futex resumed>) = 0 [pid 3383] mkdirat(AT_FDCWD, "./config", 0777 [pid 3381] <... futex resumed>) = 0 [pid 3375] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3383] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3382] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3381] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3379] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3383] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3382] <... futex resumed>) = 0 [pid 3379] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3375] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3384 attached [pid 3383] <... futex resumed>) = 1 [pid 3382] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3374] <... futex resumed>) = 0 [pid 3383] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3384] set_robust_list(0x7f85c0c359a0, 24 [pid 3382] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3381] <... futex resumed>) = 0 [pid 3379] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3375] <... futex resumed>) = 1 [pid 3374] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3384] <... set_robust_list resumed>) = 0 [pid 3382] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3381] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3379] <... futex resumed>) = 0 [pid 3375] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3374] <... futex resumed>) = 1 [pid 3384] rt_sigprocmask(SIG_SETMASK, [] [pid 3383] <... futex resumed>) = 0 [pid 3382] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3381] <... unlinkat resumed>) = 0 [pid 3379] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3374] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3384] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3383] mount(NULL, "./config", "configfs", 0, NULL [pid 3382] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3381] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3379] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3382] <... futex resumed>) = 0 [pid 3381] <... futex resumed>) = 1 [pid 3379] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3375] <... futex resumed>) = 0 [pid 3383] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3384] mkdirat(AT_FDCWD, "./config", 0777 [pid 3382] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3381] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3379] <... futex resumed>) = 0 [pid 3375] exit_group(0 [pid 3384] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3383] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3382] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3381] <... futex resumed>) = ? [pid 3379] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3375] <... exit_group resumed>) = ? [pid 3384] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3383] <... futex resumed>) = 1 [pid 3382] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3381] +++ exited with 0 +++ [pid 3379] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3374] <... futex resumed>) = 0 [pid 3384] <... futex resumed>) = 1 [pid 3383] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3380] <... futex resumed>) = 0 [pid 3384] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3380] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3380] <... futex resumed>) = 0 [pid 3384] mount(NULL, "./config", "configfs", 0, NULL [pid 3380] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3384] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3375] +++ exited with 0 +++ [pid 3379] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3374] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3382] <... futex resumed>) = 0 [pid 3379] <... futex resumed>) = 0 [pid 3384] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3383] <... futex resumed>) = 0 [pid 3374] <... futex resumed>) = 1 [pid 3384] <... futex resumed>) = 1 [pid 3383] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3382] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3380] <... futex resumed>) = 0 [pid 3379] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3374] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3375, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3384] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3383] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3380] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3383] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3382] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3380] <... futex resumed>) = 0 [pid 3374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3384] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3383] <... futex resumed>) = 0 [pid 3382] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3380] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3374] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3384] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3383] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3382] <... futex resumed>) = 1 [pid 3379] <... futex resumed>) = 0 [pid 3374] <... futex resumed>) = 0 [pid 3384] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3383] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3382] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3379] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3374] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3384] <... futex resumed>) = 1 [pid 3383] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3382] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3380] <... futex resumed>) = 0 [pid 3379] <... futex resumed>) = 0 [pid 3374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3384] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3383] <... futex resumed>) = 0 [pid 3382] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3380] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3379] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3374] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3383] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3382] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3380] <... futex resumed>) = 0 [pid 3384] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3383] <... mkdirat resumed>) = 0 [pid 3380] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3374] <... futex resumed>) = 0 [pid 3384] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3383] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3382] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3374] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3384] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3383] <... futex resumed>) = 0 [pid 3382] <... futex resumed>) = 1 [pid 3379] <... futex resumed>) = 0 [pid 3374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3384] <... futex resumed>) = 1 [pid 3383] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3382] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3380] <... futex resumed>) = 0 [pid 3384] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3380] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3379] exit_group(0 [pid 3374] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3380] <... futex resumed>) = 0 [pid 3379] <... exit_group resumed>) = ? [pid 3384] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3383] <... futex resumed>) = 0 [pid 3382] <... futex resumed>) = ? [pid 3380] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3374] <... futex resumed>) = 1 [pid 3384] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3383] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3384] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3383] <... symlinkat resumed>) = 0 [pid 3384] <... futex resumed>) = 1 [pid 3383] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3380] <... futex resumed>) = 0 [pid 3384] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3383] <... futex resumed>) = 0 [pid 3380] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3383] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3382] +++ exited with 0 +++ [pid 3380] <... futex resumed>) = 0 [pid 3379] +++ exited with 0 +++ [pid 3384] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3380] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3374] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 3384] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3384] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3374] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3379, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3384] <... futex resumed>) = 1 [pid 3383] <... futex resumed>) = 0 [pid 3380] <... futex resumed>) = 0 [pid 3374] <... futex resumed>) = 1 [pid 3384] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3383] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3380] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3383] <... unlinkat resumed>) = 0 [pid 3380] <... futex resumed>) = 0 [pid 3374] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3384] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3383] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3380] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 3384] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3383] <... futex resumed>) = 0 [pid 3374] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3384] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3383] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3374] <... futex resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3384] <... futex resumed>) = 1 [pid 3383] <... unlinkat resumed>) = 0 [pid 3380] <... futex resumed>) = 0 [pid 3374] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3384] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3383] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3380] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3383] <... futex resumed>) = 0 [pid 3380] <... futex resumed>) = 0 [pid 3384] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3383] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3380] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3384] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3384] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3380] <... futex resumed>) = 0 [pid 3384] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3380] exit_group(0 [pid 3374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3385 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3386 [pid 3384] <... futex resumed>) = ? [pid 3380] <... exit_group resumed>) = ? [pid 3374] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 3386 attached ci2-android-5-15/strace-static-x86_64: Process 3385 attached [pid 3384] +++ exited with 0 +++ [pid 3383] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 3380] +++ exited with 0 +++ [pid 3374] <... exit_group resumed>) = ? [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3383] +++ exited with 0 +++ [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3374] +++ exited with 0 +++ [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3380, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3386] set_robust_list(0x5555810c5760, 24 [pid 3385] set_robust_list(0x5555810c5760, 24 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3374, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3386] <... set_robust_list resumed>) = 0 [pid 3385] <... set_robust_list resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3386] rt_sigprocmask(SIG_SETMASK, [] [pid 3385] rt_sigprocmask(SIG_SETMASK, [] [pid 3386] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3385] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3387 ci2-android-5-15/strace-static-x86_64: Process 3387 attached [pid 3386] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3385] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3386] <... prctl resumed>) = 0 [pid 3385] <... prctl resumed>) = 0 [pid 3386] setpgid(0, 0 [pid 3385] setpgid(0, 0 [pid 3387] set_robust_list(0x5555810c5760, 24 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3386] <... setpgid resumed>) = 0 [pid 3387] <... set_robust_list resumed>) = 0 [pid 3386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3385] <... setpgid resumed>) = 0 [pid 3387] rt_sigprocmask(SIG_SETMASK, [] [pid 3386] <... openat resumed>) = 3 [pid 3385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3386] write(3, "1000", 4) = 4 [pid 3386] close(3) = 0 [pid 3386] write(1, "executing program\n", 18 [pid 3385] <... openat resumed>) = 3 [pid 3386] <... write resumed>) = 18 executing program [pid 3386] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3386] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3386] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3387] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3385] write(3, "1000", 4 [pid 3386] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3386] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3386] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3387] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3386] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3385] <... write resumed>) = 4 [pid 3387] <... prctl resumed>) = 0 [pid 3386] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3386] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[3388]}, 88) = 3388 ci2-android-5-15/strace-static-x86_64: Process 3388 attached [pid 3387] setpgid(0, 0 [pid 3385] close(3 [pid 3386] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... restart_syscall resumed>) = 0 [pid 3386] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3388] set_robust_list(0x7f85c0c359a0, 24 [pid 3387] <... setpgid resumed>) = 0 [pid 3386] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3385] <... close resumed>) = 0 [pid 3386] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3386] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3388] <... set_robust_list resumed>) = 0 [pid 3387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3385] write(1, "executing program\n", 18ci2-android-5-15/strace-static-x86_64: Process 3389 attached [pid 304] <... restart_syscall resumed>) = 0 [pid 3389] set_robust_list(0x5555810c5760, 24 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3389 executing program [pid 3389] <... set_robust_list resumed>) = 0 [pid 3387] <... openat resumed>) = 3 [pid 3385] <... write resumed>) = 18 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3389] rt_sigprocmask(SIG_SETMASK, [] [pid 3388] rt_sigprocmask(SIG_SETMASK, [] [pid 3387] write(3, "1000", 4 [pid 3385] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3389] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3387] <... write resumed>) = 4 [pid 3385] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3389] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3388] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3387] close(3 [pid 3385] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3389] <... prctl resumed>) = 0 [pid 3387] <... close resumed>) = 0 [pid 3385] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3389] setpgid(0, 0) = 0 [pid 3389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3387] write(1, "executing program\n", 18 executing program [pid 3385] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3389] write(3, "1000", 4 [pid 3387] <... write resumed>) = 18 [pid 3385] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3390 [pid 3389] <... write resumed>) = 4 [pid 3387] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3385] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3389] close(3 [pid 3387] <... futex resumed>) = 0 [pid 3385] <... mmap resumed>) = 0x7f85c0c15000 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3389] <... close resumed>) = 0 [pid 3387] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3385] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3387] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3385] <... mprotect resumed>) = 0 [pid 3389] write(1, "executing program\n", 18 [pid 3387] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3385] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3387] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3385] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3387] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3385] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3387] <... mmap resumed>) = 0x7f85c0c15000 [pid 3389] <... write resumed>) = 18 [pid 3389] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 3387] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3389] <... futex resumed>) = 0 [pid 3387] <... mprotect resumed>) = 0 [pid 3385] <... clone3 resumed> => {parent_tid=[3391]}, 88) = 3391 [pid 3389] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3387] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3385] rt_sigprocmask(SIG_SETMASK, [] [pid 3387] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3385] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3387] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3385] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3389] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3389] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3385] <... futex resumed>) = 0 [pid 3389] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3387] <... clone3 resumed> => {parent_tid=[3392]}, 88) = 3392 [pid 3389] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3387] rt_sigprocmask(SIG_SETMASK, [] [pid 3385] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3392 attached ci2-android-5-15/strace-static-x86_64: Process 3391 attached [pid 3389] <... mmap resumed>) = 0x7f85c0c15000 [pid 3387] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3388] mkdirat(AT_FDCWD, "./config", 0777ci2-android-5-15/strace-static-x86_64: Process 3390 attached [pid 3389] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3387] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3390] set_robust_list(0x5555810c5760, 24 [pid 3389] <... mprotect resumed>) = 0 [pid 3387] <... futex resumed>) = 0 [pid 3390] <... set_robust_list resumed>) = 0 [pid 3389] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3392] set_robust_list(0x7f85c0c359a0, 24 [pid 3391] set_robust_list(0x7f85c0c359a0, 24 [pid 3388] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3387] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3389] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3389] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0}ci2-android-5-15/strace-static-x86_64: Process 3393 attached [pid 3392] <... set_robust_list resumed>) = 0 [pid 3391] <... set_robust_list resumed>) = 0 [pid 3390] rt_sigprocmask(SIG_SETMASK, [] [pid 3388] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3389] <... clone3 resumed> => {parent_tid=[3393]}, 88) = 3393 [pid 3389] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3389] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3392] rt_sigprocmask(SIG_SETMASK, [] [pid 3391] rt_sigprocmask(SIG_SETMASK, [] [pid 3390] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3389] <... futex resumed>) = 0 [pid 3388] <... futex resumed>) = 1 [pid 3386] <... futex resumed>) = 0 [pid 3393] set_robust_list(0x7f85c0c359a0, 24 [pid 3389] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3386] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3386] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3392] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3392] mkdirat(AT_FDCWD, "./config", 0777 [pid 3388] mount(NULL, "./config", "configfs", 0, NULL [pid 3392] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3390] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3392] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3387] <... futex resumed>) = 0 [pid 3392] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3387] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3387] <... futex resumed>) = 0 [pid 3392] mount(NULL, "./config", "configfs", 0, NULL [pid 3387] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3392] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3391] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3390] <... prctl resumed>) = 0 [pid 3388] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3392] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3391] mkdirat(AT_FDCWD, "./config", 0777 [pid 3390] setpgid(0, 0 [pid 3388] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3387] <... futex resumed>) = 0 [pid 3393] <... set_robust_list resumed>) = 0 [pid 3392] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3387] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3391] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3390] <... setpgid resumed>) = 0 [pid 3388] <... futex resumed>) = 1 [pid 3387] <... futex resumed>) = 0 [pid 3386] <... futex resumed>) = 0 [pid 3392] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3388] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3387] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3391] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3390] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3386] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3393] rt_sigprocmask(SIG_SETMASK, [] [pid 3392] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3388] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3386] <... futex resumed>) = 0 [pid 3392] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3388] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3386] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3392] <... futex resumed>) = 1 [pid 3391] <... futex resumed>) = 1 [pid 3390] <... openat resumed>) = 3 [pid 3388] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3387] <... futex resumed>) = 0 [pid 3385] <... futex resumed>) = 0 [pid 3392] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3391] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3390] write(3, "1000", 4 [pid 3388] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3387] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3385] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3393] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3391] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3390] <... write resumed>) = 4 [pid 3388] <... futex resumed>) = 1 [pid 3387] <... futex resumed>) = 0 [pid 3386] <... futex resumed>) = 0 [pid 3385] <... futex resumed>) = 0 [pid 3392] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3391] mount(NULL, "./config", "configfs", 0, NULL [pid 3390] close(3 [pid 3388] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3387] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3386] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3385] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3392] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3391] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3390] <... close resumed>) = 0 [pid 3388] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3386] <... futex resumed>) = 0 [pid 3392] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3391] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3390] write(1, "executing program\n", 18 executing program [pid 3388] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3386] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3393] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3392] <... futex resumed>) = 1 [pid 3391] <... futex resumed>) = 1 [pid 3390] <... write resumed>) = 18 [pid 3388] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3387] <... futex resumed>) = 0 [pid 3385] <... futex resumed>) = 0 [pid 3393] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3392] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3391] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3390] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3388] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3387] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3385] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3393] <... futex resumed>) = 1 [pid 3392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3391] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3390] <... futex resumed>) = 0 [pid 3389] <... futex resumed>) = 0 [pid 3388] <... futex resumed>) = 1 [pid 3387] <... futex resumed>) = 0 [pid 3386] <... futex resumed>) = 0 [pid 3385] <... futex resumed>) = 0 [pid 3393] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3392] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3391] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3390] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3389] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3388] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3387] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3386] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3385] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3392] <... mkdirat resumed>) = 0 [pid 3391] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3390] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3389] <... futex resumed>) = 0 [pid 3388] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3386] <... futex resumed>) = 0 [pid 3393] mount(NULL, "./config", "configfs", 0, NULL [pid 3392] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3391] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3390] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3389] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3388] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3386] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3393] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3392] <... futex resumed>) = 1 [pid 3391] <... futex resumed>) = 1 [pid 3390] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3388] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3387] <... futex resumed>) = 0 [pid 3385] <... futex resumed>) = 0 [pid 3393] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3392] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3391] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3390] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3388] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3387] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3385] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3393] <... futex resumed>) = 1 [pid 3392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3391] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3390] <... mmap resumed>) = 0x7f85c0c15000 [pid 3389] <... futex resumed>) = 0 [pid 3388] <... futex resumed>) = 1 [pid 3387] <... futex resumed>) = 0 [pid 3386] <... futex resumed>) = 0 [pid 3385] <... futex resumed>) = 0 [pid 3393] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3392] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3391] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3390] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3389] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3388] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3387] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3386] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3385] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3392] <... symlinkat resumed>) = 0 [pid 3391] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3390] <... mprotect resumed>) = 0 [pid 3389] <... futex resumed>) = 0 [pid 3388] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3386] <... futex resumed>) = 0 [pid 3393] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3392] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3391] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3390] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3389] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3388] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3393] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3392] <... futex resumed>) = 1 [pid 3391] <... futex resumed>) = 1 [pid 3390] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3388] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3387] <... futex resumed>) = 0 [pid 3386] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3385] <... futex resumed>) = 0 [pid 3393] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3392] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3391] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3390] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3388] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3387] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3386] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3385] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3393] <... futex resumed>) = 1 [pid 3392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3391] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3389] <... futex resumed>) = 0 [pid 3388] <... futex resumed>) = 0 [pid 3385] <... futex resumed>) = 0 [pid 3393] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3392] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3391] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3390] <... clone3 resumed> => {parent_tid=[3394]}, 88) = 3394 [pid 3389] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3388] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3387] <... futex resumed>) = 0 [pid 3386] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3385] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3392] <... unlinkat resumed>) = 0 [pid 3391] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3390] rt_sigprocmask(SIG_SETMASK, [] [pid 3389] <... futex resumed>) = 0 [pid 3388] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3387] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3386] <... futex resumed>) = 0 [pid 3393] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3392] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3391] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3390] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3389] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3388] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3387] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3386] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3393] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3392] <... futex resumed>) = 0 [pid 3391] <... futex resumed>) = 1 [pid 3390] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3388] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3387] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3385] <... futex resumed>) = 0 [pid 3393] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3392] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3391] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3390] <... futex resumed>) = 0 [pid 3388] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3387] <... futex resumed>) = 0 [pid 3385] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3393] <... futex resumed>) = 1 [pid 3392] <... unlinkat resumed>) = 0 [pid 3391] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3390] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3389] <... futex resumed>) = 0 [pid 3388] <... futex resumed>) = 1 [pid 3387] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3386] <... futex resumed>) = 0 [pid 3385] <... futex resumed>) = 0 [pid 3393] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3392] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3391] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3389] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3388] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3387] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3386] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3385] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3392] <... futex resumed>) = 0 [pid 3391] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3389] <... futex resumed>) = 0 [pid 3388] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3387] exit_group(0 [pid 3393] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3391] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3389] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3388] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3387] <... exit_group resumed>) = ? [pid 3386] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3394 attached [pid 3393] <... mkdirat resumed>) = 0 [pid 3392] +++ exited with 0 +++ [pid 3391] <... futex resumed>) = 1 [pid 3388] <... unlinkat resumed>) = 0 [pid 3387] +++ exited with 0 +++ [pid 3386] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3385] <... futex resumed>) = 0 [pid 3394] set_robust_list(0x7f85c0c359a0, 24 [pid 3393] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3391] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3388] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3386] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3385] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3394] <... set_robust_list resumed>) = 0 [pid 3393] <... futex resumed>) = 1 [pid 3391] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3389] <... futex resumed>) = 0 [pid 3388] <... futex resumed>) = 0 [pid 3386] exit_group(0 [pid 3385] <... futex resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3387, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3394] rt_sigprocmask(SIG_SETMASK, [] [pid 3393] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3391] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3389] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3386] <... exit_group resumed>) = ? [pid 3385] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3394] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3391] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3389] <... futex resumed>) = 0 [pid 3388] +++ exited with 0 +++ [pid 3386] +++ exited with 0 +++ [pid 3394] mkdirat(AT_FDCWD, "./config", 0777 [pid 3393] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3391] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3389] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3386, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3394] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3393] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3391] <... futex resumed>) = 1 [pid 3385] <... futex resumed>) = 0 [pid 3394] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3393] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3391] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3385] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3394] <... futex resumed>) = 1 [pid 3393] <... futex resumed>) = 1 [pid 3391] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3390] <... futex resumed>) = 0 [pid 3389] <... futex resumed>) = 0 [pid 3385] <... futex resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 3394] mount(NULL, "./config", "configfs", 0, NULL [pid 3393] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3391] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3390] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3389] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3385] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3394] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3391] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3390] <... futex resumed>) = 0 [pid 3389] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3394] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3393] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3391] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3390] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3389] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3394] <... futex resumed>) = 0 [pid 3393] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3391] <... futex resumed>) = 1 [pid 3390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3385] <... futex resumed>) = 0 [pid 3394] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3391] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3390] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3385] exit_group(0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 3395 attached [pid 3394] <... futex resumed>) = 0 [pid 3393] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3391] <... futex resumed>) = ? [pid 3390] <... futex resumed>) = 1 [pid 3385] <... exit_group resumed>) = ? [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3395 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3395] set_robust_list(0x5555810c5760, 24 [pid 3394] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3393] <... futex resumed>) = 1 [pid 3391] +++ exited with 0 +++ [pid 3390] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3389] <... futex resumed>) = 0 [pid 3394] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3389] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3394] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3389] <... futex resumed>) = 0 [pid 3394] <... futex resumed>) = 0 [pid 3389] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3394] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3385] +++ exited with 0 +++ [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3385, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3395] <... set_robust_list resumed>) = 0 [pid 3393] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3396 attached [pid 3395] rt_sigprocmask(SIG_SETMASK, [] [pid 3393] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3390] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3396] set_robust_list(0x5555810c5760, 24 [pid 3395] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3394] <... futex resumed>) = 0 [pid 3393] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3390] <... futex resumed>) = 1 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3396 [pid 3395] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3394] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3393] <... futex resumed>) = 1 [pid 3390] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3389] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3396] <... set_robust_list resumed>) = 0 [pid 3395] <... prctl resumed>) = 0 [pid 3394] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3393] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3389] exit_group(0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3396] rt_sigprocmask(SIG_SETMASK, [] [pid 3395] setpgid(0, 0 [pid 3394] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3393] <... futex resumed>) = ? [pid 3389] <... exit_group resumed>) = ? [pid 3396] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3395] <... setpgid resumed>) = 0 [pid 3394] <... futex resumed>) = 1 [pid 3393] +++ exited with 0 +++ [pid 3390] <... futex resumed>) = 0 [pid 3394] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3396] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3389] +++ exited with 0 +++ [pid 3390] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3394] <... futex resumed>) = 0 [pid 3390] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3389, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3394] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3396] <... prctl resumed>) = 0 [pid 3394] <... mkdirat resumed>) = 0 [pid 3396] setpgid(0, 0 [pid 3395] <... openat resumed>) = 3 [pid 3394] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3396] <... setpgid resumed>) = 0 [pid 3395] write(3, "1000", 4 [pid 3394] <... futex resumed>) = 1 [pid 3390] <... futex resumed>) = 0 [pid 3395] <... write resumed>) = 4 [pid 3394] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3390] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3395] close(3 [pid 3394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3390] <... futex resumed>) = 0 [pid 3395] <... close resumed>) = 0 [pid 3394] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3390] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3395] write(1, "executing program\n", 18 [pid 3394] <... symlinkat resumed>) = 0 [pid 3396] <... openat resumed>) = 3 executing program [pid 3395] <... write resumed>) = 18 [pid 3394] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3396] write(3, "1000", 4 [pid 3395] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3394] <... futex resumed>) = 1 [pid 3390] <... futex resumed>) = 0 [pid 3396] <... write resumed>) = 4 [pid 3395] <... futex resumed>) = 0 [pid 3394] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3390] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3396] close(3 [pid 3395] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3390] <... futex resumed>) = 0 [pid 3396] <... close resumed>) = 0 [pid 3395] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3394] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3390] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3396] write(1, "executing program\n", 18 [pid 3395] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3394] <... unlinkat resumed>) = 0 [pid 3395] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3396] <... write resumed>) = 18 [pid 3395] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3394] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3395] <... mmap resumed>) = 0x7f85c0c15000 [pid 3394] <... futex resumed>) = 1 [pid 3390] <... futex resumed>) = 0 [pid 3396] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3395] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3394] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL executing program [pid 3390] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3396] <... futex resumed>) = 0 [pid 3395] <... mprotect resumed>) = 0 [pid 3394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3390] <... futex resumed>) = 0 [pid 3396] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3395] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3394] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3390] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... restart_syscall resumed>) = 0 [pid 3396] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3395] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3394] <... unlinkat resumed>) = 0 [pid 3395] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3396] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3394] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3397 attached [pid 3396] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3394] <... futex resumed>) = 1 [pid 3390] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... restart_syscall resumed>) = 0 [pid 3397] set_robust_list(0x7f85c0c359a0, 24 [pid 3396] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3395] <... clone3 resumed> => {parent_tid=[3397]}, 88) = 3397 [pid 3394] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3390] exit_group(0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3397] <... set_robust_list resumed>) = 0 [pid 3396] <... mmap resumed>) = 0x7f85c0c15000 [pid 3395] rt_sigprocmask(SIG_SETMASK, [] [pid 3394] <... futex resumed>) = ? [pid 3390] <... exit_group resumed>) = ? [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3397] rt_sigprocmask(SIG_SETMASK, [] [pid 3396] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3395] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3394] +++ exited with 0 +++ [pid 311] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3390] +++ exited with 0 +++ [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3398 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3390, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3396] <... mprotect resumed>) = 0 [pid 3395] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3395] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3397] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3396] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3395] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3399 [pid 3396] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3397] mkdirat(AT_FDCWD, "./config", 0777 [pid 3396] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 312] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 3399 attached [pid 3397] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3397] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3396] <... clone3 resumed> => {parent_tid=[3400]}, 88) = 3400 [pid 3396] rt_sigprocmask(SIG_SETMASK, [] [pid 3397] <... futex resumed>) = 1 [pid 3396] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3395] <... futex resumed>) = 0 [pid 3399] set_robust_list(0x5555810c5760, 24 [pid 3397] mount(NULL, "./config", "configfs", 0, NULL [pid 3396] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3395] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3396] <... futex resumed>) = 0 [pid 3395] <... futex resumed>) = 0 [pid 3396] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3395] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3397] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3399] <... set_robust_list resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3400 attached [pid 3399] rt_sigprocmask(SIG_SETMASK, [] [pid 3397] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3399] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3399] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3397] <... futex resumed>) = 1 [pid 3395] <... futex resumed>) = 0 [pid 3395] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3397] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3395] <... futex resumed>) = 0 [pid 3395] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3397] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3399] <... prctl resumed>) = 0 [pid 3397] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3399] setpgid(0, 0) = 0 [pid 3400] set_robust_list(0x7f85c0c359a0, 24 [pid 3399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3397] <... futex resumed>) = 1 [pid 3395] <... futex resumed>) = 0 [pid 3400] <... set_robust_list resumed>) = 0 [pid 3399] <... openat resumed>) = 3 [pid 3397] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3395] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3399] write(3, "1000", 4 [pid 3397] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3395] <... futex resumed>) = 0 [pid 3397] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3395] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3397] <... futex resumed>) = 0 [pid 3395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3397] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3395] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3395] <... futex resumed>) = 0 [pid 3397] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3395] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3399] <... write resumed>) = 4 [pid 3399] close(3) = 0 [pid 3399] write(1, "executing program\n", 18 [pid 3397] <... mkdirat resumed>) = 0 [pid 3397] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3399] <... write resumed>) = 18 [pid 3397] <... futex resumed>) = 1 [pid 3395] <... futex resumed>) = 0 [pid 3397] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3395] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3395] <... futex resumed>) = 0 [pid 3397] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3395] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3399] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3397] <... symlinkat resumed>) = 0 [pid 3399] <... futex resumed>) = 0 [pid 3397] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3399] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3397] <... futex resumed>) = 1 [pid 3395] <... futex resumed>) = 0 [pid 3400] rt_sigprocmask(SIG_SETMASK, [] [pid 3397] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3395] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3400] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3395] <... futex resumed>) = 0 executing program [pid 3400] mkdirat(AT_FDCWD, "./config", 0777 [pid 3397] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3395] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3399] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3400] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3397] <... unlinkat resumed>) = 0 [pid 3399] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3397] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3400] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3397] <... futex resumed>) = 1 [pid 3395] <... futex resumed>) = 0 [pid 3397] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3400] <... futex resumed>) = 1 [pid 3397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3396] <... futex resumed>) = 0 [pid 3395] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3400] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3397] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3396] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3395] <... futex resumed>) = 0 [pid 3400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3397] <... unlinkat resumed>) = 0 [pid 3396] <... futex resumed>) = 0 [pid 3395] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3400] mount(NULL, "./config", "configfs", 0, NULL [pid 3397] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3396] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3397] <... futex resumed>) = 0 [pid 3400] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3397] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3395] exit_group(0 [pid 3400] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3398 attached [pid 3399] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3397] <... futex resumed>) = ? [pid 3395] <... exit_group resumed>) = ? [pid 3399] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3398] set_robust_list(0x5555810c5760, 24 [pid 3399] <... mmap resumed>) = 0x7f85c0c15000 [pid 3398] <... set_robust_list resumed>) = 0 [pid 3399] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3398] rt_sigprocmask(SIG_SETMASK, [] [pid 3399] <... mprotect resumed>) = 0 [pid 3398] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3400] <... futex resumed>) = 1 [pid 3399] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3397] +++ exited with 0 +++ [pid 3396] <... futex resumed>) = 0 [pid 3395] +++ exited with 0 +++ [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3400] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3399] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3398] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3396] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3395, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3400] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3399] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3398] <... prctl resumed>) = 0 [pid 3396] <... futex resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 3401 attached ci2-android-5-15/strace-static-x86_64: Process 3402 attached [pid 3400] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3398] setpgid(0, 0 [pid 3396] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3401] set_robust_list(0x7f85c0c359a0, 24 [pid 3400] <... futex resumed>) = 0 [pid 3399] <... clone3 resumed> => {parent_tid=[3401]}, 88) = 3401 [pid 3396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3402 [pid 3401] <... set_robust_list resumed>) = 0 [pid 3400] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3399] rt_sigprocmask(SIG_SETMASK, [] [pid 3398] <... setpgid resumed>) = 0 [pid 3396] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3401] rt_sigprocmask(SIG_SETMASK, [] [pid 3400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3399] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3396] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3401] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3400] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3399] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3396] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3401] mkdirat(AT_FDCWD, "./config", 0777 [pid 3400] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3399] <... futex resumed>) = 0 [pid 3398] <... openat resumed>) = 3 [pid 3401] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3400] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3399] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3401] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3400] <... futex resumed>) = 1 [pid 3399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3398] write(3, "1000", 4 [pid 3396] <... futex resumed>) = 0 [pid 3401] <... futex resumed>) = 0 [pid 3400] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3399] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3398] <... write resumed>) = 4 [pid 3396] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3401] mount(NULL, "./config", "configfs", 0, NULL [pid 3400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3399] <... futex resumed>) = 0 [pid 3398] close(3 [pid 3396] <... futex resumed>) = 0 [pid 3401] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3400] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3396] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3401] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3400] <... mkdirat resumed>) = 0 [pid 3399] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3398] <... close resumed>) = 0 [pid 3401] <... futex resumed>) = 0 [pid 3400] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3401] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3400] <... futex resumed>) = 1 [pid 3396] <... futex resumed>) = 0 [pid 3400] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3398] write(1, "executing program\n", 18 [pid 3396] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3399] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3398] <... write resumed>) = 18 [pid 3396] <... futex resumed>) = 0 [pid 3401] <... futex resumed>) = 0 executing program [pid 3400] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3399] <... futex resumed>) = 1 [pid 3398] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3396] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3401] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3400] <... symlinkat resumed>) = 0 [pid 3399] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3398] <... futex resumed>) = 0 [pid 3401] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3400] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3401] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3400] <... futex resumed>) = 1 [pid 3398] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3396] <... futex resumed>) = 0 [pid 3401] <... futex resumed>) = 1 [pid 3400] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3399] <... futex resumed>) = 0 [pid 3398] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3396] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3401] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3399] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3398] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3396] <... futex resumed>) = 0 [pid 3401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3400] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3399] <... futex resumed>) = 0 [pid 3396] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3401] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3400] <... unlinkat resumed>) = 0 [pid 3399] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3398] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3401] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3400] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3398] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3401] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3400] <... futex resumed>) = 1 [pid 3396] <... futex resumed>) = 0 [pid 3401] <... futex resumed>) = 1 [pid 3400] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3398] <... mmap resumed>) = 0x7f85c0c15000 [pid 3396] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3399] <... futex resumed>) = 0 [pid 3401] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3399] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3398] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3396] <... futex resumed>) = 0 [pid 3401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3400] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3396] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3401] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3400] <... unlinkat resumed>) = 0 [pid 3399] <... futex resumed>) = 0 [pid 3398] <... mprotect resumed>) = 0 [pid 3401] <... mkdirat resumed>) = 0 [pid 3400] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3401] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3400] <... futex resumed>) = 1 [pid 3399] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3396] <... futex resumed>) = 0 [pid 3402] set_robust_list(0x5555810c5760, 24 [pid 3401] <... futex resumed>) = 0 [pid 3400] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3398] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3396] exit_group(0 [pid 3401] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3400] <... futex resumed>) = ? [pid 3399] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3398] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3396] <... exit_group resumed>) = ? [pid 3402] <... set_robust_list resumed>) = 0 [pid 3401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3400] +++ exited with 0 +++ [pid 3399] <... futex resumed>) = 0 [pid 3398] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3402] rt_sigprocmask(SIG_SETMASK, [] [pid 3401] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3399] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3396] +++ exited with 0 +++ [pid 3402] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3401] <... symlinkat resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3396, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3401] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3398] <... clone3 resumed> => {parent_tid=[3403]}, 88) = 3403 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3402] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3401] <... futex resumed>) = 1 [pid 3399] <... futex resumed>) = 0 [pid 3398] rt_sigprocmask(SIG_SETMASK, [] [pid 3402] <... prctl resumed>) = 0 [pid 3401] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3399] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3398] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3402] setpgid(0, 0 [pid 3401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3399] <... futex resumed>) = 0 [pid 3398] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3402] <... setpgid resumed>) = 0 [pid 3401] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3399] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3398] <... futex resumed>) = 0 [pid 3401] <... unlinkat resumed>) = 0 [pid 3401] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3401] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3399] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3398] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3399] <... futex resumed>) = 0 [pid 3401] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3399] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3402] <... openat resumed>) = 3 [pid 3401] <... unlinkat resumed>) = 0 [pid 3401] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 3402] write(3, "1000", 4 [pid 3401] <... futex resumed>) = 1 [pid 3399] <... futex resumed>) = 0 [pid 3402] <... write resumed>) = 4 [pid 3401] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3399] exit_group(0 [pid 3401] <... futex resumed>) = ? [pid 3399] <... exit_group resumed>) = ? [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 3403 attached [pid 3402] close(3 [pid 3401] +++ exited with 0 +++ [pid 3399] +++ exited with 0 +++ [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3403] set_robust_list(0x7f85c0c359a0, 24 [pid 3402] <... close resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3399, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3403] <... set_robust_list resumed>) = 0 [pid 3402] write(1, "executing program\n", 18 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3403] rt_sigprocmask(SIG_SETMASK, [] [pid 3402] <... write resumed>) = 18 [pid 3403] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3402] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3403] mkdirat(AT_FDCWD, "./config", 0777 [pid 3402] <... futex resumed>) = 0 [pid 3403] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3402] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3403] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3402] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3403] <... futex resumed>) = 1 [pid 3402] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3398] <... futex resumed>) = 0 [pid 3403] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3402] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 3398] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3403] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3402] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3398] <... futex resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3404 [pid 3403] mount(NULL, "./config", "configfs", 0, NULL [pid 3402] <... mmap resumed>) = 0x7f85c0c15000 [pid 3398] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3405 attached ci2-android-5-15/strace-static-x86_64: Process 3404 attached [pid 3403] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3402] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3405 [pid 3403] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3402] <... mprotect resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3403] <... futex resumed>) = 1 [pid 3402] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3398] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3403] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3402] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3398] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3403] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3402] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3398] <... futex resumed>) = 0 [pid 3403] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3398] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3403] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3402] <... clone3 resumed> => {parent_tid=[3406]}, 88) = 3406 [pid 3403] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3402] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 3406 attached [pid 3405] set_robust_list(0x5555810c5760, 24 [pid 3404] set_robust_list(0x5555810c5760, 24 [pid 3402] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3402] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3406] set_robust_list(0x7f85c0c359a0, 24 [pid 3405] <... set_robust_list resumed>) = 0 [pid 3404] <... set_robust_list resumed>) = 0 [pid 3403] <... futex resumed>) = 1 [pid 3402] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3398] <... futex resumed>) = 0 [pid 3398] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3398] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3406] <... set_robust_list resumed>) = 0 [pid 3406] rt_sigprocmask(SIG_SETMASK, [] [pid 3404] rt_sigprocmask(SIG_SETMASK, [] [pid 3405] rt_sigprocmask(SIG_SETMASK, [] [pid 3403] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3406] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3406] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3405] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3404] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3403] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3406] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3402] <... futex resumed>) = 0 [pid 3406] mount(NULL, "./config", "configfs", 0, NULL [pid 3405] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3404] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3402] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3406] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3403] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3402] <... futex resumed>) = 0 [pid 3406] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3402] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3406] <... futex resumed>) = 0 [pid 3405] <... prctl resumed>) = 0 [pid 3404] <... prctl resumed>) = 0 [pid 3403] <... futex resumed>) = 1 [pid 3402] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3398] <... futex resumed>) = 0 [pid 3406] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3402] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3398] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3406] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3402] <... futex resumed>) = 0 [pid 3398] <... futex resumed>) = 0 [pid 3406] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3402] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3398] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3406] <... futex resumed>) = 0 [pid 3405] setpgid(0, 0 [pid 3404] setpgid(0, 0 [pid 3403] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3402] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3406] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3405] <... setpgid resumed>) = 0 [pid 3404] <... setpgid resumed>) = 0 [pid 3402] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3402] <... futex resumed>) = 0 [pid 3406] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3404] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3402] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3406] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3405] <... openat resumed>) = 3 [pid 312] <... restart_syscall resumed>) = 0 [pid 3406] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3405] write(3, "1000", 4 [pid 3404] <... openat resumed>) = 3 [pid 3403] <... mkdirat resumed>) = 0 [pid 3405] <... write resumed>) = 4 [pid 3406] <... futex resumed>) = 1 [pid 3404] write(3, "1000", 4 [pid 3402] <... futex resumed>) = 0 [pid 3405] close(3 [pid 3403] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3406] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3405] <... close resumed>) = 0 [pid 3404] <... write resumed>) = 4 [pid 3403] <... futex resumed>) = 1 [pid 3402] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3398] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3406] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3405] write(1, "executing program\n", 18 [pid 3404] close(3 [pid 3403] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL executing program [pid 3402] <... futex resumed>) = 0 [pid 3398] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3406] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3405] <... write resumed>) = 18 [pid 3404] <... close resumed>) = 0 [pid 3403] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3402] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3398] <... futex resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3406] <... futex resumed>) = 0 [pid 3405] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3404] write(1, "executing program\n", 18 [pid 3403] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3402] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3398] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3406] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3402] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3402] <... futex resumed>) = 0 [pid 3404] <... write resumed>) = 18 [pid 3406] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3405] <... futex resumed>) = 0 executing program [pid 3402] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3407 [pid 3406] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3405] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3404] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3403] <... symlinkat resumed>) = 0 [pid 3406] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3405] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3404] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3403] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3406] <... futex resumed>) = 1 [pid 3405] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3404] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3402] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3406] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3405] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3404] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3403] <... futex resumed>) = 1 [pid 3402] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3398] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3407 attached [pid 3406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3405] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3404] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3403] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3402] <... futex resumed>) = 0 [pid 3398] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3406] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3405] <... mmap resumed>) = 0x7f85c0c15000 [pid 3404] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3403] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3402] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3398] <... futex resumed>) = 0 [pid 3407] set_robust_list(0x5555810c5760, 24 [pid 3406] <... unlinkat resumed>) = 0 [pid 3405] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3404] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3403] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3398] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3406] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3405] <... mprotect resumed>) = 0 [pid 3404] <... mmap resumed>) = 0x7f85c0c15000 [pid 3403] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3406] <... futex resumed>) = 1 [pid 3405] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3404] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3403] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3402] <... futex resumed>) = 0 [pid 3407] <... set_robust_list resumed>) = 0 [pid 3406] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3405] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3404] <... mprotect resumed>) = 0 [pid 3403] <... futex resumed>) = 1 [pid 3402] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3398] <... futex resumed>) = 0 [pid 3406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3405] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3404] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3403] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3402] <... futex resumed>) = 0 [pid 3398] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3407] rt_sigprocmask(SIG_SETMASK, [] [pid 3406] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3404] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3403] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3402] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3398] <... futex resumed>) = 0 [pid 3407] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3406] <... unlinkat resumed>) = 0 [pid 3405] <... clone3 resumed> => {parent_tid=[3408]}, 88) = 3408 [pid 3404] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3403] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3398] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3407] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3406] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3405] rt_sigprocmask(SIG_SETMASK, [] [pid 3407] <... prctl resumed>) = 0 [pid 3406] <... futex resumed>) = 1 [pid 3405] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3403] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3402] <... futex resumed>) = 0 [pid 3407] setpgid(0, 0 [pid 3406] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3405] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3404] <... clone3 resumed> => {parent_tid=[3409]}, 88) = 3409 [pid 3403] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3402] exit_group(0 [pid 3407] <... setpgid resumed>) = 0 [pid 3406] <... futex resumed>) = ? [pid 3405] <... futex resumed>) = 0 [pid 3404] rt_sigprocmask(SIG_SETMASK, [] [pid 3403] <... futex resumed>) = 1 [pid 3402] <... exit_group resumed>) = ? [pid 3398] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3409 attached [pid 3407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3406] +++ exited with 0 +++ [pid 3405] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3404] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3403] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3402] +++ exited with 0 +++ [pid 3398] exit_group(0 [pid 3407] <... openat resumed>) = 3 [pid 3404] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3403] <... futex resumed>) = ? [pid 3398] <... exit_group resumed>) = ? [pid 3409] set_robust_list(0x7f85c0c359a0, 24 [pid 3407] write(3, "1000", 4 [pid 3404] <... futex resumed>) = 0 [pid 3403] +++ exited with 0 +++ [pid 3398] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3402, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 3408 attached [pid 3409] <... set_robust_list resumed>) = 0 [pid 3407] <... write resumed>) = 4 [pid 3404] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3407] close(3 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3407] <... close resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3398, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 3407] write(1, "executing program\n", 18 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3407] <... write resumed>) = 18 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 3407] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3407] <... futex resumed>) = 0 [pid 3408] set_robust_list(0x7f85c0c359a0, 24 [pid 3409] rt_sigprocmask(SIG_SETMASK, [] [pid 3408] <... set_robust_list resumed>) = 0 [pid 3409] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3408] rt_sigprocmask(SIG_SETMASK, [] [pid 3409] mkdirat(AT_FDCWD, "./config", 0777 [pid 3408] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3407] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3410 [pid 3407] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3409] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3408] mkdirat(AT_FDCWD, "./config", 0777 [pid 3407] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3407] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3407] <... mmap resumed>) = 0x7f85c0c15000 [pid 3407] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3409] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3408] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3407] <... mprotect resumed>) = 0 [pid 3409] <... futex resumed>) = 1 [pid 3408] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3404] <... futex resumed>) = 0 [pid 3407] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3404] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3407] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3404] <... futex resumed>) = 0 [pid 3407] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3404] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3409] mount(NULL, "./config", "configfs", 0, NULL [pid 3408] <... futex resumed>) = 1 [pid 3407] <... clone3 resumed> => {parent_tid=[3411]}, 88) = 3411 [pid 3405] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3411 attached [pid 3407] rt_sigprocmask(SIG_SETMASK, [] [pid 3405] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3407] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3411] set_robust_list(0x7f85c0c359a0, 24 [pid 3407] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3405] <... futex resumed>) = 0 [pid 3407] <... futex resumed>) = 0 [pid 3405] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3407] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3409] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3408] mount(NULL, "./config", "configfs", 0, NULL [pid 3409] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3408] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3409] <... futex resumed>) = 1 [pid 3408] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3404] <... futex resumed>) = 0 [pid 3409] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3408] <... futex resumed>) = 1 [pid 3405] <... futex resumed>) = 0 [pid 3404] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3405] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3404] <... futex resumed>) = 0 [pid 3409] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3408] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3405] <... futex resumed>) = 0 [pid 3404] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3409] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3408] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3405] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3404] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] <... restart_syscall resumed>) = 0 [pid 3411] <... set_robust_list resumed>) = 0 [pid 3409] <... futex resumed>) = 0 [pid 3408] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3405] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3404] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3408] <... futex resumed>) = 0 [pid 3405] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3404] <... futex resumed>) = 0 [pid 3408] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3405] <... futex resumed>) = 0 [pid 3404] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3409] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3408] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3405] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3410 attached [pid 3409] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3408] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3405] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3410] set_robust_list(0x5555810c5760, 24 [pid 3409] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3408] <... futex resumed>) = 0 [pid 3405] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3410] <... set_robust_list resumed>) = 0 [pid 3408] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3410] rt_sigprocmask(SIG_SETMASK, [] [pid 3409] <... futex resumed>) = 1 [pid 3408] <... mkdirat resumed>) = 0 [pid 3405] <... futex resumed>) = 0 [pid 3404] <... futex resumed>) = 0 [pid 3411] rt_sigprocmask(SIG_SETMASK, [] [pid 3410] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3409] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3408] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3405] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3404] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3412 [pid 3410] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3408] <... futex resumed>) = 0 [pid 3405] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3404] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3410] <... prctl resumed>) = 0 [pid 3409] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3408] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3405] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3404] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3410] setpgid(0, 0 [pid 3409] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3408] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3405] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3410] <... setpgid resumed>) = 0 [pid 3409] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3408] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3405] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3411] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3409] <... futex resumed>) = 1 [pid 3408] <... symlinkat resumed>) = 0 [pid 3404] <... futex resumed>) = 0 [pid 3411] mkdirat(AT_FDCWD, "./config", 0777 [pid 3410] <... openat resumed>) = 3 [pid 3409] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3408] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3404] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3411] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3410] write(3, "1000", 4 [pid 3409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3408] <... futex resumed>) = 1 [pid 3405] <... futex resumed>) = 0 [pid 3404] <... futex resumed>) = 0 [pid 3411] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3410] <... write resumed>) = 4 [pid 3409] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3408] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3405] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3404] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3411] <... futex resumed>) = 1 [pid 3410] close(3 [pid 3409] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3408] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3407] <... futex resumed>) = 0 [pid 3405] <... futex resumed>) = 0 [pid 3411] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3410] <... close resumed>) = 0 [pid 3409] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3408] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3407] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3405] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3412 attached [pid 3411] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 3410] write(1, "executing program\n", 18 [pid 3409] <... futex resumed>) = 1 [pid 3408] <... unlinkat resumed>) = 0 [pid 3407] <... futex resumed>) = 0 [pid 3404] <... futex resumed>) = 0 [pid 3412] set_robust_list(0x5555810c5760, 24 [pid 3411] mount(NULL, "./config", "configfs", 0, NULL [pid 3410] <... write resumed>) = 18 [pid 3409] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3408] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3407] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3404] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3412] <... set_robust_list resumed>) = 0 [pid 3411] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3410] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3408] <... futex resumed>) = 1 [pid 3405] <... futex resumed>) = 0 [pid 3404] <... futex resumed>) = 0 [pid 3412] rt_sigprocmask(SIG_SETMASK, [] [pid 3411] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3410] <... futex resumed>) = 0 [pid 3409] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3408] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3405] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3404] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3412] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3411] <... futex resumed>) = 1 [pid 3410] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3409] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3408] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3407] <... futex resumed>) = 0 [pid 3405] <... futex resumed>) = 0 [pid 3412] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3411] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3410] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3409] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3408] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3407] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3405] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3412] <... prctl resumed>) = 0 [pid 3411] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3410] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3409] <... futex resumed>) = 1 [pid 3408] <... unlinkat resumed>) = 0 [pid 3407] <... futex resumed>) = 0 [pid 3404] <... futex resumed>) = 0 [pid 3412] setpgid(0, 0 [pid 3411] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3410] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3409] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3408] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3407] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3404] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3412] <... setpgid resumed>) = 0 [pid 3411] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3410] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3408] <... futex resumed>) = 1 [pid 3405] <... futex resumed>) = 0 [pid 3404] <... futex resumed>) = 0 [pid 3412] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3411] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3410] <... mmap resumed>) = 0x7f85c0c15000 [pid 3409] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3408] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3405] exit_group(0 [pid 3404] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3412] <... openat resumed>) = 3 [pid 3411] <... futex resumed>) = 1 [pid 3410] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3409] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3408] <... futex resumed>) = ? [pid 3407] <... futex resumed>) = 0 [pid 3405] <... exit_group resumed>) = ? [pid 3412] write(3, "1000", 4 [pid 3411] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3410] <... mprotect resumed>) = 0 [pid 3409] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3408] +++ exited with 0 +++ [pid 3407] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3412] <... write resumed>) = 4 [pid 3410] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3412] close(3 [pid 3410] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3412] <... close resumed>) = 0 [pid 3410] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3412] write(1, "executing program\n", 18 [pid 3409] <... futex resumed>) = 1 [pid 3407] <... futex resumed>) = 0 [pid 3405] +++ exited with 0 +++ [pid 3411] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3404] <... futex resumed>) = 0 [pid 3412] <... write resumed>) = 18 executing program [pid 3411] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3410] <... clone3 resumed> => {parent_tid=[3413]}, 88) = 3413 [pid 3409] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3407] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3404] exit_group(0 [pid 3412] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3411] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3410] rt_sigprocmask(SIG_SETMASK, [] [pid 3404] <... exit_group resumed>) = ? [pid 3412] <... futex resumed>) = 0 [pid 3411] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3410] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3409] <... futex resumed>) = ? [pid 3412] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3411] <... futex resumed>) = 1 [pid 3410] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3407] <... futex resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3405, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3412] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3410] <... futex resumed>) = 0 [pid 3412] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3410] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3412] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3412] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3412] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3409] +++ exited with 0 +++ [pid 3404] +++ exited with 0 +++ [pid 3412] <... mprotect resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3412] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3411] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3407] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3404, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3412] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3412] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3411] <... mkdirat resumed>) = 0 [pid 3407] <... futex resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3411] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3407] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3412] <... clone3 resumed> => {parent_tid=[3414]}, 88) = 3414 [pid 3412] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3407] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3411] <... futex resumed>) = 0 [pid 3412] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3411] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3407] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3415 [pid 3412] <... futex resumed>) = 0 [pid 3412] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3411] <... symlinkat resumed>) = 0 [pid 3407] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3411] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3407] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3411] <... futex resumed>) = 0 [pid 3407] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3411] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3407] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3411] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3411] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3407] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3413 attached [pid 3413] set_robust_list(0x7f85c0c359a0, 24 [pid 3411] <... unlinkat resumed>) = 0 [pid 3407] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3413] <... set_robust_list resumed>) = 0 [pid 3411] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3407] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3411] <... futex resumed>) = 0 [pid 3407] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3411] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3407] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3415 attached ci2-android-5-15/strace-static-x86_64: Process 3414 attached [pid 3413] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3413] mkdirat(AT_FDCWD, "./config", 0777 [pid 3411] <... unlinkat resumed>) = 0 [pid 3407] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3411] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3407] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3411] <... futex resumed>) = 0 [pid 3413] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3407] exit_group(0 [pid 3411] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3407] <... exit_group resumed>) = ? [pid 3411] <... futex resumed>) = ? [pid 3413] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3410] <... futex resumed>) = 0 [pid 3410] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3410] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3413] <... futex resumed>) = 1 [pid 3413] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3411] +++ exited with 0 +++ [pid 3407] +++ exited with 0 +++ [pid 3413] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3410] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3407, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3410] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3410] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3413] <... futex resumed>) = 1 [pid 3415] set_robust_list(0x5555810c5760, 24 [pid 3414] set_robust_list(0x7f85c0c359a0, 24 [pid 3413] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3413] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3415] <... set_robust_list resumed>) = 0 [pid 3414] <... set_robust_list resumed>) = 0 [pid 3410] <... futex resumed>) = 0 [pid 3413] <... futex resumed>) = 1 [pid 3410] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3415] rt_sigprocmask(SIG_SETMASK, [] [pid 3413] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3410] <... futex resumed>) = 0 [pid 3413] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3410] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3415] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3413] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3415] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3414] rt_sigprocmask(SIG_SETMASK, [] [pid 3413] <... futex resumed>) = 1 [pid 3410] <... futex resumed>) = 0 [pid 3413] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3410] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3415] <... prctl resumed>) = 0 [pid 3414] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3413] <... mkdirat resumed>) = 0 [pid 3410] <... futex resumed>) = 0 [pid 3413] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3410] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3413] <... futex resumed>) = 0 [pid 3410] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3413] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3410] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3415] setpgid(0, 0 [pid 3413] <... symlinkat resumed>) = 0 [pid 3410] <... futex resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 3414] mkdirat(AT_FDCWD, "./config", 0777 [pid 3413] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3410] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3415] <... setpgid resumed>) = 0 [pid 3413] <... futex resumed>) = 0 [pid 3410] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3413] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3410] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3414] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3413] <... unlinkat resumed>) = 0 [pid 3410] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3415] <... openat resumed>) = 3 [pid 3414] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3413] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3410] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3413] <... futex resumed>) = 0 [pid 3410] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3415] write(3, "1000", 4 [pid 3414] <... futex resumed>) = 1 [pid 3413] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3412] <... futex resumed>) = 0 [pid 3410] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3415] <... write resumed>) = 4 [pid 3414] mount(NULL, "./config", "configfs", 0, NULL [pid 3413] <... unlinkat resumed>) = 0 [pid 3412] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3410] <... futex resumed>) = 0 [pid 3415] close(3 [pid 3414] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3413] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3412] <... futex resumed>) = 0 [pid 3410] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3416 [pid 306] <... restart_syscall resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3416 attached [pid 3415] <... close resumed>) = 0 [pid 3414] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3413] <... futex resumed>) = 0 [pid 3412] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3410] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3416] set_robust_list(0x5555810c5760, 24 [pid 3415] write(1, "executing program\n", 18 [pid 3414] <... futex resumed>) = 0 executing program [pid 3413] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3412] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3410] exit_group(0 [pid 3415] <... write resumed>) = 18 [pid 3414] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3413] <... futex resumed>) = ? [pid 3412] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3410] <... exit_group resumed>) = ? [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3416] <... set_robust_list resumed>) = 0 [pid 3415] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3414] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3413] +++ exited with 0 +++ [pid 3412] <... futex resumed>) = 0 [pid 3410] +++ exited with 0 +++ [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3415] <... futex resumed>) = 0 [pid 3414] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3412] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3410, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3415] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3414] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3415] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3414] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3415] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3414] <... futex resumed>) = 1 [pid 3412] <... futex resumed>) = 0 [pid 3412] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3412] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3416] rt_sigprocmask(SIG_SETMASK, [] [pid 3415] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3414] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3415] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3417 [pid 3414] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3415] <... mmap resumed>) = 0x7f85c0c15000 [pid 3416] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3415] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3414] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3415] <... mprotect resumed>) = 0 [pid 3416] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3415] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3414] <... futex resumed>) = 1 [pid 3412] <... futex resumed>) = 0 [pid 3415] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3414] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3412] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3415] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3414] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3412] <... futex resumed>) = 0 [pid 3414] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3412] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3415] <... clone3 resumed> => {parent_tid=[3418]}, 88) = 3418 [pid 3416] <... prctl resumed>) = 0 [pid 3416] setpgid(0, 0 [pid 3414] <... mkdirat resumed>) = 0 [pid 3415] rt_sigprocmask(SIG_SETMASK, [] [pid 3414] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3415] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3414] <... futex resumed>) = 1 [pid 3415] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3412] <... futex resumed>) = 0 [pid 3415] <... futex resumed>) = 0 [pid 3414] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3412] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3415] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3414] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3412] <... futex resumed>) = 0 [pid 3414] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3412] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3416] <... setpgid resumed>) = 0 [pid 3414] <... symlinkat resumed>) = 0 [pid 3416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3414] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3418 attached [pid 3416] <... openat resumed>) = 3 [pid 3414] <... futex resumed>) = 1 [pid 3412] <... futex resumed>) = 0 [pid 3414] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3412] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3417 attached [pid 3416] write(3, "1000", 4 [pid 3414] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3412] <... futex resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 3414] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3412] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3414] <... unlinkat resumed>) = 0 [pid 3417] set_robust_list(0x5555810c5760, 24 [pid 3416] <... write resumed>) = 4 [pid 3414] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3417] <... set_robust_list resumed>) = 0 [pid 3416] close(3 [pid 3414] <... futex resumed>) = 1 [pid 3412] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3414] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3412] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3414] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3412] <... futex resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3414] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3412] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3417] rt_sigprocmask(SIG_SETMASK, [] [pid 3416] <... close resumed>) = 0 [pid 3417] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3416] write(1, "executing program\n", 18 executing program [pid 3417] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3416] <... write resumed>) = 18 [pid 3414] <... unlinkat resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3419 [pid 3417] <... prctl resumed>) = 0 [pid 3416] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3414] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3417] setpgid(0, 0 [pid 3416] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3414] <... futex resumed>) = 1 [pid 3417] <... setpgid resumed>) = 0 [pid 3416] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3414] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3412] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3418] set_robust_list(0x7f85c0c359a0, 24 [pid 3417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3416] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3412] exit_group(0 [pid 3416] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3414] <... futex resumed>) = ? [pid 3412] <... exit_group resumed>) = ? [pid 3416] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3416] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3414] +++ exited with 0 +++ [pid 3416] <... mmap resumed>) = 0x7f85c0c15000 [pid 3416] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3416] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3416] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[3420]}, 88) = 3420 [pid 3412] +++ exited with 0 +++ [pid 3416] rt_sigprocmask(SIG_SETMASK, [] [pid 3417] <... openat resumed>) = 3 [pid 3416] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3416] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3412, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3417] write(3, "1000", 4 [pid 3416] <... futex resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3416] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3417] <... write resumed>) = 4 ci2-android-5-15/strace-static-x86_64: Process 3419 attached [pid 3419] set_robust_list(0x5555810c5760, 24 [pid 3418] <... set_robust_list resumed>) = 0 [pid 3417] close(3 [pid 3419] <... set_robust_list resumed>) = 0 [pid 3419] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3417] <... close resumed>) = 0 [pid 3418] rt_sigprocmask(SIG_SETMASK, [] [pid 3419] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3419] setpgid(0, 0 [pid 3418] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3417] write(1, "executing program\n", 18 [pid 3419] <... setpgid resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3420 attached [pid 3420] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3420] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3420] mkdirat(AT_FDCWD, "./config", 0777 [pid 3417] <... write resumed>) = 18 executing program [pid 3419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3418] mkdirat(AT_FDCWD, "./config", 0777 [pid 3420] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3417] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3419] <... openat resumed>) = 3 [pid 3418] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3420] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3417] <... futex resumed>) = 0 [pid 3418] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3419] write(3, "1000", 4 [pid 3418] <... futex resumed>) = 1 [pid 3417] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3415] <... futex resumed>) = 0 [pid 3419] <... write resumed>) = 4 [pid 3418] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3417] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3415] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3418] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3417] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3415] <... futex resumed>) = 0 [pid 3419] close(3 [pid 3418] mount(NULL, "./config", "configfs", 0, NULL [pid 3417] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3415] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3419] <... close resumed>) = 0 [pid 3417] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 3418] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3417] <... mmap resumed>) = 0x7f85c0c15000 [pid 3419] write(1, "executing program\n", 18 [pid 3418] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3417] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3419] <... write resumed>) = 18 [pid 3418] <... futex resumed>) = 1 [pid 3415] <... futex resumed>) = 0 [pid 3419] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3418] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3417] <... mprotect resumed>) = 0 [pid 3415] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] executing program [pid 3415] <... futex resumed>) = 0 [pid 3419] <... futex resumed>) = 0 [pid 3418] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3417] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3419] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3418] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3417] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3415] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3419] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3418] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3417] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3416] <... futex resumed>) = 0 [pid 3420] <... futex resumed>) = 1 [pid 3416] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3420] mount(NULL, "./config", "configfs", 0, NULL [pid 3416] <... futex resumed>) = 0 [pid 3420] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3419] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3418] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3416] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3420] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3419] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3418] <... futex resumed>) = 1 [pid 3417] <... clone3 resumed> => {parent_tid=[3422]}, 88) = 3422 [pid 3415] <... futex resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3421 ci2-android-5-15/strace-static-x86_64: Process 3422 attached [pid 3419] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3418] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3417] rt_sigprocmask(SIG_SETMASK, [] [pid 3415] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3419] <... mmap resumed>) = 0x7f85c0c15000 [pid 3418] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3417] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3419] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3418] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3417] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3415] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3421 attached [pid 3420] <... futex resumed>) = 1 [pid 3419] <... mprotect resumed>) = 0 [pid 3418] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3417] <... futex resumed>) = 0 [pid 3416] <... futex resumed>) = 0 [pid 3415] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3422] set_robust_list(0x7f85c0c359a0, 24 [pid 3420] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3419] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3418] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3417] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3416] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3415] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3421] set_robust_list(0x5555810c5760, 24 [pid 3420] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3419] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3418] <... futex resumed>) = 0 [pid 3416] <... futex resumed>) = 0 [pid 3415] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3422] <... set_robust_list resumed>) = 0 [pid 3420] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3419] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3418] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3416] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3415] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3423 attached [pid 3418] <... mkdirat resumed>) = 0 [pid 3419] <... clone3 resumed> => {parent_tid=[3423]}, 88) = 3423 [pid 3418] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3415] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3423] set_robust_list(0x7f85c0c359a0, 24 [pid 3420] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3419] rt_sigprocmask(SIG_SETMASK, [] [pid 3418] <... futex resumed>) = 0 [pid 3415] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3420] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3419] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3418] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3420] <... futex resumed>) = 1 [pid 3419] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3418] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3416] <... futex resumed>) = 0 [pid 3415] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3420] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3419] <... futex resumed>) = 0 [pid 3418] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3416] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3415] <... futex resumed>) = 0 [pid 3422] rt_sigprocmask(SIG_SETMASK, [] [pid 3421] <... set_robust_list resumed>) = 0 [pid 3420] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3419] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3418] <... symlinkat resumed>) = 0 [pid 3416] <... futex resumed>) = 0 [pid 3415] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3422] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3421] rt_sigprocmask(SIG_SETMASK, [] [pid 3420] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3418] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3416] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3415] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3420] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3418] <... futex resumed>) = 0 [pid 3415] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3422] mkdirat(AT_FDCWD, "./config", 0777 [pid 3421] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3420] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3418] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3415] <... futex resumed>) = 0 [pid 3420] <... futex resumed>) = 1 [pid 3416] <... futex resumed>) = 0 [pid 3415] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3422] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3421] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3420] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3418] <... unlinkat resumed>) = 0 [pid 3423] <... set_robust_list resumed>) = 0 [pid 3422] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3421] <... prctl resumed>) = 0 [pid 3420] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3418] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3416] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3422] <... futex resumed>) = 1 [pid 3421] setpgid(0, 0 [pid 3420] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3417] <... futex resumed>) = 0 [pid 3418] <... futex resumed>) = 1 [pid 3416] <... futex resumed>) = 0 [pid 3415] <... futex resumed>) = 0 [pid 3422] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3421] <... setpgid resumed>) = 0 [pid 3420] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3418] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3417] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3416] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3415] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3422] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3421] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3420] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3418] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3417] <... futex resumed>) = 0 [pid 3416] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3415] <... futex resumed>) = 0 [pid 3422] mount(NULL, "./config", "configfs", 0, NULL [pid 3420] <... futex resumed>) = 0 [pid 3418] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3417] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3416] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3415] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3421] <... openat resumed>) = 3 [pid 3416] <... futex resumed>) = 0 [pid 3423] rt_sigprocmask(SIG_SETMASK, [] [pid 3422] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3421] write(3, "1000", 4 [pid 3420] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3418] <... unlinkat resumed>) = 0 [pid 3416] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3423] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3418] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3420] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3415] <... futex resumed>) = 0 [pid 3418] <... futex resumed>) = 1 [pid 3423] mkdirat(AT_FDCWD, "./config", 0777 [pid 3415] exit_group(0 [pid 3420] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3415] <... exit_group resumed>) = ? [pid 3420] <... futex resumed>) = 1 [pid 3416] <... futex resumed>) = 0 [pid 3422] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3416] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3416] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3422] <... futex resumed>) = 1 [pid 3417] <... futex resumed>) = 0 [pid 3422] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3417] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3422] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3417] <... futex resumed>) = 0 [pid 3422] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3417] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3422] <... futex resumed>) = 0 [pid 3417] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3422] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3418] +++ exited with 0 +++ [pid 3417] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3415] +++ exited with 0 +++ [pid 3423] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3422] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3420] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3417] <... futex resumed>) = 0 [pid 3423] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3422] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3421] <... write resumed>) = 4 [pid 3420] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3417] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3415, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3422] <... futex resumed>) = 0 [pid 3417] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3423] <... futex resumed>) = 1 [pid 3422] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3420] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3419] <... futex resumed>) = 0 [pid 3417] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... restart_syscall resumed>) = 0 [pid 3423] mount(NULL, "./config", "configfs", 0, NULL [pid 3422] <... mkdirat resumed>) = 0 [pid 3421] close(3 [pid 3420] <... futex resumed>) = 1 [pid 3419] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3417] <... futex resumed>) = 0 [pid 3416] <... futex resumed>) = 0 [pid 3423] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3422] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3421] <... close resumed>) = 0 [pid 3420] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3419] <... futex resumed>) = 0 [pid 3417] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3416] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3423] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3422] <... futex resumed>) = 0 [pid 3421] write(1, "executing program\n", 18 [pid 3420] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 3419] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3417] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3416] <... futex resumed>) = 0 [pid 3423] <... futex resumed>) = 0 [pid 3422] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3421] <... write resumed>) = 18 [pid 3420] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3419] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3417] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3416] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3423] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3422] <... symlinkat resumed>) = 0 [pid 3421] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3420] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3419] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3417] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3423] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3422] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3421] <... futex resumed>) = 0 [pid 3420] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3419] <... futex resumed>) = 0 [pid 3417] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3423] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3422] <... futex resumed>) = 0 [pid 3421] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3420] <... futex resumed>) = 1 [pid 3419] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3417] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3416] <... futex resumed>) = 0 [pid 3422] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3417] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3422] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3417] <... futex resumed>) = 0 [pid 3422] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3420] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3417] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3416] exit_group(0 [pid 3423] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3421] <... rt_sigaction resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3424 attached [pid 3423] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3422] <... unlinkat resumed>) = 0 [pid 3421] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3420] <... futex resumed>) = ? [pid 3416] <... exit_group resumed>) = ? [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3424 [pid 3423] <... futex resumed>) = 1 [pid 3422] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3421] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3419] <... futex resumed>) = 0 [pid 3422] <... futex resumed>) = 1 [pid 3419] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3417] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3422] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3419] <... futex resumed>) = 0 [pid 3417] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3422] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3419] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3417] <... futex resumed>) = 0 [pid 3422] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3417] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3423] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3422] <... unlinkat resumed>) = 0 [pid 3420] +++ exited with 0 +++ [pid 3421] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3416] +++ exited with 0 +++ [pid 3423] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3422] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3421] <... mmap resumed>) = 0x7f85c0c15000 [pid 3423] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3422] <... futex resumed>) = 1 [pid 3421] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3417] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3416, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3423] <... futex resumed>) = 1 [pid 3422] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3421] <... mprotect resumed>) = 0 [pid 3419] <... futex resumed>) = 0 [pid 3417] exit_group(0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3424] set_robust_list(0x5555810c5760, 24 [pid 3423] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3422] <... futex resumed>) = ? [pid 3421] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3419] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3417] <... exit_group resumed>) = ? [pid 3424] <... set_robust_list resumed>) = 0 [pid 3423] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3422] +++ exited with 0 +++ [pid 3421] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3419] <... futex resumed>) = 0 [pid 3417] +++ exited with 0 +++ [pid 3423] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3421] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3419] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3424] rt_sigprocmask(SIG_SETMASK, [] [pid 3423] <... mkdirat resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3417, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3423] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3421] <... clone3 resumed> => {parent_tid=[3425]}, 88) = 3425 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3419] <... futex resumed>) = 0 [pid 3423] <... futex resumed>) = 1 [pid 3421] rt_sigprocmask(SIG_SETMASK, [] [pid 3419] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3423] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3421] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3419] <... futex resumed>) = 0 [pid 3424] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3424] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3423] <... symlinkat resumed>) = 0 [pid 3421] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3419] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3423] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3421] <... futex resumed>) = 0 [pid 3419] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3423] <... futex resumed>) = 0 [pid 3419] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3423] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3421] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3419] <... futex resumed>) = 0 [pid 3424] <... prctl resumed>) = 0 [pid 3423] <... unlinkat resumed>) = 0 [pid 3419] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3423] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3419] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] <... restart_syscall resumed>) = 0 [pid 3423] <... futex resumed>) = 0 [pid 3419] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3423] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3419] <... futex resumed>) = 0 [pid 3424] setpgid(0, 0) = 0 [pid 3424] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3423] <... unlinkat resumed>) = 0 [pid 3419] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3423] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3419] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3423] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3423] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3419] exit_group(0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3423] <... futex resumed>) = ? [pid 3419] <... exit_group resumed>) = ? [pid 3424] <... openat resumed>) = 3 [pid 3424] write(3, "1000", 4) = 4 [pid 3424] close(3) = 0 [pid 3424] write(1, "executing program\n", 18) = 18 [pid 3424] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3424] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3424] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3424] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3424] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 executing program [pid 3423] +++ exited with 0 +++ [pid 3419] +++ exited with 0 +++ [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3426 [pid 3424] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3424] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3419, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3424] <... clone3 resumed> => {parent_tid=[3427]}, 88) = 3427 [pid 3424] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3424] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3424] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3425 attached [pid 3425] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3425] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3425] mkdirat(AT_FDCWD, "./config", 0777ci2-android-5-15/strace-static-x86_64: Process 3427 attached ci2-android-5-15/strace-static-x86_64: Process 3426 attached ) = -1 EEXIST (File exists) [pid 3425] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3426] set_robust_list(0x5555810c5760, 24 [pid 3425] <... futex resumed>) = 1 [pid 3421] <... futex resumed>) = 0 [pid 3425] mount(NULL, "./config", "configfs", 0, NULL [pid 3421] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3425] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3421] <... futex resumed>) = 0 [pid 3427] set_robust_list(0x7f85c0c359a0, 24 [pid 3426] <... set_robust_list resumed>) = 0 [pid 3425] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3421] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... restart_syscall resumed>) = 0 [pid 3421] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3421] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3427] <... set_robust_list resumed>) = 0 [pid 3421] <... futex resumed>) = 0 [pid 3427] rt_sigprocmask(SIG_SETMASK, [] [pid 3421] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3427] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3427] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3427] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3427] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3424] <... futex resumed>) = 0 [pid 3424] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3424] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3427] <... futex resumed>) = 1 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3428 [pid 3427] mount(NULL, "./config", "configfs", 0, NULL [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3427] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3427] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3424] <... futex resumed>) = 0 [pid 3427] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3424] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3427] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3424] <... futex resumed>) = 0 [pid 3427] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3426] rt_sigprocmask(SIG_SETMASK, [] [pid 3424] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3427] <... futex resumed>) = 0 [pid 3424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3427] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3426] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3424] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3427] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3424] <... futex resumed>) = 0 [pid 3427] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3426] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3424] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3427] <... futex resumed>) = 0 [pid 3426] <... prctl resumed>) = 0 [pid 3424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3427] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3424] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3428 attached [pid 3427] <... mkdirat resumed>) = 0 [pid 3426] setpgid(0, 0 [pid 3425] <... futex resumed>) = 1 [pid 3424] <... futex resumed>) = 0 [pid 3421] <... futex resumed>) = 0 [pid 3427] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3424] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3421] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=47000000} [pid 3427] <... futex resumed>) = 0 [pid 3426] <... setpgid resumed>) = 0 [pid 3425] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3427] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3424] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3427] <... symlinkat resumed>) = 0 [pid 3426] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3425] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3424] <... futex resumed>) = 0 [pid 3427] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3424] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3428] set_robust_list(0x5555810c5760, 24 [pid 3427] <... futex resumed>) = 0 [pid 3426] <... openat resumed>) = 3 [pid 3425] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3427] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3424] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3427] <... unlinkat resumed>) = 0 [pid 3424] <... futex resumed>) = 0 [pid 3427] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3426] write(3, "1000", 4 [pid 3425] <... futex resumed>) = 1 [pid 3424] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3421] <... futex resumed>) = 0 [pid 3427] <... futex resumed>) = 0 [pid 3424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3427] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3426] <... write resumed>) = 4 [pid 3425] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3424] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3421] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3428] <... set_robust_list resumed>) = 0 [pid 3427] <... unlinkat resumed>) = 0 [pid 3426] close(3 [pid 3425] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3424] <... futex resumed>) = 0 [pid 3421] <... futex resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 3427] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3426] <... close resumed>) = 0 [pid 3425] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3424] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3421] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3427] <... futex resumed>) = 0 [pid 3426] write(1, "executing program\n", 18 [pid 3424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 3421] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3425] <... futex resumed>) = 0 [pid 3427] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3426] <... write resumed>) = 18 [pid 3424] exit_group(0 [pid 3421] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3427] <... futex resumed>) = ? [pid 3426] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3425] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3424] <... exit_group resumed>) = ? [pid 3428] rt_sigprocmask(SIG_SETMASK, [] [pid 3427] +++ exited with 0 +++ [pid 3426] <... futex resumed>) = 0 [pid 3425] <... mkdirat resumed>) = 0 [pid 3424] +++ exited with 0 +++ [pid 3421] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3428] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3426] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3425] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3421] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3428] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3426] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3425] <... futex resumed>) = 0 [pid 3421] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3424, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3428] <... prctl resumed>) = 0 [pid 3426] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3425] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3421] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3428] setpgid(0, 0 [pid 3426] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3425] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3421] <... futex resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 3429 attached [pid 3428] <... setpgid resumed>) = 0 [pid 3426] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3425] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3421] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3428] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3426] <... mmap resumed>) = 0x7f85c0c15000 [pid 3425] <... symlinkat resumed>) = 0 [pid 3426] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3425] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3429 [pid 3426] <... mprotect resumed>) = 0 [pid 3425] <... futex resumed>) = 1 [pid 3421] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3426] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3421] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3425] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3428] <... openat resumed>) = 3 [pid 3426] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3421] <... futex resumed>) = 0 [pid 3426] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3425] <... unlinkat resumed>) = 0 [pid 3421] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3430 attached [pid 3429] set_robust_list(0x5555810c5760, 24 [pid 3428] write(3, "1000", 4 [pid 3425] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3421] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3430] set_robust_list(0x7f85c0c359a0, 24 [pid 3429] <... set_robust_list resumed>) = 0 [pid 3428] <... write resumed>) = 4 [pid 3426] <... clone3 resumed> => {parent_tid=[3430]}, 88) = 3430 [pid 3425] <... futex resumed>) = 0 [pid 3421] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3430] <... set_robust_list resumed>) = 0 [pid 3429] rt_sigprocmask(SIG_SETMASK, [] [pid 3428] close(3 [pid 3426] rt_sigprocmask(SIG_SETMASK, [] [pid 3425] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3421] <... futex resumed>) = 0 [pid 3430] rt_sigprocmask(SIG_SETMASK, [] [pid 3429] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3428] <... close resumed>) = 0 [pid 3426] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3425] <... unlinkat resumed>) = 0 [pid 3421] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3429] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3428] write(1, "executing program\n", 18 [pid 3426] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3430] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 3429] <... prctl resumed>) = 0 [pid 3428] <... write resumed>) = 18 [pid 3426] <... futex resumed>) = 0 [pid 3425] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3429] setpgid(0, 0 [pid 3428] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3426] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3425] <... futex resumed>) = 1 [pid 3430] mkdirat(AT_FDCWD, "./config", 0777 [pid 3429] <... setpgid resumed>) = 0 [pid 3428] <... futex resumed>) = 0 [pid 3425] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3421] <... futex resumed>) = 0 [pid 3430] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3428] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3421] exit_group(0 [pid 3430] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3429] <... openat resumed>) = 3 [pid 3428] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3425] <... futex resumed>) = ? [pid 3421] <... exit_group resumed>) = ? [pid 3430] <... futex resumed>) = 1 [pid 3429] write(3, "1000", 4 [pid 3428] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3426] <... futex resumed>) = 0 [pid 3425] +++ exited with 0 +++ [pid 3430] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3421] +++ exited with 0 +++ [pid 3429] <... write resumed>) = 4 [pid 3428] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3426] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3429] close(3 [pid 3428] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3426] <... futex resumed>) = 1 [pid 3430] <... futex resumed>) = 0 [pid 3429] <... close resumed>) = 0 [pid 3428] <... mmap resumed>) = 0x7f85c0c15000 [pid 3426] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3421, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3429] write(1, "executing program\n", 18 [pid 3428] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3429] <... write resumed>) = 18 [pid 3428] <... mprotect resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 3429] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 3430] mount(NULL, "./config", "configfs", 0, NULL [pid 3428] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3429] <... futex resumed>) = 0 [pid 3430] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3429] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3428] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 3430] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3429] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3428] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3430] <... futex resumed>) = 1 [pid 3429] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3430] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3429] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3428] <... clone3 resumed> => {parent_tid=[3431]}, 88) = 3431 [pid 3426] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 3432 attached [pid 3430] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3429] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3428] rt_sigprocmask(SIG_SETMASK, [] [pid 3426] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3430] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3429] <... mmap resumed>) = 0x7f85c0c15000 [pid 3428] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3426] <... futex resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3432 [pid 3432] set_robust_list(0x5555810c5760, 24 [pid 3430] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3429] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3428] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3426] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3430] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3430] <... futex resumed>) = 0 [pid 3429] <... mprotect resumed>) = 0 [pid 3428] <... futex resumed>) = 0 [pid 3426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3430] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3429] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3428] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3426] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3433 [pid 3430] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3429] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3426] <... futex resumed>) = 0 [pid 3430] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3429] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3426] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3430] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3430] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3429] <... clone3 resumed> => {parent_tid=[3434]}, 88) = 3434 [pid 3430] <... futex resumed>) = 1 [pid 3429] rt_sigprocmask(SIG_SETMASK, [] [pid 3426] <... futex resumed>) = 0 [pid 3430] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3429] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3426] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3430] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3429] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3426] <... futex resumed>) = 0 [pid 3430] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3429] <... futex resumed>) = 0 [pid 3426] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3434 attached [pid 3432] <... set_robust_list resumed>) = 0 [pid 3430] <... mkdirat resumed>) = 0 [pid 3429] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3430] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3426] <... futex resumed>) = 0 [pid 3430] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3426] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3430] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3426] <... futex resumed>) = 0 [pid 3430] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3426] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3434] set_robust_list(0x7f85c0c359a0, 24 [pid 3432] rt_sigprocmask(SIG_SETMASK, [] [pid 3430] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ci2-android-5-15/strace-static-x86_64: Process 3433 attached [pid 3430] <... futex resumed>) = 0 [pid 3426] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3431 attached [pid 3434] <... set_robust_list resumed>) = 0 [pid 3433] set_robust_list(0x5555810c5760, 24 [pid 3432] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3430] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3426] <... futex resumed>) = 0 [pid 3433] <... set_robust_list resumed>) = 0 [pid 3432] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3431] set_robust_list(0x7f85c0c359a0, 24 [pid 3430] <... unlinkat resumed>) = 0 [pid 3433] rt_sigprocmask(SIG_SETMASK, [] [pid 3431] <... set_robust_list resumed>) = 0 [pid 3430] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3426] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3432] <... prctl resumed>) = 0 [pid 3434] rt_sigprocmask(SIG_SETMASK, [] [pid 3431] rt_sigprocmask(SIG_SETMASK, [] [pid 3430] <... futex resumed>) = 0 [pid 3426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3432] setpgid(0, 0 [pid 3431] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3430] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3426] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3432] <... setpgid resumed>) = 0 [pid 3431] mkdirat(AT_FDCWD, "./config", 0777 [pid 3430] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3426] <... futex resumed>) = 0 [pid 3432] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3431] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3430] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3426] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3431] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3430] <... unlinkat resumed>) = 0 [pid 3432] <... openat resumed>) = 3 [pid 3431] <... futex resumed>) = 1 [pid 3430] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3428] <... futex resumed>) = 0 [pid 3433] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3431] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3430] <... futex resumed>) = 1 [pid 3428] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3426] <... futex resumed>) = 0 [pid 3431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3430] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3428] <... futex resumed>) = 0 [pid 3426] exit_group(0 [pid 3431] mount(NULL, "./config", "configfs", 0, NULL [pid 3430] <... futex resumed>) = ? [pid 3428] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3426] <... exit_group resumed>) = ? [pid 3434] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3433] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3432] write(3, "1000", 4 [pid 3431] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3430] +++ exited with 0 +++ [pid 3426] +++ exited with 0 +++ [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3426, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3432] <... write resumed>) = 4 [pid 3433] <... prctl resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3431] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3433] setpgid(0, 0 [pid 3432] close(3 [pid 3433] <... setpgid resumed>) = 0 [pid 3432] <... close resumed>) = 0 [pid 3431] <... futex resumed>) = 1 [pid 3428] <... futex resumed>) = 0 [pid 3434] mkdirat(AT_FDCWD, "./config", 0777 [pid 3431] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3428] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3432] write(1, "executing program\n", 18 [pid 3431] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3428] <... futex resumed>) = 0 [pid 3432] <... write resumed>) = 18 executing program [pid 3431] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3428] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3434] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3433] <... openat resumed>) = 3 [pid 3432] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3431] <... futex resumed>) = 0 [pid 3428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3434] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3433] write(3, "1000", 4 [pid 3432] <... futex resumed>) = 0 [pid 3431] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3428] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3434] <... futex resumed>) = 1 [pid 3433] <... write resumed>) = 4 [pid 3432] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3429] <... futex resumed>) = 0 [pid 3428] <... futex resumed>) = 0 [pid 3434] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3433] close(3 [pid 3432] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3431] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3429] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3428] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3434] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3433] <... close resumed>) = 0 [pid 3432] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3431] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3429] <... futex resumed>) = 0 [pid 3434] mount(NULL, "./config", "configfs", 0, NULL [pid 3433] write(1, "executing program\n", 18 [pid 3432] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3431] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3429] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3433] <... write resumed>) = 18 [pid 3432] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3431] <... futex resumed>) = 1 [pid 3428] <... futex resumed>) = 0 [pid 3434] <... mount resumed>) = -1 EBUSY (Device or resource busy) executing program [pid 3433] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3432] <... mmap resumed>) = 0x7f85c0c15000 [pid 3431] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3428] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3434] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3433] <... futex resumed>) = 0 [pid 3432] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3428] <... futex resumed>) = 0 [pid 3434] <... futex resumed>) = 1 [pid 3433] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3432] <... mprotect resumed>) = 0 [pid 3431] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3429] <... futex resumed>) = 0 [pid 3428] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3434] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3433] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3432] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3431] <... mkdirat resumed>) = 0 [pid 3431] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3428] <... futex resumed>) = 0 [pid 3431] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3428] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3429] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3434] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3433] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3432] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3429] <... futex resumed>) = 0 [pid 3428] <... futex resumed>) = 0 [pid 3434] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3433] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3432] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3431] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3429] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3428] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3434] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3433] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3431] <... symlinkat resumed>) = 0 [pid 3434] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3433] <... mmap resumed>) = 0x7f85c0c15000 [pid 3432] <... clone3 resumed> => {parent_tid=[3435]}, 88) = 3435 [pid 3431] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3434] <... futex resumed>) = 1 [pid 3433] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3432] rt_sigprocmask(SIG_SETMASK, [] [pid 3431] <... futex resumed>) = 1 [pid 3429] <... futex resumed>) = 0 [pid 3428] <... futex resumed>) = 0 [pid 3434] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3433] <... mprotect resumed>) = 0 [pid 3432] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3431] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3429] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3428] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3434] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3433] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3432] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3429] <... futex resumed>) = 0 [pid 3428] <... futex resumed>) = 0 [pid 3434] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3433] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3432] <... futex resumed>) = 0 [pid 3431] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3429] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3428] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3434] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3433] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3432] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3431] <... unlinkat resumed>) = 0 [pid 3434] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3431] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3434] <... futex resumed>) = 1 [pid 3433] <... clone3 resumed> => {parent_tid=[3436]}, 88) = 3436 [pid 3431] <... futex resumed>) = 1 [pid 3429] <... futex resumed>) = 0 [pid 3428] <... futex resumed>) = 0 [pid 3434] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3433] rt_sigprocmask(SIG_SETMASK, [] [pid 3431] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3429] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3428] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3434] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3433] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3429] <... futex resumed>) = 0 [pid 3428] <... futex resumed>) = 0 [pid 3434] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3433] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3431] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3429] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3428] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3436 attached [pid 3434] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3433] <... futex resumed>) = 0 [pid 3431] <... unlinkat resumed>) = 0 [pid 3434] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3433] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3431] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3434] <... futex resumed>) = 1 [pid 3431] <... futex resumed>) = 1 [pid 3429] <... futex resumed>) = 0 [pid 3428] <... futex resumed>) = 0 [pid 3434] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3431] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3429] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3428] exit_group(0 [pid 312] <... restart_syscall resumed>) = 0 [pid 3434] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3431] <... futex resumed>) = ? [pid 3429] <... futex resumed>) = 0 [pid 3428] <... exit_group resumed>) = ? [pid 3436] set_robust_list(0x7f85c0c359a0, 24 [pid 3434] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3431] +++ exited with 0 +++ [pid 3429] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3428] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 3435 attached [pid 3435] set_robust_list(0x7f85c0c359a0, 24 [pid 3434] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3428, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 3434] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3434] <... futex resumed>) = 1 [pid 3429] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3434] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3429] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3434] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3429] <... futex resumed>) = 0 [pid 3435] <... set_robust_list resumed>) = 0 [pid 3435] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3435] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3429] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3434] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3437 [pid 3435] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3434] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3434] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3434] <... futex resumed>) = 1 [pid 3429] <... futex resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 3434] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3429] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3436] <... set_robust_list resumed>) = 0 [pid 3435] <... futex resumed>) = 1 [pid 3435] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 3437 attached [pid 3437] set_robust_list(0x5555810c5760, 24 [pid 3432] <... futex resumed>) = 0 [pid 3437] <... set_robust_list resumed>) = 0 [pid 3432] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3434] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3429] <... futex resumed>) = 0 [pid 3434] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3432] <... futex resumed>) = 1 [pid 3429] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3434] <... futex resumed>) = 0 [pid 3432] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3429] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3434] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3429] exit_group(0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3434] <... futex resumed>) = ? [pid 3429] <... exit_group resumed>) = ? [pid 3435] <... futex resumed>) = 0 [pid 3435] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3435] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3435] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3432] <... futex resumed>) = 0 [pid 3437] rt_sigprocmask(SIG_SETMASK, [] [pid 3432] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3438 [pid 3437] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3437] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3437] setpgid(0, 0) = 0 [pid 3437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3434] +++ exited with 0 +++ [pid 3429] +++ exited with 0 +++ [pid 3432] <... futex resumed>) = 1 [pid 3435] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3432] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3429, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3435] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3435] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3436] rt_sigprocmask(SIG_SETMASK, [] [pid 3435] <... futex resumed>) = 1 [pid 3432] <... futex resumed>) = 0 [pid 3437] <... openat resumed>) = 3 [pid 3435] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3432] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3436] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3435] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3432] <... futex resumed>) = 0 [pid 3435] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3432] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3435] <... futex resumed>) = 0 [pid 3436] mkdirat(AT_FDCWD, "./config", 0777 [pid 3432] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3435] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3432] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3435] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3437] write(3, "1000", 4 [pid 3436] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3435] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3432] <... futex resumed>) = 0 [pid 3432] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3438 attached [pid 3437] <... write resumed>) = 4 [pid 3436] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3435] <... mkdirat resumed>) = 0 [pid 3438] set_robust_list(0x5555810c5760, 24 [pid 3437] close(3 [pid 3436] <... futex resumed>) = 1 [pid 3435] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3433] <... futex resumed>) = 0 [pid 3435] <... futex resumed>) = 1 [pid 3433] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3432] <... futex resumed>) = 0 [pid 3436] mount(NULL, "./config", "configfs", 0, NULL [pid 3437] <... close resumed>) = 0 [pid 3435] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3433] <... futex resumed>) = 0 [pid 3432] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3435] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3433] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3432] <... futex resumed>) = 0 executing program [pid 3437] write(1, "executing program\n", 18 [pid 3436] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3435] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3432] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3438] <... set_robust_list resumed>) = 0 [pid 3438] rt_sigprocmask(SIG_SETMASK, [] [pid 3435] <... symlinkat resumed>) = 0 [pid 3437] <... write resumed>) = 18 [pid 3436] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3435] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3437] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3433] <... futex resumed>) = 0 [pid 3437] <... futex resumed>) = 0 [pid 3436] <... futex resumed>) = 1 [pid 3435] <... futex resumed>) = 1 [pid 3433] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3432] <... futex resumed>) = 0 [pid 3437] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3435] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3433] <... futex resumed>) = 0 [pid 3432] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3436] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3437] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3435] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3433] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3432] <... futex resumed>) = 0 [pid 3435] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3432] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3437] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3436] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3435] <... unlinkat resumed>) = 0 [pid 3438] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3437] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3435] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3436] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3435] <... futex resumed>) = 1 [pid 3437] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3432] <... futex resumed>) = 0 [pid 3436] <... futex resumed>) = 1 [pid 3435] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3433] <... futex resumed>) = 0 [pid 3432] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3437] <... mmap resumed>) = 0x7f85c0c15000 [pid 3436] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3435] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3433] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3432] <... futex resumed>) = 0 [pid 3437] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3436] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3435] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3433] <... futex resumed>) = 0 [pid 3435] <... unlinkat resumed>) = 0 [pid 3432] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3433] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3437] <... mprotect resumed>) = 0 [pid 3436] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3435] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3432] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3435] <... futex resumed>) = 0 [pid 3432] exit_group(0 [pid 3437] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3436] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3432] <... exit_group resumed>) = ? [pid 3438] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3438] setpgid(0, 0) = 0 [pid 3438] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3438] write(3, "1000", 4) = 4 [pid 3435] +++ exited with 0 +++ [pid 3432] +++ exited with 0 +++ [pid 3438] close(3 [pid 3436] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3432, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3437] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3438] <... close resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3438] write(1, "executing program\n", 18 [pid 3437] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3436] <... futex resumed>) = 1 [pid 3433] <... futex resumed>) = 0 [pid 3436] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3433] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3437] <... clone3 resumed> => {parent_tid=[3439]}, 88) = 3439 [pid 3436] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3433] <... futex resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 3437] rt_sigprocmask(SIG_SETMASK, [] [pid 3436] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3433] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3437] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3438] <... write resumed>) = 18 [pid 3438] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3437] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3438] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3437] <... futex resumed>) = 0 [pid 3436] <... mkdirat resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3438] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3437] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3436] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3438] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3436] <... futex resumed>) = 1 [pid 3433] <... futex resumed>) = 0 [pid 3438] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3438] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3433] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3438] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3436] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3433] <... futex resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3440 [pid 3438] <... mprotect resumed>) = 0 [pid 3436] <... symlinkat resumed>) = 0 [pid 3433] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3438] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3436] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3433] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3438] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3436] <... futex resumed>) = 0 [pid 3433] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3438] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3436] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3433] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3440 attached [pid 3438] <... clone3 resumed> => {parent_tid=[3441]}, 88) = 3441 [pid 3436] <... unlinkat resumed>) = 0 [pid 3433] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3438] rt_sigprocmask(SIG_SETMASK, [] [pid 3436] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3433] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3438] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3436] <... futex resumed>) = 0 [pid 3433] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3438] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3436] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3433] <... futex resumed>) = 0 [pid 3438] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3439 attached [pid 3439] set_robust_list(0x7f85c0c359a0, 24 [pid 3436] <... unlinkat resumed>) = 0 [pid 3433] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3436] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3433] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3436] <... futex resumed>) = 0 [pid 3439] <... set_robust_list resumed>) = 0 [pid 3433] exit_group(0 [pid 3436] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3433] <... exit_group resumed>) = ? [pid 3439] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3439] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3439] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3439] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 3441 attached [pid 3441] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3437] <... futex resumed>) = 0 [pid 3436] +++ exited with 0 +++ [pid 3433] +++ exited with 0 +++ [pid 3437] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3433, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3437] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3439] <... futex resumed>) = 0 [pid 3439] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3439] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... restart_syscall resumed>) = 0 [pid 3440] set_robust_list(0x5555810c5760, 24) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3440] rt_sigprocmask(SIG_SETMASK, [] [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3440] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3442 attached [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3442 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3439] <... futex resumed>) = 1 [pid 3437] <... futex resumed>) = 0 [pid 3440] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3437] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3440] <... prctl resumed>) = 0 [pid 3437] <... futex resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 3440] setpgid(0, 0 [pid 3437] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3439] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3440] <... setpgid resumed>) = 0 [pid 3439] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3439] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3441] rt_sigprocmask(SIG_SETMASK, [] [pid 3439] <... futex resumed>) = 1 [pid 3441] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3439] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3441] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3437] <... futex resumed>) = 0 [pid 3437] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3443 [pid 3440] <... openat resumed>) = 3 [pid 3437] <... futex resumed>) = 1 [pid 3440] write(3, "1000", 4 [pid 3437] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3440] <... write resumed>) = 4 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3441] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3440] close(3 [pid 3441] <... futex resumed>) = 1 [pid 3438] <... futex resumed>) = 0 [pid 3441] mount(NULL, "./config", "configfs", 0, NULL [pid 3438] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3442] set_robust_list(0x5555810c5760, 24 [pid 3441] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3440] <... close resumed>) = 0 [pid 3439] <... futex resumed>) = 0 [pid 3438] <... futex resumed>) = 0 [pid 3441] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3438] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3441] <... futex resumed>) = 0 [pid 3438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3442] <... set_robust_list resumed>) = 0 [pid 3441] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3440] write(1, "executing program\n", 18 [pid 3439] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3438] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3441] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3438] <... futex resumed>) = 0 [pid 3441] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3438] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3441] <... futex resumed>) = 0 [pid 3438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3441] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3438] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3441] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3438] <... futex resumed>) = 0 [pid 3441] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3438] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3441] <... futex resumed>) = 0 [pid 3438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3441] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3438] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3441] <... mkdirat resumed>) = 0 [pid 3440] <... write resumed>) = 18 [pid 3439] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3438] <... futex resumed>) = 0 executing program [pid 3441] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3440] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3439] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3438] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3442] rt_sigprocmask(SIG_SETMASK, [] [pid 3441] <... futex resumed>) = 0 [pid 3440] <... futex resumed>) = 0 [pid 3438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3442] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3441] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3440] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3439] <... futex resumed>) = 1 [pid 3438] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3437] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3443 attached [pid 3442] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3441] <... symlinkat resumed>) = 0 [pid 3440] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3439] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3438] <... futex resumed>) = 0 [pid 3437] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3443] set_robust_list(0x5555810c5760, 24 [pid 3442] <... prctl resumed>) = 0 [pid 3441] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3440] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3439] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3438] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3437] <... futex resumed>) = 0 [pid 3443] <... set_robust_list resumed>) = 0 [pid 3442] setpgid(0, 0 [pid 3441] <... futex resumed>) = 0 [pid 3440] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3443] rt_sigprocmask(SIG_SETMASK, [] [pid 3442] <... setpgid resumed>) = 0 [pid 3441] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3440] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3439] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3438] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3437] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3443] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3441] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3440] <... mmap resumed>) = 0x7f85c0c15000 [pid 3439] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3438] <... futex resumed>) = 0 [pid 3442] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3443] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3441] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3440] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3439] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3438] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3443] <... prctl resumed>) = 0 [pid 3442] <... openat resumed>) = 3 [pid 3441] <... unlinkat resumed>) = 0 [pid 3440] <... mprotect resumed>) = 0 [pid 3439] <... futex resumed>) = 1 [pid 3437] <... futex resumed>) = 0 [pid 3443] setpgid(0, 0 [pid 3441] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3443] <... setpgid resumed>) = 0 [pid 3442] write(3, "1000", 4 [pid 3441] <... futex resumed>) = 1 [pid 3440] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3439] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3438] <... futex resumed>) = 0 [pid 3437] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3442] <... write resumed>) = 4 [pid 3441] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3440] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3438] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3437] <... futex resumed>) = 0 [pid 3443] <... openat resumed>) = 3 [pid 3442] close(3 [pid 3441] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3440] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3439] <... symlinkat resumed>) = 0 [pid 3438] <... futex resumed>) = 0 [pid 3437] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3443] write(3, "1000", 4 [pid 3442] <... close resumed>) = 0 [pid 3441] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3439] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3438] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3437] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3443] <... write resumed>) = 4 executing program [pid 3442] write(1, "executing program\n", 18 [pid 3441] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3440] <... clone3 resumed> => {parent_tid=[3444]}, 88) = 3444 [pid 3439] <... futex resumed>) = 0 [pid 3437] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3443] close(3 [pid 3442] <... write resumed>) = 18 [pid 3441] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3440] rt_sigprocmask(SIG_SETMASK, [] [pid 3439] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3437] <... futex resumed>) = 0 [pid 3443] <... close resumed>) = 0 [pid 3442] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3441] <... futex resumed>) = 1 [pid 3440] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3438] <... futex resumed>) = 0 [pid 3437] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3443] write(1, "executing program\n", 18 [pid 3442] <... futex resumed>) = 0 [pid 3441] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3440] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 3439] <... unlinkat resumed>) = 0 [pid 3438] exit_group(0 [pid 3443] <... write resumed>) = 18 [pid 3442] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3441] <... futex resumed>) = ? [pid 3440] <... futex resumed>) = 0 [pid 3439] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3438] <... exit_group resumed>) = ? [pid 3443] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3442] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3441] +++ exited with 0 +++ [pid 3440] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3439] <... futex resumed>) = 1 [pid 3438] +++ exited with 0 +++ [pid 3437] <... futex resumed>) = 0 [pid 3443] <... futex resumed>) = 0 [pid 3442] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3439] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3437] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3438, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3443] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3442] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3439] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3437] <... futex resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3443] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3442] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3439] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3437] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3443] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3442] <... mmap resumed>) = 0x7f85c0c15000 [pid 3443] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3442] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3439] <... unlinkat resumed>) = 0 [pid 3443] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3442] <... mprotect resumed>) = 0 [pid 3439] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3443] <... mmap resumed>) = 0x7f85c0c15000 [pid 3443] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3442] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3443] <... mprotect resumed>) = 0 [pid 3442] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3439] <... futex resumed>) = 1 [pid 3437] <... futex resumed>) = 0 [pid 3443] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3442] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3439] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3443] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3437] exit_group(0 [pid 3443] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3439] <... futex resumed>) = ? [pid 3437] <... exit_group resumed>) = ? [pid 3443] <... clone3 resumed> => {parent_tid=[3446]}, 88) = 3446 [pid 3442] <... clone3 resumed> => {parent_tid=[3445]}, 88) = 3445 ci2-android-5-15/strace-static-x86_64: Process 3444 attached [pid 3443] rt_sigprocmask(SIG_SETMASK, [] [pid 3439] +++ exited with 0 +++ [pid 3444] set_robust_list(0x7f85c0c359a0, 24 [pid 3443] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3444] <... set_robust_list resumed>) = 0 [pid 3443] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3444] rt_sigprocmask(SIG_SETMASK, [] [pid 3443] <... futex resumed>) = 0 [pid 3444] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3443] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3437] +++ exited with 0 +++ [pid 3444] mkdirat(AT_FDCWD, "./config", 0777 [pid 3442] rt_sigprocmask(SIG_SETMASK, [] [pid 3444] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3442] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3437, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3442] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3442] <... futex resumed>) = 0 [pid 3444] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3442] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3444] <... futex resumed>) = 1 [pid 3440] <... futex resumed>) = 0 [pid 3444] mount(NULL, "./config", "configfs", 0, NULL [pid 3440] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3446 attached [pid 3444] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3440] <... futex resumed>) = 0 [pid 3440] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3444] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3440] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3444] <... futex resumed>) = 0 [pid 3440] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3444] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3440] <... futex resumed>) = 0 [pid 3444] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3440] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3444] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3440] <... futex resumed>) = 0 [pid 3444] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3440] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3444] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3440] <... futex resumed>) = 0 [pid 3444] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3440] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3444] <... futex resumed>) = 0 [pid 3440] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3444] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3440] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3446] set_robust_list(0x7f85c0c359a0, 24 [pid 3444] <... mkdirat resumed>) = 0 [pid 3440] <... futex resumed>) = 0 [pid 3444] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3440] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3444] <... futex resumed>) = 0 [pid 3440] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3444] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3440] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3446] <... set_robust_list resumed>) = 0 [pid 3444] <... symlinkat resumed>) = 0 [pid 3440] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3445 attached [pid 3444] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3440] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3445] set_robust_list(0x7f85c0c359a0, 24 [pid 3444] <... futex resumed>) = 0 [pid 3440] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] <... restart_syscall resumed>) = 0 [pid 3440] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3446] rt_sigprocmask(SIG_SETMASK, [] [pid 3440] <... futex resumed>) = 0 [pid 3440] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3445] <... set_robust_list resumed>) = 0 [pid 3444] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3446] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3446] mkdirat(AT_FDCWD, "./config", 0777 [pid 3445] rt_sigprocmask(SIG_SETMASK, [] [pid 3444] <... unlinkat resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3446] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3445] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3444] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3445] mkdirat(AT_FDCWD, "./config", 0777 [pid 3444] <... futex resumed>) = 1 [pid 3445] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3444] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3445] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3446] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3440] <... futex resumed>) = 0 [pid 3445] <... futex resumed>) = 1 [pid 3440] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3446] <... futex resumed>) = 1 [pid 3445] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3444] <... futex resumed>) = 0 [pid 3443] <... futex resumed>) = 0 [pid 3442] <... futex resumed>) = 0 [pid 3440] <... futex resumed>) = 1 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3447 ci2-android-5-15/strace-static-x86_64: Process 3447 attached [pid 3446] mount(NULL, "./config", "configfs", 0, NULL [pid 3444] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3443] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3442] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3440] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3447] set_robust_list(0x5555810c5760, 24 [pid 3446] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3444] <... unlinkat resumed>) = 0 [pid 3443] <... futex resumed>) = 0 [pid 3442] <... futex resumed>) = 1 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3446] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3445] <... futex resumed>) = 0 [pid 3444] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3443] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3442] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3446] <... futex resumed>) = 0 [pid 3445] mount(NULL, "./config", "configfs", 0, NULL [pid 3444] <... futex resumed>) = 1 [pid 3443] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3440] <... futex resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 3447] <... set_robust_list resumed>) = 0 [pid 3446] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3445] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3444] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3443] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3440] exit_group(0 [pid 3446] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3445] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3444] <... futex resumed>) = ? [pid 3443] <... futex resumed>) = 0 [pid 3440] <... exit_group resumed>) = ? [pid 3446] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3445] <... futex resumed>) = 1 [pid 3444] +++ exited with 0 +++ [pid 3443] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3442] <... futex resumed>) = 0 [pid 3445] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3442] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3445] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3442] <... futex resumed>) = 0 [pid 3445] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3442] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3445] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3440] +++ exited with 0 +++ [pid 3446] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3445] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3446] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3445] <... futex resumed>) = 1 [pid 3442] <... futex resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3440, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3446] <... futex resumed>) = 1 [pid 3445] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3443] <... futex resumed>) = 0 [pid 3442] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3446] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3445] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3443] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3442] <... futex resumed>) = 0 [pid 3445] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3442] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3445] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3446] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3445] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3443] <... futex resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3448 [pid 3446] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3445] <... futex resumed>) = 1 [pid 3443] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3442] <... futex resumed>) = 0 [pid 3446] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3445] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3442] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3446] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3445] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3442] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3447] rt_sigprocmask(SIG_SETMASK, [] [pid 3446] <... futex resumed>) = 1 [pid 3445] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3443] <... futex resumed>) = 0 [pid 3442] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3447] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3446] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3445] <... mkdirat resumed>) = 0 [pid 3443] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3446] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3445] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3443] <... futex resumed>) = 0 [pid 3447] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3446] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3445] <... futex resumed>) = 1 [pid 3443] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3442] <... futex resumed>) = 0 [pid 3447] <... prctl resumed>) = 0 [pid 3446] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3445] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3442] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3447] setpgid(0, 0 [pid 3446] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3445] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3442] <... futex resumed>) = 0 [pid 3447] <... setpgid resumed>) = 0 [pid 3446] <... futex resumed>) = 1 [pid 3445] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3443] <... futex resumed>) = 0 [pid 3442] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3446] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3445] <... symlinkat resumed>) = 0 [pid 3443] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3448 attached [pid 3446] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3445] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3443] <... futex resumed>) = 0 [pid 3448] set_robust_list(0x5555810c5760, 24 [pid 3447] <... openat resumed>) = 3 [pid 3446] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3445] <... futex resumed>) = 1 [pid 3443] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3442] <... futex resumed>) = 0 [pid 3448] <... set_robust_list resumed>) = 0 [pid 3447] write(3, "1000", 4 [pid 3446] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3445] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3442] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3448] rt_sigprocmask(SIG_SETMASK, [] [pid 3447] <... write resumed>) = 4 [pid 3446] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3445] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3442] <... futex resumed>) = 0 [pid 3448] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3445] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3442] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3448] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3447] close(3 [pid 3446] <... futex resumed>) = 1 [pid 3445] <... unlinkat resumed>) = 0 [pid 3443] <... futex resumed>) = 0 [pid 3448] <... prctl resumed>) = 0 [pid 3447] <... close resumed>) = 0 [pid 3446] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3445] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3443] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3448] setpgid(0, 0 [pid 3447] write(1, "executing program\n", 18 [pid 3446] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3445] <... futex resumed>) = 1 executing program [pid 3443] <... futex resumed>) = 0 [pid 3442] <... futex resumed>) = 0 [pid 3448] <... setpgid resumed>) = 0 [pid 3447] <... write resumed>) = 18 [pid 3446] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3445] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3443] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3442] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3448] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3447] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3446] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3445] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3442] <... futex resumed>) = 0 [pid 3447] <... futex resumed>) = 0 [pid 3446] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3445] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3442] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3448] <... openat resumed>) = 3 [pid 3447] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3446] <... futex resumed>) = 1 [pid 3445] <... unlinkat resumed>) = 0 [pid 3443] <... futex resumed>) = 0 [pid 3448] write(3, "1000", 4 [pid 3447] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3446] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3445] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3443] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3448] <... write resumed>) = 4 [pid 3447] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3446] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3445] <... futex resumed>) = 1 [pid 3443] <... futex resumed>) = 0 [pid 3442] <... futex resumed>) = 0 [pid 3448] close(3 [pid 3447] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3446] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3445] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3443] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3442] exit_group(0 [pid 3448] <... close resumed>) = 0 [pid 3447] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3446] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3445] <... futex resumed>) = ? [pid 3442] <... exit_group resumed>) = ? [pid 3448] write(1, "executing program\n", 18 [pid 3447] <... mmap resumed>) = 0x7f85c0c15000 [pid 3446] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3445] +++ exited with 0 +++ [pid 3448] <... write resumed>) = 18 [pid 3448] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3442] +++ exited with 0 +++ [pid 3448] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3447] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3446] <... futex resumed>) = 1 [pid 3443] <... futex resumed>) = 0 [pid 3448] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3446] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3442, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3443] exit_group(0 [pid 3448] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3447] <... mprotect resumed>) = 0 [pid 3443] <... exit_group resumed>) = ? [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3446] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 311] <... restart_syscall resumed>) = 0 executing program [pid 3448] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3448] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3446] +++ exited with 0 +++ [pid 3443] +++ exited with 0 +++ [pid 3448] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3447] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3448] <... mprotect resumed>) = 0 [pid 3447] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3443, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3448] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3447] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3448] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3448] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[3449]}, 88) = 3449 [pid 3448] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3450 [pid 3448] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3448] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3447] <... clone3 resumed> => {parent_tid=[3451]}, 88) = 3451 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3448] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3447] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3447] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3447] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... restart_syscall resumed>) = 0 [pid 3447] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3450 attached [pid 3447] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3450] set_robust_list(0x5555810c5760, 24 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3450] <... set_robust_list resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3450] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3450] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3450] setpgid(0, 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3452 [pid 3450] <... setpgid resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3450] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 3451 attached ci2-android-5-15/strace-static-x86_64: Process 3449 attached [pid 3450] <... openat resumed>) = 3 [pid 3450] write(3, "1000", 4) = 4 [pid 3450] close(3) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3453 [pid 3450] write(1, "executing program\n", 18 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3450] <... write resumed>) = 18 executing program [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3450] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3450] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}ci2-android-5-15/strace-static-x86_64: Process 3453 attached [pid 3451] set_robust_list(0x7f85c0c359a0, 24 [pid 3450] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3449] set_robust_list(0x7f85c0c359a0, 24 [pid 3450] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3450] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3450] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3453] set_robust_list(0x5555810c5760, 24 [pid 3451] <... set_robust_list resumed>) = 0 [pid 3449] <... set_robust_list resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3452 attached [pid 3452] set_robust_list(0x5555810c5760, 24) = 0 [pid 3453] <... set_robust_list resumed>) = 0 [pid 3452] rt_sigprocmask(SIG_SETMASK, [] [pid 3451] rt_sigprocmask(SIG_SETMASK, [] [pid 3449] rt_sigprocmask(SIG_SETMASK, [] [pid 3450] <... mprotect resumed>) = 0 [pid 3452] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3452] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3452] setpgid(0, 0 [pid 3451] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3449] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3452] <... setpgid resumed>) = 0 [pid 3452] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3451] mkdirat(AT_FDCWD, "./config", 0777 [pid 3449] mkdirat(AT_FDCWD, "./config", 0777 [pid 3452] <... openat resumed>) = 3 [pid 3451] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3449] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3452] write(3, "1000", 4) = 4 [pid 3452] close(3) = 0 [pid 3452] write(1, "executing program\n", 18) = 18 executing program [pid 3452] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3452] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3452] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3452] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3452] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3452] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3451] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3449] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3452] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3452] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[3454]}, 88) = 3454 [pid 3451] <... futex resumed>) = 1 [pid 3449] <... futex resumed>) = 1 [pid 3448] <... futex resumed>) = 0 [pid 3447] <... futex resumed>) = 0 [pid 3450] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3453] rt_sigprocmask(SIG_SETMASK, [] [pid 3451] mount(NULL, "./config", "configfs", 0, NULL [pid 3449] mount(NULL, "./config", "configfs", 0, NULL [pid 3448] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3447] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3448] <... futex resumed>) = 0 [pid 3447] <... futex resumed>) = 0 [pid 3451] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3449] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3448] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3447] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3452] rt_sigprocmask(SIG_SETMASK, [] [pid 3451] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3449] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3452] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3452] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3452] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3453] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3451] <... futex resumed>) = 1 [pid 3450] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3449] <... futex resumed>) = 1 [pid 3448] <... futex resumed>) = 0 [pid 3447] <... futex resumed>) = 0 [pid 3451] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3448] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3447] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3451] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3449] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3448] <... futex resumed>) = 0 [pid 3447] <... futex resumed>) = 0 [pid 3451] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3448] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3447] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3451] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3449] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3451] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3454 attached ) = 1 [pid 3449] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3447] <... futex resumed>) = 0 [pid 3451] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3449] <... futex resumed>) = 1 [pid 3447] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3451] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3449] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3451] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3447] <... futex resumed>) = 0 [pid 3448] <... futex resumed>) = 0 [pid 3451] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3447] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3451] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3447] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3451] <... futex resumed>) = 0 [pid 3447] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3451] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3447] <... futex resumed>) = 0 [pid 3448] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3447] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3448] <... futex resumed>) = 1 [pid 3451] <... mkdirat resumed>) = 0 [pid 3450] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3448] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3451] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3453] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3447] <... futex resumed>) = 0 [pid 3451] <... futex resumed>) = 1 [pid 3447] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3451] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3447] <... futex resumed>) = 0 [pid 3447] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3451] <... symlinkat resumed>) = 0 [pid 3451] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3447] <... futex resumed>) = 0 [pid 3451] <... futex resumed>) = 1 [pid 3453] <... prctl resumed>) = 0 [pid 3447] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3451] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3447] <... futex resumed>) = 0 [pid 3449] <... futex resumed>) = 0 [pid 3447] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3453] setpgid(0, 0 [pid 3451] <... unlinkat resumed>) = 0 [pid 3453] <... setpgid resumed>) = 0 [pid 3451] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3449] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3447] <... futex resumed>) = 0 [pid 3451] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3450] <... clone3 resumed> => {parent_tid=[3455]}, 88) = 3455 [pid 3447] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3451] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3447] <... futex resumed>) = 0 [pid 3451] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3450] rt_sigprocmask(SIG_SETMASK, [] [pid 3447] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3449] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3451] <... unlinkat resumed>) = 0 [pid 3450] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3451] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3450] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3453] <... openat resumed>) = 3 [pid 3451] <... futex resumed>) = 1 [pid 3447] <... futex resumed>) = 0 [pid 3453] write(3, "1000", 4 [pid 3451] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3450] <... futex resumed>) = 0 [pid 3447] exit_group(0 [pid 3450] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3447] <... exit_group resumed>) = ? [pid 3453] <... write resumed>) = 4 [pid 3451] <... futex resumed>) = ? [pid 3449] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3448] <... futex resumed>) = 0 [pid 3448] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3448] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3449] <... futex resumed>) = 1 [pid 3449] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3451] +++ exited with 0 +++ [pid 3447] +++ exited with 0 +++ [pid 3449] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3447, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3453] close(3 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3453] <... close resumed>) = 0 [pid 3448] <... futex resumed>) = 0 [pid 3453] write(1, "executing program\n", 18 [pid 3448] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 3453] <... write resumed>) = 18 [pid 3448] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3449] <... futex resumed>) = 1 [pid 3453] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3449] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3453] <... futex resumed>) = 0 [pid 3449] <... symlinkat resumed>) = 0 [pid 3449] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3448] <... futex resumed>) = 0 [pid 3448] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3448] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3449] <... futex resumed>) = 1 [pid 3449] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3453] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3449] <... unlinkat resumed>) = 0 [pid 3449] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3448] <... futex resumed>) = 0 [pid 3448] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3448] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3449] <... futex resumed>) = 1 [pid 3449] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3453] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3449] <... unlinkat resumed>) = 0 [pid 3449] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3448] <... futex resumed>) = 0 [pid 3448] exit_group(0) = ? [pid 3453] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3449] <... futex resumed>) = ? [pid 3453] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3449] +++ exited with 0 +++ [pid 3448] +++ exited with 0 +++ [pid 3453] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3454] set_robust_list(0x7f85c0c359a0, 24 [pid 3453] <... mprotect resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3448, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3454] <... set_robust_list resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3453] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3454] rt_sigprocmask(SIG_SETMASK, [] [pid 3453] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3454] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3453] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3454] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3453] <... clone3 resumed> => {parent_tid=[3456]}, 88) = 3456 [pid 3454] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3453] rt_sigprocmask(SIG_SETMASK, [] [pid 3454] <... futex resumed>) = 1 [pid 3453] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3452] <... futex resumed>) = 0 [pid 3453] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3452] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3453] <... futex resumed>) = 0 [pid 3452] <... futex resumed>) = 0 [pid 3453] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3452] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3454] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) ci2-android-5-15/strace-static-x86_64: Process 3456 attached ci2-android-5-15/strace-static-x86_64: Process 3455 attached [pid 3456] set_robust_list(0x7f85c0c359a0, 24 [pid 3454] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3455] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3455] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3455] mkdirat(AT_FDCWD, "./config", 0777 [pid 3452] <... futex resumed>) = 0 [pid 3454] <... futex resumed>) = 1 [pid 3456] <... set_robust_list resumed>) = 0 [pid 3452] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3452] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3455] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3455] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3450] <... futex resumed>) = 0 [pid 3450] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3450] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... restart_syscall resumed>) = 0 [pid 3455] <... futex resumed>) = 1 [pid 3455] mount(NULL, "./config", "configfs", 0, NULL [pid 312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3455] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3455] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3450] <... futex resumed>) = 0 [pid 3450] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3450] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3455] <... futex resumed>) = 1 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3457 [pid 3455] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3455] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3455] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3450] <... futex resumed>) = 0 [pid 3450] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3450] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3455] <... futex resumed>) = 1 [pid 3455] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3454] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3455] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3455] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3457 attached [pid 3456] rt_sigprocmask(SIG_SETMASK, [] [pid 3454] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3450] <... futex resumed>) = 0 [pid 3450] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3450] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... restart_syscall resumed>) = 0 [pid 3455] <... futex resumed>) = 1 [pid 3455] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3456] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3455] <... mkdirat resumed>) = 0 [pid 3454] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3457] set_robust_list(0x5555810c5760, 24 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3455] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3450] <... futex resumed>) = 0 [pid 3450] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3450] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3455] <... futex resumed>) = 1 [pid 3455] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3458 [pid 3455] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3450] <... futex resumed>) = 0 [pid 3456] mkdirat(AT_FDCWD, "./config", 0777 [pid 3454] <... futex resumed>) = 1 [pid 3452] <... futex resumed>) = 0 [pid 3450] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3454] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3452] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3456] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3450] <... futex resumed>) = 0 [pid 3456] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3454] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3452] <... futex resumed>) = 0 [pid 3450] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3456] <... futex resumed>) = 1 [pid 3454] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3453] <... futex resumed>) = 0 [pid 3452] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3456] mount(NULL, "./config", "configfs", 0, NULL [pid 3454] <... futex resumed>) = 0 [pid 3453] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3452] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3454] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3453] <... futex resumed>) = 0 [pid 3452] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3454] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3453] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3452] <... futex resumed>) = 0 [pid 3456] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3454] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3452] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3455] <... futex resumed>) = 1 [pid 3456] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3454] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3455] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3455] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3457] <... set_robust_list resumed>) = 0 [pid 3456] <... futex resumed>) = 1 [pid 3454] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3453] <... futex resumed>) = 0 [pid 3453] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3452] <... futex resumed>) = 0 [pid 3454] <... futex resumed>) = 1 [pid 3450] <... futex resumed>) = 0 [pid 3456] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3454] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3453] <... futex resumed>) = 0 [pid 3452] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3450] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3453] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3452] <... futex resumed>) = 0 [pid 3450] <... futex resumed>) = 0 [pid 3456] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3455] <... futex resumed>) = 1 [pid 3454] <... symlinkat resumed>) = 0 [pid 3452] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3450] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3457] rt_sigprocmask(SIG_SETMASK, [] [pid 3456] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3455] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3454] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3455] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3455] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3457] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3456] <... futex resumed>) = 1 [pid 3455] <... futex resumed>) = 1 [pid 3454] <... futex resumed>) = 1 [pid 3453] <... futex resumed>) = 0 [pid 3452] <... futex resumed>) = 0 [pid 3450] <... futex resumed>) = 0 [pid 3456] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3455] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3454] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3453] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3452] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3450] exit_group(0 [pid 3456] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3455] <... futex resumed>) = ? [pid 3453] <... futex resumed>) = 0 [pid 3452] <... futex resumed>) = 0 [pid 3450] <... exit_group resumed>) = ? [pid 3454] <... unlinkat resumed>) = 0 [pid 3457] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3456] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3455] +++ exited with 0 +++ [pid 3454] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3453] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3452] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3450] +++ exited with 0 +++ [pid 3457] <... prctl resumed>) = 0 [pid 3456] <... futex resumed>) = 0 [pid 3454] <... futex resumed>) = 0 [pid 3453] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3452] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3457] setpgid(0, 0 [pid 3456] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3454] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3453] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3452] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3450, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3457] <... setpgid resumed>) = 0 [pid 3456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3454] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3453] <... futex resumed>) = 0 [pid 3452] <... futex resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3456] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3454] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3453] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3452] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3456] <... mkdirat resumed>) = -1 EEXIST (File exists) ci2-android-5-15/strace-static-x86_64: Process 3458 attached [pid 3456] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3454] <... unlinkat resumed>) = 0 [pid 3456] <... futex resumed>) = 1 [pid 3454] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3453] <... futex resumed>) = 0 [pid 3456] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3454] <... futex resumed>) = 1 [pid 3453] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3452] <... futex resumed>) = 0 [pid 3457] <... openat resumed>) = 3 [pid 3456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3454] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3453] <... futex resumed>) = 0 [pid 3457] write(3, "1000", 4 [pid 3456] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3453] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3452] exit_group(0 [pid 3458] set_robust_list(0x5555810c5760, 24 [pid 3452] <... exit_group resumed>) = ? [pid 3457] <... write resumed>) = 4 [pid 3456] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3454] <... futex resumed>) = ? [pid 3458] <... set_robust_list resumed>) = 0 [pid 3456] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3458] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3458] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3458] setpgid(0, 0) = 0 [pid 3458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3456] <... futex resumed>) = 1 [pid 3453] <... futex resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 3456] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3454] +++ exited with 0 +++ [pid 3453] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3452] +++ exited with 0 +++ [pid 3457] close(3 [pid 3456] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3453] <... futex resumed>) = 0 [pid 3458] <... openat resumed>) = 3 [pid 3457] <... close resumed>) = 0 [pid 3456] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3453] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3452, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3458] write(3, "1000", 4 [pid 3457] write(1, "executing program\n", 18 [pid 3456] <... futex resumed>) = 0 [pid 3453] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] executing program [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3458] <... write resumed>) = 4 [pid 3457] <... write resumed>) = 18 [pid 3456] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3453] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 3458] close(3 [pid 3457] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3453] <... futex resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3458] <... close resumed>) = 0 [pid 3457] <... futex resumed>) = 0 [pid 3456] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3453] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3458] write(1, "executing program\n", 18) = 18 [pid 3458] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3458] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3458] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3459 executing program [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3458] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3457] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3456] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3458] <... mmap resumed>) = 0x7f85c0c15000 [pid 3457] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3456] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3458] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3456] <... futex resumed>) = 1 [pid 3453] <... futex resumed>) = 0 [pid 3458] <... mprotect resumed>) = 0 [pid 3458] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3458] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3453] exit_group(0 [pid 3456] ???( [pid 3457] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3453] <... exit_group resumed>) = ? [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3460 [pid 3456] <... ??? resumed>) = ? [pid 3458] <... clone3 resumed> => {parent_tid=[3461]}, 88) = 3461 [pid 3458] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3458] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3458] <... futex resumed>) = 0 [pid 3458] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3459 attached [pid 3459] set_robust_list(0x5555810c5760, 24) = 0 [pid 3459] rt_sigprocmask(SIG_SETMASK, [] [pid 3456] +++ exited with 0 +++ [pid 3457] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3453] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3453, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3459] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3461 attached ci2-android-5-15/strace-static-x86_64: Process 3460 attached [pid 3459] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3457] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3461] set_robust_list(0x7f85c0c359a0, 24 [pid 3460] set_robust_list(0x5555810c5760, 24 [pid 3457] <... mmap resumed>) = 0x7f85c0c15000 [pid 3461] <... set_robust_list resumed>) = 0 [pid 3460] <... set_robust_list resumed>) = 0 [pid 3457] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3461] rt_sigprocmask(SIG_SETMASK, [] [pid 3460] rt_sigprocmask(SIG_SETMASK, [] [pid 3459] <... prctl resumed>) = 0 [pid 3457] <... mprotect resumed>) = 0 [pid 3459] setpgid(0, 0) = 0 [pid 3457] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3459] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3457] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3461] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3460] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3457] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3459] <... openat resumed>) = 3 [pid 3459] write(3, "1000", 4 [pid 3457] <... clone3 resumed> => {parent_tid=[3462]}, 88) = 3462 [pid 3459] <... write resumed>) = 4 [pid 3457] rt_sigprocmask(SIG_SETMASK, [] [pid 3459] close(3 [pid 3457] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3460] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3459] <... close resumed>) = 0 [pid 3457] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3459] write(1, "executing program\n", 18 [pid 3460] <... prctl resumed>) = 0 [pid 3457] <... futex resumed>) = 0 [pid 3459] <... write resumed>) = 18 [pid 3457] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3460] setpgid(0, 0 executing program [pid 3459] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3459] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3459] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3459] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3459] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 ci2-android-5-15/strace-static-x86_64: Process 3462 attached [pid 3461] mkdirat(AT_FDCWD, "./config", 0777 [pid 3460] <... setpgid resumed>) = 0 [pid 3459] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3459] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[3463]}, 88) = 3463 [pid 3460] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3459] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3459] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3459] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3463 attached [pid 3463] set_robust_list(0x7f85c0c359a0, 24 [pid 3460] <... openat resumed>) = 3 [pid 3463] <... set_robust_list resumed>) = 0 [pid 3463] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3463] mkdirat(AT_FDCWD, "./config", 0777 [pid 3460] write(3, "1000", 4 [pid 3462] set_robust_list(0x7f85c0c359a0, 24 [pid 3461] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3463] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3463] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3462] <... set_robust_list resumed>) = 0 [pid 3461] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3460] <... write resumed>) = 4 [pid 3459] <... futex resumed>) = 0 [pid 3460] close(3 [pid 3461] <... futex resumed>) = 1 [pid 3460] <... close resumed>) = 0 [pid 3461] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3460] write(1, "executing program\n", 18) = 18 [pid 3459] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3458] <... futex resumed>) = 0 executing program [pid 3460] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3459] <... futex resumed>) = 0 [pid 3458] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3460] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3459] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3458] <... futex resumed>) = 1 [pid 3460] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3458] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3460] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3461] <... futex resumed>) = 0 [pid 3460] <... mmap resumed>) = 0x7f85c0c15000 [pid 3460] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3461] mount(NULL, "./config", "configfs", 0, NULL [pid 3460] <... mprotect resumed>) = 0 [pid 3460] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3460] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3461] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3461] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3460] <... clone3 resumed> => {parent_tid=[3464]}, 88) = 3464 [pid 3460] rt_sigprocmask(SIG_SETMASK, [] [pid 3458] <... futex resumed>) = 0 [pid 3463] mount(NULL, "./config", "configfs", 0, NULL [pid 3462] rt_sigprocmask(SIG_SETMASK, [] [pid 3460] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3458] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3462] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3460] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3458] <... futex resumed>) = 0 [pid 3463] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3460] <... futex resumed>) = 0 [pid 3458] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... restart_syscall resumed>) = 0 [pid 3462] mkdirat(AT_FDCWD, "./config", 0777 [pid 3463] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3460] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3463] <... futex resumed>) = 1 [pid 3462] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3459] <... futex resumed>) = 0 [pid 3463] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3462] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3459] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3462] <... futex resumed>) = 1 [pid 3459] <... futex resumed>) = 0 [pid 3457] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3463] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3462] mount(NULL, "./config", "configfs", 0, NULL [pid 3459] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3457] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 3464 attached [pid 3463] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3462] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3461] <... futex resumed>) = 1 [pid 3457] <... futex resumed>) = 0 [pid 3463] <... futex resumed>) = 1 [pid 3462] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3457] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3465 attached [pid 3463] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3462] <... futex resumed>) = 0 [pid 3459] <... futex resumed>) = 0 [pid 3457] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3463] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3462] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3459] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3457] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3465 [pid 3463] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3462] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3459] <... futex resumed>) = 0 [pid 3457] <... futex resumed>) = 0 [pid 3463] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3462] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3459] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3457] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3463] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3462] <... futex resumed>) = 0 [pid 3457] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3463] <... futex resumed>) = 1 [pid 3462] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3459] <... futex resumed>) = 0 [pid 3457] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3463] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3462] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3459] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3457] <... futex resumed>) = 0 [pid 3463] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3462] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3459] <... futex resumed>) = 0 [pid 3457] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3463] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3462] <... futex resumed>) = 0 [pid 3457] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3465] set_robust_list(0x5555810c5760, 24 [pid 3463] <... mkdirat resumed>) = 0 [pid 3462] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3461] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3459] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3457] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3464] set_robust_list(0x7f85c0c359a0, 24 [pid 3463] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3462] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3461] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3457] <... futex resumed>) = 0 [pid 3463] <... futex resumed>) = 1 [pid 3462] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3461] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3459] <... futex resumed>) = 0 [pid 3457] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3463] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3462] <... futex resumed>) = 0 [pid 3461] <... futex resumed>) = 1 [pid 3457] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3462] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3461] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3459] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3458] <... futex resumed>) = 0 [pid 3457] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3463] <... futex resumed>) = 0 [pid 3462] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3459] <... futex resumed>) = 1 [pid 3458] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3457] <... futex resumed>) = 0 [pid 3463] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3462] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3461] <... futex resumed>) = 0 [pid 3459] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3458] <... futex resumed>) = 1 [pid 3457] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3463] <... symlinkat resumed>) = 0 [pid 3462] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3461] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3458] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3463] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3462] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3465] <... set_robust_list resumed>) = 0 [pid 3464] <... set_robust_list resumed>) = 0 [pid 3463] <... futex resumed>) = 1 [pid 3462] <... futex resumed>) = 1 [pid 3461] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3459] <... futex resumed>) = 0 [pid 3457] <... futex resumed>) = 0 [pid 3463] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3462] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3461] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3459] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3457] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3465] rt_sigprocmask(SIG_SETMASK, [] [pid 3464] rt_sigprocmask(SIG_SETMASK, [] [pid 3463] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3462] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3461] <... futex resumed>) = 1 [pid 3459] <... futex resumed>) = 0 [pid 3458] <... futex resumed>) = 0 [pid 3457] <... futex resumed>) = 0 [pid 3465] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3464] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3463] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3462] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3461] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3459] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3458] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3457] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3463] <... unlinkat resumed>) = 0 [pid 3462] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3461] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3458] <... futex resumed>) = 0 [pid 3465] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3464] mkdirat(AT_FDCWD, "./config", 0777 [pid 3463] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3462] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3461] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3458] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3465] <... prctl resumed>) = 0 [pid 3464] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3463] <... futex resumed>) = 1 [pid 3462] <... futex resumed>) = 1 [pid 3461] <... futex resumed>) = 0 [pid 3459] <... futex resumed>) = 0 [pid 3457] <... futex resumed>) = 0 [pid 3465] setpgid(0, 0 [pid 3464] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3463] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3462] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3461] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3459] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3458] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3457] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3465] <... setpgid resumed>) = 0 [pid 3464] <... futex resumed>) = 1 [pid 3463] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3462] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3460] <... futex resumed>) = 0 [pid 3459] <... futex resumed>) = 0 [pid 3458] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3457] <... futex resumed>) = 0 [pid 3463] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3462] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3460] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3457] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3464] mount(NULL, "./config", "configfs", 0, NULL [pid 3463] <... unlinkat resumed>) = 0 [pid 3462] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3461] <... futex resumed>) = 0 [pid 3460] <... futex resumed>) = 0 [pid 3459] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3458] <... futex resumed>) = 1 [pid 3463] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3462] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3461] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3460] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3465] <... openat resumed>) = 3 [pid 3464] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3463] <... futex resumed>) = 0 [pid 3462] <... futex resumed>) = 1 [pid 3461] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3459] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3458] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3457] <... futex resumed>) = 0 [pid 3465] write(3, "1000", 4 [pid 3464] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3463] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3462] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3461] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3459] exit_group(0 [pid 3458] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3457] exit_group(0 [pid 3465] <... write resumed>) = 4 [pid 3464] <... futex resumed>) = 1 [pid 3463] <... futex resumed>) = ? [pid 3462] <... futex resumed>) = ? [pid 3461] <... futex resumed>) = 0 [pid 3460] <... futex resumed>) = 0 [pid 3459] <... exit_group resumed>) = ? [pid 3458] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3457] <... exit_group resumed>) = ? [pid 3465] close(3 [pid 3464] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3463] +++ exited with 0 +++ [pid 3462] +++ exited with 0 +++ [pid 3461] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3460] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3459] +++ exited with 0 +++ [pid 3458] <... futex resumed>) = 0 [pid 3457] +++ exited with 0 +++ [pid 3465] <... close resumed>) = 0 [pid 3464] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3461] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3460] <... futex resumed>) = 0 [pid 3458] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3459, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3465] write(1, "executing program\n", 18 [pid 3464] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3461] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3460] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3458] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3457, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3465] <... write resumed>) = 18 [pid 3464] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3461] <... futex resumed>) = 0 [pid 3458] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3465] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3464] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3461] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3458] <... futex resumed>) = 0 [pid 3465] <... futex resumed>) = 0 [pid 3464] <... futex resumed>) = 1 [pid 3461] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3460] <... futex resumed>) = 0 [pid 3465] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3464] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3461] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3460] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3458] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3465] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3464] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3461] <... futex resumed>) = 0 [pid 3460] <... futex resumed>) = 0 [pid 3465] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3464] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3461] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3460] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3458] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] <... restart_syscall resumed>) = 0 [pid 3465] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3464] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3465] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3464] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3458] exit_group(0 [pid 3465] <... mmap resumed>) = 0x7f85c0c15000 [pid 3464] <... futex resumed>) = 1 [pid 3461] <... futex resumed>) = ? [pid 3460] <... futex resumed>) = 0 [pid 3458] <... exit_group resumed>) = ? [pid 3465] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3464] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3461] +++ exited with 0 +++ [pid 3460] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3460] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3465] <... mprotect resumed>) = 0 [pid 3465] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3458] +++ exited with 0 +++ [pid 3465] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3464] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3458, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3465] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3464] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 3466 attached [pid 3464] <... mkdirat resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3466] set_robust_list(0x7f85c0c359a0, 24 [pid 3465] <... clone3 resumed> => {parent_tid=[3466]}, 88) = 3466 [pid 3464] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3465] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3465] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3465] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3464] <... futex resumed>) = 1 [pid 3460] <... futex resumed>) = 0 [pid 3466] <... set_robust_list resumed>) = 0 [pid 3464] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3460] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3467 [pid 3466] rt_sigprocmask(SIG_SETMASK, [] [pid 3464] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3460] <... futex resumed>) = 0 [pid 3466] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3464] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3460] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 3467 attached [pid 3464] <... symlinkat resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3466] mkdirat(AT_FDCWD, "./config", 0777 [pid 3464] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3460] <... futex resumed>) = 0 [pid 3466] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3464] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3460] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3466] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3464] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3460] <... futex resumed>) = 0 [pid 3466] <... futex resumed>) = 1 [pid 3465] <... futex resumed>) = 0 [pid 3464] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3460] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3465] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3466] mount(NULL, "./config", "configfs", 0, NULL [pid 3465] <... futex resumed>) = 0 [pid 3464] <... unlinkat resumed>) = 0 [pid 3465] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3464] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3460] <... futex resumed>) = 0 [pid 3466] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3460] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3466] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3464] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3460] <... futex resumed>) = 0 [pid 3460] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3467] set_robust_list(0x5555810c5760, 24 [pid 3464] <... unlinkat resumed>) = 0 [pid 3466] <... futex resumed>) = 1 [pid 3465] <... futex resumed>) = 0 [pid 3464] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3465] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3466] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3465] <... futex resumed>) = 0 [pid 3464] <... futex resumed>) = 1 [pid 3460] <... futex resumed>) = 0 [pid 3465] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3460] exit_group(0) = ? [pid 3466] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3467] <... set_robust_list resumed>) = 0 [pid 3467] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3467] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3467] setpgid(0, 0) = 0 [pid 3467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3464] +++ exited with 0 +++ [pid 3460] +++ exited with 0 +++ [pid 3466] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3460, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3466] <... futex resumed>) = 1 [pid 3465] <... futex resumed>) = 0 [pid 3465] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3465] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3467] <... openat resumed>) = 3 [pid 3467] write(3, "1000", 4) = 4 [pid 3467] close(3) = 0 [pid 3466] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3467] write(1, "executing program\n", 18) = 18 executing program [pid 3467] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3467] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3467] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3467] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3467] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3467] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3467] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[3468]}, 88) = 3468 [pid 3467] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3467] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3467] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3466] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3466] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3465] <... futex resumed>) = 0 [pid 3466] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3465] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3468 attached [pid 3466] <... mkdirat resumed>) = 0 [pid 3465] <... futex resumed>) = 0 [pid 3466] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3465] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3466] <... futex resumed>) = 0 [pid 3465] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3466] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3465] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3466] <... symlinkat resumed>) = 0 [pid 3465] <... futex resumed>) = 0 [pid 3466] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3465] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3466] <... futex resumed>) = 0 [pid 3465] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] <... restart_syscall resumed>) = 0 [pid 3466] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3465] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3466] <... unlinkat resumed>) = 0 [pid 3465] <... futex resumed>) = 0 [pid 3466] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3465] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3466] <... futex resumed>) = 0 [pid 3465] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3466] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3465] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 3469 attached [pid 3468] set_robust_list(0x7f85c0c359a0, 24 [pid 3466] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3465] <... futex resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 3466] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3465] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3469 [pid 3466] <... unlinkat resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3466] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3466] <... futex resumed>) = 1 [pid 3465] <... futex resumed>) = 0 [pid 3466] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3465] exit_group(0 [pid 3466] <... futex resumed>) = ? [pid 3465] <... exit_group resumed>) = ? [pid 3469] set_robust_list(0x5555810c5760, 24 [pid 3468] <... set_robust_list resumed>) = 0 [pid 3466] +++ exited with 0 +++ [pid 3465] +++ exited with 0 +++ [pid 304] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 3470 attached [pid 3469] <... set_robust_list resumed>) = 0 [pid 3468] rt_sigprocmask(SIG_SETMASK, [] [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3465, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3470 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3468] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3468] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3469] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3469] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3468] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3469] <... prctl resumed>) = 0 [pid 3469] setpgid(0, 0) = 0 [pid 3469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3468] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... restart_syscall resumed>) = 0 [pid 3469] write(3, "1000", 4) = 4 [pid 3469] close(3) = 0 [pid 3469] write(1, "executing program\n", 18) = 18 executing program [pid 3469] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3469] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3469] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3469] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3469] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3469] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3469] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[3472]}, 88) = 3472 [pid 3469] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3469] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3469] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3471 attached [pid 3471] set_robust_list(0x5555810c5760, 24) = 0 [pid 3471] rt_sigprocmask(SIG_SETMASK, [] [pid 3468] <... futex resumed>) = 1 [pid 3467] <... futex resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3471 [pid 3467] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3467] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3471] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3471] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3468] mount(NULL, "./config", "configfs", 0, NULL [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3471] <... prctl resumed>) = 0 [pid 3468] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3468] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3471] setpgid(0, 0) = 0 [pid 3471] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-5-15/strace-static-x86_64: Process 3472 attached [pid 3470] set_robust_list(0x5555810c5760, 24 [pid 3468] <... futex resumed>) = 1 [pid 3467] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3467] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3467] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3471] <... openat resumed>) = 3 [pid 3471] write(3, "1000", 4) = 4 [pid 3471] close(3) = 0 [pid 3471] write(1, "executing program\n", 18) = 18 [pid 3471] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 3471] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3471] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3471] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3471] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3471] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3468] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3471] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3471] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[3473]}, 88) = 3473 [pid 3471] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3471] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3471] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3468] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3474 ci2-android-5-15/strace-static-x86_64: Process 3473 attached [pid 3473] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3473] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3473] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3473] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3471] <... futex resumed>) = 0 [pid 3471] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3471] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3473] <... futex resumed>) = 1 [pid 3473] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3468] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3473] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3471] <... futex resumed>) = 0 [pid 3471] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3471] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3473] <... futex resumed>) = 1 [pid 3473] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3473] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3471] <... futex resumed>) = 0 [pid 3471] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3471] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3473] <... futex resumed>) = 1 [pid 3473] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3473] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3471] <... futex resumed>) = 0 [pid 3471] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3471] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3467] <... futex resumed>) = 0 [pid 3467] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3468] <... futex resumed>) = 1 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3468] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3467] <... futex resumed>) = 0 [pid 3468] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3467] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3468] <... futex resumed>) = 0 [pid 3468] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3467] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3467] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3468] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3468] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3467] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3473] <... futex resumed>) = 1 [pid 3473] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 3468] <... mkdirat resumed>) = 0 [pid 3473] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3468] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3471] <... futex resumed>) = 0 [pid 3468] <... futex resumed>) = 1 [pid 3467] <... futex resumed>) = 0 [pid 3471] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3468] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3467] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3471] <... futex resumed>) = 0 [pid 3470] <... set_robust_list resumed>) = 0 [pid 3468] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3467] <... futex resumed>) = 0 [pid 3471] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3468] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3467] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3470] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3468] <... symlinkat resumed>) = 0 [pid 3468] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3473] <... futex resumed>) = 1 [pid 3470] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3468] <... futex resumed>) = 1 [pid 3467] <... futex resumed>) = 0 [pid 3467] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3468] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3470] <... prctl resumed>) = 0 [pid 3467] <... futex resumed>) = 0 [pid 3468] <... unlinkat resumed>) = 0 [pid 3467] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3470] setpgid(0, 0 [pid 3468] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3467] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3468] <... futex resumed>) = 0 [pid 3470] <... setpgid resumed>) = 0 [pid 3467] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3468] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3467] <... futex resumed>) = 0 [pid 3467] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3473] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3468] <... unlinkat resumed>) = 0 [pid 3468] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3468] <... futex resumed>) = 1 [pid 3467] <... futex resumed>) = 0 [pid 3468] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3467] exit_group(0 [pid 3468] <... futex resumed>) = ? [pid 3467] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 3474 attached [pid 3472] set_robust_list(0x7f85c0c359a0, 24 [pid 3470] <... openat resumed>) = 3 [pid 3468] +++ exited with 0 +++ [pid 3467] +++ exited with 0 +++ [pid 3470] write(3, "1000", 4 [pid 3472] <... set_robust_list resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3467, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3473] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3473] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3471] <... futex resumed>) = 0 [pid 3471] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3471] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3473] <... futex resumed>) = 1 [pid 3473] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = -1 ENOENT (No such file or directory) [pid 3473] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3471] <... futex resumed>) = 0 [pid 3471] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3471] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3473] <... futex resumed>) = 1 [pid 3473] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = -1 ENOENT (No such file or directory) [pid 3473] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3471] <... futex resumed>) = 0 [pid 3471] exit_group(0) = ? [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3470] <... write resumed>) = 4 [pid 3474] set_robust_list(0x5555810c5760, 24 [pid 3472] rt_sigprocmask(SIG_SETMASK, [] [pid 3470] close(3 [pid 311] <... restart_syscall resumed>) = 0 [pid 3470] <... close resumed>) = 0 [pid 3473] <... futex resumed>) = ? [pid 3470] write(1, "executing program\n", 18 executing program [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3474] <... set_robust_list resumed>) = 0 [pid 3473] +++ exited with 0 +++ [pid 3472] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3471] +++ exited with 0 +++ [pid 3470] <... write resumed>) = 18 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3470] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3471, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 3475 attached [pid 3474] rt_sigprocmask(SIG_SETMASK, [] [pid 3472] mkdirat(AT_FDCWD, "./config", 0777 [pid 3470] <... futex resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3470] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3475 [pid 3472] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3470] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 3472] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3470] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3472] <... futex resumed>) = 1 [pid 3470] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3469] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3472] mount(NULL, "./config", "configfs", 0, NULL [pid 3470] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3469] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3470] <... mmap resumed>) = 0x7f85c0c15000 [pid 3469] <... futex resumed>) = 0 [pid 3470] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3469] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3474] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3472] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3470] <... mprotect resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3474] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3472] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3470] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3474] <... prctl resumed>) = 0 [pid 3470] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3469] <... futex resumed>) = 0 [pid 3474] setpgid(0, 0 [pid 3469] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3474] <... setpgid resumed>) = 0 [pid 3469] <... futex resumed>) = 0 [pid 3474] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3469] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3474] <... openat resumed>) = 3 [pid 3472] <... futex resumed>) = 1 [pid 3470] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3474] write(3, "1000", 4) = 4 [pid 3474] close(3 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3476 [pid 3472] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3470] <... clone3 resumed> => {parent_tid=[3477]}, 88) = 3477 [pid 3472] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3470] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3474] <... close resumed>) = 0 [pid 3472] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3470] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3474] write(1, "executing program\n", 18 [pid 3470] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3472] <... futex resumed>) = 1 [pid 3470] <... futex resumed>) = 0 [pid 3469] <... futex resumed>) = 0 [pid 3474] <... write resumed>) = 18 [pid 3472] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3470] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3469] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3474] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3472] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3469] <... futex resumed>) = 0 executing program [pid 3474] <... futex resumed>) = 0 [pid 3472] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3469] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3474] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3472] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3472] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3474] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3474] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3472] <... futex resumed>) = 1 [pid 3469] <... futex resumed>) = 0 [pid 3474] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3472] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3469] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3474] <... mmap resumed>) = 0x7f85c0c15000 [pid 3472] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3469] <... futex resumed>) = 0 [pid 3474] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3472] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3469] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3476 attached [pid 3474] <... mprotect resumed>) = 0 [pid 3476] set_robust_list(0x5555810c5760, 24 [pid 3474] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3472] <... mkdirat resumed>) = 0 [pid 3476] <... set_robust_list resumed>) = 0 [pid 3474] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3472] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3476] rt_sigprocmask(SIG_SETMASK, [] [pid 3474] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3472] <... futex resumed>) = 1 [pid 3469] <... futex resumed>) = 0 [pid 3476] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3472] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3469] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3477 attached [pid 3476] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3474] <... clone3 resumed> => {parent_tid=[3478]}, 88) = 3478 [pid 3472] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3469] <... futex resumed>) = 0 [pid 3477] set_robust_list(0x7f85c0c359a0, 24 [pid 3476] <... prctl resumed>) = 0 [pid 3474] rt_sigprocmask(SIG_SETMASK, [] [pid 3472] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3469] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3477] <... set_robust_list resumed>) = 0 [pid 3476] setpgid(0, 0 [pid 3474] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3477] rt_sigprocmask(SIG_SETMASK, [] [pid 3476] <... setpgid resumed>) = 0 [pid 3474] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3472] <... symlinkat resumed>) = 0 [pid 3477] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3474] <... futex resumed>) = 0 [pid 3472] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3477] mkdirat(AT_FDCWD, "./config", 0777 [pid 3476] <... openat resumed>) = 3 [pid 3475] set_robust_list(0x5555810c5760, 24 [pid 3474] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3472] <... futex resumed>) = 1 [pid 3469] <... futex resumed>) = 0 [pid 3477] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3476] write(3, "1000", 4 [pid 3475] <... set_robust_list resumed>) = 0 [pid 3472] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3469] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3472] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3469] <... futex resumed>) = 0 [pid 3472] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3469] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3477] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3476] <... write resumed>) = 4 [pid 3472] <... unlinkat resumed>) = 0 [pid 3475] rt_sigprocmask(SIG_SETMASK, [] [pid 3472] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3477] <... futex resumed>) = 1 [pid 3476] close(3 [pid 3475] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3472] <... futex resumed>) = 1 [pid 3470] <... futex resumed>) = 0 [pid 3469] <... futex resumed>) = 0 [pid 3472] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3470] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3469] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3472] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3470] <... futex resumed>) = 0 [pid 3475] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3472] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3470] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3469] <... futex resumed>) = 0 [pid 3477] mount(NULL, "./config", "configfs", 0, NULL [pid 3476] <... close resumed>) = 0 [pid 3469] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3475] <... prctl resumed>) = 0 [pid 3472] <... unlinkat resumed>) = 0 [pid 3477] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3476] write(1, "executing program\n", 18 [pid 3475] setpgid(0, 0 [pid 3472] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3477] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3476] <... write resumed>) = 18 [pid 3477] <... futex resumed>) = 1 executing program [pid 3476] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3475] <... setpgid resumed>) = 0 [pid 3472] <... futex resumed>) = 1 [pid 3470] <... futex resumed>) = 0 [pid 3469] <... futex resumed>) = 0 [pid 3477] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3476] <... futex resumed>) = 0 [pid 3472] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3470] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3478 attached [pid 3477] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3476] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3475] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3470] <... futex resumed>) = 0 [pid 3469] exit_group(0 [pid 3478] set_robust_list(0x7f85c0c359a0, 24 [pid 3477] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3476] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3478] <... set_robust_list resumed>) = 0 [pid 3477] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3476] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3472] <... futex resumed>) = ? [pid 3470] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3469] <... exit_group resumed>) = ? [pid 3478] rt_sigprocmask(SIG_SETMASK, [] [pid 3477] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3476] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3475] <... openat resumed>) = 3 [pid 3472] +++ exited with 0 +++ [pid 3470] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3478] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3477] <... futex resumed>) = 0 [pid 3476] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3478] mkdirat(AT_FDCWD, "./config", 0777 [pid 3477] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3476] <... mmap resumed>) = 0x7f85c0c15000 [pid 3478] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3476] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3478] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3476] <... mprotect resumed>) = 0 [pid 3469] +++ exited with 0 +++ [pid 3470] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3478] <... futex resumed>) = 1 [pid 3476] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3475] write(3, "1000", 4 [pid 3474] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3469, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3477] <... futex resumed>) = 0 [pid 3470] <... futex resumed>) = 1 [pid 3478] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3477] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3476] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3474] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3470] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3475] <... write resumed>) = 4 [pid 3478] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3477] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3476] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3474] <... futex resumed>) = 0 [pid 3478] mount(NULL, "./config", "configfs", 0, NULL [pid 3477] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3474] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3478] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3477] <... futex resumed>) = 1 [pid 3476] <... clone3 resumed> => {parent_tid=[3479]}, 88) = 3479 [pid 3475] close(3 [pid 3470] <... futex resumed>) = 0 [pid 3478] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3477] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3476] rt_sigprocmask(SIG_SETMASK, [] [pid 3470] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3478] <... futex resumed>) = 1 [pid 3477] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3476] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3475] <... close resumed>) = 0 [pid 3474] <... futex resumed>) = 0 [pid 3470] <... futex resumed>) = 0 [pid 3478] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3477] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3476] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3474] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3479 attached [pid 3478] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3477] <... mkdirat resumed>) = 0 [pid 3476] <... futex resumed>) = 0 [pid 3475] write(1, "executing program\n", 18 [pid 3474] <... futex resumed>) = 0 [pid 3470] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3478] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 executing program [pid 3477] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3476] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3475] <... write resumed>) = 18 [pid 3474] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3470] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3478] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3477] <... futex resumed>) = 0 [pid 3475] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3470] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3478] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3477] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3475] <... futex resumed>) = 0 [pid 3470] <... futex resumed>) = 0 [pid 3478] <... futex resumed>) = 1 [pid 3477] <... symlinkat resumed>) = 0 [pid 3475] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3474] <... futex resumed>) = 0 [pid 3470] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3479] set_robust_list(0x7f85c0c359a0, 24 [pid 3478] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3477] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3475] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3474] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3470] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3478] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3477] <... futex resumed>) = 0 [pid 3475] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3474] <... futex resumed>) = 0 [pid 3478] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3477] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3475] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3474] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3470] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3478] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3477] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3475] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3478] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3477] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3470] <... futex resumed>) = 0 [pid 3478] <... futex resumed>) = 1 [pid 3477] <... unlinkat resumed>) = 0 [pid 3475] <... mmap resumed>) = 0x7f85c0c15000 [pid 3474] <... futex resumed>) = 0 [pid 3470] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3478] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3477] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3475] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3474] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3470] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] <... restart_syscall resumed>) = 0 [pid 3478] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3477] <... futex resumed>) = 0 [pid 3475] <... mprotect resumed>) = 0 [pid 3474] <... futex resumed>) = 0 [pid 3470] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3478] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3477] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3475] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3474] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3470] <... futex resumed>) = 0 [pid 3478] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3477] <... unlinkat resumed>) = 0 [pid 3475] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3470] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3478] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3477] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3475] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3470] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3478] <... futex resumed>) = 1 [pid 3477] <... futex resumed>) = 0 [pid 3474] <... futex resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3470] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 3480 attached [pid 3479] <... set_robust_list resumed>) = 0 [pid 3478] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3475] <... clone3 resumed> => {parent_tid=[3480]}, 88) = 3480 [pid 3474] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3470] <... exit_group resumed>) = ? [pid 3478] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3477] +++ exited with 0 +++ [pid 3475] rt_sigprocmask(SIG_SETMASK, [] [pid 3474] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3481 [pid 3478] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3474] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3478] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3478] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3475] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3470] +++ exited with 0 +++ [pid 3478] <... futex resumed>) = 1 [pid 3475] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3474] <... futex resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3470, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3478] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3475] <... futex resumed>) = 0 [pid 3474] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3478] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3474] <... futex resumed>) = 0 [pid 3478] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3474] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3478] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3475] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3478] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3474] <... futex resumed>) = 0 [pid 3478] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3474] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3478] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3474] <... futex resumed>) = 0 [pid 3478] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3474] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3478] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3478] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3474] <... futex resumed>) = 0 [pid 3478] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3474] exit_group(0 [pid 3478] <... futex resumed>) = ? [pid 3474] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 3481 attached [pid 3480] set_robust_list(0x7f85c0c359a0, 24 [pid 3479] rt_sigprocmask(SIG_SETMASK, [] [pid 3478] +++ exited with 0 +++ [pid 3474] +++ exited with 0 +++ [pid 3481] set_robust_list(0x5555810c5760, 24) = 0 [pid 3481] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3481] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3479] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3474, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3481] <... prctl resumed>) = 0 [pid 3481] setpgid(0, 0) = 0 [pid 3481] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3479] mkdirat(AT_FDCWD, "./config", 0777 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3481] write(3, "1000", 4) = 4 [pid 3481] close(3) = 0 [pid 3481] write(1, "executing program\n", 18) = 18 executing program [pid 3481] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3481] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3481] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3481] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3481] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3481] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3479] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3481] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[3482]}, 88) = 3482 [pid 3481] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3481] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3481] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3482 attached [pid 3482] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3482] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3482] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3482] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3481] <... futex resumed>) = 0 [pid 3481] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3481] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3479] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3482] <... futex resumed>) = 1 [pid 3482] mount(NULL, "./config", "configfs", 0, NULL [pid 3480] <... set_robust_list resumed>) = 0 [pid 3479] <... futex resumed>) = 1 [pid 3479] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3480] rt_sigprocmask(SIG_SETMASK, [] [pid 3476] <... futex resumed>) = 0 [pid 3476] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3479] <... futex resumed>) = 0 [pid 3476] <... futex resumed>) = 1 [pid 3476] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3480] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3479] mount(NULL, "./config", "configfs", 0, NULL [pid 3482] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3482] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3479] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3479] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3480] mkdirat(AT_FDCWD, "./config", 0777 [pid 3479] <... futex resumed>) = 1 [pid 3480] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3479] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3481] <... futex resumed>) = 0 [pid 3476] <... futex resumed>) = 0 [pid 3480] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3481] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3476] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3481] <... futex resumed>) = 0 [pid 3479] <... futex resumed>) = 0 [pid 3476] <... futex resumed>) = 1 [pid 3475] <... futex resumed>) = 0 [pid 3480] <... futex resumed>) = 1 [pid 3479] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3475] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3481] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3476] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3479] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3475] <... futex resumed>) = 0 [pid 3480] mount(NULL, "./config", "configfs", 0, NULL [pid 3479] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3475] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3479] <... futex resumed>) = 1 [pid 3476] <... futex resumed>) = 0 [pid 3479] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3476] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3480] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3479] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3479] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3480] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3476] <... futex resumed>) = 0 [pid 3480] <... futex resumed>) = 1 [pid 3479] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3476] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3475] <... futex resumed>) = 0 [pid 3480] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3479] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3476] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3480] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3479] <... futex resumed>) = 0 [pid 3476] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3475] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3476] <... futex resumed>) = 0 [pid 3479] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3476] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3480] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3475] <... futex resumed>) = 0 [pid 3482] <... futex resumed>) = 1 [pid 3482] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3479] <... mkdirat resumed>) = 0 [pid 3475] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3480] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3479] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3476] <... futex resumed>) = 0 [pid 3480] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3479] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3476] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3476] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3479] <... symlinkat resumed>) = 0 [pid 3480] <... futex resumed>) = 1 [pid 3479] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3475] <... futex resumed>) = 0 [pid 3480] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3479] <... futex resumed>) = 1 [pid 3476] <... futex resumed>) = 0 [pid 3475] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3480] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3479] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3476] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3475] <... futex resumed>) = 0 [pid 3476] <... futex resumed>) = 0 [pid 3476] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3482] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3479] <... unlinkat resumed>) = 0 [pid 3480] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3479] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3475] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3479] <... futex resumed>) = 1 [pid 3476] <... futex resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 3480] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3479] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3476] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3479] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3476] <... futex resumed>) = 0 [pid 3480] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3479] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3476] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3482] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3481] <... futex resumed>) = 0 [pid 3481] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3480] <... futex resumed>) = 1 [pid 3479] <... unlinkat resumed>) = 0 [pid 3475] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3481] <... futex resumed>) = 0 [pid 3480] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3479] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3475] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3481] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3480] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3479] <... futex resumed>) = 1 [pid 3476] <... futex resumed>) = 0 [pid 3475] <... futex resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3480] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3479] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3476] exit_group(0) = ? [pid 3475] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3479] <... futex resumed>) = ? [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3483 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3479] +++ exited with 0 +++ [pid 3476] +++ exited with 0 +++ [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3484 [pid 3480] <... mkdirat resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3480] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3476, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3482] <... futex resumed>) = 1 [pid 3482] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3475] <... futex resumed>) = 0 [pid 3480] <... futex resumed>) = 1 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3480] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3475] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3482] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3475] <... futex resumed>) = 0 [pid 3481] <... futex resumed>) = 0 [pid 3475] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3481] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3480] <... symlinkat resumed>) = 0 [pid 3481] <... futex resumed>) = 0 [pid 3480] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3481] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3482] <... futex resumed>) = 1 [pid 3480] <... futex resumed>) = 1 [pid 3475] <... futex resumed>) = 0 [pid 3480] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3475] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3480] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3475] <... futex resumed>) = 0 [pid 3482] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 3480] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3475] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3482] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3480] <... unlinkat resumed>) = 0 [pid 3482] <... futex resumed>) = 1 [pid 3481] <... futex resumed>) = 0 [pid 3480] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3482] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3481] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3482] <... symlinkat resumed>) = 0 [pid 3481] <... futex resumed>) = 0 [pid 3480] <... futex resumed>) = 1 [pid 3475] <... futex resumed>) = 0 [pid 3482] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3481] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3475] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3482] <... futex resumed>) = 0 [pid 3481] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3480] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3482] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3481] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3475] <... futex resumed>) = 0 [pid 3482] <... unlinkat resumed>) = 0 [pid 3481] <... futex resumed>) = 0 [pid 3480] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3475] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3482] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3481] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3482] <... futex resumed>) = 0 [pid 3481] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3480] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3482] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3481] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3482] <... unlinkat resumed>) = 0 [pid 3481] <... futex resumed>) = 0 [pid 3480] <... futex resumed>) = 1 [pid 3475] <... futex resumed>) = 0 [pid 3482] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3481] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3480] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3482] <... futex resumed>) = 0 [pid 3481] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3475] exit_group(0 [pid 3482] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3481] exit_group(0 [pid 3482] <... futex resumed>) = ? [pid 3481] <... exit_group resumed>) = ? [pid 3480] <... futex resumed>) = ? [pid 3475] <... exit_group resumed>) = ? [pid 3482] +++ exited with 0 +++ [pid 3481] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 3483 attached [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3481, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3483] set_robust_list(0x5555810c5760, 24 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3483] <... set_robust_list resumed>) = 0 [pid 3483] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3483] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3483] setpgid(0, 0) = 0 ci2-android-5-15/strace-static-x86_64: Process 3484 attached [pid 3483] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3480] +++ exited with 0 +++ [pid 3475] +++ exited with 0 +++ [pid 3484] set_robust_list(0x5555810c5760, 24 [pid 3483] <... openat resumed>) = 3 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3475, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3484] <... set_robust_list resumed>) = 0 [pid 3483] write(3, "1000", 4 [pid 3484] rt_sigprocmask(SIG_SETMASK, [] [pid 3483] <... write resumed>) = 4 [pid 3484] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3483] close(3 [pid 3484] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3483] <... close resumed>) = 0 [pid 3484] <... prctl resumed>) = 0 executing program [pid 3483] write(1, "executing program\n", 18 [pid 3484] setpgid(0, 0 [pid 3483] <... write resumed>) = 18 [pid 3484] <... setpgid resumed>) = 0 [pid 3483] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3484] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3483] <... futex resumed>) = 0 [pid 3484] <... openat resumed>) = 3 [pid 3483] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3484] write(3, "1000", 4 [pid 3483] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3484] <... write resumed>) = 4 [pid 3483] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3484] close(3 [pid 3483] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3484] <... close resumed>) = 0 [pid 3483] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 3484] write(1, "executing program\n", 18 [pid 3483] <... mmap resumed>) = 0x7f85c0c15000 [pid 3484] <... write resumed>) = 18 [pid 3483] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE executing program [pid 3484] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3483] <... mprotect resumed>) = 0 [pid 3484] <... futex resumed>) = 0 [pid 3483] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3484] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3483] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3484] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3483] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3483] <... clone3 resumed> => {parent_tid=[3485]}, 88) = 3485 [pid 3484] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3483] rt_sigprocmask(SIG_SETMASK, [] [pid 3484] <... mmap resumed>) = 0x7f85c0c15000 [pid 3483] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3484] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3483] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3486 [pid 3484] <... mprotect resumed>) = 0 [pid 3483] <... futex resumed>) = 0 [pid 3484] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3483] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3484] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3484] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[3487]}, 88) = 3487 [pid 3484] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3484] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3484] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3487 attached [pid 3487] set_robust_list(0x7f85c0c359a0, 24 [pid 312] <... restart_syscall resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 3486 attached ci2-android-5-15/strace-static-x86_64: Process 3485 attached , [], 8) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3486] set_robust_list(0x5555810c5760, 24 [pid 3485] set_robust_list(0x7f85c0c359a0, 24ci2-android-5-15/strace-static-x86_64: Process 3488 attached [pid 3486] <... set_robust_list resumed>) = 0 [pid 3485] <... set_robust_list resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3488 [pid 312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3487] <... set_robust_list resumed>) = 0 [pid 3487] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3487] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3487] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3484] <... futex resumed>) = 0 [pid 3484] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3484] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3487] <... futex resumed>) = 1 [pid 3487] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3487] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3486] rt_sigprocmask(SIG_SETMASK, [] [pid 3484] <... futex resumed>) = 0 [pid 3484] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3484] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3487] <... futex resumed>) = 1 [pid 3487] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3487] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3484] <... futex resumed>) = 0 [pid 3484] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3484] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3487] <... futex resumed>) = 1 [pid 3487] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3487] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3484] <... futex resumed>) = 0 [pid 3484] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3484] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3487] <... futex resumed>) = 1 [pid 3487] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3486] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3487] <... mkdirat resumed>) = 0 [pid 3487] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3484] <... futex resumed>) = 0 [pid 3484] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3484] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3487] <... futex resumed>) = 1 [pid 3487] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3487] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3484] <... futex resumed>) = 0 [pid 3484] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3486] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3484] <... futex resumed>) = 0 [pid 3484] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3487] <... futex resumed>) = 1 [pid 3487] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3487] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3484] <... futex resumed>) = 0 [pid 3484] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3484] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3487] <... futex resumed>) = 1 [pid 3487] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3486] <... prctl resumed>) = 0 [pid 3485] rt_sigprocmask(SIG_SETMASK, [] [pid 3487] <... unlinkat resumed>) = 0 [pid 3487] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3484] <... futex resumed>) = 0 [pid 3484] exit_group(0) = ? [pid 3487] <... futex resumed>) = ? [pid 3486] setpgid(0, 0 [pid 3485] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3488] set_robust_list(0x5555810c5760, 24 [pid 3486] <... setpgid resumed>) = 0 [pid 3486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3485] mkdirat(AT_FDCWD, "./config", 0777 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3486] <... openat resumed>) = 3 [pid 3485] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3486] write(3, "1000", 4 [pid 3485] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3487] +++ exited with 0 +++ [pid 3484] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3484, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3488] <... set_robust_list resumed>) = 0 [pid 3486] <... write resumed>) = 4 [pid 3485] <... futex resumed>) = 1 [pid 3483] <... futex resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3489 [pid 3486] close(3 [pid 3483] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3486] <... close resumed>) = 0 [pid 3485] mount(NULL, "./config", "configfs", 0, NULL [pid 3483] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3486] write(1, "executing program\n", 18 executing program [pid 3488] rt_sigprocmask(SIG_SETMASK, [] [pid 3485] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3486] <... write resumed>) = 18 [pid 3488] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3488] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3488] setpgid(0, 0) = 0 [pid 3488] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3486] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3485] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3486] <... futex resumed>) = 0 [pid 3485] <... futex resumed>) = 1 [pid 3483] <... futex resumed>) = 0 [pid 3483] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3483] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3488] <... openat resumed>) = 3 [pid 3488] write(3, "1000", 4) = 4 [pid 3488] close(3) = 0 [pid 3488] write(1, "executing program\n", 18) = 18 [pid 3488] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 3488] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3488] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3488] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3488] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3488] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3486] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3485] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3486] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3486] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3485] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3486] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3485] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3486] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3483] <... futex resumed>) = 0 [pid 3483] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3486] <... mmap resumed>) = 0x7f85c0c15000 [pid 3485] <... futex resumed>) = 1 [pid 3483] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3486] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3485] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3486] <... mprotect resumed>) = 0 [pid 3488] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3485] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3488] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3486] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3485] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3486] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3485] <... futex resumed>) = 1 [pid 3483] <... futex resumed>) = 0 [pid 3486] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3485] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3483] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3483] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3485] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3486] <... clone3 resumed> => {parent_tid=[3491]}, 88) = 3491 [pid 3485] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3486] rt_sigprocmask(SIG_SETMASK, [] [pid 3488] <... clone3 resumed> => {parent_tid=[3490]}, 88) = 3490 [pid 3488] rt_sigprocmask(SIG_SETMASK, [] [pid 3485] <... mkdirat resumed>) = 0 [pid 3486] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3485] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3486] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3488] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3486] <... futex resumed>) = 0 [pid 3485] <... futex resumed>) = 1 [pid 3483] <... futex resumed>) = 0 [pid 3486] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3485] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3483] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... restart_syscall resumed>) = 0 [pid 3488] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3485] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3483] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3491 attached [pid 3488] <... futex resumed>) = 0 [pid 3485] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3483] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3488] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3485] <... symlinkat resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3485] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3491] set_robust_list(0x7f85c0c359a0, 24 [pid 3485] <... futex resumed>) = 1 [pid 3483] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3492 attached [pid 3483] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3492 [pid 3483] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3483] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3489 attached [pid 3489] set_robust_list(0x5555810c5760, 24) = 0 [pid 3489] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3485] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3489] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3485] <... unlinkat resumed>) = 0 [pid 3489] setpgid(0, 0) = 0 [pid 3489] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3491] <... set_robust_list resumed>) = 0 [pid 3485] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3489] <... openat resumed>) = 3 [pid 3489] write(3, "1000", 4) = 4 [pid 3489] close(3) = 0 executing program [pid 3489] write(1, "executing program\n", 18) = 18 [pid 3489] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3489] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3489] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3489] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3489] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3489] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3489] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3491] rt_sigprocmask(SIG_SETMASK, [] [pid 3485] <... futex resumed>) = 1 [pid 3483] <... futex resumed>) = 0 [pid 3492] set_robust_list(0x5555810c5760, 24 [pid 3485] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3483] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3483] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3485] <... unlinkat resumed>) = 0 [pid 3489] <... clone3 resumed> => {parent_tid=[3493]}, 88) = 3493 [pid 3485] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3489] rt_sigprocmask(SIG_SETMASK, [] [pid 3485] <... futex resumed>) = 1 [pid 3483] <... futex resumed>) = 0 [pid 3489] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3483] exit_group(0 [pid 3489] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3483] <... exit_group resumed>) = ? [pid 3492] <... set_robust_list resumed>) = 0 [pid 3491] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3489] <... futex resumed>) = 0 [pid 3485] +++ exited with 0 +++ [pid 3483] +++ exited with 0 +++ [pid 3489] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3483, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 3490 attached [pid 3490] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3490] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3490] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3490] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3488] <... futex resumed>) = 0 [pid 3488] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3488] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3490] <... futex resumed>) = 1 [pid 3490] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3490] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3488] <... futex resumed>) = 0 [pid 3488] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3488] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3490] <... futex resumed>) = 1 [pid 3490] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3490] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3488] <... futex resumed>) = 0 [pid 3488] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3488] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3490] <... futex resumed>) = 1 [pid 3490] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3490] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3488] <... futex resumed>) = 0 [pid 3490] <... futex resumed>) = 1 [pid 3488] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3490] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3488] <... futex resumed>) = 0 [pid 3490] <... mkdirat resumed>) = 0 [pid 3488] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3490] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3491] mkdirat(AT_FDCWD, "./config", 0777 [pid 3490] <... futex resumed>) = 1 [pid 3491] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3488] <... futex resumed>) = 0 [pid 3490] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3488] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3490] <... symlinkat resumed>) = 0 [pid 3488] <... futex resumed>) = 0 [pid 3492] rt_sigprocmask(SIG_SETMASK, [] [pid 3490] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3491] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3488] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3490] <... futex resumed>) = 0 [pid 3488] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3490] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3488] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3492] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3490] <... unlinkat resumed>) = 0 [pid 3491] <... futex resumed>) = 1 [pid 3488] <... futex resumed>) = 0 [pid 3486] <... futex resumed>) = 0 [pid 3490] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3488] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3490] <... futex resumed>) = 0 [pid 3491] mount(NULL, "./config", "configfs", 0, NULL [pid 3488] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3486] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3490] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3488] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3486] <... futex resumed>) = 0 [pid 3490] <... unlinkat resumed>) = 0 [pid 3491] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3488] <... futex resumed>) = 0 [pid 3490] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3491] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3488] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3486] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3490] <... futex resumed>) = 0 [pid 3491] <... futex resumed>) = 0 [pid 3488] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3486] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3490] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3491] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3488] exit_group(0 [pid 3486] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3490] <... futex resumed>) = ? [pid 3491] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3488] <... exit_group resumed>) = ? [pid 3486] <... futex resumed>) = 0 [pid 3492] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3490] +++ exited with 0 +++ [pid 3491] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3488] +++ exited with 0 +++ [pid 3486] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3492] <... prctl resumed>) = 0 [pid 3491] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3488, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3492] setpgid(0, 0 [pid 3491] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 3493 attached [pid 3492] <... setpgid resumed>) = 0 [pid 3491] <... futex resumed>) = 1 [pid 3486] <... futex resumed>) = 0 [pid 3491] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3486] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3491] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3486] <... futex resumed>) = 0 [pid 3493] set_robust_list(0x7f85c0c359a0, 24 [pid 3492] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3491] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3486] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3493] <... set_robust_list resumed>) = 0 [pid 3491] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3493] rt_sigprocmask(SIG_SETMASK, [] [pid 3492] <... openat resumed>) = 3 [pid 3491] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3493] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3492] write(3, "1000", 4 [pid 3491] <... futex resumed>) = 1 [pid 3486] <... futex resumed>) = 0 [pid 3493] mkdirat(AT_FDCWD, "./config", 0777 [pid 3492] <... write resumed>) = 4 [pid 3491] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3486] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3493] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3486] <... futex resumed>) = 0 [pid 3493] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3486] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3493] <... futex resumed>) = 1 [pid 3492] close(3 [pid 3491] <... mkdirat resumed>) = 0 [pid 3489] <... futex resumed>) = 0 [pid 3493] mount(NULL, "./config", "configfs", 0, NULL [pid 3491] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3489] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3493] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3492] <... close resumed>) = 0 [pid 3491] <... futex resumed>) = 1 [pid 3489] <... futex resumed>) = 0 [pid 3486] <... futex resumed>) = 0 [pid 3493] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3492] write(1, "executing program\n", 18 [pid 3491] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3489] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} executing program [pid 3486] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3493] <... futex resumed>) = 0 [pid 3492] <... write resumed>) = 18 [pid 3491] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3489] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3486] <... futex resumed>) = 0 [pid 3493] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3492] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3491] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3489] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3493] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3489] <... futex resumed>) = 0 [pid 3486] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3493] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3492] <... futex resumed>) = 0 [pid 3491] <... symlinkat resumed>) = 0 [pid 3489] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3493] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3492] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3491] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3492] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 3492] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3491] <... futex resumed>) = 1 [pid 3486] <... futex resumed>) = 0 [pid 3492] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3491] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3486] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3491] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3486] <... futex resumed>) = 0 [pid 3492] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3491] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3486] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3493] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3493] <... futex resumed>) = 1 [pid 3492] <... mmap resumed>) = 0x7f85c0c15000 [pid 3491] <... unlinkat resumed>) = 0 [pid 3489] <... futex resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3493] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3492] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3491] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3489] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3493] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3489] <... futex resumed>) = 0 [pid 3493] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3489] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3493] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3486] <... futex resumed>) = 0 [pid 3491] <... futex resumed>) = 1 [pid 3493] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3492] <... mprotect resumed>) = 0 [pid 3486] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3493] <... futex resumed>) = 1 [pid 3491] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3489] <... futex resumed>) = 0 [pid 3486] <... futex resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3494 [pid 3493] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3492] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3489] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3486] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3494 attached [pid 3493] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3491] <... unlinkat resumed>) = 0 [pid 3489] <... futex resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3493] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3492] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3491] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3489] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3493] <... mkdirat resumed>) = 0 [pid 3492] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3491] <... futex resumed>) = 1 [pid 3486] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3493] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3486] exit_group(0 [pid 3493] <... futex resumed>) = 1 [pid 3489] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3486] <... exit_group resumed>) = ? [pid 3491] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 3493] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3489] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3493] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3489] <... futex resumed>) = 0 [pid 3493] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3489] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3496 [pid 3493] <... symlinkat resumed>) = 0 [pid 3492] <... clone3 resumed> => {parent_tid=[3495]}, 88) = 3495 [pid 3491] +++ exited with 0 +++ [pid 3486] +++ exited with 0 +++ [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3494] set_robust_list(0x5555810c5760, 24 [pid 3493] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3492] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3493] <... futex resumed>) = 1 [pid 3492] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3489] <... futex resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3486, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3493] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3492] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3489] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3493] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3492] <... futex resumed>) = 0 [pid 3489] <... futex resumed>) = 0 [pid 3494] <... set_robust_list resumed>) = 0 [pid 3493] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3489] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3494] rt_sigprocmask(SIG_SETMASK, [] [pid 3493] <... unlinkat resumed>) = 0 [pid 3492] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3496 attached [pid 3494] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3493] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3494] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3493] <... futex resumed>) = 1 [pid 3489] <... futex resumed>) = 0 [pid 3494] <... prctl resumed>) = 0 [pid 3493] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3489] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3494] setpgid(0, 0 [pid 3493] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3489] <... futex resumed>) = 0 [pid 3494] <... setpgid resumed>) = 0 [pid 3493] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3489] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3495 attached [pid 3496] set_robust_list(0x5555810c5760, 24 [pid 3494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3493] <... unlinkat resumed>) = 0 [pid 3494] <... openat resumed>) = 3 [pid 3493] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3496] <... set_robust_list resumed>) = 0 [pid 3494] write(3, "1000", 4 [pid 3493] <... futex resumed>) = 1 [pid 3489] <... futex resumed>) = 0 [pid 3494] <... write resumed>) = 4 [pid 3493] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3489] exit_group(0 [pid 3494] close(3 [pid 3493] <... futex resumed>) = ? [pid 3489] <... exit_group resumed>) = ? [pid 3496] rt_sigprocmask(SIG_SETMASK, [] [pid 3495] set_robust_list(0x7f85c0c359a0, 24 [pid 3494] <... close resumed>) = 0 [pid 3493] +++ exited with 0 +++ [pid 3496] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3489] +++ exited with 0 +++ [pid 3494] write(1, "executing program\n", 18 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3489, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3494] <... write resumed>) = 18 [pid 3494] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3494] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3494] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3494] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3494] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3494] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3496] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3495] <... set_robust_list resumed>) = 0 [pid 3494] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3494] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[3497]}, 88) = 3497 [pid 3494] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3494] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3494] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3497 attached [pid 3497] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3497] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3497] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3497] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3494] <... futex resumed>) = 0 [pid 3494] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3494] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3497] <... futex resumed>) = 1 [pid 3497] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3496] <... prctl resumed>) = 0 [pid 3497] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3494] <... futex resumed>) = 0 [pid 3494] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3494] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3497] <... futex resumed>) = 1 [pid 3497] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3497] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3494] <... futex resumed>) = 0 [pid 3494] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3494] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3497] <... futex resumed>) = 1 [pid 3497] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3497] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3494] <... futex resumed>) = 0 [pid 3494] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3494] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3497] <... futex resumed>) = 1 [pid 3497] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3496] setpgid(0, 0 [pid 3495] rt_sigprocmask(SIG_SETMASK, [] [pid 3496] <... setpgid resumed>) = 0 [pid 3497] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3494] <... futex resumed>) = 0 [pid 3494] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3494] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3497] <... futex resumed>) = 1 [pid 3497] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3497] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3496] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3494] <... futex resumed>) = 0 [pid 3494] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3496] <... openat resumed>) = 3 [pid 3494] <... futex resumed>) = 0 [pid 3496] write(3, "1000", 4 [pid 3494] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3496] <... write resumed>) = 4 [pid 3497] <... futex resumed>) = 1 [pid 3497] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3496] close(3) = 0 [pid 3496] write(1, "executing program\n", 18 [pid 3497] <... unlinkat resumed>) = 0 executing program [pid 3496] <... write resumed>) = 18 [pid 3497] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3496] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3494] <... futex resumed>) = 0 [pid 3496] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3494] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3496] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3494] <... futex resumed>) = 0 [pid 3496] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3494] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3496] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3496] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 3496] <... mmap resumed>) = 0x7f85c0c15000 [pid 3496] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3497] <... futex resumed>) = 1 [pid 3497] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3496] <... mprotect resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... restart_syscall resumed>) = 0 [pid 3497] <... unlinkat resumed>) = 0 [pid 3497] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3494] <... futex resumed>) = 0 [pid 3494] exit_group(0 [pid 3496] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3494] <... exit_group resumed>) = ? [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3498 [pid 3496] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3496] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3495] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3497] <... futex resumed>) = ? [pid 3496] <... clone3 resumed> => {parent_tid=[3499]}, 88) = 3499 ci2-android-5-15/strace-static-x86_64: Process 3499 attached [pid 3499] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3499] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3499] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 3498 attached [pid 3498] set_robust_list(0x5555810c5760, 24 [pid 3496] rt_sigprocmask(SIG_SETMASK, [] [pid 3495] mkdirat(AT_FDCWD, "./config", 0777 [pid 3496] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3500 [pid 3496] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3498] <... set_robust_list resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3496] <... futex resumed>) = 1 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3496] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3495] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3499] <... futex resumed>) = 0 [pid 3495] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3499] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3499] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3496] <... futex resumed>) = 0 [pid 3495] <... futex resumed>) = 1 [pid 3496] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3492] <... futex resumed>) = 0 [pid 3496] <... futex resumed>) = 0 [pid 3495] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3492] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3496] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3492] <... futex resumed>) = 0 [pid 3495] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3492] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3499] mount(NULL, "./config", "configfs", 0, NULL [pid 3495] mount(NULL, "./config", "configfs", 0, NULL [pid 3499] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3499] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3496] <... futex resumed>) = 0 [pid 3496] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3495] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3496] <... futex resumed>) = 0 [pid 3496] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3495] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3499] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3498] rt_sigprocmask(SIG_SETMASK, [] [pid 3495] <... futex resumed>) = 1 [pid 3492] <... futex resumed>) = 0 [pid 3499] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3492] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3497] +++ exited with 0 +++ [pid 3495] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3494] +++ exited with 0 +++ [pid 3492] <... futex resumed>) = 0 [pid 3492] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3494, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3495] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3499] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3495] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3499] <... futex resumed>) = 1 [pid 3496] <... futex resumed>) = 0 [pid 3495] <... futex resumed>) = 1 [pid 3492] <... futex resumed>) = 0 [pid 3499] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3496] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3492] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3496] <... futex resumed>) = 0 [pid 3495] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3492] <... futex resumed>) = 0 [pid 3496] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3492] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3499] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3495] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3499] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3498] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3495] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3499] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3496] <... futex resumed>) = 0 [pid 3496] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3496] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3499] <... futex resumed>) = 1 [pid 3499] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 ci2-android-5-15/strace-static-x86_64: Process 3500 attached [pid 3495] <... futex resumed>) = 1 [pid 3492] <... futex resumed>) = 0 [pid 3498] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3495] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3492] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3498] <... prctl resumed>) = 0 [pid 3498] setpgid(0, 0) = 0 [pid 3492] <... futex resumed>) = 0 [pid 3495] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3492] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3495] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3498] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3499] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3496] <... futex resumed>) = 0 [pid 3496] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3495] <... futex resumed>) = 1 [pid 3492] <... futex resumed>) = 0 [pid 3496] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3492] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3495] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3492] <... futex resumed>) = 0 [pid 3499] <... futex resumed>) = 1 [pid 3499] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3492] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3499] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3495] <... symlinkat resumed>) = 0 [pid 3498] write(3, "1000", 4 [pid 3495] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3498] <... write resumed>) = 4 [pid 3492] <... futex resumed>) = 0 [pid 3495] <... futex resumed>) = 1 [pid 3492] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3495] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3492] <... futex resumed>) = 0 [pid 3498] close(3 [pid 3492] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3495] <... unlinkat resumed>) = 0 [pid 3499] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3495] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3498] <... close resumed>) = 0 [pid 3495] <... futex resumed>) = 1 [pid 3492] <... futex resumed>) = 0 [pid 3495] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3492] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3496] <... futex resumed>) = 0 [pid 3496] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3492] <... futex resumed>) = 0 [pid 3495] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3496] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3495] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3492] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3499] <... futex resumed>) = 1 [pid 3498] write(1, "executing program\n", 18 [pid 3499] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3498] <... write resumed>) = 18 [pid 3495] <... unlinkat resumed>) = 0 executing program [pid 3499] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3495] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3498] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3495] <... futex resumed>) = 1 [pid 3492] <... futex resumed>) = 0 [pid 3495] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3499] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3498] <... futex resumed>) = 0 [pid 3496] <... futex resumed>) = 0 [pid 3492] exit_group(0 [pid 3496] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3495] <... futex resumed>) = ? [pid 3492] <... exit_group resumed>) = ? [pid 3496] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3498] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3499] <... futex resumed>) = 1 [pid 3498] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3499] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3498] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3499] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3498] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3498] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3499] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3495] +++ exited with 0 +++ [pid 3492] +++ exited with 0 +++ [pid 3499] <... futex resumed>) = 1 [pid 3498] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3496] <... futex resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3492, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3499] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3498] <... mprotect resumed>) = 0 [pid 3496] exit_group(0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3499] <... futex resumed>) = ? [pid 3498] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3496] <... exit_group resumed>) = ? [pid 304] <... restart_syscall resumed>) = 0 [pid 3500] set_robust_list(0x5555810c5760, 24 [pid 3498] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3500] <... set_robust_list resumed>) = 0 [pid 3498] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3500] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 3501 attached ci2-android-5-15/strace-static-x86_64: Process 3502 attached [pid 3500] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3499] +++ exited with 0 +++ [pid 3498] <... clone3 resumed> => {parent_tid=[3501]}, 88) = 3501 [pid 3496] +++ exited with 0 +++ [pid 3502] set_robust_list(0x5555810c5760, 24 [pid 3501] set_robust_list(0x7f85c0c359a0, 24 [pid 3500] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3498] rt_sigprocmask(SIG_SETMASK, [] [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3496, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3502 [pid 3502] <... set_robust_list resumed>) = 0 [pid 3501] <... set_robust_list resumed>) = 0 [pid 3500] <... prctl resumed>) = 0 [pid 3498] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3501] rt_sigprocmask(SIG_SETMASK, [] [pid 3500] setpgid(0, 0 [pid 3498] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... restart_syscall resumed>) = 0 [pid 3502] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3501] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3500] <... setpgid resumed>) = 0 [pid 3498] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3502] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3501] mkdirat(AT_FDCWD, "./config", 0777 [pid 3500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3498] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3502] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3501] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3500] <... openat resumed>) = 3 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 3503 attached [pid 3502] <... prctl resumed>) = 0 [pid 3501] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3500] write(3, "1000", 4 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3503] set_robust_list(0x5555810c5760, 24 [pid 3502] setpgid(0, 0 [pid 3501] <... futex resumed>) = 1 [pid 3500] <... write resumed>) = 4 [pid 3498] <... futex resumed>) = 0 executing program [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3503 [pid 3503] <... set_robust_list resumed>) = 0 [pid 3502] <... setpgid resumed>) = 0 [pid 3501] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3500] close(3 [pid 3498] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3500] <... close resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3501] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3500] write(1, "executing program\n", 18 [pid 3498] <... futex resumed>) = 0 [pid 3502] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3503] rt_sigprocmask(SIG_SETMASK, [] [pid 3501] mount(NULL, "./config", "configfs", 0, NULL [pid 3500] <... write resumed>) = 18 [pid 3498] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3504 [pid 3501] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3500] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3503] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3502] <... openat resumed>) = 3 [pid 3501] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3500] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3502] write(3, "1000", 4 [pid 3501] <... futex resumed>) = 1 [pid 3500] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3498] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3503] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3502] <... write resumed>) = 4 [pid 3501] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3500] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3498] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3503] <... prctl resumed>) = 0 [pid 3502] close(3 [pid 3501] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3500] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3498] <... futex resumed>) = 0 [pid 3503] setpgid(0, 0 [pid 3502] <... close resumed>) = 0 [pid 3501] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3500] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3498] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3503] <... setpgid resumed>) = 0 [pid 3502] write(1, "executing program\n", 18 [pid 3501] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3500] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3502] <... write resumed>) = 18 [pid 3501] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3500] <... mmap resumed>) = 0x7f85c0c15000 [pid 3503] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3501] <... futex resumed>) = 1 executing program [pid 3500] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3502] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3498] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3504 attached [pid 3503] <... openat resumed>) = 3 [pid 3502] <... futex resumed>) = 0 [pid 3501] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3500] <... mprotect resumed>) = 0 [pid 3498] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3503] write(3, "1000", 4 [pid 3502] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3501] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3498] <... futex resumed>) = 0 [pid 3504] set_robust_list(0x5555810c5760, 24 [pid 3503] <... write resumed>) = 4 [pid 3502] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3501] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3500] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3498] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3503] close(3 [pid 3502] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3501] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3504] <... set_robust_list resumed>) = 0 [pid 3503] <... close resumed>) = 0 [pid 3502] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3501] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3500] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3503] write(1, "executing program\n", 18 [pid 3502] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3501] <... futex resumed>) = 1 [pid 3498] <... futex resumed>) = 0 [pid 3503] <... write resumed>) = 18 [pid 3502] <... mmap resumed>) = 0x7f85c0c15000 executing program [pid 3501] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3500] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3498] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3504] rt_sigprocmask(SIG_SETMASK, [] [pid 3503] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3502] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3501] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3498] <... futex resumed>) = 0 [pid 3503] <... futex resumed>) = 0 [pid 3502] <... mprotect resumed>) = 0 [pid 3501] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3498] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3505 attached [pid 3504] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3503] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3502] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3501] <... mkdirat resumed>) = 0 [pid 3500] <... clone3 resumed> => {parent_tid=[3505]}, 88) = 3505 [pid 3505] set_robust_list(0x7f85c0c359a0, 24 [pid 3504] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3501] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3500] rt_sigprocmask(SIG_SETMASK, [] [pid 3505] <... set_robust_list resumed>) = 0 [pid 3504] <... prctl resumed>) = 0 [pid 3503] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3502] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3501] <... futex resumed>) = 1 [pid 3500] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3498] <... futex resumed>) = 0 [pid 3505] rt_sigprocmask(SIG_SETMASK, [] [pid 3504] setpgid(0, 0 [pid 3501] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3500] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3498] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3502] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3505] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3504] <... setpgid resumed>) = 0 [pid 3501] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3500] <... futex resumed>) = 0 [pid 3498] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3506 attached [pid 3505] mkdirat(AT_FDCWD, "./config", 0777 [pid 3504] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3503] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3500] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3505] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3504] <... openat resumed>) = 3 [pid 3505] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3504] write(3, "1000", 4 [pid 3505] <... futex resumed>) = 1 [pid 3504] <... write resumed>) = 4 [pid 3500] <... futex resumed>) = 0 [pid 3505] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3504] close(3 [pid 3500] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3506] set_robust_list(0x7f85c0c359a0, 24 [pid 3505] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3504] <... close resumed>) = 0 [pid 3503] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3502] <... clone3 resumed> => {parent_tid=[3506]}, 88) = 3506 [pid 3501] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3500] <... futex resumed>) = 0 [pid 3498] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3505] mount(NULL, "./config", "configfs", 0, NULL [pid 3504] write(1, "executing program\n", 18 executing program [pid 3502] rt_sigprocmask(SIG_SETMASK, [] [pid 3501] <... symlinkat resumed>) = 0 [pid 3500] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3506] <... set_robust_list resumed>) = 0 [pid 3505] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3504] <... write resumed>) = 18 [pid 3503] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3506] rt_sigprocmask(SIG_SETMASK, [] [pid 3505] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3504] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3502] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3501] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3505] <... futex resumed>) = 1 [pid 3504] <... futex resumed>) = 0 [pid 3500] <... futex resumed>) = 0 [pid 3505] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3504] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3500] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3506] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3504] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3503] <... mmap resumed>) = 0x7f85c0c15000 [pid 3502] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3501] <... futex resumed>) = 1 [pid 3500] <... futex resumed>) = 0 [pid 3498] <... futex resumed>) = 0 [pid 3504] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3500] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3498] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3502] <... futex resumed>) = 0 [pid 3504] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3503] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3501] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3498] <... futex resumed>) = 0 [pid 3505] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3504] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3503] <... mprotect resumed>) = 0 [pid 3502] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3501] <... unlinkat resumed>) = 0 [pid 3498] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3505] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3504] <... mmap resumed>) = 0x7f85c0c15000 [pid 3503] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3501] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3498] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3506] mkdirat(AT_FDCWD, "./config", 0777 [pid 3505] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3504] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3503] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3501] <... futex resumed>) = 0 [pid 3498] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3506] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3505] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3504] <... mprotect resumed>) = 0 [pid 3503] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3501] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3498] <... futex resumed>) = 0 [pid 3506] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3505] <... futex resumed>) = 1 [pid 3504] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3500] <... futex resumed>) = 0 [pid 3506] <... futex resumed>) = 1 [pid 3505] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3504] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3503] <... clone3 resumed> => {parent_tid=[3507]}, 88) = 3507 [pid 3502] <... futex resumed>) = 0 [pid 3501] <... unlinkat resumed>) = 0 [pid 3500] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3498] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3506] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3505] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3504] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3503] rt_sigprocmask(SIG_SETMASK, [] [pid 3502] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3501] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3500] <... futex resumed>) = 0 [pid 3498] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ci2-android-5-15/strace-static-x86_64: Process 3508 attached [pid 3506] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3505] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3500] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3506] mount(NULL, "./config", "configfs", 0, NULL [pid 3505] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3504] <... clone3 resumed> => {parent_tid=[3508]}, 88) = 3508 [pid 3503] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3502] <... futex resumed>) = 0 [pid 3501] <... futex resumed>) = 0 [pid 3498] exit_group(0 [pid 3508] set_robust_list(0x7f85c0c359a0, 24 [pid 3506] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3505] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3504] rt_sigprocmask(SIG_SETMASK, [] [pid 3503] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3502] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3498] <... exit_group resumed>) = ? [pid 3506] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3505] <... futex resumed>) = 1 [pid 3504] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3503] <... futex resumed>) = 0 [pid 3502] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3500] <... futex resumed>) = 0 [pid 3506] <... futex resumed>) = 0 [pid 3505] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3504] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3503] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3500] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3506] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3505] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3504] <... futex resumed>) = 0 [pid 3500] <... futex resumed>) = 0 [pid 3505] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3504] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3500] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3505] <... mkdirat resumed>) = 0 [pid 3502] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3501] +++ exited with 0 +++ [pid 3498] +++ exited with 0 +++ [pid 3505] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3502] <... futex resumed>) = 1 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3498, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3505] <... futex resumed>) = 1 [pid 3502] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3500] <... futex resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3505] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3500] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3505] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3500] <... futex resumed>) = 0 [pid 3505] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3500] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3508] <... set_robust_list resumed>) = 0 [pid 3506] <... futex resumed>) = 0 [pid 3505] <... symlinkat resumed>) = 0 [pid 3505] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3500] <... futex resumed>) = 0 [pid 3505] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3500] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3505] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3500] <... futex resumed>) = 0 [pid 3505] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3500] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3508] rt_sigprocmask(SIG_SETMASK, [] [pid 3506] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3505] <... unlinkat resumed>) = 0 [pid 3505] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3500] <... futex resumed>) = 0 [pid 3505] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3500] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3505] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3500] <... futex resumed>) = 0 [pid 3505] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3500] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3508] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3506] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3505] <... unlinkat resumed>) = 0 [pid 3505] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3500] <... futex resumed>) = 0 [pid 3505] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3500] exit_group(0 [pid 3508] mkdirat(AT_FDCWD, "./config", 0777 [pid 3506] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3505] <... futex resumed>) = ? [pid 3500] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 3507 attached [pid 3508] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3506] <... futex resumed>) = 1 [pid 3505] +++ exited with 0 +++ [pid 3502] <... futex resumed>) = 0 [pid 3500] +++ exited with 0 +++ [pid 3507] set_robust_list(0x7f85c0c359a0, 24 [pid 3506] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3502] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3500, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3508] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3507] <... set_robust_list resumed>) = 0 [pid 3506] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3502] <... futex resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3507] rt_sigprocmask(SIG_SETMASK, [] [pid 3506] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3502] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3506] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3507] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3506] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3508] <... futex resumed>) = 1 [pid 3507] mkdirat(AT_FDCWD, "./config", 0777 [pid 3506] <... futex resumed>) = 1 [pid 3504] <... futex resumed>) = 0 [pid 3502] <... futex resumed>) = 0 [pid 3508] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3507] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3506] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3504] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3502] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3508] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3507] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3506] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3504] <... futex resumed>) = 0 [pid 3502] <... futex resumed>) = 0 [pid 3508] mount(NULL, "./config", "configfs", 0, NULL [pid 3507] <... futex resumed>) = 1 [pid 3506] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3504] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3503] <... futex resumed>) = 0 [pid 3502] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... restart_syscall resumed>) = 0 [pid 3507] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3503] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3508] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3507] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3506] <... mkdirat resumed>) = 0 [pid 3503] <... futex resumed>) = 0 [pid 3508] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3507] mount(NULL, "./config", "configfs", 0, NULL [pid 3506] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3503] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3508] <... futex resumed>) = 1 [pid 3507] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3506] <... futex resumed>) = 1 [pid 3504] <... futex resumed>) = 0 [pid 3502] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3508] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3507] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3506] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3504] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3502] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 3509 attached [pid 3508] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3507] <... futex resumed>) = 1 [pid 3506] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3504] <... futex resumed>) = 0 [pid 3503] <... futex resumed>) = 0 [pid 3502] <... futex resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 3508] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3507] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3506] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3504] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3503] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3502] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3509 [pid 3508] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3507] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3506] <... symlinkat resumed>) = 0 [pid 3503] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3509] set_robust_list(0x5555810c5760, 24 [pid 3508] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3507] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3506] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3503] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3508] <... futex resumed>) = 1 [pid 3507] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3506] <... futex resumed>) = 1 [pid 3504] <... futex resumed>) = 0 [pid 3502] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3508] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3507] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3506] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3504] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3502] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3508] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3507] <... futex resumed>) = 1 [pid 3506] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3504] <... futex resumed>) = 0 [pid 3503] <... futex resumed>) = 0 [pid 3502] <... futex resumed>) = 0 [pid 3507] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3504] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3503] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3508] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3507] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3506] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3503] <... futex resumed>) = 0 [pid 3502] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3510 ci2-android-5-15/strace-static-x86_64: Process 3510 attached [pid 3509] <... set_robust_list resumed>) = 0 [pid 3508] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3507] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3506] <... unlinkat resumed>) = 0 [pid 3503] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3508] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3507] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3506] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3508] <... futex resumed>) = 1 [pid 3507] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3506] <... futex resumed>) = 1 [pid 3504] <... futex resumed>) = 0 [pid 3502] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3508] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3507] <... futex resumed>) = 1 [pid 3506] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3504] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3503] <... futex resumed>) = 0 [pid 3502] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3508] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3507] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3506] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3504] <... futex resumed>) = 0 [pid 3503] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3502] <... futex resumed>) = 0 [pid 3508] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3507] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3506] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3504] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3503] <... futex resumed>) = 0 [pid 3502] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3508] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3507] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3503] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3510] set_robust_list(0x5555810c5760, 24 [pid 3509] rt_sigprocmask(SIG_SETMASK, [] [pid 3508] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3507] <... mkdirat resumed>) = 0 [pid 3506] <... unlinkat resumed>) = 0 [pid 3510] <... set_robust_list resumed>) = 0 [pid 3509] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3508] <... futex resumed>) = 1 [pid 3507] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3506] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3504] <... futex resumed>) = 0 [pid 3510] rt_sigprocmask(SIG_SETMASK, [] [pid 3509] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3508] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3507] <... futex resumed>) = 1 [pid 3503] <... futex resumed>) = 0 [pid 3510] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3509] <... prctl resumed>) = 0 [pid 3508] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3507] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3506] <... futex resumed>) = 1 [pid 3504] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3503] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3502] <... futex resumed>) = 0 [pid 3510] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3509] setpgid(0, 0 [pid 3508] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3507] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3506] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3504] <... futex resumed>) = 0 [pid 3503] <... futex resumed>) = 0 [pid 3502] exit_group(0 [pid 3510] <... prctl resumed>) = 0 [pid 3509] <... setpgid resumed>) = 0 [pid 3508] <... symlinkat resumed>) = 0 [pid 3507] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3504] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3503] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3506] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 3502] <... exit_group resumed>) = ? [pid 3510] setpgid(0, 0 [pid 3509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3508] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3507] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3506] +++ exited with 0 +++ [pid 3504] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3510] <... setpgid resumed>) = 0 [pid 3509] <... openat resumed>) = 3 [pid 3507] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3509] write(3, "1000", 4 [pid 3507] <... futex resumed>) = 1 [pid 3503] <... futex resumed>) = 0 [pid 3502] +++ exited with 0 +++ [pid 3510] <... openat resumed>) = 3 [pid 3509] <... write resumed>) = 4 [pid 3508] <... futex resumed>) = 0 [pid 3507] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3504] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3503] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3510] write(3, "1000", 4 [pid 3509] close(3 [pid 3508] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3507] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3504] <... futex resumed>) = 0 [pid 3503] <... futex resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3502, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3510] <... write resumed>) = 4 [pid 3509] <... close resumed>) = 0 [pid 3508] <... unlinkat resumed>) = 0 [pid 3507] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3504] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3503] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3510] close(3 [pid 3509] write(1, "executing program\n", 18 [pid 3508] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 3507] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3504] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3510] <... close resumed>) = 0 [pid 3509] <... write resumed>) = 18 [pid 3508] <... futex resumed>) = 0 [pid 3507] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3504] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 3510] write(1, "executing program\n", 18 [pid 3509] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3508] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3507] <... futex resumed>) = 1 [pid 3503] <... futex resumed>) = 0 [pid 3510] <... write resumed>) = 18 [pid 3509] <... futex resumed>) = 0 [pid 3507] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3508] <... unlinkat resumed>) = 0 [pid 3504] <... futex resumed>) = 0 [pid 3503] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3510] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3509] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3508] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3507] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3504] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3503] <... futex resumed>) = 0 [pid 3510] <... futex resumed>) = 0 [pid 3509] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3508] <... futex resumed>) = 0 [pid 3507] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3504] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3503] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3510] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3509] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3508] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3507] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3504] exit_group(0 [pid 3510] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3509] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3507] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3510] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3509] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3508] <... futex resumed>) = ? [pid 3507] <... futex resumed>) = 1 [pid 3504] <... exit_group resumed>) = ? [pid 3503] <... futex resumed>) = 0 [pid 3510] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3509] <... mmap resumed>) = 0x7f85c0c15000 [pid 3508] +++ exited with 0 +++ [pid 3507] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3503] exit_group(0 [pid 3510] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3509] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3507] <... futex resumed>) = ? [pid 3503] <... exit_group resumed>) = ? [pid 3510] <... mmap resumed>) = 0x7f85c0c15000 [pid 3509] <... mprotect resumed>) = 0 [pid 3507] +++ exited with 0 +++ [pid 3504] +++ exited with 0 +++ [pid 3503] +++ exited with 0 +++ [pid 304] <... restart_syscall resumed>) = 0 [pid 3510] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3509] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3504, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3503, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3510] <... mprotect resumed>) = 0 [pid 3509] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3510] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3509] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 312] <... restart_syscall resumed>) = 0 [pid 3510] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3510] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3509] <... clone3 resumed> => {parent_tid=[3511]}, 88) = 3511 ci2-android-5-15/strace-static-x86_64: Process 3512 attached ci2-android-5-15/strace-static-x86_64: Process 3511 attached [pid 3509] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3510] <... clone3 resumed> => {parent_tid=[3512]}, 88) = 3512 [pid 3509] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3510] rt_sigprocmask(SIG_SETMASK, [] [pid 3509] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3510] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3509] <... futex resumed>) = 0 [pid 3510] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3509] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3510] <... futex resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3510] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3513 attached [pid 3513] set_robust_list(0x5555810c5760, 24) = 0 [pid 3513] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3513] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3514 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3513 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3515 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3513] setpgid(0, 0) = 0 [pid 3513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-5-15/strace-static-x86_64: Process 3515 attached [pid 3512] set_robust_list(0x7f85c0c359a0, 24 [pid 3511] set_robust_list(0x7f85c0c359a0, 24ci2-android-5-15/strace-static-x86_64: Process 3514 attached [pid 3514] set_robust_list(0x5555810c5760, 24) = 0 [pid 3512] <... set_robust_list resumed>) = 0 [pid 3511] <... set_robust_list resumed>) = 0 [pid 3515] set_robust_list(0x5555810c5760, 24 [pid 3514] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3514] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3512] rt_sigprocmask(SIG_SETMASK, [] [pid 3511] rt_sigprocmask(SIG_SETMASK, [] [pid 3514] <... prctl resumed>) = 0 [pid 3514] setpgid(0, 0) = 0 [pid 3514] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3512] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3515] <... set_robust_list resumed>) = 0 [pid 3511] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3513] <... openat resumed>) = 3 [pid 3514] <... openat resumed>) = 3 [pid 3511] mkdirat(AT_FDCWD, "./config", 0777 [pid 3512] mkdirat(AT_FDCWD, "./config", 0777 [pid 3514] write(3, "1000", 4) = 4 [pid 3514] close(3) = 0 [pid 3514] write(1, "executing program\n", 18 [pid 3511] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3514] <... write resumed>) = 18 executing program [pid 3514] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3514] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3514] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3512] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3511] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3514] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3514] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3514] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3511] <... futex resumed>) = 1 [pid 3509] <... futex resumed>) = 0 [pid 3509] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3509] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3514] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3514] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0}ci2-android-5-15/strace-static-x86_64: Process 3516 attached [pid 3515] rt_sigprocmask(SIG_SETMASK, [] [pid 3513] write(3, "1000", 4 [pid 3512] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3511] mount(NULL, "./config", "configfs", 0, NULL [pid 3514] <... clone3 resumed> => {parent_tid=[3516]}, 88) = 3516 [pid 3514] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3511] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3512] <... futex resumed>) = 1 [pid 3510] <... futex resumed>) = 0 [pid 3510] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3510] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3514] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3516] set_robust_list(0x7f85c0c359a0, 24 [pid 3515] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3513] <... write resumed>) = 4 [pid 3512] mount(NULL, "./config", "configfs", 0, NULL [pid 3511] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3514] <... futex resumed>) = 0 [pid 3514] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3511] <... futex resumed>) = 1 [pid 3509] <... futex resumed>) = 0 [pid 3509] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3512] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3511] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3509] <... futex resumed>) = 0 [pid 3509] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3516] <... set_robust_list resumed>) = 0 [pid 3516] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3516] mkdirat(AT_FDCWD, "./config", 0777 [pid 3511] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3512] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3515] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3511] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3516] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3516] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3514] <... futex resumed>) = 0 [pid 3516] mount(NULL, "./config", "configfs", 0, NULL [pid 3514] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3516] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3515] <... prctl resumed>) = 0 [pid 3514] <... futex resumed>) = 0 [pid 3513] close(3 [pid 3512] <... futex resumed>) = 1 [pid 3511] <... futex resumed>) = 1 [pid 3510] <... futex resumed>) = 0 [pid 3509] <... futex resumed>) = 0 [pid 3516] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3515] setpgid(0, 0 [pid 3514] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3513] <... close resumed>) = 0 [pid 3512] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3511] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3510] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3509] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3516] <... futex resumed>) = 0 [pid 3515] <... setpgid resumed>) = 0 [pid 3514] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3513] write(1, "executing program\n", 18 [pid 3512] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3511] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3510] <... futex resumed>) = 0 [pid 3509] <... futex resumed>) = 0 executing program [pid 3516] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3514] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3513] <... write resumed>) = 18 [pid 3512] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3511] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3510] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3509] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3516] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3514] <... futex resumed>) = 0 [pid 3513] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3512] <... futex resumed>) = 0 [pid 3511] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3510] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3516] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3515] <... openat resumed>) = 3 [pid 3514] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3512] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3511] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3513] <... futex resumed>) = 0 [pid 3510] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3516] <... futex resumed>) = 0 [pid 3515] write(3, "1000", 4 [pid 3514] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3513] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3512] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3511] <... futex resumed>) = 1 [pid 3510] <... futex resumed>) = 0 [pid 3509] <... futex resumed>) = 0 [pid 3516] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3515] <... write resumed>) = 4 [pid 3514] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3513] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3512] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3511] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3510] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3509] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3516] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3515] close(3 [pid 3514] <... futex resumed>) = 0 [pid 3513] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3512] <... futex resumed>) = 0 [pid 3511] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3510] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3509] <... futex resumed>) = 0 [pid 3516] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3515] <... close resumed>) = 0 [pid 3514] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3513] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3512] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3511] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3510] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3509] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3516] <... futex resumed>) = 0 [pid 3515] write(1, "executing program\n", 18 [pid 3514] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 3513] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3512] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3510] <... futex resumed>) = 0 [pid 3516] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3515] <... write resumed>) = 18 [pid 3514] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3513] <... mmap resumed>) = 0x7f85c0c15000 [pid 3512] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3511] <... mkdirat resumed>) = 0 [pid 3510] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3516] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3515] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3514] <... futex resumed>) = 0 [pid 3513] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3512] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3511] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3516] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3515] <... futex resumed>) = 0 [pid 3514] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3513] <... mprotect resumed>) = 0 [pid 3512] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3511] <... futex resumed>) = 1 [pid 3509] <... futex resumed>) = 0 [pid 3516] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3515] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3513] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3512] <... futex resumed>) = 1 [pid 3511] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3510] <... futex resumed>) = 0 [pid 3509] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3516] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3515] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3513] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3512] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3510] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3509] <... futex resumed>) = 0 [pid 3516] <... futex resumed>) = 1 [pid 3515] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3514] <... futex resumed>) = 0 [pid 3513] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3512] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3511] <... symlinkat resumed>) = 0 [pid 3510] <... futex resumed>) = 0 [pid 3509] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3516] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3515] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3514] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3512] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3511] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3510] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3516] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3515] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3514] <... futex resumed>) = 0 [pid 3513] <... clone3 resumed> => {parent_tid=[3517]}, 88) = 3517 [pid 3512] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3511] <... futex resumed>) = 1 [pid 3509] <... futex resumed>) = 0 [pid 3516] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3515] <... mmap resumed>) = 0x7f85c0c15000 [pid 3514] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3513] rt_sigprocmask(SIG_SETMASK, [] [pid 3512] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3511] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3509] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3516] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3515] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3513] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3512] <... futex resumed>) = 1 [pid 3511] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3510] <... futex resumed>) = 0 [pid 3509] <... futex resumed>) = 0 [pid 3516] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3515] <... mprotect resumed>) = 0 [pid 3513] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3512] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3511] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3510] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3509] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3516] <... futex resumed>) = 1 [pid 3515] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3514] <... futex resumed>) = 0 [pid 3513] <... futex resumed>) = 0 [pid 3512] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3511] <... unlinkat resumed>) = 0 [pid 3510] <... futex resumed>) = 0 [pid 3516] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3515] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3514] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3513] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3512] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3511] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3510] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3516] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3515] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3514] <... futex resumed>) = 0 [pid 3512] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3511] <... futex resumed>) = 1 [pid 3509] <... futex resumed>) = 0 [pid 3516] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3514] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3516] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3512] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3511] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3509] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3516] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3515] <... clone3 resumed> => {parent_tid=[3518]}, 88) = 3518 [pid 3512] <... futex resumed>) = 1 [pid 3511] <... unlinkat resumed>) = 0 [pid 3510] <... futex resumed>) = 0 [pid 3509] <... futex resumed>) = 0 [pid 3516] <... futex resumed>) = 1 [pid 3515] rt_sigprocmask(SIG_SETMASK, [] [pid 3514] <... futex resumed>) = 0 [pid 3512] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3511] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3510] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3509] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3516] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3515] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3514] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3512] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3511] <... futex resumed>) = 0 [pid 3510] <... futex resumed>) = 0 [pid 3509] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ci2-android-5-15/strace-static-x86_64: Process 3517 attached [pid 3516] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3515] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3514] <... futex resumed>) = 0 [pid 3512] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3511] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3510] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3509] exit_group(0 [pid 3517] set_robust_list(0x7f85c0c359a0, 24 [pid 3516] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3515] <... futex resumed>) = 0 [pid 3514] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3512] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3517] <... set_robust_list resumed>) = 0 [pid 3516] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3515] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3512] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3511] <... futex resumed>) = ? [pid 3509] <... exit_group resumed>) = ? [pid 3517] rt_sigprocmask(SIG_SETMASK, [] [pid 3516] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3512] <... futex resumed>) = 1 [pid 3511] +++ exited with 0 +++ [pid 3510] <... futex resumed>) = 0 [pid 3517] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3516] <... futex resumed>) = 1 [pid 3514] <... futex resumed>) = 0 [pid 3510] exit_group(0 [pid 3517] mkdirat(AT_FDCWD, "./config", 0777 [pid 3516] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3514] exit_group(0 [pid 3510] <... exit_group resumed>) = ? [pid 3509] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 3518 attached [pid 3517] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3516] <... futex resumed>) = ? [pid 3514] <... exit_group resumed>) = ? [pid 3512] +++ exited with 0 +++ [pid 3510] +++ exited with 0 +++ [pid 3518] set_robust_list(0x7f85c0c359a0, 24 [pid 3517] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3516] +++ exited with 0 +++ [pid 3514] +++ exited with 0 +++ [pid 3518] <... set_robust_list resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3509, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3510, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3518] rt_sigprocmask(SIG_SETMASK, [] [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3514, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3518] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3517] <... futex resumed>) = 1 [pid 3517] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3513] <... futex resumed>) = 0 [pid 3518] mkdirat(AT_FDCWD, "./config", 0777 [pid 3513] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3513] <... futex resumed>) = 0 [pid 3518] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3513] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3518] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3517] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3517] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3517] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3518] <... futex resumed>) = 1 [pid 3517] <... futex resumed>) = 1 [pid 3515] <... futex resumed>) = 0 [pid 3513] <... futex resumed>) = 0 [pid 3517] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3515] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3513] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3518] mount(NULL, "./config", "configfs", 0, NULL [pid 3517] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3515] <... futex resumed>) = 0 [pid 3513] <... futex resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3519 [pid 3517] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3518] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3515] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3513] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3518] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3517] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 3517] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3517] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 305] <... restart_syscall resumed>) = 0 [pid 3518] <... futex resumed>) = 1 [pid 3515] <... futex resumed>) = 0 [pid 3513] <... futex resumed>) = 0 [pid 3518] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3515] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3513] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3518] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3517] <... futex resumed>) = 0 [pid 3515] <... futex resumed>) = 0 [pid 3513] <... futex resumed>) = 1 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3518] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3517] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3515] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3513] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3518] <... futex resumed>) = 0 [pid 3517] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3515] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3518] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3517] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3515] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3517] <... futex resumed>) = 1 [pid 3517] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3513] <... futex resumed>) = 0 [pid 3515] <... futex resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3520 ci2-android-5-15/strace-static-x86_64: Process 3519 attached [pid 3519] set_robust_list(0x5555810c5760, 24) = 0 [pid 3519] rt_sigprocmask(SIG_SETMASK, [] [pid 3515] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3513] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3518] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3517] <... futex resumed>) = 0 [pid 3513] <... futex resumed>) = 1 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3521 [pid 3518] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3517] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3513] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3520 attached [pid 3518] <... futex resumed>) = 1 [pid 3517] <... mkdirat resumed>) = 0 [pid 3515] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3518] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3517] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3515] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3518] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3517] <... futex resumed>) = 1 [pid 3515] <... futex resumed>) = 0 [pid 3513] <... futex resumed>) = 0 [pid 3518] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3517] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3515] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3518] <... futex resumed>) = 0 [pid 3517] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3513] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3518] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3517] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3515] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3513] <... futex resumed>) = 0 [pid 3520] set_robust_list(0x5555810c5760, 24 [pid 3519] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3517] <... symlinkat resumed>) = 0 [pid 3515] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3513] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3520] <... set_robust_list resumed>) = 0 [pid 3519] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3518] <... futex resumed>) = 0 [pid 3517] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3515] <... futex resumed>) = 1 [pid 3513] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3519] <... prctl resumed>) = 0 [pid 3518] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3517] <... futex resumed>) = 0 [pid 3515] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3519] setpgid(0, 0 [pid 3518] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3517] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3513] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3519] <... setpgid resumed>) = 0 [pid 3518] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3520] rt_sigprocmask(SIG_SETMASK, [] [pid 3517] <... unlinkat resumed>) = 0 [pid 3513] <... futex resumed>) = 0 [pid 3519] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3518] <... futex resumed>) = 1 [pid 3517] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3515] <... futex resumed>) = 0 [pid 3520] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3513] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3519] <... openat resumed>) = 3 [pid 3518] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3517] <... futex resumed>) = 0 [pid 3515] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3520] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3519] write(3, "1000", 4 [pid 3518] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3517] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3515] <... futex resumed>) = 0 [pid 3513] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3520] <... prctl resumed>) = 0 [pid 3519] <... write resumed>) = 4 [pid 3518] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3515] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3513] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3520] setpgid(0, 0 [pid 3518] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) ci2-android-5-15/strace-static-x86_64: Process 3521 attached [pid 3520] <... setpgid resumed>) = 0 [pid 3519] close(3 [pid 3518] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3517] <... futex resumed>) = 0 [pid 3513] <... futex resumed>) = 1 [pid 3521] set_robust_list(0x5555810c5760, 24 [pid 3520] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3519] <... close resumed>) = 0 [pid 3518] <... futex resumed>) = 1 [pid 3517] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3515] <... futex resumed>) = 0 [pid 3513] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3521] <... set_robust_list resumed>) = 0 [pid 3520] <... openat resumed>) = 3 [pid 3519] write(1, "executing program\n", 18 [pid 3518] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3517] <... unlinkat resumed>) = 0 executing program [pid 3515] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3521] rt_sigprocmask(SIG_SETMASK, [] [pid 3520] write(3, "1000", 4 [pid 3519] <... write resumed>) = 18 [pid 3518] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3517] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3521] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3519] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3517] <... futex resumed>) = 1 [pid 3521] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3520] <... write resumed>) = 4 [pid 3519] <... futex resumed>) = 0 [pid 3518] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3517] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3515] <... futex resumed>) = 0 [pid 3513] <... futex resumed>) = 0 [pid 3521] <... prctl resumed>) = 0 [pid 3520] close(3 [pid 3519] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3518] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3515] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3513] exit_group(0 [pid 3521] setpgid(0, 0 [pid 3520] <... close resumed>) = 0 [pid 3519] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3518] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3517] <... futex resumed>) = ? [pid 3515] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3513] <... exit_group resumed>) = ? [pid 3521] <... setpgid resumed>) = 0 [pid 3520] write(1, "executing program\n", 18 [pid 3519] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3518] <... futex resumed>) = 0 [pid 3517] +++ exited with 0 +++ [pid 3515] exit_group(0 [pid 3521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3519] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3521] <... openat resumed>) = 3 [pid 3519] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 executing program [pid 3521] write(3, "1000", 4 [pid 3519] <... mmap resumed>) = 0x7f85c0c15000 [pid 3515] <... exit_group resumed>) = ? [pid 3513] +++ exited with 0 +++ [pid 3521] <... write resumed>) = 4 [pid 3520] <... write resumed>) = 18 [pid 3519] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3521] close(3 [pid 3519] <... mprotect resumed>) = 0 [pid 3521] <... close resumed>) = 0 [pid 3519] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3521] write(1, "executing program\n", 18 [pid 3519] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3521] <... write resumed>) = 18 [pid 3519] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3521] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3518] +++ exited with 0 +++ [pid 3515] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3513, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3521] <... futex resumed>) = 0 [pid 3520] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 3519] <... clone3 resumed> => {parent_tid=[3522]}, 88) = 3522 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3521] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3520] <... futex resumed>) = 0 [pid 3519] rt_sigprocmask(SIG_SETMASK, [] [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3515, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3521] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3520] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3519] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 3522 attached [pid 3521] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3520] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3519] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3521] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3520] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3519] <... futex resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 3521] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3520] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3519] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3521] <... mmap resumed>) = 0x7f85c0c15000 [pid 3520] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3521] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3520] <... mmap resumed>) = 0x7f85c0c15000 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3522] set_robust_list(0x7f85c0c359a0, 24 [pid 3521] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3520] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3521] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3520] <... mprotect resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3521] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3520] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3521] <... clone3 resumed> => {parent_tid=[3523]}, 88) = 3523 [pid 3521] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3521] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3520] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3521] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3524 [pid 3521] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3523 attached [pid 3523] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3523] rt_sigprocmask(SIG_SETMASK, [] [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3520] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3525 [pid 3523] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3523] mkdirat(AT_FDCWD, "./config", 0777 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3520] <... clone3 resumed> => {parent_tid=[3526]}, 88) = 3526 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3520] rt_sigprocmask(SIG_SETMASK, [] [pid 3523] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3520] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3523] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3520] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3521] <... futex resumed>) = 0 [pid 3520] <... futex resumed>) = 0 [pid 3521] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3520] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3521] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3523] <... futex resumed>) = 1 [pid 3523] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3522] <... set_robust_list resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3526 attached [pid 3523] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3521] <... futex resumed>) = 0 [pid 3521] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3521] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3523] <... futex resumed>) = 1 [pid 3523] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) ci2-android-5-15/strace-static-x86_64: Process 3524 attached [pid 3523] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3526] set_robust_list(0x7f85c0c359a0, 24 [pid 3522] rt_sigprocmask(SIG_SETMASK, [] [pid 3521] <... futex resumed>) = 0 [pid 3521] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3526] <... set_robust_list resumed>) = 0 [pid 3524] set_robust_list(0x5555810c5760, 24 [pid 3522] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3521] <... futex resumed>) = 0 [pid 3521] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3523] <... futex resumed>) = 1 [pid 3523] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3522] mkdirat(AT_FDCWD, "./config", 0777 [pid 3523] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3521] <... futex resumed>) = 0 [pid 3521] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3526] rt_sigprocmask(SIG_SETMASK, [] [pid 3524] <... set_robust_list resumed>) = 0 [pid 3522] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3521] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3523] <... futex resumed>) = 1 [pid 3522] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3523] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3526] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3524] rt_sigprocmask(SIG_SETMASK, [] [pid 3522] <... futex resumed>) = 1 [pid 3519] <... futex resumed>) = 0 [pid 3519] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3519] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3526] mkdirat(AT_FDCWD, "./config", 0777 [pid 3524] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3523] <... mkdirat resumed>) = 0 [pid 3522] mount(NULL, "./config", "configfs", 0, NULL [pid 3523] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3521] <... futex resumed>) = 0 [pid 3523] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3521] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3522] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3521] <... futex resumed>) = 0 [pid 3526] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3523] <... symlinkat resumed>) = 0 [pid 3522] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3521] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3526] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3524] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3522] <... futex resumed>) = 1 [pid 3519] <... futex resumed>) = 0 [pid 3519] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3519] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3523] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3521] <... futex resumed>) = 0 [pid 3522] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3526] <... futex resumed>) = 1 [pid 3524] <... prctl resumed>) = 0 [pid 3521] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3520] <... futex resumed>) = 0 [pid 3526] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3524] setpgid(0, 0 [pid 3522] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3521] <... futex resumed>) = 0 [pid 3520] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3526] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3524] <... setpgid resumed>) = 0 [pid 3522] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3521] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3520] <... futex resumed>) = 0 [pid 3526] mount(NULL, "./config", "configfs", 0, NULL [pid 3522] <... futex resumed>) = 1 [pid 3520] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3519] <... futex resumed>) = 0 [pid 3524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3526] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3522] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3519] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3526] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3523] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3522] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3519] <... futex resumed>) = 0 [pid 3526] <... futex resumed>) = 1 [pid 3524] <... openat resumed>) = 3 [pid 3523] <... unlinkat resumed>) = 0 [pid 3522] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3520] <... futex resumed>) = 0 [pid 3519] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3526] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3524] write(3, "1000", 4 [pid 3523] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3522] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3520] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3526] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3522] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3520] <... futex resumed>) = 0 [pid 3526] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3524] <... write resumed>) = 4 [pid 3523] <... futex resumed>) = 1 [pid 3522] <... futex resumed>) = 1 [pid 3521] <... futex resumed>) = 0 [pid 3520] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3519] <... futex resumed>) = 0 [pid 3526] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3524] close(3 [pid 3523] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3522] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3521] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3519] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3525 attached [pid 3526] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3524] <... close resumed>) = 0 [pid 3523] <... unlinkat resumed>) = 0 [pid 3522] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3521] <... futex resumed>) = 0 [pid 3519] <... futex resumed>) = 0 [pid 3526] <... futex resumed>) = 1 [pid 3525] set_robust_list(0x5555810c5760, 24 [pid 3524] write(1, "executing program\n", 18 [pid 3523] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3522] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3521] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3520] <... futex resumed>) = 0 executing program [pid 3519] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3526] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3525] <... set_robust_list resumed>) = 0 [pid 3524] <... write resumed>) = 18 [pid 3523] <... futex resumed>) = 0 [pid 3522] <... mkdirat resumed>) = 0 [pid 3521] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3520] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3526] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3524] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3522] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3521] exit_group(0 [pid 3520] <... futex resumed>) = 0 [pid 3526] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3525] rt_sigprocmask(SIG_SETMASK, [] [pid 3524] <... futex resumed>) = 0 [pid 3522] <... futex resumed>) = 1 [pid 3521] <... exit_group resumed>) = ? [pid 3520] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3519] <... futex resumed>) = 0 [pid 3526] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3525] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3524] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3523] +++ exited with 0 +++ [pid 3522] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3521] +++ exited with 0 +++ [pid 3519] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3526] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3525] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3524] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3522] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3519] <... futex resumed>) = 0 [pid 3526] <... futex resumed>) = 1 [pid 3525] <... prctl resumed>) = 0 [pid 3524] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3522] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3520] <... futex resumed>) = 0 [pid 3519] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3521, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3526] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3525] setpgid(0, 0 [pid 3524] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3522] <... symlinkat resumed>) = 0 [pid 3520] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3526] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3524] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3522] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3520] <... futex resumed>) = 0 [pid 3526] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3525] <... setpgid resumed>) = 0 [pid 3524] <... mmap resumed>) = 0x7f85c0c15000 [pid 3522] <... futex resumed>) = 1 [pid 3520] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3519] <... futex resumed>) = 0 [pid 3526] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3525] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3524] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3522] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3519] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3526] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3525] <... openat resumed>) = 3 [pid 3524] <... mprotect resumed>) = 0 [pid 3522] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3519] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3526] <... futex resumed>) = 1 [pid 3525] write(3, "1000", 4 [pid 3524] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3522] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3520] <... futex resumed>) = 0 [pid 3519] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3526] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3525] <... write resumed>) = 4 [pid 3524] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3522] <... unlinkat resumed>) = 0 [pid 3520] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3525] close(3) = 0 [pid 3525] write(1, "executing program\n", 18) = 18 [pid 3526] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 3525] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3524] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3522] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3520] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3527 attached [pid 3526] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3525] <... futex resumed>) = 0 [pid 3520] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3522] <... futex resumed>) = 1 [pid 3519] <... futex resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3527 [pid 3526] <... symlinkat resumed>) = 0 [pid 3525] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3522] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3519] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3526] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3525] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3524] <... clone3 resumed> => {parent_tid=[3528]}, 88) = 3528 [pid 3522] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3519] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3526] <... futex resumed>) = 1 [pid 3525] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3524] rt_sigprocmask(SIG_SETMASK, [] [pid 3522] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3520] <... futex resumed>) = 0 [pid 3519] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3526] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3525] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3524] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3522] <... futex resumed>) = 0 [pid 3520] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3519] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3526] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3525] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3524] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3522] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3520] <... futex resumed>) = 0 [pid 3519] exit_group(0 [pid 3526] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3525] <... mmap resumed>) = 0x7f85c0c15000 [pid 3524] <... futex resumed>) = 0 [pid 3522] <... futex resumed>) = ? [pid 3520] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3519] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 3528 attached [pid 3526] <... unlinkat resumed>) = 0 [pid 3525] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3524] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3522] +++ exited with 0 +++ [pid 3519] +++ exited with 0 +++ [pid 3525] <... mprotect resumed>) = 0 [pid 3527] set_robust_list(0x5555810c5760, 24 [pid 3526] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3525] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3527] <... set_robust_list resumed>) = 0 [pid 3526] <... futex resumed>) = 1 [pid 3525] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3520] <... futex resumed>) = 0 [pid 3528] set_robust_list(0x7f85c0c359a0, 24 [pid 3527] rt_sigprocmask(SIG_SETMASK, [] [pid 3526] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3525] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3520] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3519, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3527] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3526] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3520] <... futex resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3527] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3526] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3525] <... clone3 resumed> => {parent_tid=[3529]}, 88) = 3529 [pid 3520] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3527] <... prctl resumed>) = 0 [pid 3525] rt_sigprocmask(SIG_SETMASK, [] [pid 3527] setpgid(0, 0 [pid 3526] <... unlinkat resumed>) = 0 [pid 3525] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3527] <... setpgid resumed>) = 0 [pid 3526] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3525] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3527] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3526] <... futex resumed>) = 1 [pid 3525] <... futex resumed>) = 0 [pid 3520] <... futex resumed>) = 0 [pid 3528] <... set_robust_list resumed>) = 0 [pid 3527] <... openat resumed>) = 3 [pid 3526] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3525] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3527] write(3, "1000", 4 [pid 3520] exit_group(0 [pid 3527] <... write resumed>) = 4 [pid 3520] <... exit_group resumed>) = ? [pid 3526] <... futex resumed>) = ? [pid 3527] close(3) = 0 [pid 3527] write(1, "executing program\n", 18) = 18 [pid 3527] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3527] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3527] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3526] +++ exited with 0 +++ [pid 3520] +++ exited with 0 +++ [pid 3527] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3520, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3527] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3527] <... mmap resumed>) = 0x7f85c0c15000 [pid 3527] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 3527] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3528] rt_sigprocmask(SIG_SETMASK, [] [pid 3527] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 3527] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 311] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 3529 attached , [], 8) = 0 [pid 3529] set_robust_list(0x7f85c0c359a0, 24 [pid 3528] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 3530 attached [pid 3530] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3530] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3530] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3529] <... set_robust_list resumed>) = 0 [pid 3527] <... clone3 resumed> => {parent_tid=[3530]}, 88) = 3530 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3531 [pid 3529] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3527] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3527] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3529] mkdirat(AT_FDCWD, "./config", 0777 [pid 3527] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3528] mkdirat(AT_FDCWD, "./config", 0777 [pid 3529] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... restart_syscall resumed>) = 0 [pid 3527] <... futex resumed>) = 1 [pid 3529] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3525] <... futex resumed>) = 0 [pid 3527] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3525] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3530] <... futex resumed>) = 0 [pid 3525] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3530] mkdirat(AT_FDCWD, "./config", 0777 [pid 3528] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3529] <... futex resumed>) = 1 [pid 3529] mount(NULL, "./config", "configfs", 0, NULL [pid 3530] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3528] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3532 [pid 3530] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3524] <... futex resumed>) = 0 [pid 3530] <... futex resumed>) = 1 [pid 3528] <... futex resumed>) = 1 [pid 3527] <... futex resumed>) = 0 [pid 3524] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3530] mount(NULL, "./config", "configfs", 0, NULL [pid 3528] mount(NULL, "./config", "configfs", 0, NULL [pid 3527] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3524] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3527] <... futex resumed>) = 0 [pid 3524] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3530] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3528] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3527] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3530] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3529] <... mount resumed>) = -1 EBUSY (Device or resource busy) ci2-android-5-15/strace-static-x86_64: Process 3532 attached [pid 3530] <... futex resumed>) = 0 [pid 3528] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3527] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3530] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3529] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3528] <... futex resumed>) = 1 [pid 3527] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3524] <... futex resumed>) = 0 [pid 3527] <... futex resumed>) = 0 [pid 3524] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3530] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3528] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3527] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3524] <... futex resumed>) = 0 [pid 3530] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3524] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3528] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3530] <... futex resumed>) = 1 [pid 3527] <... futex resumed>) = 0 [pid 3530] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3528] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3527] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3525] <... futex resumed>) = 0 [pid 3527] <... futex resumed>) = 0 [pid 3525] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3530] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3528] <... futex resumed>) = 1 [pid 3527] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3525] <... futex resumed>) = 0 [pid 3524] <... futex resumed>) = 0 [pid 3530] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3528] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3525] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3524] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3529] <... futex resumed>) = 1 [pid 3524] <... futex resumed>) = 0 [pid 3530] <... futex resumed>) = 1 [pid 3528] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3527] <... futex resumed>) = 0 [pid 3524] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3530] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3528] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3527] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3529] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3530] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3528] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3527] <... futex resumed>) = 0 [pid 3529] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3527] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3530] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3528] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3529] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3525] <... futex resumed>) = 0 [pid 3525] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3530] <... mkdirat resumed>) = 0 [pid 3528] <... futex resumed>) = 1 [pid 3525] <... futex resumed>) = 0 [pid 3524] <... futex resumed>) = 0 [pid 3525] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3524] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3532] set_robust_list(0x5555810c5760, 24 [pid 3530] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3528] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3524] <... futex resumed>) = 0 [pid 3529] <... futex resumed>) = 1 [pid 3524] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3532] <... set_robust_list resumed>) = 0 [pid 3530] <... futex resumed>) = 1 [pid 3528] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3527] <... futex resumed>) = 0 [pid 3530] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3528] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3527] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3532] rt_sigprocmask(SIG_SETMASK, [] [pid 3530] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3528] <... futex resumed>) = 1 [pid 3527] <... futex resumed>) = 0 [pid 3524] <... futex resumed>) = 0 [pid 3532] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3530] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3528] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3527] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3524] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3530] <... symlinkat resumed>) = 0 [pid 3529] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3528] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3524] <... futex resumed>) = 0 [pid 3532] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3530] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3528] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3532] <... prctl resumed>) = 0 [pid 3530] <... futex resumed>) = 1 [pid 3527] <... futex resumed>) = 0 [pid 3524] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3532] setpgid(0, 0 [pid 3530] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3528] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3527] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3532] <... setpgid resumed>) = 0 [pid 3530] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3528] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3527] <... futex resumed>) = 0 [pid 3530] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3524] <... futex resumed>) = 0 [pid 3532] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3530] <... unlinkat resumed>) = 0 [pid 3528] <... futex resumed>) = 1 [pid 3527] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3524] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3530] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3528] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3527] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3524] <... futex resumed>) = 0 [pid 3528] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3527] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3524] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3530] <... futex resumed>) = 0 [pid 3532] <... openat resumed>) = 3 [pid 3530] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3528] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3527] <... futex resumed>) = 0 [pid 3524] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ci2-android-5-15/strace-static-x86_64: Process 3531 attached [pid 3530] <... unlinkat resumed>) = 0 [pid 3532] write(3, "1000", 4 [pid 3529] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3528] <... futex resumed>) = 0 [pid 3527] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3524] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3532] <... write resumed>) = 4 [pid 3531] set_robust_list(0x5555810c5760, 24 [pid 3530] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3529] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3528] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3527] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3524] <... futex resumed>) = 0 [pid 3532] close(3 [pid 3531] <... set_robust_list resumed>) = 0 [pid 3530] <... futex resumed>) = 0 [pid 3529] <... futex resumed>) = 1 [pid 3528] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3525] <... futex resumed>) = 0 [pid 3524] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3532] <... close resumed>) = 0 [pid 3531] rt_sigprocmask(SIG_SETMASK, [] [pid 3530] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3529] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3528] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3527] exit_group(0 [pid 3525] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3524] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3532] write(1, "executing program\n", 18 [pid 3531] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3530] <... futex resumed>) = ? [pid 3529] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3528] <... futex resumed>) = 0 [pid 3527] <... exit_group resumed>) = ? [pid 3525] <... futex resumed>) = 0 [pid 3524] exit_group(0 [pid 3532] <... write resumed>) = 18 [pid 3531] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3530] +++ exited with 0 +++ [pid 3529] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3528] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3525] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3531] <... prctl resumed>) = 0 [pid 3529] <... mkdirat resumed>) = 0 [pid 3527] +++ exited with 0 +++ executing program [pid 3531] setpgid(0, 0 [pid 3529] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3528] <... futex resumed>) = ? [pid 3524] <... exit_group resumed>) = ? [pid 3532] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3531] <... setpgid resumed>) = 0 [pid 3529] <... futex resumed>) = 1 [pid 3525] <... futex resumed>) = 0 [pid 3531] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3529] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3525] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3527, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3531] <... openat resumed>) = 3 [pid 3529] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3525] <... futex resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3531] write(3, "1000", 4 [pid 3529] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3525] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3532] <... futex resumed>) = 0 [pid 3531] <... write resumed>) = 4 [pid 3529] <... symlinkat resumed>) = 0 [pid 3528] +++ exited with 0 +++ [pid 3524] +++ exited with 0 +++ [pid 3532] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3531] close(3 [pid 3529] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3532] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3531] <... close resumed>) = 0 [pid 3529] <... futex resumed>) = 1 [pid 3525] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3524, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3531] write(1, "executing program\n", 18 [pid 3529] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3525] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3531] <... write resumed>) = 18 executing program [pid 3529] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3525] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3532] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3531] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3529] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3525] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... restart_syscall resumed>) = 0 [pid 3532] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3531] <... futex resumed>) = 0 [pid 3529] <... unlinkat resumed>) = 0 [pid 3532] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3531] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3529] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3532] <... mmap resumed>) = 0x7f85c0c15000 [pid 3531] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3529] <... futex resumed>) = 1 [pid 3525] <... futex resumed>) = 0 [pid 3532] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3531] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3529] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3525] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3532] <... mprotect resumed>) = 0 [pid 3531] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3529] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3525] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3532] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3531] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3529] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3525] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3532] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3531] <... mmap resumed>) = 0x7f85c0c15000 [pid 3529] <... unlinkat resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3532] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3531] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3529] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3531] <... mprotect resumed>) = 0 [pid 3529] <... futex resumed>) = 1 [pid 3525] <... futex resumed>) = 0 [pid 3531] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3529] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3525] exit_group(0 [pid 3532] <... clone3 resumed> => {parent_tid=[3534]}, 88) = 3534 [pid 3531] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3529] <... futex resumed>) = ? [pid 3525] <... exit_group resumed>) = ? [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3533 ci2-android-5-15/strace-static-x86_64: Process 3534 attached [pid 3532] rt_sigprocmask(SIG_SETMASK, [] [pid 3531] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3529] +++ exited with 0 +++ [pid 3525] +++ exited with 0 +++ [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... restart_syscall resumed>) = 0 [pid 3532] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3532] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3531] <... clone3 resumed> => {parent_tid=[3535]}, 88) = 3535 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3525, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 3535 attached ci2-android-5-15/strace-static-x86_64: Process 3533 attached [pid 3532] <... futex resumed>) = 0 [pid 3531] rt_sigprocmask(SIG_SETMASK, [] [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3532] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3531] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3531] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3531] <... futex resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3531] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3536 attached [pid 3535] set_robust_list(0x7f85c0c359a0, 24 [pid 3534] set_robust_list(0x7f85c0c359a0, 24 [pid 3533] set_robust_list(0x5555810c5760, 24) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3536 [pid 3533] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3533] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3533] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3533] setpgid(0, 0) = 0 [pid 3536] set_robust_list(0x5555810c5760, 24 [pid 3533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3536] <... set_robust_list resumed>) = 0 [pid 3533] <... openat resumed>) = 3 [pid 3533] write(3, "1000", 4) = 4 [pid 3533] close(3) = 0 executing program [pid 3533] write(1, "executing program\n", 18) = 18 [pid 3533] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3534] <... set_robust_list resumed>) = 0 [pid 3535] <... set_robust_list resumed>) = 0 [pid 3534] rt_sigprocmask(SIG_SETMASK, [] [pid 3535] rt_sigprocmask(SIG_SETMASK, [] [pid 3533] <... futex resumed>) = 0 [pid 3534] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3535] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3533] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3534] mkdirat(AT_FDCWD, "./config", 0777 [pid 3535] mkdirat(AT_FDCWD, "./config", 0777 [pid 3536] rt_sigprocmask(SIG_SETMASK, [] [pid 3533] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3533] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3533] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3535] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3533] <... mmap resumed>) = 0x7f85c0c15000 [pid 3534] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3535] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3534] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3533] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3534] <... futex resumed>) = 1 [pid 3532] <... futex resumed>) = 0 [pid 3536] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3532] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3531] <... futex resumed>) = 0 [pid 3532] <... futex resumed>) = 0 [pid 3531] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3532] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3531] <... futex resumed>) = 0 [pid 3536] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3531] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3533] <... mprotect resumed>) = 0 [pid 3535] <... futex resumed>) = 1 [pid 3535] mount(NULL, "./config", "configfs", 0, NULL [pid 3536] <... prctl resumed>) = 0 [pid 3534] mount(NULL, "./config", "configfs", 0, NULL [pid 3536] setpgid(0, 0 [pid 3533] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3536] <... setpgid resumed>) = 0 [pid 3535] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3534] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3533] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3535] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3534] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3536] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3535] <... futex resumed>) = 1 [pid 3533] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3531] <... futex resumed>) = 0 [pid 3534] <... futex resumed>) = 1 [pid 3532] <... futex resumed>) = 0 [pid 3531] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3534] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3532] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3531] <... futex resumed>) = 0 [pid 3536] <... openat resumed>) = 3 [pid 3535] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3534] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3532] <... futex resumed>) = 0 [pid 3531] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3534] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3532] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3536] write(3, "1000", 4 [pid 3534] <... futex resumed>) = 0 [pid 3532] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] <... restart_syscall resumed>) = 0 [pid 3535] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3534] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3533] <... clone3 resumed> => {parent_tid=[3537]}, 88) = 3537 [pid 3532] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3536] <... write resumed>) = 4 [pid 3535] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3534] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3532] <... futex resumed>) = 0 [pid 3534] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3532] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3536] close(3 [pid 3535] <... futex resumed>) = 1 [pid 3534] <... futex resumed>) = 0 [pid 3533] rt_sigprocmask(SIG_SETMASK, [] [pid 3532] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3531] <... futex resumed>) = 0 [pid 3536] <... close resumed>) = 0 [pid 3535] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3534] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3533] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3532] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3531] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3536] write(1, "executing program\n", 18 [pid 3535] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3534] <... mkdirat resumed>) = 0 [pid 3533] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3532] <... futex resumed>) = 0 [pid 3531] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3536] <... write resumed>) = 18 [pid 3535] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3534] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3533] <... futex resumed>) = 0 [pid 3532] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3531] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3536] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3535] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3534] <... futex resumed>) = 0 [pid 3532] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3534] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3532] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3534] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3532] <... futex resumed>) = 0 [pid 3534] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3532] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3536] <... futex resumed>) = 0 [pid 3535] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3534] <... symlinkat resumed>) = 0 [pid 3533] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3536] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3535] <... futex resumed>) = 1 [pid 3534] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3531] <... futex resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3538 [pid 3536] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3535] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3534] <... futex resumed>) = 1 [pid 3532] <... futex resumed>) = 0 [pid 3531] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3536] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3535] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3534] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3532] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3531] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3536] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3535] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3534] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3532] <... futex resumed>) = 0 [pid 3531] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3536] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3535] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3534] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3532] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3536] <... mmap resumed>) = 0x7f85c0c15000 [pid 3535] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3534] <... unlinkat resumed>) = 0 [pid 3536] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3535] <... futex resumed>) = 1 [pid 3534] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3531] <... futex resumed>) = 0 [pid 3536] <... mprotect resumed>) = 0 [pid 3535] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3534] <... futex resumed>) = 1 [pid 3532] <... futex resumed>) = 0 [pid 3531] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3536] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3535] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3534] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3532] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3531] <... futex resumed>) = 0 [pid 3536] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3535] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3534] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3532] <... futex resumed>) = 0 [pid 3531] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3538 attached [pid 3536] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3535] <... symlinkat resumed>) = 0 [pid 3534] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3532] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3537 attached [pid 3538] set_robust_list(0x5555810c5760, 24 [pid 3535] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3534] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3538] <... set_robust_list resumed>) = 0 [pid 3537] set_robust_list(0x7f85c0c359a0, 24 [pid 3536] <... clone3 resumed> => {parent_tid=[3539]}, 88) = 3539 [pid 3535] <... futex resumed>) = 1 [pid 3534] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3531] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3539 attached [pid 3538] rt_sigprocmask(SIG_SETMASK, [] [pid 3537] <... set_robust_list resumed>) = 0 [pid 3536] rt_sigprocmask(SIG_SETMASK, [] [pid 3535] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3534] <... futex resumed>) = 1 [pid 3532] <... futex resumed>) = 0 [pid 3531] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3538] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3537] rt_sigprocmask(SIG_SETMASK, [] [pid 3536] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3535] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3534] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3532] exit_group(0 [pid 3531] <... futex resumed>) = 0 [pid 3539] set_robust_list(0x7f85c0c359a0, 24 [pid 3538] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3537] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3536] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3535] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3534] <... futex resumed>) = ? [pid 3532] <... exit_group resumed>) = ? [pid 3531] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3538] <... prctl resumed>) = 0 [pid 3536] <... futex resumed>) = 0 [pid 3535] <... unlinkat resumed>) = 0 [pid 3534] +++ exited with 0 +++ [pid 3532] +++ exited with 0 +++ [pid 3536] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3535] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3538] setpgid(0, 0 [pid 3535] <... futex resumed>) = 1 [pid 3531] <... futex resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3532, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3537] mkdirat(AT_FDCWD, "./config", 0777 [pid 3535] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3531] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3537] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3535] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3531] <... futex resumed>) = 0 [pid 3535] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3537] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3531] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3538] <... setpgid resumed>) = 0 [pid 3538] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3537] <... futex resumed>) = 1 [pid 3535] <... unlinkat resumed>) = 0 [pid 3533] <... futex resumed>) = 0 [pid 3537] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3535] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3533] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3537] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3535] <... futex resumed>) = 1 [pid 3531] <... futex resumed>) = 0 [pid 3533] <... futex resumed>) = 0 [pid 3535] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3531] exit_group(0 [pid 3533] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3537] mount(NULL, "./config", "configfs", 0, NULL [pid 3535] <... futex resumed>) = ? [pid 3531] <... exit_group resumed>) = ? [pid 3538] <... openat resumed>) = 3 [pid 3535] +++ exited with 0 +++ [pid 3538] write(3, "1000", 4) = 4 [pid 3538] close(3) = 0 [pid 3538] write(1, "executing program\n", 18) = 18 [pid 3538] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3531] +++ exited with 0 +++ [pid 3538] <... futex resumed>) = 0 [pid 3538] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 executing program [pid 3537] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3531, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3538] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3539] <... set_robust_list resumed>) = 0 [pid 3538] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3537] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3538] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3539] rt_sigprocmask(SIG_SETMASK, [] [pid 3538] <... mmap resumed>) = 0x7f85c0c15000 [pid 3537] <... futex resumed>) = 1 [pid 3533] <... futex resumed>) = 0 [pid 3538] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3533] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3539] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3538] <... mprotect resumed>) = 0 [pid 3537] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3538] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3538] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3539] mkdirat(AT_FDCWD, "./config", 0777 [pid 3537] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3533] <... futex resumed>) = 0 [pid 3538] <... clone3 resumed> => {parent_tid=[3540]}, 88) = 3540 [pid 3539] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3538] rt_sigprocmask(SIG_SETMASK, [] [pid 3537] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3533] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3538] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3539] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3538] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3537] <... futex resumed>) = 0 [pid 3533] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3538] <... futex resumed>) = 0 [pid 3533] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3539] <... futex resumed>) = 1 [pid 3538] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3537] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3536] <... futex resumed>) = 0 [pid 3533] <... futex resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 3536] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3533] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3539] mount(NULL, "./config", "configfs", 0, NULL [pid 3537] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3536] <... futex resumed>) = 0 [pid 3536] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3537] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3539] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3537] <... futex resumed>) = 1 [pid 3533] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3533] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3539] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3537] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3533] <... futex resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3533] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3540 attached [pid 3540] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3540] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3541 [pid 3540] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3540] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3537] <... mkdirat resumed>) = 0 [pid 3539] <... futex resumed>) = 1 [pid 3537] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3536] <... futex resumed>) = 0 [pid 3536] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3537] <... futex resumed>) = 1 [pid 3536] <... futex resumed>) = 0 [pid 3533] <... futex resumed>) = 0 [pid 3539] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3537] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3536] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3533] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3539] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3537] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3533] <... futex resumed>) = 0 [pid 3540] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3533] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3539] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3537] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3538] <... futex resumed>) = 0 [pid 3538] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3539] <... futex resumed>) = 1 [pid 3538] <... futex resumed>) = 0 [pid 3537] <... symlinkat resumed>) = 0 [pid 3536] <... futex resumed>) = 0 [pid 3539] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3538] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3537] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3536] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3537] <... futex resumed>) = 1 [pid 3536] <... futex resumed>) = 0 [pid 3533] <... futex resumed>) = 0 [pid 3539] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3537] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3536] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3533] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3539] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3537] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3533] <... futex resumed>) = 0 [pid 3539] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3537] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3533] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3539] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3540] <... futex resumed>) = 1 [pid 3539] <... futex resumed>) = 1 [pid 3537] <... unlinkat resumed>) = 0 [pid 3536] <... futex resumed>) = 0 [pid 3539] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3537] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3536] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3539] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3537] <... futex resumed>) = 1 [pid 3536] <... futex resumed>) = 0 [pid 3533] <... futex resumed>) = 0 [pid 3539] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3537] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3536] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3533] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3539] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3537] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3539] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3533] <... futex resumed>) = 0 [pid 3537] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3539] <... futex resumed>) = 1 [pid 3536] <... futex resumed>) = 0 [pid 3533] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3536] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3537] <... unlinkat resumed>) = 0 [pid 3536] <... futex resumed>) = 0 [pid 3539] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3537] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3536] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3540] mount(NULL, "./config", "configfs", 0, NULL [pid 3537] <... futex resumed>) = 1 [pid 3533] <... futex resumed>) = 0 [pid 3539] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3537] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3539] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3533] exit_group(0 [pid 3540] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3539] <... futex resumed>) = 1 [pid 3537] <... futex resumed>) = ? [pid 3536] <... futex resumed>) = 0 [pid 3533] <... exit_group resumed>) = ? [pid 3539] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3536] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3540] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3536] <... futex resumed>) = 0 [pid 3540] <... futex resumed>) = 1 [pid 3538] <... futex resumed>) = 0 [pid 3536] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3540] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3538] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3540] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3539] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3538] <... futex resumed>) = 0 [pid 3540] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3538] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3537] +++ exited with 0 +++ [pid 3533] +++ exited with 0 +++ [pid 3540] <... futex resumed>) = 0 [pid 3539] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3538] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3540] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3538] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3540] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3539] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3538] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3533, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3540] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3539] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3538] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3540] <... futex resumed>) = 0 [pid 3539] <... futex resumed>) = 1 [pid 3538] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3536] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3540] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3539] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3538] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3536] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3540] <... mkdirat resumed>) = 0 [pid 3539] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3538] <... futex resumed>) = 0 [pid 3536] <... futex resumed>) = 0 [pid 3540] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3539] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3538] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3540] <... futex resumed>) = 0 [pid 3538] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3536] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3540] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3539] <... unlinkat resumed>) = 0 [pid 3538] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3541 attached [pid 3540] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3539] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3538] <... futex resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 3541] set_robust_list(0x5555810c5760, 24 [pid 3540] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3539] <... futex resumed>) = 1 [pid 3538] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3536] <... futex resumed>) = 0 [pid 3541] <... set_robust_list resumed>) = 0 [pid 3540] <... futex resumed>) = 0 [pid 3539] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3538] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3536] exit_group(0 [pid 3541] rt_sigprocmask(SIG_SETMASK, [] [pid 3540] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3538] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3536] <... exit_group resumed>) = ? [pid 3539] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 3541] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3540] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3538] <... futex resumed>) = 0 [pid 3541] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3540] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3538] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3541] <... prctl resumed>) = 0 [pid 3540] <... futex resumed>) = 0 [pid 3538] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3541] setpgid(0, 0 [pid 3540] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3538] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3541] <... setpgid resumed>) = 0 [pid 3540] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3539] +++ exited with 0 +++ [pid 3538] <... futex resumed>) = 0 [pid 3536] +++ exited with 0 +++ [pid 3541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3540] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3538] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3541] <... openat resumed>) = 3 [pid 3540] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) ci2-android-5-15/strace-static-x86_64: Process 3542 attached [pid 3541] write(3, "1000", 4 [pid 3540] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3541] <... write resumed>) = 4 [pid 3540] <... futex resumed>) = 1 [pid 3538] <... futex resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3542 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3536, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3541] close(3 [pid 3540] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3538] exit_group(0 [pid 3541] <... close resumed>) = 0 [pid 3540] <... futex resumed>) = ? [pid 3538] <... exit_group resumed>) = ? [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3542] set_robust_list(0x5555810c5760, 24 [pid 3541] write(1, "executing program\n", 18 [pid 3540] +++ exited with 0 +++ [pid 3538] +++ exited with 0 +++ [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3541] <... write resumed>) = 18 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3538, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3541] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... restart_syscall resumed>) = 0 executing program [pid 3541] <... futex resumed>) = 0 [pid 3541] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3541] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3542] <... set_robust_list resumed>) = 0 [pid 3541] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3541] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 312] <... restart_syscall resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3541] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3541] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3541] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[3544]}, 88) = 3544 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3543 [pid 3541] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3541] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3541] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3541] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3543 attached [pid 3543] set_robust_list(0x5555810c5760, 24) = 0 [pid 3543] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... restart_syscall resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3545 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3543] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3543] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3543] <... prctl resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3543] setpgid(0, 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3543] <... setpgid resumed>) = 0 [pid 3543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3543] write(3, "1000", 4) = 4 [pid 3543] close(3 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3546 [pid 3543] <... close resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3543] write(1, "executing program\n", 18 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3543] <... write resumed>) = 18 executing program [pid 3543] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3543] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3543] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3543] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3542] rt_sigprocmask(SIG_SETMASK, [] [pid 3543] <... mmap resumed>) = 0x7f85c0c15000 [pid 3543] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 ci2-android-5-15/strace-static-x86_64: Process 3546 attached ci2-android-5-15/strace-static-x86_64: Process 3544 attached [pid 3542] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3543] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3543] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3542] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3543] <... clone3 resumed> => {parent_tid=[3547]}, 88) = 3547 [pid 3542] <... prctl resumed>) = 0 [pid 3543] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3543] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3543] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3545 attached [pid 3545] set_robust_list(0x5555810c5760, 24) = 0 [pid 3546] set_robust_list(0x5555810c5760, 24 [pid 3545] rt_sigprocmask(SIG_SETMASK, [] [pid 3544] set_robust_list(0x7f85c0c359a0, 24 [pid 3542] setpgid(0, 0 [pid 3545] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3546] <... set_robust_list resumed>) = 0 [pid 3545] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3544] <... set_robust_list resumed>) = 0 [pid 3542] <... setpgid resumed>) = 0 [pid 3545] <... prctl resumed>) = 0 [pid 3545] setpgid(0, 0) = 0 [pid 3545] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3542] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3546] rt_sigprocmask(SIG_SETMASK, [] [pid 3545] <... openat resumed>) = 3 [pid 3545] write(3, "1000", 4) = 4 [pid 3545] close(3 [pid 3542] <... openat resumed>) = 3 [pid 3545] <... close resumed>) = 0 [pid 3545] write(1, "executing program\n", 18) = 18 executing program [pid 3545] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3542] write(3, "1000", 4 [pid 3545] <... futex resumed>) = 0 [pid 3542] <... write resumed>) = 4 [pid 3545] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3545] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3545] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3545] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3546] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3542] close(3 [pid 3545] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3542] <... close resumed>) = 0 [pid 3546] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3542] write(1, "executing program\n", 18 [pid 3546] <... prctl resumed>) = 0 [pid 3545] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3542] <... write resumed>) = 18 [pid 3544] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 3542] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3546] setpgid(0, 0 [pid 3544] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3542] <... futex resumed>) = 0 [pid 3546] <... setpgid resumed>) = 0 [pid 3545] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3542] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3544] mkdirat(AT_FDCWD, "./config", 0777 [pid 3546] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3542] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3544] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3542] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3546] <... openat resumed>) = 3 [pid 3544] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3542] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3546] write(3, "1000", 4 [pid 3544] <... futex resumed>) = 1 [pid 3542] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3541] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3548 attached [pid 3546] <... write resumed>) = 4 [pid 3544] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3542] <... mmap resumed>) = 0x7f85c0c15000 [pid 3541] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3546] close(3 [pid 3544] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3542] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3541] <... futex resumed>) = 0 [pid 3545] <... clone3 resumed> => {parent_tid=[3548]}, 88) = 3548 [pid 3542] <... mprotect resumed>) = 0 [pid 3541] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3546] <... close resumed>) = 0 [pid 3545] rt_sigprocmask(SIG_SETMASK, [] [pid 3544] mount(NULL, "./config", "configfs", 0, NULL [pid 3542] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3545] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3546] write(1, "executing program\n", 18 [pid 3542] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3546] <... write resumed>) = 18 executing program [pid 3542] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3544] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3545] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3545] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3546] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3544] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3542] <... clone3 resumed> => {parent_tid=[3549]}, 88) = 3549 [pid 3542] rt_sigprocmask(SIG_SETMASK, [] [pid 3546] <... futex resumed>) = 0 [pid 3544] <... futex resumed>) = 1 [pid 3541] <... futex resumed>) = 0 [pid 3542] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3541] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3546] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3544] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3542] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3541] <... futex resumed>) = 0 [pid 3546] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3542] <... futex resumed>) = 0 [pid 3544] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3541] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3549 attached [pid 3548] set_robust_list(0x7f85c0c359a0, 24 [pid 3546] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3544] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3542] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3541] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3546] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3544] <... futex resumed>) = 0 [pid 3541] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3541] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3547 attached [pid 3547] set_robust_list(0x7f85c0c359a0, 24 [pid 3549] set_robust_list(0x7f85c0c359a0, 24 [pid 3548] <... set_robust_list resumed>) = 0 [pid 3546] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3544] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3546] <... mmap resumed>) = 0x7f85c0c15000 [pid 3547] <... set_robust_list resumed>) = 0 [pid 3546] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3544] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3547] rt_sigprocmask(SIG_SETMASK, [] [pid 3546] <... mprotect resumed>) = 0 [pid 3544] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3547] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3546] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3547] mkdirat(AT_FDCWD, "./config", 0777 [pid 3546] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3544] <... futex resumed>) = 1 [pid 3541] <... futex resumed>) = 0 [pid 3547] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3546] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3544] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3541] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3547] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3541] <... futex resumed>) = 0 [pid 3547] <... futex resumed>) = 1 [pid 3544] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3543] <... futex resumed>) = 0 [pid 3541] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3549] <... set_robust_list resumed>) = 0 [pid 3548] rt_sigprocmask(SIG_SETMASK, [] [pid 3547] mount(NULL, "./config", "configfs", 0, NULL [pid 3546] <... clone3 resumed> => {parent_tid=[3550]}, 88) = 3550 [pid 3544] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3543] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3547] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3546] rt_sigprocmask(SIG_SETMASK, [] [pid 3543] <... futex resumed>) = 0 [pid 3547] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3546] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3544] <... mkdirat resumed>) = 0 [pid 3543] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3547] <... futex resumed>) = 0 [pid 3546] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3544] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3543] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3548] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3547] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3546] <... futex resumed>) = 0 [pid 3544] <... futex resumed>) = 1 [pid 3543] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3541] <... futex resumed>) = 0 [pid 3548] mkdirat(AT_FDCWD, "./config", 0777 [pid 3547] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3546] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3544] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3543] <... futex resumed>) = 0 [pid 3541] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3548] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3547] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3544] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3543] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3541] <... futex resumed>) = 0 [pid 3548] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3547] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3544] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3541] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3550 attached [pid 3549] rt_sigprocmask(SIG_SETMASK, [] [pid 3548] <... futex resumed>) = 1 [pid 3547] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3545] <... futex resumed>) = 0 [pid 3544] <... symlinkat resumed>) = 0 [pid 3550] set_robust_list(0x7f85c0c359a0, 24 [pid 3548] mount(NULL, "./config", "configfs", 0, NULL [pid 3547] <... futex resumed>) = 1 [pid 3545] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3544] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3543] <... futex resumed>) = 0 [pid 3550] <... set_robust_list resumed>) = 0 [pid 3548] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3547] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3545] <... futex resumed>) = 0 [pid 3544] <... futex resumed>) = 1 [pid 3543] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3541] <... futex resumed>) = 0 [pid 3550] rt_sigprocmask(SIG_SETMASK, [] [pid 3549] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3548] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3547] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3545] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3544] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3543] <... futex resumed>) = 0 [pid 3541] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3550] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3549] mkdirat(AT_FDCWD, "./config", 0777 [pid 3548] <... futex resumed>) = 0 [pid 3547] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3545] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3544] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3543] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3541] <... futex resumed>) = 0 [pid 3550] mkdirat(AT_FDCWD, "./config", 0777 [pid 3549] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3548] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3547] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3545] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3544] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3541] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3550] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3549] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3548] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3547] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3545] <... futex resumed>) = 0 [pid 3544] <... unlinkat resumed>) = 0 [pid 3550] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3549] <... futex resumed>) = 1 [pid 3548] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3547] <... futex resumed>) = 1 [pid 3545] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3544] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3543] <... futex resumed>) = 0 [pid 3542] <... futex resumed>) = 0 [pid 3550] <... futex resumed>) = 1 [pid 3549] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3548] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3547] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3546] <... futex resumed>) = 0 [pid 3544] <... futex resumed>) = 1 [pid 3543] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3542] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3541] <... futex resumed>) = 0 [pid 3550] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3549] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3548] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3547] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3546] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3544] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3543] <... futex resumed>) = 0 [pid 3542] <... futex resumed>) = 0 [pid 3541] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3550] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3549] mount(NULL, "./config", "configfs", 0, NULL [pid 3548] <... futex resumed>) = 1 [pid 3547] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3546] <... futex resumed>) = 0 [pid 3545] <... futex resumed>) = 0 [pid 3544] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3543] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3542] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3541] <... futex resumed>) = 0 [pid 3550] mount(NULL, "./config", "configfs", 0, NULL [pid 3549] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3548] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3547] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3546] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3545] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3544] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3541] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3550] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3549] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3548] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3547] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3545] <... futex resumed>) = 0 [pid 3550] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3549] <... futex resumed>) = 1 [pid 3548] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3547] <... futex resumed>) = 1 [pid 3545] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3544] <... unlinkat resumed>) = 0 [pid 3543] <... futex resumed>) = 0 [pid 3542] <... futex resumed>) = 0 [pid 3550] <... futex resumed>) = 1 [pid 3549] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3548] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3547] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3546] <... futex resumed>) = 0 [pid 3544] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3543] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3542] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3550] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3549] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3548] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3547] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3546] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3544] <... futex resumed>) = 1 [pid 3543] <... futex resumed>) = 0 [pid 3542] <... futex resumed>) = 0 [pid 3541] <... futex resumed>) = 0 [pid 3550] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3549] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3548] <... futex resumed>) = 1 [pid 3547] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3546] <... futex resumed>) = 0 [pid 3545] <... futex resumed>) = 0 [pid 3544] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3543] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3542] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3541] exit_group(0 [pid 3550] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3549] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3548] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3547] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3546] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3545] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3544] <... futex resumed>) = ? [pid 3541] <... exit_group resumed>) = ? [pid 3550] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3549] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3548] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3547] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3545] <... futex resumed>) = 0 [pid 3544] +++ exited with 0 +++ [pid 3541] +++ exited with 0 +++ [pid 3550] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3549] <... futex resumed>) = 1 [pid 3548] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3547] <... futex resumed>) = 1 [pid 3545] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3543] <... futex resumed>) = 0 [pid 3542] <... futex resumed>) = 0 [pid 3550] <... futex resumed>) = 1 [pid 3549] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3547] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3546] <... futex resumed>) = 0 [pid 3543] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3541, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3548] <... mkdirat resumed>) = 0 [pid 3542] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3550] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3549] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3548] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3547] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3546] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3543] <... futex resumed>) = 0 [pid 3542] <... futex resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3550] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3549] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3548] <... futex resumed>) = 1 [pid 3547] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3546] <... futex resumed>) = 0 [pid 3545] <... futex resumed>) = 0 [pid 3543] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3542] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3550] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3549] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3548] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3547] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3546] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3545] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3550] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3549] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3548] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3547] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3545] <... futex resumed>) = 0 [pid 3550] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3549] <... futex resumed>) = 1 [pid 3548] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3547] <... futex resumed>) = 1 [pid 3545] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3543] <... futex resumed>) = 0 [pid 3542] <... futex resumed>) = 0 [pid 3550] <... futex resumed>) = 1 [pid 3549] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3548] <... symlinkat resumed>) = 0 [pid 3547] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3546] <... futex resumed>) = 0 [pid 3543] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3542] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3550] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3549] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3548] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3547] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3546] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3543] <... futex resumed>) = 0 [pid 3542] <... futex resumed>) = 0 [pid 3550] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3549] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3548] <... futex resumed>) = 1 [pid 3547] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3546] <... futex resumed>) = 0 [pid 3545] <... futex resumed>) = 0 [pid 3543] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3542] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3550] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3549] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3548] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3547] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3546] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3545] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3550] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3549] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3548] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3547] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3545] <... futex resumed>) = 0 [pid 3550] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3549] <... futex resumed>) = 1 [pid 3548] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3547] <... futex resumed>) = 1 [pid 3545] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3543] <... futex resumed>) = 0 [pid 3542] <... futex resumed>) = 0 [pid 3550] <... futex resumed>) = 1 [pid 3549] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3548] <... unlinkat resumed>) = 0 [pid 3547] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3546] <... futex resumed>) = 0 [pid 3543] exit_group(0 [pid 3542] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3550] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3549] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3548] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3547] <... futex resumed>) = ? [pid 3546] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3543] <... exit_group resumed>) = ? [pid 3542] <... futex resumed>) = 0 [pid 3550] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3549] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3548] <... futex resumed>) = 1 [pid 3547] +++ exited with 0 +++ [pid 3546] <... futex resumed>) = 0 [pid 3545] <... futex resumed>) = 0 [pid 3543] +++ exited with 0 +++ [pid 3542] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3550] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3549] <... symlinkat resumed>) = 0 [pid 3548] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3546] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3545] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3550] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3549] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3548] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3550] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3549] <... futex resumed>) = 1 [pid 3548] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3545] <... futex resumed>) = 0 [pid 3542] <... futex resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3543, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3550] <... futex resumed>) = 1 [pid 3549] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3548] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3546] <... futex resumed>) = 0 [pid 3545] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3542] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3550] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3549] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3548] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3546] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3545] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3542] <... futex resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3550] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3549] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3548] <... futex resumed>) = 0 [pid 3546] <... futex resumed>) = 0 [pid 3545] exit_group(0 [pid 3542] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3550] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3549] <... unlinkat resumed>) = 0 [pid 3546] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3545] <... exit_group resumed>) = ? [pid 3550] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3549] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3548] +++ exited with 0 +++ [pid 306] <... restart_syscall resumed>) = 0 [pid 3550] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3546] <... futex resumed>) = 0 [pid 3550] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3546] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3550] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3546] <... futex resumed>) = 0 [pid 3550] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3546] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3550] <... unlinkat resumed>) = 0 [pid 3545] +++ exited with 0 +++ [pid 3549] <... futex resumed>) = 1 [pid 3550] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3542] <... futex resumed>) = 0 [pid 3549] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3550] <... futex resumed>) = 1 [pid 3549] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3546] <... futex resumed>) = 0 [pid 3542] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3545, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3550] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3549] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3546] exit_group(0 [pid 3550] <... futex resumed>) = ? [pid 3546] <... exit_group resumed>) = ? [pid 3550] +++ exited with 0 +++ [pid 3549] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3546] +++ exited with 0 +++ [pid 3542] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3549] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3542] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3549] <... futex resumed>) = 0 [pid 3542] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3546, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3549] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3542] exit_group(0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3549] <... futex resumed>) = ? [pid 3542] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 3551 attached [pid 3549] +++ exited with 0 +++ [pid 3551] set_robust_list(0x5555810c5760, 24) = 0 [pid 3551] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3551] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3542] +++ exited with 0 +++ [pid 312] <... restart_syscall resumed>) = 0 [pid 3551] <... prctl resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3542, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3551 [pid 3551] setpgid(0, 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... restart_syscall resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3552 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3553 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3551] <... setpgid resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 3553 attached ci2-android-5-15/strace-static-x86_64: Process 3552 attached [pid 3551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3551] write(3, "1000", 4 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3554 [pid 3551] <... write resumed>) = 4 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3551] close(3) = 0 [pid 3553] set_robust_list(0x5555810c5760, 24 [pid 3552] set_robust_list(0x5555810c5760, 24ci2-android-5-15/strace-static-x86_64: Process 3554 attached [pid 3554] set_robust_list(0x5555810c5760, 24) = 0 [pid 3553] <... set_robust_list resumed>) = 0 [pid 3552] <... set_robust_list resumed>) = 0 [pid 3551] write(1, "executing program\n", 18 [pid 3554] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3553] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 3552] rt_sigprocmask(SIG_SETMASK, [] [pid 3551] <... write resumed>) = 18 [pid 3554] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3552] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3551] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3554] <... prctl resumed>) = 0 [pid 3554] setpgid(0, 0) = 0 [pid 3554] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3552] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3554] <... openat resumed>) = 3 [pid 3554] write(3, "1000", 4) = 4 [pid 3554] close(3) = 0 [pid 3552] <... prctl resumed>) = 0 [pid 3554] write(1, "executing program\n", 18) = 18 executing program [pid 3554] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3554] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3552] setpgid(0, 0 [pid 3551] <... futex resumed>) = 0 [pid 3554] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3554] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3554] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3554] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3552] <... setpgid resumed>) = 0 [pid 3553] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3551] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3554] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3553] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3552] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3551] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3554] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3554] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[3555]}, 88) = 3555 [pid 3553] <... prctl resumed>) = 0 [pid 3552] <... openat resumed>) = 3 [pid 3551] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3554] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3554] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3554] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3555 attached [pid 3555] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3555] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3555] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3552] write(3, "1000", 4 [pid 3551] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3553] setpgid(0, 0 [pid 3555] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3554] <... futex resumed>) = 0 [pid 3553] <... setpgid resumed>) = 0 [pid 3552] <... write resumed>) = 4 [pid 3551] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3554] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3554] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3555] <... futex resumed>) = 1 [pid 3555] mount(NULL, "./config", "configfs", 0, NULL [pid 3552] close(3 [pid 3551] <... mmap resumed>) = 0x7f85c0c15000 [pid 3552] <... close resumed>) = 0 [pid 3551] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 311] <... restart_syscall resumed>) = 0 [pid 3553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3552] write(1, "executing program\n", 18 [pid 3551] <... mprotect resumed>) = 0 [pid 3552] <... write resumed>) = 18 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3552] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3552] <... futex resumed>) = 0 [pid 3551] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3553] <... openat resumed>) = 3 [pid 3552] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3551] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3555] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3555] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3554] <... futex resumed>) = 0 [pid 3554] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3554] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3555] <... futex resumed>) = 1 [pid 3552] <... rt_sigaction resumed>, NULL, 8) = 0 executing program [pid 3553] write(3, "1000", 4 [pid 3552] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3551] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3556 [pid 3553] <... write resumed>) = 4 [pid 3552] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3552] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3555] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3552] <... mmap resumed>) = 0x7f85c0c15000 [pid 3552] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3555] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3552] <... mprotect resumed>) = 0 [pid 3553] close(3 [pid 3551] <... clone3 resumed> => {parent_tid=[3557]}, 88) = 3557 [pid 3552] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3553] <... close resumed>) = 0 [pid 3552] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3551] rt_sigprocmask(SIG_SETMASK, [] [pid 3553] write(1, "executing program\n", 18 [pid 3552] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3551] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3553] <... write resumed>) = 18 [pid 3555] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3554] <... futex resumed>) = 0 executing program [pid 3554] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3551] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3554] <... futex resumed>) = 0 [pid 3553] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3552] <... clone3 resumed> => {parent_tid=[3558]}, 88) = 3558 [pid 3551] <... futex resumed>) = 0 [pid 3554] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3553] <... futex resumed>) = 0 [pid 3552] rt_sigprocmask(SIG_SETMASK, [] [pid 3553] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3552] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3551] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3553] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3552] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3553] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3552] <... futex resumed>) = 0 [pid 3553] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3553] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3552] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3553] <... mmap resumed>) = 0x7f85c0c15000 [pid 3553] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3555] <... futex resumed>) = 1 [pid 3555] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3553] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3553] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3555] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3555] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3554] <... futex resumed>) = 0 [pid 3554] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3553] <... clone3 resumed> => {parent_tid=[3559]}, 88) = 3559 [pid 3554] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3553] rt_sigprocmask(SIG_SETMASK, [] [pid 3555] <... futex resumed>) = 1 [pid 3553] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3553] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3555] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3553] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3558 attached [pid 3553] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3558] set_robust_list(0x7f85c0c359a0, 24ci2-android-5-15/strace-static-x86_64: Process 3557 attached ) = 0 [pid 3558] rt_sigprocmask(SIG_SETMASK, [] [pid 3557] set_robust_list(0x7f85c0c359a0, 24 [pid 3555] <... mkdirat resumed>) = 0 [pid 3555] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3554] <... futex resumed>) = 0 [pid 3554] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3554] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3555] <... futex resumed>) = 1 [pid 3555] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3558] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3557] <... set_robust_list resumed>) = 0 [pid 3555] <... symlinkat resumed>) = 0 [pid 3555] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3554] <... futex resumed>) = 0 [pid 3554] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3554] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3555] <... futex resumed>) = 1 [pid 3555] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3555] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3554] <... futex resumed>) = 0 [pid 3554] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3554] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3555] <... futex resumed>) = 1 [pid 3555] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3558] mkdirat(AT_FDCWD, "./config", 0777 [pid 3557] rt_sigprocmask(SIG_SETMASK, [] [pid 3555] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3556 attached [pid 3556] set_robust_list(0x5555810c5760, 24) = 0 [pid 3558] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3557] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3558] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3555] <... futex resumed>) = 1 [pid 3554] <... futex resumed>) = 0 [pid 3558] <... futex resumed>) = 1 [pid 3557] mkdirat(AT_FDCWD, "./config", 0777 [pid 3554] exit_group(0 [pid 3552] <... futex resumed>) = 0 [pid 3555] ???( [pid 3558] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3554] <... exit_group resumed>) = ? [pid 3552] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3558] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3557] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3555] <... ??? resumed>) = ? [pid 3552] <... futex resumed>) = 0 [pid 3558] mount(NULL, "./config", "configfs", 0, NULL [pid 3556] rt_sigprocmask(SIG_SETMASK, [] [pid 3552] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3557] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3556] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3558] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3557] <... futex resumed>) = 1 [pid 3556] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3551] <... futex resumed>) = 0 [pid 3556] <... prctl resumed>) = 0 [pid 3558] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3551] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3557] mount(NULL, "./config", "configfs", 0, NULL [pid 3558] <... futex resumed>) = 1 [pid 3552] <... futex resumed>) = 0 [pid 3551] <... futex resumed>) = 0 [pid 3558] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3552] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3551] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3558] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3552] <... futex resumed>) = 0 [pid 3558] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3552] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3557] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3558] <... futex resumed>) = 0 [pid 3552] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3557] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3558] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3555] +++ exited with 0 +++ [pid 3554] +++ exited with 0 +++ [pid 3552] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3551] <... futex resumed>) = 0 [pid 3558] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3557] <... futex resumed>) = 1 [pid 3552] <... futex resumed>) = 0 [pid 3551] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3554, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3558] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3557] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3552] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3551] <... futex resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3558] <... futex resumed>) = 0 [pid 3557] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3552] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3551] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3558] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3557] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3552] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3551] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3558] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3557] <... futex resumed>) = 0 [pid 3552] <... futex resumed>) = 0 [pid 3551] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3558] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3557] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3552] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3551] <... futex resumed>) = 0 [pid 3556] setpgid(0, 0 [pid 3551] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3558] <... mkdirat resumed>) = 0 [pid 3556] <... setpgid resumed>) = 0 [pid 3558] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3557] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3558] <... futex resumed>) = 1 [pid 3557] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3552] <... futex resumed>) = 0 [pid 3558] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3551] <... futex resumed>) = 0 [pid 3552] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3558] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3557] <... futex resumed>) = 1 [pid 3552] <... futex resumed>) = 0 [pid 3551] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3558] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3557] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3552] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3551] <... futex resumed>) = 0 [pid 3551] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3558] <... symlinkat resumed>) = 0 [pid 3558] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3557] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3558] <... futex resumed>) = 1 [pid 3557] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3552] <... futex resumed>) = 0 [pid 3558] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3557] <... futex resumed>) = 1 [pid 3552] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3551] <... futex resumed>) = 0 [pid 3558] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3557] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3552] <... futex resumed>) = 0 [pid 3551] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3558] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3557] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3552] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3551] <... futex resumed>) = 0 [pid 3558] <... unlinkat resumed>) = 0 [pid 3557] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3551] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3558] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3559 attached ) = 1 [pid 3557] <... symlinkat resumed>) = 0 [pid 3556] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3552] <... futex resumed>) = 0 [pid 3558] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3557] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3552] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3558] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3557] <... futex resumed>) = 1 [pid 3552] <... futex resumed>) = 0 [pid 3551] <... futex resumed>) = 0 [pid 3558] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3557] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3552] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3551] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3558] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3557] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3551] <... futex resumed>) = 0 [pid 3558] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3557] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3551] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3558] <... futex resumed>) = 1 [pid 3557] <... unlinkat resumed>) = 0 [pid 3552] <... futex resumed>) = 0 [pid 3558] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3557] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3559] set_robust_list(0x7f85c0c359a0, 24 [pid 3556] <... openat resumed>) = 3 [pid 3552] exit_group(0 [pid 3551] <... futex resumed>) = 0 [pid 3557] <... futex resumed>) = 1 [pid 3559] <... set_robust_list resumed>) = 0 [pid 3558] <... futex resumed>) = ? [pid 3557] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3556] write(3, "1000", 4 [pid 3552] <... exit_group resumed>) = ? [pid 3551] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3559] rt_sigprocmask(SIG_SETMASK, [] [pid 3558] +++ exited with 0 +++ [pid 3556] <... write resumed>) = 4 [pid 305] <... restart_syscall resumed>) = 0 [pid 3559] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3556] close(3 [pid 3559] mkdirat(AT_FDCWD, "./config", 0777 [pid 3556] <... close resumed>) = 0 [pid 3559] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3556] write(1, "executing program\n", 18 [pid 3552] +++ exited with 0 +++ [pid 3559] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3556] <... write resumed>) = 18 executing program [pid 3551] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3552, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3559] <... futex resumed>) = 1 [pid 3557] <... unlinkat resumed>) = 0 [pid 3556] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3553] <... futex resumed>) = 0 [pid 3551] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3559] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3557] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3556] <... futex resumed>) = 0 [pid 3553] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3551] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3559] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3557] <... futex resumed>) = 0 [pid 3556] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3553] <... futex resumed>) = 0 [pid 3559] mount(NULL, "./config", "configfs", 0, NULL [pid 3557] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3556] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3553] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3551] exit_group(0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3559] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3557] <... futex resumed>) = ? [pid 3556] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3551] <... exit_group resumed>) = ? [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3559] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3557] +++ exited with 0 +++ [pid 3556] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3559] <... futex resumed>) = 1 [pid 3556] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3559] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3556] <... mmap resumed>) = 0x7f85c0c15000 [pid 3556] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3556] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3551] +++ exited with 0 +++ [pid 3556] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3553] <... futex resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3556] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3553] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3556] <... clone3 resumed> => {parent_tid=[3560]}, 88) = 3560 [pid 3556] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3556] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3551, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3559] <... futex resumed>) = 0 [pid 3556] <... futex resumed>) = 0 [pid 3553] <... futex resumed>) = 1 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3561 [pid 3559] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3556] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3553] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3559] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3559] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3559] <... futex resumed>) = 1 [pid 3553] <... futex resumed>) = 0 [pid 3559] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3553] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3559] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3553] <... futex resumed>) = 0 [pid 3559] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3553] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3559] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3559] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3553] <... futex resumed>) = 0 [pid 3559] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 3553] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3559] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3553] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3561 attached ci2-android-5-15/strace-static-x86_64: Process 3560 attached [pid 3559] <... mkdirat resumed>) = 0 [pid 3559] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3559] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3553] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 3553] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3559] <... futex resumed>) = 0 [pid 3553] <... futex resumed>) = 1 [pid 3559] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3553] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3561] set_robust_list(0x5555810c5760, 24 [pid 3560] set_robust_list(0x7f85c0c359a0, 24 [pid 3559] <... symlinkat resumed>) = 0 [pid 3559] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3553] <... futex resumed>) = 0 [pid 3559] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 3553] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3559] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3553] <... futex resumed>) = 0 [pid 3561] <... set_robust_list resumed>) = 0 [pid 3560] <... set_robust_list resumed>) = 0 [pid 3559] <... unlinkat resumed>) = 0 [pid 3553] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3559] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3553] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3559] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3561] rt_sigprocmask(SIG_SETMASK, [] [pid 3559] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3553] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3559] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3561] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3560] rt_sigprocmask(SIG_SETMASK, [] [pid 3559] <... unlinkat resumed>) = 0 [pid 3553] <... futex resumed>) = 0 [pid 3559] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3553] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3561] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3559] <... futex resumed>) = 0 [pid 3559] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3553] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3553] exit_group(0 [pid 3561] <... prctl resumed>) = 0 [pid 3559] <... futex resumed>) = ? [pid 3553] <... exit_group resumed>) = ? [pid 3561] setpgid(0, 0 [pid 3559] +++ exited with 0 +++ [pid 3553] +++ exited with 0 +++ [pid 3561] <... setpgid resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3553, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3561] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3560] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3561] write(3, "1000", 4 [pid 3560] mkdirat(AT_FDCWD, "./config", 0777 [pid 3561] <... write resumed>) = 4 [pid 3560] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3561] close(3) = 0 [pid 3560] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3561] write(1, "executing program\n", 18 [pid 3560] <... futex resumed>) = 1 [pid 3556] <... futex resumed>) = 0 [pid 3556] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 304] <... restart_syscall resumed>) = 0 executing program [pid 3556] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3561] <... write resumed>) = 18 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3560] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... restart_syscall resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3561] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 3562 attached [pid 3561] <... futex resumed>) = 0 [pid 3560] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3562 [pid 3561] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3560] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3562] set_robust_list(0x5555810c5760, 24 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3561] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3561] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3560] <... futex resumed>) = 1 [pid 3556] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3562] <... set_robust_list resumed>) = 0 [pid 3561] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3560] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3556] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3561] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3556] <... futex resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3560] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3556] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3563 attached [pid 3561] <... mmap resumed>) = 0x7f85c0c15000 [pid 3563] set_robust_list(0x5555810c5760, 24) = 0 [pid 3563] rt_sigprocmask(SIG_SETMASK, [] [pid 3561] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3560] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3564 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3563 [pid 3561] <... mprotect resumed>) = 0 [pid 3563] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3561] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3561] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3560] <... futex resumed>) = 1 [pid 3556] <... futex resumed>) = 0 [pid 3561] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3556] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3556] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3560] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3561] <... clone3 resumed> => {parent_tid=[3565]}, 88) = 3565 [pid 3561] rt_sigprocmask(SIG_SETMASK, [] [pid 3560] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3561] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3561] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3560] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3561] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3560] <... futex resumed>) = 1 [pid 3556] <... futex resumed>) = 0 [pid 3556] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3556] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3565 attached [pid 3562] rt_sigprocmask(SIG_SETMASK, [] [pid 3560] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3563] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3563] setpgid(0, 0) = 0 [pid 3563] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3560] <... mkdirat resumed>) = 0 [pid 3565] set_robust_list(0x7f85c0c359a0, 24 [pid 3563] <... openat resumed>) = 3 [pid 3562] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3560] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3563] write(3, "1000", 4) = 4 [pid 3565] <... set_robust_list resumed>) = 0 [pid 3563] close(3 [pid 3562] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3560] <... futex resumed>) = 1 [pid 3556] <... futex resumed>) = 0 [pid 3556] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3556] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3563] <... close resumed>) = 0 [pid 3565] rt_sigprocmask(SIG_SETMASK, [] [pid 3562] <... prctl resumed>) = 0 [pid 3560] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3563] write(1, "executing program\n", 18) = 18 executing program [pid 3563] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3565] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3562] setpgid(0, 0 [pid 3560] <... symlinkat resumed>) = 0 [pid 3563] <... futex resumed>) = 0 [pid 3560] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3563] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3560] <... futex resumed>) = 1 [pid 3556] <... futex resumed>) = 0 [pid 3563] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3560] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3556] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3563] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3560] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3556] <... futex resumed>) = 0 [pid 3563] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3560] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3556] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3563] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3560] <... unlinkat resumed>) = 0 [pid 3563] <... mmap resumed>) = 0x7f85c0c15000 [pid 3560] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3563] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3560] <... futex resumed>) = 1 [pid 3556] <... futex resumed>) = 0 [pid 3563] <... mprotect resumed>) = 0 [pid 3560] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3556] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3563] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3562] <... setpgid resumed>) = 0 [pid 3560] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3556] <... futex resumed>) = 0 [pid 3563] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3560] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3556] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3564 attached [pid 3563] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3560] <... unlinkat resumed>) = 0 [pid 3560] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3566 attached [pid 3565] mkdirat(AT_FDCWD, "./config", 0777 [pid 3564] set_robust_list(0x5555810c5760, 24 [pid 3562] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3560] <... futex resumed>) = 1 [pid 3556] <... futex resumed>) = 0 [pid 3564] <... set_robust_list resumed>) = 0 [pid 3563] <... clone3 resumed> => {parent_tid=[3566]}, 88) = 3566 [pid 3556] exit_group(0 [pid 3564] rt_sigprocmask(SIG_SETMASK, [] [pid 3563] rt_sigprocmask(SIG_SETMASK, [] [pid 3562] <... openat resumed>) = 3 [pid 3556] <... exit_group resumed>) = ? [pid 3565] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3564] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3563] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3564] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3563] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3564] <... prctl resumed>) = 0 [pid 3563] <... futex resumed>) = 0 [pid 3564] setpgid(0, 0 [pid 3563] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3560] +++ exited with 0 +++ [pid 3556] +++ exited with 0 +++ [pid 3564] <... setpgid resumed>) = 0 [pid 3564] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3566] set_robust_list(0x7f85c0c359a0, 24 [pid 3565] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3562] write(3, "1000", 4 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3556, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3565] <... futex resumed>) = 1 [pid 3566] <... set_robust_list resumed>) = 0 [pid 3564] <... openat resumed>) = 3 [pid 3562] <... write resumed>) = 4 [pid 3561] <... futex resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3564] write(3, "1000", 4) = 4 [pid 3564] close(3) = 0 [pid 3564] write(1, "executing program\n", 18) = 18 executing program [pid 3564] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3564] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3564] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3564] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3561] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3562] close(3 [pid 3561] <... futex resumed>) = 0 [pid 3564] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3561] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3566] rt_sigprocmask(SIG_SETMASK, [] [pid 3565] mount(NULL, "./config", "configfs", 0, NULL [pid 3564] <... mprotect resumed>) = 0 [pid 3562] <... close resumed>) = 0 [pid 3564] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3562] write(1, "executing program\n", 18 [pid 3565] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3564] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3564] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[3567]}, 88) = 3567 executing program [pid 3565] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3562] <... write resumed>) = 18 [pid 3564] rt_sigprocmask(SIG_SETMASK, [] [pid 3565] <... futex resumed>) = 1 [pid 3562] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3561] <... futex resumed>) = 0 [pid 3565] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3562] <... futex resumed>) = 0 [pid 3561] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3565] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3562] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3561] <... futex resumed>) = 0 [pid 3565] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3562] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3561] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3562] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3566] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3565] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3562] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3565] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3562] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3564] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3562] <... mmap resumed>) = 0x7f85c0c15000 [pid 3565] <... futex resumed>) = 1 [pid 3564] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3562] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3561] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3567 attached [pid 3565] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3564] <... futex resumed>) = 0 [pid 3562] <... mprotect resumed>) = 0 [pid 3561] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3564] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3565] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3562] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3561] <... futex resumed>) = 0 [pid 3565] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3562] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3561] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3562] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3565] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3565] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3562] <... clone3 resumed> => {parent_tid=[3568]}, 88) = 3568 [pid 3567] set_robust_list(0x7f85c0c359a0, 24 [pid 3562] rt_sigprocmask(SIG_SETMASK, [] [pid 3561] <... futex resumed>) = 0 [pid 3565] <... futex resumed>) = 1 [pid 3562] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3561] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3565] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3562] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3561] <... futex resumed>) = 0 [pid 3562] <... futex resumed>) = 0 [pid 3561] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3567] <... set_robust_list resumed>) = 0 [pid 3562] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3567] rt_sigprocmask(SIG_SETMASK, [] [pid 3565] <... mkdirat resumed>) = 0 [pid 3567] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3567] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3566] mkdirat(AT_FDCWD, "./config", 0777 [pid 3565] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3567] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3564] <... futex resumed>) = 0 [pid 3564] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3564] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3567] <... futex resumed>) = 1 [pid 3567] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3561] <... futex resumed>) = 0 [pid 3565] <... futex resumed>) = 1 [pid 3566] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3565] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3561] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3567] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3561] <... futex resumed>) = 0 [pid 3564] <... futex resumed>) = 0 [pid 3561] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3565] <... symlinkat resumed>) = 0 [pid 3564] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3566] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3565] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3564] <... futex resumed>) = 0 [pid 3566] <... futex resumed>) = 1 [pid 3565] <... futex resumed>) = 1 [pid 3564] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3563] <... futex resumed>) = 0 [pid 3561] <... futex resumed>) = 0 [pid 3566] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3565] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3563] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3561] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3566] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3565] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3563] <... futex resumed>) = 0 [pid 3561] <... futex resumed>) = 0 [pid 3566] mount(NULL, "./config", "configfs", 0, NULL [pid 3565] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3563] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3561] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3566] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3565] <... unlinkat resumed>) = 0 [pid 3567] <... futex resumed>) = 1 [pid 3566] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3565] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3567] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3565] <... futex resumed>) = 1 [pid 3561] <... futex resumed>) = 0 [pid 3566] <... futex resumed>) = 1 [pid 3563] <... futex resumed>) = 0 [pid 3565] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3563] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3561] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3563] <... futex resumed>) = 0 [pid 3561] <... futex resumed>) = 0 [pid 3563] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3561] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3566] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3565] <... unlinkat resumed>) = 0 [pid 3567] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3566] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3565] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3567] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3565] <... futex resumed>) = 1 [pid 3561] <... futex resumed>) = 0 [pid 3566] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3567] <... futex resumed>) = 1 [pid 3565] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3566] <... futex resumed>) = 1 [pid 3564] <... futex resumed>) = 0 [pid 3563] <... futex resumed>) = 0 [pid 3561] exit_group(0 [pid 3567] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3564] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3563] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3561] <... exit_group resumed>) = ? [pid 3567] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3566] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3565] <... futex resumed>) = ? [pid 3564] <... futex resumed>) = 0 [pid 3563] <... futex resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 3567] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3564] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3563] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3567] <... futex resumed>) = 0 [pid 3564] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3567] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3564] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3567] <... mkdirat resumed>) = 0 [pid 3564] <... futex resumed>) = 0 [pid 3567] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3565] +++ exited with 0 +++ [pid 3564] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3561] +++ exited with 0 +++ [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3567] <... futex resumed>) = 0 [pid 3566] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3564] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3561, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3567] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3566] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3564] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3567] <... symlinkat resumed>) = 0 [pid 3566] <... futex resumed>) = 1 [pid 3564] <... futex resumed>) = 0 [pid 3563] <... futex resumed>) = 0 [pid 3567] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3564] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3567] <... futex resumed>) = 0 [pid 3564] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3567] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3564] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3567] <... unlinkat resumed>) = 0 [pid 3566] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3564] <... futex resumed>) = 0 [pid 3563] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3569 [pid 3567] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3566] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3564] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3563] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3568 attached [pid 3567] <... futex resumed>) = 0 [pid 3566] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3564] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3563] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3568] set_robust_list(0x7f85c0c359a0, 24 [pid 3567] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3566] <... futex resumed>) = 0 [pid 3564] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3563] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3569 attached [pid 3568] <... set_robust_list resumed>) = 0 [pid 3567] <... unlinkat resumed>) = 0 [pid 3566] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3564] <... futex resumed>) = 0 [pid 3563] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3568] rt_sigprocmask(SIG_SETMASK, [] [pid 3567] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3566] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3564] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3563] <... futex resumed>) = 0 [pid 3568] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3567] <... futex resumed>) = 0 [pid 3566] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3564] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3563] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3569] set_robust_list(0x5555810c5760, 24 [pid 3568] mkdirat(AT_FDCWD, "./config", 0777 [pid 3567] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3564] exit_group(0 [pid 3568] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3567] <... futex resumed>) = ? [pid 3564] <... exit_group resumed>) = ? [pid 3569] <... set_robust_list resumed>) = 0 [pid 3568] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3567] +++ exited with 0 +++ [pid 3566] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3564] +++ exited with 0 +++ [pid 305] <... restart_syscall resumed>) = 0 [pid 3566] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3564, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3563] <... futex resumed>) = 0 [pid 3568] <... futex resumed>) = 1 [pid 3562] <... futex resumed>) = 0 [pid 3563] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3568] mount(NULL, "./config", "configfs", 0, NULL [pid 3566] <... futex resumed>) = 1 [pid 3563] <... futex resumed>) = 0 [pid 3562] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3569] rt_sigprocmask(SIG_SETMASK, [] [pid 3568] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3566] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3563] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3562] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3569] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3568] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3566] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3562] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3569] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3568] <... futex resumed>) = 0 [pid 3566] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3562] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3569] <... prctl resumed>) = 0 [pid 3568] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3566] <... futex resumed>) = 1 [pid 3563] <... futex resumed>) = 0 [pid 3562] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3568] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3562] <... futex resumed>) = 0 [pid 3568] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3562] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3568] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3568] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3562] <... futex resumed>) = 0 [pid 3568] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3562] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3568] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3562] <... futex resumed>) = 0 [pid 3568] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3562] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3569] setpgid(0, 0 [pid 3568] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3566] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3563] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3570 [pid 3569] <... setpgid resumed>) = 0 [pid 3568] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3566] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3563] <... futex resumed>) = 0 [pid 3569] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3568] <... futex resumed>) = 1 [pid 3566] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3563] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3562] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3571 [pid 3568] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3566] <... futex resumed>) = 0 [pid 3563] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3562] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3569] <... openat resumed>) = 3 [pid 3568] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3566] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3563] exit_group(0 [pid 3562] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3569] write(3, "1000", 4 [pid 3568] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3566] <... futex resumed>) = ? [pid 3563] <... exit_group resumed>) = ? [pid 3562] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3571 attached [pid 3569] <... write resumed>) = 4 [pid 3568] <... mkdirat resumed>) = 0 [pid 3566] +++ exited with 0 +++ [pid 3568] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3562] <... futex resumed>) = 0 [pid 3568] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3562] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3568] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3562] <... futex resumed>) = 0 [pid 3568] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3562] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3570 attached [pid 3569] close(3 [pid 3568] <... symlinkat resumed>) = 0 [pid 3563] +++ exited with 0 +++ [pid 3570] set_robust_list(0x5555810c5760, 24 [pid 3569] <... close resumed>) = 0 [pid 3568] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3570] <... set_robust_list resumed>) = 0 [pid 3568] <... futex resumed>) = 1 executing program [pid 3562] <... futex resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3563, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3569] write(1, "executing program\n", 18 [pid 3571] set_robust_list(0x5555810c5760, 24 [pid 3570] rt_sigprocmask(SIG_SETMASK, [] [pid 3568] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3562] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3570] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3569] <... write resumed>) = 18 [pid 3568] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3562] <... futex resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3570] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3568] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3562] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3570] <... prctl resumed>) = 0 [pid 3569] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3568] <... unlinkat resumed>) = 0 [pid 3571] <... set_robust_list resumed>) = 0 [pid 3570] setpgid(0, 0 [pid 3569] <... futex resumed>) = 0 [pid 3568] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3570] <... setpgid resumed>) = 0 [pid 3569] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3568] <... futex resumed>) = 1 [pid 3562] <... futex resumed>) = 0 [pid 3571] rt_sigprocmask(SIG_SETMASK, [] [pid 3570] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3569] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3568] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3562] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3571] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3570] <... openat resumed>) = 3 [pid 3569] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3568] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3562] <... futex resumed>) = 0 [pid 3570] write(3, "1000", 4 [pid 3571] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3569] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3568] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3562] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3571] <... prctl resumed>) = 0 [pid 3570] <... write resumed>) = 4 [pid 3569] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3568] <... unlinkat resumed>) = 0 [pid 3571] setpgid(0, 0 [pid 3570] close(3 [pid 3569] <... mmap resumed>) = 0x7f85c0c15000 [pid 3568] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3571] <... setpgid resumed>) = 0 [pid 3570] <... close resumed>) = 0 [pid 3569] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3568] <... futex resumed>) = 1 [pid 3562] <... futex resumed>) = 0 [pid 3570] write(1, "executing program\n", 18 [pid 3569] <... mprotect resumed>) = 0 [pid 3568] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3562] exit_group(0 executing program [pid 3571] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3570] <... write resumed>) = 18 [pid 3569] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3568] <... futex resumed>) = ? [pid 3562] <... exit_group resumed>) = ? [pid 3571] <... openat resumed>) = 3 [pid 3570] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3569] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3568] +++ exited with 0 +++ [pid 3562] +++ exited with 0 +++ [pid 3571] write(3, "1000", 4 [pid 3569] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3562, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3570] <... futex resumed>) = 0 [pid 3571] <... write resumed>) = 4 [pid 3570] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}ci2-android-5-15/strace-static-x86_64: Process 3572 attached [pid 3571] close(3 [pid 3570] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3569] <... clone3 resumed> => {parent_tid=[3572]}, 88) = 3572 [pid 306] <... restart_syscall resumed>) = 0 [pid 3570] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3569] rt_sigprocmask(SIG_SETMASK, [] [pid 3571] <... close resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3571] write(1, "executing program\n", 18 [pid 3570] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3569] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3571] <... write resumed>) = 18 executing program [pid 3570] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3569] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3570] <... mmap resumed>) = 0x7f85c0c15000 [pid 3569] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3571] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3570] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3569] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3570] <... mprotect resumed>) = 0 [pid 3570] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3571] <... futex resumed>) = 0 [pid 3570] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[3574]}, 88) = 3574 [pid 3570] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3570] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3570] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3573 [pid 3571] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3575 [pid 3571] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3571] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3571] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3571] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3572] set_robust_list(0x7f85c0c359a0, 24 [pid 3571] <... mmap resumed>) = 0x7f85c0c15000 [pid 3571] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3572] <... set_robust_list resumed>) = 0 [pid 3571] <... mprotect resumed>) = 0 [pid 3571] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3572] rt_sigprocmask(SIG_SETMASK, [] [pid 3571] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3572] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3571] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3572] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3571] <... clone3 resumed> => {parent_tid=[3576]}, 88) = 3576 [pid 3572] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3571] rt_sigprocmask(SIG_SETMASK, [] [pid 3572] <... futex resumed>) = 1 [pid 3571] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3569] <... futex resumed>) = 0 [pid 3571] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3572] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3571] <... futex resumed>) = 0 [pid 3569] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3571] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3569] <... futex resumed>) = 0 [pid 3572] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3569] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3572] mount(NULL, "./config", "configfs", 0, NULLci2-android-5-15/strace-static-x86_64: Process 3576 attached ci2-android-5-15/strace-static-x86_64: Process 3575 attached ci2-android-5-15/strace-static-x86_64: Process 3574 attached ci2-android-5-15/strace-static-x86_64: Process 3573 attached ) = -1 EBUSY (Device or resource busy) [pid 3576] set_robust_list(0x7f85c0c359a0, 24 [pid 3575] set_robust_list(0x5555810c5760, 24 [pid 3574] set_robust_list(0x7f85c0c359a0, 24 [pid 3573] set_robust_list(0x5555810c5760, 24 [pid 3576] <... set_robust_list resumed>) = 0 [pid 3576] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3575] <... set_robust_list resumed>) = 0 [pid 3574] <... set_robust_list resumed>) = 0 [pid 3573] <... set_robust_list resumed>) = 0 [pid 3572] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3576] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3576] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3575] rt_sigprocmask(SIG_SETMASK, [] [pid 3574] rt_sigprocmask(SIG_SETMASK, [] [pid 3573] rt_sigprocmask(SIG_SETMASK, [] [pid 3576] <... futex resumed>) = 1 [pid 3571] <... futex resumed>) = 0 [pid 3576] mount(NULL, "./config", "configfs", 0, NULL [pid 3571] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3575] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3574] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3573] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3572] <... futex resumed>) = 1 [pid 3571] <... futex resumed>) = 0 [pid 3569] <... futex resumed>) = 0 [pid 3576] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3575] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3574] mkdirat(AT_FDCWD, "./config", 0777 [pid 3573] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3572] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3569] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3575] <... prctl resumed>) = 0 [pid 3574] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3573] <... prctl resumed>) = 0 [pid 3572] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3569] <... futex resumed>) = 0 [pid 3575] setpgid(0, 0 [pid 3574] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3573] setpgid(0, 0 [pid 3572] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3569] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3575] <... setpgid resumed>) = 0 [pid 3574] <... futex resumed>) = 1 [pid 3573] <... setpgid resumed>) = 0 [pid 3572] <... futex resumed>) = 0 [pid 3571] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3570] <... futex resumed>) = 0 [pid 3569] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3575] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3574] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3573] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3572] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3570] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3569] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3576] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3575] <... openat resumed>) = 3 [pid 3570] <... futex resumed>) = 0 [pid 3576] <... futex resumed>) = 1 [pid 3571] <... futex resumed>) = 0 [pid 3570] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3576] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3571] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3576] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3575] write(3, "1000", 4 [pid 3573] <... openat resumed>) = 3 [pid 3571] <... futex resumed>) = 0 [pid 3569] <... futex resumed>) = 0 [pid 3576] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3571] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3576] <... futex resumed>) = 0 [pid 3575] <... write resumed>) = 4 [pid 3573] write(3, "1000", 4 [pid 3571] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3569] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3576] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3575] close(3 [pid 3573] <... write resumed>) = 4 [pid 3571] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3576] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3575] <... close resumed>) = 0 [pid 3574] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3573] close(3 [pid 3571] <... futex resumed>) = 0 [pid 3576] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3575] write(1, "executing program\n", 18 executing program [pid 3574] mount(NULL, "./config", "configfs", 0, NULL [pid 3573] <... close resumed>) = 0 [pid 3571] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3576] <... futex resumed>) = 0 [pid 3575] <... write resumed>) = 18 [pid 3573] write(1, "executing program\n", 18 [pid 3571] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3576] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 executing program [pid 3575] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3574] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3573] <... write resumed>) = 18 [pid 3571] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3576] <... mkdirat resumed>) = 0 [pid 3575] <... futex resumed>) = 0 [pid 3574] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3573] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3572] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3571] <... futex resumed>) = 0 [pid 3575] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3574] <... futex resumed>) = 1 [pid 3573] <... futex resumed>) = 0 [pid 3571] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3570] <... futex resumed>) = 0 [pid 3575] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3574] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3573] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3572] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3575] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3573] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3570] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3575] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3573] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3572] <... futex resumed>) = 1 [pid 3569] <... futex resumed>) = 0 [pid 3574] <... futex resumed>) = 0 [pid 3570] <... futex resumed>) = 1 [pid 3575] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3574] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3573] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3572] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3570] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3569] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3575] <... mmap resumed>) = 0x7f85c0c15000 [pid 3574] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3573] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3572] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3569] <... futex resumed>) = 0 [pid 3575] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3574] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3573] <... mmap resumed>) = 0x7f85c0c15000 [pid 3572] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3569] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3576] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3575] <... mprotect resumed>) = 0 [pid 3574] <... futex resumed>) = 1 [pid 3573] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3572] <... futex resumed>) = 0 [pid 3570] <... futex resumed>) = 0 [pid 3569] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3576] <... futex resumed>) = 1 [pid 3575] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3574] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3573] <... mprotect resumed>) = 0 [pid 3572] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3571] <... futex resumed>) = 0 [pid 3570] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3569] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3576] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3575] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3574] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3573] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3572] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3571] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3570] <... futex resumed>) = 0 [pid 3569] <... futex resumed>) = 0 [pid 3576] <... symlinkat resumed>) = 0 [pid 3575] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3574] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3573] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3572] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3571] <... futex resumed>) = 0 [pid 3570] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3569] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3576] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3574] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3573] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3572] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3571] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3576] <... futex resumed>) = 0 [pid 3575] <... clone3 resumed> => {parent_tid=[3577]}, 88) = 3577 [pid 3574] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3572] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3571] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3576] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3575] rt_sigprocmask(SIG_SETMASK, [] [pid 3574] <... futex resumed>) = 1 [pid 3573] <... clone3 resumed> => {parent_tid=[3578]}, 88) = 3578 [pid 3572] <... futex resumed>) = 1 [pid 3571] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3570] <... futex resumed>) = 0 [pid 3569] <... futex resumed>) = 0 [pid 3576] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3575] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3574] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3573] rt_sigprocmask(SIG_SETMASK, [] [pid 3572] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3571] <... futex resumed>) = 0 [pid 3570] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3569] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3576] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3575] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3574] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3573] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3572] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3571] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3570] <... futex resumed>) = 0 [pid 3569] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3578 attached [pid 3576] <... unlinkat resumed>) = 0 [pid 3575] <... futex resumed>) = 0 [pid 3574] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3573] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3572] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3570] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3569] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3578] set_robust_list(0x7f85c0c359a0, 24 [pid 3576] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3575] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3574] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3573] <... futex resumed>) = 0 [pid 3572] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3576] <... futex resumed>) = 1 [pid 3574] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3573] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3572] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3571] <... futex resumed>) = 0 [pid 3576] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3574] <... futex resumed>) = 1 [pid 3572] <... futex resumed>) = 1 [pid 3571] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3570] <... futex resumed>) = 0 [pid 3569] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3577 attached [pid 3576] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3574] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3572] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3571] <... futex resumed>) = 0 [pid 3570] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3569] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3578] <... set_robust_list resumed>) = 0 [pid 3577] set_robust_list(0x7f85c0c359a0, 24 [pid 3576] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3574] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3572] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3571] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3570] <... futex resumed>) = 0 [pid 3569] <... futex resumed>) = 0 [pid 3578] rt_sigprocmask(SIG_SETMASK, [] [pid 3577] <... set_robust_list resumed>) = 0 [pid 3576] <... unlinkat resumed>) = 0 [pid 3574] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3572] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3570] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3569] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3577] rt_sigprocmask(SIG_SETMASK, [] [pid 3576] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3574] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3572] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3577] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3576] <... futex resumed>) = 1 [pid 3574] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3571] <... futex resumed>) = 0 [pid 3578] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3577] mkdirat(AT_FDCWD, "./config", 0777 [pid 3576] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3572] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3571] exit_group(0 [pid 3577] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3576] <... futex resumed>) = ? [pid 3574] <... futex resumed>) = 1 [pid 3572] <... futex resumed>) = 1 [pid 3571] <... exit_group resumed>) = ? [pid 3570] <... futex resumed>) = 0 [pid 3569] <... futex resumed>) = 0 [pid 3578] mkdirat(AT_FDCWD, "./config", 0777 [pid 3577] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3576] +++ exited with 0 +++ [pid 3574] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3572] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3571] +++ exited with 0 +++ [pid 3570] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3569] exit_group(0 [pid 3578] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3577] <... futex resumed>) = 1 [pid 3575] <... futex resumed>) = 0 [pid 3574] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3572] <... futex resumed>) = ? [pid 3570] <... futex resumed>) = 0 [pid 3569] <... exit_group resumed>) = ? [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3571, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3578] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3577] mount(NULL, "./config", "configfs", 0, NULL [pid 3575] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3574] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3572] +++ exited with 0 +++ [pid 3570] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3577] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3575] <... futex resumed>) = 0 [pid 3577] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3575] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3577] <... futex resumed>) = 0 [pid 3575] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3569] +++ exited with 0 +++ [pid 3577] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3575] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3574] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3578] <... futex resumed>) = 1 [pid 3577] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3575] <... futex resumed>) = 0 [pid 3574] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3573] <... futex resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3569, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3578] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3577] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3575] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3574] <... futex resumed>) = 1 [pid 3573] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3570] <... futex resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3578] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3577] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3574] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3573] <... futex resumed>) = 0 [pid 3570] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3578] mount(NULL, "./config", "configfs", 0, NULL [pid 3577] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3574] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3573] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3570] <... futex resumed>) = 0 [pid 3577] <... futex resumed>) = 1 [pid 3575] <... futex resumed>) = 0 [pid 3574] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3570] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3578] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3577] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3575] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3574] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3577] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3575] <... futex resumed>) = 0 [pid 3578] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3577] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3575] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3574] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... restart_syscall resumed>) = 0 [pid 3578] <... futex resumed>) = 1 [pid 3577] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3574] <... futex resumed>) = 1 [pid 3573] <... futex resumed>) = 0 [pid 3570] <... futex resumed>) = 0 [pid 3578] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3577] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3574] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3573] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3570] exit_group(0 [pid 305] <... restart_syscall resumed>) = 0 [pid 3578] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3577] <... futex resumed>) = 1 [pid 3575] <... futex resumed>) = 0 [pid 3574] <... futex resumed>) = ? [pid 3573] <... futex resumed>) = 0 [pid 3570] <... exit_group resumed>) = ? [pid 3578] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3577] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3575] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3574] +++ exited with 0 +++ [pid 3573] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3570] +++ exited with 0 +++ [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3578] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3577] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3575] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3578] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3577] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3575] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3570, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3578] <... futex resumed>) = 1 [pid 3577] <... mkdirat resumed>) = 0 [pid 3573] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3577] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3575] <... futex resumed>) = 0 [pid 3577] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3575] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3578] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3577] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3575] <... futex resumed>) = 0 [pid 3573] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3577] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3575] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3573] <... futex resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3579 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3577] <... symlinkat resumed>) = 0 [pid 3573] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3577] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3577] <... futex resumed>) = 1 [pid 3575] <... futex resumed>) = 0 [pid 3577] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3575] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3577] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3575] <... futex resumed>) = 0 [pid 3577] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3575] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3578] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3577] <... unlinkat resumed>) = 0 [pid 3578] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3577] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3580 [pid 3578] <... futex resumed>) = 1 [pid 3577] <... futex resumed>) = 1 [pid 3575] <... futex resumed>) = 0 [pid 3573] <... futex resumed>) = 0 [pid 3578] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3577] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3575] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3573] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3578] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3577] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3575] <... futex resumed>) = 0 [pid 3573] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3578] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3577] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3575] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3573] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3580 attached ci2-android-5-15/strace-static-x86_64: Process 3579 attached [pid 3578] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3577] <... unlinkat resumed>) = 0 [pid 3579] set_robust_list(0x5555810c5760, 24 [pid 3578] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3577] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3579] <... set_robust_list resumed>) = 0 [pid 3578] <... futex resumed>) = 1 [pid 3577] <... futex resumed>) = 1 [pid 3575] <... futex resumed>) = 0 [pid 3573] <... futex resumed>) = 0 [pid 3579] rt_sigprocmask(SIG_SETMASK, [] [pid 3578] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3577] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3575] exit_group(0 [pid 3573] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3579] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3578] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3577] <... futex resumed>) = ? [pid 3575] <... exit_group resumed>) = ? [pid 3573] <... futex resumed>) = 0 [pid 3580] set_robust_list(0x5555810c5760, 24 [pid 3579] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3578] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3577] +++ exited with 0 +++ [pid 3579] <... prctl resumed>) = 0 [pid 3579] setpgid(0, 0) = 0 [pid 3579] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3575] +++ exited with 0 +++ [pid 3573] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3580] <... set_robust_list resumed>) = 0 [pid 3579] <... openat resumed>) = 3 [pid 3578] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3575, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3578] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3578] <... futex resumed>) = 1 [pid 3573] <... futex resumed>) = 0 [pid 3578] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3573] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3580] rt_sigprocmask(SIG_SETMASK, [] [pid 3578] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3573] <... futex resumed>) = 0 [pid 3580] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3578] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3573] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3579] write(3, "1000", 4 [pid 3578] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3580] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3578] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3579] <... write resumed>) = 4 [pid 3578] <... futex resumed>) = 1 [pid 3573] <... futex resumed>) = 0 [pid 3580] <... prctl resumed>) = 0 [pid 3578] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3573] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3580] setpgid(0, 0 [pid 3578] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3580] <... setpgid resumed>) = 0 [pid 3578] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3573] <... futex resumed>) = 0 [pid 3579] close(3 [pid 3578] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3573] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3580] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3578] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3573] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3579] <... close resumed>) = 0 [pid 3578] <... futex resumed>) = 0 [pid 3573] exit_group(0 [pid 3578] ???() = -1 ENOSYS (Function not implemented) [pid 3573] <... exit_group resumed>) = ? [pid 3579] write(1, "executing program\n", 18 [pid 3578] +++ exited with 0 +++ [pid 3579] <... write resumed>) = 18 [pid 3579] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3579] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3579] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3579] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3579] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3573] +++ exited with 0 +++ [pid 3579] <... mprotect resumed>) = 0 [pid 3580] <... openat resumed>) = 3 executing program [pid 3579] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3573, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3579] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3580] write(3, "1000", 4 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3579] <... clone3 resumed> => {parent_tid=[3581]}, 88) = 3581 [pid 3580] <... write resumed>) = 4 [pid 3579] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3579] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3579] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3580] close(3ci2-android-5-15/strace-static-x86_64: Process 3581 attached ) = 0 [pid 3580] write(1, "executing program\n", 18 [pid 3581] set_robust_list(0x7f85c0c359a0, 24 [pid 312] <... restart_syscall resumed>) = 0 executing program [pid 3580] <... write resumed>) = 18 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3581] <... set_robust_list resumed>) = 0 [pid 3580] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3582 attached [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3582 [pid 312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3580] <... futex resumed>) = 0 [pid 3581] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3582] set_robust_list(0x5555810c5760, 24 [pid 3580] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3582] <... set_robust_list resumed>) = 0 [pid 3581] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... restart_syscall resumed>) = 0 [pid 3582] rt_sigprocmask(SIG_SETMASK, [] [pid 3581] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3580] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 3581] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3582] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3580] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3581] <... futex resumed>) = 1 [pid 3579] <... futex resumed>) = 0 [pid 3579] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3579] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3580] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3581] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3582] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3580] <... mmap resumed>) = 0x7f85c0c15000 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3581] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3582] <... prctl resumed>) = 0 [pid 3580] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 3583 attached [pid 3583] set_robust_list(0x5555810c5760, 24) = 0 [pid 3583] rt_sigprocmask(SIG_SETMASK, [] [pid 3580] <... mprotect resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3583 [pid 3582] setpgid(0, 0 [pid 3581] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3584 attached [pid 3584] set_robust_list(0x5555810c5760, 24) = 0 [pid 3583] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3582] <... setpgid resumed>) = 0 [pid 3581] <... futex resumed>) = 1 [pid 3580] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3579] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3584 [pid 3581] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3580] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3579] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3581] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3580] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3579] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3579] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3581] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3580] <... clone3 resumed> => {parent_tid=[3585]}, 88) = 3585 [pid 3581] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3580] rt_sigprocmask(SIG_SETMASK, [] [pid 3581] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3580] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3581] <... futex resumed>) = 1 [pid 3579] <... futex resumed>) = 0 [pid 3580] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3579] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3581] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3580] <... futex resumed>) = 0 [pid 3579] <... futex resumed>) = 0 [pid 3582] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3581] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3580] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3579] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3581] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3579] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3579] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3579] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3581] <... futex resumed>) = 1 [pid 3579] <... futex resumed>) = 0 [pid 3582] <... openat resumed>) = 3 [pid 3579] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3584] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3583] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3582] write(3, "1000", 4 [pid 3581] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3584] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3584] setpgid(0, 0 [pid 3581] <... mkdirat resumed>) = 0 [pid 3584] <... setpgid resumed>) = 0 [pid 3584] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3583] <... prctl resumed>) = 0 [pid 3582] <... write resumed>) = 4 [pid 3581] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3585 attached [pid 3585] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3585] rt_sigprocmask(SIG_SETMASK, [] [pid 3584] write(3, "1000", 4 [pid 3583] setpgid(0, 0 [pid 3582] close(3 [pid 3581] <... futex resumed>) = 1 [pid 3579] <... futex resumed>) = 0 [pid 3581] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3579] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3581] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3579] <... futex resumed>) = 0 [pid 3581] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3579] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3585] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3581] <... symlinkat resumed>) = 0 [pid 3581] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3579] <... futex resumed>) = 0 [pid 3581] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3579] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3581] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3579] <... futex resumed>) = 0 [pid 3581] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3579] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3585] mkdirat(AT_FDCWD, "./config", 0777 [pid 3581] <... unlinkat resumed>) = 0 [pid 3585] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3581] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3585] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3581] <... futex resumed>) = 1 [pid 3579] <... futex resumed>) = 0 [pid 3581] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3579] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3581] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3579] <... futex resumed>) = 0 [pid 3581] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3579] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3580] <... futex resumed>) = 0 [pid 3581] <... unlinkat resumed>) = 0 [pid 3580] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3581] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3580] <... futex resumed>) = 0 [pid 3585] <... futex resumed>) = 1 [pid 3581] <... futex resumed>) = 1 [pid 3580] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3579] <... futex resumed>) = 0 [pid 3584] <... write resumed>) = 4 [pid 3583] <... setpgid resumed>) = 0 [pid 3582] <... close resumed>) = 0 [pid 3581] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3579] exit_group(0 [pid 3585] mount(NULL, "./config", "configfs", 0, NULL [pid 3584] close(3 [pid 3583] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3582] write(1, "executing program\n", 18 [pid 3581] <... futex resumed>) = ? [pid 3579] <... exit_group resumed>) = ? [pid 3585] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3584] <... close resumed>) = 0 [pid 3583] <... openat resumed>) = 3 [pid 3582] <... write resumed>) = 18 executing program [pid 3581] +++ exited with 0 +++ [pid 3579] +++ exited with 0 +++ [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3579, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3585] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3584] write(1, "executing program\n", 18 [pid 3582] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3583] write(3, "1000", 4 [pid 3585] <... futex resumed>) = 1 [pid 3584] <... write resumed>) = 18 [pid 3582] <... futex resumed>) = 0 [pid 3580] <... futex resumed>) = 0 executing program [pid 3580] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3580] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3584] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3582] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3585] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3583] <... write resumed>) = 4 [pid 3585] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3584] <... futex resumed>) = 0 [pid 3583] close(3 [pid 3582] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3585] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3584] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 311] <... restart_syscall resumed>) = 0 [pid 3582] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3585] <... futex resumed>) = 1 [pid 3584] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3583] <... close resumed>) = 0 [pid 3582] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3580] <... futex resumed>) = 0 [pid 3580] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3585] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3584] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3583] write(1, "executing program\n", 18 [pid 3582] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3580] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3584] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3585] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 3583] <... write resumed>) = 18 [pid 3582] <... mmap resumed>) = 0x7f85c0c15000 [pid 3580] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3584] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3582] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3585] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3584] <... mmap resumed>) = 0x7f85c0c15000 [pid 3583] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3586 attached [pid 3584] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3583] <... futex resumed>) = 0 [pid 3582] <... mprotect resumed>) = 0 [pid 3585] <... futex resumed>) = 1 [pid 3580] <... futex resumed>) = 0 [pid 3580] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3586 [pid 3582] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3580] <... futex resumed>) = 0 [pid 3584] <... mprotect resumed>) = 0 [pid 3583] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3582] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3580] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3585] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3584] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3583] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3582] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3585] <... mkdirat resumed>) = 0 [pid 3583] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3584] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3583] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3585] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3584] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3583] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3582] <... clone3 resumed> => {parent_tid=[3587]}, 88) = 3587 [pid 3586] set_robust_list(0x5555810c5760, 24 [pid 3583] <... mprotect resumed>) = 0 [pid 3584] <... clone3 resumed> => {parent_tid=[3588]}, 88) = 3588 [pid 3582] rt_sigprocmask(SIG_SETMASK, [] [pid 3585] <... futex resumed>) = 1 [pid 3584] rt_sigprocmask(SIG_SETMASK, [] [pid 3583] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3582] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3580] <... futex resumed>) = 0 [pid 3585] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3584] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3583] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3582] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3580] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3585] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3584] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3583] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3582] <... futex resumed>) = 0 [pid 3580] <... futex resumed>) = 0 [pid 3585] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3584] <... futex resumed>) = 0 [pid 3582] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3580] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3586] <... set_robust_list resumed>) = 0 [pid 3584] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3583] <... clone3 resumed> => {parent_tid=[3589]}, 88) = 3589 [pid 3585] <... symlinkat resumed>) = 0 [pid 3583] rt_sigprocmask(SIG_SETMASK, [] [pid 3585] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3583] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3585] <... futex resumed>) = 1 [pid 3583] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3580] <... futex resumed>) = 0 [pid 3585] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3583] <... futex resumed>) = 0 [pid 3580] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3585] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3583] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3580] <... futex resumed>) = 0 [pid 3585] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3580] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3586] rt_sigprocmask(SIG_SETMASK, [] [pid 3585] <... unlinkat resumed>) = 0 [pid 3586] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3585] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3586] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3585] <... futex resumed>) = 1 [pid 3580] <... futex resumed>) = 0 [pid 3585] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3580] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3585] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3580] <... futex resumed>) = 0 [pid 3585] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3580] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3589 attached [pid 3586] <... prctl resumed>) = 0 [pid 3586] setpgid(0, 0 [pid 3585] <... unlinkat resumed>) = 0 [pid 3586] <... setpgid resumed>) = 0 [pid 3585] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3586] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3589] set_robust_list(0x7f85c0c359a0, 24 [pid 3585] <... futex resumed>) = 1 [pid 3580] <... futex resumed>) = 0 [pid 3585] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3580] exit_group(0 [pid 3586] <... openat resumed>) = 3 [pid 3585] <... futex resumed>) = ? [pid 3580] <... exit_group resumed>) = ? [pid 3589] <... set_robust_list resumed>) = 0 [pid 3585] +++ exited with 0 +++ [pid 3586] write(3, "1000", 4) = 4 [pid 3586] close(3) = 0 [pid 3586] write(1, "executing program\n", 18ci2-android-5-15/strace-static-x86_64: Process 3588 attached ) = 18 [pid 3588] set_robust_list(0x7f85c0c359a0, 24 executing program [pid 3586] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3580] +++ exited with 0 +++ [pid 3588] <... set_robust_list resumed>) = 0 [pid 3586] <... futex resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3580, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3588] rt_sigprocmask(SIG_SETMASK, [] [pid 3586] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 3587 attached [pid 3588] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3586] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3589] rt_sigprocmask(SIG_SETMASK, [] [pid 3588] mkdirat(AT_FDCWD, "./config", 0777 [pid 3587] set_robust_list(0x7f85c0c359a0, 24 [pid 3586] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3588] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3587] <... set_robust_list resumed>) = 0 [pid 3586] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3588] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3587] rt_sigprocmask(SIG_SETMASK, [] [pid 3586] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3589] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3587] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3586] <... mmap resumed>) = 0x7f85c0c15000 [pid 3589] mkdirat(AT_FDCWD, "./config", 0777 [pid 3588] <... futex resumed>) = 1 [pid 3587] mkdirat(AT_FDCWD, "./config", 0777 [pid 3586] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3584] <... futex resumed>) = 0 [pid 3587] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3586] <... mprotect resumed>) = 0 [pid 3587] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3586] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3584] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3589] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3588] mount(NULL, "./config", "configfs", 0, NULL [pid 3586] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3584] <... futex resumed>) = 0 [pid 3586] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3584] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3586] <... clone3 resumed> => {parent_tid=[3590]}, 88) = 3590 [pid 3586] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3586] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3586] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3590 attached [pid 3590] set_robust_list(0x7f85c0c359a0, 24 [pid 3587] <... futex resumed>) = 1 [pid 3582] <... futex resumed>) = 0 [pid 3590] <... set_robust_list resumed>) = 0 [pid 3587] mount(NULL, "./config", "configfs", 0, NULL [pid 3582] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3588] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3582] <... futex resumed>) = 0 [pid 3590] rt_sigprocmask(SIG_SETMASK, [] [pid 3582] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3588] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3587] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3590] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3590] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3589] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3588] <... futex resumed>) = 1 [pid 3587] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3584] <... futex resumed>) = 0 [pid 3590] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3586] <... futex resumed>) = 0 [pid 3586] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3586] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3590] <... futex resumed>) = 1 [pid 3584] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3587] <... futex resumed>) = 1 [pid 3584] <... futex resumed>) = 0 [pid 3582] <... futex resumed>) = 0 [pid 3588] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3587] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3584] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3582] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... restart_syscall resumed>) = 0 [pid 3589] <... futex resumed>) = 1 [pid 3588] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3587] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3583] <... futex resumed>) = 0 [pid 3582] <... futex resumed>) = 0 [pid 3589] mount(NULL, "./config", "configfs", 0, NULL [pid 3588] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3587] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3583] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3582] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3589] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3588] <... futex resumed>) = 1 [pid 3587] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3584] <... futex resumed>) = 0 [pid 3583] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3589] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3588] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3587] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3584] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3583] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3589] <... futex resumed>) = 0 [pid 3588] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3587] <... futex resumed>) = 1 [pid 3584] <... futex resumed>) = 0 [pid 3583] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3582] <... futex resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 3591 attached [pid 3589] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3588] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3587] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3584] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3583] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3582] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3589] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3588] <... futex resumed>) = 0 [pid 3587] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3584] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3583] <... futex resumed>) = 0 [pid 3582] <... futex resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3591 [pid 3589] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3588] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3587] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3584] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3583] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3582] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3589] <... futex resumed>) = 0 [pid 3588] <... mkdirat resumed>) = 0 [pid 3587] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3584] <... futex resumed>) = 0 [pid 3583] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3591] set_robust_list(0x5555810c5760, 24 [pid 3589] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3588] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3587] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3584] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3583] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3589] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3588] <... futex resumed>) = 0 [pid 3587] <... futex resumed>) = 1 [pid 3584] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3583] <... futex resumed>) = 0 [pid 3582] <... futex resumed>) = 0 [pid 3589] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3588] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3587] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3584] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3583] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3582] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3589] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3588] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3587] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3584] <... futex resumed>) = 0 [pid 3582] <... futex resumed>) = 0 [pid 3589] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3588] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3587] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3584] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3582] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3589] <... futex resumed>) = 1 [pid 3583] <... futex resumed>) = 0 [pid 3589] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3588] <... symlinkat resumed>) = 0 [pid 3587] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3583] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3589] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3588] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3587] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3583] <... futex resumed>) = 0 [pid 3589] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3588] <... futex resumed>) = 1 [pid 3584] <... futex resumed>) = 0 [pid 3583] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3589] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3588] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3587] <... futex resumed>) = 1 [pid 3584] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3582] <... futex resumed>) = 0 [pid 3589] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3588] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3587] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3584] <... futex resumed>) = 0 [pid 3589] <... futex resumed>) = 1 [pid 3588] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3587] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3584] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3583] <... futex resumed>) = 0 [pid 3582] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3589] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3588] <... unlinkat resumed>) = 0 [pid 3582] <... futex resumed>) = 0 [pid 3589] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3588] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3587] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3583] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3582] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3589] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3588] <... futex resumed>) = 1 [pid 3587] <... symlinkat resumed>) = 0 [pid 3584] <... futex resumed>) = 0 [pid 3583] <... futex resumed>) = 0 [pid 3589] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3588] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3587] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3584] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3583] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3589] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3588] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3587] <... futex resumed>) = 1 [pid 3584] <... futex resumed>) = 0 [pid 3583] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3582] <... futex resumed>) = 0 [pid 3589] <... futex resumed>) = 0 [pid 3588] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3587] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3584] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3583] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3582] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3589] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3588] <... futex resumed>) = 0 [pid 3587] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3584] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3583] <... futex resumed>) = 0 [pid 3582] <... futex resumed>) = 0 [pid 3584] exit_group(0 [pid 3588] ???( [pid 3587] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3583] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3584] <... exit_group resumed>) = ? [pid 3582] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3588] <... ??? resumed>) = -1 ENOSYS (Function not implemented) [pid 3589] <... unlinkat resumed>) = 0 [pid 3587] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3590] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3587] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3590] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3586] <... futex resumed>) = 0 [pid 3590] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3586] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3586] <... futex resumed>) = 0 [pid 3590] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3586] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3590] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3588] +++ exited with 0 +++ [pid 3587] <... futex resumed>) = 1 [pid 3584] +++ exited with 0 +++ [pid 3582] <... futex resumed>) = 0 [pid 3590] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3589] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3587] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3582] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3584, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3591] <... set_robust_list resumed>) = 0 [pid 3590] <... futex resumed>) = 1 [pid 3589] <... futex resumed>) = 1 [pid 3587] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3586] <... futex resumed>) = 0 [pid 3583] <... futex resumed>) = 0 [pid 3582] <... futex resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3590] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3589] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3587] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3586] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3583] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3582] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3589] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3586] <... futex resumed>) = 0 [pid 3583] <... futex resumed>) = 0 [pid 3590] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3589] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3587] <... unlinkat resumed>) = 0 [pid 3586] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3583] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3590] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3589] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3587] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3590] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3589] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3587] <... futex resumed>) = 1 [pid 3586] <... futex resumed>) = 0 [pid 3582] <... futex resumed>) = 0 [pid 3591] rt_sigprocmask(SIG_SETMASK, [] [pid 3590] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3589] <... futex resumed>) = 1 [pid 3587] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3586] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3583] <... futex resumed>) = 0 [pid 3591] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3589] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3586] <... futex resumed>) = 0 [pid 3583] exit_group(0 [pid 3582] exit_group(0 [pid 3590] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3589] <... futex resumed>) = ? [pid 3586] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3583] <... exit_group resumed>) = ? [pid 3587] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 3582] <... exit_group resumed>) = ? [pid 3591] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3590] <... mkdirat resumed>) = 0 [pid 3589] +++ exited with 0 +++ [pid 3590] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3586] <... futex resumed>) = 0 [pid 3590] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3586] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3586] <... futex resumed>) = 0 [pid 3590] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3586] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3583] +++ exited with 0 +++ [pid 3590] <... symlinkat resumed>) = 0 [pid 3590] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3586] <... futex resumed>) = 0 [pid 3590] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3586] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3586] <... futex resumed>) = 0 [pid 3590] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3586] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3590] <... unlinkat resumed>) = 0 [pid 3587] +++ exited with 0 +++ [pid 3582] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3583, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3590] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3591] <... prctl resumed>) = 0 [pid 3590] <... futex resumed>) = 1 [pid 3586] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3582, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3590] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3586] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3591] setpgid(0, 0 [pid 3590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3586] <... futex resumed>) = 0 [pid 3590] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3586] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3591] <... setpgid resumed>) = 0 [pid 3590] <... unlinkat resumed>) = 0 [pid 3590] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3586] <... futex resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 3591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3590] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3586] exit_group(0 [pid 304] <... restart_syscall resumed>) = 0 [pid 3590] <... futex resumed>) = ? [pid 3586] <... exit_group resumed>) = ? [pid 3591] <... openat resumed>) = 3 [pid 3590] +++ exited with 0 +++ [pid 3586] +++ exited with 0 +++ [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3591] write(3, "1000", 4 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3586, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3591] <... write resumed>) = 4 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3591] close(3 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3592 ci2-android-5-15/strace-static-x86_64: Process 3592 attached [pid 3592] set_robust_list(0x5555810c5760, 24) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3593 [pid 3591] <... close resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3591] write(1, "executing program\n", 18 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 3591] <... write resumed>) = 18 ci2-android-5-15/strace-static-x86_64: Process 3593 attached [pid 3592] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... restart_syscall resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 3591] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3591] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3591] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3591] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3592] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3592] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3592] setpgid(0, 0) = 0 [pid 3592] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3592] write(3, "1000", 4) = 4 [pid 3592] close(3 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3594 [pid 3591] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3592] <... close resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3591] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3595 [pid 3591] <... mmap resumed>) = 0x7f85c0c15000 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3592] write(1, "executing program\n", 18 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3591] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3592] <... write resumed>) = 18 [pid 3591] <... mprotect resumed>) = 0 [pid 3592] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3592] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3591] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3592] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3591] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3592] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3591] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3592] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3592] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3592] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3591] <... clone3 resumed> => {parent_tid=[3596]}, 88) = 3596 executing program [pid 3592] <... mprotect resumed>) = 0 [pid 3591] rt_sigprocmask(SIG_SETMASK, [] [pid 3592] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3591] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3592] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3591] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3592] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3591] <... futex resumed>) = 0 [pid 3591] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3592] <... clone3 resumed> => {parent_tid=[3597]}, 88) = 3597 [pid 3592] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 3595 attached , NULL, 8) = 0 [pid 3592] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3592] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3593] set_robust_list(0x5555810c5760, 24 [pid 3595] set_robust_list(0x5555810c5760, 24 [pid 3593] <... set_robust_list resumed>) = 0 [pid 3595] <... set_robust_list resumed>) = 0 [pid 3593] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 3594 attached , NULL, 8) = 0 [pid 3595] rt_sigprocmask(SIG_SETMASK, [] [pid 3593] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3593] setpgid(0, 0) = 0 [pid 3593] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-5-15/strace-static-x86_64: Process 3597 attached ci2-android-5-15/strace-static-x86_64: Process 3596 attached [pid 3595] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3594] set_robust_list(0x5555810c5760, 24 [pid 3595] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3593] <... openat resumed>) = 3 [pid 3594] <... set_robust_list resumed>) = 0 [pid 3596] set_robust_list(0x7f85c0c359a0, 24 [pid 3593] write(3, "1000", 4) = 4 [pid 3593] close(3 [pid 3595] <... prctl resumed>) = 0 [pid 3596] <... set_robust_list resumed>) = 0 [pid 3594] rt_sigprocmask(SIG_SETMASK, [] [pid 3593] <... close resumed>) = 0 [pid 3597] set_robust_list(0x7f85c0c359a0, 24 [pid 3593] write(1, "executing program\n", 18) = 18 executing program [pid 3593] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3593] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3593] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3593] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3593] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3596] rt_sigprocmask(SIG_SETMASK, [] [pid 3597] <... set_robust_list resumed>) = 0 [pid 3595] setpgid(0, 0 [pid 3594] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3593] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3595] <... setpgid resumed>) = 0 [pid 3593] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3594] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3593] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3595] <... openat resumed>) = 3 [pid 3594] <... prctl resumed>) = 0 [pid 3593] <... clone3 resumed> => {parent_tid=[3598]}, 88) = 3598 [pid 3593] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3593] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 ci2-android-5-15/strace-static-x86_64: Process 3598 attached [pid 3597] rt_sigprocmask(SIG_SETMASK, [] [pid 3596] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3595] write(3, "1000", 4 [pid 3594] setpgid(0, 0 [pid 3593] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3598] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3598] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3598] mkdirat(AT_FDCWD, "./config", 0777 [pid 3595] <... write resumed>) = 4 [pid 3594] <... setpgid resumed>) = 0 [pid 3596] mkdirat(AT_FDCWD, "./config", 0777 [pid 3595] close(3 [pid 3594] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3598] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3598] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3593] <... futex resumed>) = 0 [pid 3598] mount(NULL, "./config", "configfs", 0, NULL [pid 3593] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3596] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3595] <... close resumed>) = 0 [pid 3594] <... openat resumed>) = 3 [pid 3598] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3595] write(1, "executing program\n", 18 [pid 3593] <... futex resumed>) = 0 [pid 3598] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3597] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3596] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3594] write(3, "1000", 4 [pid 3595] <... write resumed>) = 18 executing program [pid 3593] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 3596] <... futex resumed>) = 1 [pid 3595] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3594] <... write resumed>) = 4 [pid 3591] <... futex resumed>) = 0 [pid 3593] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3593] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3597] mkdirat(AT_FDCWD, "./config", 0777 [pid 3598] <... futex resumed>) = 1 [pid 3596] mount(NULL, "./config", "configfs", 0, NULL [pid 3595] <... futex resumed>) = 0 [pid 3594] close(3 [pid 3591] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3595] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3593] <... futex resumed>) = 0 [pid 3596] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3591] <... futex resumed>) = 0 [pid 3594] <... close resumed>) = 0 [pid 3597] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3596] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3595] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3594] write(1, "executing program\n", 18 [pid 3593] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=49000000} executing program [pid 3591] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3597] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3596] <... futex resumed>) = 0 [pid 3595] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3594] <... write resumed>) = 18 [pid 3591] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3597] <... futex resumed>) = 1 [pid 3596] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3595] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3594] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3592] <... futex resumed>) = 0 [pid 3597] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3596] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3595] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3594] <... futex resumed>) = 0 [pid 3592] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3591] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3597] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3596] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3595] <... mmap resumed>) = 0x7f85c0c15000 [pid 3594] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3592] <... futex resumed>) = 0 [pid 3591] <... futex resumed>) = 0 [pid 3597] mount(NULL, "./config", "configfs", 0, NULL [pid 3596] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3595] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3594] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3592] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3591] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3597] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3596] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3595] <... mprotect resumed>) = 0 [pid 3594] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3591] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3597] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3596] <... futex resumed>) = 0 [pid 3595] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3594] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3591] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3597] <... futex resumed>) = 1 [pid 3596] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3595] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3594] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3592] <... futex resumed>) = 0 [pid 3591] <... futex resumed>) = 0 [pid 3597] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3596] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3595] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3594] <... mmap resumed>) = 0x7f85c0c15000 [pid 3592] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3591] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3597] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3596] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3592] <... futex resumed>) = 0 [pid 3597] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3596] <... futex resumed>) = 0 [pid 3594] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3592] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3591] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3597] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3596] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3595] <... clone3 resumed> => {parent_tid=[3599]}, 88) = 3599 [pid 3594] <... mprotect resumed>) = 0 [pid 3591] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3599 attached [pid 3598] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3597] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3596] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3595] rt_sigprocmask(SIG_SETMASK, [] [pid 3594] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3598] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3595] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3591] <... futex resumed>) = 0 [pid 3596] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3594] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3597] <... futex resumed>) = 1 [pid 3595] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3592] <... futex resumed>) = 0 [pid 3591] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3596] <... mkdirat resumed>) = 0 [pid 3595] <... futex resumed>) = 0 [pid 3592] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3597] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3596] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3595] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3594] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3592] <... futex resumed>) = 0 [pid 3597] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3596] <... futex resumed>) = 1 [pid 3592] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3591] <... futex resumed>) = 0 [pid 3598] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3591] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3597] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3596] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3594] <... clone3 resumed> => {parent_tid=[3600]}, 88) = 3600 [pid 3591] <... futex resumed>) = 0 [pid 3593] <... futex resumed>) = 0 [pid 3596] <... symlinkat resumed>) = 0 [pid 3594] rt_sigprocmask(SIG_SETMASK, [] [pid 3597] <... futex resumed>) = 1 [pid 3593] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3592] <... futex resumed>) = 0 [pid 3591] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3596] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3594] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3593] <... futex resumed>) = 0 [pid 3592] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3591] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3597] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3596] <... futex resumed>) = 0 [pid 3594] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3593] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3592] <... futex resumed>) = 0 [pid 3591] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3599] set_robust_list(0x7f85c0c359a0, 24 [pid 3598] <... futex resumed>) = 1 [pid 3597] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3596] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3594] <... futex resumed>) = 0 [pid 3592] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3591] <... futex resumed>) = 0 [pid 3599] <... set_robust_list resumed>) = 0 [pid 3598] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3597] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3596] <... unlinkat resumed>) = 0 [pid 3594] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3592] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3591] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3599] rt_sigprocmask(SIG_SETMASK, [] [pid 3598] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3597] <... futex resumed>) = 0 [pid 3596] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3592] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3591] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3599] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3598] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3597] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3596] <... futex resumed>) = 0 [pid 3592] <... futex resumed>) = 0 [pid 3591] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3599] mkdirat(AT_FDCWD, "./config", 0777 [pid 3598] <... futex resumed>) = 1 [pid 3597] <... symlinkat resumed>) = 0 [pid 3596] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3593] <... futex resumed>) = 0 [pid 3592] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3591] <... futex resumed>) = 0 [pid 3599] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3598] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3597] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3596] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3593] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3592] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3591] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3599] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3598] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3597] <... futex resumed>) = 0 [pid 3596] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3593] <... futex resumed>) = 0 [pid 3592] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3591] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3599] <... futex resumed>) = 1 [pid 3598] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3597] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3596] <... futex resumed>) = 0 [pid 3595] <... futex resumed>) = 0 [pid 3593] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3592] <... futex resumed>) = 0 [pid 3591] exit_group(0 [pid 3599] mount(NULL, "./config", "configfs", 0, NULL [pid 3598] <... futex resumed>) = 0 [pid 3597] <... unlinkat resumed>) = 0 [pid 3595] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3593] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3592] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3596] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3591] <... exit_group resumed>) = ? [pid 3596] <... futex resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 3600 attached [pid 3599] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3598] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3597] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3596] +++ exited with 0 +++ [pid 3595] <... futex resumed>) = 0 [pid 3593] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3592] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3599] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3598] <... symlinkat resumed>) = 0 [pid 3593] <... futex resumed>) = 0 [pid 3599] <... futex resumed>) = 0 [pid 3598] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3593] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3599] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3598] <... futex resumed>) = 0 [pid 3593] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3591] +++ exited with 0 +++ [pid 3597] <... futex resumed>) = 0 [pid 3595] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3592] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3598] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3597] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3595] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3593] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3592] <... futex resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3591, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3598] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3597] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3595] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3593] <... futex resumed>) = 0 [pid 3592] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3599] <... futex resumed>) = 0 [pid 3598] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3597] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3595] <... futex resumed>) = 1 [pid 3593] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3592] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3599] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3598] <... unlinkat resumed>) = 0 [pid 3597] <... futex resumed>) = 0 [pid 3595] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3592] exit_group(0 [pid 3600] set_robust_list(0x7f85c0c359a0, 24 [pid 305] <... restart_syscall resumed>) = 0 [pid 3600] <... set_robust_list resumed>) = 0 [pid 3599] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3598] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3592] <... exit_group resumed>) = ? [pid 3599] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3598] <... futex resumed>) = 1 [pid 3597] +++ exited with 0 +++ [pid 3593] <... futex resumed>) = 0 [pid 3599] <... futex resumed>) = 1 [pid 3598] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3593] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3599] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3598] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3593] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3598] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3593] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3592] +++ exited with 0 +++ [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 3601 attached [pid 3600] rt_sigprocmask(SIG_SETMASK, [] [pid 3598] <... unlinkat resumed>) = 0 [pid 3595] <... futex resumed>) = 0 [pid 3600] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3598] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3595] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3592, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3601 [pid 3600] mkdirat(AT_FDCWD, "./config", 0777 [pid 3599] <... futex resumed>) = 0 [pid 3598] <... futex resumed>) = 1 [pid 3595] <... futex resumed>) = 1 [pid 3593] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3601] set_robust_list(0x5555810c5760, 24 [pid 3600] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3599] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3598] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3595] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3593] exit_group(0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3600] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3599] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3598] <... futex resumed>) = ? [pid 3593] <... exit_group resumed>) = ? [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3601] <... set_robust_list resumed>) = 0 [pid 3600] <... futex resumed>) = 1 [pid 3599] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3598] +++ exited with 0 +++ [pid 3594] <... futex resumed>) = 0 [pid 3593] +++ exited with 0 +++ [pid 3599] <... futex resumed>) = 1 [pid 3595] <... futex resumed>) = 0 [pid 3599] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3595] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3600] mount(NULL, "./config", "configfs", 0, NULL [pid 3599] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3595] <... futex resumed>) = 0 [pid 3594] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3599] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3595] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3594] <... futex resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3602 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3593, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 3602 attached [pid 3601] rt_sigprocmask(SIG_SETMASK, [] [pid 3600] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3599] <... mkdirat resumed>) = 0 [pid 3594] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3600] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3599] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3594] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3600] <... futex resumed>) = 0 [pid 3599] <... futex resumed>) = 1 [pid 3595] <... futex resumed>) = 0 [pid 3594] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3600] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3599] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3595] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3594] <... futex resumed>) = 0 [pid 3600] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3599] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3595] <... futex resumed>) = 0 [pid 3594] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3600] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3599] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3595] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3594] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3600] <... futex resumed>) = 0 [pid 3599] <... symlinkat resumed>) = 0 [pid 3594] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3600] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3599] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3594] <... futex resumed>) = 0 [pid 3600] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3599] <... futex resumed>) = 1 [pid 3595] <... futex resumed>) = 0 [pid 3594] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3600] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3599] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3595] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3594] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3602] set_robust_list(0x5555810c5760, 24 [pid 3600] <... futex resumed>) = 0 [pid 3599] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3595] <... futex resumed>) = 0 [pid 3594] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3602] <... set_robust_list resumed>) = 0 [pid 3600] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3599] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3595] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3602] rt_sigprocmask(SIG_SETMASK, [] [pid 3601] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3600] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3599] <... unlinkat resumed>) = 0 [pid 3594] <... futex resumed>) = 0 [pid 3602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3600] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3599] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3594] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3602] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3600] <... futex resumed>) = 0 [pid 3599] <... futex resumed>) = 1 [pid 3595] <... futex resumed>) = 0 [pid 3594] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3602] <... prctl resumed>) = 0 [pid 3600] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3599] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3595] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3594] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3602] setpgid(0, 0 [pid 3601] <... prctl resumed>) = 0 [pid 3600] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3599] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3595] <... futex resumed>) = 0 [pid 3594] <... futex resumed>) = 0 [pid 3602] <... setpgid resumed>) = 0 [pid 3601] setpgid(0, 0 [pid 3600] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3599] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3595] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3594] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3602] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3601] <... setpgid resumed>) = 0 [pid 3600] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3599] <... unlinkat resumed>) = 0 [pid 3602] <... openat resumed>) = 3 [pid 3601] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3600] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3599] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3602] write(3, "1000", 4 [pid 3599] <... futex resumed>) = 1 [pid 3595] <... futex resumed>) = 0 [pid 3602] <... write resumed>) = 4 [pid 3600] <... futex resumed>) = 1 [pid 3599] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3595] exit_group(0 [pid 3594] <... futex resumed>) = 0 [pid 3601] <... openat resumed>) = 3 [pid 3602] close(3 [pid 3600] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3601] write(3, "1000", 4 [pid 3599] <... futex resumed>) = ? [pid 3595] <... exit_group resumed>) = ? [pid 3594] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3602] <... close resumed>) = 0 [pid 3601] <... write resumed>) = 4 [pid 3600] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3599] +++ exited with 0 +++ [pid 3595] +++ exited with 0 +++ [pid 3594] <... futex resumed>) = 0 [pid 3601] close(3 [pid 3600] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3594] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3595, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3600] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3601] <... close resumed>) = 0 [pid 3600] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3602] write(1, "executing program\n", 18 [pid 3600] <... futex resumed>) = 1 [pid 3594] <... futex resumed>) = 0 executing program [pid 3601] write(1, "executing program\n", 18 [pid 3602] <... write resumed>) = 18 [pid 3600] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3594] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 3602] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3601] <... write resumed>) = 18 [pid 3600] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3594] <... futex resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 3602] <... futex resumed>) = 0 [pid 3600] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3594] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3602] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3601] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3600] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3602] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3600] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3602] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3601] <... futex resumed>) = 0 [pid 3602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3600] <... futex resumed>) = 1 [pid 3594] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3602] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3601] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3600] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3594] exit_group(0 [pid 311] <... restart_syscall resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3602] <... mmap resumed>) = 0x7f85c0c15000 [pid 3601] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3600] <... futex resumed>) = ? [pid 3594] <... exit_group resumed>) = ? [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3602] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3601] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3600] +++ exited with 0 +++ [pid 3602] <... mprotect resumed>) = 0 [pid 3602] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3602] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3594] +++ exited with 0 +++ [pid 3602] <... clone3 resumed> => {parent_tid=[3603]}, 88) = 3603 [pid 3602] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3602] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3602] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3603 attached [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3594, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3604 [pid 3601] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3601] <... mmap resumed>) = 0x7f85c0c15000 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3603] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3603] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3601] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3603] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3603] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3602] <... futex resumed>) = 0 [pid 3602] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3602] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3601] <... mprotect resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3606 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3605 [pid 3603] <... futex resumed>) = 1 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3601] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3603] mount(NULL, "./config", "configfs", 0, NULL [pid 3601] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3601] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3603] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3603] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3601] <... clone3 resumed> => {parent_tid=[3607]}, 88) = 3607 [pid 3602] <... futex resumed>) = 0 [pid 3601] rt_sigprocmask(SIG_SETMASK, [] [pid 3602] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3601] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3607 attached ci2-android-5-15/strace-static-x86_64: Process 3606 attached ci2-android-5-15/strace-static-x86_64: Process 3604 attached [pid 3602] <... futex resumed>) = 0 [pid 3601] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3602] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3601] <... futex resumed>) = 0 [pid 3603] <... futex resumed>) = 1 [pid 3601] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3607] set_robust_list(0x7f85c0c359a0, 24 [pid 3606] set_robust_list(0x5555810c5760, 24 [pid 3604] set_robust_list(0x5555810c5760, 24 [pid 3603] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3603] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3602] <... futex resumed>) = 0 [pid 3602] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3602] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3603] <... futex resumed>) = 1 [pid 3603] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3603] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3607] <... set_robust_list resumed>) = 0 [pid 3606] <... set_robust_list resumed>) = 0 [pid 3604] <... set_robust_list resumed>) = 0 [pid 3602] <... futex resumed>) = 0 [pid 3602] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3602] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3604] rt_sigprocmask(SIG_SETMASK, [] [pid 3603] <... futex resumed>) = 1 [pid 3606] rt_sigprocmask(SIG_SETMASK, [] [pid 3604] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3603] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3607] rt_sigprocmask(SIG_SETMASK, [] [pid 3606] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3604] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3603] <... mkdirat resumed>) = 0 [pid 3603] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3602] <... futex resumed>) = 0 [pid 3602] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3607] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3606] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3604] <... prctl resumed>) = 0 [pid 3602] <... futex resumed>) = 0 [pid 3602] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3603] <... futex resumed>) = 1 [pid 3603] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3607] mkdirat(AT_FDCWD, "./config", 0777 [pid 3606] <... prctl resumed>) = 0 [pid 3604] setpgid(0, 0 [pid 3603] <... symlinkat resumed>) = 0 [pid 3603] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3602] <... futex resumed>) = 0 [pid 3602] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3602] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3607] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3606] setpgid(0, 0 [pid 3604] <... setpgid resumed>) = 0 [pid 3603] <... futex resumed>) = 1 [pid 3603] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3603] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3602] <... futex resumed>) = 0 [pid 3602] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3602] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3603] <... futex resumed>) = 1 [pid 3607] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3606] <... setpgid resumed>) = 0 [pid 3604] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3603] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3607] <... futex resumed>) = 1 [pid 3606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3601] <... futex resumed>) = 0 [pid 3607] mount(NULL, "./config", "configfs", 0, NULL [pid 3606] <... openat resumed>) = 3 [pid 3604] <... openat resumed>) = 3 [pid 3603] <... unlinkat resumed>) = 0 [pid 3601] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3603] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3604] write(3, "1000", 4 [pid 3601] <... futex resumed>) = 0 [pid 3606] write(3, "1000", 4 [pid 3607] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3604] <... write resumed>) = 4 [pid 3601] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3606] <... write resumed>) = 4 [pid 3604] close(3 [pid 3603] <... futex resumed>) = 1 [pid 3607] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3602] <... futex resumed>) = 0 [pid 3603] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3602] exit_group(0 [pid 3603] <... futex resumed>) = ? [pid 3602] <... exit_group resumed>) = ? [pid 3607] <... futex resumed>) = 1 [pid 3606] close(3 [pid 3604] <... close resumed>) = 0 [pid 3603] +++ exited with 0 +++ [pid 3602] +++ exited with 0 +++ [pid 3601] <... futex resumed>) = 0 [pid 3607] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3606] <... close resumed>) = 0 [pid 3604] write(1, "executing program\n", 18 [pid 3601] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3606] write(1, "executing program\n", 18 [pid 3601] <... futex resumed>) = 0 executing program executing program [pid 3607] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3606] <... write resumed>) = 18 [pid 3604] <... write resumed>) = 18 [pid 3601] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3602, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3606] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3604] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3607] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3606] <... futex resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 3605 attached [pid 3607] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3606] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3604] <... futex resumed>) = 0 [pid 3607] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3606] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3604] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3607] <... futex resumed>) = 1 [pid 3606] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3604] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3601] <... futex resumed>) = 0 [pid 3607] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3606] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3605] set_robust_list(0x5555810c5760, 24 [pid 3604] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3601] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3607] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3606] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3605] <... set_robust_list resumed>) = 0 [pid 3604] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3601] <... futex resumed>) = 0 [pid 3607] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3606] <... mmap resumed>) = 0x7f85c0c15000 [pid 3605] rt_sigprocmask(SIG_SETMASK, [] [pid 3604] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3601] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3607] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3606] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3604] <... mmap resumed>) = 0x7f85c0c15000 [pid 3607] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3606] <... mprotect resumed>) = 0 [pid 3605] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3604] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3607] <... futex resumed>) = 1 [pid 3601] <... futex resumed>) = 0 [pid 3607] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3606] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3604] <... mprotect resumed>) = 0 [pid 3601] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3607] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3606] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3601] <... futex resumed>) = 0 [pid 3607] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3606] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3604] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3601] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3607] <... mkdirat resumed>) = 0 [pid 3604] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3605] <... prctl resumed>) = 0 [pid 3604] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3605] setpgid(0, 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 3605] <... setpgid resumed>) = 0 [pid 3607] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3605] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3607] <... futex resumed>) = 1 [pid 3606] <... clone3 resumed> => {parent_tid=[3608]}, 88) = 3608 [pid 3605] <... openat resumed>) = 3 [pid 3604] <... clone3 resumed> => {parent_tid=[3609]}, 88) = 3609 [pid 3601] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3607] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3606] rt_sigprocmask(SIG_SETMASK, [] [pid 3605] write(3, "1000", 4 [pid 3604] rt_sigprocmask(SIG_SETMASK, [] [pid 3601] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3607] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3606] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3605] <... write resumed>) = 4 [pid 3604] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3601] <... futex resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3607] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3606] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3605] close(3 [pid 3604] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3601] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3605] <... close resumed>) = 0 [pid 3605] write(1, "executing program\n", 18) = 18 [pid 3605] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3606] <... futex resumed>) = 0 [pid 3605] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3604] <... futex resumed>) = 0 [pid 3607] <... symlinkat resumed>) = 0 [pid 3605] <... rt_sigaction resumed>, NULL, 8) = 0 executing program [pid 3604] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3607] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3606] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3605] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3610 [pid 3607] <... futex resumed>) = 1 [pid 3605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3601] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3607] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3605] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3601] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3607] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3605] <... mmap resumed>) = 0x7f85c0c15000 [pid 3601] <... futex resumed>) = 0 [pid 3607] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3605] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3601] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3605] <... mprotect resumed>) = 0 [pid 3607] <... unlinkat resumed>) = 0 [pid 3605] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3607] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3605] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3607] <... futex resumed>) = 1 [pid 3605] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3601] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3610 attached [pid 3607] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3601] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3607] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3605] <... clone3 resumed> => {parent_tid=[3611]}, 88) = 3611 [pid 3601] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3609 attached ci2-android-5-15/strace-static-x86_64: Process 3608 attached [pid 3607] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3605] rt_sigprocmask(SIG_SETMASK, [] [pid 3601] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3609] set_robust_list(0x7f85c0c359a0, 24 [pid 3608] set_robust_list(0x7f85c0c359a0, 24 [pid 3607] <... unlinkat resumed>) = 0 [pid 3605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3609] <... set_robust_list resumed>) = 0 [pid 3608] <... set_robust_list resumed>) = 0 [pid 3607] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3605] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] rt_sigprocmask(SIG_SETMASK, [] [pid 3608] rt_sigprocmask(SIG_SETMASK, [] [pid 3607] <... futex resumed>) = 1 [pid 3605] <... futex resumed>) = 0 [pid 3601] <... futex resumed>) = 0 [pid 3610] set_robust_list(0x5555810c5760, 24 [pid 3609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3608] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3607] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3605] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3601] exit_group(0 [pid 3610] <... set_robust_list resumed>) = 0 [pid 3609] mkdirat(AT_FDCWD, "./config", 0777 [pid 3608] mkdirat(AT_FDCWD, "./config", 0777 [pid 3609] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3608] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3609] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3608] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3607] <... futex resumed>) = ? [pid 3601] <... exit_group resumed>) = ? [pid 3609] <... futex resumed>) = 1 [pid 3608] <... futex resumed>) = 1 [pid 3607] +++ exited with 0 +++ [pid 3606] <... futex resumed>) = 0 [pid 3604] <... futex resumed>) = 0 [pid 3609] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3608] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 3611 attached [pid 3611] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3611] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3611] mkdirat(AT_FDCWD, "./config", 0777 [pid 3601] +++ exited with 0 +++ [pid 3606] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3604] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3601, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3610] rt_sigprocmask(SIG_SETMASK, [] [pid 3609] <... futex resumed>) = 0 [pid 3608] <... futex resumed>) = 0 [pid 3606] <... futex resumed>) = 1 [pid 3604] <... futex resumed>) = 1 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3610] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3609] mount(NULL, "./config", "configfs", 0, NULL [pid 3608] mount(NULL, "./config", "configfs", 0, NULL [pid 3606] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3604] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3609] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3608] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3609] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3608] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] setpgid(0, 0 [pid 3609] <... futex resumed>) = 1 [pid 3608] <... futex resumed>) = 1 [pid 3606] <... futex resumed>) = 0 [pid 3604] <... futex resumed>) = 0 [pid 3611] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3610] <... setpgid resumed>) = 0 [pid 3609] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3608] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3606] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3604] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3608] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3606] <... futex resumed>) = 0 [pid 3604] <... futex resumed>) = 0 [pid 3611] <... futex resumed>) = 1 [pid 3610] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3609] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3608] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3606] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3605] <... futex resumed>) = 0 [pid 3604] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3610] <... openat resumed>) = 3 [pid 3609] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3608] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3605] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3609] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3608] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3605] <... futex resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 3611] mount(NULL, "./config", "configfs", 0, NULL [pid 3610] write(3, "1000", 4 [pid 3609] <... futex resumed>) = 1 [pid 3608] <... futex resumed>) = 1 [pid 3606] <... futex resumed>) = 0 [pid 3605] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3604] <... futex resumed>) = 0 [pid 3611] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3610] <... write resumed>) = 4 [pid 3609] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3608] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3606] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3604] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] close(3 [pid 3609] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3608] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3606] <... futex resumed>) = 0 [pid 3604] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3611] <... futex resumed>) = 1 [pid 3610] <... close resumed>) = 0 [pid 3609] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3608] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3606] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3605] <... futex resumed>) = 0 [pid 3604] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3611] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3610] write(1, "executing program\n", 18 [pid 3609] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3608] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 3605] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 3612 attached [pid 3611] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3610] <... write resumed>) = 18 [pid 3609] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3608] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3605] <... futex resumed>) = 0 [pid 3611] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3610] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] <... futex resumed>) = 1 [pid 3608] <... futex resumed>) = 1 [pid 3606] <... futex resumed>) = 0 [pid 3605] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3604] <... futex resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3612 [pid 3611] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3610] <... futex resumed>) = 0 [pid 3609] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3608] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3606] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3604] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3611] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3609] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3608] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3606] <... futex resumed>) = 0 [pid 3604] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3612] set_robust_list(0x5555810c5760, 24 [pid 3611] <... futex resumed>) = 1 [pid 3610] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3609] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3608] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3606] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3605] <... futex resumed>) = 0 [pid 3604] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3610] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3609] <... mkdirat resumed>) = 0 [pid 3608] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3605] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3610] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3609] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3608] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3605] <... futex resumed>) = 0 [pid 3611] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3610] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3609] <... futex resumed>) = 1 [pid 3608] <... futex resumed>) = 1 [pid 3606] <... futex resumed>) = 0 [pid 3605] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3604] <... futex resumed>) = 0 [pid 3611] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3610] <... mmap resumed>) = 0x7f85c0c15000 [pid 3609] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3608] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3606] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3604] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3609] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3608] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3606] <... futex resumed>) = 0 [pid 3604] <... futex resumed>) = 0 [pid 3611] <... futex resumed>) = 1 [pid 3610] <... mprotect resumed>) = 0 [pid 3609] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3608] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3606] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3605] <... futex resumed>) = 0 [pid 3604] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3610] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3609] <... symlinkat resumed>) = 0 [pid 3608] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3605] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3610] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3609] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3608] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3605] <... futex resumed>) = 0 [pid 3611] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3610] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3609] <... futex resumed>) = 1 [pid 3608] <... futex resumed>) = 1 [pid 3606] <... futex resumed>) = 0 [pid 3605] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3604] <... futex resumed>) = 0 [pid 3611] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3609] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3608] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3606] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3604] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... clone3 resumed> => {parent_tid=[3613]}, 88) = 3613 [pid 3609] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3608] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3606] <... futex resumed>) = 0 [pid 3604] <... futex resumed>) = 0 [pid 3611] <... futex resumed>) = 1 [pid 3610] rt_sigprocmask(SIG_SETMASK, [] [pid 3609] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3608] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3606] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3605] <... futex resumed>) = 0 [pid 3604] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] <... set_robust_list resumed>) = 0 [pid 3611] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3610] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3609] <... unlinkat resumed>) = 0 [pid 3608] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3605] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] rt_sigprocmask(SIG_SETMASK, [] [pid 3611] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3610] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3608] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3605] <... futex resumed>) = 0 [pid 3612] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3611] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3610] <... futex resumed>) = 0 [pid 3609] <... futex resumed>) = 1 [pid 3608] <... futex resumed>) = 1 [pid 3606] <... futex resumed>) = 0 [pid 3605] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3604] <... futex resumed>) = 0 [pid 3611] <... symlinkat resumed>) = 0 [pid 3610] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3609] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3608] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3606] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3604] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3611] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3608] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3606] <... futex resumed>) = 0 [pid 3604] <... futex resumed>) = 0 [pid 3612] <... prctl resumed>) = 0 [pid 3611] <... futex resumed>) = 1 [pid 3609] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3608] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3606] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3605] <... futex resumed>) = 0 [pid 3604] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] setpgid(0, 0 [pid 3611] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3609] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3608] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3605] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... setpgid resumed>) = 0 [pid 3611] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3609] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3608] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3605] <... futex resumed>) = 0 [pid 3612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3611] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3609] <... futex resumed>) = 1 [pid 3608] <... futex resumed>) = 1 [pid 3606] <... futex resumed>) = 0 [pid 3605] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3604] <... futex resumed>) = 0 [pid 3612] <... openat resumed>) = 3 [pid 3611] <... unlinkat resumed>) = 0 [pid 3609] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3608] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3606] exit_group(0 [pid 3604] exit_group(0 [pid 3612] write(3, "1000", 4 [pid 3611] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3608] <... futex resumed>) = ? [pid 3609] <... futex resumed>) = ? [pid 3606] <... exit_group resumed>) = ? [pid 3604] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 3613 attached [pid 3612] <... write resumed>) = 4 [pid 3611] <... futex resumed>) = 1 [pid 3605] <... futex resumed>) = 0 [pid 3612] close(3 [pid 3611] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3612] <... close resumed>) = 0 [pid 3612] write(1, "executing program\n", 18) = 18 [pid 3612] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3608] +++ exited with 0 +++ [pid 3606] +++ exited with 0 +++ [pid 3612] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3606, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3612] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3612] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3612] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3612] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3609] +++ exited with 0 +++ [pid 3604] +++ exited with 0 +++ [pid 3612] <... mmap resumed>) = 0x7f85c0c15000 executing program [pid 3605] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] set_robust_list(0x7f85c0c359a0, 24 [pid 3612] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3611] <... futex resumed>) = 0 [pid 3605] <... futex resumed>) = 1 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3604, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3613] <... set_robust_list resumed>) = 0 [pid 3612] <... mprotect resumed>) = 0 [pid 3611] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3605] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3613] rt_sigprocmask(SIG_SETMASK, [] [pid 3612] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3611] <... unlinkat resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 3613] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3612] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3611] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] mkdirat(AT_FDCWD, "./config", 0777 [pid 3612] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3611] <... futex resumed>) = 1 [pid 3605] <... futex resumed>) = 0 [pid 3611] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3605] exit_group(0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3605] <... exit_group resumed>) = ? [pid 3611] <... futex resumed>) = ? [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3613] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3613] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3613] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 3614 attached [pid 3614] set_robust_list(0x7f85c0c359a0, 24 [pid 3611] +++ exited with 0 +++ [pid 3605] +++ exited with 0 +++ [pid 3610] <... futex resumed>) = 0 [pid 3614] <... set_robust_list resumed>) = 0 [pid 3610] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3612] <... clone3 resumed> => {parent_tid=[3614]}, 88) = 3614 [pid 3610] <... futex resumed>) = 1 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3605, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3613] <... futex resumed>) = 0 [pid 3613] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3610] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3613] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3613] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3614] rt_sigprocmask(SIG_SETMASK, [] [pid 3610] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3616 [pid 3612] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3615 [pid 3610] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3613] <... futex resumed>) = 0 [pid 3612] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3610] <... futex resumed>) = 1 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3613] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3612] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3613] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3612] <... futex resumed>) = 0 [pid 3613] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3612] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] <... futex resumed>) = 0 [pid 3613] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3610] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3610] <... futex resumed>) = 0 [pid 3613] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3610] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3615 attached [pid 3613] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3613] <... futex resumed>) = 0 [pid 3610] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3610] <... futex resumed>) = 0 [pid 3615] set_robust_list(0x5555810c5760, 24 [pid 3613] <... mkdirat resumed>) = 0 [pid 3610] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3610] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3613] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 3610] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3610] <... futex resumed>) = 0 [pid 3613] <... symlinkat resumed>) = 0 [pid 3610] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3610] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3615] <... set_robust_list resumed>) = 0 [pid 3613] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3610] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3610] <... futex resumed>) = 0 [pid 3613] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3615] rt_sigprocmask(SIG_SETMASK, [] [pid 3613] <... unlinkat resumed>) = 0 [pid 3610] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3615] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3613] <... futex resumed>) = 0 [pid 3610] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3613] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3610] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3615] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3613] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3610] <... futex resumed>) = 0 [pid 3613] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3610] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3615] <... prctl resumed>) = 0 [pid 3613] <... unlinkat resumed>) = 0 [pid 3613] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3610] <... futex resumed>) = 0 [pid 3615] setpgid(0, 0 [pid 3613] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3610] exit_group(0 [pid 3615] <... setpgid resumed>) = 0 [pid 3613] <... futex resumed>) = ? [pid 3610] <... exit_group resumed>) = ? [pid 3613] +++ exited with 0 +++ [pid 3614] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3614] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3614] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] +++ exited with 0 +++ [pid 3614] <... futex resumed>) = 1 [pid 3612] <... futex resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3610, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3612] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3614] mount(NULL, "./config", "configfs", 0, NULL [pid 3612] <... futex resumed>) = 0 [pid 3615] <... openat resumed>) = 3 [pid 3614] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3612] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3615] write(3, "1000", 4 [pid 3614] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3612] <... futex resumed>) = 0 [pid 3615] <... write resumed>) = 4 [pid 3612] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3614] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3615] close(3 [pid 3612] <... futex resumed>) = 0 [pid 3615] <... close resumed>) = 0 [pid 3614] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3612] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3615] write(1, "executing program\n", 18 executing program [pid 3614] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3615] <... write resumed>) = 18 [pid 3614] <... futex resumed>) = 1 [pid 3612] <... futex resumed>) = 0 [pid 3614] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3612] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3615] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... futex resumed>) = 0 [pid 3615] <... futex resumed>) = 0 [pid 3614] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3612] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3615] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3614] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3616 attached [pid 3615] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3614] <... futex resumed>) = 1 [pid 3612] <... futex resumed>) = 0 [pid 3616] set_robust_list(0x5555810c5760, 24 [pid 3615] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3614] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3612] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3616] <... set_robust_list resumed>) = 0 [pid 3615] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3612] <... futex resumed>) = 0 [pid 3615] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3612] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3615] <... mmap resumed>) = 0x7f85c0c15000 [pid 3616] rt_sigprocmask(SIG_SETMASK, [] [pid 3615] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3614] <... mkdirat resumed>) = 0 [pid 3616] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3615] <... mprotect resumed>) = 0 [pid 3614] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3615] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3614] <... futex resumed>) = 1 [pid 3612] <... futex resumed>) = 0 [pid 3616] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3615] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3612] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3616] <... prctl resumed>) = 0 [pid 3615] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3616] setpgid(0, 0 [pid 3612] <... futex resumed>) = 0 [pid 3614] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3612] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3616] <... setpgid resumed>) = 0 [pid 3614] <... symlinkat resumed>) = 0 [pid 3615] <... clone3 resumed> => {parent_tid=[3617]}, 88) = 3617 [pid 3616] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3614] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... restart_syscall resumed>) = 0 [pid 3615] rt_sigprocmask(SIG_SETMASK, [] [pid 3614] <... futex resumed>) = 1 [pid 3612] <... futex resumed>) = 0 [pid 3616] <... openat resumed>) = 3 [pid 3615] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3614] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3612] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3616] write(3, "1000", 4 [pid 3615] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3614] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3616] <... write resumed>) = 4 [pid 3615] <... futex resumed>) = 0 [pid 3614] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3612] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3616] close(3 [pid 3615] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3614] <... unlinkat resumed>) = 0 [pid 3612] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3616] <... close resumed>) = 0 [pid 3614] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3616] write(1, "executing program\n", 18 [pid 3614] <... futex resumed>) = 0 [pid 3612] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3614] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3614] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3612] <... futex resumed>) = 0 executing program [pid 3616] <... write resumed>) = 18 [pid 306] <... restart_syscall resumed>) = 0 [pid 3614] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3612] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3618 [pid 3616] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3612] exit_group(0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3614] <... futex resumed>) = ? [pid 3612] <... exit_group resumed>) = ? [pid 3616] <... futex resumed>) = 0 [pid 3614] +++ exited with 0 +++ [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3617 attached [pid 3617] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3617] rt_sigprocmask(SIG_SETMASK, [] [pid 3612] +++ exited with 0 +++ [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3612, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3616] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3617] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3617] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3616] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3619 [pid 3616] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3616] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3617] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3616] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3617] <... futex resumed>) = 1 [pid 3615] <... futex resumed>) = 0 [pid 3616] <... mmap resumed>) = 0x7f85c0c15000 [pid 3615] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3617] mount(NULL, "./config", "configfs", 0, NULL [pid 3616] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3615] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3618 attached [pid 3617] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3616] <... mprotect resumed>) = 0 [pid 3615] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3617] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3616] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3615] <... futex resumed>) = 0 [pid 3617] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3615] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3616] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3615] <... futex resumed>) = 0 [pid 3616] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3615] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3617] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3617] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3616] <... clone3 resumed> => {parent_tid=[3620]}, 88) = 3620 [pid 3617] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3616] rt_sigprocmask(SIG_SETMASK, [] [pid 3617] <... futex resumed>) = 1 [pid 3616] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3615] <... futex resumed>) = 0 [pid 3616] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3615] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3616] <... futex resumed>) = 0 [pid 3615] <... futex resumed>) = 0 [pid 3617] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3615] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3616] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3618] set_robust_list(0x5555810c5760, 24 [pid 3617] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3617] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3615] <... futex resumed>) = 0 [pid 3617] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3615] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3618] <... set_robust_list resumed>) = 0 [pid 3617] <... mkdirat resumed>) = 0 [pid 3615] <... futex resumed>) = 0 [pid 3617] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3615] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3617] <... futex resumed>) = 0 [pid 3615] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3617] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3615] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3618] rt_sigprocmask(SIG_SETMASK, [] [pid 3617] <... symlinkat resumed>) = 0 [pid 3615] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3619 attached [pid 3618] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3617] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3615] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3619] set_robust_list(0x5555810c5760, 24 [pid 3617] <... futex resumed>) = 0 [pid 3615] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3618] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3619] <... set_robust_list resumed>) = 0 [pid 3618] <... prctl resumed>) = 0 [pid 3617] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3615] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3618] setpgid(0, 0 [pid 3615] <... futex resumed>) = 0 [pid 3619] rt_sigprocmask(SIG_SETMASK, [] [pid 3618] <... setpgid resumed>) = 0 [pid 3617] <... unlinkat resumed>) = 0 [pid 3615] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3619] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3617] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3619] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3618] <... openat resumed>) = 3 [pid 3617] <... futex resumed>) = 1 [pid 3615] <... futex resumed>) = 0 [pid 3619] <... prctl resumed>) = 0 [pid 3618] write(3, "1000", 4 [pid 3617] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3615] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3619] setpgid(0, 0 [pid 3618] <... write resumed>) = 4 [pid 3617] <... unlinkat resumed>) = 0 [pid 3615] <... futex resumed>) = 0 [pid 3619] <... setpgid resumed>) = 0 [pid 3617] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3615] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3618] close(3 [pid 3617] <... futex resumed>) = 0 [pid 3615] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3619] <... openat resumed>) = 3 [pid 3617] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3619] write(3, "1000", 4 [pid 3618] <... close resumed>) = 0 [pid 3615] exit_group(0 [pid 3619] <... write resumed>) = 4 [pid 3618] write(1, "executing program\n", 18 [pid 3617] <... futex resumed>) = ? executing program [pid 3615] <... exit_group resumed>) = ? [pid 3619] close(3 [pid 3618] <... write resumed>) = 18 [pid 3617] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 3620 attached [pid 3619] <... close resumed>) = 0 [pid 3620] set_robust_list(0x7f85c0c359a0, 24 [pid 3619] write(1, "executing program\n", 18 [pid 3620] <... set_robust_list resumed>) = 0 [pid 3619] <... write resumed>) = 18 [pid 3620] rt_sigprocmask(SIG_SETMASK, [] [pid 3619] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3615] +++ exited with 0 +++ [pid 3620] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3619] <... futex resumed>) = 0 [pid 3618] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3615, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 3620] mkdirat(AT_FDCWD, "./config", 0777 [pid 3619] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3618] <... futex resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3620] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3619] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3618] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 305] <... restart_syscall resumed>) = 0 [pid 3620] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3619] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3618] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3620] <... futex resumed>) = 1 [pid 3619] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3618] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3616] <... futex resumed>) = 0 [pid 3620] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3619] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3618] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3616] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3620] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3619] <... mmap resumed>) = 0x7f85c0c15000 [pid 3618] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3616] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3620] mount(NULL, "./config", "configfs", 0, NULL [pid 3619] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3618] <... mmap resumed>) = 0x7f85c0c15000 [pid 3616] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3620] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3619] <... mprotect resumed>) = 0 [pid 3618] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITEci2-android-5-15/strace-static-x86_64: Process 3621 attached [pid 3620] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3619] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3621 [pid 304] <... restart_syscall resumed>) = 0 [pid 3620] <... futex resumed>) = 1 [pid 3619] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3618] <... mprotect resumed>) = 0 [pid 3616] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3620] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3619] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3618] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3616] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3620] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3618] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3616] <... futex resumed>) = 0 [pid 3620] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3619] <... clone3 resumed> => {parent_tid=[3622]}, 88) = 3622 [pid 3618] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3616] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3620] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3619] rt_sigprocmask(SIG_SETMASK, [] [pid 3620] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3619] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3618] <... clone3 resumed> => {parent_tid=[3623]}, 88) = 3623 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3620] <... futex resumed>) = 1 [pid 3619] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3618] rt_sigprocmask(SIG_SETMASK, [] [pid 3616] <... futex resumed>) = 0 [pid 3620] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3619] <... futex resumed>) = 0 [pid 3618] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3616] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3620] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3619] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3618] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3616] <... futex resumed>) = 0 [pid 3620] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3618] <... futex resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3616] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3620] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3618] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3623 attached [pid 3623] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3623] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3623] mkdirat(AT_FDCWD, "./config", 0777 [pid 3620] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3623] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3620] <... futex resumed>) = 1 [pid 3616] <... futex resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3624 [pid 3620] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3616] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3620] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3616] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3620] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3616] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3623] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3623] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3620] <... mkdirat resumed>) = 0 [pid 3618] <... futex resumed>) = 0 [pid 3620] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3618] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3620] <... futex resumed>) = 1 [pid 3616] <... futex resumed>) = 0 [pid 3618] <... futex resumed>) = 0 [pid 3620] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3618] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3616] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3620] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3616] <... futex resumed>) = 0 [pid 3620] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3616] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3620] <... symlinkat resumed>) = 0 [pid 3623] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3620] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3623] mount(NULL, "./config", "configfs", 0, NULL [pid 3620] <... futex resumed>) = 1 [pid 3616] <... futex resumed>) = 0 [pid 3620] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3616] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3620] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3616] <... futex resumed>) = 0 [pid 3620] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3616] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3623] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3620] <... unlinkat resumed>) = 0 [pid 3623] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3620] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3623] <... futex resumed>) = 1 [pid 3620] <... futex resumed>) = 1 [pid 3618] <... futex resumed>) = 0 [pid 3616] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3624 attached [pid 3621] set_robust_list(0x5555810c5760, 24 [pid 3620] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3623] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 3622 attached [pid 3622] set_robust_list(0x7f85c0c359a0, 24 [pid 3618] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3616] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3622] <... set_robust_list resumed>) = 0 [pid 3622] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3622] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3622] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3620] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3618] <... futex resumed>) = 1 [pid 3620] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3616] <... futex resumed>) = 0 [pid 3618] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3623] <... futex resumed>) = 0 [pid 3623] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3620] <... unlinkat resumed>) = 0 [pid 3616] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3620] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3620] <... futex resumed>) = 0 [pid 3623] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3622] <... futex resumed>) = 1 [pid 3620] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3619] <... futex resumed>) = 0 [pid 3616] exit_group(0 [pid 3624] set_robust_list(0x5555810c5760, 24 [pid 3623] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3622] mount(NULL, "./config", "configfs", 0, NULL [pid 3621] <... set_robust_list resumed>) = 0 [pid 3620] <... futex resumed>) = ? [pid 3619] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3616] <... exit_group resumed>) = ? [pid 3623] <... futex resumed>) = 1 [pid 3622] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3620] +++ exited with 0 +++ [pid 3619] <... futex resumed>) = 0 [pid 3618] <... futex resumed>) = 0 [pid 3623] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3622] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3619] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3622] <... futex resumed>) = 0 [pid 3619] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3622] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3619] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3622] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3619] <... futex resumed>) = 0 [pid 3622] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3619] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3616] +++ exited with 0 +++ [pid 3622] <... futex resumed>) = 0 [pid 3619] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3618] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3622] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3619] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3618] <... futex resumed>) = 1 [pid 3623] <... futex resumed>) = 0 [pid 3622] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3619] <... futex resumed>) = 0 [pid 3618] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3616, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3623] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3622] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3621] rt_sigprocmask(SIG_SETMASK, [] [pid 3619] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3623] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3622] <... futex resumed>) = 0 [pid 3619] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3623] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3622] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3621] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3619] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3623] <... futex resumed>) = 1 [pid 3622] <... mkdirat resumed>) = 0 [pid 3621] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3624] <... set_robust_list resumed>) = 0 [pid 3619] <... futex resumed>) = 0 [pid 3618] <... futex resumed>) = 0 [pid 3623] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3622] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3619] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3618] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3621] <... prctl resumed>) = 0 [pid 3623] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3622] <... futex resumed>) = 0 [pid 3619] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3618] <... futex resumed>) = 0 [pid 3623] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3622] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3619] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3618] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3624] rt_sigprocmask(SIG_SETMASK, [] [pid 3623] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3622] <... symlinkat resumed>) = 0 [pid 3621] setpgid(0, 0 [pid 3619] <... futex resumed>) = 0 [pid 3623] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3622] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3619] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3623] <... futex resumed>) = 1 [pid 3622] <... futex resumed>) = 0 [pid 3621] <... setpgid resumed>) = 0 [pid 3619] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3618] <... futex resumed>) = 0 [pid 3623] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3622] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3619] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3618] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... restart_syscall resumed>) = 0 [pid 3624] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3623] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3622] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3619] <... futex resumed>) = 0 [pid 3618] <... futex resumed>) = 0 [pid 3623] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3622] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3621] <... openat resumed>) = 3 [pid 3619] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3618] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3624] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3622] <... unlinkat resumed>) = 0 [pid 3621] write(3, "1000", 4 [pid 3624] <... prctl resumed>) = 0 [pid 3623] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3622] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3621] <... write resumed>) = 4 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3624] setpgid(0, 0 [pid 3623] <... futex resumed>) = 1 [pid 3622] <... futex resumed>) = 1 [pid 3621] close(3 [pid 3619] <... futex resumed>) = 0 [pid 3618] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3624] <... setpgid resumed>) = 0 [pid 3623] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3622] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3621] <... close resumed>) = 0 [pid 3619] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3618] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3623] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3622] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3621] write(1, "executing program\n", 18 [pid 3619] <... futex resumed>) = 0 [pid 3618] <... futex resumed>) = 0 [pid 3623] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 executing program [pid 3622] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3619] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3624] <... openat resumed>) = 3 [pid 3623] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3622] <... unlinkat resumed>) = 0 [pid 3621] <... write resumed>) = 18 [pid 3618] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3624] write(3, "1000", 4 [pid 3623] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3622] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3621] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3618] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3625 [pid 3624] <... write resumed>) = 4 [pid 3623] <... futex resumed>) = 0 [pid 3622] <... futex resumed>) = 1 [pid 3621] <... futex resumed>) = 0 [pid 3619] <... futex resumed>) = 0 [pid 3618] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3624] close(3 [pid 3623] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3622] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3621] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3619] exit_group(0 [pid 3618] <... futex resumed>) = 0 [pid 3624] <... close resumed>) = 0 [pid 3623] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3622] <... futex resumed>) = ? [pid 3621] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3619] <... exit_group resumed>) = ? [pid 3618] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3624] write(1, "executing program\n", 18 [pid 3623] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3622] +++ exited with 0 +++ [pid 3621] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3619] +++ exited with 0 +++ [pid 3618] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 3624] <... write resumed>) = 18 [pid 3623] <... futex resumed>) = 0 [pid 3621] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3618] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 3625 attached [pid 3624] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3623] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3621] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3619, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3624] <... futex resumed>) = 0 [pid 3623] +++ exited with 0 +++ [pid 3621] <... mmap resumed>) = 0x7f85c0c15000 [pid 3618] <... exit_group resumed>) = ? [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3624] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3621] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3625] set_robust_list(0x5555810c5760, 24) = 0 [pid 3625] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3625] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3618] +++ exited with 0 +++ [pid 3625] <... prctl resumed>) = 0 [pid 3621] <... mprotect resumed>) = 0 [pid 3624] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3618, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3621] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3624] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3621] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3624] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3621] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3624] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3625] setpgid(0, 0 [pid 3624] <... mmap resumed>) = 0x7f85c0c15000 [pid 3621] <... clone3 resumed> => {parent_tid=[3626]}, 88) = 3626 [pid 3624] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3621] rt_sigprocmask(SIG_SETMASK, [] [pid 3625] <... setpgid resumed>) = 0 [pid 3625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3625] write(3, "1000", 4 [pid 3624] <... mprotect resumed>) = 0 [pid 3621] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3625] <... write resumed>) = 4 [pid 3621] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3624] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3621] <... futex resumed>) = 0 [pid 3624] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3621] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3625] close(3) = 0 [pid 3624] <... clone3 resumed> => {parent_tid=[3627]}, 88) = 3627 [pid 3625] write(1, "executing program\n", 18 [pid 3624] rt_sigprocmask(SIG_SETMASK, [] [pid 3625] <... write resumed>) = 18 [pid 3624] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 3625] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3624] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3625] <... futex resumed>) = 0 [pid 3624] <... futex resumed>) = 0 [pid 3625] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3624] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3625] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3625] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3625] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3625] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 ci2-android-5-15/strace-static-x86_64: Process 3627 attached [pid 3625] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3627] set_robust_list(0x7f85c0c359a0, 24 [pid 3625] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3625] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[3628]}, 88) = 3628 [pid 3627] <... set_robust_list resumed>) = 0 [pid 3625] rt_sigprocmask(SIG_SETMASK, [] [pid 3627] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 3626 attached [pid 3626] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3626] rt_sigprocmask(SIG_SETMASK, [] [pid 3627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3625] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3626] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3626] mkdirat(AT_FDCWD, "./config", 0777 [pid 3627] mkdirat(AT_FDCWD, "./config", 0777 [pid 3626] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3625] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3626] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3621] <... futex resumed>) = 0 [pid 3621] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3625] <... futex resumed>) = 0 [pid 3621] <... futex resumed>) = 0 [pid 3621] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3625] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3626] mount(NULL, "./config", "configfs", 0, NULL [pid 3627] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3626] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3626] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3621] <... futex resumed>) = 0 [pid 3626] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 311] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 3621] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3626] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3626] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3621] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3626] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3626] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3626] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 3628 attached [pid 3628] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3621] <... futex resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3629 [pid 3621] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3628] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3628] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3621] <... futex resumed>) = 1 [pid 3625] <... futex resumed>) = 0 [pid 3621] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3630 [pid 3625] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3625] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3625] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3626] <... futex resumed>) = 0 [pid 3626] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3626] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3621] <... futex resumed>) = 0 [pid 3626] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3621] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3630 attached [pid 3627] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3626] <... mkdirat resumed>) = 0 [pid 3621] <... futex resumed>) = 0 [pid 3626] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3621] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3626] <... futex resumed>) = 0 [pid 3621] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3626] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3621] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3630] set_robust_list(0x5555810c5760, 24 [pid 3627] <... futex resumed>) = 1 [pid 3624] <... futex resumed>) = 0 [pid 3621] <... futex resumed>) = 0 [pid 3627] mount(NULL, "./config", "configfs", 0, NULL [pid 3624] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3621] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3624] <... futex resumed>) = 0 [pid 3624] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3627] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3627] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3628] mount(NULL, "./config", "configfs", 0, NULL [pid 3627] <... futex resumed>) = 1 [pid 3624] <... futex resumed>) = 0 [pid 3628] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3627] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3624] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3628] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3624] <... futex resumed>) = 0 [pid 3627] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3624] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3627] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3625] <... futex resumed>) = 0 [pid 3628] <... futex resumed>) = 1 [pid 3625] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3628] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3625] <... futex resumed>) = 0 [pid 3628] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3625] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3628] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3625] <... futex resumed>) = 0 [pid 3628] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3625] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3628] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3625] <... futex resumed>) = 0 [pid 3628] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3627] <... futex resumed>) = 1 [pid 3625] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3624] <... futex resumed>) = 0 [pid 3628] <... futex resumed>) = 0 [pid 3626] <... symlinkat resumed>) = 0 [pid 3625] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3624] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3627] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3630] <... set_robust_list resumed>) = 0 [pid 3628] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3626] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3625] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3624] <... futex resumed>) = 0 [pid 3628] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3625] <... futex resumed>) = 0 [pid 3624] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3628] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3627] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3626] <... futex resumed>) = 1 [pid 3625] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3621] <... futex resumed>) = 0 [pid 3628] <... futex resumed>) = 0 [pid 3625] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3621] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3628] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3627] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3626] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3625] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3621] <... futex resumed>) = 0 [pid 3628] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3625] <... futex resumed>) = 0 [pid 3621] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3628] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3627] <... futex resumed>) = 1 [pid 3626] <... unlinkat resumed>) = 0 [pid 3625] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3624] <... futex resumed>) = 0 [pid 3630] rt_sigprocmask(SIG_SETMASK, [] [pid 3628] <... futex resumed>) = 0 [pid 3627] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3625] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3626] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3624] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3629 attached [pid 3630] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3628] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3627] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3625] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3624] <... futex resumed>) = 0 [pid 3626] <... futex resumed>) = 1 [pid 3621] <... futex resumed>) = 0 [pid 3630] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3629] set_robust_list(0x5555810c5760, 24 [pid 3628] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3627] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3626] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3625] <... futex resumed>) = 0 [pid 3624] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3621] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3630] <... prctl resumed>) = 0 [pid 3629] <... set_robust_list resumed>) = 0 [pid 3628] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3627] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3626] <... unlinkat resumed>) = 0 [pid 3625] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3621] <... futex resumed>) = 0 [pid 3630] setpgid(0, 0 [pid 3629] rt_sigprocmask(SIG_SETMASK, [] [pid 3628] <... futex resumed>) = 0 [pid 3627] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3626] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3625] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3621] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3630] <... setpgid resumed>) = 0 [pid 3629] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3628] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3627] <... futex resumed>) = 1 [pid 3626] <... futex resumed>) = 0 [pid 3625] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3624] <... futex resumed>) = 0 [pid 3621] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3629] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3628] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3627] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3626] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3625] <... futex resumed>) = 0 [pid 3624] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3621] exit_group(0 [pid 3630] <... openat resumed>) = 3 [pid 3629] <... prctl resumed>) = 0 [pid 3628] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3627] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3626] <... futex resumed>) = ? [pid 3625] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3624] <... futex resumed>) = 0 [pid 3621] <... exit_group resumed>) = ? [pid 3630] write(3, "1000", 4 [pid 3629] setpgid(0, 0 [pid 3628] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3627] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3626] +++ exited with 0 +++ [pid 3624] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3629] <... setpgid resumed>) = 0 [pid 3628] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3628] <... futex resumed>) = 1 [pid 3625] <... futex resumed>) = 0 [pid 3621] +++ exited with 0 +++ [pid 3630] <... write resumed>) = 4 [pid 3629] <... openat resumed>) = 3 [pid 3628] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3627] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3625] exit_group(0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3621, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 3630] close(3 [pid 3629] write(3, "1000", 4 [pid 3628] <... futex resumed>) = ? [pid 3627] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3625] <... exit_group resumed>) = ? [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3630] <... close resumed>) = 0 [pid 3629] <... write resumed>) = 4 [pid 3628] +++ exited with 0 +++ [pid 3627] <... futex resumed>) = 1 [pid 3624] <... futex resumed>) = 0 [pid 3630] write(1, "executing program\n", 18 executing program [pid 3629] close(3 [pid 3627] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3625] +++ exited with 0 +++ [pid 3624] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3630] <... write resumed>) = 18 [pid 3629] <... close resumed>) = 0 [pid 3627] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3624] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3625, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3630] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3629] write(1, "executing program\n", 18 [pid 3627] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3624] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} executing program [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3630] <... futex resumed>) = 0 [pid 3629] <... write resumed>) = 18 [pid 3627] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3630] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3629] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3627] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3630] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3627] <... futex resumed>) = 1 [pid 3624] <... futex resumed>) = 0 [pid 3630] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3627] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3629] <... futex resumed>) = 0 [pid 3624] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3630] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3629] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3627] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3624] <... futex resumed>) = 0 [pid 3630] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3629] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3627] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3624] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... restart_syscall resumed>) = 0 [pid 3630] <... mmap resumed>) = 0x7f85c0c15000 [pid 3629] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3627] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3630] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3629] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3627] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3630] <... mprotect resumed>) = 0 [pid 3627] <... futex resumed>) = 1 [pid 3624] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3630] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3629] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3627] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3624] exit_group(0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3630] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3629] <... mmap resumed>) = 0x7f85c0c15000 [pid 3627] <... futex resumed>) = ? [pid 3624] <... exit_group resumed>) = ? [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 3631 attached [pid 3630] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3629] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3627] +++ exited with 0 +++ [pid 3624] +++ exited with 0 +++ [pid 3629] <... mprotect resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3631 [pid 3630] <... clone3 resumed> => {parent_tid=[3632]}, 88) = 3632 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3630] rt_sigprocmask(SIG_SETMASK, [] [pid 3629] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3624, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3630] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3629] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3630] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3630] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3629] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 3632 attached [pid 3632] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3632] rt_sigprocmask(SIG_SETMASK, [] [pid 3629] <... clone3 resumed> => {parent_tid=[3633]}, 88) = 3633 [pid 3632] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3629] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3629] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3632] mkdirat(AT_FDCWD, "./config", 0777 [pid 3629] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3632] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3632] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3630] <... futex resumed>) = 0 [pid 3630] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3630] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3632] <... futex resumed>) = 1 [pid 3632] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3631] set_robust_list(0x5555810c5760, 24ci2-android-5-15/strace-static-x86_64: Process 3633 attached [pid 3633] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3633] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3633] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3632] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3631] <... set_robust_list resumed>) = 0 [pid 3633] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3632] <... futex resumed>) = 1 [pid 3630] <... futex resumed>) = 0 [pid 3630] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3630] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3629] <... futex resumed>) = 0 [pid 3629] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3629] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3632] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3633] <... futex resumed>) = 1 [pid 3631] rt_sigprocmask(SIG_SETMASK, [] [pid 3633] mount(NULL, "./config", "configfs", 0, NULL [pid 3632] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3631] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3633] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3632] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3631] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 305] <... restart_syscall resumed>) = 0 [pid 3633] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3632] <... futex resumed>) = 1 [pid 3631] <... prctl resumed>) = 0 [pid 3630] <... futex resumed>) = 0 [pid 3630] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3632] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3630] <... futex resumed>) = 0 [pid 3629] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3630] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3629] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3629] <... futex resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 3634 attached [pid 3633] <... futex resumed>) = 1 [pid 3632] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3631] setpgid(0, 0 [pid 3629] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3634 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3634] set_robust_list(0x5555810c5760, 24 [pid 3633] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3632] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3631] <... setpgid resumed>) = 0 [pid 3632] <... futex resumed>) = 1 [pid 3630] <... futex resumed>) = 0 [pid 3633] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3630] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3630] <... futex resumed>) = 0 [pid 3630] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3632] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3633] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3631] <... openat resumed>) = 3 [pid 3632] <... mkdirat resumed>) = 0 [pid 3633] <... futex resumed>) = 1 [pid 3634] <... set_robust_list resumed>) = 0 [pid 3631] write(3, "1000", 4 [pid 3629] <... futex resumed>) = 0 [pid 3633] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3632] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3631] <... write resumed>) = 4 [pid 3629] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3633] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 304] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3633] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3632] <... futex resumed>) = 1 [pid 3630] <... futex resumed>) = 0 [pid 3629] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3633] <... futex resumed>) = 0 [pid 3630] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3629] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 3635 attached [pid 3634] rt_sigprocmask(SIG_SETMASK, [] [pid 3633] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3632] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3631] close(3 [pid 3630] <... futex resumed>) = 0 [pid 3629] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3630] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3635 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3633] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3632] <... symlinkat resumed>) = 0 [pid 3631] <... close resumed>) = 0 [pid 3633] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3629] <... futex resumed>) = 0 [pid 3632] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3629] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3631] write(1, "executing program\n", 18 [pid 3629] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3633] <... futex resumed>) = 0 [pid 3632] <... futex resumed>) = 1 [pid 3630] <... futex resumed>) = 0 [pid 3630] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3630] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} executing program [pid 3633] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3629] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3632] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3631] <... write resumed>) = 18 [pid 3633] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3629] <... futex resumed>) = 0 [pid 3631] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3633] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3632] <... unlinkat resumed>) = 0 [pid 3629] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3633] <... futex resumed>) = 0 [pid 3631] <... futex resumed>) = 0 [pid 3633] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3631] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3629] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3632] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3634] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3633] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3631] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3629] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3632] <... futex resumed>) = 1 [pid 3630] <... futex resumed>) = 0 [pid 3630] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3630] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3633] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3631] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3629] <... futex resumed>) = 0 [pid 3632] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3634] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3633] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3631] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3629] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3632] <... unlinkat resumed>) = 0 [pid 3631] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3633] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3631] <... mmap resumed>) = 0x7f85c0c15000 [pid 3633] <... futex resumed>) = 1 [pid 3632] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3629] <... futex resumed>) = 0 [pid 3633] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3631] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3629] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3635] set_robust_list(0x5555810c5760, 24 [pid 3634] <... prctl resumed>) = 0 [pid 3632] <... futex resumed>) = 1 [pid 3630] <... futex resumed>) = 0 [pid 3630] exit_group(0) = ? [pid 3633] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3629] <... futex resumed>) = 0 [pid 3631] <... mprotect resumed>) = 0 [pid 3629] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3634] setpgid(0, 0 [pid 3633] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3634] <... setpgid resumed>) = 0 [pid 3631] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3629] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3633] <... futex resumed>) = 0 [pid 3631] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3629] exit_group(0 [pid 3632] +++ exited with 0 +++ [pid 3630] +++ exited with 0 +++ [pid 3631] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3629] <... exit_group resumed>) = ? [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3630, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3633] +++ exited with 0 +++ [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3629] +++ exited with 0 +++ [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3629, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 3636 attached [pid 3636] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3634] <... openat resumed>) = 3 [pid 3631] <... clone3 resumed> => {parent_tid=[3636]}, 88) = 3636 [pid 3636] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3636] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3634] write(3, "1000", 4 [pid 3635] <... set_robust_list resumed>) = 0 [pid 3631] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3634] <... write resumed>) = 4 [pid 3631] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3634] close(3 [pid 3631] <... futex resumed>) = 1 [pid 3636] <... futex resumed>) = 0 [pid 3636] mkdirat(AT_FDCWD, "./config", 0777 [pid 3634] <... close resumed>) = 0 [pid 3631] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3636] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3634] write(1, "executing program\n", 18 [pid 3636] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3631] <... futex resumed>) = 0 [pid 3631] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3631] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3636] <... futex resumed>) = 1 [pid 3636] mount(NULL, "./config", "configfs", 0, NULL [pid 3634] <... write resumed>) = 18 [pid 3636] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 311] <... restart_syscall resumed>) = 0 executing program [pid 3634] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... restart_syscall resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3634] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3635] rt_sigprocmask(SIG_SETMASK, [] [pid 3634] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 3637 attached ci2-android-5-15/strace-static-x86_64: Process 3638 attached [pid 3635] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3634] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3637 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3638 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3635] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3634] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3636] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3631] <... futex resumed>) = 0 [pid 3631] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3636] <... futex resumed>) = 1 [pid 3631] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3636] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3636] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3631] <... futex resumed>) = 0 [pid 3636] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3631] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3636] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3631] <... futex resumed>) = 0 [pid 3636] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3631] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3636] <... futex resumed>) = 0 [pid 3631] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3636] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3631] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3636] <... mkdirat resumed>) = 0 [pid 3635] <... prctl resumed>) = 0 [pid 3634] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3631] <... futex resumed>) = 0 [pid 3637] set_robust_list(0x5555810c5760, 24 [pid 3636] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3631] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3636] <... futex resumed>) = 0 [pid 3631] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3636] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3631] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3636] <... symlinkat resumed>) = 0 [pid 3631] <... futex resumed>) = 0 [pid 3636] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3635] setpgid(0, 0 [pid 3634] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3631] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3636] <... futex resumed>) = 0 [pid 3631] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3636] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3631] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3636] <... unlinkat resumed>) = 0 [pid 3631] <... futex resumed>) = 0 [pid 3636] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3631] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3636] <... futex resumed>) = 0 [pid 3631] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3636] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3631] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3636] <... unlinkat resumed>) = 0 [pid 3631] <... futex resumed>) = 0 [pid 3636] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3631] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3636] <... futex resumed>) = 0 [pid 3631] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3636] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3631] exit_group(0 [pid 3636] <... futex resumed>) = ? [pid 3631] <... exit_group resumed>) = ? [pid 3638] set_robust_list(0x5555810c5760, 24 [pid 3637] <... set_robust_list resumed>) = 0 [pid 3636] +++ exited with 0 +++ [pid 3635] <... setpgid resumed>) = 0 [pid 3634] <... mmap resumed>) = 0x7f85c0c15000 [pid 3631] +++ exited with 0 +++ [pid 3635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3634] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3635] <... openat resumed>) = 3 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3631, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3634] <... mprotect resumed>) = 0 [pid 3635] write(3, "1000", 4 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3634] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3635] <... write resumed>) = 4 [pid 3635] close(3 [pid 3634] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3635] <... close resumed>) = 0 [pid 3634] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3635] write(1, "executing program\n", 18ci2-android-5-15/strace-static-x86_64: Process 3639 attached ) = 18 executing program [pid 3639] set_robust_list(0x7f85c0c359a0, 24 [pid 3635] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3634] <... clone3 resumed> => {parent_tid=[3639]}, 88) = 3639 [pid 3635] <... futex resumed>) = 0 [pid 3634] rt_sigprocmask(SIG_SETMASK, [] [pid 3635] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3634] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3637] rt_sigprocmask(SIG_SETMASK, [] [pid 3635] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3634] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3637] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3635] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3634] <... futex resumed>) = 0 [pid 3635] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3634] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3635] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3637] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3639] <... set_robust_list resumed>) = 0 [pid 3637] <... prctl resumed>) = 0 [pid 3635] <... mmap resumed>) = 0x7f85c0c15000 [pid 3639] rt_sigprocmask(SIG_SETMASK, [] [pid 3637] setpgid(0, 0 [pid 3635] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3639] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3635] <... mprotect resumed>) = 0 [pid 3637] <... setpgid resumed>) = 0 [pid 3639] mkdirat(AT_FDCWD, "./config", 0777 [pid 3635] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3635] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3639] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3635] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3639] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3634] <... futex resumed>) = 0 [pid 3634] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3637] <... openat resumed>) = 3 [pid 3634] <... futex resumed>) = 0 [pid 3637] write(3, "1000", 4 [pid 3635] <... clone3 resumed> => {parent_tid=[3640]}, 88) = 3640 [pid 3634] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3637] <... write resumed>) = 4 [pid 3635] rt_sigprocmask(SIG_SETMASK, [] [pid 3639] <... futex resumed>) = 1 [pid 3639] mount(NULL, "./config", "configfs", 0, NULL [pid 3635] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3637] close(3 [pid 3635] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3639] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3637] <... close resumed>) = 0 [pid 3635] <... futex resumed>) = 0 [pid 3639] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3634] <... futex resumed>) = 0 [pid 3634] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3635] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3637] write(1, "executing program\n", 18 [pid 3634] <... futex resumed>) = 0 executing program [pid 3634] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3639] <... futex resumed>) = 1 [pid 3637] <... write resumed>) = 18 [pid 3639] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3639] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3634] <... futex resumed>) = 0 [pid 3634] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3639] <... futex resumed>) = 1 [pid 3634] <... futex resumed>) = 0 [pid 3639] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3634] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3639] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3639] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3634] <... futex resumed>) = 0 [pid 3639] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3634] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3639] <... mkdirat resumed>) = 0 [pid 3634] <... futex resumed>) = 0 [pid 3639] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3637] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3634] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3639] <... futex resumed>) = 0 [pid 3634] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3639] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3634] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3639] <... symlinkat resumed>) = 0 [pid 3634] <... futex resumed>) = 0 [pid 3639] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3634] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3639] <... futex resumed>) = 0 [pid 3634] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3639] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3634] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3639] <... unlinkat resumed>) = 0 [pid 3637] <... futex resumed>) = 0 [pid 3634] <... futex resumed>) = 0 [pid 3639] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3637] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3634] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3639] <... futex resumed>) = 0 [pid 3637] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3634] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3639] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3637] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3634] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3639] <... unlinkat resumed>) = 0 [pid 3637] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3634] <... futex resumed>) = 0 [pid 3639] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3637] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3634] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3639] <... futex resumed>) = 0 [pid 3637] <... mmap resumed>) = 0x7f85c0c15000 [pid 3634] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3639] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3634] exit_group(0 [pid 3637] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3639] <... futex resumed>) = ? [pid 3638] <... set_robust_list resumed>) = 0 [pid 3634] <... exit_group resumed>) = ? [pid 3639] +++ exited with 0 +++ [pid 3638] rt_sigprocmask(SIG_SETMASK, [] [pid 3637] <... mprotect resumed>) = 0 [pid 3634] +++ exited with 0 +++ [pid 3638] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3637] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3634, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3637] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3638] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3637] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0}ci2-android-5-15/strace-static-x86_64: Process 3640 attached [pid 3640] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3638] <... prctl resumed>) = 0 [pid 3640] rt_sigprocmask(SIG_SETMASK, [] [pid 3638] setpgid(0, 0 [pid 3637] <... clone3 resumed> => {parent_tid=[3641]}, 88) = 3641 [pid 3640] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3638] <... setpgid resumed>) = 0 [pid 3637] rt_sigprocmask(SIG_SETMASK, [] [pid 3640] mkdirat(AT_FDCWD, "./config", 0777 [pid 3637] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3640] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3637] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3640] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3637] <... futex resumed>) = 0 [pid 3640] <... futex resumed>) = 1 [pid 3637] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3635] <... futex resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 3638] <... openat resumed>) = 3 [pid 3635] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3640] mount(NULL, "./config", "configfs", 0, NULL [pid 3638] write(3, "1000", 4 [pid 3635] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3640] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3638] <... write resumed>) = 4 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3640] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3638] close(3 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3640] <... futex resumed>) = 1 [pid 3640] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 3641 attached [pid 3641] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3641] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3641] mkdirat(AT_FDCWD, "./config", 0777 [pid 3635] <... futex resumed>) = 0 [pid 3638] <... close resumed>) = 0 [pid 3635] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3642 [pid 3638] write(1, "executing program\n", 18 [pid 3635] <... futex resumed>) = 1 [pid 3638] <... write resumed>) = 18 [pid 3635] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3638] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 3640] <... futex resumed>) = 0 [pid 3640] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3638] <... futex resumed>) = 0 [pid 3640] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3640] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3635] <... futex resumed>) = 0 [pid 3638] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3635] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3640] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3638] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3635] <... futex resumed>) = 0 [pid 3640] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3638] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3635] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3640] <... futex resumed>) = 0 [pid 3640] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3638] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3635] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3641] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3638] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3635] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3641] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3640] <... futex resumed>) = 0 [pid 3635] <... futex resumed>) = 1 [pid 3638] <... mmap resumed>) = 0x7f85c0c15000 [pid 3640] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3635] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3640] <... mkdirat resumed>) = 0 [pid 3640] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3638] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3640] <... futex resumed>) = 1 [pid 3635] <... futex resumed>) = 0 [pid 3640] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 3635] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3640] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3638] <... mprotect resumed>) = 0 [pid 3635] <... futex resumed>) = 0 [pid 3641] <... futex resumed>) = 1 [pid 3640] <... symlinkat resumed>) = 0 [pid 3637] <... futex resumed>) = 0 [pid 3641] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3640] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3638] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3637] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3635] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3641] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3640] <... futex resumed>) = 0 [pid 3638] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3637] <... futex resumed>) = 0 [pid 3635] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3641] mount(NULL, "./config", "configfs", 0, NULL [pid 3640] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3638] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3637] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3635] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3641] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3640] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3635] <... futex resumed>) = 0 [pid 3641] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3640] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3635] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3641] <... futex resumed>) = 1 [pid 3640] <... unlinkat resumed>) = 0 [pid 3638] <... clone3 resumed> => {parent_tid=[3643]}, 88) = 3643 [pid 3637] <... futex resumed>) = 0 [pid 3641] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3640] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3637] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3641] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3640] <... futex resumed>) = 1 [pid 3638] rt_sigprocmask(SIG_SETMASK, [] [pid 3637] <... futex resumed>) = 0 [pid 3635] <... futex resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 3641] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3640] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3638] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3637] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3635] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3641] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3640] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3638] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3635] <... futex resumed>) = 0 [pid 3641] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3640] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3638] <... futex resumed>) = 0 [pid 3635] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3641] <... futex resumed>) = 1 [pid 3640] <... unlinkat resumed>) = 0 [pid 3638] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3637] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3641] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3640] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3637] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3641] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3640] <... futex resumed>) = 1 [pid 3635] <... futex resumed>) = 0 [pid 3641] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3640] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3637] <... futex resumed>) = 0 [pid 3635] exit_group(0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3641] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3640] <... futex resumed>) = ? [pid 3637] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3635] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 3643 attached ci2-android-5-15/strace-static-x86_64: Process 3642 attached [pid 3641] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3640] +++ exited with 0 +++ [pid 3637] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3635] +++ exited with 0 +++ [pid 3642] set_robust_list(0x5555810c5760, 24 [pid 3641] <... futex resumed>) = 0 [pid 3637] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3635, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3642] <... set_robust_list resumed>) = 0 [pid 3641] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3637] <... futex resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3644 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 3644 attached [pid 3643] set_robust_list(0x7f85c0c359a0, 24 [pid 3642] rt_sigprocmask(SIG_SETMASK, [] [pid 3641] <... mkdirat resumed>) = 0 [pid 3637] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3642] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3641] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3642] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3641] <... futex resumed>) = 0 [pid 3637] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3642] <... prctl resumed>) = 0 [pid 3641] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3637] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3642] setpgid(0, 0 [pid 3641] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3637] <... futex resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 3642] <... setpgid resumed>) = 0 [pid 3641] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3637] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3643] <... set_robust_list resumed>) = 0 [pid 3642] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3641] <... symlinkat resumed>) = 0 [pid 3643] rt_sigprocmask(SIG_SETMASK, [] [pid 3642] <... openat resumed>) = 3 [pid 3641] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3642] write(3, "1000", 4 [pid 3641] <... futex resumed>) = 1 [pid 3637] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3642] <... write resumed>) = 4 [pid 3641] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3637] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3642] close(3 [pid 3641] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3637] <... futex resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3642] <... close resumed>) = 0 [pid 3641] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3637] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3642] write(1, "executing program\n", 18 [pid 3641] <... unlinkat resumed>) = 0 [pid 3642] <... write resumed>) = 18 [pid 3641] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3644] set_robust_list(0x5555810c5760, 24 [pid 3642] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3641] <... futex resumed>) = 0 [pid 3637] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3644] <... set_robust_list resumed>) = 0 [pid 3642] <... futex resumed>) = 0 [pid 3641] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3637] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3645 executing program [pid 3644] rt_sigprocmask(SIG_SETMASK, [] [pid 3642] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3641] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3637] <... futex resumed>) = 0 [pid 3644] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3642] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3641] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3637] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 3645 attached [pid 3644] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3643] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3642] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3641] <... unlinkat resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3644] <... prctl resumed>) = 0 [pid 3642] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3641] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3644] setpgid(0, 0 [pid 3642] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3641] <... futex resumed>) = 1 [pid 3637] <... futex resumed>) = 0 [pid 3644] <... setpgid resumed>) = 0 [pid 3643] mkdirat(AT_FDCWD, "./config", 0777 [pid 3642] <... mmap resumed>) = 0x7f85c0c15000 [pid 3641] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3637] exit_group(0 [pid 3644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3643] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3642] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3644] <... openat resumed>) = 3 [pid 3643] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3642] <... mprotect resumed>) = 0 [pid 3641] <... futex resumed>) = ? [pid 3637] <... exit_group resumed>) = ? [pid 3644] write(3, "1000", 4 [pid 3643] <... futex resumed>) = 1 [pid 3642] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3641] +++ exited with 0 +++ [pid 3638] <... futex resumed>) = 0 [pid 3644] <... write resumed>) = 4 [pid 3642] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3644] close(3 [pid 3642] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3644] <... close resumed>) = 0 [pid 3644] write(1, "executing program\n", 18 [pid 3642] <... clone3 resumed> => {parent_tid=[3646]}, 88) = 3646 [pid 3644] <... write resumed>) = 18 executing program [pid 3642] rt_sigprocmask(SIG_SETMASK, [] [pid 3637] +++ exited with 0 +++ [pid 3644] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3643] mount(NULL, "./config", "configfs", 0, NULL [pid 3642] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3638] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3644] <... futex resumed>) = 0 [pid 3642] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3644] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3642] <... futex resumed>) = 0 [pid 3644] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3642] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3638] <... futex resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3637, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3644] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3643] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3638] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3645] set_robust_list(0x5555810c5760, 24 [pid 3644] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3643] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3645] <... set_robust_list resumed>) = 0 [pid 3644] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3645] rt_sigprocmask(SIG_SETMASK, [] [pid 3644] <... mmap resumed>) = 0x7f85c0c15000 [pid 3638] <... futex resumed>) = 0 [pid 3645] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3644] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3643] <... futex resumed>) = 1 [pid 3638] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3645] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3644] <... mprotect resumed>) = 0 [pid 3645] <... prctl resumed>) = 0 [pid 3644] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3643] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3638] <... futex resumed>) = 0 [pid 3645] setpgid(0, 0 [pid 3644] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3638] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3645] <... setpgid resumed>) = 0 [pid 3644] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0}ci2-android-5-15/strace-static-x86_64: Process 3647 attached [pid 3645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3643] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3645] <... openat resumed>) = 3 [pid 3644] <... clone3 resumed> => {parent_tid=[3647]}, 88) = 3647 [pid 3645] write(3, "1000", 4 [pid 3644] rt_sigprocmask(SIG_SETMASK, [] [pid 3645] <... write resumed>) = 4 [pid 3644] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3645] close(3 [pid 3644] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3645] <... close resumed>) = 0 [pid 3644] <... futex resumed>) = 0 [pid 3645] write(1, "executing program\n", 18 [pid 3644] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3645] <... write resumed>) = 18 [pid 3645] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 3645] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3645] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3645] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3645] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3645] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3645] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3643] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3647] set_robust_list(0x7f85c0c359a0, 24 [pid 3643] <... futex resumed>) = 1 [pid 3638] <... futex resumed>) = 0 [pid 3647] <... set_robust_list resumed>) = 0 [pid 3643] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3638] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3645] <... clone3 resumed> => {parent_tid=[3648]}, 88) = 3648 [pid 3638] <... futex resumed>) = 0 [pid 3643] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3638] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3643] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3638] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3643] <... futex resumed>) = 0 [pid 3638] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3643] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777ci2-android-5-15/strace-static-x86_64: Process 3646 attached [pid 3645] rt_sigprocmask(SIG_SETMASK, [] [pid 3638] <... futex resumed>) = 0 [pid 3646] set_robust_list(0x7f85c0c359a0, 24 [pid 3645] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3638] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3643] <... mkdirat resumed>) = 0 [pid 3646] <... set_robust_list resumed>) = 0 [pid 3645] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3643] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3646] rt_sigprocmask(SIG_SETMASK, [] [pid 3645] <... futex resumed>) = 0 [pid 3643] <... futex resumed>) = 1 [pid 3638] <... futex resumed>) = 0 [pid 3646] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3645] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3643] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3638] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3646] mkdirat(AT_FDCWD, "./config", 0777 [pid 3638] <... futex resumed>) = 0 [pid 3643] <... symlinkat resumed>) = 0 [pid 3646] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3643] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3638] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3643] <... futex resumed>) = 0 [pid 3646] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3642] <... futex resumed>) = 0 [pid 3646] mount(NULL, "./config", "configfs", 0, NULL [pid 3643] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3642] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3638] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3646] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3642] <... futex resumed>) = 0 [pid 3638] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3646] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3642] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3638] <... futex resumed>) = 1 [pid 3646] <... futex resumed>) = 0 [pid 3643] <... futex resumed>) = 0 [pid 3642] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3638] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3646] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3643] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3642] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3646] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3642] <... futex resumed>) = 0 [pid 3647] rt_sigprocmask(SIG_SETMASK, [] [pid 3646] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3643] <... unlinkat resumed>) = 0 [pid 3642] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... restart_syscall resumed>) = 0 [pid 3647] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3646] <... futex resumed>) = 0 [pid 3643] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3642] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3646] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3643] <... futex resumed>) = 1 [pid 3642] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3638] <... futex resumed>) = 0 [pid 3647] mkdirat(AT_FDCWD, "./config", 0777 [pid 3646] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3643] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3642] <... futex resumed>) = 0 [pid 3638] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3647] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3646] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3643] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3642] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3638] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3647] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3646] <... futex resumed>) = 0 [pid 3643] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3642] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3638] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3646] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3642] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3646] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3642] <... futex resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3646] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3644] <... futex resumed>) = 0 [pid 3643] <... unlinkat resumed>) = 0 [pid 3642] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3646] <... mkdirat resumed>) = 0 [pid 3644] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3643] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3647] <... futex resumed>) = 1 [pid 3646] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3644] <... futex resumed>) = 0 [pid 3643] <... futex resumed>) = 1 [pid 3647] mount(NULL, "./config", "configfs", 0, NULL [pid 3638] <... futex resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3649 [pid 3646] <... futex resumed>) = 1 [pid 3644] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3643] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3642] <... futex resumed>) = 0 [pid 3638] exit_group(0 [pid 3647] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3646] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3642] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3638] <... exit_group resumed>) = ? [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3643] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 3646] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3642] <... futex resumed>) = 0 [pid 3646] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3642] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3646] <... symlinkat resumed>) = 0 [pid 3646] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3642] <... futex resumed>) = 0 [pid 3646] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3642] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3646] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3642] <... futex resumed>) = 0 [pid 3646] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3642] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3647] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3646] <... unlinkat resumed>) = 0 [pid 3643] +++ exited with 0 +++ [pid 3638] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 3648 attached [pid 3646] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3647] <... futex resumed>) = 1 [pid 3644] <... futex resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3638, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 3649 attached [pid 3648] set_robust_list(0x7f85c0c359a0, 24 [pid 3647] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3646] <... futex resumed>) = 1 [pid 3644] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3642] <... futex resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3647] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3646] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3644] <... futex resumed>) = 0 [pid 3642] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... restart_syscall resumed>) = 0 [pid 3649] set_robust_list(0x5555810c5760, 24 [pid 3647] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3646] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3644] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3642] <... futex resumed>) = 0 [pid 3649] <... set_robust_list resumed>) = 0 [pid 3647] <... futex resumed>) = 0 [pid 3646] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3644] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3642] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3649] rt_sigprocmask(SIG_SETMASK, [] [pid 3648] <... set_robust_list resumed>) = 0 [pid 3647] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3646] <... unlinkat resumed>) = 0 [pid 3644] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3649] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3647] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3646] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3644] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3649] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3647] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3646] <... futex resumed>) = 1 [pid 3644] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3642] <... futex resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3649] <... prctl resumed>) = 0 [pid 3648] rt_sigprocmask(SIG_SETMASK, [] [pid 3647] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3646] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3642] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 3650 attached [pid 3649] setpgid(0, 0 [pid 3648] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3647] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3646] <... futex resumed>) = ? [pid 3642] <... exit_group resumed>) = ? [pid 3649] <... setpgid resumed>) = 0 [pid 3648] mkdirat(AT_FDCWD, "./config", 0777 [pid 3647] <... futex resumed>) = 1 [pid 3646] +++ exited with 0 +++ [pid 3644] <... futex resumed>) = 0 [pid 3648] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3647] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3644] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3650 [pid 3648] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3647] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3644] <... futex resumed>) = 0 [pid 3648] <... futex resumed>) = 1 [pid 3647] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3644] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3648] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3647] <... mkdirat resumed>) = 0 [pid 3645] <... futex resumed>) = 0 [pid 3642] +++ exited with 0 +++ [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3649] <... openat resumed>) = 3 [pid 3647] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3645] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3642, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3650] set_robust_list(0x5555810c5760, 24 [pid 3649] write(3, "1000", 4 [pid 3648] <... futex resumed>) = 0 [pid 3647] <... futex resumed>) = 1 [pid 3645] <... futex resumed>) = 1 [pid 3644] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3650] <... set_robust_list resumed>) = 0 [pid 3649] <... write resumed>) = 4 [pid 3648] mount(NULL, "./config", "configfs", 0, NULL [pid 3647] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3645] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3644] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3650] rt_sigprocmask(SIG_SETMASK, [] [pid 3649] close(3 [pid 3648] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3647] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3644] <... futex resumed>) = 0 [pid 3650] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3649] <... close resumed>) = 0 [pid 3648] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3647] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3644] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3650] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3649] write(1, "executing program\n", 18 [pid 3648] <... futex resumed>) = 1 [pid 3647] <... symlinkat resumed>) = 0 executing program [pid 3645] <... futex resumed>) = 0 [pid 3650] <... prctl resumed>) = 0 [pid 3649] <... write resumed>) = 18 [pid 3648] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3647] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3645] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3650] setpgid(0, 0 [pid 3649] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3648] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3647] <... futex resumed>) = 1 [pid 3645] <... futex resumed>) = 0 [pid 3644] <... futex resumed>) = 0 [pid 3650] <... setpgid resumed>) = 0 [pid 3649] <... futex resumed>) = 0 [pid 3648] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3647] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3645] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3644] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3649] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3648] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3647] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3644] <... futex resumed>) = 0 [pid 3649] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3650] <... openat resumed>) = 3 [pid 3648] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3647] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3644] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3650] write(3, "1000", 4 [pid 3649] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3648] <... futex resumed>) = 1 [pid 3647] <... unlinkat resumed>) = 0 [pid 3645] <... futex resumed>) = 0 [pid 3650] <... write resumed>) = 4 [pid 3649] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3648] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3647] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3645] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3650] close(3 [pid 3649] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3648] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3647] <... futex resumed>) = 1 [pid 3645] <... futex resumed>) = 0 [pid 3644] <... futex resumed>) = 0 [pid 3650] <... close resumed>) = 0 [pid 3649] <... mmap resumed>) = 0x7f85c0c15000 [pid 3648] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3647] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3645] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3644] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3650] write(1, "executing program\n", 18 [pid 3649] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3648] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3647] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3644] <... futex resumed>) = 0 executing program [pid 3650] <... write resumed>) = 18 [pid 3649] <... mprotect resumed>) = 0 [pid 3648] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3647] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3644] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3650] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3649] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3648] <... futex resumed>) = 1 [pid 3647] <... unlinkat resumed>) = 0 [pid 3645] <... futex resumed>) = 0 [pid 3650] <... futex resumed>) = 0 [pid 3649] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3648] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3647] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3645] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3650] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3649] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3648] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3645] <... futex resumed>) = 0 [pid 3650] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3648] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3647] <... futex resumed>) = 1 [pid 3645] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3644] <... futex resumed>) = 0 [pid 3650] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3649] <... clone3 resumed> => {parent_tid=[3651]}, 88) = 3651 [pid 3650] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3649] rt_sigprocmask(SIG_SETMASK, [] [pid 3650] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3649] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3648] <... mkdirat resumed>) = 0 [pid 3647] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3644] exit_group(0 [pid 3650] <... mmap resumed>) = 0x7f85c0c15000 [pid 3649] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3648] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3644] <... exit_group resumed>) = ? [pid 3650] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3649] <... futex resumed>) = 0 [pid 3647] <... futex resumed>) = ? [pid 3650] <... mprotect resumed>) = 0 [pid 3649] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3648] <... futex resumed>) = 1 [pid 3645] <... futex resumed>) = 0 [pid 3650] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3645] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3650] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3645] <... futex resumed>) = 0 [pid 3650] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3645] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3647] +++ exited with 0 +++ [pid 3644] +++ exited with 0 +++ [pid 3650] <... clone3 resumed> => {parent_tid=[3652]}, 88) = 3652 [pid 3648] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3650] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3650] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3648] <... symlinkat resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3644, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3650] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3648] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... restart_syscall resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 3652 attached [pid 3652] set_robust_list(0x7f85c0c359a0, 24 [pid 3648] <... futex resumed>) = 1 [pid 305] <... restart_syscall resumed>) = 0 [pid 3645] <... futex resumed>) = 0 [pid 3645] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3645] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3648] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3648] <... unlinkat resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3652] <... set_robust_list resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3652] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3652] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3652] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3650] <... futex resumed>) = 0 [pid 3650] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3650] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3652] <... futex resumed>) = 1 [pid 3652] mount(NULL, "./config", "configfs", 0, NULL [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3653 [pid 3648] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3654 [pid 3648] <... futex resumed>) = 1 [pid 3645] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3648] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3645] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3648] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3645] <... futex resumed>) = 0 [pid 3648] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3645] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3652] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3652] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3648] <... unlinkat resumed>) = 0 [pid 3648] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3650] <... futex resumed>) = 0 [pid 3648] <... futex resumed>) = 1 [pid 3645] <... futex resumed>) = 0 [pid 3650] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3648] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3650] <... futex resumed>) = 0 [pid 3645] exit_group(0 [pid 3650] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3648] <... futex resumed>) = ? [pid 3645] <... exit_group resumed>) = ? [pid 3652] <... futex resumed>) = 1 [pid 3648] +++ exited with 0 +++ [pid 3652] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3652] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3650] <... futex resumed>) = 0 [pid 3650] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3650] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3652] <... futex resumed>) = 1 [pid 3652] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3645] +++ exited with 0 +++ [pid 3652] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3650] <... futex resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3645, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3650] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3650] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3652] <... futex resumed>) = 1 [pid 3652] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777ci2-android-5-15/strace-static-x86_64: Process 3654 attached ci2-android-5-15/strace-static-x86_64: Process 3653 attached ci2-android-5-15/strace-static-x86_64: Process 3651 attached ) = 0 [pid 3652] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3650] <... futex resumed>) = 0 [pid 3650] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3650] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3652] <... futex resumed>) = 1 [pid 3652] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3654] set_robust_list(0x5555810c5760, 24 [pid 3652] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3650] <... futex resumed>) = 0 [pid 3651] set_robust_list(0x7f85c0c359a0, 24 [pid 3650] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3650] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3652] <... futex resumed>) = 1 [pid 3652] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3652] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3650] <... futex resumed>) = 0 [pid 3650] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3650] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3652] <... futex resumed>) = 1 [pid 3652] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3654] <... set_robust_list resumed>) = 0 [pid 3652] <... unlinkat resumed>) = 0 [pid 3651] <... set_robust_list resumed>) = 0 [pid 3652] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3650] <... futex resumed>) = 0 [pid 3650] exit_group(0) = ? [pid 3652] <... futex resumed>) = ? [pid 3654] rt_sigprocmask(SIG_SETMASK, [] [pid 3653] set_robust_list(0x5555810c5760, 24 [pid 3651] rt_sigprocmask(SIG_SETMASK, [] [pid 3654] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3653] <... set_robust_list resumed>) = 0 [pid 3652] +++ exited with 0 +++ [pid 3650] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3650, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3653] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3653] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3653] setpgid(0, 0) = 0 [pid 3653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3653] write(3, "1000", 4) = 4 [pid 3653] close(3) = 0 [pid 3653] write(1, "executing program\n", 18) = 18 executing program [pid 3653] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3653] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3653] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3654] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3653] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3651] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3653] <... mmap resumed>) = 0x7f85c0c15000 [pid 3653] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3654] <... prctl resumed>) = 0 [pid 3651] mkdirat(AT_FDCWD, "./config", 0777 [pid 3654] setpgid(0, 0) = 0 [pid 3653] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3651] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3651] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3654] write(3, "1000", 4 [pid 3653] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3651] <... futex resumed>) = 1 [pid 3649] <... futex resumed>) = 0 [pid 3654] <... write resumed>) = 4 [pid 3651] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3654] close(3 [pid 3651] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3649] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3654] <... close resumed>) = 0 [pid 3651] mount(NULL, "./config", "configfs", 0, NULL [pid 3654] write(1, "executing program\n", 18 executing program [pid 3653] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3651] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3649] <... futex resumed>) = 0 [pid 3654] <... write resumed>) = 18 [pid 3651] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3654] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3651] <... futex resumed>) = 0 [pid 3649] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3655 attached [pid 3651] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 304] <... restart_syscall resumed>) = 0 [pid 3654] <... futex resumed>) = 0 [pid 3653] <... clone3 resumed> => {parent_tid=[3655]}, 88) = 3655 [pid 3649] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3654] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3653] rt_sigprocmask(SIG_SETMASK, [] [pid 3649] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3655] set_robust_list(0x7f85c0c359a0, 24 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 3656 attached [pid 3655] <... set_robust_list resumed>) = 0 [pid 3654] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3653] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3651] <... futex resumed>) = 0 [pid 3649] <... futex resumed>) = 1 [pid 3651] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3656 [pid 3656] set_robust_list(0x5555810c5760, 24 [pid 3655] rt_sigprocmask(SIG_SETMASK, [] [pid 3654] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3653] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3651] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3649] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3651] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3654] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3653] <... futex resumed>) = 0 [pid 3651] <... futex resumed>) = 0 [pid 3649] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3655] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3651] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3656] <... set_robust_list resumed>) = 0 [pid 3656] rt_sigprocmask(SIG_SETMASK, [] [pid 3655] mkdirat(AT_FDCWD, "./config", 0777 [pid 3654] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3653] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3649] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... restart_syscall resumed>) = 0 [pid 3656] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3656] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3654] <... mmap resumed>) = 0x7f85c0c15000 [pid 3651] <... futex resumed>) = 0 [pid 3649] <... futex resumed>) = 1 [pid 3656] <... prctl resumed>) = 0 [pid 3651] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3656] setpgid(0, 0 [pid 3651] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3656] <... setpgid resumed>) = 0 [pid 3651] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3651] <... futex resumed>) = 0 [pid 3656] <... openat resumed>) = 3 [pid 3655] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3654] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3651] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3649] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3654] <... mprotect resumed>) = 0 [pid 3656] write(3, "1000", 4 [pid 3649] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3654] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3649] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3656] <... write resumed>) = 4 [pid 3654] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3651] <... futex resumed>) = 0 [pid 3649] <... futex resumed>) = 1 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3656] close(3 [pid 3654] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3651] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3649] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3656] <... close resumed>) = 0 [pid 3655] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3651] <... mkdirat resumed>) = 0 [pid 3656] write(1, "executing program\n", 18 [pid 3651] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3656] <... write resumed>) = 18 [pid 3651] <... futex resumed>) = 1 [pid 3656] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3651] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3656] <... futex resumed>) = 0 [pid 3656] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3654] <... clone3 resumed> => {parent_tid=[3657]}, 88) = 3657 [pid 3649] <... futex resumed>) = 0 [pid 3655] <... futex resumed>) = 1 executing program [pid 3654] rt_sigprocmask(SIG_SETMASK, [] [pid 3653] <... futex resumed>) = 0 [pid 3649] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3658 [pid 3656] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3655] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3654] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3653] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3651] <... futex resumed>) = 0 [pid 3649] <... futex resumed>) = 1 [pid 3656] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3655] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3654] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3653] <... futex resumed>) = 0 [pid 3651] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3649] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 3658 attached [pid 3656] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3655] mount(NULL, "./config", "configfs", 0, NULL [pid 3654] <... futex resumed>) = 0 [pid 3653] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3651] <... symlinkat resumed>) = 0 [pid 3656] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3651] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3656] <... mmap resumed>) = 0x7f85c0c15000 [pid 3651] <... futex resumed>) = 0 [pid 3656] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3654] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3651] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3649] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3656] <... mprotect resumed>) = 0 [pid 3655] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3649] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3655] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3656] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3651] <... futex resumed>) = 0 [pid 3649] <... futex resumed>) = 1 [pid 3656] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3655] <... futex resumed>) = 1 [pid 3653] <... futex resumed>) = 0 [pid 3651] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3649] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3658] set_robust_list(0x5555810c5760, 24 [pid 3656] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3655] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3653] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3651] <... unlinkat resumed>) = 0 [pid 3655] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3653] <... futex resumed>) = 0 [pid 3651] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3656] <... clone3 resumed> => {parent_tid=[3659]}, 88) = 3659 [pid 3655] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3653] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3651] <... futex resumed>) = 1 [pid 3649] <... futex resumed>) = 0 [pid 3656] rt_sigprocmask(SIG_SETMASK, [] [pid 3655] <... futex resumed>) = 0 [pid 3653] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3651] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3649] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3656] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3655] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3653] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3651] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3649] <... futex resumed>) = 0 [pid 3656] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3655] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3653] <... futex resumed>) = 0 [pid 3651] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3649] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3657 attached [pid 3658] <... set_robust_list resumed>) = 0 [pid 3656] <... futex resumed>) = 0 [pid 3655] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3653] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3651] <... unlinkat resumed>) = 0 [pid 3657] set_robust_list(0x7f85c0c359a0, 24 [pid 3656] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3655] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3651] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3657] <... set_robust_list resumed>) = 0 [pid 3655] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3651] <... futex resumed>) = 1 [pid 3649] <... futex resumed>) = 0 [pid 3657] rt_sigprocmask(SIG_SETMASK, [] [pid 3655] <... futex resumed>) = 1 [pid 3653] <... futex resumed>) = 0 [pid 3651] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3649] exit_group(0 [pid 3657] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3655] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3653] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3651] <... futex resumed>) = ? [pid 3649] <... exit_group resumed>) = ? [pid 3657] mkdirat(AT_FDCWD, "./config", 0777 [pid 3655] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3653] <... futex resumed>) = 0 [pid 3651] +++ exited with 0 +++ [pid 3657] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3657] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3657] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3649] +++ exited with 0 +++ [pid 3654] <... futex resumed>) = 0 [pid 3653] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3655] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3654] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3655] <... mkdirat resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3649, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3657] <... futex resumed>) = 0 [pid 3655] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3654] <... futex resumed>) = 1 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3658] rt_sigprocmask(SIG_SETMASK, [] [pid 3657] mount(NULL, "./config", "configfs", 0, NULL [pid 3655] <... futex resumed>) = 1 [pid 3654] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3653] <... futex resumed>) = 0 [pid 3655] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3653] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3658] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3655] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3653] <... futex resumed>) = 0 [pid 3655] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3653] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3659 attached [pid 3657] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3655] <... symlinkat resumed>) = 0 [pid 3659] set_robust_list(0x7f85c0c359a0, 24 [pid 3657] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3655] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3659] <... set_robust_list resumed>) = 0 [pid 3658] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3657] <... futex resumed>) = 1 [pid 3655] <... futex resumed>) = 1 [pid 3654] <... futex resumed>) = 0 [pid 3653] <... futex resumed>) = 0 [pid 3659] rt_sigprocmask(SIG_SETMASK, [] [pid 3658] <... prctl resumed>) = 0 [pid 3657] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3655] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3654] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3653] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3659] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3658] setpgid(0, 0 [pid 3657] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3655] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3654] <... futex resumed>) = 0 [pid 3653] <... futex resumed>) = 0 [pid 3659] mkdirat(AT_FDCWD, "./config", 0777 [pid 3658] <... setpgid resumed>) = 0 [pid 3657] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3655] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3654] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3653] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3659] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3657] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3655] <... unlinkat resumed>) = 0 [pid 3659] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3657] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3655] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3659] <... futex resumed>) = 1 [pid 3657] <... futex resumed>) = 1 [pid 3656] <... futex resumed>) = 0 [pid 3655] <... futex resumed>) = 1 [pid 3654] <... futex resumed>) = 0 [pid 3653] <... futex resumed>) = 0 [pid 3659] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3658] <... openat resumed>) = 3 [pid 3657] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3656] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3655] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3654] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3653] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3659] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3658] write(3, "1000", 4 [pid 3657] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3656] <... futex resumed>) = 0 [pid 3655] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3654] <... futex resumed>) = 0 [pid 3653] <... futex resumed>) = 0 [pid 3659] mount(NULL, "./config", "configfs", 0, NULL [pid 3658] <... write resumed>) = 4 [pid 3657] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3656] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3655] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3654] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3653] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3659] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3658] close(3 [pid 3657] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3659] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3658] <... close resumed>) = 0 [pid 3657] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3655] <... unlinkat resumed>) = 0 [pid 3659] <... futex resumed>) = 1 [pid 3658] write(1, "executing program\n", 18 [pid 3657] <... futex resumed>) = 1 [pid 3656] <... futex resumed>) = 0 executing program [pid 3655] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3654] <... futex resumed>) = 0 [pid 3659] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3658] <... write resumed>) = 18 [pid 3657] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3656] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3655] <... futex resumed>) = 1 [pid 3654] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3653] <... futex resumed>) = 0 [pid 3659] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3658] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3657] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3656] <... futex resumed>) = 0 [pid 3655] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3654] <... futex resumed>) = 0 [pid 3659] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3658] <... futex resumed>) = 0 [pid 3657] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3656] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3654] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3653] exit_group(0 [pid 3659] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3658] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3657] <... mkdirat resumed>) = 0 [pid 3653] <... exit_group resumed>) = ? [pid 3655] <... futex resumed>) = ? [pid 3659] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3658] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3657] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3659] <... futex resumed>) = 1 [pid 3657] <... futex resumed>) = 1 [pid 3656] <... futex resumed>) = 0 [pid 3659] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3657] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3656] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3659] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3656] <... futex resumed>) = 0 [pid 3659] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3656] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3659] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3659] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3655] +++ exited with 0 +++ [pid 3653] +++ exited with 0 +++ [pid 3659] <... futex resumed>) = 1 [pid 3656] <... futex resumed>) = 0 [pid 3654] <... futex resumed>) = 0 [pid 3659] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3658] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3656] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3654] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3659] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3658] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3656] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3653, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3657] <... futex resumed>) = 0 [pid 3654] <... futex resumed>) = 1 [pid 3659] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3658] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3657] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3656] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3654] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3659] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3658] <... mmap resumed>) = 0x7f85c0c15000 [pid 3657] <... symlinkat resumed>) = 0 [pid 3659] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3658] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3657] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3659] <... futex resumed>) = 1 [pid 3658] <... mprotect resumed>) = 0 [pid 3657] <... futex resumed>) = 1 [pid 3656] <... futex resumed>) = 0 [pid 3654] <... futex resumed>) = 0 [pid 3659] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3658] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3657] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3656] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3654] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... restart_syscall resumed>) = 0 [pid 3659] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3658] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3657] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3656] <... futex resumed>) = 0 [pid 3654] <... futex resumed>) = 0 [pid 3659] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3658] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3657] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3656] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3654] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3659] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3657] <... unlinkat resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3659] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3658] <... clone3 resumed> => {parent_tid=[3660]}, 88) = 3660 [pid 3657] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3659] <... futex resumed>) = 1 [pid 3658] rt_sigprocmask(SIG_SETMASK, [] [pid 3657] <... futex resumed>) = 1 [pid 3656] <... futex resumed>) = 0 [pid 3654] <... futex resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 3661 attached [pid 3659] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3658] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3657] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3656] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3654] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3659] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3658] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3657] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3656] <... futex resumed>) = 0 [pid 3654] <... futex resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3661 [pid 3659] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3658] <... futex resumed>) = 0 [pid 3657] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3656] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3654] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... restart_syscall resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3661] set_robust_list(0x5555810c5760, 24 [pid 3659] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3658] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3657] <... unlinkat resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3659] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3657] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3659] <... futex resumed>) = 1 [pid 3657] <... futex resumed>) = 1 [pid 3656] <... futex resumed>) = 0 [pid 3654] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3659] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3657] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3656] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3654] exit_group(0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3659] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3657] <... futex resumed>) = ? [pid 3656] <... futex resumed>) = 0 [pid 3654] <... exit_group resumed>) = ? [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3659] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3657] +++ exited with 0 +++ [pid 3656] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3660 attached [pid 3660] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3660] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3654] +++ exited with 0 +++ [pid 3660] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3660] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3660] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3661] <... set_robust_list resumed>) = 0 [pid 3661] rt_sigprocmask(SIG_SETMASK, [] [pid 3659] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3658] <... futex resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3654, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3659] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3658] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3662 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3659] <... futex resumed>) = 1 [pid 3658] <... futex resumed>) = 1 [pid 3656] <... futex resumed>) = 0 [pid 3659] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3658] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3656] exit_group(0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3656] <... exit_group resumed>) = ? [pid 3659] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 3661] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3661] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3661] setpgid(0, 0) = 0 [pid 3661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3659] +++ exited with 0 +++ [pid 3656] +++ exited with 0 +++ [pid 3661] write(3, "1000", 4 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3656, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3661] <... write resumed>) = 4 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3661] close(3) = 0 executing program [pid 3661] write(1, "executing program\n", 18) = 18 [pid 3661] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3661] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3661] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3661] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3660] <... futex resumed>) = 0 [pid 3661] <... mmap resumed>) = 0x7f85c0c15000 [pid 3661] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3661] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3661] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3660] mount(NULL, "./config", "configfs", 0, NULLci2-android-5-15/strace-static-x86_64: Process 3662 attached [pid 3662] set_robust_list(0x5555810c5760, 24) = 0 [pid 3660] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3662] rt_sigprocmask(SIG_SETMASK, [] [pid 3660] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3662] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3662] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3661] <... clone3 resumed> => {parent_tid=[3663]}, 88) = 3663 [pid 3658] <... futex resumed>) = 0 [pid 3660] <... futex resumed>) = 1 [pid 3661] rt_sigprocmask(SIG_SETMASK, [] [pid 3658] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3662] <... prctl resumed>) = 0 [pid 3661] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3658] <... futex resumed>) = 0 [pid 3660] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3658] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3661] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3660] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3662] setpgid(0, 0) = 0 [pid 3662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3661] <... futex resumed>) = 0 [pid 3660] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3662] <... openat resumed>) = 3 [pid 3661] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3658] <... futex resumed>) = 0 [pid 3660] <... futex resumed>) = 1 [pid 3658] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3662] write(3, "1000", 4 [pid 3660] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3658] <... futex resumed>) = 0 [pid 3662] <... write resumed>) = 4 [pid 3658] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3660] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3662] close(3) = 0 [pid 3662] write(1, "executing program\n", 18 [pid 3660] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3662] <... write resumed>) = 18 ci2-android-5-15/strace-static-x86_64: Process 3663 attached executing program [pid 3663] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3663] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3662] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3660] <... futex resumed>) = 1 [pid 3658] <... futex resumed>) = 0 [pid 3660] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3662] <... futex resumed>) = 0 [pid 3658] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3663] mkdirat(AT_FDCWD, "./config", 0777 [pid 3658] <... futex resumed>) = 0 [pid 3658] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3660] <... mkdirat resumed>) = 0 [pid 3663] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3662] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3660] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3663] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3662] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3663] <... futex resumed>) = 1 [pid 3662] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3661] <... futex resumed>) = 0 [pid 3660] <... futex resumed>) = 1 [pid 3658] <... futex resumed>) = 0 [pid 3663] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3662] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3661] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3660] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3658] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3663] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3662] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3661] <... futex resumed>) = 0 [pid 3660] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3658] <... futex resumed>) = 0 [pid 3663] mount(NULL, "./config", "configfs", 0, NULL [pid 3662] <... mmap resumed>) = 0x7f85c0c15000 [pid 3661] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3660] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3658] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3663] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3662] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3663] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3660] <... symlinkat resumed>) = 0 [pid 3663] <... futex resumed>) = 1 [pid 3662] <... mprotect resumed>) = 0 [pid 3661] <... futex resumed>) = 0 [pid 3663] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3660] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3662] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3661] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3663] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3662] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3660] <... futex resumed>) = 1 [pid 3661] <... futex resumed>) = 0 [pid 3658] <... futex resumed>) = 0 [pid 3663] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3662] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3661] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3660] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3658] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3663] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3658] <... futex resumed>) = 0 [pid 3660] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ci2-android-5-15/strace-static-x86_64: Process 3664 attached [pid 3663] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3662] <... clone3 resumed> => {parent_tid=[3664]}, 88) = 3664 [pid 3660] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3658] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3664] set_robust_list(0x7f85c0c359a0, 24 [pid 3663] <... futex resumed>) = 1 [pid 3662] rt_sigprocmask(SIG_SETMASK, [] [pid 3661] <... futex resumed>) = 0 [pid 3664] <... set_robust_list resumed>) = 0 [pid 3663] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3662] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3661] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3660] <... unlinkat resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 3664] rt_sigprocmask(SIG_SETMASK, [] [pid 3663] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3662] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3661] <... futex resumed>) = 0 [pid 3660] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3664] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3663] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3662] <... futex resumed>) = 0 [pid 3661] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3660] <... futex resumed>) = 1 [pid 3658] <... futex resumed>) = 0 [pid 3663] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3662] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3660] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3658] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3663] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3660] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3658] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3663] <... futex resumed>) = 1 [pid 3661] <... futex resumed>) = 0 [pid 3660] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3658] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3663] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3661] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3660] <... unlinkat resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3661] <... futex resumed>) = 0 [pid 3663] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3660] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3664] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3664] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3662] <... futex resumed>) = 0 [pid 3662] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3662] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3661] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3665 attached [pid 3663] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3660] <... futex resumed>) = 1 [pid 3658] <... futex resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3665 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3666 [pid 3664] <... futex resumed>) = 1 [pid 3664] mount(NULL, "./config", "configfs", 0, NULL [pid 3663] <... mkdirat resumed>) = 0 [pid 3660] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3658] exit_group(0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3658] <... exit_group resumed>) = ? [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3660] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 3663] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3664] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3664] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3662] <... futex resumed>) = 0 [pid 3662] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3660] +++ exited with 0 +++ [pid 3658] +++ exited with 0 +++ [pid 3662] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3665] set_robust_list(0x5555810c5760, 24 [pid 3663] <... futex resumed>) = 1 [pid 3662] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3661] <... futex resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3658, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3665] <... set_robust_list resumed>) = 0 [pid 3663] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3661] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3663] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3661] <... futex resumed>) = 0 [pid 3663] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3665] rt_sigprocmask(SIG_SETMASK, [] [pid 3661] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3665] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3664] <... futex resumed>) = 1 [pid 3663] <... symlinkat resumed>) = 0 [pid 3663] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3664] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3663] <... futex resumed>) = 1 [pid 3661] <... futex resumed>) = 0 [pid 3663] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3661] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3663] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3661] <... futex resumed>) = 0 [pid 3665] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3663] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3661] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3664] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3663] <... unlinkat resumed>) = 0 [pid 3665] <... prctl resumed>) = 0 [pid 3663] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3664] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3663] <... futex resumed>) = 1 [pid 3665] setpgid(0, 0 [pid 3661] <... futex resumed>) = 0 [pid 3665] <... setpgid resumed>) = 0 [pid 3663] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3661] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... restart_syscall resumed>) = 0 [pid 3663] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3661] <... futex resumed>) = 0 [pid 3663] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3661] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3664] <... futex resumed>) = 1 [pid 3664] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 3666 attached [pid 3665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3663] <... unlinkat resumed>) = 0 [pid 3662] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3663] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3662] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3665] <... openat resumed>) = 3 [pid 3663] <... futex resumed>) = 1 [pid 3662] <... futex resumed>) = 1 [pid 3661] <... futex resumed>) = 0 [pid 3665] write(3, "1000", 4 [pid 3663] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3662] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3665] <... write resumed>) = 4 [pid 3661] exit_group(0 [pid 3666] set_robust_list(0x5555810c5760, 24 [pid 3664] <... futex resumed>) = 0 [pid 3666] <... set_robust_list resumed>) = 0 [pid 3664] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3666] rt_sigprocmask(SIG_SETMASK, [] [pid 3665] close(3 [pid 3664] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3663] <... futex resumed>) = ? [pid 3661] <... exit_group resumed>) = ? [pid 3666] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3664] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3663] +++ exited with 0 +++ [pid 3664] <... futex resumed>) = 1 [pid 3664] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 3667 attached [pid 3667] set_robust_list(0x5555810c5760, 24) = 0 [pid 3661] +++ exited with 0 +++ [pid 3667] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3661, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3667 [pid 3665] <... close resumed>) = 0 [pid 3662] <... futex resumed>) = 0 [pid 3667] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3665] write(1, "executing program\n", 18 [pid 3666] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3662] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3666] <... prctl resumed>) = 0 [pid 3665] <... write resumed>) = 18 [pid 3664] <... futex resumed>) = 0 [pid 3662] <... futex resumed>) = 1 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 3664] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3662] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3666] setpgid(0, 0 [pid 3665] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3664] <... mkdirat resumed>) = 0 [pid 3664] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3666] <... setpgid resumed>) = 0 [pid 3665] <... futex resumed>) = 0 [pid 3664] <... futex resumed>) = 1 [pid 3662] <... futex resumed>) = 0 [pid 3664] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3662] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3665] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3664] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3662] <... futex resumed>) = 0 [pid 3666] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3664] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3665] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3664] <... symlinkat resumed>) = 0 [pid 3662] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3666] <... openat resumed>) = 3 [pid 3665] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3664] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3662] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3664] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3666] write(3, "1000", 4 [pid 3665] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3664] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3662] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3666] <... write resumed>) = 4 [pid 3665] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3664] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3662] <... futex resumed>) = 0 [pid 3666] close(3 [pid 3665] <... mmap resumed>) = 0x7f85c0c15000 [pid 3664] <... unlinkat resumed>) = 0 [pid 3662] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3666] <... close resumed>) = 0 [pid 3665] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3664] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3662] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 3666] write(1, "executing program\n", 18 [pid 3665] <... mprotect resumed>) = 0 [pid 3664] <... futex resumed>) = 0 [pid 3662] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3666] <... write resumed>) = 18 [pid 3664] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3662] <... futex resumed>) = 0 [pid 3667] <... prctl resumed>) = 0 [pid 3666] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3665] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3664] <... unlinkat resumed>) = 0 [pid 3662] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... restart_syscall resumed>) = 0 [pid 3667] setpgid(0, 0 [pid 3666] <... futex resumed>) = 0 [pid 3665] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3664] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3662] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3667] <... setpgid resumed>) = 0 [pid 3666] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3665] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3664] <... futex resumed>) = 0 [pid 3662] exit_group(0 [pid 3667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3666] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3662] <... exit_group resumed>) = ? [pid 3667] <... openat resumed>) = 3 [pid 3666] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3665] <... clone3 resumed> => {parent_tid=[3668]}, 88) = 3668 [pid 3664] +++ exited with 0 +++ [pid 3667] write(3, "1000", 4) = 4 [pid 3667] close(3) = 0 [pid 3667] write(1, "executing program\n", 18) = 18 [pid 3667] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3662] +++ exited with 0 +++ [pid 3667] <... futex resumed>) = 0 executing program [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3666] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3665] rt_sigprocmask(SIG_SETMASK, [] [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3662, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3666] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3665] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3666] <... mmap resumed>) = 0x7f85c0c15000 [pid 3665] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3667] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3667] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3665] <... futex resumed>) = 0 [pid 3666] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3669 [pid 3665] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3666] <... mprotect resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3667] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3666] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3667] <... mmap resumed>) = 0x7f85c0c15000 [pid 312] <... restart_syscall resumed>) = 0 [pid 3666] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3666] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3667] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3667] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3666] <... clone3 resumed> => {parent_tid=[3670]}, 88) = 3670 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3667] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3666] rt_sigprocmask(SIG_SETMASK, [] [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3667] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3666] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3667] <... clone3 resumed> => {parent_tid=[3671]}, 88) = 3671 [pid 3667] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3667] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3667] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3666] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3672 ci2-android-5-15/strace-static-x86_64: Process 3668 attached [pid 3668] set_robust_list(0x7f85c0c359a0, 24 [pid 3666] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3668] <... set_robust_list resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3668] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3668] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) ci2-android-5-15/strace-static-x86_64: Process 3672 attached ci2-android-5-15/strace-static-x86_64: Process 3671 attached ci2-android-5-15/strace-static-x86_64: Process 3669 attached [pid 3668] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3665] <... futex resumed>) = 0 [pid 3668] mount(NULL, "./config", "configfs", 0, NULL [pid 3665] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3668] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3665] <... futex resumed>) = 0 [pid 3669] set_robust_list(0x5555810c5760, 24 [pid 3672] set_robust_list(0x5555810c5760, 24 [pid 3665] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3670 attached [pid 3668] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3670] set_robust_list(0x7f85c0c359a0, 24 [pid 3668] <... futex resumed>) = 1 [pid 3665] <... futex resumed>) = 0 [pid 3668] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3665] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3670] <... set_robust_list resumed>) = 0 [pid 3665] <... futex resumed>) = 0 [pid 3672] <... set_robust_list resumed>) = 0 [pid 3671] set_robust_list(0x7f85c0c359a0, 24 [pid 3669] <... set_robust_list resumed>) = 0 [pid 3668] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3665] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3670] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3670] mkdirat(AT_FDCWD, "./config", 0777 [pid 3669] rt_sigprocmask(SIG_SETMASK, [] [pid 3672] rt_sigprocmask(SIG_SETMASK, [] [pid 3668] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3665] <... futex resumed>) = 0 [pid 3669] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3668] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3665] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3672] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3671] <... set_robust_list resumed>) = 0 [pid 3665] <... futex resumed>) = 0 [pid 3665] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3669] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3670] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3669] <... prctl resumed>) = 0 [pid 3668] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3672] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3669] setpgid(0, 0 [pid 3672] <... prctl resumed>) = 0 [pid 3670] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3672] setpgid(0, 0 [pid 3669] <... setpgid resumed>) = 0 [pid 3668] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3670] <... futex resumed>) = 1 [pid 3668] <... futex resumed>) = 1 [pid 3666] <... futex resumed>) = 0 [pid 3665] <... futex resumed>) = 0 [pid 3672] <... setpgid resumed>) = 0 [pid 3671] rt_sigprocmask(SIG_SETMASK, [] [pid 3669] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3666] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3665] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3666] <... futex resumed>) = 0 [pid 3665] <... futex resumed>) = 0 [pid 3669] <... openat resumed>) = 3 [pid 3666] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3672] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3671] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3669] write(3, "1000", 4 [pid 3665] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3670] mount(NULL, "./config", "configfs", 0, NULL [pid 3669] <... write resumed>) = 4 [pid 3668] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3672] <... openat resumed>) = 3 [pid 3671] mkdirat(AT_FDCWD, "./config", 0777 [pid 3669] close(3 [pid 3672] write(3, "1000", 4 [pid 3671] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3670] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3669] <... close resumed>) = 0 [pid 3668] <... mkdirat resumed>) = 0 [pid 3670] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3668] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3670] <... futex resumed>) = 1 [pid 3668] <... futex resumed>) = 1 [pid 3666] <... futex resumed>) = 0 [pid 3665] <... futex resumed>) = 0 [pid 3669] write(1, "executing program\n", 18 [pid 3672] <... write resumed>) = 4 [pid 3671] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3666] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3665] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3669] <... write resumed>) = 18 [pid 3666] <... futex resumed>) = 0 [pid 3665] <... futex resumed>) = 0 [pid 3672] close(3 [pid 3671] <... futex resumed>) = 1 executing program [pid 3670] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3668] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3667] <... futex resumed>) = 0 [pid 3666] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3665] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3672] <... close resumed>) = 0 [pid 3671] mount(NULL, "./config", "configfs", 0, NULL [pid 3670] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3669] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3668] <... symlinkat resumed>) = 0 [pid 3667] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3670] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3668] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3667] <... futex resumed>) = 0 [pid 3665] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3666] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3672] write(1, "executing program\n", 18 [pid 3671] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3670] <... futex resumed>) = 0 [pid 3669] <... futex resumed>) = 0 [pid 3668] <... futex resumed>) = 0 executing program [pid 3667] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3666] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3665] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3672] <... write resumed>) = 18 [pid 3671] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3670] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3669] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3668] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3667] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3666] <... futex resumed>) = 0 [pid 3665] <... futex resumed>) = 0 [pid 3670] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3669] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3668] <... unlinkat resumed>) = 0 [pid 3667] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3666] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3665] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3672] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3671] <... futex resumed>) = 0 [pid 3670] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3669] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3668] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3667] <... futex resumed>) = 0 [pid 3666] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3665] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3672] <... futex resumed>) = 0 [pid 3671] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3670] <... futex resumed>) = 0 [pid 3669] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3668] <... futex resumed>) = 0 [pid 3667] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3666] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3665] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3672] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3671] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3670] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3669] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3668] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3666] <... futex resumed>) = 0 [pid 3665] <... futex resumed>) = 0 [pid 3672] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3671] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3670] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3669] <... mmap resumed>) = 0x7f85c0c15000 [pid 3668] <... unlinkat resumed>) = 0 [pid 3666] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3665] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3672] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3671] <... futex resumed>) = 1 [pid 3670] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3669] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3668] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3667] <... futex resumed>) = 0 [pid 3666] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3665] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3672] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3671] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3670] <... futex resumed>) = 0 [pid 3669] <... mprotect resumed>) = 0 [pid 3668] <... futex resumed>) = 0 [pid 3667] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3666] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3665] exit_group(0 [pid 3672] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3670] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3669] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3667] <... futex resumed>) = 0 [pid 3666] <... futex resumed>) = 0 [pid 3665] <... exit_group resumed>) = ? [pid 3672] <... mmap resumed>) = 0x7f85c0c15000 [pid 3671] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3670] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3669] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3668] +++ exited with 0 +++ [pid 3667] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3666] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3670] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3670] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3665] +++ exited with 0 +++ [pid 3669] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3666] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3672] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3671] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3666] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3665, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 3673 attached [pid 3672] <... mprotect resumed>) = 0 [pid 3671] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3670] <... futex resumed>) = 0 [pid 3666] <... futex resumed>) = 1 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3673] set_robust_list(0x7f85c0c359a0, 24 [pid 3672] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3671] <... futex resumed>) = 1 [pid 3670] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3669] <... clone3 resumed> => {parent_tid=[3673]}, 88) = 3673 [pid 3667] <... futex resumed>) = 0 [pid 3666] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3673] <... set_robust_list resumed>) = 0 [pid 3672] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3671] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3670] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3669] rt_sigprocmask(SIG_SETMASK, [] [pid 3667] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... restart_syscall resumed>) = 0 [pid 3673] rt_sigprocmask(SIG_SETMASK, [] [pid 3672] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3670] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3669] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3667] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3674 attached [pid 3673] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3671] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3670] <... futex resumed>) = 1 [pid 3669] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3667] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3666] <... futex resumed>) = 0 [pid 3673] mkdirat(AT_FDCWD, "./config", 0777 [pid 3672] <... clone3 resumed> => {parent_tid=[3674]}, 88) = 3674 [pid 3671] <... mkdirat resumed>) = 0 [pid 3670] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3669] <... futex resumed>) = 0 [pid 3666] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3673] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3672] rt_sigprocmask(SIG_SETMASK, [] [pid 3671] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3670] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3669] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3666] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3673] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3672] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3671] <... futex resumed>) = 1 [pid 3670] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3669] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3667] <... futex resumed>) = 0 [pid 3666] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3674] set_robust_list(0x7f85c0c359a0, 24 [pid 3673] <... futex resumed>) = 0 [pid 3672] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3671] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3670] <... unlinkat resumed>) = 0 [pid 3669] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3667] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3674] <... set_robust_list resumed>) = 0 [pid 3672] <... futex resumed>) = 0 [pid 3671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3669] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3675 attached [pid 3673] mount(NULL, "./config", "configfs", 0, NULL [pid 3672] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3671] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3670] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3669] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3667] <... futex resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3675 [pid 3675] set_robust_list(0x5555810c5760, 24 [pid 3674] rt_sigprocmask(SIG_SETMASK, [] [pid 3673] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3671] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3670] <... futex resumed>) = 1 [pid 3667] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3666] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3675] <... set_robust_list resumed>) = 0 [pid 3674] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3673] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3671] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3670] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3667] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3666] exit_group(0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3673] <... futex resumed>) = 1 [pid 3671] <... futex resumed>) = 0 [pid 3670] <... futex resumed>) = ? [pid 3669] <... futex resumed>) = 0 [pid 3667] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3666] <... exit_group resumed>) = ? [pid 3675] rt_sigprocmask(SIG_SETMASK, [] [pid 3674] mkdirat(AT_FDCWD, "./config", 0777 [pid 3673] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3671] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3670] +++ exited with 0 +++ [pid 3669] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3667] <... futex resumed>) = 0 [pid 3666] +++ exited with 0 +++ [pid 3675] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3674] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3673] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3671] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3669] <... futex resumed>) = 0 [pid 3667] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3674] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3673] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3671] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3669] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3667] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3666, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 3675] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3674] <... futex resumed>) = 1 [pid 3673] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3672] <... futex resumed>) = 0 [pid 3671] <... futex resumed>) = 0 [pid 3667] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3675] <... prctl resumed>) = 0 [pid 3674] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3673] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3672] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3671] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3667] <... futex resumed>) = 0 [pid 3675] setpgid(0, 0 [pid 3674] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3673] <... futex resumed>) = 1 [pid 3672] <... futex resumed>) = 0 [pid 3671] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3669] <... futex resumed>) = 0 [pid 3667] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3675] <... setpgid resumed>) = 0 [pid 3674] mount(NULL, "./config", "configfs", 0, NULL [pid 3673] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3672] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3671] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3669] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3667] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3674] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3673] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3671] <... futex resumed>) = 0 [pid 3669] <... futex resumed>) = 0 [pid 3667] exit_group(0 [pid 3675] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3674] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3673] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3669] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3667] <... exit_group resumed>) = ? [pid 3675] <... openat resumed>) = 3 [pid 3674] <... futex resumed>) = 1 [pid 3673] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3672] <... futex resumed>) = 0 [pid 3671] +++ exited with 0 +++ [pid 3667] +++ exited with 0 +++ [pid 3675] write(3, "1000", 4 [pid 3674] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3673] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3672] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3673] <... futex resumed>) = 1 [pid 3672] <... futex resumed>) = 0 [pid 3669] <... futex resumed>) = 0 [pid 3675] <... write resumed>) = 4 [pid 3674] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3673] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3672] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3669] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3667, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3675] close(3 [pid 3674] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3673] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3669] <... futex resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3673] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3669] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3675] <... close resumed>) = 0 [pid 3674] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3675] write(1, "executing program\n", 18 [pid 3674] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3673] <... mkdirat resumed>) = 0 [pid 3675] <... write resumed>) = 18 [pid 3674] <... futex resumed>) = 1 executing program [pid 3673] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3672] <... futex resumed>) = 0 [pid 3674] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3673] <... futex resumed>) = 1 [pid 3672] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3669] <... futex resumed>) = 0 [pid 3675] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3674] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3673] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3672] <... futex resumed>) = 0 [pid 3669] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3675] <... futex resumed>) = 0 [pid 3674] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3673] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3672] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3669] <... futex resumed>) = 0 [pid 3675] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3674] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3673] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3669] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3675] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3674] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3673] <... symlinkat resumed>) = 0 [pid 3675] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3674] <... futex resumed>) = 1 [pid 3673] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3672] <... futex resumed>) = 0 [pid 3675] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3674] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3673] <... futex resumed>) = 1 [pid 3672] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3669] <... futex resumed>) = 0 [pid 3675] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3674] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3673] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3672] <... futex resumed>) = 0 [pid 3669] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3675] <... mmap resumed>) = 0x7f85c0c15000 [pid 3674] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3673] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3675] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3672] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3669] <... futex resumed>) = 0 [pid 3673] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 3674] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 304] <... restart_syscall resumed>) = 0 [pid 3675] <... mprotect resumed>) = 0 [pid 3669] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3673] <... unlinkat resumed>) = 0 [pid 3674] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3673] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3675] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3674] <... futex resumed>) = 1 [pid 3673] <... futex resumed>) = 1 [pid 3672] <... futex resumed>) = 0 [pid 3669] <... futex resumed>) = 0 [pid 3672] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3669] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3673] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3675] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3674] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3672] <... futex resumed>) = 0 [pid 3669] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3673] <... unlinkat resumed>) = 0 [pid 3672] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3669] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3675] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3674] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3673] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3669] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3674] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3673] <... futex resumed>) = 0 [pid 3669] exit_group(0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3669] <... exit_group resumed>) = ? [pid 3675] <... clone3 resumed> => {parent_tid=[3676]}, 88) = 3676 [pid 3675] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3675] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 ci2-android-5-15/strace-static-x86_64: Process 3678 attached [pid 3675] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3674] <... futex resumed>) = 1 [pid 3672] <... futex resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3677 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3678 ci2-android-5-15/strace-static-x86_64: Process 3677 attached ci2-android-5-15/strace-static-x86_64: Process 3676 attached [pid 3674] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3672] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3673] +++ exited with 0 +++ [pid 3672] <... futex resumed>) = 0 [pid 3669] +++ exited with 0 +++ [pid 3678] set_robust_list(0x5555810c5760, 24 [pid 3677] set_robust_list(0x5555810c5760, 24 [pid 3674] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3672] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3676] set_robust_list(0x7f85c0c359a0, 24 [pid 3678] <... set_robust_list resumed>) = 0 [pid 3677] <... set_robust_list resumed>) = 0 [pid 3676] <... set_robust_list resumed>) = 0 [pid 3674] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3669, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3678] rt_sigprocmask(SIG_SETMASK, [] [pid 3674] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3678] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3674] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3678] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3677] rt_sigprocmask(SIG_SETMASK, [] [pid 3676] rt_sigprocmask(SIG_SETMASK, [] [pid 3674] <... futex resumed>) = 1 [pid 3672] <... futex resumed>) = 0 [pid 3678] <... prctl resumed>) = 0 [pid 3677] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3674] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3672] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3678] setpgid(0, 0 [pid 3674] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3672] <... futex resumed>) = 0 [pid 3678] <... setpgid resumed>) = 0 [pid 3677] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3674] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3672] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3678] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3677] <... prctl resumed>) = 0 [pid 3674] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3676] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3678] <... openat resumed>) = 3 [pid 3674] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3678] write(3, "1000", 4 [pid 3677] setpgid(0, 0 [pid 3678] <... write resumed>) = 4 [pid 3674] <... futex resumed>) = 1 [pid 3672] <... futex resumed>) = 0 [pid 3677] <... setpgid resumed>) = 0 [pid 3678] close(3 [pid 3674] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3672] exit_group(0 [pid 3678] <... close resumed>) = 0 [pid 3677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3676] mkdirat(AT_FDCWD, "./config", 0777 [pid 3674] <... futex resumed>) = ? [pid 3672] <... exit_group resumed>) = ? [pid 3678] write(1, "executing program\n", 18 [pid 3674] +++ exited with 0 +++ [pid 3676] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3676] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3675] <... futex resumed>) = 0 [pid 3676] mount(NULL, "./config", "configfs", 0, NULL [pid 3675] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3676] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3675] <... futex resumed>) = 0 [pid 3676] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3675] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3672] +++ exited with 0 +++ [pid 3676] <... futex resumed>) = 0 [pid 3675] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3678] <... write resumed>) = 18 [pid 3676] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3675] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3678] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3677] <... openat resumed>) = 3 [pid 3676] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 3675] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3672, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3678] <... futex resumed>) = 0 [pid 3677] write(3, "1000", 4 [pid 3676] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3675] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3678] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3677] <... write resumed>) = 4 [pid 3676] <... futex resumed>) = 0 [pid 3675] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3678] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3677] close(3 [pid 3676] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3675] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3678] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3677] <... close resumed>) = 0 [pid 3676] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3675] <... futex resumed>) = 0 [pid 3678] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3677] write(1, "executing program\n", 18 [pid 3676] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 3675] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3678] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3677] <... write resumed>) = 18 [pid 3676] <... futex resumed>) = 0 [pid 3675] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3678] <... mmap resumed>) = 0x7f85c0c15000 [pid 3677] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3676] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3675] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3678] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3677] <... futex resumed>) = 0 [pid 3676] <... mkdirat resumed>) = 0 [pid 3675] <... futex resumed>) = 0 [pid 3678] <... mprotect resumed>) = 0 [pid 3677] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3676] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3675] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3678] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3677] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3676] <... futex resumed>) = 0 [pid 3675] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3678] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3677] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3676] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3675] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3678] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3677] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3676] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3675] <... futex resumed>) = 0 [pid 3677] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3676] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3675] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3678] <... clone3 resumed> => {parent_tid=[3679]}, 88) = 3679 [pid 3677] <... mmap resumed>) = 0x7f85c0c15000 [pid 3676] <... symlinkat resumed>) = 0 [pid 3678] rt_sigprocmask(SIG_SETMASK, [] [pid 3677] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3676] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3678] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3677] <... mprotect resumed>) = 0 [pid 3676] <... futex resumed>) = 1 [pid 3675] <... futex resumed>) = 0 [pid 3678] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3677] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3676] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3675] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3678] <... futex resumed>) = 0 [pid 3677] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3676] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3675] <... futex resumed>) = 0 [pid 3678] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3677] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3676] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3675] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3676] <... unlinkat resumed>) = 0 [pid 3677] <... clone3 resumed> => {parent_tid=[3680]}, 88) = 3680 [pid 3676] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3677] rt_sigprocmask(SIG_SETMASK, [] [pid 3676] <... futex resumed>) = 1 [pid 3675] <... futex resumed>) = 0 [pid 3677] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3676] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3675] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... restart_syscall resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 3677] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3676] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3675] <... futex resumed>) = 0 [pid 3677] <... futex resumed>) = 0 [pid 3676] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3675] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3677] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3676] <... unlinkat resumed>) = 0 [pid 3676] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3676] <... futex resumed>) = 1 [pid 3675] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3676] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3675] exit_group(0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3676] <... futex resumed>) = ? [pid 3675] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 3679 attached [pid 3676] +++ exited with 0 +++ [pid 3675] +++ exited with 0 +++ [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3681 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3682 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3675, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 3680 attached [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3679] set_robust_list(0x7f85c0c359a0, 24 [pid 3680] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3680] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3680] mkdirat(AT_FDCWD, "./config", 0777 [pid 3679] <... set_robust_list resumed>) = 0 [pid 3679] rt_sigprocmask(SIG_SETMASK, [] [pid 3680] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3679] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3680] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3677] <... futex resumed>) = 0 [pid 3680] mount(NULL, "./config", "configfs", 0, NULL [pid 3677] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3679] mkdirat(AT_FDCWD, "./config", 0777 [pid 3677] <... futex resumed>) = 0 [pid 3680] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3679] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3677] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... restart_syscall resumed>) = 0 [pid 3679] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3680] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3677] <... futex resumed>) = 0 [pid 3679] <... futex resumed>) = 1 [pid 3678] <... futex resumed>) = 0 [pid 3677] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3679] mount(NULL, "./config", "configfs", 0, NULL [pid 3678] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3677] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3678] <... futex resumed>) = 0 [pid 3677] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3679] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3678] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3680] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3680] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3680] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3679] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3677] <... futex resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3683 [pid 3677] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3678] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3679] <... futex resumed>) = 1 [pid 3678] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3677] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3679] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3678] <... futex resumed>) = 0 [pid 3677] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3679] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3678] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3679] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3681 attached ci2-android-5-15/strace-static-x86_64: Process 3682 attached [pid 3680] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3679] <... futex resumed>) = 1 [pid 3678] <... futex resumed>) = 0 [pid 3681] set_robust_list(0x5555810c5760, 24 [pid 3680] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3679] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3678] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3681] <... set_robust_list resumed>) = 0 [pid 3680] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3679] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3678] <... futex resumed>) = 0 [pid 3681] rt_sigprocmask(SIG_SETMASK, [] [pid 3680] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3679] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3678] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3681] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3680] <... futex resumed>) = 1 [pid 3679] <... futex resumed>) = 0 [pid 3678] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3677] <... futex resumed>) = 0 [pid 3679] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3678] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3677] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3678] <... futex resumed>) = 0 [pid 3677] <... futex resumed>) = 0 [pid 3678] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3677] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3681] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3680] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3679] <... mkdirat resumed>) = 0 [pid 3681] <... prctl resumed>) = 0 [pid 3680] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3682] set_robust_list(0x5555810c5760, 24 [pid 3679] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3681] setpgid(0, 0 [pid 3680] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3683 attached [pid 3681] <... setpgid resumed>) = 0 [pid 3680] <... futex resumed>) = 1 [pid 3679] <... futex resumed>) = 1 [pid 3678] <... futex resumed>) = 0 [pid 3677] <... futex resumed>) = 0 [pid 3682] <... set_robust_list resumed>) = 0 [pid 3679] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3678] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3677] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3679] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3678] <... futex resumed>) = 0 [pid 3677] <... futex resumed>) = 0 [pid 3679] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3682] rt_sigprocmask(SIG_SETMASK, [] [pid 3678] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3677] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3683] set_robust_list(0x5555810c5760, 24 [pid 3682] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3680] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3679] <... symlinkat resumed>) = 0 [pid 3683] <... set_robust_list resumed>) = 0 [pid 3682] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3681] <... openat resumed>) = 3 [pid 3680] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3679] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3683] rt_sigprocmask(SIG_SETMASK, [] [pid 3682] <... prctl resumed>) = 0 [pid 3681] write(3, "1000", 4 [pid 3680] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3678] <... futex resumed>) = 0 [pid 3683] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3682] setpgid(0, 0 [pid 3681] <... write resumed>) = 4 [pid 3680] <... futex resumed>) = 1 [pid 3679] <... futex resumed>) = 1 [pid 3678] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3677] <... futex resumed>) = 0 [pid 3683] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3682] <... setpgid resumed>) = 0 [pid 3681] close(3 [pid 3680] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3679] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3678] <... futex resumed>) = 0 [pid 3677] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3683] <... prctl resumed>) = 0 [pid 3681] <... close resumed>) = 0 [pid 3680] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3678] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3677] <... futex resumed>) = 0 [pid 3683] setpgid(0, 0 [pid 3682] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3681] write(1, "executing program\n", 18 [pid 3680] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3679] <... unlinkat resumed>) = 0 [pid 3677] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3683] <... setpgid resumed>) = 0 [pid 3681] <... write resumed>) = 18 executing program [pid 3680] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3679] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3683] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3682] <... openat resumed>) = 3 [pid 3681] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3680] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3683] <... openat resumed>) = 3 [pid 3681] <... futex resumed>) = 0 [pid 3682] write(3, "1000", 4 [pid 3680] <... futex resumed>) = 1 [pid 3679] <... futex resumed>) = 1 [pid 3678] <... futex resumed>) = 0 [pid 3677] <... futex resumed>) = 0 [pid 3683] write(3, "1000", 4 [pid 3682] <... write resumed>) = 4 [pid 3681] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3680] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3679] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3678] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3677] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3683] <... write resumed>) = 4 [pid 3682] close(3 [pid 3681] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3680] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3679] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3678] <... futex resumed>) = 0 [pid 3677] <... futex resumed>) = 0 [pid 3683] close(3 [pid 3682] <... close resumed>) = 0 [pid 3681] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3680] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3679] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3678] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3677] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3683] <... close resumed>) = 0 [pid 3682] write(1, "executing program\n", 18 [pid 3681] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3680] <... unlinkat resumed>) = 0 [pid 3679] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3683] write(1, "executing program\n", 18 [pid 3682] <... write resumed>) = 18 [pid 3681] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3680] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3683] <... write resumed>) = 18 [pid 3682] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3681] <... mmap resumed>) = 0x7f85c0c15000 [pid 3680] <... futex resumed>) = 1 [pid 3679] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3677] <... futex resumed>) = 0 [pid 3683] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3682] <... futex resumed>) = 0 [pid 3681] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3680] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3679] <... futex resumed>) = 1 [pid 3678] <... futex resumed>) = 0 executing program executing program [pid 3677] exit_group(0 [pid 3683] <... futex resumed>) = 0 [pid 3682] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3681] <... mprotect resumed>) = 0 [pid 3680] <... futex resumed>) = ? [pid 3679] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3678] exit_group(0 [pid 3677] <... exit_group resumed>) = ? [pid 3683] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3682] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3681] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3680] +++ exited with 0 +++ [pid 3679] <... futex resumed>) = ? [pid 3678] <... exit_group resumed>) = ? [pid 3677] +++ exited with 0 +++ [pid 3683] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3682] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3681] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3679] +++ exited with 0 +++ [pid 3681] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[3684]}, 88) = 3684 [pid 3681] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3681] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3681] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3678] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 3684 attached [pid 3684] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3682] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3677, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3683] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3678, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3683] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3682] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3683] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3682] <... mmap resumed>) = 0x7f85c0c15000 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3684] rt_sigprocmask(SIG_SETMASK, [] [pid 3683] <... mmap resumed>) = 0x7f85c0c15000 [pid 3682] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3683] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3682] <... mprotect resumed>) = 0 [pid 3684] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3684] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3684] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3681] <... futex resumed>) = 0 [pid 3681] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3681] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3684] <... futex resumed>) = 1 [pid 3684] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3685 [pid 3682] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3686 [pid 3683] <... mprotect resumed>) = 0 [pid 3682] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3683] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3682] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3683] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3682] <... clone3 resumed> => {parent_tid=[3687]}, 88) = 3687 [pid 3683] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3682] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3683] <... clone3 resumed> => {parent_tid=[3688]}, 88) = 3688 [pid 3682] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3683] rt_sigprocmask(SIG_SETMASK, [] [pid 3682] <... futex resumed>) = 0 [pid 3683] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3682] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3683] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3683] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3684] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3684] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3681] <... futex resumed>) = 0 [pid 3681] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3681] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3684] <... futex resumed>) = 1 [pid 3684] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3684] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3681] <... futex resumed>) = 0 [pid 3681] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3681] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3684] <... futex resumed>) = 1 [pid 3684] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) ci2-android-5-15/strace-static-x86_64: Process 3687 attached ci2-android-5-15/strace-static-x86_64: Process 3685 attached ci2-android-5-15/strace-static-x86_64: Process 3686 attached [pid 3686] set_robust_list(0x5555810c5760, 24 [pid 3687] set_robust_list(0x7f85c0c359a0, 24 [pid 3686] <... set_robust_list resumed>) = 0 [pid 3685] set_robust_list(0x5555810c5760, 24 [pid 3684] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3687] <... set_robust_list resumed>) = 0 [pid 3686] rt_sigprocmask(SIG_SETMASK, [] [pid 3687] rt_sigprocmask(SIG_SETMASK, [] [pid 3685] <... set_robust_list resumed>) = 0 [pid 3684] <... futex resumed>) = 1 [pid 3681] <... futex resumed>) = 0 [pid 3681] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3681] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3686] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3687] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3685] rt_sigprocmask(SIG_SETMASK, [] [pid 3684] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3686] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ci2-android-5-15/strace-static-x86_64: Process 3688 attached [pid 3686] setpgid(0, 0 [pid 3688] set_robust_list(0x7f85c0c359a0, 24 [pid 3686] <... setpgid resumed>) = 0 [pid 3684] <... mkdirat resumed>) = 0 [pid 3687] mkdirat(AT_FDCWD, "./config", 0777 [pid 3685] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3684] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3688] <... set_robust_list resumed>) = 0 [pid 3688] rt_sigprocmask(SIG_SETMASK, [] [pid 3686] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3688] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3688] mkdirat(AT_FDCWD, "./config", 0777 [pid 3685] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3687] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3685] <... prctl resumed>) = 0 [pid 3684] <... futex resumed>) = 1 [pid 3681] <... futex resumed>) = 0 [pid 3681] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3681] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3687] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3685] setpgid(0, 0 [pid 3684] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3688] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3687] <... futex resumed>) = 1 [pid 3686] <... openat resumed>) = 3 [pid 3685] <... setpgid resumed>) = 0 [pid 3682] <... futex resumed>) = 0 [pid 3687] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3684] <... symlinkat resumed>) = 0 [pid 3682] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3687] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3685] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3682] <... futex resumed>) = 0 [pid 3684] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3687] mount(NULL, "./config", "configfs", 0, NULL [pid 3682] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3688] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3683] <... futex resumed>) = 0 [pid 3687] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3685] <... openat resumed>) = 3 [pid 3684] <... futex resumed>) = 1 [pid 3683] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3681] <... futex resumed>) = 0 [pid 3687] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3685] write(3, "1000", 4 [pid 3684] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3683] <... futex resumed>) = 0 [pid 3681] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3687] <... futex resumed>) = 1 [pid 3685] <... write resumed>) = 4 [pid 3684] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3683] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3682] <... futex resumed>) = 0 [pid 3681] <... futex resumed>) = 0 [pid 3687] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3685] close(3 [pid 3684] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3682] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3681] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3687] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3685] <... close resumed>) = 0 [pid 3684] <... unlinkat resumed>) = 0 [pid 3682] <... futex resumed>) = 0 [pid 3687] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3685] write(1, "executing program\n", 18 [pid 3684] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 3682] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3687] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3685] <... write resumed>) = 18 [pid 3684] <... futex resumed>) = 1 [pid 3681] <... futex resumed>) = 0 [pid 3687] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3685] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3684] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3681] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3687] <... futex resumed>) = 1 [pid 3685] <... futex resumed>) = 0 [pid 3682] <... futex resumed>) = 0 [pid 3681] <... futex resumed>) = 0 [pid 3688] mount(NULL, "./config", "configfs", 0, NULL [pid 3687] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3686] write(3, "1000", 4 [pid 3685] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3684] <... unlinkat resumed>) = 0 [pid 3682] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3681] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3688] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3687] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3686] <... write resumed>) = 4 [pid 3685] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3684] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3682] <... futex resumed>) = 0 [pid 3681] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3688] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3687] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3686] close(3 [pid 3685] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3684] <... futex resumed>) = 0 [pid 3682] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3681] exit_group(0 [pid 3688] <... futex resumed>) = 1 [pid 3687] <... futex resumed>) = 0 [pid 3686] <... close resumed>) = 0 [pid 3685] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3683] <... futex resumed>) = 0 [pid 3682] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3681] <... exit_group resumed>) = ? [pid 3688] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3687] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3686] write(1, "executing program\n", 18 [pid 3685] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3684] +++ exited with 0 +++ [pid 3683] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3682] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3681] +++ exited with 0 +++ [pid 3688] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3687] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3685] <... mmap resumed>) = 0x7f85c0c15000 [pid 3683] <... futex resumed>) = 0 [pid 3682] <... futex resumed>) = 0 [pid 3688] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3687] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3685] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3683] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3682] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3681, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3685] <... mprotect resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3686] <... write resumed>) = 18 [pid 3687] <... mkdirat resumed>) = 0 [pid 3685] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3688] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3687] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3685] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 3688] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3687] <... futex resumed>) = 1 [pid 3685] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3682] <... futex resumed>) = 0 [pid 3687] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3683] <... futex resumed>) = 0 [pid 3682] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3687] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3683] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3682] <... futex resumed>) = 0 [pid 3687] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3683] <... futex resumed>) = 0 [pid 3682] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3688] <... futex resumed>) = 1 [pid 3683] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3687] <... symlinkat resumed>) = 0 [pid 3685] <... clone3 resumed> => {parent_tid=[3689]}, 88) = 3689 [pid 3688] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3687] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3685] rt_sigprocmask(SIG_SETMASK, [] [pid 3687] <... futex resumed>) = 1 [pid 3685] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3682] <... futex resumed>) = 0 [pid 3688] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3687] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3685] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3682] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3688] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3687] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3685] <... futex resumed>) = 0 [pid 3682] <... futex resumed>) = 0 [pid 3688] <... futex resumed>) = 1 [pid 3687] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3683] <... futex resumed>) = 0 [pid 3682] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3685] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3683] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3688] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3687] <... unlinkat resumed>) = 0 [pid 3683] <... futex resumed>) = 0 [pid 3687] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3686] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3683] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3688] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3687] <... futex resumed>) = 1 [pid 3686] <... futex resumed>) = 0 [pid 3682] <... futex resumed>) = 0 [pid 3688] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3687] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3686] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3682] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3688] <... futex resumed>) = 1 [pid 3687] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3686] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3683] <... futex resumed>) = 0 [pid 3682] <... futex resumed>) = 0 [pid 3688] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3687] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3686] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3683] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3682] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3688] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3686] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3688] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3687] <... unlinkat resumed>) = 0 [pid 3686] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3683] <... futex resumed>) = 0 [pid 3687] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3686] <... mmap resumed>) = 0x7f85c0c15000 [pid 3683] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3688] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3687] <... futex resumed>) = 1 [pid 3686] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3682] <... futex resumed>) = 0 [pid 3688] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3687] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3686] <... mprotect resumed>) = 0 [pid 3688] <... futex resumed>) = 1 [pid 3686] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3683] <... futex resumed>) = 0 [pid 3682] exit_group(0 [pid 3688] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3686] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3683] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3682] <... exit_group resumed>) = ? [pid 3688] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3687] <... futex resumed>) = ? [pid 3686] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3683] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3689 attached [pid 3686] <... clone3 resumed> => {parent_tid=[3690]}, 88) = 3690 [pid 3689] set_robust_list(0x7f85c0c359a0, 24 [pid 3686] rt_sigprocmask(SIG_SETMASK, [] [pid 3689] <... set_robust_list resumed>) = 0 [pid 3686] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3689] rt_sigprocmask(SIG_SETMASK, [] [pid 3686] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3689] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3687] +++ exited with 0 +++ [pid 3686] <... futex resumed>) = 0 [pid 3682] +++ exited with 0 +++ [pid 3689] mkdirat(AT_FDCWD, "./config", 0777 [pid 3688] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3686] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3683] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3689] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3688] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3682, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3688] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3688] <... futex resumed>) = 1 [pid 3683] <... futex resumed>) = 0 [pid 3688] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3683] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3688] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3683] <... futex resumed>) = 0 [pid 3688] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3683] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3689] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3688] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3689] <... futex resumed>) = 1 [pid 3688] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3685] <... futex resumed>) = 0 [pid 3689] mount(NULL, "./config", "configfs", 0, NULL [pid 3685] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3688] <... futex resumed>) = 1 [pid 3685] <... futex resumed>) = 0 [pid 3683] <... futex resumed>) = 0 [pid 3688] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3685] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3683] exit_group(0 [pid 3689] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3688] <... futex resumed>) = ? [pid 3683] <... exit_group resumed>) = ? [pid 3689] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3685] <... futex resumed>) = 0 [pid 3689] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3685] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3689] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3685] <... futex resumed>) = 0 [pid 3689] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3685] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3689] <... futex resumed>) = 0 [pid 3685] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3689] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3685] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3689] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3685] <... futex resumed>) = 0 [pid 3689] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3685] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3688] +++ exited with 0 +++ [pid 3685] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3683] +++ exited with 0 +++ [pid 3685] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3689] <... futex resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3683, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3685] <... futex resumed>) = 0 [pid 3689] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3685] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3689] <... mkdirat resumed>) = 0 [pid 3689] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3685] <... futex resumed>) = 0 [pid 3689] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3685] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3689] <... symlinkat resumed>) = 0 [pid 3685] <... futex resumed>) = 0 [pid 3689] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3685] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3689] <... futex resumed>) = 0 [pid 3689] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3685] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ci2-android-5-15/strace-static-x86_64: Process 3690 attached [pid 3685] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3690] set_robust_list(0x7f85c0c359a0, 24 [pid 3689] <... futex resumed>) = 0 [pid 3685] <... futex resumed>) = 1 [pid 3689] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3685] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3690] <... set_robust_list resumed>) = 0 [pid 3689] <... unlinkat resumed>) = 0 [pid 3690] rt_sigprocmask(SIG_SETMASK, [] [pid 3689] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3690] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3689] <... futex resumed>) = 1 [pid 3685] <... futex resumed>) = 0 [pid 3689] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3685] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3689] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3685] <... futex resumed>) = 0 [pid 3689] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3685] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3690] mkdirat(AT_FDCWD, "./config", 0777 [pid 3689] <... unlinkat resumed>) = 0 [pid 3690] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3689] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... restart_syscall resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 3689] <... futex resumed>) = 1 [pid 3685] <... futex resumed>) = 0 [pid 3689] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3685] exit_group(0 [pid 3690] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3686] <... futex resumed>) = 0 [pid 3685] <... exit_group resumed>) = ? [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3690] mount(NULL, "./config", "configfs", 0, NULL [pid 3689] <... futex resumed>) = ? [pid 3686] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3690] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3686] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... restart_syscall resumed>) = 0 [pid 3690] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3686] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3690] <... futex resumed>) = 0 [pid 3686] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3690] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3686] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3690] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3686] <... futex resumed>) = 0 [pid 3690] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3686] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3690] <... futex resumed>) = 0 [pid 3686] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3690] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3686] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3691 [pid 3690] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3689] +++ exited with 0 +++ [pid 3686] <... futex resumed>) = 0 [pid 3685] +++ exited with 0 +++ [pid 3690] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3686] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3690] <... futex resumed>) = 0 [pid 3686] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3690] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3686] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3690] <... mkdirat resumed>) = 0 [pid 3686] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3692 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3685, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3690] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3686] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3690] <... futex resumed>) = 0 [pid 3686] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3690] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3686] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3690] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3686] <... futex resumed>) = 0 [pid 3690] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3686] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3690] <... symlinkat resumed>) = 0 [pid 3690] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3693 [pid 3690] <... futex resumed>) = 1 [pid 3686] <... futex resumed>) = 0 [pid 3690] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3686] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3690] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3686] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3690] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3686] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3690] <... unlinkat resumed>) = 0 [pid 3690] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3691 attached ci2-android-5-15/strace-static-x86_64: Process 3692 attached ) = 1 [pid 3686] <... futex resumed>) = 0 [pid 3690] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3686] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3690] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3686] <... futex resumed>) = 0 [pid 3690] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3686] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3692] set_robust_list(0x5555810c5760, 24 [pid 3691] set_robust_list(0x5555810c5760, 24 [pid 3690] <... unlinkat resumed>) = 0 [pid 3690] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3686] <... futex resumed>) = 0 [pid 3690] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3686] exit_group(0 [pid 3690] <... futex resumed>) = ? [pid 3686] <... exit_group resumed>) = ? [pid 3692] <... set_robust_list resumed>) = 0 [pid 3691] <... set_robust_list resumed>) = 0 [pid 3690] +++ exited with 0 +++ [pid 3686] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 3693 attached [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3686, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3693] set_robust_list(0x5555810c5760, 24 [pid 3692] rt_sigprocmask(SIG_SETMASK, [] [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3691] rt_sigprocmask(SIG_SETMASK, [] [pid 3692] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3693] <... set_robust_list resumed>) = 0 [pid 3693] rt_sigprocmask(SIG_SETMASK, [] [pid 3691] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3693] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3692] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3691] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3693] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3693] setpgid(0, 0) = 0 [pid 3693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3692] <... prctl resumed>) = 0 [pid 3691] <... prctl resumed>) = 0 [pid 3693] <... openat resumed>) = 3 [pid 3692] setpgid(0, 0 [pid 3691] setpgid(0, 0 [pid 3693] write(3, "1000", 4) = 4 [pid 3692] <... setpgid resumed>) = 0 [pid 3691] <... setpgid resumed>) = 0 [pid 3693] close(3) = 0 [pid 3692] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3691] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3693] write(1, "executing program\n", 18) = 18 [pid 3692] <... openat resumed>) = 3 [pid 3691] <... openat resumed>) = 3 [pid 3693] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3692] write(3, "1000", 4 [pid 3693] <... futex resumed>) = 0 [pid 3691] write(3, "1000", 4 [pid 3693] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3692] <... write resumed>) = 4 [pid 3693] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3691] <... write resumed>) = 4 [pid 3693] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3692] close(3 [pid 3693] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3691] close(3 [pid 3693] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3692] <... close resumed>) = 0 [pid 3693] <... mmap resumed>) = 0x7f85c0c15000 [pid 3691] <... close resumed>) = 0 [pid 3693] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3692] write(1, "executing program\n", 18 [pid 3691] write(1, "executing program\n", 18 [pid 3693] <... mprotect resumed>) = 0 [pid 3692] <... write resumed>) = 18 [pid 3691] <... write resumed>) = 18 executing program executing program executing program [pid 3693] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3692] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3691] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3693] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3693] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[3694]}, 88) = 3694 [pid 3692] <... futex resumed>) = 0 [pid 3691] <... futex resumed>) = 0 [pid 3692] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3693] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3693] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3693] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3692] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3691] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3692] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3691] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3692] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3691] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3692] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3691] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3692] <... mmap resumed>) = 0x7f85c0c15000 [pid 3691] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3692] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3691] <... mmap resumed>) = 0x7f85c0c15000 [pid 3692] <... mprotect resumed>) = 0 [pid 3691] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITEci2-android-5-15/strace-static-x86_64: Process 3694 attached [pid 3692] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3691] <... mprotect resumed>) = 0 [pid 3692] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3691] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3692] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3691] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3694] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3694] rt_sigprocmask(SIG_SETMASK, [] [pid 3691] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3692] <... clone3 resumed> => {parent_tid=[3695]}, 88) = 3695 [pid 3694] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3692] rt_sigprocmask(SIG_SETMASK, [] [pid 3691] <... clone3 resumed> => {parent_tid=[3696]}, 88) = 3696 [pid 3692] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3694] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 3691] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 3696 attached [pid 3692] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3691] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3692] <... futex resumed>) = 0 [pid 3691] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3692] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3691] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3691] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3694] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3694] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3693] <... futex resumed>) = 0 [pid 3693] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3693] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3697 [pid 3694] <... futex resumed>) = 1 [pid 3694] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3694] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3693] <... futex resumed>) = 0 [pid 3693] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3698 [pid 3693] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3694] <... futex resumed>) = 1 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3694] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3696] set_robust_list(0x7f85c0c359a0, 24 [pid 3694] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3693] <... futex resumed>) = 0 [pid 3693] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3693] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3694] <... futex resumed>) = 1 [pid 3694] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777ci2-android-5-15/strace-static-x86_64: Process 3697 attached [pid 3696] <... set_robust_list resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3698 attached [pid 3698] set_robust_list(0x5555810c5760, 24) = 0 [pid 3697] set_robust_list(0x5555810c5760, 24 [pid 3696] rt_sigprocmask(SIG_SETMASK, [] [pid 3694] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3698] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3698] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3696] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3698] <... prctl resumed>) = 0 [pid 3698] setpgid(0, 0) = 0 [pid 3698] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3697] <... set_robust_list resumed>) = 0 [pid 3696] mkdirat(AT_FDCWD, "./config", 0777 [pid 3694] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3697] rt_sigprocmask(SIG_SETMASK, [] [pid 3696] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3694] <... futex resumed>) = 1 [pid 3693] <... futex resumed>) = 0 [pid 3693] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3693] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3698] <... openat resumed>) = 3 [pid 3698] write(3, "1000", 4) = 4 [pid 3698] close(3 [pid 3696] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3698] <... close resumed>) = 0 executing program [pid 3698] write(1, "executing program\n", 18) = 18 [pid 3698] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3698] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3698] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3698] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3697] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3696] <... futex resumed>) = 1 [pid 3694] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3691] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3695 attached [pid 3696] mount(NULL, "./config", "configfs", 0, NULL [pid 3691] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3691] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3696] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3695] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3695] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3696] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3695] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3694] <... mkdirat resumed>) = 0 [pid 3691] <... futex resumed>) = 0 [pid 3696] <... futex resumed>) = 1 [pid 3691] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3695] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3691] <... futex resumed>) = 0 [pid 3696] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3691] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3692] <... futex resumed>) = 0 [pid 3696] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3698] <... mmap resumed>) = 0x7f85c0c15000 [pid 3697] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3694] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3692] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3696] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3692] <... futex resumed>) = 0 [pid 3692] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3695] <... futex resumed>) = 1 [pid 3695] mount(NULL, "./config", "configfs", 0, NULL [pid 3698] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3697] <... prctl resumed>) = 0 [pid 3696] <... futex resumed>) = 1 [pid 3694] <... futex resumed>) = 1 [pid 3693] <... futex resumed>) = 0 [pid 3691] <... futex resumed>) = 0 [pid 3693] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3691] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3698] <... mprotect resumed>) = 0 [pid 3697] setpgid(0, 0 [pid 3696] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3694] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3693] <... futex resumed>) = 0 [pid 3691] <... futex resumed>) = 0 [pid 3693] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3697] <... setpgid resumed>) = 0 [pid 3696] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3691] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3696] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3696] <... futex resumed>) = 1 [pid 3691] <... futex resumed>) = 0 [pid 3698] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3696] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3691] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3696] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3698] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3694] <... symlinkat resumed>) = 0 [pid 3691] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3697] <... openat resumed>) = 3 [pid 3696] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3698] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3694] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3697] write(3, "1000", 4 [pid 3696] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3696] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3694] <... futex resumed>) = 1 [pid 3693] <... futex resumed>) = 0 [pid 3697] <... write resumed>) = 4 [pid 3696] <... futex resumed>) = 1 [pid 3694] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3693] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3691] <... futex resumed>) = 0 [pid 3698] <... clone3 resumed> => {parent_tid=[3699]}, 88) = 3699 [pid 3697] close(3 [pid 3696] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3694] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3693] <... futex resumed>) = 0 [pid 3691] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3698] rt_sigprocmask(SIG_SETMASK, [] [pid 3697] <... close resumed>) = 0 [pid 3696] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3694] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3693] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3691] <... futex resumed>) = 0 [pid 3698] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3697] write(1, "executing program\n", 18 [pid 3696] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3691] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3699 attached [pid 3695] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3694] <... unlinkat resumed>) = 0 [pid 3695] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3692] <... futex resumed>) = 0 [pid 3692] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3692] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3695] <... futex resumed>) = 1 [pid 3695] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3696] <... symlinkat resumed>) = 0 [pid 3698] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3697] <... write resumed>) = 18 [pid 3696] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3694] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3698] <... futex resumed>) = 0 [pid 3697] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3696] <... futex resumed>) = 1 [pid 3698] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3694] <... futex resumed>) = 1 [pid 3693] <... futex resumed>) = 0 [pid 3697] <... futex resumed>) = 0 [pid 3691] <... futex resumed>) = 0 [pid 3697] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3696] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3694] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3693] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3691] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3697] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3696] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3694] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3693] <... futex resumed>) = 0 [pid 3691] <... futex resumed>) = 0 [pid 3697] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3696] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3694] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3693] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3691] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3697] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3696] <... unlinkat resumed>) = 0 [pid 3696] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3691] <... futex resumed>) = 0 [pid 3697] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3696] <... futex resumed>) = 1 [pid 3691] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3696] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3691] <... futex resumed>) = 0 [pid 3697] <... mmap resumed>) = 0x7f85c0c15000 [pid 3691] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3697] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3696] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3694] <... unlinkat resumed>) = 0 [pid 3697] <... mprotect resumed>) = 0 [pid 3696] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3694] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3696] <... futex resumed>) = 1 [pid 3695] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3693] <... futex resumed>) = 0 [pid 3694] <... futex resumed>) = 1 [pid 3691] <... futex resumed>) = 0 [pid 3697] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3696] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3695] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3694] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3693] exit_group(0 [pid 3691] exit_group(0 [pid 3697] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3695] <... futex resumed>) = 1 [pid 3693] <... exit_group resumed>) = ? [pid 3692] <... futex resumed>) = 0 [pid 3696] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 3691] <... exit_group resumed>) = ? [pid 3695] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3694] <... futex resumed>) = ? [pid 3692] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3695] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3692] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3699] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3699] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3699] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3696] +++ exited with 0 +++ [pid 3691] +++ exited with 0 +++ [pid 3699] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3695] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3691, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3698] <... futex resumed>) = 0 [pid 3695] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3698] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3695] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3698] <... futex resumed>) = 0 [pid 3695] <... futex resumed>) = 1 [pid 3692] <... futex resumed>) = 0 [pid 3698] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3695] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3692] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3695] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3692] <... futex resumed>) = 0 [pid 3697] <... clone3 resumed> => {parent_tid=[3700]}, 88) = 3700 [pid 3695] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 executing program [pid 3692] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3697] rt_sigprocmask(SIG_SETMASK, [] [pid 3695] <... mkdirat resumed>) = 0 [pid 3694] +++ exited with 0 +++ [pid 3693] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 3700 attached [pid 3697] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3695] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3697] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3700] set_robust_list(0x7f85c0c359a0, 24 [pid 3695] <... futex resumed>) = 1 [pid 3692] <... futex resumed>) = 0 [pid 3697] <... futex resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3693, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3700] <... set_robust_list resumed>) = 0 [pid 3697] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3695] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3692] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3700] rt_sigprocmask(SIG_SETMASK, [] [pid 3695] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3692] <... futex resumed>) = 0 [pid 3700] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3695] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3692] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3699] mount(NULL, "./config", "configfs", 0, NULL [pid 3700] mkdirat(AT_FDCWD, "./config", 0777 [pid 3699] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3695] <... symlinkat resumed>) = 0 [pid 3700] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3695] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3700] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3695] <... futex resumed>) = 1 [pid 3692] <... futex resumed>) = 0 [pid 3700] <... futex resumed>) = 1 [pid 3697] <... futex resumed>) = 0 [pid 3695] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3692] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3700] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3697] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3695] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3692] <... futex resumed>) = 0 [pid 3700] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3697] <... futex resumed>) = 0 [pid 3695] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3692] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3700] mount(NULL, "./config", "configfs", 0, NULL [pid 3697] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3695] <... unlinkat resumed>) = 0 [pid 3700] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3699] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3695] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3699] <... futex resumed>) = 1 [pid 3698] <... futex resumed>) = 0 [pid 3695] <... futex resumed>) = 1 [pid 3692] <... futex resumed>) = 0 [pid 3699] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3698] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3695] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3692] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3699] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3698] <... futex resumed>) = 0 [pid 3695] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3692] <... futex resumed>) = 0 [pid 3700] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3699] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3698] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3695] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3692] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3699] <... futex resumed>) = 0 [pid 3698] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3699] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3698] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3695] <... unlinkat resumed>) = 0 [pid 3700] <... futex resumed>) = 1 [pid 3699] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3698] <... futex resumed>) = 0 [pid 3697] <... futex resumed>) = 0 [pid 3699] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3698] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3697] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3695] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3700] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3699] <... futex resumed>) = 0 [pid 3698] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3697] <... futex resumed>) = 0 [pid 3695] <... futex resumed>) = 1 [pid 3692] <... futex resumed>) = 0 [pid 3699] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3698] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3697] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3695] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3700] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3699] <... mkdirat resumed>) = 0 [pid 3698] <... futex resumed>) = 0 [pid 3692] exit_group(0 [pid 3699] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3698] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3700] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3699] <... futex resumed>) = 0 [pid 3698] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3695] <... futex resumed>) = ? [pid 3692] <... exit_group resumed>) = ? [pid 3699] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3698] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3699] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3698] <... futex resumed>) = 0 [pid 3695] +++ exited with 0 +++ [pid 3699] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3698] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3699] <... symlinkat resumed>) = 0 [pid 3692] +++ exited with 0 +++ [pid 3699] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3697] <... futex resumed>) = 0 [pid 3700] <... futex resumed>) = 1 [pid 3699] <... futex resumed>) = 1 [pid 3698] <... futex resumed>) = 0 [pid 3697] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3692, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3700] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3699] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3698] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3697] <... futex resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3699] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3698] <... futex resumed>) = 0 [pid 3700] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3699] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3698] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3697] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3699] <... unlinkat resumed>) = 0 [pid 3700] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3699] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3698] <... futex resumed>) = 0 [pid 3699] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3698] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3699] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3698] <... futex resumed>) = 0 [pid 3699] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3698] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3700] <... futex resumed>) = 1 [pid 3699] <... unlinkat resumed>) = 0 [pid 3697] <... futex resumed>) = 0 [pid 3700] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3699] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3697] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3700] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3699] <... futex resumed>) = 1 [pid 3698] <... futex resumed>) = 0 [pid 3697] <... futex resumed>) = 0 [pid 3700] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3699] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3698] exit_group(0 [pid 3699] <... futex resumed>) = ? [pid 3698] <... exit_group resumed>) = ? [pid 3697] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... restart_syscall resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 3700] <... mkdirat resumed>) = 0 [pid 3699] +++ exited with 0 +++ [pid 3698] +++ exited with 0 +++ [pid 305] <... restart_syscall resumed>) = 0 [pid 3700] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3697] <... futex resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3698, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3700] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3697] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3700] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3697] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3700] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3697] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3701 attached ci2-android-5-15/strace-static-x86_64: Process 3702 attached [pid 3700] <... symlinkat resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3701 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3702] set_robust_list(0x5555810c5760, 24 [pid 3700] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3702 [pid 3700] <... futex resumed>) = 1 [pid 3700] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 3703 attached [pid 3702] <... set_robust_list resumed>) = 0 [pid 3701] set_robust_list(0x5555810c5760, 24 [pid 3697] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3701] <... set_robust_list resumed>) = 0 [pid 3697] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3703 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3700] <... futex resumed>) = 0 [pid 3697] <... futex resumed>) = 1 [pid 3700] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3700] <... unlinkat resumed>) = 0 [pid 3700] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3700] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3702] rt_sigprocmask(SIG_SETMASK, [] [pid 3701] rt_sigprocmask(SIG_SETMASK, [] [pid 3697] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3703] set_robust_list(0x5555810c5760, 24ci2-android-5-15/strace-static-x86_64: Process 3704 attached [pid 3702] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3701] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3703] <... set_robust_list resumed>) = 0 [pid 3697] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3704 [pid 3697] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3700] <... futex resumed>) = 0 [pid 3697] <... futex resumed>) = 1 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3704] set_robust_list(0x5555810c5760, 24 [pid 3703] rt_sigprocmask(SIG_SETMASK, [] [pid 3702] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3701] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3700] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3697] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3704] <... set_robust_list resumed>) = 0 [pid 3703] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3702] <... prctl resumed>) = 0 [pid 3701] <... prctl resumed>) = 0 [pid 3700] <... unlinkat resumed>) = 0 [pid 3700] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3703] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3702] setpgid(0, 0 [pid 3701] setpgid(0, 0 [pid 3700] <... futex resumed>) = 1 [pid 3697] <... futex resumed>) = 0 [pid 3704] rt_sigprocmask(SIG_SETMASK, [] [pid 3703] <... prctl resumed>) = 0 [pid 3702] <... setpgid resumed>) = 0 [pid 3701] <... setpgid resumed>) = 0 [pid 3700] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3697] exit_group(0 [pid 3704] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3703] setpgid(0, 0 [pid 3702] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3700] <... futex resumed>) = ? [pid 3697] <... exit_group resumed>) = ? [pid 3704] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3703] <... setpgid resumed>) = 0 [pid 3702] <... openat resumed>) = 3 [pid 3701] <... openat resumed>) = 3 [pid 3700] +++ exited with 0 +++ [pid 3697] +++ exited with 0 +++ [pid 3704] <... prctl resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3697, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3701] write(3, "1000", 4 [pid 3703] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3702] write(3, "1000", 4 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3701] <... write resumed>) = 4 [pid 3702] <... write resumed>) = 4 [pid 3704] setpgid(0, 0 [pid 3703] <... openat resumed>) = 3 [pid 3702] close(3 [pid 3701] close(3 [pid 3703] write(3, "1000", 4 [pid 3702] <... close resumed>) = 0 [pid 3701] <... close resumed>) = 0 [pid 3703] <... write resumed>) = 4 [pid 3702] write(1, "executing program\n", 18 [pid 3703] close(3 [pid 3701] write(1, "executing program\n", 18 [pid 3703] <... close resumed>) = 0 executing program executing program [pid 3702] <... write resumed>) = 18 [pid 3703] write(1, "executing program\n", 18 [pid 3701] <... write resumed>) = 18 [pid 3703] <... write resumed>) = 18 [pid 3702] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3704] <... setpgid resumed>) = 0 executing program [pid 3702] <... futex resumed>) = 0 [pid 3701] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3704] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3703] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3702] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3701] <... futex resumed>) = 0 [pid 3704] <... openat resumed>) = 3 [pid 3704] write(3, "1000", 4) = 4 [pid 3703] <... futex resumed>) = 0 [pid 3702] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3701] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3704] close(3 [pid 3703] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3702] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3701] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3704] <... close resumed>) = 0 [pid 3703] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3702] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3701] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3704] write(1, "executing program\n", 18 [pid 3703] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] executing program [pid 3702] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3704] <... write resumed>) = 18 [pid 3703] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3701] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3704] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3703] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3702] <... mmap resumed>) = 0x7f85c0c15000 [pid 3701] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3704] <... futex resumed>) = 0 [pid 3703] <... mmap resumed>) = 0x7f85c0c15000 [pid 3702] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3704] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3703] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3701] <... mmap resumed>) = 0x7f85c0c15000 [pid 3704] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3703] <... mprotect resumed>) = 0 [pid 3702] <... mprotect resumed>) = 0 [pid 3701] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3704] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3703] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3704] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3703] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3702] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3701] <... mprotect resumed>) = 0 [pid 3704] <... mmap resumed>) = 0x7f85c0c15000 [pid 3703] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3702] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3704] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3701] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3704] <... mprotect resumed>) = 0 [pid 3702] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3701] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3704] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3703] <... clone3 resumed> => {parent_tid=[3705]}, 88) = 3705 [pid 3704] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3703] rt_sigprocmask(SIG_SETMASK, [] [pid 3701] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3704] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3703] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3702] <... clone3 resumed> => {parent_tid=[3706]}, 88) = 3706 [pid 3703] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3704] <... clone3 resumed> => {parent_tid=[3707]}, 88) = 3707 [pid 3703] <... futex resumed>) = 0 [pid 3702] rt_sigprocmask(SIG_SETMASK, [] [pid 3701] <... clone3 resumed> => {parent_tid=[3708]}, 88) = 3708 [pid 306] <... restart_syscall resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3708 attached [pid 3704] rt_sigprocmask(SIG_SETMASK, [] [pid 3703] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3702] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3701] rt_sigprocmask(SIG_SETMASK, [] [pid 3704] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3702] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3701] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3704] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3702] <... futex resumed>) = 0 [pid 3701] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3704] <... futex resumed>) = 0 [pid 3702] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3701] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3704] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3701] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3707 attached [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3707] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3707] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3707] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3707] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3709 ci2-android-5-15/strace-static-x86_64: Process 3705 attached [pid 3704] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3704] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3704] <... futex resumed>) = 0 [pid 3704] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3705] set_robust_list(0x7f85c0c359a0, 24 [pid 3707] <... futex resumed>) = 1 [pid 3707] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3708] set_robust_list(0x7f85c0c359a0, 24ci2-android-5-15/strace-static-x86_64: Process 3709 attached [pid 3705] <... set_robust_list resumed>) = 0 [pid 3705] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3709] set_robust_list(0x5555810c5760, 24 [pid 3708] <... set_robust_list resumed>) = 0 [pid 3705] mkdirat(AT_FDCWD, "./config", 0777 [pid 3707] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3705] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3704] <... futex resumed>) = 0 [pid 3704] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3704] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3707] <... futex resumed>) = 1 [pid 3705] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3707] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3705] <... futex resumed>) = 1 [pid 3707] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3703] <... futex resumed>) = 0 [pid 3709] <... set_robust_list resumed>) = 0 [pid 3708] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 3706 attached [pid 3707] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3705] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3707] <... futex resumed>) = 1 [pid 3706] set_robust_list(0x7f85c0c359a0, 24 [pid 3704] <... futex resumed>) = 0 [pid 3707] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3706] <... set_robust_list resumed>) = 0 [pid 3704] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3707] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3706] rt_sigprocmask(SIG_SETMASK, [] [pid 3704] <... futex resumed>) = 0 [pid 3707] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3706] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3704] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3707] <... futex resumed>) = 0 [pid 3706] mkdirat(AT_FDCWD, "./config", 0777 [pid 3704] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3707] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3706] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3704] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3703] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3709] rt_sigprocmask(SIG_SETMASK, [] [pid 3708] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3704] <... futex resumed>) = 0 [pid 3703] <... futex resumed>) = 1 [pid 3707] <... mkdirat resumed>) = 0 [pid 3706] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3705] <... futex resumed>) = 0 [pid 3704] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3703] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3707] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3706] <... futex resumed>) = 1 [pid 3705] mount(NULL, "./config", "configfs", 0, NULL [pid 3702] <... futex resumed>) = 0 [pid 3709] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3708] mkdirat(AT_FDCWD, "./config", 0777 [pid 3707] <... futex resumed>) = 1 [pid 3706] mount(NULL, "./config", "configfs", 0, NULL [pid 3705] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3704] <... futex resumed>) = 0 [pid 3702] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3709] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3708] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3707] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3706] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3705] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3704] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3702] <... futex resumed>) = 0 [pid 3704] <... futex resumed>) = 0 [pid 3702] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3708] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3704] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3708] <... futex resumed>) = 1 [pid 3707] <... symlinkat resumed>) = 0 [pid 3706] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3705] <... futex resumed>) = 1 [pid 3703] <... futex resumed>) = 0 [pid 3701] <... futex resumed>) = 0 [pid 3709] <... prctl resumed>) = 0 [pid 3708] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3707] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3706] <... futex resumed>) = 1 [pid 3705] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3703] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3702] <... futex resumed>) = 0 [pid 3701] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3708] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3707] <... futex resumed>) = 1 [pid 3706] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3705] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3704] <... futex resumed>) = 0 [pid 3703] <... futex resumed>) = 0 [pid 3702] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3701] <... futex resumed>) = 0 [pid 3708] mount(NULL, "./config", "configfs", 0, NULL [pid 3707] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3706] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3705] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3704] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3703] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3702] <... futex resumed>) = 0 [pid 3701] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3708] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3707] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3706] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3705] <... futex resumed>) = 0 [pid 3704] <... futex resumed>) = 0 [pid 3703] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3702] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3708] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3707] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3706] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3705] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3704] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3703] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3709] setpgid(0, 0 [pid 3708] <... futex resumed>) = 1 [pid 3707] <... unlinkat resumed>) = 0 [pid 3706] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3705] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3703] <... futex resumed>) = 0 [pid 3701] <... futex resumed>) = 0 [pid 3708] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3707] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3706] <... futex resumed>) = 1 [pid 3705] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3703] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3702] <... futex resumed>) = 0 [pid 3701] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3709] <... setpgid resumed>) = 0 [pid 3708] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3707] <... futex resumed>) = 1 [pid 3706] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3705] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3704] <... futex resumed>) = 0 [pid 3702] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3701] <... futex resumed>) = 0 [pid 3709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3708] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3707] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3706] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3705] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3704] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3702] <... futex resumed>) = 0 [pid 3701] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3709] <... openat resumed>) = 3 [pid 3708] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3707] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3706] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3705] <... futex resumed>) = 1 [pid 3704] <... futex resumed>) = 0 [pid 3703] <... futex resumed>) = 0 [pid 3702] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3709] write(3, "1000", 4 [pid 3708] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3707] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3706] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3705] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3704] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3703] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3709] <... write resumed>) = 4 [pid 3708] <... futex resumed>) = 1 [pid 3707] <... unlinkat resumed>) = 0 [pid 3706] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3705] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3703] <... futex resumed>) = 0 [pid 3701] <... futex resumed>) = 0 [pid 3709] close(3 [pid 3708] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3707] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3706] <... futex resumed>) = 1 [pid 3705] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3703] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3702] <... futex resumed>) = 0 [pid 3701] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3709] <... close resumed>) = 0 [pid 3708] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3707] <... futex resumed>) = 1 [pid 3706] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3705] <... mkdirat resumed>) = 0 [pid 3704] <... futex resumed>) = 0 [pid 3702] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3701] <... futex resumed>) = 0 [pid 3709] write(1, "executing program\n", 18 [pid 3708] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3707] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3706] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 3705] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3704] exit_group(0 [pid 3702] <... futex resumed>) = 0 [pid 3701] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3709] <... write resumed>) = 18 [pid 3708] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3707] <... futex resumed>) = ? [pid 3706] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3705] <... futex resumed>) = 1 [pid 3704] <... exit_group resumed>) = ? [pid 3703] <... futex resumed>) = 0 [pid 3702] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3709] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3708] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3707] +++ exited with 0 +++ [pid 3706] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3705] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3703] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3706] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3705] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3703] <... futex resumed>) = 0 [pid 3706] <... futex resumed>) = 0 [pid 3705] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3704] +++ exited with 0 +++ [pid 3703] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3702] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3709] <... futex resumed>) = 0 [pid 3708] <... futex resumed>) = 1 [pid 3706] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3705] <... symlinkat resumed>) = 0 [pid 3702] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3701] <... futex resumed>) = 0 [pid 3709] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3708] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3706] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3705] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3702] <... futex resumed>) = 0 [pid 3701] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3709] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3708] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3706] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3705] <... futex resumed>) = 1 [pid 3703] <... futex resumed>) = 0 [pid 3702] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3701] <... futex resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3704, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3709] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3708] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3706] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3705] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3703] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3701] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3706] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3705] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3703] <... futex resumed>) = 0 [pid 3706] <... futex resumed>) = 1 [pid 3705] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3703] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3706] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3705] <... unlinkat resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3705] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3703] <... futex resumed>) = 0 [pid 3705] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3703] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3705] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3703] <... futex resumed>) = 0 [pid 3705] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3703] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3708] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3705] <... unlinkat resumed>) = 0 [pid 3702] <... futex resumed>) = 0 [pid 3709] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3708] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3705] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3702] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... restart_syscall resumed>) = 0 [pid 3709] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3708] <... futex resumed>) = 1 [pid 3705] <... futex resumed>) = 1 [pid 3703] <... futex resumed>) = 0 [pid 3701] <... futex resumed>) = 0 [pid 3709] <... mmap resumed>) = 0x7f85c0c15000 [pid 3708] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3706] <... futex resumed>) = 0 [pid 3705] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3703] exit_group(0 [pid 3702] <... futex resumed>) = 1 [pid 3701] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3709] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3708] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3706] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3705] <... futex resumed>) = ? [pid 3703] <... exit_group resumed>) = ? [pid 3702] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3701] <... futex resumed>) = 0 [pid 3709] <... mprotect resumed>) = 0 [pid 3708] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3706] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3705] +++ exited with 0 +++ [pid 3703] +++ exited with 0 +++ [pid 3701] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3706] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3708] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3709] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3706] <... futex resumed>) = 1 [pid 3702] <... futex resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3703, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3709] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3708] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3706] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3702] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3709] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3708] <... futex resumed>) = 1 [pid 3706] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3702] <... futex resumed>) = 0 [pid 3701] <... futex resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3708] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3706] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3702] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3701] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3706] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3706] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3702] <... futex resumed>) = 0 [pid 3706] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3702] exit_group(0 [pid 3709] <... clone3 resumed> => {parent_tid=[3710]}, 88) = 3710 [pid 3708] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3706] <... futex resumed>) = ? [pid 3702] <... exit_group resumed>) = ? [pid 3701] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3711 attached [pid 3709] rt_sigprocmask(SIG_SETMASK, [] [pid 3708] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3706] +++ exited with 0 +++ [pid 3702] +++ exited with 0 +++ [pid 3701] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3711 [pid 3709] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3708] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3702, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3709] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3708] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3709] <... futex resumed>) = 0 [pid 3708] <... futex resumed>) = 1 [pid 3709] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3701] <... futex resumed>) = 0 [pid 3708] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3708] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3701] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3708] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3701] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3710 attached [pid 3708] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3701] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3708] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3701] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3708] <... futex resumed>) = 0 [pid 3701] exit_group(0 [pid 3708] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3701] <... exit_group resumed>) = ? [pid 3710] set_robust_list(0x7f85c0c359a0, 24 [pid 3708] +++ exited with 0 +++ [pid 3710] <... set_robust_list resumed>) = 0 [pid 3710] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3710] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3710] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3709] <... futex resumed>) = 0 [pid 3709] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3701] +++ exited with 0 +++ [pid 3709] <... futex resumed>) = 0 [pid 3709] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3701, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3710] <... futex resumed>) = 1 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3710] mount(NULL, "./config", "configfs", 0, NULL [pid 3711] set_robust_list(0x5555810c5760, 24 [pid 3710] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3710] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3709] <... futex resumed>) = 0 [pid 3709] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3709] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3710] <... futex resumed>) = 1 [pid 3711] <... set_robust_list resumed>) = 0 [pid 3710] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3710] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3709] <... futex resumed>) = 0 [pid 3709] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... restart_syscall resumed>) = 0 [pid 3711] rt_sigprocmask(SIG_SETMASK, [] [pid 3709] <... futex resumed>) = 0 [pid 3709] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3710] <... futex resumed>) = 1 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3710] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3711] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3712 ci2-android-5-15/strace-static-x86_64: Process 3712 attached [pid 312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3712] set_robust_list(0x5555810c5760, 24) = 0 [pid 3711] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3710] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3712] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3712] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3712] setpgid(0, 0) = 0 [pid 3710] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3711] <... prctl resumed>) = 0 [pid 3710] <... futex resumed>) = 1 [pid 3709] <... futex resumed>) = 0 [pid 3709] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3709] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3710] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3711] setpgid(0, 0 [pid 3712] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 311] <... restart_syscall resumed>) = 0 [pid 3712] write(3, "1000", 4 [pid 3711] <... setpgid resumed>) = 0 [pid 3710] <... mkdirat resumed>) = 0 [pid 3712] <... write resumed>) = 4 [pid 3712] close(3 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3711] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3710] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3712] <... close resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3712] write(1, "executing program\n", 18) = 18 [pid 3712] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3712] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3711] <... openat resumed>) = 3 executing program [pid 3710] <... futex resumed>) = 1 [pid 3709] <... futex resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3713 [pid 3709] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3709] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3710] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 305] <... restart_syscall resumed>) = 0 [pid 3711] write(3, "1000", 4 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3711] <... write resumed>) = 4 [pid 3710] <... symlinkat resumed>) = 0 [pid 3711] close(3 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3710] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3711] <... close resumed>) = 0 [pid 3710] <... futex resumed>) = 1 [pid 3709] <... futex resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3709] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3709] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3712] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3712] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3712] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3711] write(1, "executing program\n", 18 [pid 3710] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3711] <... write resumed>) = 18 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3714 [pid 3712] <... mmap resumed>) = 0x7f85c0c15000 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3711] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3710] <... unlinkat resumed>) = 0 [pid 3711] <... futex resumed>) = 0 executing program [pid 3710] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3712] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 ci2-android-5-15/strace-static-x86_64: Process 3714 attached [pid 3712] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3711] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3710] <... futex resumed>) = 1 [pid 3709] <... futex resumed>) = 0 [pid 3709] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3709] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3712] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3711] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3710] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3711] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3712] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3711] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3710] <... unlinkat resumed>) = 0 [pid 3712] <... clone3 resumed> => {parent_tid=[3715]}, 88) = 3715 [pid 3711] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3710] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3711] <... mmap resumed>) = 0x7f85c0c15000 [pid 3710] <... futex resumed>) = 1 [pid 3711] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3709] <... futex resumed>) = 0 [pid 3711] <... mprotect resumed>) = 0 [pid 3710] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3709] exit_group(0 [pid 3712] rt_sigprocmask(SIG_SETMASK, [] [pid 3709] <... exit_group resumed>) = ? [pid 3711] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3710] <... futex resumed>) = ? [pid 3712] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3711] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3712] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3712] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3713 attached [pid 3713] set_robust_list(0x5555810c5760, 24) = 0 [pid 3713] rt_sigprocmask(SIG_SETMASK, [] [pid 3710] +++ exited with 0 +++ [pid 3709] +++ exited with 0 +++ [pid 3711] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3713] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3709, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3711] <... clone3 resumed> => {parent_tid=[3716]}, 88) = 3716 [pid 3713] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3711] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3713] <... prctl resumed>) = 0 [pid 3711] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 ci2-android-5-15/strace-static-x86_64: Process 3716 attached [pid 3714] set_robust_list(0x5555810c5760, 24 [pid 3711] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3713] setpgid(0, 0) = 0 [pid 3713] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3716] set_robust_list(0x7f85c0c359a0, 24 [pid 3714] <... set_robust_list resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3715 attached [pid 3715] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3715] rt_sigprocmask(SIG_SETMASK, [] [pid 3716] <... set_robust_list resumed>) = 0 [pid 3714] rt_sigprocmask(SIG_SETMASK, [] [pid 3715] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3715] mkdirat(AT_FDCWD, "./config", 0777 [pid 3714] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3715] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3715] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3712] <... futex resumed>) = 0 [pid 3712] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3712] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3715] <... futex resumed>) = 1 [pid 3715] mount(NULL, "./config", "configfs", 0, NULL [pid 3714] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3716] rt_sigprocmask(SIG_SETMASK, [] [pid 3715] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3714] <... prctl resumed>) = 0 [pid 3715] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3712] <... futex resumed>) = 0 [pid 3714] setpgid(0, 0 [pid 3712] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... restart_syscall resumed>) = 0 [pid 3712] <... futex resumed>) = 0 [pid 3714] <... setpgid resumed>) = 0 [pid 3712] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3715] <... futex resumed>) = 1 [pid 3715] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3714] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3715] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3715] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3712] <... futex resumed>) = 0 [pid 3712] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3712] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3715] <... futex resumed>) = 1 [pid 3714] <... openat resumed>) = 3 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3717 [pid 3714] write(3, "1000", 4) = 4 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3715] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3714] close(3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3715] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3714] <... close resumed>) = 0 [pid 3715] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3712] <... futex resumed>) = 0 [pid 3716] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3715] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3714] write(1, "executing program\n", 18 [pid 3713] <... openat resumed>) = 3 [pid 3712] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3715] <... mkdirat resumed>) = 0 executing program [pid 3716] mkdirat(AT_FDCWD, "./config", 0777 [pid 3714] <... write resumed>) = 18 [pid 3713] write(3, "1000", 4 [pid 3712] <... futex resumed>) = 0 [pid 3715] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3712] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3715] <... futex resumed>) = 0 [pid 3714] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3712] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3716] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3715] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3713] <... write resumed>) = 4 [pid 3712] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3716] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3715] <... symlinkat resumed>) = 0 [pid 3714] <... futex resumed>) = 0 [pid 3713] close(3 [pid 3712] <... futex resumed>) = 0 [pid 3715] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3714] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3712] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3715] <... futex resumed>) = 0 [pid 3714] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3712] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3715] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3714] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3712] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3715] <... unlinkat resumed>) = 0 [pid 3714] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3712] <... futex resumed>) = 0 [pid 3715] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3714] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3712] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3716] <... futex resumed>) = 1 [pid 3715] <... futex resumed>) = 0 [pid 3714] <... mmap resumed>) = 0x7f85c0c15000 [pid 3713] <... close resumed>) = 0 [pid 3712] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3711] <... futex resumed>) = 0 [pid 3716] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3715] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3714] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3713] write(1, "executing program\n", 18 [pid 3712] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3711] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3717 attached [pid 3716] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3715] <... unlinkat resumed>) = 0 executing program [pid 3714] <... mprotect resumed>) = 0 [pid 3713] <... write resumed>) = 18 [pid 3712] <... futex resumed>) = 0 [pid 3711] <... futex resumed>) = 0 [pid 3717] set_robust_list(0x5555810c5760, 24 [pid 3716] mount(NULL, "./config", "configfs", 0, NULL [pid 3715] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3714] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3713] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3712] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3711] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3717] <... set_robust_list resumed>) = 0 [pid 3716] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3715] <... futex resumed>) = 0 [pid 3714] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3713] <... futex resumed>) = 0 [pid 3712] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3717] rt_sigprocmask(SIG_SETMASK, [] [pid 3716] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3715] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3714] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3713] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3712] exit_group(0 [pid 3717] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3715] <... futex resumed>) = ? [pid 3712] <... exit_group resumed>) = ? [pid 3717] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3716] <... futex resumed>) = 1 [pid 3715] +++ exited with 0 +++ [pid 3713] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3712] +++ exited with 0 +++ [pid 3711] <... futex resumed>) = 0 [pid 3717] <... prctl resumed>) = 0 [pid 3716] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3714] <... clone3 resumed> => {parent_tid=[3718]}, 88) = 3718 [pid 3713] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3711] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3712, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3717] setpgid(0, 0 [pid 3716] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3714] rt_sigprocmask(SIG_SETMASK, [] [pid 3713] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3711] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3717] <... setpgid resumed>) = 0 [pid 3716] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3714] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3713] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3711] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3717] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3716] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3714] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3713] <... mmap resumed>) = 0x7f85c0c15000 [pid 3716] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3714] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3718 attached [pid 3714] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3713] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3716] <... futex resumed>) = 1 [pid 3717] <... openat resumed>) = 3 [pid 3711] <... futex resumed>) = 0 [pid 3713] <... mprotect resumed>) = 0 [pid 3716] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3711] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3713] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3711] <... futex resumed>) = 0 [pid 3717] write(3, "1000", 4 [pid 3716] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3711] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3713] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3716] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3717] <... write resumed>) = 4 [pid 3713] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3716] <... futex resumed>) = 1 [pid 3711] <... futex resumed>) = 0 [pid 3718] set_robust_list(0x7f85c0c359a0, 24 [pid 3711] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3718] <... set_robust_list resumed>) = 0 [pid 3716] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3711] <... futex resumed>) = 0 [pid 3717] close(3 [pid 3711] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3718] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3718] mkdirat(AT_FDCWD, "./config", 0777 [pid 3717] <... close resumed>) = 0 [pid 3716] <... mkdirat resumed>) = 0 [pid 3713] <... clone3 resumed> => {parent_tid=[3719]}, 88) = 3719 [pid 3717] write(1, "executing program\n", 18 [pid 3716] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 3713] rt_sigprocmask(SIG_SETMASK, [] [pid 3717] <... write resumed>) = 18 [pid 3716] <... futex resumed>) = 1 [pid 3713] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3711] <... futex resumed>) = 0 [pid 3717] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3716] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3713] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3711] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3717] <... futex resumed>) = 0 [pid 3716] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3713] <... futex resumed>) = 0 [pid 3711] <... futex resumed>) = 0 [pid 3717] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3716] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3713] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3711] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3717] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3716] <... symlinkat resumed>) = 0 [pid 3717] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3716] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3717] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3716] <... futex resumed>) = 1 [pid 3717] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3711] <... futex resumed>) = 0 [pid 3717] <... mmap resumed>) = 0x7f85c0c15000 [pid 3716] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3711] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3717] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3716] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3711] <... futex resumed>) = 0 [pid 3717] <... mprotect resumed>) = 0 [pid 3716] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3711] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3717] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3718] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3716] <... unlinkat resumed>) = 0 [pid 3717] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3716] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... restart_syscall resumed>) = 0 [pid 3717] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3711] <... futex resumed>) = 0 [pid 3716] <... futex resumed>) = 1 [pid 3711] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3718] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3711] <... futex resumed>) = 0 [pid 3716] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3711] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3718] <... futex resumed>) = 1 [pid 3714] <... futex resumed>) = 0 [pid 3718] mount(NULL, "./config", "configfs", 0, NULL [pid 3714] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3718] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3714] <... futex resumed>) = 0 [pid 3718] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3714] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3718] <... futex resumed>) = 0 [pid 3716] <... unlinkat resumed>) = 0 [pid 3714] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3721 [pid 3718] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3717] <... clone3 resumed> => {parent_tid=[3720]}, 88) = 3720 [pid 3716] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3714] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3718] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3717] rt_sigprocmask(SIG_SETMASK, [] [pid 3716] <... futex resumed>) = 1 [pid 3714] <... futex resumed>) = 0 [pid 3711] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3718] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3717] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3716] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3714] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3711] exit_group(0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3718] <... futex resumed>) = 0 [pid 3717] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3714] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3711] <... exit_group resumed>) = ? [pid 3718] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3717] <... futex resumed>) = 0 [pid 3716] <... futex resumed>) = ? [pid 3714] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3718] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3717] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3714] <... futex resumed>) = 0 [pid 3718] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3714] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3718] <... mkdirat resumed>) = -1 EEXIST (File exists) ci2-android-5-15/strace-static-x86_64: Process 3719 attached [pid 3718] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3719] set_robust_list(0x7f85c0c359a0, 24 [pid 3718] <... futex resumed>) = 1 [pid 3714] <... futex resumed>) = 0 [pid 3719] <... set_robust_list resumed>) = 0 [pid 3718] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3716] +++ exited with 0 +++ [pid 3714] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3711] +++ exited with 0 +++ [pid 3719] rt_sigprocmask(SIG_SETMASK, [] [pid 3718] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3714] <... futex resumed>) = 0 [pid 3719] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3718] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3714] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3711, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 3720 attached [pid 3719] mkdirat(AT_FDCWD, "./config", 0777 [pid 3718] <... mkdirat resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3719] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3718] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3719] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3718] <... futex resumed>) = 1 [pid 3714] <... futex resumed>) = 0 [pid 3719] <... futex resumed>) = 1 [pid 3718] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3714] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3713] <... futex resumed>) = 0 [pid 3719] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3718] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3714] <... futex resumed>) = 0 [pid 3713] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3719] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3718] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3714] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3713] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3721 attached [pid 3720] set_robust_list(0x7f85c0c359a0, 24 [pid 3719] mount(NULL, "./config", "configfs", 0, NULL [pid 3718] <... symlinkat resumed>) = 0 [pid 3713] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3720] <... set_robust_list resumed>) = 0 [pid 3721] set_robust_list(0x5555810c5760, 24 [pid 3719] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3718] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3721] <... set_robust_list resumed>) = 0 [pid 3719] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3718] <... futex resumed>) = 1 [pid 3714] <... futex resumed>) = 0 [pid 3720] rt_sigprocmask(SIG_SETMASK, [] [pid 3721] rt_sigprocmask(SIG_SETMASK, [] [pid 3719] <... futex resumed>) = 1 [pid 3718] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3714] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3713] <... futex resumed>) = 0 [pid 3721] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3719] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3718] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3714] <... futex resumed>) = 0 [pid 3713] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3720] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3721] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3719] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3718] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3714] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3713] <... futex resumed>) = 0 [pid 3720] mkdirat(AT_FDCWD, "./config", 0777 [pid 3721] <... prctl resumed>) = 0 [pid 3719] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3718] <... unlinkat resumed>) = 0 [pid 3713] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3721] setpgid(0, 0 [pid 3719] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3718] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3720] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3721] <... setpgid resumed>) = 0 [pid 3719] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3718] <... futex resumed>) = 1 [pid 3714] <... futex resumed>) = 0 [pid 3720] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3719] <... futex resumed>) = 1 [pid 3718] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3714] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3713] <... futex resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 3720] <... futex resumed>) = 1 [pid 3721] <... openat resumed>) = 3 [pid 3719] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3718] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3717] <... futex resumed>) = 0 [pid 3714] <... futex resumed>) = 0 [pid 3713] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3720] mount(NULL, "./config", "configfs", 0, NULL [pid 3721] write(3, "1000", 4 [pid 3719] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3718] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3717] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3714] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3713] <... futex resumed>) = 0 [pid 3720] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3721] <... write resumed>) = 4 [pid 3719] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3718] <... unlinkat resumed>) = 0 [pid 3717] <... futex resumed>) = 0 [pid 3713] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3720] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3721] close(3 [pid 3719] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3718] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3717] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3720] <... futex resumed>) = 0 [pid 3721] <... close resumed>) = 0 [pid 3719] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3718] <... futex resumed>) = 1 [pid 3717] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3714] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3720] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3721] write(1, "executing program\n", 18 [pid 3719] <... futex resumed>) = 1 executing program [pid 3718] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3717] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3714] exit_group(0 [pid 3713] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3720] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3721] <... write resumed>) = 18 [pid 3719] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3718] <... futex resumed>) = ? [pid 3717] <... futex resumed>) = 0 [pid 3714] <... exit_group resumed>) = ? [pid 3713] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3720] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3721] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3719] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3718] +++ exited with 0 +++ [pid 3717] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3714] +++ exited with 0 +++ [pid 3713] <... futex resumed>) = 0 [pid 3721] <... futex resumed>) = 0 [pid 3719] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3720] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3721] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3719] <... mkdirat resumed>) = 0 [pid 3713] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3720] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3721] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3719] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3713] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3714, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3722 [pid 3720] <... futex resumed>) = 1 [pid 3721] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3719] <... futex resumed>) = 0 [pid 3717] <... futex resumed>) = 0 [pid 3713] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3720] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3721] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3719] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3717] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3713] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3720] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3721] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3719] <... symlinkat resumed>) = 0 [pid 3717] <... futex resumed>) = 0 [pid 3713] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3720] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3721] <... mmap resumed>) = 0x7f85c0c15000 [pid 3719] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3717] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3713] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3720] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3721] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3719] <... futex resumed>) = 0 [pid 3713] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3720] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3721] <... mprotect resumed>) = 0 [pid 3719] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3713] <... futex resumed>) = 0 [pid 3720] <... futex resumed>) = 1 [pid 3721] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3719] <... unlinkat resumed>) = 0 [pid 3717] <... futex resumed>) = 0 [pid 3713] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3722 attached [pid 3720] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3721] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3719] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3717] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3713] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3722] set_robust_list(0x5555810c5760, 24 [pid 3720] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3721] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3719] <... futex resumed>) = 0 [pid 3717] <... futex resumed>) = 0 [pid 3713] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3723 attached [pid 3722] <... set_robust_list resumed>) = 0 [pid 3720] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3719] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3717] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3713] <... futex resumed>) = 0 [pid 3723] set_robust_list(0x7f85c0c359a0, 24 [pid 3722] rt_sigprocmask(SIG_SETMASK, [] [pid 3720] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3721] <... clone3 resumed> => {parent_tid=[3723]}, 88) = 3723 [pid 3719] <... unlinkat resumed>) = 0 [pid 3713] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3722] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3720] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3721] rt_sigprocmask(SIG_SETMASK, [] [pid 3719] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3713] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3723] <... set_robust_list resumed>) = 0 [pid 3722] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3720] <... futex resumed>) = 1 [pid 3721] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3719] <... futex resumed>) = 0 [pid 3717] <... futex resumed>) = 0 [pid 3713] exit_group(0 [pid 3722] <... prctl resumed>) = 0 [pid 3720] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3721] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3719] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3717] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... restart_syscall resumed>) = 0 [pid 3723] rt_sigprocmask(SIG_SETMASK, [] [pid 3722] setpgid(0, 0 [pid 3720] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3721] <... futex resumed>) = 0 [pid 3719] +++ exited with 0 +++ [pid 3717] <... futex resumed>) = 0 [pid 3713] <... exit_group resumed>) = ? [pid 3722] <... setpgid resumed>) = 0 [pid 3720] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3721] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3717] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3722] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3713] +++ exited with 0 +++ [pid 3722] write(3, "1000", 4) = 4 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3713, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3722] close(3) = 0 [pid 3720] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3722] write(1, "executing program\n", 18 [pid 3720] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3723] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3722] <... write resumed>) = 18 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 3722] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3720] <... futex resumed>) = 1 [pid 3717] <... futex resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3722] <... futex resumed>) = 0 [pid 3720] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3717] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3722] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3722] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3722] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3722] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3720] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3717] <... futex resumed>) = 0 [pid 3722] <... mprotect resumed>) = 0 [pid 3720] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3717] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3724 [pid 3722] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3720] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3722] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3720] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3722] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3720] <... futex resumed>) = 1 [pid 3717] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3720] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3717] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3722] <... clone3 resumed> => {parent_tid=[3725]}, 88) = 3725 [pid 3720] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3717] <... futex resumed>) = 0 [pid 3722] rt_sigprocmask(SIG_SETMASK, [] [pid 3720] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3717] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3722] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3720] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3723] mkdirat(AT_FDCWD, "./config", 0777 [pid 3722] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3720] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3722] <... futex resumed>) = 0 [pid 3723] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3722] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3720] <... futex resumed>) = 1 [pid 3717] <... futex resumed>) = 0 [pid 3723] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3720] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3717] exit_group(0 [pid 3723] <... futex resumed>) = 1 [pid 3721] <... futex resumed>) = 0 [pid 3720] <... futex resumed>) = ? [pid 3721] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3717] <... exit_group resumed>) = ? [pid 3720] +++ exited with 0 +++ [pid 3721] <... futex resumed>) = 0 [pid 3721] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3724 attached [pid 3724] set_robust_list(0x5555810c5760, 24) = 0 [pid 3724] rt_sigprocmask(SIG_SETMASK, [] [pid 3717] +++ exited with 0 +++ [pid 3724] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3724] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3723] mount(NULL, "./config", "configfs", 0, NULL [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3717, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3724] <... prctl resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3724] setpgid(0, 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 3723] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3724] <... setpgid resumed>) = 0 [pid 3724] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3723] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3721] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3721] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3723] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3721] <... futex resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3724] <... openat resumed>) = 3 [pid 3723] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3721] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3724] write(3, "1000", 4) = 4 [pid 3724] close(3) = 0 [pid 3723] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3726 [pid 3721] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3723] <... futex resumed>) = 1 [pid 3721] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3723] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3721] <... futex resumed>) = 0 [pid 3724] write(1, "executing program\n", 18 [pid 3721] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3723] <... mkdirat resumed>) = -1 EEXIST (File exists) ci2-android-5-15/strace-static-x86_64: Process 3725 attached [pid 3724] <... write resumed>) = 18 [pid 3724] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3723] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 3725] set_robust_list(0x7f85c0c359a0, 24 [pid 3724] <... futex resumed>) = 0 [pid 3724] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3724] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3725] <... set_robust_list resumed>) = 0 [pid 3723] <... futex resumed>) = 1 [pid 3721] <... futex resumed>) = 0 [pid 3724] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3723] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3721] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3724] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3721] <... futex resumed>) = 0 [pid 3724] <... mmap resumed>) = 0x7f85c0c15000 [pid 3721] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3724] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3723] <... mkdirat resumed>) = 0 [pid 3724] <... mprotect resumed>) = 0 [pid 3725] rt_sigprocmask(SIG_SETMASK, [] [pid 3724] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3723] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3724] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3723] <... futex resumed>) = 1 [pid 3721] <... futex resumed>) = 0 [pid 3723] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3721] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3723] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3721] <... futex resumed>) = 0 [pid 3723] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3721] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3726 attached [pid 3724] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3723] <... symlinkat resumed>) = 0 [pid 3726] set_robust_list(0x5555810c5760, 24 [pid 3723] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3726] <... set_robust_list resumed>) = 0 [pid 3724] <... clone3 resumed> => {parent_tid=[3727]}, 88) = 3727 [pid 3723] <... futex resumed>) = 1 [pid 3721] <... futex resumed>) = 0 [pid 3725] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3723] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3721] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3723] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3721] <... futex resumed>) = 0 [pid 3725] mkdirat(AT_FDCWD, "./config", 0777 [pid 3723] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3721] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... restart_syscall resumed>) = 0 [pid 3725] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3723] <... unlinkat resumed>) = 0 [pid 3723] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3727 attached [pid 3726] rt_sigprocmask(SIG_SETMASK, [] [pid 3725] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3724] rt_sigprocmask(SIG_SETMASK, [] [pid 3723] <... futex resumed>) = 1 [pid 3721] <... futex resumed>) = 0 [pid 3726] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3725] <... futex resumed>) = 1 [pid 3724] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3723] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3722] <... futex resumed>) = 0 [pid 3721] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3726] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3725] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3724] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3723] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3722] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3721] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3726] <... prctl resumed>) = 0 [pid 3725] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3724] <... futex resumed>) = 0 [pid 3723] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3722] <... futex resumed>) = 0 [pid 3721] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3726] setpgid(0, 0 [pid 3724] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3722] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3723] <... unlinkat resumed>) = 0 [pid 3726] <... setpgid resumed>) = 0 [pid 3726] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3725] mount(NULL, "./config", "configfs", 0, NULL [pid 3723] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3726] write(3, "1000", 4 [pid 3723] <... futex resumed>) = 1 [pid 3721] <... futex resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3728 [pid 3725] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3723] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3721] exit_group(0 [pid 3726] <... write resumed>) = 4 [pid 3721] <... exit_group resumed>) = ? [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3723] <... futex resumed>) = -1 ENOSYS (Function not implemented) [pid 3726] close(3 [pid 3725] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3726] <... close resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3726] write(1, "executing program\n", 18) = 18 [pid 3726] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3726] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3726] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3726] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3723] +++ exited with 0 +++ [pid 3721] +++ exited with 0 +++ [pid 3726] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 executing program [pid 3725] <... futex resumed>) = 1 [pid 3722] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3721, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3726] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3722] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3726] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3725] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3722] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3726] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3722] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3729 attached ci2-android-5-15/strace-static-x86_64: Process 3728 attached [pid 3727] set_robust_list(0x7f85c0c359a0, 24 [pid 3725] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3726] <... clone3 resumed> => {parent_tid=[3729]}, 88) = 3729 [pid 3726] rt_sigprocmask(SIG_SETMASK, [] [pid 3725] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3722] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3726] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3725] <... futex resumed>) = 0 [pid 3722] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3726] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3725] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3722] <... futex resumed>) = 0 [pid 3726] <... futex resumed>) = 0 [pid 3726] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3725] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3722] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3725] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3722] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3725] <... futex resumed>) = 0 [pid 3722] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3727] <... set_robust_list resumed>) = 0 [pid 3725] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3722] <... futex resumed>) = 0 [pid 3729] set_robust_list(0x7f85c0c359a0, 24 [pid 3727] rt_sigprocmask(SIG_SETMASK, [] [pid 3725] <... mkdirat resumed>) = 0 [pid 3722] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3727] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3725] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3722] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3725] <... futex resumed>) = 0 [pid 3722] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3725] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3722] <... futex resumed>) = 0 [pid 3727] mkdirat(AT_FDCWD, "./config", 0777 [pid 3729] <... set_robust_list resumed>) = 0 [pid 3725] <... symlinkat resumed>) = 0 [pid 3722] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3727] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3725] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3722] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3728] set_robust_list(0x5555810c5760, 24 [pid 3727] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3725] <... futex resumed>) = 0 [pid 3722] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3725] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3722] <... futex resumed>) = 0 [pid 3729] rt_sigprocmask(SIG_SETMASK, [] [pid 3728] <... set_robust_list resumed>) = 0 [pid 3727] <... futex resumed>) = 1 [pid 3725] <... unlinkat resumed>) = 0 [pid 3724] <... futex resumed>) = 0 [pid 3722] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3729] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3727] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3725] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3724] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3722] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3729] mkdirat(AT_FDCWD, "./config", 0777 [pid 3728] rt_sigprocmask(SIG_SETMASK, [] [pid 3727] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3725] <... futex resumed>) = 0 [pid 3724] <... futex resumed>) = 0 [pid 3722] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3729] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3728] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3727] mount(NULL, "./config", "configfs", 0, NULL [pid 3725] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3724] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3722] <... futex resumed>) = 0 [pid 3729] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3725] <... unlinkat resumed>) = 0 [pid 3722] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3725] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3727] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3725] <... futex resumed>) = 0 [pid 3722] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3725] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3727] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3722] exit_group(0 [pid 3728] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3725] <... futex resumed>) = ? [pid 3722] <... exit_group resumed>) = ? [pid 3729] <... futex resumed>) = 1 [pid 3728] <... prctl resumed>) = 0 [pid 3727] <... futex resumed>) = 1 [pid 3726] <... futex resumed>) = 0 [pid 3724] <... futex resumed>) = 0 [pid 3729] mount(NULL, "./config", "configfs", 0, NULL [pid 3726] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3725] +++ exited with 0 +++ [pid 3724] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3729] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3726] <... futex resumed>) = 0 [pid 3724] <... futex resumed>) = 0 [pid 3729] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3726] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3724] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3729] <... futex resumed>) = 0 [pid 3726] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3722] +++ exited with 0 +++ [pid 3729] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3728] setpgid(0, 0 [pid 3727] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3726] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3729] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3726] <... futex resumed>) = 0 [pid 3729] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3728] <... setpgid resumed>) = 0 [pid 3727] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3726] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3722, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3729] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3729] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3727] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3729] <... futex resumed>) = 1 [pid 3728] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3726] <... futex resumed>) = 0 [pid 3729] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3727] <... futex resumed>) = 1 [pid 3726] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3724] <... futex resumed>) = 0 [pid 3729] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3726] <... futex resumed>) = 0 [pid 3724] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3729] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3726] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3724] <... futex resumed>) = 0 [pid 3729] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3728] <... openat resumed>) = 3 [pid 3727] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3724] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3729] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3726] <... futex resumed>) = 0 [pid 3729] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3726] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3729] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3726] <... futex resumed>) = 0 [pid 3729] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3726] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3729] <... mkdirat resumed>) = 0 [pid 3728] write(3, "1000", 4 [pid 3727] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3729] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3728] <... write resumed>) = 4 [pid 3727] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3729] <... futex resumed>) = 1 [pid 3728] close(3 [pid 3727] <... futex resumed>) = 1 [pid 3726] <... futex resumed>) = 0 [pid 3728] <... close resumed>) = 0 [pid 3727] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3726] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3724] <... futex resumed>) = 0 [pid 3729] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3728] write(1, "executing program\n", 18 [pid 3726] <... futex resumed>) = 0 [pid 3724] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3728] <... write resumed>) = 18 [pid 3726] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3729] <... symlinkat resumed>) = 0 [pid 3728] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3727] <... futex resumed>) = 0 executing program [pid 3724] <... futex resumed>) = 1 [pid 3729] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3728] <... futex resumed>) = 0 [pid 3727] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3724] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3729] <... futex resumed>) = 1 [pid 3728] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3727] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3726] <... futex resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 3729] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3728] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3727] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3726] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3724] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3729] <... unlinkat resumed>) = 0 [pid 3728] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3727] <... futex resumed>) = 0 [pid 3726] <... futex resumed>) = 0 [pid 3724] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3729] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3728] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3727] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3726] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3724] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3729] <... futex resumed>) = 0 [pid 3728] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3726] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3724] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3729] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3728] <... mmap resumed>) = 0x7f85c0c15000 [pid 3727] <... symlinkat resumed>) = 0 [pid 3726] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3729] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3728] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3727] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3726] <... futex resumed>) = 0 [pid 3724] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3729] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3728] <... mprotect resumed>) = 0 [pid 3727] <... futex resumed>) = 0 [pid 3726] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3724] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3731 attached ci2-android-5-15/strace-static-x86_64: Process 3730 attached [pid 3729] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3728] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3727] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3724] <... futex resumed>) = 0 [pid 3729] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3724] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3729] <... futex resumed>) = 1 [pid 3726] <... futex resumed>) = 0 [pid 3729] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3726] exit_group(0 [pid 3729] <... futex resumed>) = ? [pid 3728] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3727] <... unlinkat resumed>) = 0 [pid 3726] <... exit_group resumed>) = ? [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3730 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3731 [pid 3731] set_robust_list(0x5555810c5760, 24 [pid 3730] set_robust_list(0x5555810c5760, 24 [pid 3729] +++ exited with 0 +++ [pid 3728] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3727] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3731] <... set_robust_list resumed>) = 0 [pid 3730] <... set_robust_list resumed>) = 0 [pid 3727] <... futex resumed>) = 1 [pid 3726] +++ exited with 0 +++ [pid 3724] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3731] rt_sigprocmask(SIG_SETMASK, [] [pid 3730] rt_sigprocmask(SIG_SETMASK, [] [pid 3728] <... clone3 resumed> => {parent_tid=[3732]}, 88) = 3732 [pid 3727] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3724] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3726, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3731] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3730] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3728] rt_sigprocmask(SIG_SETMASK, [] [pid 3727] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3724] <... futex resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3731] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3730] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3728] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3727] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3724] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3731] <... prctl resumed>) = 0 [pid 3730] <... prctl resumed>) = 0 [pid 3728] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3727] <... unlinkat resumed>) = 0 [pid 3731] setpgid(0, 0 [pid 3730] setpgid(0, 0 [pid 3728] <... futex resumed>) = 0 [pid 3727] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3731] <... setpgid resumed>) = 0 [pid 3730] <... setpgid resumed>) = 0 [pid 3728] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3727] <... futex resumed>) = 1 ci2-android-5-15/strace-static-x86_64: Process 3732 attached [pid 3731] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3730] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3727] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3724] <... futex resumed>) = 0 [pid 3732] set_robust_list(0x7f85c0c359a0, 24 [pid 3731] <... openat resumed>) = 3 [pid 3724] exit_group(0 [pid 3732] <... set_robust_list resumed>) = 0 [pid 3727] <... futex resumed>) = ? [pid 3724] <... exit_group resumed>) = ? [pid 3732] rt_sigprocmask(SIG_SETMASK, [] [pid 3731] write(3, "1000", 4 [pid 3730] <... openat resumed>) = 3 [pid 3727] +++ exited with 0 +++ [pid 3731] <... write resumed>) = 4 [pid 3730] write(3, "1000", 4 [pid 3731] close(3 [pid 3730] <... write resumed>) = 4 [pid 3724] +++ exited with 0 +++ [pid 3732] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3731] <... close resumed>) = 0 [pid 3730] close(3 [pid 3731] write(1, "executing program\n", 18 [pid 3730] <... close resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3724, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3732] mkdirat(AT_FDCWD, "./config", 0777 [pid 3731] <... write resumed>) = 18 executing program [pid 3730] write(1, "executing program\n", 18 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3731] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3730] <... write resumed>) = 18 [pid 3731] <... futex resumed>) = 0 executing program [pid 3731] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3730] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3731] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3731] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3730] <... futex resumed>) = 0 [pid 3731] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3731] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3730] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3731] <... mmap resumed>) = 0x7f85c0c15000 [pid 3731] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3730] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3731] <... mprotect resumed>) = 0 [pid 3730] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3732] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3731] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3730] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3731] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3730] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3731] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3730] <... mmap resumed>) = 0x7f85c0c15000 ci2-android-5-15/strace-static-x86_64: Process 3733 attached [pid 3732] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3730] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3731] <... clone3 resumed> => {parent_tid=[3733]}, 88) = 3733 [pid 3730] <... mprotect resumed>) = 0 [pid 3731] rt_sigprocmask(SIG_SETMASK, [] [pid 3730] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3731] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3730] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3731] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3730] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3731] <... futex resumed>) = 0 [pid 3731] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3730] <... clone3 resumed> => {parent_tid=[3734]}, 88) = 3734 [pid 3730] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3730] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3730] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3733] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3733] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3733] mkdirat(AT_FDCWD, "./config", 0777ci2-android-5-15/strace-static-x86_64: Process 3734 attached [pid 3732] <... futex resumed>) = 1 [pid 3728] <... futex resumed>) = 0 [pid 3733] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3728] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3733] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3728] <... futex resumed>) = 0 [pid 3733] <... futex resumed>) = 1 [pid 3731] <... futex resumed>) = 0 [pid 3728] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3733] mount(NULL, "./config", "configfs", 0, NULL [pid 3731] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3733] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3731] <... futex resumed>) = 0 [pid 3733] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3731] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3733] <... futex resumed>) = 0 [pid 3731] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] <... restart_syscall resumed>) = 0 [pid 3733] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3731] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3733] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3732] mount(NULL, "./config", "configfs", 0, NULL [pid 3731] <... futex resumed>) = 0 [pid 3733] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3731] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... restart_syscall resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3733] <... futex resumed>) = 0 [pid 3731] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3733] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3731] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3734] set_robust_list(0x7f85c0c359a0, 24 [pid 3733] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3732] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3731] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3735 attached [pid 3734] <... set_robust_list resumed>) = 0 [pid 3732] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3734] rt_sigprocmask(SIG_SETMASK, [] [pid 3732] <... futex resumed>) = 1 [pid 3728] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3734] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3732] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3728] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3734] mkdirat(AT_FDCWD, "./config", 0777 [pid 3732] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3728] <... futex resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3735] set_robust_list(0x5555810c5760, 24 [pid 3734] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3733] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3732] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3731] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3728] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3735 ci2-android-5-15/strace-static-x86_64: Process 3736 attached [pid 3735] <... set_robust_list resumed>) = 0 [pid 3734] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3733] <... futex resumed>) = 0 [pid 3732] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3731] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3736] set_robust_list(0x5555810c5760, 24 [pid 3734] <... futex resumed>) = 1 [pid 3733] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3732] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3731] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3730] <... futex resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3736 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3736] <... set_robust_list resumed>) = 0 [pid 3734] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3733] <... mkdirat resumed>) = 0 [pid 3732] <... futex resumed>) = 1 [pid 3731] <... futex resumed>) = 0 [pid 3730] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3728] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3736] rt_sigprocmask(SIG_SETMASK, [] [pid 3734] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3733] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3732] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3731] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3730] <... futex resumed>) = 0 [pid 3728] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3736] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3734] mount(NULL, "./config", "configfs", 0, NULL [pid 3733] <... futex resumed>) = 0 [pid 3732] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3731] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3730] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3728] <... futex resumed>) = 0 [pid 3736] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3735] rt_sigprocmask(SIG_SETMASK, [] [pid 3734] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3733] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3732] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3731] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3728] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3736] <... prctl resumed>) = 0 [pid 3734] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3733] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3732] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3731] <... futex resumed>) = 0 [pid 3736] setpgid(0, 0 [pid 3734] <... futex resumed>) = 1 [pid 3733] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3732] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3731] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3730] <... futex resumed>) = 0 [pid 3736] <... setpgid resumed>) = 0 [pid 3734] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3733] <... symlinkat resumed>) = 0 [pid 3732] <... futex resumed>) = 1 [pid 3728] <... futex resumed>) = 0 [pid 3736] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3734] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3733] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3732] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3730] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3728] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3736] <... openat resumed>) = 3 [pid 3735] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3734] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3733] <... futex resumed>) = 1 [pid 3732] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3731] <... futex resumed>) = 0 [pid 3730] <... futex resumed>) = 0 [pid 3728] <... futex resumed>) = 0 [pid 3736] write(3, "1000", 4 [pid 3734] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3733] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3732] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3731] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3730] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3728] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3736] <... write resumed>) = 4 [pid 3735] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3734] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3733] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3732] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3731] <... futex resumed>) = 0 [pid 3730] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3736] close(3 [pid 3735] <... prctl resumed>) = 0 [pid 3734] <... futex resumed>) = 0 [pid 3733] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3732] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3731] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3730] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3736] <... close resumed>) = 0 [pid 3735] setpgid(0, 0 [pid 3734] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3733] <... unlinkat resumed>) = 0 [pid 3732] <... futex resumed>) = 1 [pid 3730] <... futex resumed>) = 0 [pid 3728] <... futex resumed>) = 0 [pid 3736] write(1, "executing program\n", 18 [pid 3735] <... setpgid resumed>) = 0 [pid 3734] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3733] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3732] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3730] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3728] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3736] <... write resumed>) = 18 executing program [pid 3734] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3733] <... futex resumed>) = 1 [pid 3732] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3731] <... futex resumed>) = 0 [pid 3730] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3728] <... futex resumed>) = 0 [pid 3736] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3735] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3734] <... futex resumed>) = 0 [pid 3733] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3732] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3731] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3730] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3728] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3736] <... futex resumed>) = 0 [pid 3735] <... openat resumed>) = 3 [pid 3734] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3733] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3732] <... symlinkat resumed>) = 0 [pid 3731] <... futex resumed>) = 0 [pid 3730] <... futex resumed>) = 0 [pid 3736] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3735] write(3, "1000", 4 [pid 3734] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3733] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3732] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3731] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3730] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3736] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3735] <... write resumed>) = 4 [pid 3734] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3733] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3732] <... futex resumed>) = 1 [pid 3730] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3728] <... futex resumed>) = 0 [pid 3736] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3735] close(3 [pid 3734] <... futex resumed>) = 0 [pid 3733] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3732] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3730] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3728] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3736] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3735] <... close resumed>) = 0 [pid 3734] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3733] <... futex resumed>) = 1 [pid 3732] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3731] <... futex resumed>) = 0 [pid 3730] <... futex resumed>) = 0 [pid 3728] <... futex resumed>) = 0 [pid 3736] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3735] write(1, "executing program\n", 18 [pid 3734] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3733] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL executing program [pid 3732] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3731] exit_group(0 [pid 3730] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3728] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3736] <... mmap resumed>) = 0x7f85c0c15000 [pid 3735] <... write resumed>) = 18 [pid 3734] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3733] <... futex resumed>) = ? [pid 3732] <... unlinkat resumed>) = 0 [pid 3731] <... exit_group resumed>) = ? [pid 3730] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3736] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3735] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3734] <... futex resumed>) = 0 [pid 3733] +++ exited with 0 +++ [pid 3732] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3736] <... mprotect resumed>) = 0 [pid 3735] <... futex resumed>) = 0 [pid 3734] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3732] <... futex resumed>) = 1 [pid 3731] +++ exited with 0 +++ [pid 3730] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3728] <... futex resumed>) = 0 [pid 3736] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3735] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3734] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3732] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3730] <... futex resumed>) = 0 [pid 3728] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3731, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3736] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3735] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3734] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3732] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3730] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3728] <... futex resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3736] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3735] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3734] <... futex resumed>) = 0 [pid 3732] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3730] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3728] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3737 attached [pid 3735] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3734] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3732] <... unlinkat resumed>) = 0 [pid 3730] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3736] <... clone3 resumed> => {parent_tid=[3737]}, 88) = 3737 [pid 3735] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3734] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3732] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3730] <... futex resumed>) = 0 [pid 3736] rt_sigprocmask(SIG_SETMASK, [] [pid 3735] <... mmap resumed>) = 0x7f85c0c15000 [pid 3734] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3732] <... futex resumed>) = 1 [pid 3730] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3728] <... futex resumed>) = 0 [pid 3736] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3735] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3734] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3732] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3728] exit_group(0 [pid 3737] set_robust_list(0x7f85c0c359a0, 24 [pid 3736] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3735] <... mprotect resumed>) = 0 [pid 3734] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3737] <... set_robust_list resumed>) = 0 [pid 3736] <... futex resumed>) = 0 [pid 3735] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3734] <... futex resumed>) = 1 [pid 3732] <... futex resumed>) = ? [pid 3730] <... futex resumed>) = 0 [pid 3728] <... exit_group resumed>) = ? [pid 304] <... restart_syscall resumed>) = 0 [pid 3736] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3735] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3734] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3732] +++ exited with 0 +++ [pid 3730] exit_group(0 [pid 3735] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3734] <... futex resumed>) = ? [pid 3730] <... exit_group resumed>) = ? [pid 3737] rt_sigprocmask(SIG_SETMASK, [] [pid 3734] +++ exited with 0 +++ [pid 3730] +++ exited with 0 +++ [pid 3728] +++ exited with 0 +++ [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3735] <... clone3 resumed> => {parent_tid=[3738]}, 88) = 3738 [pid 3737] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3735] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3735] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3730, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3728, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3737] mkdirat(AT_FDCWD, "./config", 0777 [pid 3735] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3735] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3738 attached [pid 3738] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3738] rt_sigprocmask(SIG_SETMASK, [] [pid 3737] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3739 [pid 3738] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3737] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3737] <... futex resumed>) = 1 [pid 3736] <... futex resumed>) = 0 [pid 3736] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3737] mount(NULL, "./config", "configfs", 0, NULL [pid 3736] <... futex resumed>) = 0 [pid 3736] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3738] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3737] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3738] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3735] <... futex resumed>) = 0 [pid 3735] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3735] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3737] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3738] <... futex resumed>) = 1 [pid 3738] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3737] <... futex resumed>) = 1 [pid 3736] <... futex resumed>) = 0 [pid 3738] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3737] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3736] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3737] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3736] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3735] <... futex resumed>) = 0 [pid 3735] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3737] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3735] <... futex resumed>) = 0 [pid 3735] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3738] <... futex resumed>) = 1 [pid 3738] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3738] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3735] <... futex resumed>) = 0 [pid 3735] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3735] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3738] <... futex resumed>) = 1 [pid 3738] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3738] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3735] <... futex resumed>) = 0 [pid 3735] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3735] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3738] <... futex resumed>) = 1 [pid 3738] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3738] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3735] <... futex resumed>) = 0 [pid 3735] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3735] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3738] <... futex resumed>) = 1 [pid 3738] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3737] <... futex resumed>) = 1 [pid 3736] <... futex resumed>) = 0 [pid 3738] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3737] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 3736] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3738] <... futex resumed>) = 1 [pid 3737] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3736] <... futex resumed>) = 0 [pid 3736] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3735] <... futex resumed>) = 0 [pid 3738] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3737] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3737] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3738] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3735] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3737] <... futex resumed>) = 1 [pid 3736] <... futex resumed>) = 0 [pid 3738] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3737] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3736] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3735] <... futex resumed>) = 0 [pid 3736] <... futex resumed>) = 0 [pid 3735] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3737] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3736] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3738] <... unlinkat resumed>) = 0 [pid 3737] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777ci2-android-5-15/strace-static-x86_64: Process 3739 attached [pid 3738] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3737] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3739] set_robust_list(0x5555810c5760, 24 [pid 3737] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3738] <... futex resumed>) = 1 [pid 3737] <... futex resumed>) = 1 [pid 3738] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3736] <... futex resumed>) = 0 [pid 3737] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3736] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3737] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3736] <... futex resumed>) = 0 [pid 3737] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3736] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3735] <... futex resumed>) = 0 [pid 3735] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3738] <... futex resumed>) = 0 [pid 3737] <... symlinkat resumed>) = 0 [pid 3735] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3738] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3737] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3739] <... set_robust_list resumed>) = 0 [pid 3737] <... futex resumed>) = 1 [pid 3736] <... futex resumed>) = 0 [pid 3738] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3737] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3738] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3736] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3737] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3736] <... futex resumed>) = 0 [pid 3735] <... futex resumed>) = 0 [pid 3735] exit_group(0 [pid 3736] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3735] <... exit_group resumed>) = ? [pid 3738] <... futex resumed>) = ? [pid 3737] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3739] rt_sigprocmask(SIG_SETMASK, [] [pid 3737] <... unlinkat resumed>) = 0 [pid 3739] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3739] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3739] setpgid(0, 0) = 0 [pid 3739] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3738] +++ exited with 0 +++ [pid 3735] +++ exited with 0 +++ [pid 3737] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3735, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3737] <... futex resumed>) = 1 [pid 3736] <... futex resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3737] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3736] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3736] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3739] <... openat resumed>) = 3 [pid 3737] <... unlinkat resumed>) = 0 [pid 3739] write(3, "1000", 4 [pid 3737] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3739] <... write resumed>) = 4 [pid 3736] <... futex resumed>) = 0 [pid 3737] <... futex resumed>) = 1 [pid 3739] close(3 [pid 3737] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3736] exit_group(0 [pid 311] <... restart_syscall resumed>) = 0 [pid 3737] <... futex resumed>) = ? [pid 3736] <... exit_group resumed>) = ? [pid 3739] <... close resumed>) = 0 [pid 3739] write(1, "executing program\n", 18) = 18 [pid 3739] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3739] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3739] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3739] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3739] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3739] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3739] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 305] <... restart_syscall resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3740 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3737] +++ exited with 0 +++ [pid 3736] +++ exited with 0 +++ [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 3741 attached [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3736, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3741 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3739] <... mprotect resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3739] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... restart_syscall resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3739] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3739] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[3742]}, 88) = 3742 [pid 3739] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3739] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3743 [pid 3739] <... futex resumed>) = 0 [pid 3739] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3743 attached [pid 3743] set_robust_list(0x5555810c5760, 24) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3744 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3743] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3741] set_robust_list(0x5555810c5760, 24 [pid 3743] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3743] setpgid(0, 0) = 0 [pid 3743] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3743] write(3, "1000", 4) = 4 [pid 3743] close(3) = 0 [pid 3741] <... set_robust_list resumed>) = 0 executing program [pid 3743] write(1, "executing program\n", 18) = 18 [pid 3743] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3743] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3743] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3743] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3743] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3743] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3743] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[3745]}, 88) = 3745 [pid 3743] rt_sigprocmask(SIG_SETMASK, [] [pid 3741] rt_sigprocmask(SIG_SETMASK, [] [pid 3743] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3743] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3741] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3743] <... futex resumed>) = 0 [pid 3743] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3740 attached [pid 3740] set_robust_list(0x5555810c5760, 24) = 0 [pid 3740] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3740] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3740] setpgid(0, 0) = 0 [pid 3740] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3741] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3740] <... openat resumed>) = 3 [pid 3740] write(3, "1000", 4) = 4 [pid 3740] close(3) = 0 [pid 3740] write(1, "executing program\n", 18) = 18 executing program [pid 3740] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3740] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3740] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3740] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3740] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3740] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3740] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3741] <... prctl resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3744 attached ci2-android-5-15/strace-static-x86_64: Process 3742 attached [pid 3741] setpgid(0, 0 [pid 3740] <... clone3 resumed> => {parent_tid=[3746]}, 88) = 3746 [pid 3741] <... setpgid resumed>) = 0 [pid 3740] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3740] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3740] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3745 attached [pid 3745] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3745] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3741] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3744] set_robust_list(0x5555810c5760, 24 [pid 3745] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3745] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3743] <... futex resumed>) = 0 [pid 3743] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3743] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3744] <... set_robust_list resumed>) = 0 [pid 3741] write(3, "1000", 4 [pid 3745] <... futex resumed>) = 1 [pid 3745] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3741] <... write resumed>) = 4 [pid 3745] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3743] <... futex resumed>) = 0 [pid 3743] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3743] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3745] <... futex resumed>) = 1 [pid 3745] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3744] rt_sigprocmask(SIG_SETMASK, [] [pid 3741] close(3 [pid 3745] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3745] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3743] <... futex resumed>) = 0 [pid 3743] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3743] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3745] <... futex resumed>) = 1 [pid 3745] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3745] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3743] <... futex resumed>) = 0 [pid 3743] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3744] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3741] <... close resumed>) = 0 [pid 3743] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3741] write(1, "executing program\n", 18ci2-android-5-15/strace-static-x86_64: Process 3746 attached [pid 3745] <... futex resumed>) = 1 [pid 3744] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3745] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3744] <... prctl resumed>) = 0 executing program [pid 3741] <... write resumed>) = 18 [pid 3741] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3744] setpgid(0, 0) = 0 [pid 3741] <... futex resumed>) = 0 [pid 3741] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3744] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3741] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3741] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3744] <... openat resumed>) = 3 [pid 3741] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3745] <... mkdirat resumed>) = 0 [pid 3744] write(3, "1000", 4 [pid 3741] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3746] set_robust_list(0x7f85c0c359a0, 24 [pid 3742] set_robust_list(0x7f85c0c359a0, 24 [pid 3741] <... mmap resumed>) = 0x7f85c0c15000 [pid 3744] <... write resumed>) = 4 [pid 3741] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3744] close(3 [pid 3741] <... mprotect resumed>) = 0 [pid 3745] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3743] <... futex resumed>) = 0 [pid 3741] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3744] <... close resumed>) = 0 [pid 3743] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3741] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3743] <... futex resumed>) = 0 [pid 3744] write(1, "executing program\n", 18 [pid 3743] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3741] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3745] <... futex resumed>) = 1 [pid 3745] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3744] <... write resumed>) = 18 executing program [pid 3745] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3744] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3741] <... clone3 resumed> => {parent_tid=[3747]}, 88) = 3747 [pid 3744] <... futex resumed>) = 0 [pid 3741] rt_sigprocmask(SIG_SETMASK, [] [pid 3744] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3741] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3744] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3741] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3744] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3746] <... set_robust_list resumed>) = 0 [pid 3743] <... futex resumed>) = 0 [pid 3744] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3743] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3741] <... futex resumed>) = 0 [pid 3744] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3743] <... futex resumed>) = 0 [pid 3744] <... mmap resumed>) = 0x7f85c0c15000 [pid 3743] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3741] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3744] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3746] rt_sigprocmask(SIG_SETMASK, [] [pid 3744] <... mprotect resumed>) = 0 [pid 3742] <... set_robust_list resumed>) = 0 [pid 3745] <... futex resumed>) = 1 [pid 3744] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3746] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3744] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3745] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3744] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3746] mkdirat(AT_FDCWD, "./config", 0777 [pid 3742] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 3747 attached ci2-android-5-15/strace-static-x86_64: Process 3748 attached [pid 3746] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3745] <... unlinkat resumed>) = 0 [pid 3744] <... clone3 resumed> => {parent_tid=[3748]}, 88) = 3748 [pid 3742] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3744] rt_sigprocmask(SIG_SETMASK, [] [pid 3746] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3745] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3744] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3742] mkdirat(AT_FDCWD, "./config", 0777 [pid 3744] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3746] <... futex resumed>) = 1 [pid 3745] <... futex resumed>) = 1 [pid 3744] <... futex resumed>) = 0 [pid 3743] <... futex resumed>) = 0 [pid 3742] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3740] <... futex resumed>) = 0 [pid 3746] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3745] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3744] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3743] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3742] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3740] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3746] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3745] <... unlinkat resumed>) = 0 [pid 3743] <... futex resumed>) = 0 [pid 3742] <... futex resumed>) = 1 [pid 3740] <... futex resumed>) = 0 [pid 3739] <... futex resumed>) = 0 [pid 3746] mount(NULL, "./config", "configfs", 0, NULL [pid 3745] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3743] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3742] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3740] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3739] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3746] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3745] <... futex resumed>) = 0 [pid 3743] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3742] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3739] <... futex resumed>) = 0 [pid 3746] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3745] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3743] exit_group(0 [pid 3742] mount(NULL, "./config", "configfs", 0, NULL [pid 3739] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3746] <... futex resumed>) = 1 [pid 3745] <... futex resumed>) = ? [pid 3743] <... exit_group resumed>) = ? [pid 3742] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3740] <... futex resumed>) = 0 [pid 3748] set_robust_list(0x7f85c0c359a0, 24 [pid 3747] set_robust_list(0x7f85c0c359a0, 24 [pid 3746] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3740] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3742] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3746] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3740] <... futex resumed>) = 0 [pid 3748] <... set_robust_list resumed>) = 0 [pid 3747] <... set_robust_list resumed>) = 0 [pid 3746] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3742] <... futex resumed>) = 1 [pid 3740] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3739] <... futex resumed>) = 0 [pid 3746] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3745] +++ exited with 0 +++ [pid 3743] +++ exited with 0 +++ [pid 3742] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3739] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3748] rt_sigprocmask(SIG_SETMASK, [] [pid 3747] rt_sigprocmask(SIG_SETMASK, [] [pid 3739] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3743, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3742] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3739] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3746] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3742] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3748] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3747] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3748] mkdirat(AT_FDCWD, "./config", 0777 [pid 3747] mkdirat(AT_FDCWD, "./config", 0777 [pid 3746] <... futex resumed>) = 1 [pid 3742] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3740] <... futex resumed>) = 0 [pid 3748] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3740] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3746] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3742] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3740] <... futex resumed>) = 0 [pid 3748] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3740] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3739] <... futex resumed>) = 0 [pid 3748] <... futex resumed>) = 1 [pid 3747] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3746] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3744] <... futex resumed>) = 0 [pid 3742] <... futex resumed>) = 1 [pid 3739] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3747] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3744] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3739] <... futex resumed>) = 0 [pid 3748] mount(NULL, "./config", "configfs", 0, NULL [pid 3747] <... futex resumed>) = 1 [pid 3746] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3744] <... futex resumed>) = 0 [pid 3742] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3741] <... futex resumed>) = 0 [pid 3747] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3744] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3741] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3739] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3747] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3741] <... futex resumed>) = 0 [pid 3747] mount(NULL, "./config", "configfs", 0, NULL [pid 3746] <... futex resumed>) = 1 [pid 3742] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3741] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3740] <... futex resumed>) = 0 [pid 3748] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3747] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3740] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3747] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3746] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3742] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3740] <... futex resumed>) = 0 [pid 3748] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3747] <... futex resumed>) = 1 [pid 3741] <... futex resumed>) = 0 [pid 3740] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3747] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3746] <... mkdirat resumed>) = 0 [pid 3741] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3748] <... futex resumed>) = 1 [pid 3747] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3744] <... futex resumed>) = 0 [pid 3742] <... futex resumed>) = 1 [pid 3741] <... futex resumed>) = 0 [pid 3739] <... futex resumed>) = 0 [pid 3747] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3744] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3741] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3748] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3746] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3742] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3739] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3748] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3747] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3746] <... futex resumed>) = 1 [pid 3744] <... futex resumed>) = 0 [pid 3740] <... futex resumed>) = 0 [pid 3739] <... futex resumed>) = 0 [pid 3748] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3747] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3746] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3744] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3742] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3740] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3739] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3748] <... futex resumed>) = 0 [pid 3747] <... futex resumed>) = 1 [pid 3746] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3744] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3742] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3741] <... futex resumed>) = 0 [pid 3740] <... futex resumed>) = 0 [pid 3739] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3748] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3747] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3746] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3744] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3742] <... futex resumed>) = 0 [pid 3741] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3740] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3739] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... restart_syscall resumed>) = 0 [pid 3748] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3747] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3746] <... symlinkat resumed>) = 0 [pid 3744] <... futex resumed>) = 0 [pid 3742] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3741] <... futex resumed>) = 0 [pid 3739] <... futex resumed>) = 0 [pid 3748] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3747] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3746] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3744] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3741] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3739] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3748] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3747] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3746] <... futex resumed>) = 1 [pid 3742] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3740] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3748] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3747] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3746] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3742] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3740] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3748] <... futex resumed>) = 1 [pid 3747] <... futex resumed>) = 1 [pid 3746] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3744] <... futex resumed>) = 0 [pid 3742] <... futex resumed>) = 1 [pid 3741] <... futex resumed>) = 0 [pid 3740] <... futex resumed>) = 0 [pid 3739] <... futex resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3748] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3747] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3746] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3744] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3742] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3741] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3740] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3739] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3747] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3741] <... futex resumed>) = 0 [pid 3747] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3741] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3744] <... futex resumed>) = 0 [pid 3748] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3747] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3746] <... unlinkat resumed>) = 0 [pid 3744] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3742] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3739] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3749 [pid 3748] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3747] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3746] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3742] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3739] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3748] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3747] <... futex resumed>) = 1 [pid 3746] <... futex resumed>) = 1 [pid 3741] <... futex resumed>) = 0 [pid 3742] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3740] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3748] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3747] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3746] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3742] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3741] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3740] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3748] <... futex resumed>) = 1 [pid 3747] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3746] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3744] <... futex resumed>) = 0 [pid 3742] <... futex resumed>) = 1 [pid 3741] <... futex resumed>) = 0 [pid 3740] <... futex resumed>) = 0 [pid 3739] <... futex resumed>) = 0 [pid 3748] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3747] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3746] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3744] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3742] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3741] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3740] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3739] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3748] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3747] <... symlinkat resumed>) = 0 [pid 3746] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3744] <... futex resumed>) = 0 [pid 3742] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3739] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3749 attached [pid 3748] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3747] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3746] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3744] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3742] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3739] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3749] set_robust_list(0x5555810c5760, 24 [pid 3748] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3747] <... futex resumed>) = 1 [pid 3746] <... futex resumed>) = 1 [pid 3742] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3741] <... futex resumed>) = 0 [pid 3740] <... futex resumed>) = 0 [pid 3749] <... set_robust_list resumed>) = 0 [pid 3748] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3747] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3746] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3742] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3741] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3740] exit_group(0 [pid 3749] rt_sigprocmask(SIG_SETMASK, [] [pid 3748] <... futex resumed>) = 1 [pid 3747] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3744] <... futex resumed>) = 0 [pid 3742] <... futex resumed>) = 1 [pid 3741] <... futex resumed>) = 0 [pid 3746] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 3740] <... exit_group resumed>) = ? [pid 3749] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3748] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3747] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3746] +++ exited with 0 +++ [pid 3744] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3742] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3741] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3739] <... futex resumed>) = 0 [pid 3749] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3747] <... unlinkat resumed>) = 0 [pid 3749] <... prctl resumed>) = 0 [pid 3747] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3749] setpgid(0, 0 [pid 3747] <... futex resumed>) = 1 [pid 3741] <... futex resumed>) = 0 [pid 3740] +++ exited with 0 +++ [pid 3749] <... setpgid resumed>) = 0 [pid 3747] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3744] <... futex resumed>) = 0 [pid 3741] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3739] exit_group(0 [pid 3749] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3748] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3747] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3744] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3741] <... futex resumed>) = 0 [pid 3739] <... exit_group resumed>) = ? [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3740, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3742] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 3749] <... openat resumed>) = 3 [pid 3748] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3747] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3741] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3749] write(3, "1000", 4 [pid 3748] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3747] <... unlinkat resumed>) = 0 [pid 3742] +++ exited with 0 +++ [pid 3739] +++ exited with 0 +++ [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3749] <... write resumed>) = 4 [pid 3748] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3747] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3749] close(3 [pid 3748] <... futex resumed>) = 1 [pid 3747] <... futex resumed>) = 1 [pid 3744] <... futex resumed>) = 0 [pid 3741] <... futex resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3739, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3749] <... close resumed>) = 0 [pid 3748] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3747] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3744] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3741] exit_group(0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3749] write(1, "executing program\n", 18 [pid 3748] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3747] <... futex resumed>) = ? executing program [pid 3744] <... futex resumed>) = 0 [pid 3741] <... exit_group resumed>) = ? [pid 3749] <... write resumed>) = 18 [pid 3748] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3747] +++ exited with 0 +++ [pid 3744] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3741] +++ exited with 0 +++ [pid 3749] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3748] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3749] <... futex resumed>) = 0 [pid 3749] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3748] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3741, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3749] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3748] <... futex resumed>) = 1 [pid 3749] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3744] <... futex resumed>) = 0 [pid 3748] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3749] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3744] exit_group(0 [pid 3749] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3748] <... futex resumed>) = ? [pid 3744] <... exit_group resumed>) = ? [pid 3749] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3748] +++ exited with 0 +++ [pid 3749] <... mprotect resumed>) = 0 [pid 3749] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3749] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3744] +++ exited with 0 +++ [pid 3749] <... clone3 resumed> => {parent_tid=[3750]}, 88) = 3750 [pid 3749] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 3749] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3744, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3749] <... futex resumed>) = 0 [pid 3749] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3750 attached [pid 3750] set_robust_list(0x7f85c0c359a0, 24 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3750] <... set_robust_list resumed>) = 0 [pid 3750] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3750] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3750] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3749] <... futex resumed>) = 0 [pid 3749] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3749] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3750] <... futex resumed>) = 1 [pid 3750] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3750] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3749] <... futex resumed>) = 0 [pid 3749] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3749] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3750] <... futex resumed>) = 1 [pid 3750] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3750] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3749] <... futex resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3752 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3751 [pid 3749] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3753 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3754 [pid 3749] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3749] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3750] <... futex resumed>) = 1 [pid 3750] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3750] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3749] <... futex resumed>) = 0 [pid 3749] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3749] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3750] <... futex resumed>) = 1 [pid 3750] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777ci2-android-5-15/strace-static-x86_64: Process 3753 attached ci2-android-5-15/strace-static-x86_64: Process 3752 attached ci2-android-5-15/strace-static-x86_64: Process 3751 attached ) = 0 [pid 3750] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3749] <... futex resumed>) = 0 [pid 3749] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3749] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3750] <... futex resumed>) = 1 [pid 3750] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3753] set_robust_list(0x5555810c5760, 24 [pid 3752] set_robust_list(0x5555810c5760, 24 [pid 3753] <... set_robust_list resumed>) = 0 [pid 3751] set_robust_list(0x5555810c5760, 24 [pid 3752] <... set_robust_list resumed>) = 0 [pid 3750] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3749] <... futex resumed>) = 0 [pid 3749] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3749] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3750] <... futex resumed>) = 1 [pid 3750] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3753] rt_sigprocmask(SIG_SETMASK, [] [pid 3752] rt_sigprocmask(SIG_SETMASK, [] [pid 3751] <... set_robust_list resumed>) = 0 [pid 3750] <... unlinkat resumed>) = 0 [pid 3750] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3749] <... futex resumed>) = 0 [pid 3749] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3749] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3753] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3752] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3750] <... futex resumed>) = 1 [pid 3751] rt_sigprocmask(SIG_SETMASK, [] [pid 3750] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3753] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3752] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3751] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3750] <... unlinkat resumed>) = 0 [pid 3750] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3749] <... futex resumed>) = 0 [pid 3749] exit_group(0) = ? [pid 3753] setpgid(0, 0 [pid 3752] <... prctl resumed>) = 0 [pid 3751] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3753] <... setpgid resumed>) = 0 [pid 3752] setpgid(0, 0 [pid 3751] <... prctl resumed>) = 0 [pid 3750] <... futex resumed>) = ? [pid 3753] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3752] <... setpgid resumed>) = 0 [pid 3751] setpgid(0, 0 [pid 3750] +++ exited with 0 +++ [pid 3749] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 3754 attached [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3749, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3754] set_robust_list(0x5555810c5760, 24 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3753] <... openat resumed>) = 3 [pid 3754] <... set_robust_list resumed>) = 0 [pid 3754] rt_sigprocmask(SIG_SETMASK, [] [pid 3753] write(3, "1000", 4 [pid 3752] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3751] <... setpgid resumed>) = 0 [pid 3754] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3754] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3753] <... write resumed>) = 4 [pid 3754] <... prctl resumed>) = 0 [pid 3752] <... openat resumed>) = 3 [pid 3753] close(3 [pid 3754] setpgid(0, 0 [pid 3751] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3753] <... close resumed>) = 0 [pid 3752] write(3, "1000", 4 [pid 3754] <... setpgid resumed>) = 0 [pid 3754] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3753] write(1, "executing program\n", 18 [pid 3752] <... write resumed>) = 4 [pid 3751] <... openat resumed>) = 3 executing program [pid 3754] <... openat resumed>) = 3 [pid 3753] <... write resumed>) = 18 [pid 3752] close(3 [pid 3751] write(3, "1000", 4 [pid 3754] write(3, "1000", 4 [pid 3753] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3752] <... close resumed>) = 0 [pid 3754] <... write resumed>) = 4 [pid 3753] <... futex resumed>) = 0 [pid 3752] write(1, "executing program\n", 18 [pid 3751] <... write resumed>) = 4 [pid 3754] close(3 executing program [pid 3753] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3752] <... write resumed>) = 18 [pid 3753] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3751] close(3 [pid 3754] <... close resumed>) = 0 [pid 3752] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3753] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3754] write(1, "executing program\n", 18 [pid 3753] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3752] <... futex resumed>) = 0 [pid 3751] <... close resumed>) = 0 [pid 3754] <... write resumed>) = 18 executing program [pid 3753] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3752] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3751] write(1, "executing program\n", 18 [pid 3754] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3753] <... mmap resumed>) = 0x7f85c0c15000 [pid 3752] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3754] <... futex resumed>) = 0 executing program [pid 3753] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3752] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3751] <... write resumed>) = 18 [pid 3754] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3753] <... mprotect resumed>) = 0 [pid 3752] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3751] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3754] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3753] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3752] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3751] <... futex resumed>) = 0 [pid 3754] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3753] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3752] <... mmap resumed>) = 0x7f85c0c15000 [pid 3754] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3753] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3752] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3751] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3754] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3752] <... mprotect resumed>) = 0 [pid 3751] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3754] <... mmap resumed>) = 0x7f85c0c15000 [pid 3753] <... clone3 resumed> => {parent_tid=[3755]}, 88) = 3755 [pid 3754] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3753] rt_sigprocmask(SIG_SETMASK, [] [pid 3752] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3751] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3754] <... mprotect resumed>) = 0 [pid 3753] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3752] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3751] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3753] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3752] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3754] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3753] <... futex resumed>) = 0 [pid 3751] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3754] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3753] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3754] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3751] <... mmap resumed>) = 0x7f85c0c15000 [pid 312] <... restart_syscall resumed>) = 0 [pid 3752] <... clone3 resumed> => {parent_tid=[3756]}, 88) = 3756 [pid 3751] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITEci2-android-5-15/strace-static-x86_64: Process 3755 attached [pid 3752] rt_sigprocmask(SIG_SETMASK, [] [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3752] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3751] <... mprotect resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3752] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3752] <... futex resumed>) = 0 [pid 3751] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3755] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3755] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3755] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3754] <... clone3 resumed> => {parent_tid=[3757]}, 88) = 3757 [pid 3752] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3751] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3758 ci2-android-5-15/strace-static-x86_64: Process 3756 attached [pid 3755] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3754] rt_sigprocmask(SIG_SETMASK, [] [pid 3751] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3754] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3751] <... clone3 resumed> => {parent_tid=[3759]}, 88) = 3759 [pid 3754] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3751] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3754] <... futex resumed>) = 0 [pid 3751] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3755] <... futex resumed>) = 1 [pid 3754] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3751] <... futex resumed>) = 0 [pid 3753] <... futex resumed>) = 0 [pid 3751] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3753] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3755] mount(NULL, "./config", "configfs", 0, NULL [pid 3753] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3758 attached [pid 3753] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3755] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3755] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3753] <... futex resumed>) = 0 [pid 3755] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3753] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3755] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3753] <... futex resumed>) = 0 [pid 3755] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3753] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3755] <... futex resumed>) = 0 [pid 3753] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3755] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3753] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3758] set_robust_list(0x5555810c5760, 24 [pid 3753] <... futex resumed>) = 0 [pid 3758] <... set_robust_list resumed>) = 0 [pid 3755] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3753] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3755] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3753] <... futex resumed>) = 0 [pid 3755] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3753] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3758] rt_sigprocmask(SIG_SETMASK, [] [pid 3753] <... futex resumed>) = 0 [pid 3758] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3755] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3753] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3755] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3758] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3755] <... mkdirat resumed>) = 0 [pid 3755] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3758] <... prctl resumed>) = 0 [pid 3755] <... futex resumed>) = 1 [pid 3753] <... futex resumed>) = 0 [pid 3755] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3758] setpgid(0, 0 [pid 3753] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3758] <... setpgid resumed>) = 0 [pid 3755] <... symlinkat resumed>) = 0 [pid 3753] <... futex resumed>) = 0 [pid 3755] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3753] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3758] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3753] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3755] <... futex resumed>) = 0 [pid 3753] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3755] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3753] <... futex resumed>) = 0 [pid 3758] <... openat resumed>) = 3 [pid 3753] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3758] write(3, "1000", 4 [pid 3756] set_robust_list(0x7f85c0c359a0, 24 [pid 3755] <... unlinkat resumed>) = 0 [pid 3756] <... set_robust_list resumed>) = 0 [pid 3755] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3758] <... write resumed>) = 4 [pid 3758] close(3 [pid 3756] rt_sigprocmask(SIG_SETMASK, [] [pid 3755] <... futex resumed>) = 1 [pid 3753] <... futex resumed>) = 0 [pid 3756] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3755] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3753] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3758] <... close resumed>) = 0 [pid 3753] <... futex resumed>) = 0 [pid 3758] write(1, "executing program\n", 18 [pid 3756] mkdirat(AT_FDCWD, "./config", 0777 [pid 3755] <... unlinkat resumed>) = 0 [pid 3753] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3758] <... write resumed>) = 18 [pid 3756] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 3755] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3758] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3756] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3755] <... futex resumed>) = 1 [pid 3753] <... futex resumed>) = 0 [pid 3758] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3756] <... futex resumed>) = 1 [pid 3755] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3753] exit_group(0 [pid 3752] <... futex resumed>) = 0 [pid 3758] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3753] <... exit_group resumed>) = ? [pid 3752] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3756] mount(NULL, "./config", "configfs", 0, NULL [pid 3755] <... futex resumed>) = ? [pid 3758] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3752] <... futex resumed>) = 0 [pid 3758] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3756] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3755] +++ exited with 0 +++ [pid 3753] +++ exited with 0 +++ [pid 3752] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3758] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3756] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3753, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3758] <... mmap resumed>) = 0x7f85c0c15000 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3758] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3756] <... futex resumed>) = 1 [pid 3752] <... futex resumed>) = 0 [pid 3758] <... mprotect resumed>) = 0 [pid 3758] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3752] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3758] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3752] <... futex resumed>) = 0 [pid 3758] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3752] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3756] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3758] <... clone3 resumed> => {parent_tid=[3760]}, 88) = 3760 [pid 3756] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3758] rt_sigprocmask(SIG_SETMASK, [] [pid 3756] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3759 attached ci2-android-5-15/strace-static-x86_64: Process 3760 attached ci2-android-5-15/strace-static-x86_64: Process 3757 attached [pid 3758] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3756] <... futex resumed>) = 1 [pid 3752] <... futex resumed>) = 0 [pid 3759] set_robust_list(0x7f85c0c359a0, 24 [pid 3758] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3757] set_robust_list(0x7f85c0c359a0, 24 [pid 3756] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3752] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3759] <... set_robust_list resumed>) = 0 [pid 3758] <... futex resumed>) = 0 [pid 3757] <... set_robust_list resumed>) = 0 [pid 3756] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3752] <... futex resumed>) = 0 [pid 3759] rt_sigprocmask(SIG_SETMASK, [] [pid 3758] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3757] rt_sigprocmask(SIG_SETMASK, [] [pid 3756] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3752] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3759] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3757] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3756] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3760] set_robust_list(0x7f85c0c359a0, 24 [pid 3759] mkdirat(AT_FDCWD, "./config", 0777 [pid 3757] mkdirat(AT_FDCWD, "./config", 0777 [pid 3756] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... restart_syscall resumed>) = 0 [pid 3759] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3757] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3756] <... futex resumed>) = 1 [pid 3752] <... futex resumed>) = 0 [pid 3759] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3757] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3756] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3752] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3759] <... futex resumed>) = 1 [pid 3757] <... futex resumed>) = 1 [pid 3756] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3754] <... futex resumed>) = 0 [pid 3752] <... futex resumed>) = 0 [pid 3751] <... futex resumed>) = 0 [pid 3759] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3757] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3756] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3754] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3752] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3751] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3760] <... set_robust_list resumed>) = 0 [pid 3759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3757] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3756] <... mkdirat resumed>) = 0 [pid 3754] <... futex resumed>) = 0 [pid 3751] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3759] mount(NULL, "./config", "configfs", 0, NULL [pid 3757] mount(NULL, "./config", "configfs", 0, NULL [pid 3756] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3754] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3751] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3760] rt_sigprocmask(SIG_SETMASK, [] [pid 3759] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3757] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3756] <... futex resumed>) = 1 [pid 3752] <... futex resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3759] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3757] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3756] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3752] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3759] <... futex resumed>) = 1 [pid 3757] <... futex resumed>) = 1 [pid 3756] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3759] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3757] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3756] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3754] <... futex resumed>) = 0 [pid 3752] <... futex resumed>) = 0 [pid 3751] <... futex resumed>) = 0 [pid 3756] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3754] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3752] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3751] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3761 [pid 3759] <... futex resumed>) = 0 [pid 3757] <... futex resumed>) = 0 [pid 3756] <... futex resumed>) = 0 [pid 3754] <... futex resumed>) = 1 [pid 3752] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3751] <... futex resumed>) = 1 [pid 3759] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3757] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3756] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3754] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3752] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3751] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3760] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3759] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3757] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3756] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3752] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3759] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3757] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3756] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3752] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3760] mkdirat(AT_FDCWD, "./config", 0777 [pid 3759] <... futex resumed>) = 1 [pid 3757] <... futex resumed>) = 1 [pid 3756] <... unlinkat resumed>) = 0 [pid 3754] <... futex resumed>) = 0 [pid 3751] <... futex resumed>) = 0 [pid 3759] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3757] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3756] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3754] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3751] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3760] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3757] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3756] <... futex resumed>) = 1 [pid 3754] <... futex resumed>) = 0 [pid 3752] <... futex resumed>) = 0 [pid 3751] <... futex resumed>) = 0 [pid 3760] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3759] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3757] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3756] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3754] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3752] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3751] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3761 attached [pid 3760] <... futex resumed>) = 1 [pid 3759] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3758] <... futex resumed>) = 0 [pid 3757] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3756] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3752] <... futex resumed>) = 0 [pid 3761] set_robust_list(0x5555810c5760, 24 [pid 3760] mount(NULL, "./config", "configfs", 0, NULL [pid 3759] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3758] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3757] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3756] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3752] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3761] <... set_robust_list resumed>) = 0 [pid 3760] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3759] <... futex resumed>) = 1 [pid 3758] <... futex resumed>) = 0 [pid 3757] <... futex resumed>) = 1 [pid 3756] <... unlinkat resumed>) = 0 [pid 3754] <... futex resumed>) = 0 [pid 3751] <... futex resumed>) = 0 [pid 3761] rt_sigprocmask(SIG_SETMASK, [] [pid 3760] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3759] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3758] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3757] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3756] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3754] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3751] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3761] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3760] <... futex resumed>) = 0 [pid 3759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3758] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3757] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3756] <... futex resumed>) = 1 [pid 3754] <... futex resumed>) = 0 [pid 3752] <... futex resumed>) = 0 [pid 3751] <... futex resumed>) = 0 [pid 3761] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3760] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3759] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3758] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3757] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3756] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3754] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3752] exit_group(0 [pid 3751] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3761] <... prctl resumed>) = 0 [pid 3760] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3759] <... mkdirat resumed>) = 0 [pid 3758] <... futex resumed>) = 0 [pid 3757] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3756] <... futex resumed>) = ? [pid 3752] <... exit_group resumed>) = ? [pid 3761] setpgid(0, 0 [pid 3760] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3759] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3758] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3757] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3756] +++ exited with 0 +++ [pid 3761] <... setpgid resumed>) = 0 [pid 3759] <... futex resumed>) = 1 [pid 3757] <... futex resumed>) = 1 [pid 3761] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3759] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3757] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3761] <... openat resumed>) = 3 [pid 3754] <... futex resumed>) = 0 [pid 3752] +++ exited with 0 +++ [pid 3760] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3751] <... futex resumed>) = 0 [pid 3761] write(3, "1000", 4 [pid 3760] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3754] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3751] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3752, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3761] <... write resumed>) = 4 [pid 3760] <... futex resumed>) = 1 [pid 3759] <... futex resumed>) = 0 [pid 3758] <... futex resumed>) = 0 [pid 3757] <... futex resumed>) = 0 [pid 3754] <... futex resumed>) = 1 [pid 3751] <... futex resumed>) = 1 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3761] close(3 [pid 3760] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3759] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3758] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3757] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3754] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3751] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3761] <... close resumed>) = 0 [pid 3760] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3759] <... symlinkat resumed>) = 0 [pid 3758] <... futex resumed>) = 0 [pid 3757] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 304] <... restart_syscall resumed>) = 0 [pid 3761] write(1, "executing program\n", 18 executing program [pid 3760] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3759] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3758] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3757] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3761] <... write resumed>) = 18 [pid 3760] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3759] <... futex resumed>) = 1 [pid 3757] <... futex resumed>) = 1 [pid 3754] <... futex resumed>) = 0 [pid 3751] <... futex resumed>) = 0 [pid 3761] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3760] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3759] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3757] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3754] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3751] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3761] <... futex resumed>) = 0 [pid 3760] <... futex resumed>) = 1 [pid 3759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3758] <... futex resumed>) = 0 [pid 3757] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3754] <... futex resumed>) = 0 [pid 3751] <... futex resumed>) = 0 [pid 3761] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3760] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3759] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3758] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3757] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3754] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3751] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3761] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3760] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3759] <... unlinkat resumed>) = 0 [pid 3758] <... futex resumed>) = 0 [pid 3757] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3761] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3760] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3759] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3758] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3757] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3761] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3760] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3759] <... futex resumed>) = 1 [pid 3757] <... futex resumed>) = 1 [pid 3754] <... futex resumed>) = 0 [pid 3751] <... futex resumed>) = 0 [pid 3761] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3759] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3757] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3761] <... mmap resumed>) = 0x7f85c0c15000 [pid 3761] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3760] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3754] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3751] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3761] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3760] <... futex resumed>) = 1 [pid 3759] <... futex resumed>) = 0 [pid 3758] <... futex resumed>) = 0 [pid 3757] <... futex resumed>) = 0 [pid 3754] <... futex resumed>) = 1 [pid 3751] <... futex resumed>) = 1 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3762 ci2-android-5-15/strace-static-x86_64: Process 3762 attached [pid 3761] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3760] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3759] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3758] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3757] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3754] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3751] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3761] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3760] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3759] <... unlinkat resumed>) = 0 [pid 3758] <... futex resumed>) = 0 [pid 3757] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3760] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3759] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3758] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3757] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3761] <... clone3 resumed> => {parent_tid=[3763]}, 88) = 3763 [pid 3760] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3759] <... futex resumed>) = 1 [pid 3757] <... futex resumed>) = 1 [pid 3754] <... futex resumed>) = 0 [pid 3751] <... futex resumed>) = 0 [pid 3761] rt_sigprocmask(SIG_SETMASK, [] [pid 3760] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3759] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3757] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3754] exit_group(0 [pid 3751] exit_group(0 [pid 3761] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3760] <... futex resumed>) = 1 [pid 3758] <... futex resumed>) = 0 [pid 3759] <... futex resumed>) = ? [pid 3757] <... futex resumed>) = ? [pid 3754] <... exit_group resumed>) = ? [pid 3751] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 3763 attached [pid 3762] set_robust_list(0x5555810c5760, 24 [pid 3761] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3760] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3759] +++ exited with 0 +++ [pid 3758] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3757] +++ exited with 0 +++ [pid 3762] <... set_robust_list resumed>) = 0 [pid 3761] <... futex resumed>) = 0 [pid 3762] rt_sigprocmask(SIG_SETMASK, [] [pid 3761] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3762] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3754] +++ exited with 0 +++ [pid 3762] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3762] setpgid(0, 0) = 0 [pid 3762] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3751] +++ exited with 0 +++ [pid 3762] <... openat resumed>) = 3 [pid 3760] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3758] <... futex resumed>) = 0 [pid 3760] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3758] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3754, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3751, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3760] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3760] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3762] write(3, "1000", 4 [pid 3760] <... futex resumed>) = 1 [pid 3758] <... futex resumed>) = 0 [pid 3762] <... write resumed>) = 4 [pid 3760] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3758] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3760] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3758] <... futex resumed>) = 0 [pid 3762] close(3 [pid 3760] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3758] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3760] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3762] <... close resumed>) = 0 [pid 3760] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3762] write(1, "executing program\n", 18 [pid 3760] <... futex resumed>) = 1 [pid 3758] <... futex resumed>) = 0 [pid 3760] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3758] exit_group(0 [pid 3762] <... write resumed>) = 18 [pid 3760] <... futex resumed>) = ? [pid 3758] <... exit_group resumed>) = ? [pid 3762] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3760] +++ exited with 0 +++ [pid 3762] <... futex resumed>) = 0 [pid 3762] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3762] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3762] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3762] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3758] +++ exited with 0 +++ [pid 3762] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 executing program [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3758, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 3762] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3762] <... clone3 resumed> => {parent_tid=[3764]}, 88) = 3764 [pid 3763] set_robust_list(0x7f85c0c359a0, 24 [pid 3762] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3762] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3762] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3764 attached [pid 3764] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3764] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3764] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3764] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3763] <... set_robust_list resumed>) = 0 [pid 3762] <... futex resumed>) = 0 [pid 3762] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3762] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3763] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... restart_syscall resumed>) = 0 [pid 3764] <... futex resumed>) = 1 [pid 3763] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3764] mount(NULL, "./config", "configfs", 0, NULL [pid 3763] mkdirat(AT_FDCWD, "./config", 0777 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3763] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3763] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3764] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3764] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3762] <... futex resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3765 [pid 3763] <... futex resumed>) = 1 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3762] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3761] <... futex resumed>) = 0 [pid 3763] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3762] <... futex resumed>) = 0 [pid 3761] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3762] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3761] <... futex resumed>) = 1 [pid 3761] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3764] <... futex resumed>) = 1 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3763] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3766 [pid 3764] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3764] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3762] <... futex resumed>) = 0 [pid 3762] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3762] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3763] mount(NULL, "./config", "configfs", 0, NULL [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3767 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3764] <... futex resumed>) = 1 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3764] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3763] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3763] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3764] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3764] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3762] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3767 attached ci2-android-5-15/strace-static-x86_64: Process 3765 attached [pid 3762] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3763] <... futex resumed>) = 1 [pid 3761] <... futex resumed>) = 0 [pid 3762] <... futex resumed>) = 0 [pid 3763] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3762] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3761] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3764] <... futex resumed>) = 1 [pid 3761] <... futex resumed>) = 0 [pid 3763] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3761] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3764] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3763] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3761] <... futex resumed>) = 0 [pid 3761] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3763] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3761] <... futex resumed>) = 0 [pid 3767] set_robust_list(0x5555810c5760, 24 [pid 3765] set_robust_list(0x5555810c5760, 24 [pid 3763] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3761] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3763] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3761] <... futex resumed>) = 0 [pid 3763] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3761] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3761] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3767] <... set_robust_list resumed>) = 0 [pid 3765] <... set_robust_list resumed>) = 0 [pid 3764] <... mkdirat resumed>) = 0 [pid 3763] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3764] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3763] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3762] <... futex resumed>) = 0 [pid 3761] <... futex resumed>) = 0 [pid 3763] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3762] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3761] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3763] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3762] <... futex resumed>) = 0 [pid 3761] <... futex resumed>) = 0 [pid 3763] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3762] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3761] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3763] <... symlinkat resumed>) = 0 [pid 3764] <... futex resumed>) = 1 [pid 3763] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3765] rt_sigprocmask(SIG_SETMASK, [] [pid 3761] <... futex resumed>) = 0 [pid 3763] <... futex resumed>) = 1 [pid 3765] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3763] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3761] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3764] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3761] <... futex resumed>) = 0 [pid 3763] <... unlinkat resumed>) = 0 [pid 3761] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3763] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3761] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3763] <... futex resumed>) = 0 [pid 3761] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3763] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3765] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3761] <... futex resumed>) = 0 [pid 3767] rt_sigprocmask(SIG_SETMASK, [] [pid 3765] <... prctl resumed>) = 0 [pid 3764] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3763] <... unlinkat resumed>) = 0 [pid 3761] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3767] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3765] setpgid(0, 0 [pid 3763] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3761] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3765] <... setpgid resumed>) = 0 [pid 3763] <... futex resumed>) = 0 [pid 3761] exit_group(0 [pid 3763] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 ENOSYS (Function not implemented) [pid 3761] <... exit_group resumed>) = ? [pid 3764] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3762] <... futex resumed>) = 0 [pid 3762] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3762] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3764] <... futex resumed>) = 1 [pid 3764] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = -1 ENOENT (No such file or directory) [pid 3764] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3762] <... futex resumed>) = 0 [pid 3762] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3763] +++ exited with 0 +++ [pid 3762] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3761] +++ exited with 0 +++ [pid 3765] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3767] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3761, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3764] <... futex resumed>) = 1 [pid 3767] <... prctl resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3767] setpgid(0, 0 [pid 3765] <... openat resumed>) = 3 [pid 3764] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = -1 ENOENT (No such file or directory) [pid 3764] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3762] <... futex resumed>) = 0 [pid 3764] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3762] exit_group(0 [pid 3764] <... futex resumed>) = ? [pid 3762] <... exit_group resumed>) = ? [pid 3767] <... setpgid resumed>) = 0 [pid 3765] write(3, "1000", 4 [pid 3764] +++ exited with 0 +++ [pid 3762] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 3766 attached [pid 3766] set_robust_list(0x5555810c5760, 24 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3762, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 3767] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3765] <... write resumed>) = 4 [pid 3766] <... set_robust_list resumed>) = 0 [pid 3767] <... openat resumed>) = 3 [pid 3766] rt_sigprocmask(SIG_SETMASK, [] [pid 3765] close(3 [pid 3766] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3766] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3765] <... close resumed>) = 0 [pid 3767] write(3, "1000", 4 [pid 3766] <... prctl resumed>) = 0 [pid 3766] setpgid(0, 0) = 0 [pid 3766] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3767] <... write resumed>) = 4 [pid 3765] write(1, "executing program\n", 18 [pid 3767] close(3 [pid 3766] <... openat resumed>) = 3 executing program [pid 3765] <... write resumed>) = 18 [pid 3766] write(3, "1000", 4) = 4 [pid 3767] <... close resumed>) = 0 [pid 3765] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3767] write(1, "executing program\n", 18 [pid 3766] close(3) = 0 [pid 3766] write(1, "executing program\n", 18 [pid 3765] <... futex resumed>) = 0 executing program [pid 3767] <... write resumed>) = 18 [pid 3765] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3767] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3765] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3767] <... futex resumed>) = 0 [pid 3765] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3767] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3765] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3767] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3765] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3767] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3765] <... mmap resumed>) = 0x7f85c0c15000 [pid 3767] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3765] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3767] <... mmap resumed>) = 0x7f85c0c15000 [pid 3765] <... mprotect resumed>) = 0 [pid 3767] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3766] <... write resumed>) = 18 [pid 3765] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3767] <... mprotect resumed>) = 0 [pid 3765] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 3767] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3766] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3765] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3767] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3767] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3766] <... futex resumed>) = 0 [pid 3765] <... clone3 resumed> => {parent_tid=[3768]}, 88) = 3768 [pid 3767] <... clone3 resumed> => {parent_tid=[3769]}, 88) = 3769 [pid 3765] rt_sigprocmask(SIG_SETMASK, [] [pid 3767] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3765] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3767] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3765] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3767] <... futex resumed>) = 0 [pid 3765] <... futex resumed>) = 0 [pid 3767] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3765] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3766] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3766] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3766] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3766] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 ci2-android-5-15/strace-static-x86_64: Process 3769 attached [pid 3766] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 3766] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 304] <... restart_syscall resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3766] <... clone3 resumed> => {parent_tid=[3770]}, 88) = 3770 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3766] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3766] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3766] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3766] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3768 attached [pid 3768] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3771 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3768] rt_sigprocmask(SIG_SETMASK, [] [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3768] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3768] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3768] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3765] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3765] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3772 [pid 3768] mount(NULL, "./config", "configfs", 0, NULL [pid 3765] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3765] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3768] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3769] set_robust_list(0x7f85c0c359a0, 24ci2-android-5-15/strace-static-x86_64: Process 3771 attached [pid 3768] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3765] <... futex resumed>) = 0 [pid 3768] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3765] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3768] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3765] <... futex resumed>) = 0 [pid 3768] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3765] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3768] <... futex resumed>) = 0 [pid 3765] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3768] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3765] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3771] set_robust_list(0x5555810c5760, 24 [pid 3769] <... set_robust_list resumed>) = 0 [pid 3768] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3765] <... futex resumed>) = 0 [pid 3768] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3765] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3768] <... futex resumed>) = 0 [pid 3765] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3771] <... set_robust_list resumed>) = 0 [pid 3769] rt_sigprocmask(SIG_SETMASK, [] [pid 3765] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3768] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3765] <... futex resumed>) = 0 [pid 3769] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3768] <... mkdirat resumed>) = 0 [pid 3765] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3771] rt_sigprocmask(SIG_SETMASK, [] [pid 3769] mkdirat(AT_FDCWD, "./config", 0777 [pid 3768] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3765] <... futex resumed>) = 0 [pid 3769] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3765] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3769] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3768] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3765] <... futex resumed>) = 0 [pid 3769] <... futex resumed>) = 1 [pid 3768] <... symlinkat resumed>) = 0 [pid 3767] <... futex resumed>) = 0 [pid 3765] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3769] mount(NULL, "./config", "configfs", 0, NULL [pid 3767] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3770 attached [pid 3768] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3767] <... futex resumed>) = 0 [pid 3769] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3767] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3770] set_robust_list(0x7f85c0c359a0, 24 [pid 3769] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3768] <... futex resumed>) = 1 [pid 3765] <... futex resumed>) = 0 [pid 3770] <... set_robust_list resumed>) = 0 [pid 3768] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3767] <... futex resumed>) = 0 [pid 3769] <... futex resumed>) = 1 [pid 3765] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3767] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3765] <... futex resumed>) = 0 [pid 3769] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3767] <... futex resumed>) = 0 [pid 3765] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3767] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3769] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3771] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3770] rt_sigprocmask(SIG_SETMASK, [] [pid 3769] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3768] <... unlinkat resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3772 attached [pid 3770] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3768] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3772] set_robust_list(0x5555810c5760, 24 [pid 3770] mkdirat(AT_FDCWD, "./config", 0777 [pid 3769] <... futex resumed>) = 1 [pid 3768] <... futex resumed>) = 1 [pid 3767] <... futex resumed>) = 0 [pid 3765] <... futex resumed>) = 0 [pid 3771] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3769] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3767] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3765] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3767] <... futex resumed>) = 0 [pid 3765] <... futex resumed>) = 0 [pid 3769] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3767] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3765] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3769] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3772] <... set_robust_list resumed>) = 0 [pid 3770] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3768] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3772] rt_sigprocmask(SIG_SETMASK, [] [pid 3771] <... prctl resumed>) = 0 [pid 3770] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3769] <... futex resumed>) = 1 [pid 3768] <... unlinkat resumed>) = 0 [pid 3767] <... futex resumed>) = 0 [pid 3772] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3770] <... futex resumed>) = 1 [pid 3769] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3768] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3767] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3766] <... futex resumed>) = 0 [pid 3772] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3770] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3769] <... mkdirat resumed>) = 0 [pid 3768] <... futex resumed>) = 1 [pid 3767] <... futex resumed>) = 0 [pid 3766] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3765] <... futex resumed>) = 0 [pid 3772] <... prctl resumed>) = 0 [pid 3771] setpgid(0, 0 [pid 3770] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3769] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3768] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3767] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3766] <... futex resumed>) = 0 [pid 3765] exit_group(0 [pid 3772] setpgid(0, 0 [pid 3771] <... setpgid resumed>) = 0 [pid 3770] mount(NULL, "./config", "configfs", 0, NULL [pid 3769] <... futex resumed>) = 0 [pid 3768] <... futex resumed>) = ? [pid 3767] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3766] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3765] <... exit_group resumed>) = ? [pid 3772] <... setpgid resumed>) = 0 [pid 3771] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3770] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3769] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3768] +++ exited with 0 +++ [pid 3767] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3772] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3770] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3772] <... openat resumed>) = 3 [pid 3770] <... futex resumed>) = 1 [pid 3766] <... futex resumed>) = 0 [pid 3765] +++ exited with 0 +++ [pid 3772] write(3, "1000", 4 [pid 3770] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3769] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3767] <... futex resumed>) = 0 [pid 3766] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3765, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3772] <... write resumed>) = 4 [pid 3771] <... openat resumed>) = 3 [pid 3770] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3769] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3767] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3766] <... futex resumed>) = 0 [pid 3772] close(3 [pid 3770] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3766] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3772] <... close resumed>) = 0 [pid 3771] write(3, "1000", 4 [pid 3770] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3769] <... symlinkat resumed>) = 0 [pid 3772] write(1, "executing program\n", 18 [pid 3770] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3769] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3772] <... write resumed>) = 18 executing program [pid 3771] <... write resumed>) = 4 [pid 3770] <... futex resumed>) = 1 [pid 3766] <... futex resumed>) = 0 [pid 3767] <... futex resumed>) = 0 [pid 3772] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3770] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3769] <... futex resumed>) = 1 [pid 3767] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3766] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3771] close(3 [pid 3772] <... futex resumed>) = 0 [pid 3770] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3769] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3767] <... futex resumed>) = 0 [pid 3766] <... futex resumed>) = 0 [pid 3772] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3770] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3767] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3766] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3772] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3771] <... close resumed>) = 0 [pid 3770] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3769] <... unlinkat resumed>) = 0 [pid 3772] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3771] write(1, "executing program\n", 18 [pid 3770] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 3769] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3772] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3771] <... write resumed>) = 18 [pid 3770] <... futex resumed>) = 1 [pid 3769] <... futex resumed>) = 1 [pid 3767] <... futex resumed>) = 0 [pid 3766] <... futex resumed>) = 0 [pid 3772] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3771] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3770] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3769] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3767] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3766] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3772] <... mmap resumed>) = 0x7f85c0c15000 [pid 3771] <... futex resumed>) = 0 [pid 3770] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3769] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3767] <... futex resumed>) = 0 [pid 3766] <... futex resumed>) = 0 [pid 3772] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3771] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3770] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3769] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3767] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3766] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3772] <... mprotect resumed>) = 0 [pid 3771] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3770] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3769] <... unlinkat resumed>) = 0 [pid 3770] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3772] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3771] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3770] <... futex resumed>) = 1 [pid 3769] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3766] <... futex resumed>) = 0 [pid 3772] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3771] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3770] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3769] <... futex resumed>) = 1 [pid 3767] <... futex resumed>) = 0 [pid 3766] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3772] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3771] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3770] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3769] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3767] exit_group(0 [pid 3766] <... futex resumed>) = 0 [pid 3771] <... mmap resumed>) = 0x7f85c0c15000 [pid 3770] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3769] <... futex resumed>) = ? [pid 3767] <... exit_group resumed>) = ? [pid 3766] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3772] <... clone3 resumed> => {parent_tid=[3773]}, 88) = 3773 [pid 3771] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3770] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3770] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3766] <... futex resumed>) = 0 [pid 3770] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3766] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3770] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3766] <... futex resumed>) = 0 [pid 3770] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3766] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3770] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3770] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3766] <... futex resumed>) = 0 [pid 3770] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3766] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3770] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3766] <... futex resumed>) = 0 [pid 3770] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3766] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3772] rt_sigprocmask(SIG_SETMASK, [] [pid 3770] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3771] <... mprotect resumed>) = 0 [pid 3769] +++ exited with 0 +++ [pid 3767] +++ exited with 0 +++ [pid 3772] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3770] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3772] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3771] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3770] <... futex resumed>) = 1 [pid 3766] <... futex resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3767, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3772] <... futex resumed>) = 0 [pid 3771] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3770] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3766] exit_group(0 [pid 3772] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3771] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3770] <... futex resumed>) = ? [pid 3766] <... exit_group resumed>) = ? [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 3774 attached [pid 3770] +++ exited with 0 +++ [pid 3766] +++ exited with 0 +++ [pid 3771] <... clone3 resumed> => {parent_tid=[3774]}, 88) = 3774 [pid 3771] rt_sigprocmask(SIG_SETMASK, [] [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3766, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3771] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3771] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3773 attached ) = 0 [pid 3773] set_robust_list(0x7f85c0c359a0, 24 [pid 3771] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3773] <... set_robust_list resumed>) = 0 [pid 3773] rt_sigprocmask(SIG_SETMASK, [] [pid 3774] set_robust_list(0x7f85c0c359a0, 24 [pid 3773] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3773] mkdirat(AT_FDCWD, "./config", 0777 [pid 3774] <... set_robust_list resumed>) = 0 [pid 3773] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3773] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3772] <... futex resumed>) = 0 [pid 3774] rt_sigprocmask(SIG_SETMASK, [] [pid 3772] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3773] mount(NULL, "./config", "configfs", 0, NULL [pid 3772] <... futex resumed>) = 0 [pid 3773] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3772] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3773] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3772] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3773] <... futex resumed>) = 0 [pid 3772] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3773] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3772] <... futex resumed>) = 0 [pid 3773] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3772] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3774] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3773] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3772] <... futex resumed>) = 0 [pid 3773] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3772] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3773] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3772] <... futex resumed>) = 0 [pid 3773] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3772] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... restart_syscall resumed>) = 0 [pid 3772] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3772] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... restart_syscall resumed>) = 0 [pid 3772] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3772] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3773] <... futex resumed>) = 1 [pid 3773] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3772] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3772] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=49000000} [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3775 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3773] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3773] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 3775 attached [pid 3775] set_robust_list(0x5555810c5760, 24) = 0 [pid 3775] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3775] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3775] setpgid(0, 0) = 0 [pid 3772] <... futex resumed>) = 0 [pid 3772] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3776 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3777 [pid 3772] <... futex resumed>) = 1 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3772] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3773] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3777 attached [pid 3774] mkdirat(AT_FDCWD, "./config", 0777 [pid 3773] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3774] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3773] <... symlinkat resumed>) = 0 [pid 3777] set_robust_list(0x5555810c5760, 24 [pid 3773] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3772] <... futex resumed>) = 0 [pid 3773] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3772] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3773] <... unlinkat resumed>) = 0 [pid 3772] <... futex resumed>) = 0 [pid 3773] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3772] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3773] <... futex resumed>) = 0 [pid 3772] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3773] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3772] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3777] <... set_robust_list resumed>) = 0 [pid 3775] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3774] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3773] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3772] <... futex resumed>) = 0 [pid 3775] <... openat resumed>) = 3 [pid 3774] <... futex resumed>) = 1 [pid 3773] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3772] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3771] <... futex resumed>) = 0 [pid 3777] rt_sigprocmask(SIG_SETMASK, [] [pid 3775] write(3, "1000", 4 [pid 3774] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3773] <... unlinkat resumed>) = 0 [pid 3771] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3775] <... write resumed>) = 4 [pid 3773] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3774] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3771] <... futex resumed>) = 0 [pid 3775] close(3 [pid 3773] <... futex resumed>) = 1 [pid 3772] <... futex resumed>) = 0 [pid 3771] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3774] mount(NULL, "./config", "configfs", 0, NULL [pid 3775] <... close resumed>) = 0 [pid 3773] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3772] exit_group(0 [pid 3775] write(1, "executing program\n", 18 [pid 3774] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3773] <... futex resumed>) = ? executing program [pid 3772] <... exit_group resumed>) = ? [pid 3777] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3775] <... write resumed>) = 18 [pid 3774] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3773] +++ exited with 0 +++ [pid 3775] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3775] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3775] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3775] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3772] +++ exited with 0 +++ [pid 3775] <... mmap resumed>) = 0x7f85c0c15000 [pid 3774] <... futex resumed>) = 1 [pid 3771] <... futex resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3772, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3774] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3771] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 3776 attached [pid 3775] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3774] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3771] <... futex resumed>) = 0 [pid 3776] set_robust_list(0x5555810c5760, 24 [pid 3775] <... mprotect resumed>) = 0 [pid 3774] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3771] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3777] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3774] <... futex resumed>) = 0 [pid 3771] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3776] <... set_robust_list resumed>) = 0 [pid 3775] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3774] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3771] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3774] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3771] <... futex resumed>) = 0 [pid 3771] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3777] <... prctl resumed>) = 0 [pid 3774] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3771] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3777] setpgid(0, 0 [pid 3776] rt_sigprocmask(SIG_SETMASK, [] [pid 3775] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3774] <... futex resumed>) = 0 [pid 3771] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3777] <... setpgid resumed>) = 0 [pid 3776] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3775] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3774] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3771] <... futex resumed>) = 0 [pid 3777] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3776] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3771] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3776] <... prctl resumed>) = 0 [pid 3775] <... clone3 resumed> => {parent_tid=[3778]}, 88) = 3778 [pid 3776] setpgid(0, 0 [pid 3775] rt_sigprocmask(SIG_SETMASK, [] [pid 3774] <... mkdirat resumed>) = 0 [pid 3777] <... openat resumed>) = 3 [pid 3776] <... setpgid resumed>) = 0 [pid 3775] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3774] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3776] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3775] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3777] write(3, "1000", 4 [pid 3776] <... openat resumed>) = 3 [pid 3775] <... futex resumed>) = 0 [pid 3774] <... futex resumed>) = 1 [pid 3771] <... futex resumed>) = 0 [pid 3776] write(3, "1000", 4 [pid 3775] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3774] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3771] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3777] <... write resumed>) = 4 [pid 3776] <... write resumed>) = 4 [pid 3774] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3771] <... futex resumed>) = 0 [pid 3777] close(3 [pid 3774] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3771] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3776] close(3 [pid 3777] <... close resumed>) = 0 [pid 3774] <... symlinkat resumed>) = 0 [pid 3777] write(1, "executing program\n", 18 [pid 3776] <... close resumed>) = 0 [pid 3774] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 3776] write(1, "executing program\n", 18 [pid 3774] <... futex resumed>) = 1 [pid 3771] <... futex resumed>) = 0 [pid 3777] <... write resumed>) = 18 [pid 3774] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3771] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3777] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3774] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3771] <... futex resumed>) = 0 [pid 3777] <... futex resumed>) = 0 [pid 3774] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3771] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3776] <... write resumed>) = 18 executing program [pid 3777] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3776] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3774] <... unlinkat resumed>) = 0 [pid 3777] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3776] <... futex resumed>) = 0 [pid 3774] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3777] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3776] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3777] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3776] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3774] <... futex resumed>) = 1 [pid 3771] <... futex resumed>) = 0 [pid 3777] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3776] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3774] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3771] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3777] <... mmap resumed>) = 0x7f85c0c15000 [pid 3776] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3774] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3777] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3776] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3774] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3771] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3778 attached [pid 3777] <... mprotect resumed>) = 0 [pid 3776] <... mmap resumed>) = 0x7f85c0c15000 [pid 3776] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3774] <... unlinkat resumed>) = 0 [pid 3771] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3777] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3776] <... mprotect resumed>) = 0 [pid 3774] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3771] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3777] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3776] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3774] <... futex resumed>) = 0 [pid 3771] exit_group(0 [pid 304] <... restart_syscall resumed>) = 0 [pid 3778] set_robust_list(0x7f85c0c359a0, 24 [pid 3777] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3776] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3771] <... exit_group resumed>) = ? [pid 3778] <... set_robust_list resumed>) = 0 [pid 3776] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3774] +++ exited with 0 +++ [pid 3778] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3776] <... clone3 resumed> => {parent_tid=[3780]}, 88) = 3780 [pid 3778] mkdirat(AT_FDCWD, "./config", 0777 [pid 3776] rt_sigprocmask(SIG_SETMASK, [] [pid 3778] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3776] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3771] +++ exited with 0 +++ [pid 3778] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3777] <... clone3 resumed> => {parent_tid=[3779]}, 88) = 3779 [pid 3776] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3771, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3778] <... futex resumed>) = 1 [pid 3777] rt_sigprocmask(SIG_SETMASK, [] [pid 3776] <... futex resumed>) = 0 [pid 3775] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3778] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3777] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3776] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3775] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3778] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3777] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3775] <... futex resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3778] mount(NULL, "./config", "configfs", 0, NULL [pid 3777] <... futex resumed>) = 0 [pid 3775] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3778] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3778] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3775] <... futex resumed>) = 0 [pid 3778] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3777] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3775] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3781 ci2-android-5-15/strace-static-x86_64: Process 3781 attached ci2-android-5-15/strace-static-x86_64: Process 3780 attached ci2-android-5-15/strace-static-x86_64: Process 3779 attached [pid 3778] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3775] <... futex resumed>) = 0 [pid 3778] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3775] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3778] <... futex resumed>) = 0 [pid 3775] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3778] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3775] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3778] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3775] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3781] set_robust_list(0x5555810c5760, 24 [pid 3778] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3775] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3778] <... futex resumed>) = 0 [pid 3775] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3778] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3775] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3781] <... set_robust_list resumed>) = 0 [pid 3780] set_robust_list(0x7f85c0c359a0, 24 [pid 3779] set_robust_list(0x7f85c0c359a0, 24 [pid 3778] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3775] <... futex resumed>) = 0 [pid 3778] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3775] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3781] rt_sigprocmask(SIG_SETMASK, [] [pid 3780] <... set_robust_list resumed>) = 0 [pid 3779] <... set_robust_list resumed>) = 0 [pid 3778] <... mkdirat resumed>) = 0 [pid 3778] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3775] <... futex resumed>) = 0 [pid 3778] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3775] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3778] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3775] <... futex resumed>) = 0 [pid 3778] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3775] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3778] <... symlinkat resumed>) = 0 [pid 3778] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3775] <... futex resumed>) = 0 [pid 3781] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3778] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3775] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3778] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3775] <... futex resumed>) = 0 [pid 3778] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3775] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3781] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3780] rt_sigprocmask(SIG_SETMASK, [] [pid 3779] rt_sigprocmask(SIG_SETMASK, [] [pid 3778] <... unlinkat resumed>) = 0 [pid 3781] <... prctl resumed>) = 0 [pid 3781] setpgid(0, 0) = 0 [pid 3781] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3780] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3779] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3778] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3781] write(3, "1000", 4 [pid 3780] mkdirat(AT_FDCWD, "./config", 0777 [pid 3778] <... futex resumed>) = 1 [pid 3775] <... futex resumed>) = 0 [pid 3781] <... write resumed>) = 4 [pid 3780] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3778] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3775] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3781] close(3 [pid 3780] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3778] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3775] <... futex resumed>) = 0 [pid 3781] <... close resumed>) = 0 [pid 3780] <... futex resumed>) = 1 [pid 3778] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3776] <... futex resumed>) = 0 [pid 3775] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3781] write(1, "executing program\n", 18 [pid 3776] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3781] <... write resumed>) = 18 [pid 3780] mount(NULL, "./config", "configfs", 0, NULL [pid 3779] mkdirat(AT_FDCWD, "./config", 0777 [pid 3778] <... unlinkat resumed>) = 0 [pid 3776] <... futex resumed>) = 0 [pid 3781] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3778] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3776] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3781] <... futex resumed>) = 0 [pid 3780] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3779] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3778] <... futex resumed>) = 1 [pid 3775] <... futex resumed>) = 0 [pid 3781] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} executing program [pid 3778] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3780] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3775] exit_group(0 [pid 3781] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3779] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3778] <... futex resumed>) = ? [pid 3780] <... futex resumed>) = 1 [pid 3776] <... futex resumed>) = 0 [pid 3775] <... exit_group resumed>) = ? [pid 3781] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3780] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3779] <... futex resumed>) = 1 [pid 3778] +++ exited with 0 +++ [pid 3777] <... futex resumed>) = 0 [pid 3776] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3775] +++ exited with 0 +++ [pid 3781] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3780] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3779] mount(NULL, "./config", "configfs", 0, NULL [pid 3777] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3776] <... futex resumed>) = 0 [pid 3781] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3776] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3781] <... mmap resumed>) = 0x7f85c0c15000 [pid 3781] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3781] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3780] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3777] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3775, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3781] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3779] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3777] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3781] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3780] <... futex resumed>) = 1 [pid 3776] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3779] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3776] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3781] <... clone3 resumed> => {parent_tid=[3782]}, 88) = 3782 [pid 3780] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3776] <... futex resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 3777] <... futex resumed>) = 0 [pid 3779] <... futex resumed>) = 1 [pid 3781] rt_sigprocmask(SIG_SETMASK, [] [pid 3780] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3777] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3776] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3782 attached [pid 3781] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3780] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3779] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3777] <... futex resumed>) = 0 [pid 3776] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3781] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3780] <... futex resumed>) = 0 [pid 3779] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3777] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3776] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3782] set_robust_list(0x7f85c0c359a0, 24 [pid 3781] <... futex resumed>) = 0 [pid 3780] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3779] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3776] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3782] <... set_robust_list resumed>) = 0 [pid 3781] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3776] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3782] rt_sigprocmask(SIG_SETMASK, [] [pid 3780] <... mkdirat resumed>) = 0 [pid 3779] <... futex resumed>) = 1 [pid 3777] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3780] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3779] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3777] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3782] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3780] <... futex resumed>) = 1 [pid 3779] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3777] <... futex resumed>) = 0 [pid 3776] <... futex resumed>) = 0 [pid 3782] mkdirat(AT_FDCWD, "./config", 0777 [pid 3776] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3782] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3776] <... futex resumed>) = 0 [pid 3782] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3780] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3779] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3777] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3776] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3782] <... futex resumed>) = 1 [pid 3781] <... futex resumed>) = 0 [pid 3780] <... symlinkat resumed>) = 0 [pid 3779] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3783 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3782] mount(NULL, "./config", "configfs", 0, NULL [pid 3781] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3780] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3779] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3782] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3781] <... futex resumed>) = 0 [pid 3780] <... futex resumed>) = 1 [pid 3779] <... futex resumed>) = 1 [pid 3777] <... futex resumed>) = 0 [pid 3776] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3782] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3781] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3782] <... futex resumed>) = 0 [pid 3781] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3782] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3781] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3776] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3777] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3782] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3781] <... futex resumed>) = 0 [pid 3780] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3779] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3777] <... futex resumed>) = 0 [pid 3776] <... futex resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3784 [pid 3782] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3781] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3780] <... unlinkat resumed>) = 0 [pid 3779] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3777] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3776] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3782] <... futex resumed>) = 0 [pid 3781] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3780] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3779] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3777] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3776] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3782] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3781] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3780] <... futex resumed>) = 0 [pid 3779] <... futex resumed>) = 0 [pid 3777] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3776] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3784 attached ci2-android-5-15/strace-static-x86_64: Process 3783 attached [pid 3782] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3781] <... futex resumed>) = 0 [pid 3780] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3779] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3777] <... futex resumed>) = 0 [pid 3776] <... futex resumed>) = 0 [pid 3783] set_robust_list(0x5555810c5760, 24 [pid 3782] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3781] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3780] <... unlinkat resumed>) = 0 [pid 3783] <... set_robust_list resumed>) = 0 [pid 3782] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3780] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3779] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3777] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3776] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3783] rt_sigprocmask(SIG_SETMASK, [] [pid 3782] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3780] <... futex resumed>) = 0 [pid 3779] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3777] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3776] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3783] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3782] <... futex resumed>) = 1 [pid 3781] <... futex resumed>) = 0 [pid 3780] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3779] <... futex resumed>) = 0 [pid 3777] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3776] exit_group(0 [pid 3784] set_robust_list(0x5555810c5760, 24 [pid 3783] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3782] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3781] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3779] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3780] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 3777] <... futex resumed>) = 0 [pid 3783] <... prctl resumed>) = 0 [pid 3782] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3781] <... futex resumed>) = 0 [pid 3780] +++ exited with 0 +++ [pid 3779] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3776] <... exit_group resumed>) = ? [pid 3783] setpgid(0, 0 [pid 3782] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3781] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3779] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3777] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3783] <... setpgid resumed>) = 0 [pid 3782] <... mkdirat resumed>) = 0 [pid 3783] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3782] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3777] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3776] +++ exited with 0 +++ [pid 3783] <... openat resumed>) = 3 [pid 3782] <... futex resumed>) = 1 [pid 3781] <... futex resumed>) = 0 [pid 3779] <... futex resumed>) = 0 [pid 3777] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3784] <... set_robust_list resumed>) = 0 [pid 3783] write(3, "1000", 4 [pid 3782] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3781] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3779] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3777] <... futex resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3776, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3783] <... write resumed>) = 4 [pid 3782] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3781] <... futex resumed>) = 0 [pid 3783] close(3 [pid 3782] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3781] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3779] <... unlinkat resumed>) = 0 [pid 3777] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3784] rt_sigprocmask(SIG_SETMASK, [] [pid 3783] <... close resumed>) = 0 [pid 3782] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3779] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3777] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3783] write(1, "executing program\n", 18 [pid 3782] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3779] <... futex resumed>) = 0 executing program [pid 3783] <... write resumed>) = 18 [pid 3782] <... futex resumed>) = 1 [pid 3781] <... futex resumed>) = 0 [pid 3779] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3777] exit_group(0 [pid 3783] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3782] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3781] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3777] <... exit_group resumed>) = ? [pid 3783] <... futex resumed>) = 0 [pid 3782] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3781] <... futex resumed>) = 0 [pid 3779] <... futex resumed>) = ? [pid 3783] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3782] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3781] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3783] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3782] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3783] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3782] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3783] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3782] <... futex resumed>) = 1 [pid 3781] <... futex resumed>) = 0 [pid 3783] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3782] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3781] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3783] <... mmap resumed>) = 0x7f85c0c15000 [pid 3782] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3781] <... futex resumed>) = 0 [pid 3779] +++ exited with 0 +++ [pid 3777] +++ exited with 0 +++ [pid 3783] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3782] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3781] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... restart_syscall resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3777, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3784] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3783] <... mprotect resumed>) = 0 [pid 3782] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3783] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3782] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3783] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3782] <... futex resumed>) = 1 [pid 3781] <... futex resumed>) = 0 [pid 3784] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3783] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3782] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3781] exit_group(0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3784] <... prctl resumed>) = 0 [pid 3782] <... futex resumed>) = ? [pid 3781] <... exit_group resumed>) = ? [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3784] setpgid(0, 0 [pid 3783] <... clone3 resumed> => {parent_tid=[3785]}, 88) = 3785 [pid 3782] +++ exited with 0 +++ [pid 3781] +++ exited with 0 +++ [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3784] <... setpgid resumed>) = 0 [pid 3783] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 3785 attached [pid 3785] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3785] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3785] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 3786 attached [pid 3786] set_robust_list(0x5555810c5760, 24) = 0 [pid 3786] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3786 [pid 3783] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3781, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3783] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3787 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3784] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3783] <... futex resumed>) = 1 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3783] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3785] <... futex resumed>) = 0 [pid 3784] <... openat resumed>) = 3 [pid 3785] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3785] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3784] write(3, "1000", 4 [pid 304] <... restart_syscall resumed>) = 0 [pid 3784] <... write resumed>) = 4 [pid 3783] <... futex resumed>) = 0 [pid 3783] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3785] <... futex resumed>) = 1 [pid 3784] close(3 [pid 3783] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3784] <... close resumed>) = 0 [pid 3783] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3784] write(1, "executing program\n", 18 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3784] <... write resumed>) = 18 [pid 3785] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3785] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3785] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3783] <... futex resumed>) = 0 [pid 3784] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3783] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3788 [pid 3784] <... futex resumed>) = 0 [pid 3783] <... futex resumed>) = 0 [pid 3784] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} executing program [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3783] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3784] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3785] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3784] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3785] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 3788 attached ) = -1 EEXIST (File exists) [pid 3784] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3785] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3783] <... futex resumed>) = 0 [pid 3784] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3783] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3785] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3783] <... futex resumed>) = 0 [pid 3784] <... mmap resumed>) = 0x7f85c0c15000 [pid 3785] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3784] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3783] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3788] set_robust_list(0x5555810c5760, 24 [pid 3784] <... mprotect resumed>) = 0 [pid 3785] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3783] <... futex resumed>) = 0 [pid 3785] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3784] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3783] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3788] <... set_robust_list resumed>) = 0 [pid 3785] <... mkdirat resumed>) = 0 [pid 3784] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3783] <... futex resumed>) = 0 [pid 3784] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3783] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3785] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3783] <... futex resumed>) = 0 [pid 3785] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3783] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3784] <... clone3 resumed> => {parent_tid=[3789]}, 88) = 3789 [pid 3783] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3784] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 3787 attached [pid 3788] rt_sigprocmask(SIG_SETMASK, [] [pid 3785] <... symlinkat resumed>) = 0 [pid 3784] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3785] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3784] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3785] <... futex resumed>) = 1 [pid 3784] <... futex resumed>) = 0 [pid 3783] <... futex resumed>) = 0 [pid 3784] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3783] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3785] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3783] <... futex resumed>) = 0 [pid 3785] <... unlinkat resumed>) = 0 [pid 3783] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3785] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3783] <... futex resumed>) = 0 [pid 3788] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3783] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3785] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3783] <... futex resumed>) = 0 [pid 3788] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3783] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3788] <... prctl resumed>) = 0 [pid 3787] set_robust_list(0x5555810c5760, 24 [pid 3785] <... unlinkat resumed>) = 0 [pid 3785] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3788] setpgid(0, 0 [pid 3783] <... futex resumed>) = 0 [pid 3785] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3783] exit_group(0 [pid 3788] <... setpgid resumed>) = 0 [pid 3783] <... exit_group resumed>) = ? [pid 3785] <... futex resumed>) = ? [pid 3788] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3787] <... set_robust_list resumed>) = 0 [pid 3785] +++ exited with 0 +++ [pid 3783] +++ exited with 0 +++ [pid 3786] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3783, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3788] write(3, "1000", 4 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3788] <... write resumed>) = 4 [pid 3786] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3786] setpgid(0, 0) = 0 [pid 3788] close(3 [pid 3786] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3787] rt_sigprocmask(SIG_SETMASK, [] [pid 3788] <... close resumed>) = 0 [pid 3787] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3786] <... openat resumed>) = 3 [pid 3786] write(3, "1000", 4) = 4 [pid 3786] close(3) = 0 executing program [pid 3786] write(1, "executing program\n", 18) = 18 [pid 3786] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3786] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3786] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3786] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3788] write(1, "executing program\n", 18 [pid 3787] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3786] <... mmap resumed>) = 0x7f85c0c15000 executing program [pid 3788] <... write resumed>) = 18 [pid 3786] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3788] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3787] <... prctl resumed>) = 0 [pid 3788] <... futex resumed>) = 0 [pid 3788] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3787] setpgid(0, 0 [pid 3786] <... mprotect resumed>) = 0 [pid 3788] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3788] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3787] <... setpgid resumed>) = 0 [pid 3786] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3788] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 3788] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3786] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3788] <... mmap resumed>) = 0x7f85c0c15000 [pid 3787] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3788] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3788] <... mprotect resumed>) = 0 [pid 3787] <... openat resumed>) = 3 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3786] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[3790]}, 88) = 3790 [pid 3786] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3788] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3787] write(3, "1000", 4 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3791 [pid 3788] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3788] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3786] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3787] <... write resumed>) = 4 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3787] close(3ci2-android-5-15/strace-static-x86_64: Process 3789 attached [pid 3788] <... clone3 resumed> => {parent_tid=[3792]}, 88) = 3792 [pid 3786] <... futex resumed>) = 0 [pid 3787] <... close resumed>) = 0 [pid 3788] rt_sigprocmask(SIG_SETMASK, [] [pid 3787] write(1, "executing program\n", 18 [pid 3788] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3787] <... write resumed>) = 18 [pid 3788] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3789] set_robust_list(0x7f85c0c359a0, 24 [pid 3788] <... futex resumed>) = 0 [pid 3787] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 3786] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3789] <... set_robust_list resumed>) = 0 [pid 3788] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3787] <... futex resumed>) = 0 [pid 3789] rt_sigprocmask(SIG_SETMASK, [] [pid 3787] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3789] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3787] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3789] mkdirat(AT_FDCWD, "./config", 0777 [pid 3787] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3789] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3787] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3789] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3787] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3789] <... futex resumed>) = 1 [pid 3787] <... mmap resumed>) = 0x7f85c0c15000 [pid 3784] <... futex resumed>) = 0 [pid 3787] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3784] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3789] mount(NULL, "./config", "configfs", 0, NULL [pid 3787] <... mprotect resumed>) = 0 [pid 3784] <... futex resumed>) = 0 [pid 3789] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3787] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3784] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3787] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3792 attached ci2-android-5-15/strace-static-x86_64: Process 3791 attached [pid 3789] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3787] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3789] <... futex resumed>) = 1 [pid 3784] <... futex resumed>) = 0 [pid 3789] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3784] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3789] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3784] <... futex resumed>) = 0 [pid 3787] <... clone3 resumed> => {parent_tid=[3793]}, 88) = 3793 [pid 3784] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3787] rt_sigprocmask(SIG_SETMASK, [] [pid 3789] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3787] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3789] <... futex resumed>) = 1 [pid 3787] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3784] <... futex resumed>) = 0 [pid 3787] <... futex resumed>) = 0 [pid 3784] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3787] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3784] <... futex resumed>) = 0 [pid 3789] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3784] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3789] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3789] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3784] <... futex resumed>) = 0 [pid 3789] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3784] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3791] set_robust_list(0x5555810c5760, 24 [pid 3789] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3784] <... futex resumed>) = 0 [pid 3792] set_robust_list(0x7f85c0c359a0, 24 [pid 3791] <... set_robust_list resumed>) = 0 [pid 3789] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3784] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3792] <... set_robust_list resumed>) = 0 [pid 3791] rt_sigprocmask(SIG_SETMASK, [] [pid 3789] <... mkdirat resumed>) = 0 [pid 3789] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3784] <... futex resumed>) = 0 [pid 3791] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3792] rt_sigprocmask(SIG_SETMASK, [] [pid 3789] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3784] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3792] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3791] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3789] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3784] <... futex resumed>) = 0 [pid 3789] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3792] mkdirat(AT_FDCWD, "./config", 0777 [pid 3791] <... prctl resumed>) = 0 [pid 3789] <... symlinkat resumed>) = 0 [pid 3784] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3790 attached [pid 3789] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3784] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3791] setpgid(0, 0 [pid 3792] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3790] set_robust_list(0x7f85c0c359a0, 24 [pid 3789] <... futex resumed>) = 0 [pid 3784] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3790] <... set_robust_list resumed>) = 0 [pid 3789] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3784] <... futex resumed>) = 0 [pid 3792] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3791] <... setpgid resumed>) = 0 [pid 3790] rt_sigprocmask(SIG_SETMASK, [] [pid 3789] <... unlinkat resumed>) = 0 [pid 3784] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3790] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3789] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3784] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3792] <... futex resumed>) = 1 [pid 3791] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3790] mkdirat(AT_FDCWD, "./config", 0777 [pid 3789] <... futex resumed>) = 0 [pid 3788] <... futex resumed>) = 0 [pid 3784] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3793 attached [pid 3792] mount(NULL, "./config", "configfs", 0, NULL [pid 3790] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3789] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3788] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3784] <... futex resumed>) = 0 [pid 3793] set_robust_list(0x7f85c0c359a0, 24 [pid 3792] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3791] <... openat resumed>) = 3 [pid 3790] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3789] <... unlinkat resumed>) = 0 [pid 3788] <... futex resumed>) = 0 [pid 3784] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3793] <... set_robust_list resumed>) = 0 [pid 3792] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3791] write(3, "1000", 4 [pid 3790] <... futex resumed>) = 1 [pid 3789] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3788] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3786] <... futex resumed>) = 0 [pid 3784] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3793] rt_sigprocmask(SIG_SETMASK, [] [pid 3792] <... futex resumed>) = 0 [pid 3791] <... write resumed>) = 4 [pid 3790] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3789] <... futex resumed>) = 0 [pid 3788] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3786] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3784] exit_group(0 [pid 3793] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3792] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3791] close(3 [pid 3790] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3788] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3786] <... futex resumed>) = 0 [pid 3784] <... exit_group resumed>) = ? [pid 3793] mkdirat(AT_FDCWD, "./config", 0777 [pid 3792] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3791] <... close resumed>) = 0 [pid 3790] mount(NULL, "./config", "configfs", 0, NULL [pid 3789] +++ exited with 0 +++ [pid 3788] <... futex resumed>) = 0 [pid 3786] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3793] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3790] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3793] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3790] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3793] <... futex resumed>) = 1 [pid 3790] <... futex resumed>) = 1 [pid 3786] <... futex resumed>) = 0 [pid 3784] +++ exited with 0 +++ [pid 3788] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3793] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3792] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3791] write(1, "executing program\n", 18 [pid 3790] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3787] <... futex resumed>) = 0 [pid 3786] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3792] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3791] <... write resumed>) = 18 [pid 3790] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3787] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3786] <... futex resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3784, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3793] <... futex resumed>) = 0 executing program [pid 3792] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3791] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3790] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3787] <... futex resumed>) = 1 [pid 3786] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3793] mount(NULL, "./config", "configfs", 0, NULL [pid 3792] <... futex resumed>) = 1 [pid 3791] <... futex resumed>) = 0 [pid 3790] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3788] <... futex resumed>) = 0 [pid 3787] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... restart_syscall resumed>) = 0 [pid 3793] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3792] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3791] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3790] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3788] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3793] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3792] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3791] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3790] <... futex resumed>) = 1 [pid 3788] <... futex resumed>) = 0 [pid 3786] <... futex resumed>) = 0 [pid 3793] <... futex resumed>) = 1 [pid 3792] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3791] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3790] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3788] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3787] <... futex resumed>) = 0 [pid 3786] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3793] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3792] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3791] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3790] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3787] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3786] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3793] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3792] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3791] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3790] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3787] <... futex resumed>) = 0 [pid 3786] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3793] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3792] <... futex resumed>) = 1 [pid 3791] <... mmap resumed>) = 0x7f85c0c15000 [pid 3790] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3788] <... futex resumed>) = 0 [pid 3787] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3793] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3792] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3791] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3790] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3788] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3793] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3790] <... futex resumed>) = 1 [pid 3786] <... futex resumed>) = 0 [pid 3793] <... futex resumed>) = 1 [pid 3790] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3786] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3793] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3790] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3786] <... futex resumed>) = 0 [pid 3790] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3786] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3792] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3790] <... mkdirat resumed>) = 0 [pid 3788] <... futex resumed>) = 0 [pid 3787] <... futex resumed>) = 0 [pid 3791] <... mprotect resumed>) = 0 [pid 3792] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3790] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3788] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3787] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3794 [pid 3792] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3791] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3793] <... futex resumed>) = 0 [pid 3790] <... futex resumed>) = 1 [pid 3787] <... futex resumed>) = 1 [pid 3786] <... futex resumed>) = 0 [pid 3793] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3792] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3791] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3790] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3787] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3786] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3793] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3792] <... futex resumed>) = 1 [pid 3791] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3790] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3788] <... futex resumed>) = 0 [pid 3786] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3793] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3792] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3790] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3788] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3786] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3793] <... futex resumed>) = 1 [pid 3792] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3791] <... clone3 resumed> => {parent_tid=[3795]}, 88) = 3795 [pid 3790] <... symlinkat resumed>) = 0 [pid 3788] <... futex resumed>) = 0 [pid 3787] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3795 attached [pid 3793] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3792] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3791] rt_sigprocmask(SIG_SETMASK, [] [pid 3790] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3788] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3787] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3794 attached [pid 3793] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3792] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3791] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3790] <... futex resumed>) = 1 [pid 3787] <... futex resumed>) = 0 [pid 3786] <... futex resumed>) = 0 [pid 3795] set_robust_list(0x7f85c0c359a0, 24 [pid 3794] set_robust_list(0x5555810c5760, 24 [pid 3793] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3792] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3791] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3790] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3787] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3786] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3794] <... set_robust_list resumed>) = 0 [pid 3793] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3792] <... futex resumed>) = 1 [pid 3791] <... futex resumed>) = 0 [pid 3790] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3788] <... futex resumed>) = 0 [pid 3786] <... futex resumed>) = 0 [pid 3795] <... set_robust_list resumed>) = 0 [pid 3794] rt_sigprocmask(SIG_SETMASK, [] [pid 3793] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3792] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3791] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3790] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3788] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3786] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3794] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3793] <... futex resumed>) = 1 [pid 3792] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3790] <... unlinkat resumed>) = 0 [pid 3788] <... futex resumed>) = 0 [pid 3787] <... futex resumed>) = 0 [pid 3795] rt_sigprocmask(SIG_SETMASK, [] [pid 3794] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3793] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3792] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3790] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3788] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3787] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3794] <... prctl resumed>) = 0 [pid 3793] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3792] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3790] <... futex resumed>) = 1 [pid 3787] <... futex resumed>) = 0 [pid 3786] <... futex resumed>) = 0 [pid 3794] setpgid(0, 0 [pid 3793] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3792] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3790] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3787] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3786] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3795] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3794] <... setpgid resumed>) = 0 [pid 3793] <... symlinkat resumed>) = 0 [pid 3792] <... futex resumed>) = 1 [pid 3790] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3788] <... futex resumed>) = 0 [pid 3786] <... futex resumed>) = 0 [pid 3795] mkdirat(AT_FDCWD, "./config", 0777 [pid 3794] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3793] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3792] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3790] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3788] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3786] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3795] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3794] <... openat resumed>) = 3 [pid 3793] <... futex resumed>) = 1 [pid 3792] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3790] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3788] <... futex resumed>) = 0 [pid 3787] <... futex resumed>) = 0 [pid 3795] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3794] write(3, "1000", 4 [pid 3793] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3792] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3790] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3788] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3787] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3795] <... futex resumed>) = 1 [pid 3794] <... write resumed>) = 4 [pid 3793] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3792] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3791] <... futex resumed>) = 0 [pid 3790] <... futex resumed>) = 1 [pid 3787] <... futex resumed>) = 0 [pid 3786] <... futex resumed>) = 0 [pid 3795] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3794] close(3 [pid 3793] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3792] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3791] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3790] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3787] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3786] exit_group(0 [pid 3795] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3794] <... close resumed>) = 0 [pid 3793] <... unlinkat resumed>) = 0 [pid 3792] <... futex resumed>) = 1 [pid 3791] <... futex resumed>) = 0 [pid 3790] <... futex resumed>) = ? [pid 3788] <... futex resumed>) = 0 [pid 3786] <... exit_group resumed>) = ? [pid 3795] mount(NULL, "./config", "configfs", 0, NULL [pid 3794] write(1, "executing program\n", 18 [pid 3793] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3792] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3791] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3790] +++ exited with 0 +++ executing program [pid 3788] exit_group(0 [pid 3786] +++ exited with 0 +++ [pid 3795] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3794] <... write resumed>) = 18 [pid 3793] <... futex resumed>) = 1 [pid 3788] <... exit_group resumed>) = ? [pid 3787] <... futex resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3786, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3792] <... futex resumed>) = ? [pid 3795] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3794] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3793] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3787] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3794] <... futex resumed>) = 0 [pid 3793] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3787] <... futex resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3794] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3793] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3787] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3794] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3793] <... unlinkat resumed>) = 0 [pid 3792] +++ exited with 0 +++ [pid 3795] <... futex resumed>) = 1 [pid 3791] <... futex resumed>) = 0 [pid 3788] +++ exited with 0 +++ [pid 3794] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3793] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3791] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3788, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3795] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3794] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3793] <... futex resumed>) = 1 [pid 3791] <... futex resumed>) = 0 [pid 3787] <... futex resumed>) = 0 [pid 3795] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3794] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3793] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3791] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3787] exit_group(0 [pid 3795] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3794] <... mmap resumed>) = 0x7f85c0c15000 [pid 3793] <... futex resumed>) = ? [pid 3791] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3787] <... exit_group resumed>) = ? [pid 3795] <... futex resumed>) = 0 [pid 3794] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3793] +++ exited with 0 +++ [pid 3791] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3787] +++ exited with 0 +++ [pid 3795] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3794] <... mprotect resumed>) = 0 [pid 3795] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3794] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3791] <... futex resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3787, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3795] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3794] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3791] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3795] <... futex resumed>) = 0 [pid 3794] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3791] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3795] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3791] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3795] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3794] <... clone3 resumed> => {parent_tid=[3796]}, 88) = 3796 [pid 3791] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3796 attached [pid 3795] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3794] rt_sigprocmask(SIG_SETMASK, [] [pid 3791] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3796] set_robust_list(0x7f85c0c359a0, 24 [pid 3795] <... mkdirat resumed>) = 0 [pid 3794] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3795] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3794] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3795] <... futex resumed>) = 1 [pid 3794] <... futex resumed>) = 0 [pid 3791] <... futex resumed>) = 0 [pid 3795] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3794] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3791] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3795] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3791] <... futex resumed>) = 0 [pid 3795] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3791] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3796] <... set_robust_list resumed>) = 0 [pid 3796] rt_sigprocmask(SIG_SETMASK, [] [pid 3795] <... symlinkat resumed>) = 0 [pid 3796] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3795] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3796] mkdirat(AT_FDCWD, "./config", 0777 [pid 3795] <... futex resumed>) = 1 [pid 3791] <... futex resumed>) = 0 [pid 3795] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3796] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3795] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3791] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3795] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3791] <... futex resumed>) = 0 [pid 3796] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3795] <... unlinkat resumed>) = 0 [pid 3791] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3795] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3791] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3795] <... futex resumed>) = 0 [pid 3791] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3795] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3791] <... futex resumed>) = 0 [pid 3796] <... futex resumed>) = 1 [pid 3796] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3795] <... unlinkat resumed>) = 0 [pid 3794] <... futex resumed>) = 0 [pid 3791] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3795] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3794] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3791] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3795] <... futex resumed>) = 0 [pid 3794] <... futex resumed>) = 0 [pid 3795] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3794] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3791] exit_group(0 [pid 3796] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3795] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 3791] <... exit_group resumed>) = ? [pid 3796] mount(NULL, "./config", "configfs", 0, NULL [pid 3795] +++ exited with 0 +++ [pid 3796] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3796] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3796] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3794] <... futex resumed>) = 0 [pid 3791] +++ exited with 0 +++ [pid 3794] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3796] <... futex resumed>) = 0 [pid 3794] <... futex resumed>) = 1 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3791, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3794] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3796] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3796] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3796] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3794] <... futex resumed>) = 0 [pid 3794] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3796] <... futex resumed>) = 0 [pid 3794] <... futex resumed>) = 1 [pid 3796] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3794] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3796] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3796] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3794] <... futex resumed>) = 0 [pid 3796] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3794] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3796] <... mkdirat resumed>) = 0 [pid 3794] <... futex resumed>) = 0 [pid 3796] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3794] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3796] <... futex resumed>) = 0 [pid 3794] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3796] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3794] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3796] <... symlinkat resumed>) = 0 [pid 3794] <... futex resumed>) = 0 [pid 3796] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3794] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3796] <... futex resumed>) = 0 [pid 3794] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3796] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3794] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3796] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3794] <... futex resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 3796] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3794] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3796] <... unlinkat resumed>) = 0 [pid 3796] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3794] <... futex resumed>) = 0 [pid 3796] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3794] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... restart_syscall resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3796] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3794] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3796] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3794] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3796] <... unlinkat resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3796] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3794] <... futex resumed>) = 0 [pid 3796] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3794] exit_group(0 [pid 3796] <... futex resumed>) = ? [pid 3794] <... exit_group resumed>) = ? [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 3797 attached [pid 3796] +++ exited with 0 +++ [pid 3794] +++ exited with 0 +++ [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3797 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 3799 attached ci2-android-5-15/strace-static-x86_64: Process 3798 attached [pid 3797] set_robust_list(0x5555810c5760, 24 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3794, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3798 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3799] set_robust_list(0x5555810c5760, 24 [pid 3798] set_robust_list(0x5555810c5760, 24 [pid 3797] <... set_robust_list resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3799 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3799] <... set_robust_list resumed>) = 0 [pid 3797] rt_sigprocmask(SIG_SETMASK, [] [pid 3798] <... set_robust_list resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... restart_syscall resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3797] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3800 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3797] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3797] <... prctl resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3797] setpgid(0, 0ci2-android-5-15/strace-static-x86_64: Process 3800 attached [pid 3800] set_robust_list(0x5555810c5760, 24) = 0 [pid 3800] rt_sigprocmask(SIG_SETMASK, [] [pid 3797] <... setpgid resumed>) = 0 [pid 3800] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3801 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3797] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3800] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3800] setpgid(0, 0 [pid 3797] <... openat resumed>) = 3 [pid 3800] <... setpgid resumed>) = 0 [pid 3800] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3797] write(3, "1000", 4 [pid 3800] <... openat resumed>) = 3 [pid 3799] rt_sigprocmask(SIG_SETMASK, [] [pid 3797] <... write resumed>) = 4 [pid 3800] write(3, "1000", 4) = 4 [pid 3800] close(3) = 0 [pid 3799] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3798] rt_sigprocmask(SIG_SETMASK, [] [pid 3797] close(3ci2-android-5-15/strace-static-x86_64: Process 3801 attached [pid 3801] set_robust_list(0x5555810c5760, 24) = 0 [pid 3801] rt_sigprocmask(SIG_SETMASK, [] [pid 3797] <... close resumed>) = 0 [pid 3800] write(1, "executing program\n", 18 [pid 3799] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3798] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3801] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3799] <... prctl resumed>) = 0 [pid 3797] write(1, "executing program\n", 18 [pid 3798] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3800] <... write resumed>) = 18 [pid 3799] setpgid(0, 0 [pid 3798] <... prctl resumed>) = 0 [pid 3797] <... write resumed>) = 18 executing program executing program [pid 3801] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3801] setpgid(0, 0) = 0 [pid 3800] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3799] <... setpgid resumed>) = 0 [pid 3798] setpgid(0, 0 [pid 3797] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3800] <... futex resumed>) = 0 [pid 3797] <... futex resumed>) = 0 [pid 3799] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3797] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3798] <... setpgid resumed>) = 0 [pid 3800] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3797] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3799] <... openat resumed>) = 3 [pid 3800] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3798] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3799] write(3, "1000", 4 [pid 3797] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3799] <... write resumed>) = 4 [pid 3801] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3799] close(3 [pid 3798] <... openat resumed>) = 3 [pid 3797] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3800] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3799] <... close resumed>) = 0 [pid 3798] write(3, "1000", 4 [pid 3797] <... mmap resumed>) = 0x7f85c0c15000 [pid 3797] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3799] write(1, "executing program\n", 18 [pid 3800] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3798] <... write resumed>) = 4 [pid 3797] <... mprotect resumed>) = 0 executing program [pid 3797] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3800] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3799] <... write resumed>) = 18 [pid 3798] close(3 [pid 3797] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3797] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3799] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3801] <... openat resumed>) = 3 [pid 3799] <... futex resumed>) = 0 [pid 3800] <... mmap resumed>) = 0x7f85c0c15000 [pid 3798] <... close resumed>) = 0 [pid 3797] <... clone3 resumed> => {parent_tid=[3802]}, 88) = 3802 [pid 3799] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3800] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3798] write(1, "executing program\n", 18 [pid 3797] rt_sigprocmask(SIG_SETMASK, [] [pid 3801] write(3, "1000", 4 [pid 3797] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3800] <... mprotect resumed>) = 0 executing program [pid 3799] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3798] <... write resumed>) = 18 [pid 3797] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3799] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3800] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3798] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3797] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3801] <... write resumed>) = 4 [pid 3800] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3799] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3798] <... futex resumed>) = 0 [pid 3801] close(3 [pid 3800] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3799] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3798] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3801] <... close resumed>) = 0 executing program [pid 3801] write(1, "executing program\n", 18) = 18 [pid 3799] <... mmap resumed>) = 0x7f85c0c15000 [pid 3801] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3799] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3798] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3799] <... mprotect resumed>) = 0 [pid 3800] <... clone3 resumed> => {parent_tid=[3803]}, 88) = 3803 [pid 3798] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3801] <... futex resumed>) = 0 [pid 3801] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3801] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3801] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3801] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3801] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3800] rt_sigprocmask(SIG_SETMASK, [] [pid 3801] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3799] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3798] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3801] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3800] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3799] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3798] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3800] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3799] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0}ci2-android-5-15/strace-static-x86_64: Process 3802 attached [pid 3802] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3800] <... futex resumed>) = 0 [pid 3798] <... mmap resumed>) = 0x7f85c0c15000 [pid 3798] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3801] <... clone3 resumed> => {parent_tid=[3805]}, 88) = 3805 [pid 3800] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3799] <... clone3 resumed> => {parent_tid=[3804]}, 88) = 3804 [pid 3801] rt_sigprocmask(SIG_SETMASK, [] [pid 3799] rt_sigprocmask(SIG_SETMASK, [] [pid 3798] <... mprotect resumed>) = 0 [pid 3801] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3799] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3798] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3801] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3799] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3798] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3799] <... futex resumed>) = 0 [pid 3801] <... futex resumed>) = 0 [pid 3798] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3799] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3802] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3801] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3798] <... clone3 resumed> => {parent_tid=[3806]}, 88) = 3806 [pid 3798] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3798] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3802] mkdirat(AT_FDCWD, "./config", 0777 [pid 3798] <... futex resumed>) = 0 [pid 3802] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3798] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3806 attached [pid 3806] set_robust_list(0x7f85c0c359a0, 24 [pid 3802] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3797] <... futex resumed>) = 0 [pid 3797] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3802] mount(NULL, "./config", "configfs", 0, NULL [pid 3797] <... futex resumed>) = 0 [pid 3802] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3797] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3802] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3797] <... futex resumed>) = 0 [pid 3797] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3797] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3802] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3802] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3797] <... futex resumed>) = 0 [pid 3802] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3797] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3802] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3797] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3806] <... set_robust_list resumed>) = 0 [pid 3802] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3797] <... futex resumed>) = 0 [pid 3802] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3797] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3806] rt_sigprocmask(SIG_SETMASK, [] [pid 3797] <... futex resumed>) = 0 [pid 3806] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3802] <... mkdirat resumed>) = 0 [pid 3797] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3802] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3797] <... futex resumed>) = 0 [pid 3802] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3806] mkdirat(AT_FDCWD, "./config", 0777 [pid 3797] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3806] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3802] <... symlinkat resumed>) = 0 [pid 3797] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3803 attached [pid 3806] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3797] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3806] <... futex resumed>) = 1 [pid 3803] set_robust_list(0x7f85c0c359a0, 24 [pid 3798] <... futex resumed>) = 0 [pid 3803] <... set_robust_list resumed>) = 0 [pid 3798] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3806] mount(NULL, "./config", "configfs", 0, NULL [pid 3798] <... futex resumed>) = 0 [pid 3803] rt_sigprocmask(SIG_SETMASK, [] [pid 3798] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3806] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3803] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3802] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3806] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3803] mkdirat(AT_FDCWD, "./config", 0777 [pid 3802] <... futex resumed>) = 1 [pid 3797] <... futex resumed>) = 0 [pid 3806] <... futex resumed>) = 1 [pid 3803] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3802] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3798] <... futex resumed>) = 0 [pid 3797] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3806] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3798] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3797] <... futex resumed>) = 0 [pid 3798] <... futex resumed>) = 0 [pid 3797] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3806] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3798] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3806] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3803] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3802] <... unlinkat resumed>) = 0 [pid 3806] <... futex resumed>) = 1 [pid 3803] <... futex resumed>) = 1 [pid 3802] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3800] <... futex resumed>) = 0 [pid 3798] <... futex resumed>) = 0 [pid 3806] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3800] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3798] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3806] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3800] <... futex resumed>) = 0 [pid 3798] <... futex resumed>) = 0 [pid 3800] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3798] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3806] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3803] mount(NULL, "./config", "configfs", 0, NULL [pid 3802] <... futex resumed>) = 1 [pid 3797] <... futex resumed>) = 0 [pid 3806] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3797] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3804 attached [pid 3806] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3803] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3802] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3797] <... futex resumed>) = 0 [pid 3806] <... futex resumed>) = 1 [pid 3798] <... futex resumed>) = 0 [pid 3797] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3806] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3798] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3806] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3798] <... futex resumed>) = 0 [pid 3806] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3798] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3805 attached [pid 3804] set_robust_list(0x7f85c0c359a0, 24 [pid 3803] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3802] <... unlinkat resumed>) = 0 [pid 3805] set_robust_list(0x7f85c0c359a0, 24 [pid 3804] <... set_robust_list resumed>) = 0 [pid 3803] <... futex resumed>) = 1 [pid 3802] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3800] <... futex resumed>) = 0 [pid 3806] <... mkdirat resumed>) = 0 [pid 3800] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3806] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3805] <... set_robust_list resumed>) = 0 [pid 3804] rt_sigprocmask(SIG_SETMASK, [] [pid 3803] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3802] <... futex resumed>) = 1 [pid 3800] <... futex resumed>) = 0 [pid 3797] <... futex resumed>) = 0 [pid 3806] <... futex resumed>) = 1 [pid 3805] rt_sigprocmask(SIG_SETMASK, [] [pid 3804] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3803] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3802] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3800] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3798] <... futex resumed>) = 0 [pid 3806] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3805] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3804] mkdirat(AT_FDCWD, "./config", 0777 [pid 3803] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3800] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3798] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3797] exit_group(0 [pid 3806] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3805] mkdirat(AT_FDCWD, "./config", 0777 [pid 3804] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3803] <... futex resumed>) = 0 [pid 3800] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3798] <... futex resumed>) = 0 [pid 3806] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3805] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3804] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3803] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3802] <... futex resumed>) = ? [pid 3800] <... futex resumed>) = 0 [pid 3798] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3797] <... exit_group resumed>) = ? [pid 3806] <... symlinkat resumed>) = 0 [pid 3805] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3804] <... futex resumed>) = 1 [pid 3803] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3802] +++ exited with 0 +++ [pid 3800] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3799] <... futex resumed>) = 0 [pid 3805] <... futex resumed>) = 1 [pid 3804] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3803] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3805] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3803] <... futex resumed>) = 0 [pid 3803] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3797] +++ exited with 0 +++ [pid 3806] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3801] <... futex resumed>) = 0 [pid 3800] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3799] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3797, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3806] <... futex resumed>) = 1 [pid 3804] <... futex resumed>) = 0 [pid 3801] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3800] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3799] <... futex resumed>) = 1 [pid 3798] <... futex resumed>) = 0 [pid 3806] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3805] <... futex resumed>) = 0 [pid 3804] mount(NULL, "./config", "configfs", 0, NULL [pid 3803] <... futex resumed>) = 0 [pid 3801] <... futex resumed>) = 1 [pid 3800] <... futex resumed>) = 1 [pid 3799] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3798] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3806] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3805] mount(NULL, "./config", "configfs", 0, NULL [pid 3804] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3803] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3801] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3800] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3798] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3806] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3805] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3804] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3803] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3798] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3806] <... unlinkat resumed>) = 0 [pid 3805] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3804] <... futex resumed>) = 1 [pid 3803] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3799] <... futex resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3806] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3805] <... futex resumed>) = 1 [pid 3804] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3803] <... futex resumed>) = 1 [pid 3801] <... futex resumed>) = 0 [pid 3800] <... futex resumed>) = 0 [pid 3799] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3805] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3804] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3803] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3804] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3806] <... futex resumed>) = 1 [pid 3803] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3801] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3800] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3799] <... futex resumed>) = 0 [pid 3798] <... futex resumed>) = 0 [pid 3806] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3805] <... futex resumed>) = 0 [pid 3804] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3803] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3801] <... futex resumed>) = 1 [pid 3800] <... futex resumed>) = 0 [pid 3799] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3798] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3807 ci2-android-5-15/strace-static-x86_64: Process 3807 attached [pid 3806] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3805] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3804] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3803] <... symlinkat resumed>) = 0 [pid 3801] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3800] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3799] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3798] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3806] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3805] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3804] <... futex resumed>) = 0 [pid 3803] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3800] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3799] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3798] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3806] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3805] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3804] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3803] <... futex resumed>) = 0 [pid 3800] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3799] <... futex resumed>) = 0 [pid 3806] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3805] <... futex resumed>) = 1 [pid 3804] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3803] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3801] <... futex resumed>) = 0 [pid 3800] <... futex resumed>) = 0 [pid 3806] <... futex resumed>) = 1 [pid 3805] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3804] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3803] <... unlinkat resumed>) = 0 [pid 3801] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3800] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3799] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3798] <... futex resumed>) = 0 [pid 3807] set_robust_list(0x5555810c5760, 24 [pid 3806] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3805] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3804] <... futex resumed>) = 0 [pid 3803] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3801] <... futex resumed>) = 0 [pid 3800] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3799] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3798] exit_group(0 [pid 3807] <... set_robust_list resumed>) = 0 [pid 3805] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3804] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3803] <... futex resumed>) = 0 [pid 3801] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3800] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3806] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 3799] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3807] rt_sigprocmask(SIG_SETMASK, [] [pid 3806] +++ exited with 0 +++ [pid 3805] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3804] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3803] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3800] <... futex resumed>) = 0 [pid 3799] <... futex resumed>) = 0 [pid 3798] <... exit_group resumed>) = ? [pid 3807] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3805] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3804] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3803] <... unlinkat resumed>) = 0 [pid 3800] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3799] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3807] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3805] <... futex resumed>) = 1 [pid 3804] <... mkdirat resumed>) = 0 [pid 3803] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3798] +++ exited with 0 +++ [pid 3807] <... prctl resumed>) = 0 [pid 3805] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3804] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3803] <... futex resumed>) = 0 [pid 3801] <... futex resumed>) = 0 [pid 3800] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3807] setpgid(0, 0 [pid 3804] <... futex resumed>) = 1 [pid 3803] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3801] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3800] exit_group(0 [pid 3799] <... futex resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3798, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3807] <... setpgid resumed>) = 0 [pid 3805] <... futex resumed>) = 0 [pid 3804] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3803] <... futex resumed>) = ? [pid 3801] <... futex resumed>) = 1 [pid 3800] <... exit_group resumed>) = ? [pid 3799] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3807] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3805] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3804] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3803] +++ exited with 0 +++ [pid 3801] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3807] <... openat resumed>) = 3 [pid 3804] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3800] +++ exited with 0 +++ [pid 3799] <... futex resumed>) = 0 [pid 3807] write(3, "1000", 4 [pid 3805] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3804] <... symlinkat resumed>) = 0 [pid 3799] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3800, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3807] <... write resumed>) = 4 [pid 3805] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3804] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3799] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3807] close(3 [pid 3805] <... futex resumed>) = 1 [pid 3804] <... futex resumed>) = 0 [pid 3801] <... futex resumed>) = 0 [pid 3799] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3807] <... close resumed>) = 0 [pid 3805] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3804] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3801] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3799] <... futex resumed>) = 0 [pid 3807] write(1, "executing program\n", 18 [pid 3805] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3804] <... unlinkat resumed>) = 0 [pid 3801] <... futex resumed>) = 0 executing program [pid 3799] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3807] <... write resumed>) = 18 [pid 3805] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3804] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3801] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3799] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3807] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3804] <... futex resumed>) = 0 [pid 3807] <... futex resumed>) = 0 [pid 3805] <... symlinkat resumed>) = 0 [pid 3804] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3799] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3807] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3805] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3804] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3799] <... futex resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 3807] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3805] <... futex resumed>) = 1 [pid 3804] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3801] <... futex resumed>) = 0 [pid 3799] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... restart_syscall resumed>) = 0 [pid 3807] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3805] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3804] <... futex resumed>) = 0 [pid 3801] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3799] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3807] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3805] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3804] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3801] <... futex resumed>) = 0 [pid 3799] exit_group(0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3807] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3805] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3804] <... futex resumed>) = ? [pid 3801] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3799] <... exit_group resumed>) = ? [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3807] <... mmap resumed>) = 0x7f85c0c15000 [pid 3805] <... unlinkat resumed>) = 0 [pid 3804] +++ exited with 0 +++ [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3807] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3807] <... mprotect resumed>) = 0 [pid 3805] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3799] +++ exited with 0 +++ [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 3808 attached [pid 3807] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3808 [pid 3807] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3805] <... futex resumed>) = 1 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3807] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3805] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3801] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3799, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3807] <... clone3 resumed> => {parent_tid=[3809]}, 88) = 3809 [pid 3801] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3810 [pid 3807] rt_sigprocmask(SIG_SETMASK, [] [pid 3805] <... futex resumed>) = 0 [pid 3801] <... futex resumed>) = 1 [pid 3808] set_robust_list(0x5555810c5760, 24 [pid 305] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 3810 attached ci2-android-5-15/strace-static-x86_64: Process 3809 attached [pid 3809] set_robust_list(0x7f85c0c359a0, 24 [pid 3805] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3801] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3809] <... set_robust_list resumed>) = 0 [pid 3809] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3809] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3807] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3807] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3805] <... unlinkat resumed>) = 0 [pid 3807] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3809] <... futex resumed>) = 0 [pid 3809] mkdirat(AT_FDCWD, "./config", 0777 [pid 3808] <... set_robust_list resumed>) = 0 [pid 3805] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3810] set_robust_list(0x5555810c5760, 24 [pid 3809] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3809] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3807] <... futex resumed>) = 0 [pid 3807] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3807] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3809] <... futex resumed>) = 1 [pid 3809] mount(NULL, "./config", "configfs", 0, NULL [pid 3810] <... set_robust_list resumed>) = 0 [pid 3808] rt_sigprocmask(SIG_SETMASK, [] [pid 3805] <... futex resumed>) = 1 [pid 3801] <... futex resumed>) = 0 [pid 3805] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3801] exit_group(0) = ? [pid 3805] <... futex resumed>) = ? [pid 3809] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3809] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3807] <... futex resumed>) = 0 [pid 3807] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3807] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3809] <... futex resumed>) = 1 [pid 3809] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3809] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3807] <... futex resumed>) = 0 [pid 3807] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3805] +++ exited with 0 +++ [pid 3801] +++ exited with 0 +++ [pid 3807] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3809] <... futex resumed>) = 1 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3801, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3809] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3809] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3809] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3807] <... futex resumed>) = 0 [pid 3807] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3807] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3809] <... futex resumed>) = 1 [pid 3809] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3810] rt_sigprocmask(SIG_SETMASK, [] [pid 3809] <... mkdirat resumed>) = 0 [pid 3808] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3809] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3807] <... futex resumed>) = 0 [pid 3807] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3807] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3809] <... futex resumed>) = 1 [pid 3809] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3808] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3809] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3807] <... futex resumed>) = 0 [pid 3807] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3807] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3809] <... futex resumed>) = 1 [pid 3809] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3808] <... prctl resumed>) = 0 [pid 3810] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3809] <... unlinkat resumed>) = 0 [pid 3808] setpgid(0, 0 [pid 3809] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3807] <... futex resumed>) = 0 [pid 3807] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3807] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3809] <... futex resumed>) = 1 [pid 3809] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3810] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3809] <... unlinkat resumed>) = 0 [pid 3808] <... setpgid resumed>) = 0 [pid 3809] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3807] <... futex resumed>) = 0 [pid 3807] exit_group(0) = ? [pid 3809] <... futex resumed>) = ? [pid 3810] <... prctl resumed>) = 0 [pid 3809] +++ exited with 0 +++ [pid 3808] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3807] +++ exited with 0 +++ [pid 312] <... restart_syscall resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3807, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3810] setpgid(0, 0 [pid 3808] <... openat resumed>) = 3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3810] <... setpgid resumed>) = 0 [pid 3808] write(3, "1000", 4 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3810] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3808] <... write resumed>) = 4 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3808] close(3 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3810] <... openat resumed>) = 3 [pid 3808] <... close resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 3810] write(3, "1000", 4 [pid 3808] write(1, "executing program\n", 18 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3811 ci2-android-5-15/strace-static-x86_64: Process 3811 attached [pid 306] <... restart_syscall resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3811] set_robust_list(0x5555810c5760, 24) = 0 [pid 3811] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3812 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3811] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3811] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3811] setpgid(0, 0) = 0 [pid 3811] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3813 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3811] <... openat resumed>) = 3 [pid 3811] write(3, "1000", 4) = 4 executing program [pid 3811] close(3 [pid 3808] <... write resumed>) = 18 [pid 3811] <... close resumed>) = 0 [pid 3811] write(1, "executing program\n", 18) = 18 executing program [pid 3811] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3811] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3811] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3811] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3811] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3811] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 3813 attached ci2-android-5-15/strace-static-x86_64: Process 3812 attached [pid 3810] <... write resumed>) = 4 [pid 3808] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3811] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3811] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3810] close(3 [pid 3808] <... futex resumed>) = 0 [pid 3811] <... clone3 resumed> => {parent_tid=[3814]}, 88) = 3814 [pid 3808] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}ci2-android-5-15/strace-static-x86_64: Process 3814 attached [pid 3813] set_robust_list(0x5555810c5760, 24 [pid 3812] set_robust_list(0x5555810c5760, 24 [pid 3810] <... close resumed>) = 0 [pid 3811] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3811] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3808] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3812] <... set_robust_list resumed>) = 0 [pid 3813] <... set_robust_list resumed>) = 0 [pid 3810] write(1, "executing program\n", 18 [pid 3811] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3814] set_robust_list(0x7f85c0c359a0, 24 [pid 3812] rt_sigprocmask(SIG_SETMASK, [] [pid 3810] <... write resumed>) = 18 [pid 3813] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 3808] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3812] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3810] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3814] <... set_robust_list resumed>) = 0 [pid 3814] rt_sigprocmask(SIG_SETMASK, [] [pid 3808] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3813] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3812] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3810] <... futex resumed>) = 0 [pid 3814] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3814] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3814] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3813] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3812] <... prctl resumed>) = 0 [pid 3810] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3808] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3811] <... futex resumed>) = 0 [pid 3811] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3811] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3814] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3812] setpgid(0, 0 [pid 3810] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3808] <... mmap resumed>) = 0x7f85c0c15000 [pid 3813] <... prctl resumed>) = 0 [pid 3814] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3811] <... futex resumed>) = 0 [pid 3811] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3811] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3814] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3814] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3811] <... futex resumed>) = 0 [pid 3813] setpgid(0, 0 [pid 3812] <... setpgid resumed>) = 0 [pid 3810] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3808] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3813] <... setpgid resumed>) = 0 [pid 3812] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3810] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3808] <... mprotect resumed>) = 0 [pid 3814] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3813] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3811] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3810] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3808] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3814] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3812] <... openat resumed>) = 3 [pid 3811] <... futex resumed>) = 0 [pid 3810] <... mmap resumed>) = 0x7f85c0c15000 [pid 3808] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3813] <... openat resumed>) = 3 [pid 3812] write(3, "1000", 4 [pid 3810] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3808] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3813] write(3, "1000", 4 [pid 3810] <... mprotect resumed>) = 0 [pid 3814] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3811] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3814] <... futex resumed>) = 0 [pid 3811] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3813] <... write resumed>) = 4 [pid 3810] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3808] <... clone3 resumed> => {parent_tid=[3815]}, 88) = 3815 [pid 3812] <... write resumed>) = 4 [pid 3813] close(3 [pid 3812] close(3 [pid 3810] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3808] rt_sigprocmask(SIG_SETMASK, [] [pid 3813] <... close resumed>) = 0 [pid 3812] <... close resumed>) = 0 [pid 3810] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3808] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3813] write(1, "executing program\n", 18 [pid 3812] write(1, "executing program\n", 18 [pid 3814] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 executing program executing program [pid 3811] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3813] <... write resumed>) = 18 [pid 3812] <... write resumed>) = 18 [pid 3808] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3813] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3810] <... clone3 resumed> => {parent_tid=[3816]}, 88) = 3816 [pid 3808] <... futex resumed>) = 0 [pid 3813] <... futex resumed>) = 0 [pid 3812] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3810] rt_sigprocmask(SIG_SETMASK, [] [pid 3813] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3812] <... futex resumed>) = 0 [pid 3810] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3808] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3813] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3812] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3810] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3813] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3812] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3810] <... futex resumed>) = 0 [pid 3813] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3812] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3813] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3810] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3813] <... mmap resumed>) = 0x7f85c0c15000 [pid 3812] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3813] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3812] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3813] <... mprotect resumed>) = 0 [pid 3812] <... mmap resumed>) = 0x7f85c0c15000 ci2-android-5-15/strace-static-x86_64: Process 3816 attached ci2-android-5-15/strace-static-x86_64: Process 3815 attached [pid 3814] <... mkdirat resumed>) = 0 [pid 3813] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3812] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3811] <... futex resumed>) = 0 [pid 3814] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3811] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3814] <... futex resumed>) = 0 [pid 3811] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3813] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3814] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3812] <... mprotect resumed>) = 0 [pid 3811] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3816] set_robust_list(0x7f85c0c359a0, 24 [pid 3815] set_robust_list(0x7f85c0c359a0, 24 [pid 3813] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3811] <... futex resumed>) = 0 [pid 3816] <... set_robust_list resumed>) = 0 [pid 3812] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3811] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3815] <... set_robust_list resumed>) = 0 [pid 3815] rt_sigprocmask(SIG_SETMASK, [] [pid 3812] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3815] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3815] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3815] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3816] rt_sigprocmask(SIG_SETMASK, [] [pid 3814] <... symlinkat resumed>) = 0 [pid 3813] <... clone3 resumed> => {parent_tid=[3817]}, 88) = 3817 [pid 3812] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3815] <... futex resumed>) = 1 [pid 3808] <... futex resumed>) = 0 [pid 3815] mount(NULL, "./config", "configfs", 0, NULL [pid 3813] rt_sigprocmask(SIG_SETMASK, [] [pid 3808] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3818 attached ci2-android-5-15/strace-static-x86_64: Process 3817 attached [pid 3816] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3815] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3814] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3813] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3812] <... clone3 resumed> => {parent_tid=[3818]}, 88) = 3818 [pid 3808] <... futex resumed>) = 0 [pid 3818] set_robust_list(0x7f85c0c359a0, 24 [pid 3817] set_robust_list(0x7f85c0c359a0, 24 [pid 3816] mkdirat(AT_FDCWD, "./config", 0777 [pid 3814] <... futex resumed>) = 1 [pid 3813] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3812] rt_sigprocmask(SIG_SETMASK, [] [pid 3818] <... set_robust_list resumed>) = 0 [pid 3817] <... set_robust_list resumed>) = 0 [pid 3816] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3814] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3813] <... futex resumed>) = 0 [pid 3812] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3818] rt_sigprocmask(SIG_SETMASK, [] [pid 3817] rt_sigprocmask(SIG_SETMASK, [] [pid 3816] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3813] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3812] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3818] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3817] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3816] <... futex resumed>) = 1 [pid 3812] <... futex resumed>) = 0 [pid 3810] <... futex resumed>) = 0 [pid 3818] mkdirat(AT_FDCWD, "./config", 0777 [pid 3817] mkdirat(AT_FDCWD, "./config", 0777 [pid 3816] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3812] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3810] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3808] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3818] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3817] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3816] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3810] <... futex resumed>) = 0 [pid 3818] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3817] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3816] mount(NULL, "./config", "configfs", 0, NULL [pid 3810] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3818] <... futex resumed>) = 1 [pid 3817] <... futex resumed>) = 1 [pid 3816] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3813] <... futex resumed>) = 0 [pid 3812] <... futex resumed>) = 0 [pid 3818] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3817] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3816] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3813] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3812] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3818] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3817] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3816] <... futex resumed>) = 1 [pid 3813] <... futex resumed>) = 0 [pid 3812] <... futex resumed>) = 0 [pid 3810] <... futex resumed>) = 0 [pid 3818] mount(NULL, "./config", "configfs", 0, NULL [pid 3817] mount(NULL, "./config", "configfs", 0, NULL [pid 3816] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3813] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3812] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3810] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3818] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3817] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3816] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3815] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3811] <... futex resumed>) = 0 [pid 3816] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3815] <... futex resumed>) = 1 [pid 3811] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3810] <... futex resumed>) = 0 [pid 3808] <... futex resumed>) = 0 [pid 3816] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3815] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3814] <... futex resumed>) = 0 [pid 3811] <... futex resumed>) = 1 [pid 3810] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3808] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3816] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3815] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3814] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3811] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3810] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3808] <... futex resumed>) = 0 [pid 3818] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3817] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3816] <... futex resumed>) = 0 [pid 3815] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3814] <... unlinkat resumed>) = 0 [pid 3810] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3808] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3818] <... futex resumed>) = 1 [pid 3817] <... futex resumed>) = 1 [pid 3816] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3815] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3814] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3813] <... futex resumed>) = 0 [pid 3812] <... futex resumed>) = 0 [pid 3810] <... futex resumed>) = 0 [pid 3817] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3816] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3815] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3814] <... futex resumed>) = 1 [pid 3813] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3812] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3811] <... futex resumed>) = 0 [pid 3810] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3817] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3816] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3815] <... futex resumed>) = 1 [pid 3814] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3813] <... futex resumed>) = 0 [pid 3812] <... futex resumed>) = 0 [pid 3811] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3810] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3808] <... futex resumed>) = 0 [pid 3817] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3816] <... futex resumed>) = 0 [pid 3815] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3814] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3813] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3812] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3811] <... futex resumed>) = 0 [pid 3810] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3808] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3818] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3817] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3816] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3815] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3814] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3811] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3810] <... futex resumed>) = 0 [pid 3808] <... futex resumed>) = 0 [pid 3818] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3817] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3816] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3815] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3814] <... unlinkat resumed>) = 0 [pid 3810] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3808] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3818] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3817] <... futex resumed>) = 1 [pid 3816] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3815] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3814] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3813] <... futex resumed>) = 0 [pid 3810] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3818] <... futex resumed>) = 1 [pid 3817] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3816] <... futex resumed>) = 0 [pid 3815] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3814] <... futex resumed>) = 1 [pid 3813] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3812] <... futex resumed>) = 0 [pid 3811] <... futex resumed>) = 0 [pid 3810] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3818] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3817] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3816] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3815] <... futex resumed>) = 1 [pid 3814] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3813] <... futex resumed>) = 0 [pid 3812] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3811] exit_group(0 [pid 3810] <... futex resumed>) = 0 [pid 3808] <... futex resumed>) = 0 [pid 3818] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3817] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3816] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3815] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3814] <... futex resumed>) = ? [pid 3813] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3812] <... futex resumed>) = 0 [pid 3811] <... exit_group resumed>) = ? [pid 3810] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3808] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3818] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3817] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3816] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3815] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3814] +++ exited with 0 +++ [pid 3812] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3811] +++ exited with 0 +++ [pid 3810] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3808] <... futex resumed>) = 0 [pid 3818] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3817] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3816] <... futex resumed>) = 0 [pid 3815] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3810] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3808] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3811, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3818] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3817] <... futex resumed>) = 1 [pid 3816] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3815] <... mkdirat resumed>) = 0 [pid 3813] <... futex resumed>) = 0 [pid 3810] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3818] <... futex resumed>) = 1 [pid 3817] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3816] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3815] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3813] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3812] <... futex resumed>) = 0 [pid 3810] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... restart_syscall resumed>) = 0 [pid 3818] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3817] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3816] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3815] <... futex resumed>) = 1 [pid 3813] <... futex resumed>) = 0 [pid 3812] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3810] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3808] <... futex resumed>) = 0 [pid 3818] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3817] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3816] <... futex resumed>) = 0 [pid 3815] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3813] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3812] <... futex resumed>) = 0 [pid 3810] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3808] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3818] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3817] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3816] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3815] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3812] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3810] <... futex resumed>) = 0 [pid 3808] <... futex resumed>) = 0 [pid 3818] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3817] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3816] <... unlinkat resumed>) = 0 [pid 3815] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3810] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3808] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3818] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3817] <... futex resumed>) = 1 [pid 3816] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3815] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3813] <... futex resumed>) = 0 [pid 3810] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3818] <... futex resumed>) = 1 [pid 3817] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3816] <... futex resumed>) = 0 [pid 3815] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3813] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3812] <... futex resumed>) = 0 [pid 3810] exit_group(0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3818] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3817] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3815] <... futex resumed>) = 1 [pid 3813] <... futex resumed>) = 0 [pid 3812] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3810] <... exit_group resumed>) = ? [pid 3808] <... futex resumed>) = 0 [pid 3815] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3808] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3815] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3808] <... futex resumed>) = 0 [pid 3815] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3808] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3816] +++ exited with 0 +++ [pid 3815] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3813] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3812] <... futex resumed>) = 0 [pid 3815] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3808] <... futex resumed>) = 0 [pid 3815] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3808] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3815] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3808] <... futex resumed>) = 0 [pid 3815] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3808] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3815] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3810] +++ exited with 0 +++ [pid 3812] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3819 [pid 3818] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3817] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3815] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3810, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3818] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3815] <... futex resumed>) = 1 [pid 3808] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3818] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3817] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3815] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3808] exit_group(0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3818] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3817] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3815] <... futex resumed>) = ? [pid 3808] <... exit_group resumed>) = ? [pid 3818] <... futex resumed>) = 1 [pid 3817] <... futex resumed>) = 1 [pid 3815] +++ exited with 0 +++ [pid 3813] <... futex resumed>) = 0 [pid 3812] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3819 attached [pid 3819] set_robust_list(0x5555810c5760, 24) = 0 [pid 3819] rt_sigprocmask(SIG_SETMASK, [] [pid 3808] +++ exited with 0 +++ [pid 3813] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3812] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3808, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3818] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3817] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3813] <... futex resumed>) = 0 [pid 3812] <... futex resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3819] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3818] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3817] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3813] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3812] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3818] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3817] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3813] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3812] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3818] <... futex resumed>) = 0 [pid 3817] <... futex resumed>) = 0 [pid 3813] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3812] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3818] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3817] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3813] <... futex resumed>) = 0 [pid 3812] <... futex resumed>) = 0 [pid 3818] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3817] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3813] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3812] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3818] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3817] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3813] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3812] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3818] <... futex resumed>) = 0 [pid 3817] <... futex resumed>) = 0 [pid 3813] exit_group(0 [pid 3818] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3817] ???( [pid 3812] exit_group(0 [pid 3817] <... ??? resumed>) = ? [pid 3813] <... exit_group resumed>) = ? [pid 3812] <... exit_group resumed>) = ? [pid 3818] <... futex resumed>) = ? [pid 3817] +++ exited with 0 +++ [pid 3819] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3819] setpgid(0, 0) = 0 [pid 3819] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3819] write(3, "1000", 4) = 4 [pid 3819] close(3 [pid 3813] +++ exited with 0 +++ [pid 3819] <... close resumed>) = 0 [pid 3819] write(1, "executing program\n", 18) = 18 [pid 3819] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3819] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3819] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3819] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3818] +++ exited with 0 +++ [pid 3812] +++ exited with 0 +++ [pid 3819] <... mmap resumed>) = 0x7f85c0c15000 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3813, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3819] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE executing program [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3812, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3819] <... mprotect resumed>) = 0 [pid 3819] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3819] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0}ci2-android-5-15/strace-static-x86_64: Process 3820 attached => {parent_tid=[3820]}, 88) = 3820 [pid 3819] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3819] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3819] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3820] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3820] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3820] mkdirat(AT_FDCWD, "./config", 0777 [pid 305] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 3820] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 3820] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3820] <... futex resumed>) = 1 [pid 3819] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3820] mount(NULL, "./config", "configfs", 0, NULL [pid 3819] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3820] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3819] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3822 attached ci2-android-5-15/strace-static-x86_64: Process 3821 attached [pid 3820] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3819] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3821 ci2-android-5-15/strace-static-x86_64: Process 3824 attached ci2-android-5-15/strace-static-x86_64: Process 3823 attached [pid 3822] set_robust_list(0x5555810c5760, 24 [pid 3821] set_robust_list(0x5555810c5760, 24 [pid 3820] <... futex resumed>) = 0 [pid 3819] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3822 [pid 3824] set_robust_list(0x5555810c5760, 24 [pid 3823] set_robust_list(0x5555810c5760, 24 [pid 3820] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3819] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3823 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3824 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3824] <... set_robust_list resumed>) = 0 [pid 3823] <... set_robust_list resumed>) = 0 [pid 3820] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3819] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3824] rt_sigprocmask(SIG_SETMASK, [] [pid 3823] rt_sigprocmask(SIG_SETMASK, [] [pid 3820] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3819] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3824] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3823] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3820] <... futex resumed>) = 0 [pid 3819] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3824] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3823] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3822] <... set_robust_list resumed>) = 0 [pid 3821] <... set_robust_list resumed>) = 0 [pid 3820] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3819] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3824] <... prctl resumed>) = 0 [pid 3823] <... prctl resumed>) = 0 [pid 3820] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3819] <... futex resumed>) = 0 [pid 3822] rt_sigprocmask(SIG_SETMASK, [] [pid 3823] setpgid(0, 0 [pid 3821] rt_sigprocmask(SIG_SETMASK, [] [pid 3820] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3819] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3823] <... setpgid resumed>) = 0 [pid 3822] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3821] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3820] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3823] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3822] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3820] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3823] <... openat resumed>) = 3 [pid 3822] <... prctl resumed>) = 0 [pid 3821] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3823] write(3, "1000", 4 [pid 3822] setpgid(0, 0 [pid 3820] <... futex resumed>) = 1 [pid 3819] <... futex resumed>) = 0 [pid 3823] <... write resumed>) = 4 [pid 3822] <... setpgid resumed>) = 0 [pid 3821] <... prctl resumed>) = 0 [pid 3820] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3819] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3824] setpgid(0, 0 [pid 3823] close(3 [pid 3822] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3821] setpgid(0, 0 [pid 3820] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3819] <... futex resumed>) = 0 [pid 3824] <... setpgid resumed>) = 0 [pid 3823] <... close resumed>) = 0 [pid 3822] <... openat resumed>) = 3 [pid 3821] <... setpgid resumed>) = 0 [pid 3820] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3819] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3823] write(1, "executing program\n", 18 [pid 3822] write(3, "1000", 4) = 4 [pid 3820] <... mkdirat resumed>) = 0 [pid 3823] <... write resumed>) = 18 executing program [pid 3822] close(3 [pid 3821] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3820] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3823] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3822] <... close resumed>) = 0 [pid 3823] <... futex resumed>) = 0 [pid 3822] write(1, "executing program\n", 18 [pid 3820] <... futex resumed>) = 1 [pid 3819] <... futex resumed>) = 0 [pid 3823] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3822] <... write resumed>) = 18 executing program [pid 3821] <... openat resumed>) = 3 [pid 3820] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3819] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3824] <... openat resumed>) = 3 [pid 3823] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3822] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3821] write(3, "1000", 4 [pid 3820] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3819] <... futex resumed>) = 0 [pid 3824] write(3, "1000", 4 [pid 3823] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3822] <... futex resumed>) = 0 [pid 3821] <... write resumed>) = 4 [pid 3820] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3819] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3824] <... write resumed>) = 4 [pid 3823] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3822] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3824] close(3 [pid 3823] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3822] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3821] close(3 [pid 3820] <... symlinkat resumed>) = 0 [pid 3824] <... close resumed>) = 0 [pid 3823] <... mmap resumed>) = 0x7f85c0c15000 [pid 3822] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3820] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3824] write(1, "executing program\n", 18 [pid 3823] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3822] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3821] <... close resumed>) = 0 [pid 3820] <... futex resumed>) = 1 [pid 3819] <... futex resumed>) = 0 [pid 3824] <... write resumed>) = 18 [pid 3823] <... mprotect resumed>) = 0 [pid 3822] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3821] write(1, "executing program\n", 18 [pid 3820] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL executing program executing program [pid 3819] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3824] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3823] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3822] <... mmap resumed>) = 0x7f85c0c15000 [pid 3821] <... write resumed>) = 18 [pid 3820] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3819] <... futex resumed>) = 0 [pid 3824] <... futex resumed>) = 0 [pid 3823] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3822] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3821] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3820] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3819] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3824] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3823] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3822] <... mprotect resumed>) = 0 [pid 3820] <... unlinkat resumed>) = 0 [pid 3822] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3821] <... futex resumed>) = 0 [pid 3824] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3822] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3820] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3824] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3823] <... clone3 resumed> => {parent_tid=[3825]}, 88) = 3825 [pid 3822] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3821] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3820] <... futex resumed>) = 1 [pid 3819] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3826 attached ci2-android-5-15/strace-static-x86_64: Process 3825 attached [pid 3824] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3823] rt_sigprocmask(SIG_SETMASK, [] [pid 3821] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3820] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3819] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3826] set_robust_list(0x7f85c0c359a0, 24 [pid 3824] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3823] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3822] <... clone3 resumed> => {parent_tid=[3826]}, 88) = 3826 [pid 3821] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3820] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3819] <... futex resumed>) = 0 [pid 3826] <... set_robust_list resumed>) = 0 [pid 3825] set_robust_list(0x7f85c0c359a0, 24 [pid 3824] <... mmap resumed>) = 0x7f85c0c15000 [pid 3823] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3822] rt_sigprocmask(SIG_SETMASK, [] [pid 3821] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3820] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3819] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3826] rt_sigprocmask(SIG_SETMASK, [] [pid 3824] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3823] <... futex resumed>) = 0 [pid 3822] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3821] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3820] <... unlinkat resumed>) = 0 [pid 3826] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3824] <... mprotect resumed>) = 0 [pid 3823] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3822] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3821] <... mmap resumed>) = 0x7f85c0c15000 [pid 3820] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3826] mkdirat(AT_FDCWD, "./config", 0777 [pid 3824] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3822] <... futex resumed>) = 0 [pid 3821] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3820] <... futex resumed>) = 1 [pid 3819] <... futex resumed>) = 0 [pid 3826] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3824] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3822] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3821] <... mprotect resumed>) = 0 [pid 3820] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3819] exit_group(0 [pid 3826] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3824] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3821] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3820] <... futex resumed>) = ? [pid 3819] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 3827 attached [pid 3826] <... futex resumed>) = 1 [pid 3825] <... set_robust_list resumed>) = 0 [pid 3822] <... futex resumed>) = 0 [pid 3821] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3820] +++ exited with 0 +++ [pid 3819] +++ exited with 0 +++ [pid 3826] mount(NULL, "./config", "configfs", 0, NULL [pid 3822] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3826] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3824] <... clone3 resumed> => {parent_tid=[3827]}, 88) = 3827 [pid 3822] <... futex resumed>) = 0 [pid 3821] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3826] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3824] rt_sigprocmask(SIG_SETMASK, [] [pid 3822] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3826] <... futex resumed>) = 0 [pid 3825] rt_sigprocmask(SIG_SETMASK, [] [pid 3824] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3822] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3819, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3826] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3825] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3824] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3822] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3821] <... clone3 resumed> => {parent_tid=[3828]}, 88) = 3828 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3826] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3825] mkdirat(AT_FDCWD, "./config", 0777 [pid 3824] <... futex resumed>) = 0 [pid 3822] <... futex resumed>) = 0 [pid 3821] rt_sigprocmask(SIG_SETMASK, [] [pid 3826] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3825] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3824] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3822] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3821] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3826] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3825] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3821] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3826] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3823] <... futex resumed>) = 0 [pid 3821] <... futex resumed>) = 0 [pid 3825] <... futex resumed>) = 1 [pid 3826] <... futex resumed>) = 1 [pid 3823] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3825] mount(NULL, "./config", "configfs", 0, NULL [pid 3822] <... futex resumed>) = 0 [pid 3821] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3826] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3823] <... futex resumed>) = 0 [pid 3822] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3826] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3825] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3823] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3822] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3828 attached [pid 3826] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3825] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3822] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3828] set_robust_list(0x7f85c0c359a0, 24 [pid 3827] set_robust_list(0x7f85c0c359a0, 24 [pid 3826] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3828] <... set_robust_list resumed>) = 0 [pid 3826] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3828] rt_sigprocmask(SIG_SETMASK, [] [pid 3826] <... futex resumed>) = 1 [pid 3822] <... futex resumed>) = 0 [pid 3828] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3826] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3822] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3828] mkdirat(AT_FDCWD, "./config", 0777 [pid 3827] <... set_robust_list resumed>) = 0 [pid 3826] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3825] <... futex resumed>) = 1 [pid 3823] <... futex resumed>) = 0 [pid 3822] <... futex resumed>) = 0 [pid 3828] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3826] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3825] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3823] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3822] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3828] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3827] rt_sigprocmask(SIG_SETMASK, [] [pid 3826] <... mkdirat resumed>) = 0 [pid 3825] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3823] <... futex resumed>) = 0 [pid 3828] <... futex resumed>) = 1 [pid 3827] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3826] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3825] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3823] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3821] <... futex resumed>) = 0 [pid 3828] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3827] mkdirat(AT_FDCWD, "./config", 0777 [pid 3826] <... futex resumed>) = 1 [pid 3825] <... futex resumed>) = 0 [pid 3823] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3822] <... futex resumed>) = 0 [pid 3828] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3827] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3826] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3825] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3823] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3822] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3821] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3828] mount(NULL, "./config", "configfs", 0, NULL [pid 3827] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3826] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3825] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3823] <... futex resumed>) = 0 [pid 3822] <... futex resumed>) = 0 [pid 3821] <... futex resumed>) = 0 [pid 3828] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3827] <... futex resumed>) = 1 [pid 3826] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3825] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3824] <... futex resumed>) = 0 [pid 3823] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3822] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3821] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3828] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3827] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3826] <... symlinkat resumed>) = 0 [pid 3825] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3824] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3821] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3828] <... futex resumed>) = 0 [pid 3827] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3826] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3825] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3824] <... futex resumed>) = 0 [pid 3828] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3826] <... futex resumed>) = 1 [pid 3824] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3822] <... futex resumed>) = 0 [pid 3821] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3828] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3827] mount(NULL, "./config", "configfs", 0, NULL [pid 3826] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3825] <... futex resumed>) = 1 [pid 3823] <... futex resumed>) = 0 [pid 3822] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3821] <... futex resumed>) = 0 [pid 3828] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3827] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3826] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3825] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3823] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3822] <... futex resumed>) = 0 [pid 3821] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3828] <... futex resumed>) = 0 [pid 3827] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3826] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3825] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3823] <... futex resumed>) = 0 [pid 3822] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3821] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3828] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3827] <... futex resumed>) = 1 [pid 3826] <... unlinkat resumed>) = 0 [pid 3825] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3824] <... futex resumed>) = 0 [pid 3823] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3821] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3828] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3827] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3826] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3825] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3824] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3821] <... futex resumed>) = 0 [pid 3828] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3827] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3826] <... futex resumed>) = 1 [pid 3825] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3824] <... futex resumed>) = 0 [pid 3822] <... futex resumed>) = 0 [pid 3821] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... restart_syscall resumed>) = 0 [pid 3828] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3827] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3826] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3825] <... futex resumed>) = 1 [pid 3824] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3823] <... futex resumed>) = 0 [pid 3822] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3828] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3827] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3826] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3825] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3823] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3822] <... futex resumed>) = 0 [pid 3828] <... futex resumed>) = 1 [pid 3827] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3826] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3825] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3823] <... futex resumed>) = 0 [pid 3822] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3821] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3828] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3827] <... futex resumed>) = 1 [pid 3826] <... unlinkat resumed>) = 0 [pid 3825] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3824] <... futex resumed>) = 0 [pid 3823] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3821] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3828] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3827] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3826] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3825] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3824] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3821] <... futex resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3828] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3827] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3826] <... futex resumed>) = 1 [pid 3825] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3824] <... futex resumed>) = 0 [pid 3822] <... futex resumed>) = 0 [pid 3821] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3828] <... mkdirat resumed>) = 0 [pid 3826] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3825] <... futex resumed>) = 1 [pid 3824] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3823] <... futex resumed>) = 0 [pid 3822] exit_group(0 [pid 3827] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3828] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3826] <... futex resumed>) = ? [pid 3825] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3823] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3822] <... exit_group resumed>) = ? [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3829 [pid 3827] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3828] <... futex resumed>) = 1 [pid 3826] +++ exited with 0 +++ [pid 3825] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3823] <... futex resumed>) = 0 [pid 3822] +++ exited with 0 +++ [pid 3821] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3827] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3828] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3827] <... futex resumed>) = 1 [pid 3825] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3824] <... futex resumed>) = 0 [pid 3823] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3821] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3828] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3827] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3825] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3824] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3821] <... futex resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3822, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3828] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3827] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3825] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3824] <... futex resumed>) = 0 [pid 3821] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3828] <... symlinkat resumed>) = 0 [pid 3827] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3825] <... futex resumed>) = 1 [pid 3824] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3823] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3829 attached [pid 3828] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3827] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3825] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3823] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 3830 attached [pid 3829] set_robust_list(0x5555810c5760, 24 [pid 3828] <... futex resumed>) = 1 [pid 3827] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3825] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3823] <... futex resumed>) = 0 [pid 3821] <... futex resumed>) = 0 [pid 3829] <... set_robust_list resumed>) = 0 [pid 3828] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3827] <... futex resumed>) = 1 [pid 3825] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3824] <... futex resumed>) = 0 [pid 3823] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3821] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3830 [pid 3830] set_robust_list(0x5555810c5760, 24 [pid 3829] rt_sigprocmask(SIG_SETMASK, [] [pid 3828] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3827] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3825] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3824] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3821] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3829] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3828] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3827] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3825] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3824] <... futex resumed>) = 0 [pid 3821] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3830] <... set_robust_list resumed>) = 0 [pid 3829] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3828] <... unlinkat resumed>) = 0 [pid 3827] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3825] <... futex resumed>) = 1 [pid 3824] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3823] <... futex resumed>) = 0 [pid 3830] rt_sigprocmask(SIG_SETMASK, [] [pid 3829] <... prctl resumed>) = 0 [pid 3828] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3829] setpgid(0, 0 [pid 3828] <... futex resumed>) = 1 [pid 3821] <... futex resumed>) = 0 [pid 3829] <... setpgid resumed>) = 0 [pid 3828] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3827] <... symlinkat resumed>) = 0 [pid 3825] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3823] exit_group(0 [pid 3821] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3828] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3827] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3825] <... futex resumed>) = ? [pid 3823] <... exit_group resumed>) = ? [pid 3821] <... futex resumed>) = 0 [pid 3830] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3829] <... openat resumed>) = 3 [pid 3828] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3827] <... futex resumed>) = 1 [pid 3825] +++ exited with 0 +++ [pid 3824] <... futex resumed>) = 0 [pid 3821] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3829] write(3, "1000", 4 [pid 3828] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3829] <... write resumed>) = 4 [pid 3828] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3829] close(3 [pid 3828] <... futex resumed>) = 1 [pid 3821] <... futex resumed>) = 0 [pid 3829] <... close resumed>) = 0 [pid 3828] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3827] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3824] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3823] +++ exited with 0 +++ [pid 3821] exit_group(0 [pid 3829] write(1, "executing program\n", 18 [pid 3828] <... futex resumed>) = ? [pid 3827] <... unlinkat resumed>) = 0 [pid 3824] <... futex resumed>) = 0 [pid 3821] <... exit_group resumed>) = ? executing program [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3823, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3830] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3829] <... write resumed>) = 18 [pid 3828] +++ exited with 0 +++ [pid 3827] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3824] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3821] +++ exited with 0 +++ [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3830] <... prctl resumed>) = 0 [pid 3829] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3827] <... futex resumed>) = 0 [pid 3824] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3829] <... futex resumed>) = 0 [pid 3829] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3827] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3824] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3821, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3830] setpgid(0, 0 [pid 3829] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3827] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3824] <... futex resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3829] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3827] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3824] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3829] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3829] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3827] <... unlinkat resumed>) = 0 [pid 3829] <... mmap resumed>) = 0x7f85c0c15000 [pid 3829] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3827] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3829] <... mprotect resumed>) = 0 [pid 3829] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3830] <... setpgid resumed>) = 0 [pid 3827] <... futex resumed>) = 1 [pid 3824] <... futex resumed>) = 0 [pid 3829] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3827] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3829] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3824] exit_group(0 [pid 3830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3827] <... futex resumed>) = ? [pid 3824] <... exit_group resumed>) = ? [pid 3829] <... clone3 resumed> => {parent_tid=[3831]}, 88) = 3831 [pid 3827] +++ exited with 0 +++ [pid 3830] <... openat resumed>) = 3 [pid 3830] write(3, "1000", 4) = 4 [pid 3830] close(3) = 0 [pid 3830] write(1, "executing program\n", 18) = 18 [pid 3824] +++ exited with 0 +++ [pid 3830] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3824, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3829] rt_sigprocmask(SIG_SETMASK, [] [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3829] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 3830] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3829] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3830] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3829] <... futex resumed>) = 0 [pid 3830] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3829] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... restart_syscall resumed>) = 0 [pid 3830] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3830] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 3830] <... mmap resumed>) = 0x7f85c0c15000 [pid 306] <... restart_syscall resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3830] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3830] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3830] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[3833]}, 88) = 3833 [pid 3830] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3832 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3834 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3830] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3830] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3830] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3831 attached [pid 3831] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3835 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3831] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3831] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3831] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3831] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3835 attached ) = 1 [pid 3829] <... futex resumed>) = 0 [pid 3831] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3829] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3831] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3829] <... futex resumed>) = 0 [pid 3831] mount(NULL, "./config", "configfs", 0, NULL [pid 3829] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3831] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3831] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3829] <... futex resumed>) = 0 [pid 3831] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3829] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3831] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3829] <... futex resumed>) = 0 [pid 3831] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3829] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3831] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3831] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3829] <... futex resumed>) = 0 [pid 3831] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3829] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3835] set_robust_list(0x5555810c5760, 24 [pid 3829] <... futex resumed>) = 0 [pid 3829] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3835] <... set_robust_list resumed>) = 0 [pid 3831] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3835] rt_sigprocmask(SIG_SETMASK, [] [pid 3831] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3834 attached ) = 1 [pid 3829] <... futex resumed>) = 0 [pid 3835] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3834] set_robust_list(0x5555810c5760, 24 [pid 3829] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3831] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3829] <... futex resumed>) = 0 [pid 3835] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3834] <... set_robust_list resumed>) = 0 [pid 3831] <... mkdirat resumed>) = 0 [pid 3829] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3835] <... prctl resumed>) = 0 [pid 3831] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3834] rt_sigprocmask(SIG_SETMASK, [] [pid 3831] <... futex resumed>) = 1 [pid 3829] <... futex resumed>) = 0 [pid 3835] setpgid(0, 0ci2-android-5-15/strace-static-x86_64: Process 3832 attached [pid 3829] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3835] <... setpgid resumed>) = 0 [pid 3834] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3832] set_robust_list(0x5555810c5760, 24 [pid 3829] <... futex resumed>) = 0 [pid 3831] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3829] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3834] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3831] <... symlinkat resumed>) = 0 [pid 3835] <... openat resumed>) = 3 [pid 3834] <... prctl resumed>) = 0 [pid 3832] <... set_robust_list resumed>) = 0 [pid 3831] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3829] <... futex resumed>) = 0 [pid 3835] write(3, "1000", 4 [pid 3834] setpgid(0, 0 [pid 3832] rt_sigprocmask(SIG_SETMASK, [] [pid 3829] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3831] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3829] <... futex resumed>) = 0 [pid 3835] <... write resumed>) = 4 [pid 3834] <... setpgid resumed>) = 0 [pid 3832] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3829] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3835] close(3 [pid 3834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3832] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3831] <... unlinkat resumed>) = 0 [pid 3831] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3829] <... futex resumed>) = 0 [pid 3835] <... close resumed>) = 0 [pid 3829] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3833 attached [pid 3835] write(1, "executing program\n", 18 [pid 3831] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3829] <... futex resumed>) = 0 [pid 3834] <... openat resumed>) = 3 [pid 3832] <... prctl resumed>) = 0 [pid 3835] <... write resumed>) = 18 executing program [pid 3834] write(3, "1000", 4 [pid 3829] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3835] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3834] <... write resumed>) = 4 [pid 3833] set_robust_list(0x7f85c0c359a0, 24 [pid 3832] setpgid(0, 0 [pid 3831] <... unlinkat resumed>) = 0 [pid 3833] <... set_robust_list resumed>) = 0 [pid 3831] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3835] <... futex resumed>) = 0 [pid 3833] rt_sigprocmask(SIG_SETMASK, [] [pid 3834] close(3 [pid 3831] <... futex resumed>) = 1 [pid 3829] <... futex resumed>) = 0 [pid 3832] <... setpgid resumed>) = 0 [pid 3835] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3833] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3831] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3829] exit_group(0 [pid 3835] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3834] <... close resumed>) = 0 [pid 3832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3829] <... exit_group resumed>) = ? [pid 3835] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3834] write(1, "executing program\n", 18 [pid 3833] mkdirat(AT_FDCWD, "./config", 0777 [pid 3831] <... futex resumed>) = ? [pid 3835] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3834] <... write resumed>) = 18 [pid 3832] <... openat resumed>) = 3 [pid 3835] <... mmap resumed>) = 0x7f85c0c15000 [pid 3834] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 3832] write(3, "1000", 4 [pid 3835] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3834] <... futex resumed>) = 0 [pid 3833] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3832] <... write resumed>) = 4 [pid 3831] +++ exited with 0 +++ [pid 3829] +++ exited with 0 +++ [pid 3835] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3834] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3832] close(3 [pid 3835] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3834] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3835] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3834] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3832] <... close resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3829, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3834] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3835] <... clone3 resumed> => {parent_tid=[3836]}, 88) = 3836 [pid 3834] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3832] write(1, "executing program\n", 18ci2-android-5-15/strace-static-x86_64: Process 3836 attached [pid 3835] rt_sigprocmask(SIG_SETMASK, [] [pid 3834] <... mmap resumed>) = 0x7f85c0c15000 [pid 3833] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3832] <... write resumed>) = 18 [pid 312] <... restart_syscall resumed>) = 0 [pid 3835] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3834] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3833] <... futex resumed>) = 1 [pid 3830] <... futex resumed>) = 0 [pid 3835] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3834] <... mprotect resumed>) = 0 [pid 3833] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3832] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 3830] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3835] <... futex resumed>) = 0 [pid 3834] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3833] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3832] <... futex resumed>) = 0 [pid 3830] <... futex resumed>) = 0 [pid 3835] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3834] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3833] mount(NULL, "./config", "configfs", 0, NULL [pid 3832] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3830] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3834] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3833] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3832] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3833] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3833] <... futex resumed>) = 1 [pid 3830] <... futex resumed>) = 0 [pid 3833] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3830] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3833] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3830] <... futex resumed>) = 0 [pid 3833] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3830] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3833] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3834] <... clone3 resumed> => {parent_tid=[3837]}, 88) = 3837 [pid 3833] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3832] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3838 [pid 3834] rt_sigprocmask(SIG_SETMASK, [] [pid 3833] <... futex resumed>) = 1 [pid 3832] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3830] <... futex resumed>) = 0 [pid 3834] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3833] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3832] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3830] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3834] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3833] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3832] <... mmap resumed>) = 0x7f85c0c15000 [pid 3830] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3834] <... futex resumed>) = 0 [pid 3833] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3832] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3830] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3834] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3833] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3832] <... mprotect resumed>) = 0 [pid 3833] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3832] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3830] <... futex resumed>) = 0 [pid 3833] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3832] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3830] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3833] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3832] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3830] <... futex resumed>) = 0 [pid 3833] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3830] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3839 attached ci2-android-5-15/strace-static-x86_64: Process 3837 attached [pid 3833] <... mkdirat resumed>) = 0 [pid 3833] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3832] <... clone3 resumed> => {parent_tid=[3839]}, 88) = 3839 [pid 3833] <... futex resumed>) = 1 [pid 3832] rt_sigprocmask(SIG_SETMASK, [] [pid 3830] <... futex resumed>) = 0 [pid 3833] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3832] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3839] set_robust_list(0x7f85c0c359a0, 24 [pid 3837] set_robust_list(0x7f85c0c359a0, 24 [pid 3830] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3833] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3832] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3830] <... futex resumed>) = 0 [pid 3836] set_robust_list(0x7f85c0c359a0, 24 [pid 3833] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3832] <... futex resumed>) = 0 [pid 3830] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3839] <... set_robust_list resumed>) = 0 [pid 3837] <... set_robust_list resumed>) = 0 [pid 3836] <... set_robust_list resumed>) = 0 [pid 3833] <... symlinkat resumed>) = 0 [pid 3832] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3839] rt_sigprocmask(SIG_SETMASK, [] [pid 3837] rt_sigprocmask(SIG_SETMASK, [] [pid 3836] rt_sigprocmask(SIG_SETMASK, [] [pid 3833] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3836] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3833] <... futex resumed>) = 1 [pid 3830] <... futex resumed>) = 0 [pid 3836] mkdirat(AT_FDCWD, "./config", 0777 [pid 3833] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3830] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3836] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3833] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3830] <... futex resumed>) = 0 [pid 3836] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3833] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3830] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3839] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3837] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3836] <... futex resumed>) = 1 [pid 3835] <... futex resumed>) = 0 [pid 3833] <... unlinkat resumed>) = 0 [pid 3836] mount(NULL, "./config", "configfs", 0, NULL [pid 3835] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3833] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3837] mkdirat(AT_FDCWD, "./config", 0777 [pid 3836] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3835] <... futex resumed>) = 0 [pid 3833] <... futex resumed>) = 1 [pid 3830] <... futex resumed>) = 0 [pid 3839] mkdirat(AT_FDCWD, "./config", 0777 [pid 3837] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3836] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3835] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3833] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3830] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3838 attached [pid 3837] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3836] <... futex resumed>) = 0 [pid 3835] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3833] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3830] <... futex resumed>) = 0 [pid 3839] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3838] set_robust_list(0x5555810c5760, 24 [pid 3837] <... futex resumed>) = 1 [pid 3836] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3835] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3834] <... futex resumed>) = 0 [pid 3833] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3830] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3839] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3838] <... set_robust_list resumed>) = 0 [pid 3837] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3836] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3835] <... futex resumed>) = 0 [pid 3834] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3833] <... unlinkat resumed>) = 0 [pid 3839] <... futex resumed>) = 1 [pid 3838] rt_sigprocmask(SIG_SETMASK, [] [pid 3837] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3836] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3835] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3834] <... futex resumed>) = 0 [pid 3833] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3832] <... futex resumed>) = 0 [pid 3839] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3838] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3837] mount(NULL, "./config", "configfs", 0, NULL [pid 3836] <... futex resumed>) = 0 [pid 3835] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3834] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3833] <... futex resumed>) = 1 [pid 3832] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3830] <... futex resumed>) = 0 [pid 3839] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3838] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3837] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3836] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3835] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3833] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3832] <... futex resumed>) = 0 [pid 3830] exit_group(0 [pid 3839] mount(NULL, "./config", "configfs", 0, NULL [pid 3838] <... prctl resumed>) = 0 [pid 3837] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3836] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3835] <... futex resumed>) = 0 [pid 3833] <... futex resumed>) = ? [pid 3832] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3830] <... exit_group resumed>) = ? [pid 3839] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3838] setpgid(0, 0 [pid 3837] <... futex resumed>) = 1 [pid 3836] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3835] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3834] <... futex resumed>) = 0 [pid 3833] +++ exited with 0 +++ [pid 3830] +++ exited with 0 +++ [pid 3839] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3838] <... setpgid resumed>) = 0 [pid 3837] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3836] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3834] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3839] <... futex resumed>) = 1 [pid 3838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3837] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3836] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3832] <... futex resumed>) = 0 [pid 3839] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3837] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3836] <... futex resumed>) = 1 [pid 3835] <... futex resumed>) = 0 [pid 3834] <... futex resumed>) = 0 [pid 3832] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3830, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3838] <... openat resumed>) = 3 [pid 3839] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3838] write(3, "1000", 4 [pid 3837] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3836] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3835] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3834] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3832] <... futex resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3839] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3838] <... write resumed>) = 4 [pid 3837] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3836] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3835] <... futex resumed>) = 0 [pid 3834] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3832] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3839] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3838] close(3 [pid 3837] <... futex resumed>) = 0 [pid 3836] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3835] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3834] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3839] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3838] <... close resumed>) = 0 [pid 3837] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3836] <... mkdirat resumed>) = 0 [pid 3834] <... futex resumed>) = 0 [pid 3839] <... futex resumed>) = 1 [pid 3838] write(1, "executing program\n", 18 [pid 3837] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 3836] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3834] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3832] <... futex resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 3839] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3838] <... write resumed>) = 18 [pid 3837] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3836] <... futex resumed>) = 1 [pid 3835] <... futex resumed>) = 0 [pid 3834] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3832] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3839] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3838] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3837] <... futex resumed>) = 0 [pid 3836] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3835] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3834] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3832] <... futex resumed>) = 0 [pid 3839] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3838] <... futex resumed>) = 0 [pid 3837] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3836] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3835] <... futex resumed>) = 0 [pid 3834] <... futex resumed>) = 0 [pid 3832] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3839] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3838] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3837] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3836] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3835] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3834] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3839] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3838] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3837] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3836] <... symlinkat resumed>) = 0 [pid 3834] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3839] <... futex resumed>) = 1 [pid 3838] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3837] <... futex resumed>) = 0 [pid 3836] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3834] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3832] <... futex resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3839] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3838] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3837] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3836] <... futex resumed>) = 1 [pid 3835] <... futex resumed>) = 0 [pid 3834] <... futex resumed>) = 0 [pid 3832] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3840 attached [pid 3839] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3838] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3837] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3836] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3835] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3834] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3832] <... futex resumed>) = 0 [pid 3840] set_robust_list(0x5555810c5760, 24 [pid 3839] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3838] <... mmap resumed>) = 0x7f85c0c15000 [pid 3837] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3836] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3835] <... futex resumed>) = 0 [pid 3834] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3832] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3840 [pid 3840] <... set_robust_list resumed>) = 0 [pid 3839] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3838] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3837] <... futex resumed>) = 0 [pid 3836] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3835] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3834] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3839] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3838] <... mprotect resumed>) = 0 [pid 3837] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3839] <... futex resumed>) = 1 [pid 3838] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3836] <... unlinkat resumed>) = 0 [pid 3834] <... futex resumed>) = 0 [pid 3832] <... futex resumed>) = 0 [pid 3839] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3838] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3837] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3836] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3834] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3832] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3840] rt_sigprocmask(SIG_SETMASK, [] [pid 3839] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3838] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3837] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3836] <... futex resumed>) = 1 [pid 3840] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3835] <... futex resumed>) = 0 [pid 3834] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3832] <... futex resumed>) = 0 [pid 3839] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3837] <... futex resumed>) = 0 [pid 3835] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3834] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3832] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3839] <... symlinkat resumed>) = 0 [pid 3837] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3835] <... futex resumed>) = 0 [pid 3834] <... futex resumed>) = 0 [pid 3839] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3838] <... clone3 resumed> => {parent_tid=[3841]}, 88) = 3841 [pid 3837] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3836] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3835] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3834] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3840] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3839] <... futex resumed>) = 1 [pid 3838] rt_sigprocmask(SIG_SETMASK, [] [pid 3837] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3836] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3834] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3832] <... futex resumed>) = 0 [pid 3840] <... prctl resumed>) = 0 [pid 3839] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3838] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3837] <... futex resumed>) = 0 [pid 3836] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3834] exit_group(0 [pid 3832] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3840] setpgid(0, 0 [pid 3839] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3838] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3836] <... futex resumed>) = 1 [pid 3835] <... futex resumed>) = 0 [pid 3834] <... exit_group resumed>) = ? [pid 3832] <... futex resumed>) = 0 [pid 3840] <... setpgid resumed>) = 0 [pid 3839] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3838] <... futex resumed>) = 0 [pid 3837] +++ exited with 0 +++ [pid 3835] exit_group(0 [pid 3832] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3841 attached [pid 3835] <... exit_group resumed>) = ? [pid 3834] +++ exited with 0 +++ [pid 3839] <... unlinkat resumed>) = 0 [pid 3841] set_robust_list(0x7f85c0c359a0, 24 [pid 3840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3838] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3836] +++ exited with 0 +++ [pid 3841] <... set_robust_list resumed>) = 0 [pid 3840] <... openat resumed>) = 3 [pid 3839] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3835] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3834, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3839] <... futex resumed>) = 1 [pid 3832] <... futex resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3839] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3832] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3835, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3839] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3832] <... futex resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3839] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3832] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3841] rt_sigprocmask(SIG_SETMASK, [] [pid 3840] write(3, "1000", 4 [pid 3841] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3839] <... unlinkat resumed>) = 0 [pid 3841] mkdirat(AT_FDCWD, "./config", 0777 [pid 3840] <... write resumed>) = 4 [pid 3841] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3839] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3841] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3840] close(3 [pid 3841] <... futex resumed>) = 1 [pid 3841] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3840] <... close resumed>) = 0 [pid 3840] write(1, "executing program\n", 18) = 18 [pid 3838] <... futex resumed>) = 0 executing program [pid 3839] <... futex resumed>) = 1 [pid 3838] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3832] <... futex resumed>) = 0 [pid 3841] <... futex resumed>) = 0 [pid 3840] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3839] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3838] <... futex resumed>) = 1 [pid 3841] mount(NULL, "./config", "configfs", 0, NULL [pid 3832] exit_group(0 [pid 3838] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3841] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3840] <... futex resumed>) = 0 [pid 3839] <... futex resumed>) = ? [pid 3832] <... exit_group resumed>) = ? [pid 3841] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3840] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3839] +++ exited with 0 +++ [pid 3841] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3840] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3840] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3840] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3840] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3832] +++ exited with 0 +++ [pid 3840] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3840] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3838] <... futex resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3832, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 3838] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3841] <... futex resumed>) = 0 [pid 3838] <... futex resumed>) = 1 [pid 311] <... restart_syscall resumed>) = 0 [pid 3841] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3840] <... clone3 resumed> => {parent_tid=[3842]}, 88) = 3842 [pid 3838] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3841] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3840] rt_sigprocmask(SIG_SETMASK, [] [pid 3838] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3841] <... futex resumed>) = 0 [pid 3840] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3838] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3841] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3840] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3838] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3841] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3840] <... futex resumed>) = 0 [pid 3838] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3841] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3840] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3838] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3841] <... futex resumed>) = 0 [pid 3841] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 3843 attached [pid 3843] set_robust_list(0x5555810c5760, 24) = 0 [pid 3843] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3838] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3844 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3843 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3845 [pid 3838] <... futex resumed>) = 1 [pid 3841] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3841] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3838] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3843] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3841] <... mkdirat resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3841] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3843] <... prctl resumed>) = 0 [pid 3841] <... futex resumed>) = 1 [pid 3838] <... futex resumed>) = 0 [pid 3841] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3838] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3841] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3838] <... futex resumed>) = 0 [pid 3841] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3838] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3843] setpgid(0, 0 [pid 3841] <... symlinkat resumed>) = 0 [pid 3843] <... setpgid resumed>) = 0 [pid 3841] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3841] <... futex resumed>) = 1 [pid 3838] <... futex resumed>) = 0 [pid 3841] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3838] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3845 attached [pid 3841] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3838] <... futex resumed>) = 0 [pid 3841] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3838] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3842 attached [pid 3845] set_robust_list(0x5555810c5760, 24 [pid 3843] <... openat resumed>) = 3 [pid 3841] <... unlinkat resumed>) = 0 [pid 3841] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3838] <... futex resumed>) = 0 [pid 3841] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3838] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3841] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3838] <... futex resumed>) = 0 [pid 3841] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3838] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3843] write(3, "1000", 4 [pid 3841] <... unlinkat resumed>) = 0 [pid 3843] <... write resumed>) = 4 [pid 3841] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3843] close(3 [pid 3841] <... futex resumed>) = 1 [pid 3838] <... futex resumed>) = 0 [pid 3841] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3838] exit_group(0) = ? [pid 3841] <... futex resumed>) = ? [pid 3843] <... close resumed>) = 0 [pid 3843] write(1, "executing program\n", 18) = 18 [pid 3843] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3843] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3843] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3843] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3841] +++ exited with 0 +++ [pid 3838] +++ exited with 0 +++ [pid 3843] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3838, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 3843] <... mprotect resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3843] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3845] <... set_robust_list resumed>) = 0 [pid 3842] set_robust_list(0x7f85c0c359a0, 24 [pid 3843] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3845] rt_sigprocmask(SIG_SETMASK, [] [pid 3842] <... set_robust_list resumed>) = 0 [pid 3845] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3843] <... clone3 resumed> => {parent_tid=[3846]}, 88) = 3846 [pid 3842] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 3846 attached [pid 3843] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3843] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3843] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3846] set_robust_list(0x7f85c0c359a0, 24 [pid 3845] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3842] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3844 attached [pid 3844] set_robust_list(0x5555810c5760, 24) = 0 [pid 3846] <... set_robust_list resumed>) = 0 [pid 3845] <... prctl resumed>) = 0 [pid 3844] rt_sigprocmask(SIG_SETMASK, [] [pid 3842] mkdirat(AT_FDCWD, "./config", 0777 [pid 3844] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3844] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3844] setpgid(0, 0) = 0 [pid 3844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3845] setpgid(0, 0 [pid 3844] write(3, "1000", 4) = 4 [pid 3844] close(3) = 0 executing program [pid 3844] write(1, "executing program\n", 18) = 18 [pid 3844] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3844] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3844] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3844] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3846] rt_sigprocmask(SIG_SETMASK, [] [pid 3845] <... setpgid resumed>) = 0 [pid 3842] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3844] <... mmap resumed>) = 0x7f85c0c15000 [pid 3842] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3844] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3845] <... openat resumed>) = 3 [pid 3844] <... mprotect resumed>) = 0 [pid 3842] <... futex resumed>) = 1 [pid 3840] <... futex resumed>) = 0 [pid 3846] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3845] write(3, "1000", 4 [pid 3844] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3842] mount(NULL, "./config", "configfs", 0, NULL [pid 3840] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3845] <... write resumed>) = 4 [pid 3844] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3840] <... futex resumed>) = 0 [pid 3845] close(3 [pid 3844] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3840] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3847 attached [pid 3846] mkdirat(AT_FDCWD, "./config", 0777 [pid 3845] <... close resumed>) = 0 [pid 3842] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3844] <... clone3 resumed> => {parent_tid=[3847]}, 88) = 3847 [pid 3844] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3844] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3844] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3847] set_robust_list(0x7f85c0c359a0, 24 [pid 3846] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3845] write(1, "executing program\n", 18 [pid 3842] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... restart_syscall resumed>) = 0 executing program [pid 3847] <... set_robust_list resumed>) = 0 [pid 3846] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3843] <... futex resumed>) = 0 [pid 3846] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3843] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3846] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3845] <... write resumed>) = 18 [pid 3843] <... futex resumed>) = 0 [pid 3842] <... futex resumed>) = 1 [pid 3840] <... futex resumed>) = 0 [pid 3846] mount(NULL, "./config", "configfs", 0, NULL [pid 3843] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3847] rt_sigprocmask(SIG_SETMASK, [] [pid 3846] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3845] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3842] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3840] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3846] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3843] <... futex resumed>) = 0 [pid 3846] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3843] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3846] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3843] <... futex resumed>) = 0 [pid 3846] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3843] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3846] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3846] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3843] <... futex resumed>) = 0 [pid 3846] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3843] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3846] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3843] <... futex resumed>) = 0 [pid 3846] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3843] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3846] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3846] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3843] <... futex resumed>) = 0 [pid 3846] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3843] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3846] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3845] <... futex resumed>) = 0 [pid 3843] <... futex resumed>) = 0 [pid 3842] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3840] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3846] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3845] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3843] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3842] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3840] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3847] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3846] <... mkdirat resumed>) = 0 [pid 3845] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3842] <... futex resumed>) = 0 [pid 3840] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3846] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3845] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3842] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3840] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3846] <... futex resumed>) = 1 [pid 3843] <... futex resumed>) = 0 [pid 3846] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3843] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3846] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3845] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3843] <... futex resumed>) = 0 [pid 3842] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3840] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3848 ci2-android-5-15/strace-static-x86_64: Process 3848 attached [pid 3846] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3845] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3843] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3842] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3840] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3846] <... symlinkat resumed>) = 0 [pid 3845] <... mmap resumed>) = 0x7f85c0c15000 [pid 3842] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3846] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3845] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3842] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3846] <... futex resumed>) = 1 [pid 3843] <... futex resumed>) = 0 [pid 3847] mkdirat(AT_FDCWD, "./config", 0777 [pid 3846] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3845] <... mprotect resumed>) = 0 [pid 3843] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3842] <... futex resumed>) = 1 [pid 3840] <... futex resumed>) = 0 [pid 3846] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3845] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3843] <... futex resumed>) = 0 [pid 3842] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3840] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3846] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3845] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3843] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3842] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3840] <... futex resumed>) = 0 [pid 3846] <... unlinkat resumed>) = 0 [pid 3845] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3842] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3840] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3847] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3846] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3848] set_robust_list(0x5555810c5760, 24 [pid 3846] <... futex resumed>) = 1 [pid 3843] <... futex resumed>) = 0 [pid 3848] <... set_robust_list resumed>) = 0 [pid 3846] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3843] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3842] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3848] rt_sigprocmask(SIG_SETMASK, [] [pid 3847] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3846] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3843] <... futex resumed>) = 0 [pid 3842] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3848] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3846] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3845] <... clone3 resumed> => {parent_tid=[3849]}, 88) = 3849 [pid 3843] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3842] <... futex resumed>) = 1 [pid 3848] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3847] <... futex resumed>) = 1 [pid 3846] <... unlinkat resumed>) = 0 [pid 3845] rt_sigprocmask(SIG_SETMASK, [] [pid 3844] <... futex resumed>) = 0 [pid 3842] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3840] <... futex resumed>) = 0 [pid 3848] <... prctl resumed>) = 0 [pid 3846] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3845] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3844] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3840] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3848] setpgid(0, 0 [pid 3847] mount(NULL, "./config", "configfs", 0, NULL [pid 3846] <... futex resumed>) = 1 [pid 3845] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3844] <... futex resumed>) = 0 [pid 3843] <... futex resumed>) = 0 [pid 3842] <... futex resumed>) = 0 [pid 3840] <... futex resumed>) = 1 [pid 3848] <... setpgid resumed>) = 0 [pid 3847] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3846] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3845] <... futex resumed>) = 0 [pid 3844] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3843] exit_group(0 [pid 3842] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3840] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3847] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3846] <... futex resumed>) = ? [pid 3845] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3844] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3843] <... exit_group resumed>) = ? [pid 3842] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3848] <... openat resumed>) = 3 [pid 3847] <... futex resumed>) = 0 [pid 3846] +++ exited with 0 +++ [pid 3844] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3843] +++ exited with 0 +++ [pid 3842] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3848] write(3, "1000", 4 [pid 3844] <... futex resumed>) = 0 [pid 3842] <... futex resumed>) = 1 [pid 3848] <... write resumed>) = 4 [pid 3847] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3844] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3840] <... futex resumed>) = 0 [pid 3842] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3843, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3848] close(3 [pid 3847] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3842] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3840] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3848] <... close resumed>) = 0 [pid 3847] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3842] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3840] <... futex resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3848] write(1, "executing program\n", 18 [pid 3842] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3840] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3848] <... write resumed>) = 18 [pid 3847] <... futex resumed>) = 1 [pid 3844] <... futex resumed>) = 0 executing program [pid 3842] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3840] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3848] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3847] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3844] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3842] <... futex resumed>) = 0 [pid 3848] <... futex resumed>) = 0 [pid 3847] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3844] <... futex resumed>) = 0 [pid 3842] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3840] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3849 attached [pid 3848] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3847] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3844] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3842] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3840] <... futex resumed>) = 0 [pid 3849] set_robust_list(0x7f85c0c359a0, 24 [pid 3848] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3847] <... futex resumed>) = 0 [pid 3844] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3842] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3840] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3849] <... set_robust_list resumed>) = 0 [pid 3848] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3847] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3844] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3842] <... futex resumed>) = 0 [pid 3840] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3849] rt_sigprocmask(SIG_SETMASK, [] [pid 3848] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3847] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3844] <... futex resumed>) = 0 [pid 3842] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3849] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3848] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3847] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3844] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3840] exit_group(0 [pid 3849] mkdirat(AT_FDCWD, "./config", 0777 [pid 3848] <... mmap resumed>) = 0x7f85c0c15000 [pid 3847] <... mkdirat resumed>) = 0 [pid 3840] <... exit_group resumed>) = ? [pid 3842] <... futex resumed>) = ? [pid 3849] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3849] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3845] <... futex resumed>) = 0 [pid 3849] mount(NULL, "./config", "configfs", 0, NULL [pid 3845] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3849] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3845] <... futex resumed>) = 0 [pid 3849] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3845] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3849] <... futex resumed>) = 0 [pid 3845] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3842] +++ exited with 0 +++ [pid 3840] +++ exited with 0 +++ [pid 3849] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3848] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3845] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3849] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3848] <... mprotect resumed>) = 0 [pid 3847] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3845] <... futex resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3840, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3849] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3848] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3847] <... futex resumed>) = 1 [pid 3845] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3844] <... futex resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3849] <... futex resumed>) = 0 [pid 3848] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3847] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3845] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3844] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3849] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3848] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3847] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3845] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3844] <... futex resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3850 attached [pid 3849] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3847] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3845] <... futex resumed>) = 0 [pid 3844] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3849] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3848] <... clone3 resumed> => {parent_tid=[3850]}, 88) = 3850 [pid 3847] <... symlinkat resumed>) = 0 [pid 3845] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3849] <... futex resumed>) = 0 [pid 3848] rt_sigprocmask(SIG_SETMASK, [] [pid 3847] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3845] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3849] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3848] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3847] <... futex resumed>) = 1 [pid 3845] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3844] <... futex resumed>) = 0 [pid 3849] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3845] <... futex resumed>) = 0 [pid 3844] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3849] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3845] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3844] <... futex resumed>) = 0 [pid 3849] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3848] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3847] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3844] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3849] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3848] <... futex resumed>) = 0 [pid 3847] <... unlinkat resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3851 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3849] <... futex resumed>) = 1 [pid 3848] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3847] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3845] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3849] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3847] <... futex resumed>) = 1 [pid 3845] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3844] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3849] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3845] <... futex resumed>) = 0 [pid 3849] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3845] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3849] <... symlinkat resumed>) = 0 [pid 3847] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3844] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3852 attached ci2-android-5-15/strace-static-x86_64: Process 3851 attached [pid 3849] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3847] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3844] <... futex resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3852 [pid 3849] <... futex resumed>) = 1 [pid 3847] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3845] <... futex resumed>) = 0 [pid 3844] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3849] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3847] <... futex resumed>) = 0 [pid 3845] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3844] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3849] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3847] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3845] <... futex resumed>) = 0 [pid 3844] exit_group(0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3851] set_robust_list(0x5555810c5760, 24 [pid 3850] set_robust_list(0x7f85c0c359a0, 24 [pid 3849] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3847] <... futex resumed>) = ? [pid 3845] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3844] <... exit_group resumed>) = ? [pid 3851] <... set_robust_list resumed>) = 0 [pid 3850] <... set_robust_list resumed>) = 0 [pid 3849] <... unlinkat resumed>) = 0 [pid 3847] +++ exited with 0 +++ [pid 3851] rt_sigprocmask(SIG_SETMASK, [] [pid 3849] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3851] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3849] <... futex resumed>) = 1 [pid 3845] <... futex resumed>) = 0 [pid 3851] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3849] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3845] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3844] +++ exited with 0 +++ [pid 3851] <... prctl resumed>) = 0 [pid 3849] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3845] <... futex resumed>) = 0 [pid 3851] setpgid(0, 0 [pid 3849] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3845] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3844, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3851] <... setpgid resumed>) = 0 [pid 3850] rt_sigprocmask(SIG_SETMASK, [] [pid 3849] <... unlinkat resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3852] set_robust_list(0x5555810c5760, 24 [pid 3851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3850] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3849] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3852] <... set_robust_list resumed>) = 0 [pid 3851] <... openat resumed>) = 3 [pid 3850] mkdirat(AT_FDCWD, "./config", 0777 [pid 3849] <... futex resumed>) = 1 [pid 3845] <... futex resumed>) = 0 [pid 3852] rt_sigprocmask(SIG_SETMASK, [] [pid 3851] write(3, "1000", 4 [pid 3850] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3849] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3845] exit_group(0 [pid 3852] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3851] <... write resumed>) = 4 [pid 3849] <... futex resumed>) = ? [pid 3845] <... exit_group resumed>) = ? [pid 3852] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3851] close(3 [pid 3850] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3849] +++ exited with 0 +++ [pid 3845] +++ exited with 0 +++ [pid 3852] <... prctl resumed>) = 0 [pid 3851] <... close resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3845, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3852] setpgid(0, 0 [pid 3850] <... futex resumed>) = 1 [pid 3848] <... futex resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3852] <... setpgid resumed>) = 0 [pid 3848] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3850] mount(NULL, "./config", "configfs", 0, NULL [pid 3848] <... futex resumed>) = 0 [pid 3851] write(1, "executing program\n", 18 [pid 3848] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3850] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3851] <... write resumed>) = 18 [pid 3852] <... openat resumed>) = 3 [pid 3851] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3850] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3851] <... futex resumed>) = 0 executing program [pid 3851] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3851] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3851] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3852] write(3, "1000", 4 [pid 3850] <... futex resumed>) = 1 [pid 3848] <... futex resumed>) = 0 [pid 3851] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3848] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3852] <... write resumed>) = 4 [pid 3851] <... mprotect resumed>) = 0 [pid 3850] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3852] close(3 [pid 3851] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3848] <... futex resumed>) = 0 [pid 3852] <... close resumed>) = 0 [pid 3851] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3850] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3848] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3851] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3852] write(1, "executing program\n", 18 [pid 3850] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3851] <... clone3 resumed> => {parent_tid=[3853]}, 88) = 3853 [pid 3851] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3852] <... write resumed>) = 18 executing program [pid 3851] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3848] <... futex resumed>) = 0 [pid 3851] <... futex resumed>) = 0 [pid 3850] <... futex resumed>) = 1 [pid 3848] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... restart_syscall resumed>) = 0 [pid 3852] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3851] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3850] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3848] <... futex resumed>) = 0 [pid 3852] <... futex resumed>) = 0 [pid 3850] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3848] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3852] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3850] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3848] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... restart_syscall resumed>) = 0 [pid 3852] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3850] <... futex resumed>) = 0 [pid 3848] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3852] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3850] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3848] <... futex resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3852] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3848] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3853 attached [pid 3853] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3853] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3852] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3854 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3852] <... mmap resumed>) = 0x7f85c0c15000 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3852] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3853] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3853] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3851] <... futex resumed>) = 0 [pid 3851] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3855 [pid 3852] <... mprotect resumed>) = 0 [pid 3851] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3850] <... mkdirat resumed>) = 0 [pid 3852] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3852] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3850] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3852] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3850] <... futex resumed>) = 1 [pid 3848] <... futex resumed>) = 0 [pid 3853] <... futex resumed>) = 1 [pid 3848] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3848] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3850] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3853] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3852] <... clone3 resumed> => {parent_tid=[3856]}, 88) = 3856 [pid 3850] <... symlinkat resumed>) = 0 [pid 3852] rt_sigprocmask(SIG_SETMASK, [] [pid 3850] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3852] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3850] <... futex resumed>) = 1 [pid 3852] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3848] <... futex resumed>) = 0 [pid 3852] <... futex resumed>) = 0 [pid 3850] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3848] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3852] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3850] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3848] <... futex resumed>) = 0 [pid 3850] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3848] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3853] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3850] <... unlinkat resumed>) = 0 [pid 3851] <... futex resumed>) = 0 [pid 3850] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3851] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3850] <... futex resumed>) = 1 [pid 3848] <... futex resumed>) = 0 [pid 3851] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3850] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3848] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3850] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3848] <... futex resumed>) = 0 [pid 3850] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3848] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3853] <... futex resumed>) = 1 [pid 3853] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3850] <... unlinkat resumed>) = 0 [pid 3850] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3853] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3850] <... futex resumed>) = 1 [pid 3848] <... futex resumed>) = 0 [pid 3850] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3848] exit_group(0 [pid 3853] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3850] <... futex resumed>) = ? [pid 3848] <... exit_group resumed>) = ? [pid 3851] <... futex resumed>) = 0 [pid 3851] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3851] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3853] <... futex resumed>) = 1 [pid 3853] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3853] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3851] <... futex resumed>) = 0 [pid 3853] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3851] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3853] <... mkdirat resumed>) = 0 [pid 3851] <... futex resumed>) = 0 [pid 3850] +++ exited with 0 +++ [pid 3848] +++ exited with 0 +++ [pid 3853] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3851] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3856 attached ci2-android-5-15/strace-static-x86_64: Process 3855 attached [pid 3853] <... futex resumed>) = 0 [pid 3851] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3848, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3853] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3851] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3853] <... symlinkat resumed>) = 0 [pid 3851] <... futex resumed>) = 0 [pid 3853] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3851] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3853] <... futex resumed>) = 0 [pid 3851] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3853] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3851] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3853] <... unlinkat resumed>) = 0 [pid 3851] <... futex resumed>) = 0 [pid 3855] set_robust_list(0x5555810c5760, 24 [pid 3853] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3851] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3853] <... futex resumed>) = 0 [pid 3851] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3853] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3851] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3854 attached [pid 3856] set_robust_list(0x7f85c0c359a0, 24 [pid 3855] <... set_robust_list resumed>) = 0 [pid 3853] <... unlinkat resumed>) = 0 [pid 3851] <... futex resumed>) = 0 [pid 3854] set_robust_list(0x5555810c5760, 24 [pid 3853] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3851] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3854] <... set_robust_list resumed>) = 0 [pid 3853] <... futex resumed>) = 0 [pid 3851] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3854] rt_sigprocmask(SIG_SETMASK, [] [pid 3853] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3851] exit_group(0 [pid 3856] <... set_robust_list resumed>) = 0 [pid 3855] rt_sigprocmask(SIG_SETMASK, [] [pid 3854] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3853] <... futex resumed>) = ? [pid 3851] <... exit_group resumed>) = ? [pid 3856] rt_sigprocmask(SIG_SETMASK, [] [pid 3855] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3854] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3853] +++ exited with 0 +++ [pid 3851] +++ exited with 0 +++ [pid 3856] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3855] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3854] <... prctl resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3851, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3856] mkdirat(AT_FDCWD, "./config", 0777 [pid 3855] <... prctl resumed>) = 0 [pid 3854] setpgid(0, 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3856] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3855] setpgid(0, 0 [pid 3854] <... setpgid resumed>) = 0 [pid 3856] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3852] <... futex resumed>) = 0 [pid 3855] <... setpgid resumed>) = 0 [pid 3854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3852] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3856] mount(NULL, "./config", "configfs", 0, NULL [pid 3855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3852] <... futex resumed>) = 0 [pid 3854] <... openat resumed>) = 3 [pid 3852] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3856] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3855] <... openat resumed>) = 3 [pid 3854] write(3, "1000", 4 [pid 3856] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3852] <... futex resumed>) = 0 [pid 3856] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3855] write(3, "1000", 4 [pid 3854] <... write resumed>) = 4 [pid 3852] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3856] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3852] <... futex resumed>) = 0 [pid 3856] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3852] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3856] <... futex resumed>) = 0 [pid 3852] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3856] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3852] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3856] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3852] <... futex resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 3856] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3855] <... write resumed>) = 4 [pid 3854] close(3 [pid 3852] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3856] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3855] close(3 [pid 3854] <... close resumed>) = 0 [pid 3856] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3855] <... close resumed>) = 0 [pid 3854] write(1, "executing program\n", 18 [pid 3852] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] executing program [pid 3856] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3855] write(1, "executing program\n", 18 [pid 3854] <... write resumed>) = 18 [pid 3852] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3856] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 3855] <... write resumed>) = 18 [pid 3854] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3852] <... futex resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3856] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3855] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3854] <... futex resumed>) = 0 [pid 3852] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... restart_syscall resumed>) = 0 [pid 3856] <... mkdirat resumed>) = 0 [pid 3855] <... futex resumed>) = 0 [pid 3854] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3856] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3855] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3854] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3857 [pid 3856] <... futex resumed>) = 1 [pid 3855] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3854] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3852] <... futex resumed>) = 0 [pid 3856] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3855] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3854] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3852] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3856] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3855] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3854] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3852] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3856] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3855] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3854] <... mmap resumed>) = 0x7f85c0c15000 [pid 3852] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3855] <... mmap resumed>) = 0x7f85c0c15000 ci2-android-5-15/strace-static-x86_64: Process 3857 attached [pid 3857] set_robust_list(0x5555810c5760, 24) = 0 [pid 3857] rt_sigprocmask(SIG_SETMASK, [] [pid 3856] <... symlinkat resumed>) = 0 [pid 3855] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3854] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3856] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3855] <... mprotect resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3858 [pid 3856] <... futex resumed>) = 1 [pid 3854] <... mprotect resumed>) = 0 [pid 3852] <... futex resumed>) = 0 [pid 3856] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3852] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3855] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3854] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3852] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3856] <... unlinkat resumed>) = 0 [pid 3855] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3854] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3852] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3857] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3856] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3855] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3854] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3852] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3857] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3856] <... futex resumed>) = 0 [pid 3852] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3857] <... prctl resumed>) = 0 [pid 3852] <... futex resumed>) = 0 [pid 3856] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3857] setpgid(0, 0 [pid 3855] <... clone3 resumed> => {parent_tid=[3859]}, 88) = 3859 [pid 3854] <... clone3 resumed> => {parent_tid=[3860]}, 88) = 3860 [pid 3852] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3857] <... setpgid resumed>) = 0 [pid 3856] <... unlinkat resumed>) = 0 [pid 3855] rt_sigprocmask(SIG_SETMASK, [] [pid 3854] rt_sigprocmask(SIG_SETMASK, [] [pid 3856] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3855] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3854] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3859 attached [pid 3857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3856] <... futex resumed>) = 1 [pid 3855] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3854] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3852] <... futex resumed>) = 0 [pid 3859] set_robust_list(0x7f85c0c359a0, 24 [pid 3857] <... openat resumed>) = 3 [pid 3856] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3855] <... futex resumed>) = 0 [pid 3854] <... futex resumed>) = 0 [pid 3852] exit_group(0 [pid 3857] write(3, "1000", 4 [pid 3856] <... futex resumed>) = ? [pid 3855] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3854] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3852] <... exit_group resumed>) = ? [pid 3859] <... set_robust_list resumed>) = 0 [pid 3857] <... write resumed>) = 4 [pid 3856] +++ exited with 0 +++ [pid 3852] +++ exited with 0 +++ [pid 3857] close(3 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3852, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3857] <... close resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 3858 attached executing program [pid 3857] write(1, "executing program\n", 18 [pid 3858] set_robust_list(0x5555810c5760, 24 [pid 3857] <... write resumed>) = 18 [pid 3858] <... set_robust_list resumed>) = 0 [pid 3857] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3859] rt_sigprocmask(SIG_SETMASK, [] [pid 3858] rt_sigprocmask(SIG_SETMASK, [] [pid 3857] <... futex resumed>) = 0 [pid 3859] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3858] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3857] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3858] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3857] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3858] <... prctl resumed>) = 0 [pid 3857] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3858] setpgid(0, 0 [pid 3857] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3860 attached [pid 3858] <... setpgid resumed>) = 0 [pid 3857] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3860] set_robust_list(0x7f85c0c359a0, 24 [pid 3859] mkdirat(AT_FDCWD, "./config", 0777 [pid 3858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3857] <... mmap resumed>) = 0x7f85c0c15000 [pid 3860] <... set_robust_list resumed>) = 0 [pid 3858] <... openat resumed>) = 3 [pid 3857] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3860] rt_sigprocmask(SIG_SETMASK, [] [pid 3858] write(3, "1000", 4 [pid 3857] <... mprotect resumed>) = 0 [pid 3860] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3858] <... write resumed>) = 4 [pid 3857] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3860] mkdirat(AT_FDCWD, "./config", 0777 [pid 3859] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3858] close(3 [pid 3857] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3860] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3858] <... close resumed>) = 0 [pid 3857] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3860] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3859] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3858] write(1, "executing program\n", 18ci2-android-5-15/strace-static-x86_64: Process 3861 attached executing program [pid 3860] <... futex resumed>) = 1 [pid 3858] <... write resumed>) = 18 [pid 3857] <... clone3 resumed> => {parent_tid=[3861]}, 88) = 3861 [pid 3859] <... futex resumed>) = 1 [pid 3855] <... futex resumed>) = 0 [pid 3854] <... futex resumed>) = 0 [pid 3860] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3859] mount(NULL, "./config", "configfs", 0, NULL [pid 3858] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3857] rt_sigprocmask(SIG_SETMASK, [] [pid 3855] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3854] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3860] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3859] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3858] <... futex resumed>) = 0 [pid 3857] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3855] <... futex resumed>) = 0 [pid 3854] <... futex resumed>) = 0 [pid 3861] set_robust_list(0x7f85c0c359a0, 24 [pid 3860] mount(NULL, "./config", "configfs", 0, NULL [pid 3859] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3858] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3857] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3855] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3854] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3861] <... set_robust_list resumed>) = 0 [pid 3860] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3859] <... futex resumed>) = 0 [pid 3858] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3857] <... futex resumed>) = 0 [pid 3855] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3860] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3858] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3857] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3855] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3859] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3860] <... futex resumed>) = 1 [pid 3858] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3855] <... futex resumed>) = 0 [pid 3854] <... futex resumed>) = 0 [pid 3859] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3860] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3858] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3855] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3859] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3854] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3861] rt_sigprocmask(SIG_SETMASK, [] [pid 3860] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3859] <... futex resumed>) = 0 [pid 3858] <... mmap resumed>) = 0x7f85c0c15000 [pid 3855] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3854] <... futex resumed>) = 0 [pid 3861] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3860] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3859] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3858] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3855] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3854] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3861] mkdirat(AT_FDCWD, "./config", 0777 [pid 3860] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3859] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3858] <... mprotect resumed>) = 0 [pid 3855] <... futex resumed>) = 0 [pid 3861] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3860] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3859] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3858] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3855] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... restart_syscall resumed>) = 0 [pid 3861] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3860] <... futex resumed>) = 1 [pid 3859] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3858] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3854] <... futex resumed>) = 0 [pid 3861] <... futex resumed>) = 1 [pid 3860] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3859] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3858] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3857] <... futex resumed>) = 0 [pid 3854] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3861] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3860] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3859] <... futex resumed>) = 1 [pid 3857] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3855] <... futex resumed>) = 0 [pid 3854] <... futex resumed>) = 0 [pid 3861] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3860] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3859] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3858] <... clone3 resumed> => {parent_tid=[3862]}, 88) = 3862 [pid 3857] <... futex resumed>) = 0 [pid 3855] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3854] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3861] mount(NULL, "./config", "configfs", 0, NULL [pid 3860] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3859] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3858] rt_sigprocmask(SIG_SETMASK, [] [pid 3857] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3855] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3861] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3860] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3859] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3858] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3855] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3861] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3860] <... futex resumed>) = 1 [pid 3859] <... mkdirat resumed>) = 0 [pid 3858] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3854] <... futex resumed>) = 0 [pid 3860] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3858] <... futex resumed>) = 0 [pid 3858] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3862 attached [pid 3859] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3854] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3857] <... futex resumed>) = 0 [pid 3861] <... futex resumed>) = 1 [pid 3860] <... futex resumed>) = 0 [pid 3859] <... futex resumed>) = 1 [pid 3855] <... futex resumed>) = 0 [pid 3857] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3854] <... futex resumed>) = 1 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3863 [pid 3861] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3860] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3859] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3857] <... futex resumed>) = 0 [pid 3855] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3854] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3861] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3860] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3859] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3857] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3855] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3861] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3860] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3859] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3857] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3855] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3861] <... futex resumed>) = 0 [pid 3860] <... futex resumed>) = 1 [pid 3854] <... futex resumed>) = 0 [pid 3860] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3859] <... symlinkat resumed>) = 0 [pid 3857] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3861] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3859] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3857] <... futex resumed>) = 0 [pid 3854] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3861] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3860] <... futex resumed>) = 0 [pid 3859] <... futex resumed>) = 1 [pid 3857] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3855] <... futex resumed>) = 0 [pid 3854] <... futex resumed>) = 1 [pid 3861] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3860] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3859] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3857] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3855] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3854] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3861] <... futex resumed>) = 0 [pid 3860] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3859] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3857] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3855] <... futex resumed>) = 0 [pid 3861] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3860] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3859] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3857] <... futex resumed>) = 0 [pid 3855] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3861] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3860] <... futex resumed>) = 1 [pid 3859] <... unlinkat resumed>) = 0 [pid 3857] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3854] <... futex resumed>) = 0 [pid 3861] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3860] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3859] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3857] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3854] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3861] <... futex resumed>) = 0 [pid 3860] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3859] <... futex resumed>) = 1 [pid 3857] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3855] <... futex resumed>) = 0 [pid 3854] <... futex resumed>) = 0 [pid 3861] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3860] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3859] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3857] <... futex resumed>) = 0 [pid 3855] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3854] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3861] <... symlinkat resumed>) = 0 [pid 3860] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3859] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3857] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3855] <... futex resumed>) = 0 [pid 3861] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3860] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3859] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3857] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3855] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3862] set_robust_list(0x7f85c0c359a0, 24 [pid 3861] <... futex resumed>) = 0 [pid 3860] <... futex resumed>) = 1 [pid 3859] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3857] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3854] <... futex resumed>) = 0 [pid 3862] <... set_robust_list resumed>) = 0 [pid 3861] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3860] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3859] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3857] <... futex resumed>) = 0 [pid 3854] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3862] rt_sigprocmask(SIG_SETMASK, [] [pid 3861] <... unlinkat resumed>) = 0 [pid 3860] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3859] <... futex resumed>) = 1 [pid 3857] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3855] <... futex resumed>) = 0 [pid 3854] <... futex resumed>) = 0 [pid 3862] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3861] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3860] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3859] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3857] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3855] exit_group(0 [pid 3854] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3862] mkdirat(AT_FDCWD, "./config", 0777 [pid 3861] <... futex resumed>) = 0 [pid 3860] <... unlinkat resumed>) = 0 [pid 3859] <... futex resumed>) = ? [pid 3857] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3855] <... exit_group resumed>) = ? [pid 3862] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3861] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3860] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3859] +++ exited with 0 +++ [pid 3857] <... futex resumed>) = 0 [pid 3862] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3860] <... futex resumed>) = 1 [pid 3862] <... futex resumed>) = 1 [pid 3860] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3858] <... futex resumed>) = 0 [pid 3862] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3858] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3862] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3858] <... futex resumed>) = 0 [pid 3855] +++ exited with 0 +++ [pid 3862] mount(NULL, "./config", "configfs", 0, NULL [pid 3858] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3857] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3854] <... futex resumed>) = 0 [pid 3862] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3861] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3854] exit_group(0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3855, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3861] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3860] <... futex resumed>) = ? [pid 3854] <... exit_group resumed>) = ? [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3861] <... futex resumed>) = 1 [pid 3860] +++ exited with 0 +++ [pid 3857] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3863 attached [pid 3862] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3863] set_robust_list(0x5555810c5760, 24 [pid 3862] <... futex resumed>) = 1 [pid 3858] <... futex resumed>) = 0 [pid 3863] <... set_robust_list resumed>) = 0 [pid 3862] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3858] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3863] rt_sigprocmask(SIG_SETMASK, [] [pid 3862] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3858] <... futex resumed>) = 0 [pid 3854] +++ exited with 0 +++ [pid 3863] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3862] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3858] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3857] exit_group(0 [pid 305] <... restart_syscall resumed>) = 0 [pid 3861] ???( [pid 3863] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3862] <... futex resumed>) = 0 [pid 3858] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3857] <... exit_group resumed>) = ? [pid 3861] <... ??? resumed>) = -1 ENOSYS (Function not implemented) [pid 3863] <... prctl resumed>) = 0 [pid 3862] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3858] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3854, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3863] setpgid(0, 0 [pid 3862] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3858] <... futex resumed>) = 0 [pid 3863] <... setpgid resumed>) = 0 [pid 3862] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3858] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3862] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3861] +++ exited with 0 +++ [pid 3857] +++ exited with 0 +++ [pid 3863] <... openat resumed>) = 3 [pid 3862] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3863] write(3, "1000", 4 [pid 3862] <... futex resumed>) = 1 [pid 3858] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3857, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3863] <... write resumed>) = 4 [pid 3862] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3858] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3863] close(3 [pid 3862] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3858] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3863] <... close resumed>) = 0 [pid 3862] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3858] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3863] write(1, "executing program\n", 18 [pid 3862] <... mkdirat resumed>) = 0 [pid 3863] <... write resumed>) = 18 [pid 3862] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3863] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3862] <... futex resumed>) = 1 executing program [pid 3858] <... futex resumed>) = 0 [pid 3863] <... futex resumed>) = 0 [pid 3862] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3858] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3864 [pid 3863] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3862] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3858] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3865 [pid 3863] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3862] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3858] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3863] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3862] <... symlinkat resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3863] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3862] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3863] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3862] <... futex resumed>) = 1 [pid 3858] <... futex resumed>) = 0 [pid 3863] <... mmap resumed>) = 0x7f85c0c15000 [pid 3862] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3858] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3863] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3862] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3858] <... futex resumed>) = 0 [pid 3863] <... mprotect resumed>) = 0 [pid 3862] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3858] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3864 attached [pid 3863] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3862] <... unlinkat resumed>) = 0 [pid 3863] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3862] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3863] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3862] <... futex resumed>) = 1 [pid 3858] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3866 attached [pid 3864] set_robust_list(0x5555810c5760, 24 [pid 3862] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3858] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3863] <... clone3 resumed> => {parent_tid=[3866]}, 88) = 3866 [pid 3862] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3858] <... futex resumed>) = 0 [pid 3863] rt_sigprocmask(SIG_SETMASK, [] [pid 3862] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3858] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3866] set_robust_list(0x7f85c0c359a0, 24 [pid 3864] <... set_robust_list resumed>) = 0 [pid 3863] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3862] <... unlinkat resumed>) = 0 [pid 3863] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3862] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3863] <... futex resumed>) = 0 [pid 3862] <... futex resumed>) = 1 [pid 3858] <... futex resumed>) = 0 [pid 3863] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3862] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3858] exit_group(0 [pid 3862] <... futex resumed>) = ? [pid 3858] <... exit_group resumed>) = ? [pid 3866] <... set_robust_list resumed>) = 0 [pid 3864] rt_sigprocmask(SIG_SETMASK, [] [pid 3862] +++ exited with 0 +++ [pid 3858] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 3865 attached [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3858, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3865] set_robust_list(0x5555810c5760, 24 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3865] <... set_robust_list resumed>) = 0 [pid 3865] rt_sigprocmask(SIG_SETMASK, [] [pid 3866] rt_sigprocmask(SIG_SETMASK, [] [pid 3864] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3865] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3865] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3864] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3865] <... prctl resumed>) = 0 [pid 3865] setpgid(0, 0) = 0 [pid 3866] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3864] <... prctl resumed>) = 0 [pid 3865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3864] setpgid(0, 0 [pid 3866] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3865] <... openat resumed>) = 3 [pid 3864] <... setpgid resumed>) = 0 [pid 3865] write(3, "1000", 4) = 4 [pid 3865] close(3) = 0 [pid 3865] write(1, "executing program\n", 18) = 18 executing program [pid 3865] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3866] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 311] <... restart_syscall resumed>) = 0 [pid 3865] <... futex resumed>) = 0 [pid 3865] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3864] <... openat resumed>) = 3 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3865] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3864] write(3, "1000", 4 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3865] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3865] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3865] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3865] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3865] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3864] <... write resumed>) = 4 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3867 [pid 3864] close(3 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3865] <... clone3 resumed> => {parent_tid=[3868]}, 88) = 3868 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3864] <... close resumed>) = 0 [pid 3865] rt_sigprocmask(SIG_SETMASK, [] [pid 3864] write(1, "executing program\n", 18 [pid 3865] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3865] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 3865] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3868 attached [pid 3864] <... write resumed>) = 18 [pid 3868] set_robust_list(0x7f85c0c359a0, 24 [pid 3864] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... restart_syscall resumed>) = 0 [pid 3868] <... set_robust_list resumed>) = 0 [pid 3864] <... futex resumed>) = 0 [pid 3868] rt_sigprocmask(SIG_SETMASK, [] [pid 3864] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3868] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3864] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3864] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3868] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3868] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3865] <... futex resumed>) = 0 [pid 3865] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3864] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3865] <... futex resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3869 [pid 3865] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3864] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 306] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 3869 attached ci2-android-5-15/strace-static-x86_64: Process 3867 attached [pid 3866] <... futex resumed>) = 1 [pid 3864] <... mmap resumed>) = 0x7f85c0c15000 [pid 3863] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3863] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3864] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3863] <... futex resumed>) = 0 [pid 3864] <... mprotect resumed>) = 0 [pid 3863] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3868] <... futex resumed>) = 1 [pid 3869] set_robust_list(0x5555810c5760, 24 [pid 3868] mount(NULL, "./config", "configfs", 0, NULL [pid 3866] mount(NULL, "./config", "configfs", 0, NULL [pid 3864] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3864] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3868] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3864] <... clone3 resumed> => {parent_tid=[3870]}, 88) = 3870 [pid 3868] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3864] rt_sigprocmask(SIG_SETMASK, [] [pid 3865] <... futex resumed>) = 0 [pid 3864] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3865] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3864] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3870 attached [pid 3868] <... futex resumed>) = 1 [pid 3867] set_robust_list(0x5555810c5760, 24 [pid 3866] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3865] <... futex resumed>) = 0 [pid 3864] <... futex resumed>) = 0 [pid 3865] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3866] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3864] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3868] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3863] <... futex resumed>) = 0 [pid 3866] <... futex resumed>) = 1 [pid 3863] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3866] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3863] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3868] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3866] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3868] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3865] <... futex resumed>) = 0 [pid 3865] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3865] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3868] <... futex resumed>) = 1 [pid 3868] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3868] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3865] <... futex resumed>) = 0 [pid 3865] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3865] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3868] <... futex resumed>) = 1 [pid 3868] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3866] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3868] <... mkdirat resumed>) = 0 [pid 3866] <... futex resumed>) = 1 [pid 3863] <... futex resumed>) = 0 [pid 3868] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3866] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3863] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3865] <... futex resumed>) = 0 [pid 3863] <... futex resumed>) = 0 [pid 3866] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3865] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3863] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3865] <... futex resumed>) = 0 [pid 3866] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3865] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3866] <... futex resumed>) = 1 [pid 3863] <... futex resumed>) = 0 [pid 3866] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3863] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3866] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3863] <... futex resumed>) = 0 [pid 3866] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3863] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3866] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3868] <... futex resumed>) = 1 [pid 3866] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3868] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3866] <... futex resumed>) = 1 [pid 3863] <... futex resumed>) = 0 [pid 3866] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3863] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3866] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3863] <... futex resumed>) = 0 [pid 3868] <... symlinkat resumed>) = 0 [pid 3866] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3863] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3868] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3866] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3869] <... set_robust_list resumed>) = 0 [pid 3866] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3868] <... futex resumed>) = 1 [pid 3865] <... futex resumed>) = 0 [pid 3866] <... futex resumed>) = 1 [pid 3865] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3863] <... futex resumed>) = 0 [pid 3868] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3866] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3865] <... futex resumed>) = 0 [pid 3863] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3868] <... unlinkat resumed>) = 0 [pid 3866] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3865] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3869] rt_sigprocmask(SIG_SETMASK, [] [pid 3868] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3866] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3865] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3863] <... futex resumed>) = 0 [pid 3869] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3868] <... futex resumed>) = 0 [pid 3866] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3865] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3863] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3869] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3868] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3866] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3865] <... futex resumed>) = 0 [pid 3863] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3870] set_robust_list(0x7f85c0c359a0, 24 [pid 3869] <... prctl resumed>) = 0 [pid 3867] <... set_robust_list resumed>) = 0 [pid 3866] <... futex resumed>) = 0 [pid 3865] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3863] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3870] <... set_robust_list resumed>) = 0 [pid 3869] setpgid(0, 0 [pid 3868] <... unlinkat resumed>) = 0 [pid 3867] rt_sigprocmask(SIG_SETMASK, [] [pid 3866] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3863] <... futex resumed>) = 0 [pid 3868] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3863] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3870] rt_sigprocmask(SIG_SETMASK, [] [pid 3869] <... setpgid resumed>) = 0 [pid 3868] <... futex resumed>) = 1 [pid 3867] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3866] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3865] <... futex resumed>) = 0 [pid 3870] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3868] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3867] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3866] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3865] exit_group(0 [pid 3870] mkdirat(AT_FDCWD, "./config", 0777 [pid 3869] <... openat resumed>) = 3 [pid 3868] <... futex resumed>) = ? [pid 3867] <... prctl resumed>) = 0 [pid 3866] <... futex resumed>) = 1 [pid 3865] <... exit_group resumed>) = ? [pid 3863] <... futex resumed>) = 0 [pid 3868] +++ exited with 0 +++ [pid 3866] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3863] exit_group(0 [pid 3870] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3869] write(3, "1000", 4 [pid 3867] setpgid(0, 0 [pid 3865] +++ exited with 0 +++ [pid 3866] <... futex resumed>) = ? [pid 3863] <... exit_group resumed>) = ? [pid 3866] +++ exited with 0 +++ [pid 3870] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3869] <... write resumed>) = 4 [pid 3867] <... setpgid resumed>) = 0 [pid 3870] <... futex resumed>) = 1 [pid 3869] close(3 [pid 3867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3870] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3869] <... close resumed>) = 0 [pid 3867] <... openat resumed>) = 3 [pid 3863] +++ exited with 0 +++ [pid 3864] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3865, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 3864] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3864] <... futex resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3863, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3864] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3870] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3869] write(1, "executing program\n", 18 executing program [pid 3867] write(3, "1000", 4 [pid 3870] mount(NULL, "./config", "configfs", 0, NULL [pid 3869] <... write resumed>) = 18 [pid 3867] <... write resumed>) = 4 [pid 312] <... restart_syscall resumed>) = 0 [pid 3870] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3869] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3870] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3869] <... futex resumed>) = 0 [pid 3867] close(3 [pid 3870] <... futex resumed>) = 1 [pid 3869] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3864] <... futex resumed>) = 0 [pid 3870] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3869] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3867] <... close resumed>) = 0 [pid 3864] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3870] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3869] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3867] write(1, "executing program\n", 18 executing program [pid 3864] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 3870] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3869] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3867] <... write resumed>) = 18 [pid 3864] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3870] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3869] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3867] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3870] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3869] <... mmap resumed>) = 0x7f85c0c15000 [pid 3867] <... futex resumed>) = 0 [pid 3870] <... futex resumed>) = 0 [pid 3869] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3867] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3870] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3869] <... mprotect resumed>) = 0 [pid 3867] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3864] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3869] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3867] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3869] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3867] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3869] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3867] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3864] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3871 [pid 3867] <... mmap resumed>) = 0x7f85c0c15000 [pid 3864] <... futex resumed>) = 1 [pid 3870] <... futex resumed>) = 0 [pid 3869] <... clone3 resumed> => {parent_tid=[3872]}, 88) = 3872 [pid 3867] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3864] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3870] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3869] rt_sigprocmask(SIG_SETMASK, [] [pid 3867] <... mprotect resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3870] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3869] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3867] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3870] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3869] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3867] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3869] <... futex resumed>) = 0 [pid 3867] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3869] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3870] <... futex resumed>) = 1 [pid 3867] <... clone3 resumed> => {parent_tid=[3873]}, 88) = 3873 [pid 3864] <... futex resumed>) = 0 [pid 3870] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3867] rt_sigprocmask(SIG_SETMASK, [] [pid 3864] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3874 [pid 3870] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3867] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3864] <... futex resumed>) = 0 [pid 3870] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3867] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3864] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3867] <... futex resumed>) = 0 [pid 3867] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3870] <... mkdirat resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3870] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3864] <... futex resumed>) = 0 [pid 3870] <... futex resumed>) = 1 [pid 3864] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3870] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3864] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3871 attached [pid 3870] <... symlinkat resumed>) = 0 [pid 3864] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3870] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3864] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3870] <... futex resumed>) = 0 [pid 3864] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3870] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3864] <... futex resumed>) = 0 [pid 3871] set_robust_list(0x5555810c5760, 24 [pid 3870] <... unlinkat resumed>) = 0 [pid 3864] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3870] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3864] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3870] <... futex resumed>) = 0 [pid 3864] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3870] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3864] <... futex resumed>) = 0 [pid 3871] <... set_robust_list resumed>) = 0 [pid 3871] rt_sigprocmask(SIG_SETMASK, [] [pid 3870] <... unlinkat resumed>) = 0 [pid 3864] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3870] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3864] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3870] <... futex resumed>) = 0 [pid 3864] exit_group(0 [pid 3870] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3871] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3864] <... exit_group resumed>) = ? [pid 3870] <... futex resumed>) = ? [pid 3871] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3871] setpgid(0, 0) = 0 [pid 3871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3871] write(3, "1000", 4 [pid 3870] +++ exited with 0 +++ [pid 3864] +++ exited with 0 +++ [pid 3871] <... write resumed>) = 4 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3864, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3871] close(3 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3871] <... close resumed>) = 0 executing program [pid 3871] write(1, "executing program\n", 18) = 18 [pid 3871] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3871] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}ci2-android-5-15/strace-static-x86_64: Process 3874 attached , NULL, 8) = 0 [pid 3871] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3874] set_robust_list(0x5555810c5760, 24ci2-android-5-15/strace-static-x86_64: Process 3872 attached [pid 3871] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3871] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3871] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3871] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3874] <... set_robust_list resumed>) = 0 [pid 3872] set_robust_list(0x7f85c0c359a0, 24 [pid 3871] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3871] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0}ci2-android-5-15/strace-static-x86_64: Process 3875 attached ci2-android-5-15/strace-static-x86_64: Process 3873 attached [pid 3874] rt_sigprocmask(SIG_SETMASK, [] [pid 3872] <... set_robust_list resumed>) = 0 [pid 3871] <... clone3 resumed> => {parent_tid=[3875]}, 88) = 3875 [pid 3874] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3872] rt_sigprocmask(SIG_SETMASK, [] [pid 3873] set_robust_list(0x7f85c0c359a0, 24 [pid 3871] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3871] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3874] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3871] <... futex resumed>) = 0 [pid 3873] <... set_robust_list resumed>) = 0 [pid 3872] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3874] <... prctl resumed>) = 0 [pid 3873] rt_sigprocmask(SIG_SETMASK, [] [pid 3872] mkdirat(AT_FDCWD, "./config", 0777 [pid 3874] setpgid(0, 0) = 0 [pid 3873] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3872] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3871] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3873] mkdirat(AT_FDCWD, "./config", 0777 [pid 3872] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3869] <... futex resumed>) = 0 [pid 3869] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3874] <... openat resumed>) = 3 [pid 3869] <... futex resumed>) = 0 [pid 3872] mount(NULL, "./config", "configfs", 0, NULL [pid 3873] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3869] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3875] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3875] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3875] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3875] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3872] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3874] write(3, "1000", 4 [pid 3873] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... restart_syscall resumed>) = 0 [pid 3875] <... futex resumed>) = 1 [pid 3874] <... write resumed>) = 4 [pid 3872] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3871] <... futex resumed>) = 0 [pid 3873] <... futex resumed>) = 1 [pid 3867] <... futex resumed>) = 0 [pid 3875] mount(NULL, "./config", "configfs", 0, NULL [pid 3871] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3867] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3875] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3874] close(3 [pid 3873] mount(NULL, "./config", "configfs", 0, NULL [pid 3872] <... futex resumed>) = 1 [pid 3871] <... futex resumed>) = 0 [pid 3869] <... futex resumed>) = 0 [pid 3867] <... futex resumed>) = 0 [pid 3875] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3874] <... close resumed>) = 0 [pid 3873] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3872] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3871] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3869] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3867] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3875] <... futex resumed>) = 0 [pid 3874] write(1, "executing program\n", 18 [pid 3873] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 3872] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3871] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3869] <... futex resumed>) = 0 [pid 3867] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3875] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3874] <... write resumed>) = 18 [pid 3873] <... futex resumed>) = 0 [pid 3872] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3871] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3869] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3867] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3875] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3874] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3873] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3872] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3871] <... futex resumed>) = 0 [pid 3867] <... futex resumed>) = 0 [pid 3875] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3871] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3867] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3875] <... futex resumed>) = 0 [pid 3871] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3875] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3874] <... futex resumed>) = 0 [pid 3873] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3872] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3871] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3875] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3874] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3873] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3872] <... futex resumed>) = 1 [pid 3871] <... futex resumed>) = 0 [pid 3869] <... futex resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3876 [pid 3875] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3874] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3873] <... futex resumed>) = 1 [pid 3872] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3871] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3869] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3867] <... futex resumed>) = 0 [pid 3875] <... futex resumed>) = 0 [pid 3874] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3873] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3872] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3871] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3869] <... futex resumed>) = 0 [pid 3867] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3875] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3874] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3873] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3872] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3871] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3869] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3867] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3875] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3874] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3873] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3872] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3871] <... futex resumed>) = 0 [pid 3867] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3876 attached [pid 3875] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3874] <... mmap resumed>) = 0x7f85c0c15000 [pid 3873] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3872] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3871] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3875] <... mkdirat resumed>) = 0 [pid 3874] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3873] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3872] <... futex resumed>) = 1 [pid 3869] <... futex resumed>) = 0 [pid 3875] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3874] <... mprotect resumed>) = 0 [pid 3873] <... futex resumed>) = 1 [pid 3872] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3867] <... futex resumed>) = 0 [pid 3869] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3875] <... futex resumed>) = 1 [pid 3874] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3873] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3872] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3871] <... futex resumed>) = 0 [pid 3869] <... futex resumed>) = 0 [pid 3867] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3876] set_robust_list(0x5555810c5760, 24 [pid 3875] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3874] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3873] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3872] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3871] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3869] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3867] <... futex resumed>) = 0 [pid 3876] <... set_robust_list resumed>) = 0 [pid 3875] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3874] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3873] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3872] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3871] <... futex resumed>) = 0 [pid 3867] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3876] rt_sigprocmask(SIG_SETMASK, [] [pid 3875] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3873] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3872] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3871] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3876] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3875] <... symlinkat resumed>) = 0 [pid 3874] <... clone3 resumed> => {parent_tid=[3877]}, 88) = 3877 [pid 3873] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3872] <... futex resumed>) = 1 [pid 3869] <... futex resumed>) = 0 [pid 3876] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3875] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3874] rt_sigprocmask(SIG_SETMASK, [] [pid 3873] <... futex resumed>) = 1 [pid 3872] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3869] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3867] <... futex resumed>) = 0 [pid 3876] <... prctl resumed>) = 0 [pid 3875] <... futex resumed>) = 1 [pid 3874] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3873] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3872] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3871] <... futex resumed>) = 0 [pid 3869] <... futex resumed>) = 0 [pid 3867] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3876] setpgid(0, 0 [pid 3875] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3874] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3873] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3872] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3871] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3869] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3867] <... futex resumed>) = 0 [pid 3876] <... setpgid resumed>) = 0 [pid 3875] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3874] <... futex resumed>) = 0 [pid 3873] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3872] <... futex resumed>) = 0 [pid 3871] <... futex resumed>) = 0 [pid 3869] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3867] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3875] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3874] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3873] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3872] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3871] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3869] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3876] <... openat resumed>) = 3 [pid 3875] <... unlinkat resumed>) = 0 [pid 3873] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3872] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3869] <... futex resumed>) = 0 [pid 3876] write(3, "1000", 4 [pid 3875] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3873] <... futex resumed>) = 1 [pid 3872] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3869] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3867] <... futex resumed>) = 0 [pid 3876] <... write resumed>) = 4 [pid 3875] <... futex resumed>) = 1 [pid 3873] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3872] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3871] <... futex resumed>) = 0 [pid 3867] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3876] close(3 [pid 3875] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3873] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3872] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3871] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3867] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3877 attached [pid 3876] <... close resumed>) = 0 [pid 3875] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3873] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3872] <... futex resumed>) = 1 [pid 3871] <... futex resumed>) = 0 [pid 3869] <... futex resumed>) = 0 [pid 3867] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3876] write(1, "executing program\n", 18 executing program [pid 3875] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3873] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3872] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3871] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3869] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3876] <... write resumed>) = 18 [pid 3875] <... unlinkat resumed>) = 0 [pid 3873] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3872] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3869] <... futex resumed>) = 0 [pid 3876] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3875] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3873] <... futex resumed>) = 1 [pid 3872] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3869] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3867] <... futex resumed>) = 0 [pid 3876] <... futex resumed>) = 0 [pid 3875] <... futex resumed>) = 1 [pid 3873] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3872] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3871] <... futex resumed>) = 0 [pid 3867] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3876] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3875] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3873] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3872] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3871] exit_group(0 [pid 3867] <... futex resumed>) = 0 [pid 3876] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3875] <... futex resumed>) = ? [pid 3873] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3872] <... futex resumed>) = 1 [pid 3871] <... exit_group resumed>) = ? [pid 3869] <... futex resumed>) = 0 [pid 3867] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3877] set_robust_list(0x7f85c0c359a0, 24 [pid 3876] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3875] +++ exited with 0 +++ [pid 3873] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3872] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3871] +++ exited with 0 +++ [pid 3869] exit_group(0 [pid 3877] <... set_robust_list resumed>) = 0 [pid 3876] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3873] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3869] <... exit_group resumed>) = ? [pid 3877] rt_sigprocmask(SIG_SETMASK, [] [pid 3876] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3873] <... futex resumed>) = 1 [pid 3872] <... futex resumed>) = ? [pid 3867] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3871, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3877] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3876] <... mmap resumed>) = 0x7f85c0c15000 [pid 3873] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3877] mkdirat(AT_FDCWD, "./config", 0777 [pid 3876] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3872] +++ exited with 0 +++ [pid 3869] +++ exited with 0 +++ [pid 3877] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3876] <... mprotect resumed>) = 0 [pid 3867] exit_group(0 [pid 3876] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3867] <... exit_group resumed>) = ? [pid 3877] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3876] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3873] <... futex resumed>) = ? [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3869, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3876] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[3878]}, 88) = 3878 [pid 3876] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3876] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3876] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3878 attached [pid 3878] set_robust_list(0x7f85c0c359a0, 24 [pid 3873] +++ exited with 0 +++ [pid 3867] +++ exited with 0 +++ [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3867, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3877] <... futex resumed>) = 1 [pid 3874] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3877] mount(NULL, "./config", "configfs", 0, NULL [pid 3874] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3878] <... set_robust_list resumed>) = 0 [pid 3874] <... futex resumed>) = 0 [pid 3878] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3878] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3878] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3874] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3876] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3879 [pid 3877] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3876] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3877] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3876] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3876] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3877] <... futex resumed>) = 1 [pid 3874] <... futex resumed>) = 0 [pid 3878] <... futex resumed>) = 1 [pid 3874] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3877] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3874] <... futex resumed>) = 0 [pid 3878] mount(NULL, "./config", "configfs", 0, NULL [pid 3874] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3877] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3878] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3877] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3878] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3879 attached [pid 3877] <... futex resumed>) = 1 [pid 3874] <... futex resumed>) = 0 [pid 3877] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3876] <... futex resumed>) = 0 [pid 3874] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3876] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3877] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3876] <... futex resumed>) = 0 [pid 3874] <... futex resumed>) = 0 [pid 3877] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3876] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3874] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3878] <... futex resumed>) = 1 [pid 3877] <... futex resumed>) = 0 [pid 3874] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3877] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3874] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3877] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3874] <... futex resumed>) = 0 [pid 3878] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3877] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3874] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3878] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3878] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3876] <... futex resumed>) = 0 [pid 3876] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3876] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3878] <... futex resumed>) = 1 [pid 3878] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3877] <... mkdirat resumed>) = 0 [pid 3878] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3878] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3877] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... restart_syscall resumed>) = 0 [pid 3874] <... futex resumed>) = 0 [pid 3877] <... futex resumed>) = 1 [pid 3874] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3876] <... futex resumed>) = 0 [pid 3877] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3876] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3874] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... restart_syscall resumed>) = 0 [pid 3876] <... futex resumed>) = 0 [pid 3874] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3877] <... symlinkat resumed>) = 0 [pid 3876] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3877] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3878] <... futex resumed>) = 1 [pid 3878] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 3878] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3876] <... futex resumed>) = 0 [pid 3877] <... futex resumed>) = 1 [pid 3876] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3874] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3877] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3876] <... futex resumed>) = 0 [pid 3874] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3877] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3876] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3874] <... futex resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3880 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3877] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3874] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3878] <... futex resumed>) = 1 [pid 3878] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = -1 EEXIST (File exists) [pid 3878] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3876] <... futex resumed>) = 0 [pid 3878] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3876] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3879] set_robust_list(0x5555810c5760, 24 [pid 3878] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3877] <... unlinkat resumed>) = 0 [pid 3876] <... futex resumed>) = 0 [pid 3879] <... set_robust_list resumed>) = 0 [pid 3878] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3877] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3876] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3881 [pid 3879] rt_sigprocmask(SIG_SETMASK, [] [pid 3878] <... futex resumed>) = 0 [pid 3877] <... futex resumed>) = 1 [pid 3876] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3874] <... futex resumed>) = 0 [pid 3879] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3878] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3877] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3876] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3874] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 3881 attached [pid 3879] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3878] <... unlinkat resumed>) = 0 [pid 3877] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3876] <... futex resumed>) = 0 [pid 3874] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3879] <... prctl resumed>) = 0 [pid 3878] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3877] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3876] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3874] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3879] setpgid(0, 0 [pid 3878] <... futex resumed>) = 0 [pid 3877] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3876] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3879] <... setpgid resumed>) = 0 [pid 3878] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3877] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3876] exit_group(0 [pid 3878] <... futex resumed>) = ? [pid 3877] <... futex resumed>) = 1 [pid 3876] <... exit_group resumed>) = ? [pid 3874] <... futex resumed>) = 0 [pid 3881] set_robust_list(0x5555810c5760, 24 [pid 3879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3878] +++ exited with 0 +++ [pid 3877] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3876] +++ exited with 0 +++ [pid 3874] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 3880 attached [pid 3877] <... futex resumed>) = ? [pid 3874] <... exit_group resumed>) = ? [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3876, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3877] +++ exited with 0 +++ [pid 3880] set_robust_list(0x5555810c5760, 24 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3880] <... set_robust_list resumed>) = 0 [pid 3880] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3880] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3880] setpgid(0, 0 [pid 3874] +++ exited with 0 +++ [pid 3880] <... setpgid resumed>) = 0 [pid 3880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] <... restart_syscall resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3874, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3879] <... openat resumed>) = 3 [pid 3879] write(3, "1000", 4 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3880] <... openat resumed>) = 3 [pid 3879] <... write resumed>) = 4 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... restart_syscall resumed>) = 0 [pid 3881] <... set_robust_list resumed>) = 0 [pid 3879] close(3 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3880] write(3, "1000", 4) = 4 [pid 3880] close(3) = 0 [pid 3880] write(1, "executing program\n", 18) = 18 [pid 3880] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3879] <... close resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3881] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 3879] write(1, "executing program\n", 18 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3882 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3880] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3881] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3879] <... write resumed>) = 18 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3880] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3880] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3880] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3883 [pid 3879] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3879] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3881] prctl(PR_SET_PDEATHSIG, SIGKILL executing program [pid 3879] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3880] <... mmap resumed>) = 0x7f85c0c15000 [pid 3880] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 ci2-android-5-15/strace-static-x86_64: Process 3883 attached [pid 3881] <... prctl resumed>) = 0 [pid 3880] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3879] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3880] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3880] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[3884]}, 88) = 3884 [pid 3881] setpgid(0, 0 [pid 3879] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3881] <... setpgid resumed>) = 0 [pid 3880] rt_sigprocmask(SIG_SETMASK, [] [pid 3879] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3880] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3879] <... mmap resumed>) = 0x7f85c0c15000 [pid 3881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3879] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3880] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3879] <... mprotect resumed>) = 0 [pid 3880] <... futex resumed>) = 0 [pid 3881] <... openat resumed>) = 3 [pid 3880] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3881] write(3, "1000", 4 [pid 3879] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 3882 attached [pid 3881] <... write resumed>) = 4 [pid 3879] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3882] set_robust_list(0x5555810c5760, 24 [pid 3881] close(3 [pid 3879] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3883] set_robust_list(0x5555810c5760, 24 [pid 3881] <... close resumed>) = 0 [pid 3882] <... set_robust_list resumed>) = 0 executing program [pid 3882] rt_sigprocmask(SIG_SETMASK, [] [pid 3881] write(1, "executing program\n", 18 [pid 3882] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3881] <... write resumed>) = 18 [pid 3879] <... clone3 resumed> => {parent_tid=[3885]}, 88) = 3885 [pid 3882] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3881] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3879] rt_sigprocmask(SIG_SETMASK, [] [pid 3882] <... prctl resumed>) = 0 [pid 3881] <... futex resumed>) = 0 [pid 3879] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3882] setpgid(0, 0 [pid 3881] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3879] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3882] <... setpgid resumed>) = 0 [pid 3881] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3879] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3885 attached [pid 3883] <... set_robust_list resumed>) = 0 [pid 3882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3881] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3879] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3883] rt_sigprocmask(SIG_SETMASK, [] [pid 3882] <... openat resumed>) = 3 [pid 3881] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3883] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3882] write(3, "1000", 4 [pid 3881] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3882] <... write resumed>) = 4 [pid 3881] <... mmap resumed>) = 0x7f85c0c15000 [pid 3883] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3882] close(3 [pid 3881] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3882] <... close resumed>) = 0 [pid 3883] <... prctl resumed>) = 0 [pid 3881] <... mprotect resumed>) = 0 [pid 3882] write(1, "executing program\n", 18 [pid 3883] setpgid(0, 0 [pid 3881] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3883] <... setpgid resumed>) = 0 [pid 3881] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3881] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3882] <... write resumed>) = 18 [pid 3882] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3881] <... clone3 resumed> => {parent_tid=[3886]}, 88) = 3886 [pid 3882] <... futex resumed>) = 0 [pid 3881] rt_sigprocmask(SIG_SETMASK, [] [pid 3882] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3883] <... openat resumed>) = 3 [pid 3881] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3882] <... rt_sigaction resumed>, NULL, 8) = 0 executing program [pid 3883] write(3, "1000", 4 [pid 3881] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3882] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3883] <... write resumed>) = 4 [pid 3881] <... futex resumed>) = 0 [pid 3882] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3881] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3883] close(3 [pid 3882] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3883] <... close resumed>) = 0 [pid 3882] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 ci2-android-5-15/strace-static-x86_64: Process 3886 attached [pid 3885] set_robust_list(0x7f85c0c359a0, 24 [pid 3883] write(1, "executing program\n", 18 [pid 3882] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3883] <... write resumed>) = 18 executing program [pid 3882] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3883] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3882] <... clone3 resumed> => {parent_tid=[3887]}, 88) = 3887 [pid 3882] rt_sigprocmask(SIG_SETMASK, [] [pid 3883] <... futex resumed>) = 0 [pid 3882] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3882] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3882] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3883] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}ci2-android-5-15/strace-static-x86_64: Process 3884 attached [pid 3884] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3885] <... set_robust_list resumed>) = 0 [pid 3883] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3884] rt_sigprocmask(SIG_SETMASK, [] [pid 3883] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3885] rt_sigprocmask(SIG_SETMASK, [] [pid 3883] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3885] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3884] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3883] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3884] mkdirat(AT_FDCWD, "./config", 0777 [pid 3883] <... mmap resumed>) = 0x7f85c0c15000 [pid 3885] mkdirat(AT_FDCWD, "./config", 0777 [pid 3886] set_robust_list(0x7f85c0c359a0, 24 [pid 3883] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3884] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3883] <... mprotect resumed>) = 0 [pid 3885] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3884] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3883] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3885] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3883] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3885] <... futex resumed>) = 1 [pid 3884] <... futex resumed>) = 1 [pid 3883] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3880] <... futex resumed>) = 0 [pid 3879] <... futex resumed>) = 0 [pid 3884] mount(NULL, "./config", "configfs", 0, NULL [pid 3880] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3879] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3885] mount(NULL, "./config", "configfs", 0, NULL [pid 3884] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3880] <... futex resumed>) = 0 [pid 3879] <... futex resumed>) = 0 [pid 3884] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3883] <... clone3 resumed> => {parent_tid=[3888]}, 88) = 3888 [pid 3880] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3879] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3885] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3884] <... futex resumed>) = 0 [pid 3883] rt_sigprocmask(SIG_SETMASK, [] [pid 3880] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ci2-android-5-15/strace-static-x86_64: Process 3888 attached [pid 3886] <... set_robust_list resumed>) = 0 [pid 3885] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3884] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3883] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3880] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3885] <... futex resumed>) = 1 [pid 3884] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3883] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3880] <... futex resumed>) = 0 [pid 3879] <... futex resumed>) = 0 [pid 3885] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3884] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3883] <... futex resumed>) = 0 [pid 3880] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3879] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3885] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3884] <... futex resumed>) = 0 [pid 3883] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3880] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3879] <... futex resumed>) = 0 [pid 3885] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3884] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3880] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3879] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3886] rt_sigprocmask(SIG_SETMASK, [] [pid 3885] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3884] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3880] <... futex resumed>) = 0 [pid 3886] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3887 attached [pid 3885] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3884] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3880] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3887] set_robust_list(0x7f85c0c359a0, 24 [pid 3886] mkdirat(AT_FDCWD, "./config", 0777 [pid 3885] <... futex resumed>) = 1 [pid 3884] <... futex resumed>) = 0 [pid 3880] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3879] <... futex resumed>) = 0 [pid 3887] <... set_robust_list resumed>) = 0 [pid 3886] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3885] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3884] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3880] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3879] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3887] rt_sigprocmask(SIG_SETMASK, [] [pid 3886] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3885] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3884] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3880] <... futex resumed>) = 0 [pid 3879] <... futex resumed>) = 0 [pid 3887] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3886] <... futex resumed>) = 1 [pid 3885] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3884] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3881] <... futex resumed>) = 0 [pid 3880] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3879] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3888] set_robust_list(0x7f85c0c359a0, 24 [pid 3887] mkdirat(AT_FDCWD, "./config", 0777 [pid 3886] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3885] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3884] <... mkdirat resumed>) = 0 [pid 3881] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3887] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3886] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3885] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3884] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3881] <... futex resumed>) = 0 [pid 3887] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3886] mount(NULL, "./config", "configfs", 0, NULL [pid 3885] <... futex resumed>) = 1 [pid 3884] <... futex resumed>) = 1 [pid 3880] <... futex resumed>) = 0 [pid 3879] <... futex resumed>) = 0 [pid 3887] <... futex resumed>) = 1 [pid 3886] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3885] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3884] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3882] <... futex resumed>) = 0 [pid 3881] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3880] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3879] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3888] <... set_robust_list resumed>) = 0 [pid 3887] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3886] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3885] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3884] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3882] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3881] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3880] <... futex resumed>) = 0 [pid 3879] <... futex resumed>) = 0 [pid 3888] rt_sigprocmask(SIG_SETMASK, [] [pid 3887] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3886] <... futex resumed>) = 0 [pid 3885] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3884] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3882] <... futex resumed>) = 0 [pid 3881] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3880] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3879] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3888] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3887] mount(NULL, "./config", "configfs", 0, NULL [pid 3886] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3885] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3884] <... symlinkat resumed>) = 0 [pid 3882] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3881] <... futex resumed>) = 0 [pid 3887] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3886] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3885] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3884] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3881] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3888] mkdirat(AT_FDCWD, "./config", 0777 [pid 3887] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3886] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3885] <... futex resumed>) = 1 [pid 3884] <... futex resumed>) = 1 [pid 3881] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3880] <... futex resumed>) = 0 [pid 3879] <... futex resumed>) = 0 [pid 3888] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3887] <... futex resumed>) = 1 [pid 3886] <... futex resumed>) = 0 [pid 3885] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3884] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3882] <... futex resumed>) = 0 [pid 3881] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3880] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3879] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3888] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3887] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3886] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3885] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3884] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3882] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3881] <... futex resumed>) = 0 [pid 3880] <... futex resumed>) = 0 [pid 3879] <... futex resumed>) = 0 [pid 3888] <... futex resumed>) = 1 [pid 3887] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3886] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3885] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3884] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3883] <... futex resumed>) = 0 [pid 3882] <... futex resumed>) = 0 [pid 3881] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3880] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3879] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3888] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3887] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3886] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3885] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3884] <... unlinkat resumed>) = 0 [pid 3883] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3882] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3881] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3888] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3887] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3886] <... futex resumed>) = 0 [pid 3885] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3884] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3883] <... futex resumed>) = 0 [pid 3881] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3888] mount(NULL, "./config", "configfs", 0, NULL [pid 3887] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3886] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3885] <... futex resumed>) = 1 [pid 3884] <... futex resumed>) = 1 [pid 3883] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3881] <... futex resumed>) = 0 [pid 3880] <... futex resumed>) = 0 [pid 3879] <... futex resumed>) = 0 [pid 3888] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3887] <... futex resumed>) = 1 [pid 3886] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3885] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3884] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3882] <... futex resumed>) = 0 [pid 3881] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3880] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3879] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3888] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3887] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3886] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3885] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3884] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3882] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3881] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3880] <... futex resumed>) = 0 [pid 3879] <... futex resumed>) = 0 [pid 3888] <... futex resumed>) = 1 [pid 3887] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3886] <... futex resumed>) = 0 [pid 3885] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3884] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3883] <... futex resumed>) = 0 [pid 3882] <... futex resumed>) = 0 [pid 3881] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3880] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3879] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3888] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3887] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3886] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3885] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3884] <... unlinkat resumed>) = 0 [pid 3882] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3884] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3886] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3887] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3885] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3884] <... futex resumed>) = 1 [pid 3888] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3883] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3881] <... futex resumed>) = 0 [pid 3880] <... futex resumed>) = 0 [pid 3888] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3887] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3886] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3885] <... futex resumed>) = 1 [pid 3884] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3883] <... futex resumed>) = 0 [pid 3881] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3880] exit_group(0 [pid 3879] <... futex resumed>) = 0 [pid 3888] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3887] <... futex resumed>) = 1 [pid 3886] <... futex resumed>) = 0 [pid 3885] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3884] <... futex resumed>) = ? [pid 3883] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3882] <... futex resumed>) = 0 [pid 3881] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3880] <... exit_group resumed>) = ? [pid 3879] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3888] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3887] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3886] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3885] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3884] +++ exited with 0 +++ [pid 3883] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3882] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3881] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3879] <... futex resumed>) = 0 [pid 3888] <... futex resumed>) = 0 [pid 3887] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3886] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3885] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3883] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3881] <... futex resumed>) = 0 [pid 3879] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3888] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3887] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3886] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3885] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3883] <... futex resumed>) = 0 [pid 3882] <... futex resumed>) = 0 [pid 3881] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3880] +++ exited with 0 +++ [pid 3888] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3887] <... mkdirat resumed>) = 0 [pid 3882] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3887] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3886] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3885] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3888] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3883] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3880, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3888] <... futex resumed>) = 0 [pid 3887] <... futex resumed>) = 1 [pid 3886] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3885] <... futex resumed>) = 1 [pid 3883] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3882] <... futex resumed>) = 0 [pid 3879] <... futex resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3888] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3887] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3886] <... futex resumed>) = 1 [pid 3885] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3883] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3882] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3881] <... futex resumed>) = 0 [pid 3879] exit_group(0 [pid 3888] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3887] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3886] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3883] <... futex resumed>) = 0 [pid 3882] <... futex resumed>) = 0 [pid 3881] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3879] <... exit_group resumed>) = ? [pid 3888] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3887] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3886] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3885] <... futex resumed>) = ? [pid 3883] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3882] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3881] <... futex resumed>) = 0 [pid 3888] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3887] <... symlinkat resumed>) = 0 [pid 3886] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3881] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3885] +++ exited with 0 +++ [pid 3879] +++ exited with 0 +++ [pid 3886] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3888] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3887] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3888] <... futex resumed>) = 1 [pid 3886] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3883] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3879, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3887] <... futex resumed>) = 1 [pid 3882] <... futex resumed>) = 0 [pid 3888] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3887] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3886] <... futex resumed>) = 1 [pid 3883] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3882] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3881] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3888] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3887] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3886] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3883] <... futex resumed>) = 0 [pid 3882] <... futex resumed>) = 0 [pid 3881] exit_group(0 [pid 3888] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3887] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3883] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3882] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3881] <... exit_group resumed>) = ? [pid 3888] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3886] <... futex resumed>) = ? [pid 3887] <... unlinkat resumed>) = 0 [pid 3888] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3888] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3886] +++ exited with 0 +++ [pid 3881] +++ exited with 0 +++ [pid 3887] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3883] <... futex resumed>) = 0 [pid 3887] <... futex resumed>) = 1 [pid 3882] <... futex resumed>) = 0 [pid 3883] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3882] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3881, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3887] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3888] <... futex resumed>) = 0 [pid 3883] <... futex resumed>) = 1 [pid 3882] <... futex resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3888] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = -1 ENOENT (No such file or directory) [pid 3887] <... unlinkat resumed>) = 0 [pid 3883] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3882] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3888] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3887] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3883] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3882] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3888] <... futex resumed>) = 0 [pid 3887] <... futex resumed>) = 0 [pid 3883] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3888] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3887] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3883] <... futex resumed>) = 0 [pid 3882] exit_group(0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3888] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3887] <... futex resumed>) = ? [pid 3883] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3882] <... exit_group resumed>) = ? [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3888] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3887] +++ exited with 0 +++ [pid 3883] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3888] <... futex resumed>) = 0 [pid 3888] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3883] exit_group(0 [pid 3882] +++ exited with 0 +++ [pid 306] <... restart_syscall resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3889 attached [pid 3888] <... futex resumed>) = ? [pid 3883] <... exit_group resumed>) = ? [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3889 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3882, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3889] set_robust_list(0x5555810c5760, 24 [pid 3888] +++ exited with 0 +++ [pid 311] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3883] +++ exited with 0 +++ [pid 3889] <... set_robust_list resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3883, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3889] rt_sigprocmask(SIG_SETMASK, [] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3889] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 3890 attached [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3890 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3889] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3889] setpgid(0, 0) = 0 [pid 3889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3889] write(3, "1000", 4) = 4 [pid 3889] close(3) = 0 [pid 3889] write(1, "executing program\n", 18) = 18 [pid 3889] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 3889] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3889] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3890] set_robust_list(0x5555810c5760, 24 [pid 3889] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3889] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3889] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3889] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[3891]}, 88) = 3891 [pid 3890] <... set_robust_list resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3891 attached [pid 3889] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3889] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3889] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... restart_syscall resumed>) = 0 [pid 3891] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3891] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3891] mkdirat(AT_FDCWD, "./config", 0777 [pid 305] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 3891] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3891] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3889] <... futex resumed>) = 0 [pid 3891] mount(NULL, "./config", "configfs", 0, NULL [pid 3889] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3891] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3889] <... futex resumed>) = 0 [pid 3891] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3889] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3891] <... futex resumed>) = 0 [pid 3889] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3891] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3889] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3891] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3889] <... futex resumed>) = 0 [pid 3891] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3889] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3891] <... futex resumed>) = 0 [pid 3889] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3891] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3889] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3891] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3890] rt_sigprocmask(SIG_SETMASK, [] [pid 3889] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3891] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3889] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3891] <... futex resumed>) = 0 [pid 3889] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3891] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3889] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3891] <... mkdirat resumed>) = 0 [pid 3890] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3889] <... futex resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3891] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3889] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3891] <... futex resumed>) = 0 [pid 3889] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3891] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3889] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3891] <... symlinkat resumed>) = 0 [pid 3889] <... futex resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3890] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3891] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3889] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3892 [pid 3891] <... futex resumed>) = 0 [pid 3889] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3891] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3889] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3891] <... unlinkat resumed>) = 0 [pid 3889] <... futex resumed>) = 0 [pid 3891] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3889] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3891] <... futex resumed>) = 0 [pid 3889] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3891] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3889] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3893 ci2-android-5-15/strace-static-x86_64: Process 3893 attached [pid 3891] <... unlinkat resumed>) = 0 [pid 3890] <... prctl resumed>) = 0 [pid 3889] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3891] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3890] setpgid(0, 0 [pid 3889] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3894 [pid 3891] <... futex resumed>) = 0 [pid 3889] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3891] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3889] exit_group(0 [pid 3891] <... futex resumed>) = ? [pid 3889] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 3892 attached [pid 3893] set_robust_list(0x5555810c5760, 24 [pid 3891] +++ exited with 0 +++ [pid 3890] <... setpgid resumed>) = 0 [pid 3889] +++ exited with 0 +++ [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3889, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-5-15/strace-static-x86_64: Process 3894 attached [pid 3894] set_robust_list(0x5555810c5760, 24) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3890] <... openat resumed>) = 3 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3893] <... set_robust_list resumed>) = 0 [pid 3892] set_robust_list(0x5555810c5760, 24 [pid 3890] write(3, "1000", 4ci2-android-5-15/strace-static-x86_64: Process 3895 attached [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3895 [pid 3894] rt_sigprocmask(SIG_SETMASK, [] [pid 3890] <... write resumed>) = 4 [pid 3895] set_robust_list(0x5555810c5760, 24 [pid 3893] rt_sigprocmask(SIG_SETMASK, [] [pid 3892] <... set_robust_list resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3890] close(3 [pid 3893] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3894] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3894] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3890] <... close resumed>) = 0 [pid 3894] <... prctl resumed>) = 0 [pid 3890] write(1, "executing program\n", 18 [pid 3894] setpgid(0, 0) = 0 executing program [pid 3894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3890] <... write resumed>) = 18 [pid 3893] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3892] rt_sigprocmask(SIG_SETMASK, [] [pid 3895] <... set_robust_list resumed>) = 0 [pid 3894] <... openat resumed>) = 3 [pid 3893] <... prctl resumed>) = 0 [pid 3892] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3890] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3894] write(3, "1000", 4) = 4 [pid 3894] close(3) = 0 [pid 3890] <... futex resumed>) = 0 [pid 3894] write(1, "executing program\n", 18) = 18 [pid 3894] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 3890] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3894] <... futex resumed>) = 0 [pid 3894] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3890] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3894] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3890] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3894] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3890] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3894] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3890] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3894] <... mmap resumed>) = 0x7f85c0c15000 [pid 3890] <... mmap resumed>) = 0x7f85c0c15000 [pid 3894] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3890] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3894] <... mprotect resumed>) = 0 [pid 3890] <... mprotect resumed>) = 0 [pid 3894] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3890] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3894] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3890] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3894] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3893] setpgid(0, 0 [pid 3890] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3894] <... clone3 resumed> => {parent_tid=[3896]}, 88) = 3896 [pid 3893] <... setpgid resumed>) = 0 [pid 3894] rt_sigprocmask(SIG_SETMASK, [] [pid 3890] <... clone3 resumed> => {parent_tid=[3897]}, 88) = 3897 [pid 3893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3890] rt_sigprocmask(SIG_SETMASK, [] [pid 3894] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3890] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3894] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3890] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3894] <... futex resumed>) = 0 [pid 3893] <... openat resumed>) = 3 [pid 3890] <... futex resumed>) = 0 [pid 3892] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3893] write(3, "1000", 4 [pid 3890] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3892] <... prctl resumed>) = 0 [pid 3893] <... write resumed>) = 4 [pid 3892] setpgid(0, 0 [pid 3894] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3897 attached [pid 3897] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3897] rt_sigprocmask(SIG_SETMASK, [] [pid 3893] close(3 [pid 3892] <... setpgid resumed>) = 0 [pid 3897] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3897] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3893] <... close resumed>) = 0 [pid 3892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3897] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3890] <... futex resumed>) = 0 [pid 3893] write(1, "executing program\n", 18 [pid 3890] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3897] mount(NULL, "./config", "configfs", 0, NULL [pid 3893] <... write resumed>) = 18 [pid 3890] <... futex resumed>) = 0 executing program [pid 3892] <... openat resumed>) = 3 [pid 3890] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3893] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3892] write(3, "1000", 4 [pid 3897] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3893] <... futex resumed>) = 0 [pid 3892] <... write resumed>) = 4 [pid 3895] rt_sigprocmask(SIG_SETMASK, [] [pid 3893] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3892] close(3 [pid 3897] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3890] <... futex resumed>) = 0 [pid 3893] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3892] <... close resumed>) = 0 [pid 3890] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3897] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3893] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3892] write(1, "executing program\n", 18 [pid 3890] <... futex resumed>) = 0 [pid 3897] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3893] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3892] <... write resumed>) = 18 executing program [pid 3890] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3897] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3893] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3892] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3897] <... futex resumed>) = 1 [pid 3890] <... futex resumed>) = 0 [pid 3893] <... mmap resumed>) = 0x7f85c0c15000 [pid 3892] <... futex resumed>) = 0 [pid 3890] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3897] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3893] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3890] <... futex resumed>) = 0 [pid 3892] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3890] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3893] <... mprotect resumed>) = 0 [pid 3892] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3897] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3893] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3892] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3893] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3897] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3893] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3892] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3897] <... futex resumed>) = 1 [pid 3890] <... futex resumed>) = 0 [pid 3892] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3890] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3892] <... mmap resumed>) = 0x7f85c0c15000 [pid 3890] <... futex resumed>) = 0 [pid 3893] <... clone3 resumed> => {parent_tid=[3898]}, 88) = 3898 [pid 3892] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3890] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3893] rt_sigprocmask(SIG_SETMASK, [] [pid 3892] <... mprotect resumed>) = 0 [pid 3893] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3897] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3893] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3892] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3893] <... futex resumed>) = 0 [pid 3892] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3893] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3892] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3897] <... mkdirat resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3898 attached [pid 3897] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3895] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3892] <... clone3 resumed> => {parent_tid=[3899]}, 88) = 3899 [pid 3892] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3892] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3895] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3892] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3899 attached [pid 3895] <... prctl resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3896 attached [pid 3899] set_robust_list(0x7f85c0c359a0, 24 [pid 3896] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3899] <... set_robust_list resumed>) = 0 [pid 3896] rt_sigprocmask(SIG_SETMASK, [] [pid 3899] rt_sigprocmask(SIG_SETMASK, [] [pid 3896] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3899] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3898] set_robust_list(0x7f85c0c359a0, 24 [pid 3897] <... futex resumed>) = 1 [pid 3895] setpgid(0, 0 [pid 3890] <... futex resumed>) = 0 [pid 3895] <... setpgid resumed>) = 0 [pid 3890] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3890] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3899] mkdirat(AT_FDCWD, "./config", 0777 [pid 3895] <... openat resumed>) = 3 [pid 3896] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3898] <... set_robust_list resumed>) = 0 [pid 3897] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3895] write(3, "1000", 4 [pid 3896] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3899] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3899] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3892] <... futex resumed>) = 0 [pid 3892] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3892] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3899] <... futex resumed>) = 1 [pid 3899] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3895] <... write resumed>) = 4 [pid 3897] <... symlinkat resumed>) = 0 [pid 3895] close(3 [pid 3899] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3892] <... futex resumed>) = 0 [pid 3892] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3892] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3899] <... futex resumed>) = 1 [pid 3899] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3897] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3895] <... close resumed>) = 0 [pid 3899] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 3895] write(1, "executing program\n", 18 [pid 3897] <... futex resumed>) = 1 [pid 3890] <... futex resumed>) = 0 [pid 3895] <... write resumed>) = 18 [pid 3897] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3890] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3895] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3890] <... futex resumed>) = 0 [pid 3897] <... unlinkat resumed>) = 0 [pid 3895] <... futex resumed>) = 0 [pid 3897] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3890] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3895] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3899] <... futex resumed>) = 1 [pid 3898] rt_sigprocmask(SIG_SETMASK, [] [pid 3897] <... futex resumed>) = 0 [pid 3896] <... futex resumed>) = 1 [pid 3895] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3894] <... futex resumed>) = 0 [pid 3892] <... futex resumed>) = 0 [pid 3890] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3899] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3898] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3897] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3896] mount(NULL, "./config", "configfs", 0, NULL [pid 3895] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3894] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3892] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3890] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3899] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3898] mkdirat(AT_FDCWD, "./config", 0777 [pid 3897] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3896] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3895] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3894] <... futex resumed>) = 0 [pid 3892] <... futex resumed>) = 0 [pid 3890] <... futex resumed>) = 0 [pid 3899] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3898] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3897] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3896] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3895] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3894] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3892] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3890] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3899] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3898] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3897] <... unlinkat resumed>) = 0 [pid 3896] <... futex resumed>) = 0 [pid 3895] <... mmap resumed>) = 0x7f85c0c15000 [pid 3894] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3899] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3898] <... futex resumed>) = 1 [pid 3897] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3896] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3895] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3894] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3893] <... futex resumed>) = 0 [pid 3899] <... futex resumed>) = 1 [pid 3898] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3897] <... futex resumed>) = 1 [pid 3895] <... mprotect resumed>) = 0 [pid 3896] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3894] <... futex resumed>) = 0 [pid 3893] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3892] <... futex resumed>) = 0 [pid 3890] <... futex resumed>) = 0 [pid 3899] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3898] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3897] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3896] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3895] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3894] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3893] <... futex resumed>) = 0 [pid 3892] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3890] exit_group(0 [pid 3899] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3898] mount(NULL, "./config", "configfs", 0, NULL [pid 3896] <... futex resumed>) = 0 [pid 3895] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3894] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3893] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3897] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 3892] <... futex resumed>) = 0 [pid 3899] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3898] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3897] +++ exited with 0 +++ [pid 3895] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3894] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3892] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3890] <... exit_group resumed>) = ? [pid 3896] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3894] <... futex resumed>) = 0 [pid 3894] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3900 attached [pid 3900] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3890] +++ exited with 0 +++ [pid 3899] <... mkdirat resumed>) = 0 [pid 3895] <... clone3 resumed> => {parent_tid=[3900]}, 88) = 3900 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3890, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3898] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3899] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3896] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3895] rt_sigprocmask(SIG_SETMASK, [] [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3900] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3900] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3899] <... futex resumed>) = 1 [pid 3898] <... futex resumed>) = 1 [pid 3896] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3895] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3893] <... futex resumed>) = 0 [pid 3892] <... futex resumed>) = 0 [pid 3899] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3895] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3893] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3892] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3899] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3895] <... futex resumed>) = 0 [pid 3893] <... futex resumed>) = 0 [pid 3892] <... futex resumed>) = 0 [pid 3899] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3895] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3893] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3892] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3900] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3899] <... symlinkat resumed>) = 0 [pid 3900] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3900] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3899] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3898] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3899] <... futex resumed>) = 1 [pid 3896] <... futex resumed>) = 1 [pid 3894] <... futex resumed>) = 0 [pid 3892] <... futex resumed>) = 0 [pid 3894] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3892] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3899] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3898] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3896] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3894] <... futex resumed>) = 0 [pid 3892] <... futex resumed>) = 0 [pid 3894] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3892] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3899] <... unlinkat resumed>) = 0 [pid 3898] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3896] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3900] <... futex resumed>) = 1 [pid 3895] <... futex resumed>) = 0 [pid 3899] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3898] <... futex resumed>) = 1 [pid 3896] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3895] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3893] <... futex resumed>) = 0 [pid 3899] <... futex resumed>) = 1 [pid 3898] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3895] <... futex resumed>) = 0 [pid 3893] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3896] <... futex resumed>) = 1 [pid 3894] <... futex resumed>) = 0 [pid 3892] <... futex resumed>) = 0 [pid 3899] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3898] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3896] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3895] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3894] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3893] <... futex resumed>) = 0 [pid 3892] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... restart_syscall resumed>) = 0 [pid 3899] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3898] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3896] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3894] <... futex resumed>) = 0 [pid 3893] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3892] <... futex resumed>) = 0 [pid 3899] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3898] <... futex resumed>) = 0 [pid 3896] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3894] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3893] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3892] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3900] mount(NULL, "./config", "configfs", 0, NULL [pid 3899] <... unlinkat resumed>) = 0 [pid 3898] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3893] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3900] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3899] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3898] <... mkdirat resumed>) = 0 [pid 3896] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3893] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3900] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3899] <... futex resumed>) = 1 [pid 3898] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3896] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3893] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3892] <... futex resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 3901 attached [pid 3900] <... futex resumed>) = 1 [pid 3899] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3898] <... futex resumed>) = 0 [pid 3896] <... futex resumed>) = 1 [pid 3895] <... futex resumed>) = 0 [pid 3894] <... futex resumed>) = 0 [pid 3893] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3892] exit_group(0 [pid 3900] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3899] <... futex resumed>) = ? [pid 3898] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3896] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3895] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3894] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3893] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3892] <... exit_group resumed>) = ? [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3901 [pid 3901] set_robust_list(0x5555810c5760, 24 [pid 3900] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3899] +++ exited with 0 +++ [pid 3898] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3896] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3895] <... futex resumed>) = 0 [pid 3894] <... futex resumed>) = 0 [pid 3893] <... futex resumed>) = 0 [pid 3892] +++ exited with 0 +++ [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3900] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3898] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3896] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3895] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3894] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3893] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3892, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3900] <... futex resumed>) = 0 [pid 3898] <... symlinkat resumed>) = 0 [pid 3896] <... unlinkat resumed>) = 0 [pid 3895] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3898] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3896] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3895] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3900] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3898] <... futex resumed>) = 1 [pid 3896] <... futex resumed>) = 1 [pid 3895] <... futex resumed>) = 0 [pid 3894] <... futex resumed>) = 0 [pid 3893] <... futex resumed>) = 0 [pid 3901] <... set_robust_list resumed>) = 0 [pid 3900] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3898] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3896] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3894] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3900] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3894] <... futex resumed>) = 0 [pid 3900] <... futex resumed>) = 0 [pid 3898] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3896] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3895] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3894] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3893] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3900] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3898] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3896] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3895] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3898] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3893] <... futex resumed>) = 0 [pid 3898] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3896] <... unlinkat resumed>) = 0 [pid 3895] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3893] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3900] <... futex resumed>) = 0 [pid 3898] <... futex resumed>) = 0 [pid 3896] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3895] <... futex resumed>) = 1 [pid 3893] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3900] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3898] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3896] <... futex resumed>) = 1 [pid 3895] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3894] <... futex resumed>) = 0 [pid 3893] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3901] rt_sigprocmask(SIG_SETMASK, [] [pid 3900] <... mkdirat resumed>) = 0 [pid 3898] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3896] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3894] exit_group(0 [pid 3893] <... futex resumed>) = 0 [pid 3900] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3898] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3896] <... futex resumed>) = ? [pid 3894] <... exit_group resumed>) = ? [pid 3893] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3901] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3900] <... futex resumed>) = 1 [pid 3898] <... unlinkat resumed>) = 0 [pid 3896] +++ exited with 0 +++ [pid 3895] <... futex resumed>) = 0 [pid 3894] +++ exited with 0 +++ [pid 312] <... restart_syscall resumed>) = 0 [pid 3900] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3898] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3895] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3894, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3900] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3898] <... futex resumed>) = 1 [pid 3893] <... futex resumed>) = 0 [pid 3900] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3898] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3895] <... futex resumed>) = 0 [pid 3893] exit_group(0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3900] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3895] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3893] <... exit_group resumed>) = ? [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... restart_syscall resumed>) = 0 [pid 3900] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3898] <... futex resumed>) = ? [pid 3895] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3900] <... futex resumed>) = 0 [pid 3900] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3898] +++ exited with 0 +++ [pid 3893] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3893, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3895] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3900] <... futex resumed>) = 0 [pid 3895] <... futex resumed>) = 1 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3900] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3895] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3902 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3900] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3900] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3900] <... futex resumed>) = 1 [pid 3900] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 3902 attached [pid 3902] set_robust_list(0x5555810c5760, 24 [pid 3895] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3895] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3900] <... futex resumed>) = 0 [pid 3895] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3900] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3903 [pid 3902] <... set_robust_list resumed>) = 0 [pid 3901] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3900] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3901] <... prctl resumed>) = 0 [pid 3900] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3902] rt_sigprocmask(SIG_SETMASK, [] [pid 3901] setpgid(0, 0 [pid 3900] <... futex resumed>) = 1 [pid 3895] <... futex resumed>) = 0 [pid 3901] <... setpgid resumed>) = 0 [pid 3900] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3895] exit_group(0 [pid 3902] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3900] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 3895] <... exit_group resumed>) = ? [pid 3901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3900] +++ exited with 0 +++ [pid 3902] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3902] setpgid(0, 0) = 0 [pid 3902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3895] +++ exited with 0 +++ [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3895, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3901] <... openat resumed>) = 3 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3902] write(3, "1000", 4) = 4 [pid 3902] close(3) = 0 [pid 3901] write(3, "1000", 4 [pid 3902] write(1, "executing program\n", 18ci2-android-5-15/strace-static-x86_64: Process 3903 attached [pid 3903] set_robust_list(0x5555810c5760, 24) = 0 executing program [pid 3903] rt_sigprocmask(SIG_SETMASK, [] [pid 3902] <... write resumed>) = 18 [pid 3901] <... write resumed>) = 4 [pid 3903] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3902] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3901] close(3 [pid 3903] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3902] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3901] <... close resumed>) = 0 [pid 3902] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3901] write(1, "executing program\n", 18 [pid 3902] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3902] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3901] <... write resumed>) = 18 [pid 3902] <... mmap resumed>) = 0x7f85c0c15000 [pid 3901] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 3902] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3903] <... prctl resumed>) = 0 [pid 3902] <... mprotect resumed>) = 0 [pid 3901] <... futex resumed>) = 0 [pid 3903] setpgid(0, 0 [pid 3902] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3901] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3902] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3903] <... setpgid resumed>) = 0 [pid 3903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3901] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3902] <... clone3 resumed> => {parent_tid=[3904]}, 88) = 3904 [pid 3903] <... openat resumed>) = 3 [pid 3902] rt_sigprocmask(SIG_SETMASK, [] [pid 3901] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3902] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3903] write(3, "1000", 4 [pid 3902] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3901] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3902] <... futex resumed>) = 0 [pid 3903] <... write resumed>) = 4 [pid 3901] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3902] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3904 attached [pid 3903] close(3 [pid 3901] <... mmap resumed>) = 0x7f85c0c15000 [pid 3903] <... close resumed>) = 0 [pid 3901] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3903] write(1, "executing program\n", 18 [pid 3901] <... mprotect resumed>) = 0 [pid 3903] <... write resumed>) = 18 [pid 3903] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3901] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3903] <... futex resumed>) = 0 executing program [pid 3901] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3903] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3901] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3903] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3903] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3901] <... clone3 resumed> => {parent_tid=[3905]}, 88) = 3905 [pid 3903] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3901] rt_sigprocmask(SIG_SETMASK, [] [pid 3903] <... mmap resumed>) = 0x7f85c0c15000 [pid 3901] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3903] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3901] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3903] <... mprotect resumed>) = 0 [pid 3901] <... futex resumed>) = 0 [pid 3903] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3901] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3903] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3903] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0}ci2-android-5-15/strace-static-x86_64: Process 3906 attached ci2-android-5-15/strace-static-x86_64: Process 3905 attached => {parent_tid=[3906]}, 88) = 3906 [pid 3905] set_robust_list(0x7f85c0c359a0, 24 [pid 3903] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3903] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3903] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3905] <... set_robust_list resumed>) = 0 [pid 3904] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3904] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3905] rt_sigprocmask(SIG_SETMASK, [] [pid 3904] mkdirat(AT_FDCWD, "./config", 0777 [pid 3906] set_robust_list(0x7f85c0c359a0, 24 [pid 3904] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3904] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3904] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3906] <... set_robust_list resumed>) = 0 [pid 3905] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3902] <... futex resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 3906] rt_sigprocmask(SIG_SETMASK, [] [pid 3905] mkdirat(AT_FDCWD, "./config", 0777 [pid 3902] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3904] <... futex resumed>) = 0 [pid 3902] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3904] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3906] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3905] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3904] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... restart_syscall resumed>) = 0 [pid 3906] mkdirat(AT_FDCWD, "./config", 0777 [pid 3905] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3905] <... futex resumed>) = 1 [pid 3901] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3905] mount(NULL, "./config", "configfs", 0, NULL [pid 3901] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3901] <... futex resumed>) = 0 [pid 3905] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3901] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3908 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3907 [pid 3905] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3901] <... futex resumed>) = 0 [pid 3905] <... futex resumed>) = 1 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3901] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3905] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3901] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3901] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3905] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3905] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3904] <... futex resumed>) = 1 [pid 3902] <... futex resumed>) = 0 [pid 3904] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3902] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3901] <... futex resumed>) = 0 [pid 3905] <... futex resumed>) = 1 [pid 3902] <... futex resumed>) = 0 [pid 3901] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3905] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3904] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3902] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3901] <... futex resumed>) = 0 [pid 3904] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3901] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3905] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3904] <... futex resumed>) = 1 [pid 3905] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3902] <... futex resumed>) = 0 [pid 3904] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3902] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3901] <... futex resumed>) = 0 [pid 3905] <... futex resumed>) = 1 [pid 3902] <... futex resumed>) = 0 [pid 3901] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3905] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3902] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3901] <... futex resumed>) = 0 [pid 3904] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3901] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3904] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3902] <... futex resumed>) = 0 [pid 3905] <... mkdirat resumed>) = 0 [pid 3902] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3904] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3902] <... futex resumed>) = 0 [pid 3905] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3902] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3905] <... futex resumed>) = 1 [pid 3904] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3901] <... futex resumed>) = 0 [pid 3901] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3905] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3901] <... futex resumed>) = 0 [pid 3901] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3904] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3905] <... symlinkat resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3907 attached [pid 3905] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3904] <... futex resumed>) = 1 [pid 3902] <... futex resumed>) = 0 [pid 3907] set_robust_list(0x5555810c5760, 24 [pid 3905] <... futex resumed>) = 1 [pid 3904] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3902] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3901] <... futex resumed>) = 0 [pid 3905] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3902] <... futex resumed>) = 0 [pid 3901] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3905] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3902] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3901] <... futex resumed>) = 0 [pid 3905] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3901] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3907] <... set_robust_list resumed>) = 0 [pid 3906] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3905] <... unlinkat resumed>) = 0 [pid 3904] <... symlinkat resumed>) = 0 [pid 3907] rt_sigprocmask(SIG_SETMASK, [] [pid 3905] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3904] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3908 attached [pid 3907] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3905] <... futex resumed>) = 1 [pid 3904] <... futex resumed>) = 1 [pid 3902] <... futex resumed>) = 0 [pid 3901] <... futex resumed>) = 0 [pid 3908] set_robust_list(0x5555810c5760, 24 [pid 3907] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3906] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3905] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3904] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3902] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3908] <... set_robust_list resumed>) = 0 [pid 3907] <... prctl resumed>) = 0 [pid 3905] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3904] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3902] <... futex resumed>) = 0 [pid 3901] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3908] rt_sigprocmask(SIG_SETMASK, [] [pid 3907] setpgid(0, 0 [pid 3906] <... futex resumed>) = 1 [pid 3905] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3904] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3903] <... futex resumed>) = 0 [pid 3902] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3901] <... futex resumed>) = 0 [pid 3908] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3907] <... setpgid resumed>) = 0 [pid 3905] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3904] <... unlinkat resumed>) = 0 [pid 3903] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3901] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3908] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3906] mount(NULL, "./config", "configfs", 0, NULL [pid 3905] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3904] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3903] <... futex resumed>) = 0 [pid 3901] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3908] <... prctl resumed>) = 0 [pid 3905] <... futex resumed>) = 0 [pid 3904] <... futex resumed>) = 1 [pid 3903] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3902] <... futex resumed>) = 0 [pid 3901] exit_group(0 [pid 3908] setpgid(0, 0 [pid 3907] <... openat resumed>) = 3 [pid 3906] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3904] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3902] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3905] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3901] <... exit_group resumed>) = ? [pid 3905] <... futex resumed>) = ? [pid 3908] <... setpgid resumed>) = 0 [pid 3907] write(3, "1000", 4 [pid 3906] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3904] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3902] <... futex resumed>) = 0 [pid 3908] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3904] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3902] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3908] <... openat resumed>) = 3 [pid 3904] <... unlinkat resumed>) = 0 [pid 3908] write(3, "1000", 4 [pid 3905] +++ exited with 0 +++ [pid 3904] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3901] +++ exited with 0 +++ [pid 3908] <... write resumed>) = 4 [pid 3907] <... write resumed>) = 4 [pid 3906] <... futex resumed>) = 1 [pid 3904] <... futex resumed>) = 1 [pid 3903] <... futex resumed>) = 0 [pid 3902] <... futex resumed>) = 0 [pid 3908] close(3 [pid 3904] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3903] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3908] <... close resumed>) = 0 [pid 3907] close(3 [pid 3906] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3903] <... futex resumed>) = 0 [pid 3902] exit_group(0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3901, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3908] write(1, "executing program\n", 18 [pid 3907] <... close resumed>) = 0 [pid 3906] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 3904] <... futex resumed>) = ? [pid 3903] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3902] <... exit_group resumed>) = ? [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3908] <... write resumed>) = 18 [pid 3907] write(1, "executing program\n", 18 [pid 3906] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3904] +++ exited with 0 +++ [pid 3903] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3903] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3903] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3902] +++ exited with 0 +++ [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3902, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 3908] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3907] <... write resumed>) = 18 [pid 3906] <... futex resumed>) = 1 [pid 3903] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3908] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3907] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3906] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3903] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=49000000} [pid 3908] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3907] <... futex resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 3908] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3907] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3908] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3907] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3906] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3908] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3907] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3908] <... mmap resumed>) = 0x7f85c0c15000 [pid 3907] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3906] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3908] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3907] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3906] <... futex resumed>) = 1 [pid 3903] <... futex resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3908] <... mprotect resumed>) = 0 [pid 3907] <... mmap resumed>) = 0x7f85c0c15000 [pid 3906] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3903] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3903] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3909 attached [pid 3908] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3907] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3906] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3909 [pid 3908] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3909] set_robust_list(0x5555810c5760, 24) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3908] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3907] <... mprotect resumed>) = 0 [pid 3906] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3909] rt_sigprocmask(SIG_SETMASK, [] [pid 3908] <... clone3 resumed> => {parent_tid=[3910]}, 88) = 3910 [pid 3907] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3908] rt_sigprocmask(SIG_SETMASK, [] [pid 3906] <... mkdirat resumed>) = 0 [pid 3907] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3908] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3907] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3908] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3906] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3909] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3908] <... futex resumed>) = 0 [pid 3907] <... clone3 resumed> => {parent_tid=[3911]}, 88) = 3911 [pid 3906] <... futex resumed>) = 1 [pid 3903] <... futex resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 3908] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3907] rt_sigprocmask(SIG_SETMASK, [] [pid 3906] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3903] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3907] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3906] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3903] <... futex resumed>) = 0 [pid 3907] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3903] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3906] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3907] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3909] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3907] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3906] <... symlinkat resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3906] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3909] <... prctl resumed>) = 0 [pid 3909] setpgid(0, 0) = 0 [pid 3909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3906] <... futex resumed>) = 1 [pid 3903] <... futex resumed>) = 0 [pid 3906] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3903] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3912 [pid 3906] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3903] <... futex resumed>) = 0 [pid 3906] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3903] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 3911 attached [pid 3909] <... openat resumed>) = 3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 3909] write(3, "1000", 4 [pid 3906] <... unlinkat resumed>) = 0 [pid 3906] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3909] <... write resumed>) = 4 [pid 3906] <... futex resumed>) = 1 [pid 3903] <... futex resumed>) = 0 [pid 3909] close(3 [pid 3906] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3903] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3909] <... close resumed>) = 0 [pid 3906] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3903] <... futex resumed>) = 0 [pid 3909] write(1, "executing program\n", 18 [pid 3906] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3903] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3909] <... write resumed>) = 18 [pid 3909] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3906] <... unlinkat resumed>) = 0 [pid 3909] <... futex resumed>) = 0 [pid 3906] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3909] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3906] <... futex resumed>) = 1 [pid 3903] <... futex resumed>) = 0 [pid 3909] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3906] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3903] exit_group(0 [pid 3909] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3906] <... futex resumed>) = ? [pid 3903] <... exit_group resumed>) = ? [pid 3911] set_robust_list(0x7f85c0c359a0, 24 [pid 3909] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3906] +++ exited with 0 +++ [pid 3903] +++ exited with 0 +++ [pid 3909] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3903, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3909] <... mmap resumed>) = 0x7f85c0c15000 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3909] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3909] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3911] <... set_robust_list resumed>) = 0 [pid 3909] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3912 attached [pid 3912] set_robust_list(0x5555810c5760, 24) = 0 [pid 3911] rt_sigprocmask(SIG_SETMASK, [] [pid 3909] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3912] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3912] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3911] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3909] <... clone3 resumed> => {parent_tid=[3913]}, 88) = 3913 [pid 3912] <... prctl resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3910 attached [pid 3910] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3910] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3912] setpgid(0, 0 [pid 3911] mkdirat(AT_FDCWD, "./config", 0777 [pid 3909] rt_sigprocmask(SIG_SETMASK, [] [pid 3912] <... setpgid resumed>) = 0 [pid 3910] mkdirat(AT_FDCWD, "./config", 0777 [pid 3911] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3909] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3913 attached [pid 3913] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3909] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3913] rt_sigprocmask(SIG_SETMASK, [] [pid 3912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3911] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3909] <... futex resumed>) = 0 [pid 3910] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3913] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3913] mkdirat(AT_FDCWD, "./config", 0777 [pid 3912] <... openat resumed>) = 3 [pid 3911] <... futex resumed>) = 1 [pid 3910] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3909] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3907] <... futex resumed>) = 0 [pid 3912] write(3, "1000", 4 [pid 3911] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3907] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3910] <... futex resumed>) = 1 [pid 3908] <... futex resumed>) = 0 [pid 3907] <... futex resumed>) = 0 [pid 3912] <... write resumed>) = 4 [pid 3911] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3910] mount(NULL, "./config", "configfs", 0, NULL [pid 3908] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3907] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3912] close(3 [pid 3911] mount(NULL, "./config", "configfs", 0, NULL [pid 3908] <... futex resumed>) = 0 [pid 3912] <... close resumed>) = 0 [pid 3910] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3908] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3912] write(1, "executing program\n", 18 [pid 3911] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3910] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3913] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 3913] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3912] <... write resumed>) = 18 [pid 3911] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3910] <... futex resumed>) = 1 [pid 3909] <... futex resumed>) = 0 [pid 3908] <... futex resumed>) = 0 [pid 3911] <... futex resumed>) = 1 [pid 3909] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3908] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3907] <... futex resumed>) = 0 [pid 3912] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3911] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3910] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3908] <... futex resumed>) = 0 [pid 3907] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3912] <... futex resumed>) = 0 [pid 3911] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3910] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3909] <... futex resumed>) = 0 [pid 3908] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3907] <... futex resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 3912] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3911] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3910] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3909] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3907] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3912] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3911] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3910] <... futex resumed>) = 1 [pid 3908] <... futex resumed>) = 0 [pid 3912] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3911] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3910] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3908] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3912] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3911] <... futex resumed>) = 1 [pid 3910] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3908] <... futex resumed>) = 0 [pid 3907] <... futex resumed>) = 0 [pid 3912] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3911] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3910] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3908] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3907] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3912] <... mmap resumed>) = 0x7f85c0c15000 [pid 3911] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3910] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3907] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3912] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3911] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3910] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3907] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3912] <... mprotect resumed>) = 0 [pid 3911] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3910] <... futex resumed>) = 1 [pid 3908] <... futex resumed>) = 0 [pid 3913] <... futex resumed>) = 1 [pid 3913] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3913] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3909] <... futex resumed>) = 0 [pid 3908] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3911] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3913] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3912] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3910] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3911] <... futex resumed>) = 1 [pid 3909] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3908] <... futex resumed>) = 0 [pid 3907] <... futex resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3914 [pid 3913] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3912] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3911] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3909] <... futex resumed>) = 0 [pid 3908] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3907] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3913] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3912] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3911] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3910] <... mkdirat resumed>) = 0 [pid 3909] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3907] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3913] <... futex resumed>) = 0 [pid 3911] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3910] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3909] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3907] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3913] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3912] <... clone3 resumed> => {parent_tid=[3915]}, 88) = 3915 [pid 3911] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3910] <... futex resumed>) = 1 [pid 3909] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3908] <... futex resumed>) = 0 [pid 3913] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3912] rt_sigprocmask(SIG_SETMASK, [] [pid 3911] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3910] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3909] <... futex resumed>) = 0 [pid 3908] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3913] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3912] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3911] <... futex resumed>) = 1 [pid 3910] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3909] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3908] <... futex resumed>) = 0 [pid 3907] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3914 attached [pid 3913] <... futex resumed>) = 0 [pid 3912] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3911] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3910] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3909] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3908] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3907] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3914] set_robust_list(0x5555810c5760, 24 [pid 3913] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3912] <... futex resumed>) = 0 [pid 3911] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3910] <... symlinkat resumed>) = 0 [pid 3909] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3907] <... futex resumed>) = 0 [pid 3914] <... set_robust_list resumed>) = 0 [pid 3913] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3912] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3911] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3910] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3909] <... futex resumed>) = 0 [pid 3907] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3914] rt_sigprocmask(SIG_SETMASK, [] [pid 3913] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3911] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3910] <... futex resumed>) = 1 [pid 3909] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3908] <... futex resumed>) = 0 [pid 3914] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3913] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3911] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3910] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3908] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3913] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3911] <... futex resumed>) = 1 [pid 3910] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3908] <... futex resumed>) = 0 [pid 3907] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3915 attached [pid 3914] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3913] <... futex resumed>) = 1 [pid 3911] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3910] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3909] <... futex resumed>) = 0 [pid 3908] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3907] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3915] set_robust_list(0x7f85c0c359a0, 24 [pid 3914] <... prctl resumed>) = 0 [pid 3913] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3911] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3910] <... unlinkat resumed>) = 0 [pid 3909] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3907] <... futex resumed>) = 0 [pid 3915] <... set_robust_list resumed>) = 0 [pid 3914] setpgid(0, 0 [pid 3913] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3911] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3910] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3909] <... futex resumed>) = 0 [pid 3907] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3915] rt_sigprocmask(SIG_SETMASK, [] [pid 3914] <... setpgid resumed>) = 0 [pid 3913] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3911] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3910] <... futex resumed>) = 1 [pid 3909] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3908] <... futex resumed>) = 0 [pid 3915] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3913] <... symlinkat resumed>) = 0 [pid 3911] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3910] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3913] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3911] <... futex resumed>) = 1 [pid 3910] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3908] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3907] <... futex resumed>) = 0 [pid 3915] mkdirat(AT_FDCWD, "./config", 0777 [pid 3914] <... openat resumed>) = 3 [pid 3913] <... futex resumed>) = 1 [pid 3911] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3910] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3909] <... futex resumed>) = 0 [pid 3908] <... futex resumed>) = 0 [pid 3907] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3915] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3914] write(3, "1000", 4 [pid 3913] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3911] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3910] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3909] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3908] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3907] <... futex resumed>) = 0 [pid 3915] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3914] <... write resumed>) = 4 [pid 3913] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3911] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3910] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3909] <... futex resumed>) = 0 [pid 3908] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3907] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3915] <... futex resumed>) = 1 [pid 3914] close(3 [pid 3913] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3912] <... futex resumed>) = 0 [pid 3911] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3910] <... futex resumed>) = 0 [pid 3909] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3908] exit_group(0 [pid 3915] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3914] <... close resumed>) = 0 [pid 3913] <... unlinkat resumed>) = 0 [pid 3912] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3911] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3910] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3915] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3914] write(1, "executing program\n", 18 executing program [pid 3913] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3912] <... futex resumed>) = 0 [pid 3911] <... futex resumed>) = 1 [pid 3908] <... exit_group resumed>) = ? [pid 3907] <... futex resumed>) = 0 [pid 3915] mount(NULL, "./config", "configfs", 0, NULL [pid 3914] <... write resumed>) = 18 [pid 3913] <... futex resumed>) = 1 [pid 3912] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3911] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3910] +++ exited with 0 +++ [pid 3909] <... futex resumed>) = 0 [pid 3915] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3909] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3907] exit_group(0 [pid 3915] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3909] <... futex resumed>) = 0 [pid 3915] <... futex resumed>) = 1 [pid 3912] <... futex resumed>) = 0 [pid 3909] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3908] +++ exited with 0 +++ [pid 3915] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3914] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3913] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3912] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3911] <... futex resumed>) = ? [pid 3907] <... exit_group resumed>) = ? [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3908, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3915] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3914] <... futex resumed>) = 0 [pid 3913] <... unlinkat resumed>) = 0 [pid 3912] <... futex resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3911] +++ exited with 0 +++ [pid 3915] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3912] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... restart_syscall resumed>) = 0 [pid 3915] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3915] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3912] <... futex resumed>) = 0 [pid 3907] +++ exited with 0 +++ [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3915] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3914] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3913] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3912] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3915] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3914] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3913] <... futex resumed>) = 1 [pid 3912] <... futex resumed>) = 0 [pid 3909] <... futex resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3907, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3915] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3914] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3913] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3912] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3909] exit_group(0 [pid 3915] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3914] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3909] <... exit_group resumed>) = ? [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3916 [pid 3913] <... futex resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 3916 attached [pid 3915] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3914] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3915] <... futex resumed>) = 1 [pid 3912] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3915] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3912] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3915] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3912] <... futex resumed>) = 0 [pid 3915] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3913] +++ exited with 0 +++ [pid 3912] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3909] +++ exited with 0 +++ [pid 3915] <... mkdirat resumed>) = 0 [pid 3914] <... mmap resumed>) = 0x7f85c0c15000 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3909, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3915] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3914] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3915] <... futex resumed>) = 1 [pid 3914] <... mprotect resumed>) = 0 [pid 3912] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3915] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3914] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3912] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3915] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3914] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3912] <... futex resumed>) = 0 [pid 3915] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3912] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3915] <... symlinkat resumed>) = 0 [pid 3915] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3914] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3917 [pid 3915] <... futex resumed>) = 1 [pid 3912] <... futex resumed>) = 0 [pid 3915] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3912] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3915] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3914] <... clone3 resumed> => {parent_tid=[3918]}, 88) = 3918 [pid 3912] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3915] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3914] rt_sigprocmask(SIG_SETMASK, [] [pid 3912] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3915] <... unlinkat resumed>) = 0 [pid 3914] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3917 attached [pid 3915] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3914] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3915] <... futex resumed>) = 1 [pid 3914] <... futex resumed>) = 0 [pid 3912] <... futex resumed>) = 0 [pid 3915] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3914] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3912] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3915] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3912] <... futex resumed>) = 0 [pid 3915] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3912] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3918 attached [pid 3916] set_robust_list(0x5555810c5760, 24 [pid 3915] <... unlinkat resumed>) = 0 [pid 3915] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3912] <... futex resumed>) = 0 [pid 3915] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3912] exit_group(0 [pid 3915] <... futex resumed>) = ? [pid 3912] <... exit_group resumed>) = ? [pid 3918] set_robust_list(0x7f85c0c359a0, 24 [pid 3916] <... set_robust_list resumed>) = 0 [pid 3915] +++ exited with 0 +++ [pid 3912] +++ exited with 0 +++ [pid 3917] set_robust_list(0x5555810c5760, 24 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3912, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3917] <... set_robust_list resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3917] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3917] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3918] <... set_robust_list resumed>) = 0 [pid 3916] rt_sigprocmask(SIG_SETMASK, [] [pid 3917] <... prctl resumed>) = 0 [pid 3917] setpgid(0, 0) = 0 [pid 3917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3916] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3917] <... openat resumed>) = 3 [pid 3917] write(3, "1000", 4) = 4 [pid 3917] close(3) = 0 [pid 3917] write(1, "executing program\n", 18) = 18 executing program [pid 3917] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3917] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3917] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3918] rt_sigprocmask(SIG_SETMASK, [] [pid 3916] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3917] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3918] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3916] <... prctl resumed>) = 0 [pid 3917] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3916] setpgid(0, 0 [pid 3918] mkdirat(AT_FDCWD, "./config", 0777 [pid 3917] <... mmap resumed>) = 0x7f85c0c15000 [pid 3917] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3916] <... setpgid resumed>) = 0 [pid 3918] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3918] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3917] <... mprotect resumed>) = 0 [pid 3918] <... futex resumed>) = 1 [pid 3917] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3916] <... openat resumed>) = 3 [pid 3914] <... futex resumed>) = 0 [pid 3916] write(3, "1000", 4 [pid 3914] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3916] <... write resumed>) = 4 [pid 3914] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3916] close(3 [pid 3917] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3918] mount(NULL, "./config", "configfs", 0, NULL [pid 3916] <... close resumed>) = 0 [pid 3917] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3916] write(1, "executing program\n", 18 [pid 3918] <... mount resumed>) = -1 EBUSY (Device or resource busy) ci2-android-5-15/strace-static-x86_64: Process 3919 attached executing program [pid 3916] <... write resumed>) = 18 [pid 3919] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3919] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3918] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3917] <... clone3 resumed> => {parent_tid=[3919]}, 88) = 3919 [pid 3916] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3917] rt_sigprocmask(SIG_SETMASK, [] [pid 3918] <... futex resumed>) = 1 [pid 3916] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3914] <... futex resumed>) = 0 [pid 3918] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3917] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3916] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3914] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3917] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3916] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3914] <... futex resumed>) = 0 [pid 3918] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3917] <... futex resumed>) = 0 [pid 3916] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3914] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3919] mkdirat(AT_FDCWD, "./config", 0777 [pid 3918] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3917] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3916] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3919] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3918] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3916] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 306] <... restart_syscall resumed>) = 0 [pid 3918] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3916] <... mprotect resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3919] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3917] <... futex resumed>) = 0 [pid 3917] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3917] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3919] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3918] <... futex resumed>) = 1 [pid 3916] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3914] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3918] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3916] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3914] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3920 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3918] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3916] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3914] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3919] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3917] <... futex resumed>) = 0 [pid 3917] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3917] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3919] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3914] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3921 [pid 3919] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3918] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3916] <... clone3 resumed> => {parent_tid=[3922]}, 88) = 3922 [pid 3918] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3916] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3918] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3916] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3919] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3916] <... futex resumed>) = 0 [pid 3918] <... futex resumed>) = 1 [pid 3914] <... futex resumed>) = 0 [pid 3918] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3916] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3914] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3918] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3914] <... futex resumed>) = 0 [pid 3919] <... futex resumed>) = 1 [pid 3918] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3917] <... futex resumed>) = 0 [pid 3914] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3919] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3917] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3919] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3917] <... futex resumed>) = 0 [pid 3919] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3918] <... mkdirat resumed>) = 0 [pid 3917] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3919] <... futex resumed>) = 0 [pid 3918] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3917] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3919] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3918] <... futex resumed>) = 1 [pid 3917] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3914] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3920 attached [pid 3919] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3918] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3917] <... futex resumed>) = 0 [pid 3914] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3920] set_robust_list(0x5555810c5760, 24 [pid 3919] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3918] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3917] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3914] <... futex resumed>) = 0 [pid 3920] <... set_robust_list resumed>) = 0 [pid 3919] <... futex resumed>) = 0 [pid 3918] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3917] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3914] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3921 attached [pid 3920] rt_sigprocmask(SIG_SETMASK, [] [pid 3919] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3918] <... symlinkat resumed>) = 0 [pid 3917] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3921] set_robust_list(0x5555810c5760, 24 [pid 3920] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3919] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3918] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3917] <... futex resumed>) = 0 [pid 3921] <... set_robust_list resumed>) = 0 [pid 3920] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3919] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3918] <... futex resumed>) = 1 [pid 3917] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3914] <... futex resumed>) = 0 [pid 3920] <... prctl resumed>) = 0 [pid 3919] <... futex resumed>) = 0 [pid 3918] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3917] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3914] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3922 attached [pid 3921] rt_sigprocmask(SIG_SETMASK, [] [pid 3920] setpgid(0, 0 [pid 3919] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3918] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3917] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3914] <... futex resumed>) = 0 [pid 3922] set_robust_list(0x7f85c0c359a0, 24 [pid 3921] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3920] <... setpgid resumed>) = 0 [pid 3919] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3918] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3914] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3922] <... set_robust_list resumed>) = 0 [pid 3921] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3920] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3919] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3918] <... unlinkat resumed>) = 0 [pid 3917] <... futex resumed>) = 0 [pid 3922] rt_sigprocmask(SIG_SETMASK, [] [pid 3921] <... prctl resumed>) = 0 [pid 3919] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3918] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3917] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3922] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3921] setpgid(0, 0 [pid 3920] <... openat resumed>) = 3 [pid 3919] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3918] <... futex resumed>) = 1 [pid 3917] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3914] <... futex resumed>) = 0 [pid 3922] mkdirat(AT_FDCWD, "./config", 0777 [pid 3921] <... setpgid resumed>) = 0 [pid 3920] write(3, "1000", 4 [pid 3919] <... futex resumed>) = 0 [pid 3918] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3917] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3914] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3922] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3920] <... write resumed>) = 4 [pid 3919] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3918] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3917] <... futex resumed>) = 0 [pid 3914] <... futex resumed>) = 0 [pid 3922] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3921] <... openat resumed>) = 3 [pid 3920] close(3 [pid 3919] <... unlinkat resumed>) = 0 [pid 3918] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3917] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3914] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3922] <... futex resumed>) = 1 [pid 3921] write(3, "1000", 4 [pid 3920] <... close resumed>) = 0 [pid 3919] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3918] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3917] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3916] <... futex resumed>) = 0 [pid 3922] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3921] <... write resumed>) = 4 [pid 3920] write(1, "executing program\n", 18 [pid 3919] <... futex resumed>) = 0 [pid 3918] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3917] exit_group(0 [pid 3916] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 3922] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3921] close(3 [pid 3918] <... futex resumed>) = 1 [pid 3920] <... write resumed>) = 18 [pid 3917] <... exit_group resumed>) = ? [pid 3916] <... futex resumed>) = 0 [pid 3914] <... futex resumed>) = 0 [pid 3922] mount(NULL, "./config", "configfs", 0, NULL [pid 3921] <... close resumed>) = 0 [pid 3918] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3916] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3914] exit_group(0 [pid 3922] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3921] write(1, "executing program\n", 18 [pid 3918] <... futex resumed>) = ? [pid 3914] <... exit_group resumed>) = ? executing program [pid 3922] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3921] <... write resumed>) = 18 [pid 3920] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3919] +++ exited with 0 +++ [pid 3918] +++ exited with 0 +++ [pid 3917] +++ exited with 0 +++ [pid 3914] +++ exited with 0 +++ [pid 3922] <... futex resumed>) = 1 [pid 3921] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3920] <... futex resumed>) = 0 [pid 3916] <... futex resumed>) = 0 [pid 3922] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3921] <... futex resumed>) = 0 [pid 3920] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3916] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3917, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3914, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3922] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3921] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3920] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3916] <... futex resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3922] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3921] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3920] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3916] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 3922] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3921] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3920] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3922] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3921] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3920] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3922] <... futex resumed>) = 1 [pid 3921] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3920] <... mmap resumed>) = 0x7f85c0c15000 [pid 3916] <... futex resumed>) = 0 [pid 3922] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3921] <... mmap resumed>) = 0x7f85c0c15000 [pid 3920] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3916] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3922] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3921] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3920] <... mprotect resumed>) = 0 [pid 3916] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3922] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3921] <... mprotect resumed>) = 0 [pid 3920] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3916] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3922] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3921] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3920] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3920] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[3923]}, 88) = 3923 [pid 3920] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3920] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3920] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3924 attached [pid 3921] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3924 [pid 3922] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3925 [pid 3921] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3924] set_robust_list(0x5555810c5760, 24) = 0 [pid 3922] <... futex resumed>) = 1 [pid 3921] <... clone3 resumed> => {parent_tid=[3926]}, 88) = 3926 [pid 3916] <... futex resumed>) = 0 [pid 3922] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3921] rt_sigprocmask(SIG_SETMASK, [] [pid 3916] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3922] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3921] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3916] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3926 attached ci2-android-5-15/strace-static-x86_64: Process 3925 attached ci2-android-5-15/strace-static-x86_64: Process 3923 attached [pid 3924] rt_sigprocmask(SIG_SETMASK, [] [pid 3922] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3924] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3924] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3921] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3916] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3924] <... prctl resumed>) = 0 [pid 3922] <... mkdirat resumed>) = 0 [pid 3924] setpgid(0, 0) = 0 [pid 3921] <... futex resumed>) = 0 [pid 3922] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3922] <... futex resumed>) = 1 [pid 3921] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3916] <... futex resumed>) = 0 [pid 3926] set_robust_list(0x7f85c0c359a0, 24 [pid 3925] set_robust_list(0x5555810c5760, 24 [pid 3923] set_robust_list(0x7f85c0c359a0, 24 [pid 3924] <... openat resumed>) = 3 [pid 3922] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3916] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3924] write(3, "1000", 4) = 4 [pid 3924] close(3) = 0 [pid 3916] <... futex resumed>) = 0 [pid 3924] write(1, "executing program\n", 18 [pid 3922] <... symlinkat resumed>) = 0 [pid 3916] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3924] <... write resumed>) = 18 executing program [pid 3922] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3924] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3922] <... futex resumed>) = 1 [pid 3916] <... futex resumed>) = 0 [pid 3922] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3916] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3922] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3916] <... futex resumed>) = 0 [pid 3922] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3916] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3922] <... unlinkat resumed>) = 0 [pid 3924] <... futex resumed>) = 0 [pid 3922] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3924] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3922] <... futex resumed>) = 1 [pid 3916] <... futex resumed>) = 0 [pid 3925] <... set_robust_list resumed>) = 0 [pid 3922] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3916] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3922] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3916] <... futex resumed>) = 0 [pid 3925] rt_sigprocmask(SIG_SETMASK, [] [pid 3922] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3916] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3925] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3924] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3922] <... unlinkat resumed>) = 0 [pid 3924] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3922] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3925] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3922] <... futex resumed>) = 1 [pid 3916] <... futex resumed>) = 0 [pid 3924] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3922] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3925] <... prctl resumed>) = 0 [pid 3916] exit_group(0 [pid 3924] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3922] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 3916] <... exit_group resumed>) = ? [pid 3925] setpgid(0, 0 [pid 3922] +++ exited with 0 +++ [pid 3924] <... mmap resumed>) = 0x7f85c0c15000 [pid 3924] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3924] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3924] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3916] +++ exited with 0 +++ [pid 3925] <... setpgid resumed>) = 0 [pid 3924] <... clone3 resumed> => {parent_tid=[3927]}, 88) = 3927 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3916, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3924] rt_sigprocmask(SIG_SETMASK, [] [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3924] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3924] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3924] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3927 attached [pid 3925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3926] <... set_robust_list resumed>) = 0 [pid 3927] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3927] rt_sigprocmask(SIG_SETMASK, [] [pid 3926] rt_sigprocmask(SIG_SETMASK, [] [pid 3925] <... openat resumed>) = 3 [pid 3923] <... set_robust_list resumed>) = 0 [pid 3927] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3927] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3926] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3925] write(3, "1000", 4 [pid 3923] rt_sigprocmask(SIG_SETMASK, [] [pid 3927] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3924] <... futex resumed>) = 0 [pid 3924] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3924] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3927] <... futex resumed>) = 1 [pid 3927] mount(NULL, "./config", "configfs", 0, NULL [pid 3925] <... write resumed>) = 4 [pid 3926] mkdirat(AT_FDCWD, "./config", 0777 [pid 3925] close(3 [pid 3927] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3925] <... close resumed>) = 0 [pid 3926] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3925] write(1, "executing program\n", 18 [pid 3927] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... restart_syscall resumed>) = 0 [pid 3926] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3925] <... write resumed>) = 18 executing program [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3925] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3926] <... futex resumed>) = 1 [pid 3921] <... futex resumed>) = 0 [pid 3925] <... futex resumed>) = 0 [pid 3921] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3926] mount(NULL, "./config", "configfs", 0, NULL [pid 3925] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3921] <... futex resumed>) = 0 [pid 3925] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3921] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3926] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3925] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3926] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3925] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3925] <... mmap resumed>) = 0x7f85c0c15000 [pid 3926] <... futex resumed>) = 1 [pid 3925] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3921] <... futex resumed>) = 0 [pid 3926] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3925] <... mprotect resumed>) = 0 [pid 3921] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3926] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3921] <... futex resumed>) = 0 [pid 3926] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3925] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3921] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3926] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3925] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3926] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3925] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3923] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3927] <... futex resumed>) = 1 [pid 3926] <... futex resumed>) = 1 [pid 3921] <... futex resumed>) = 0 [pid 3921] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3921] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3929 attached ci2-android-5-15/strace-static-x86_64: Process 3928 attached [pid 3924] <... futex resumed>) = 0 [pid 3924] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3928 [pid 3924] <... futex resumed>) = 0 [pid 3928] set_robust_list(0x5555810c5760, 24 [pid 3924] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3929] set_robust_list(0x7f85c0c359a0, 24 [pid 3928] <... set_robust_list resumed>) = 0 [pid 3925] <... clone3 resumed> => {parent_tid=[3929]}, 88) = 3929 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3929] <... set_robust_list resumed>) = 0 [pid 3925] rt_sigprocmask(SIG_SETMASK, [] [pid 3923] mkdirat(AT_FDCWD, "./config", 0777 [pid 3928] rt_sigprocmask(SIG_SETMASK, [] [pid 3929] rt_sigprocmask(SIG_SETMASK, [] [pid 3925] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3926] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3925] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3923] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3929] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3928] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3926] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3925] <... futex resumed>) = 0 [pid 3923] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3928] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3926] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3925] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3929] mkdirat(AT_FDCWD, "./config", 0777 [pid 3928] <... prctl resumed>) = 0 [pid 3923] <... futex resumed>) = 1 [pid 3920] <... futex resumed>) = 0 [pid 3928] setpgid(0, 0 [pid 3926] <... futex resumed>) = 1 [pid 3921] <... futex resumed>) = 0 [pid 3920] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3929] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3928] <... setpgid resumed>) = 0 [pid 3926] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3923] mount(NULL, "./config", "configfs", 0, NULL [pid 3921] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3920] <... futex resumed>) = 0 [pid 3929] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3928] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3926] <... mkdirat resumed>) = 0 [pid 3923] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3921] <... futex resumed>) = 0 [pid 3926] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3921] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3920] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3929] <... futex resumed>) = 1 [pid 3928] <... openat resumed>) = 3 [pid 3926] <... futex resumed>) = 0 [pid 3925] <... futex resumed>) = 0 [pid 3923] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3921] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3920] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3929] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3928] write(3, "1000", 4 [pid 3926] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3925] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3921] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3929] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3928] <... write resumed>) = 4 [pid 3927] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3926] <... symlinkat resumed>) = 0 [pid 3925] <... futex resumed>) = 0 [pid 3923] <... futex resumed>) = 0 [pid 3921] <... futex resumed>) = 0 [pid 3920] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3929] mount(NULL, "./config", "configfs", 0, NULL [pid 3928] close(3 [pid 3926] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3925] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3923] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3921] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3920] <... futex resumed>) = 0 [pid 3928] <... close resumed>) = 0 [pid 3926] <... futex resumed>) = 0 [pid 3923] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3921] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3920] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3929] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3928] write(1, "executing program\n", 18 [pid 3927] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 3926] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3923] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3921] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3929] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3928] <... write resumed>) = 18 [pid 3927] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3926] <... unlinkat resumed>) = 0 [pid 3923] <... futex resumed>) = 1 [pid 3921] <... futex resumed>) = 0 [pid 3920] <... futex resumed>) = 0 [pid 3927] <... futex resumed>) = 1 [pid 3926] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3924] <... futex resumed>) = 0 [pid 3921] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3920] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3929] <... futex resumed>) = 1 [pid 3928] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3927] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3926] <... futex resumed>) = 0 [pid 3925] <... futex resumed>) = 0 [pid 3924] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3923] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3921] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3920] <... futex resumed>) = 0 [pid 3929] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3928] <... futex resumed>) = 0 [pid 3927] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3926] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3925] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3924] <... futex resumed>) = 0 [pid 3921] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3920] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3929] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3928] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3927] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3926] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3925] <... futex resumed>) = 0 [pid 3924] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3923] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3921] <... futex resumed>) = 0 [pid 3929] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3928] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3927] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3926] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3925] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3923] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3921] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3929] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3928] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3927] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3926] <... unlinkat resumed>) = 0 [pid 3923] <... futex resumed>) = 1 [pid 3920] <... futex resumed>) = 0 [pid 3929] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3928] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3927] <... futex resumed>) = 1 [pid 3926] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3924] <... futex resumed>) = 0 [pid 3923] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3920] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3929] <... futex resumed>) = 1 [pid 3928] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3927] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3926] <... futex resumed>) = 1 [pid 3925] <... futex resumed>) = 0 [pid 3924] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3923] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3921] <... futex resumed>) = 0 [pid 3920] <... futex resumed>) = 0 [pid 3929] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3928] <... mmap resumed>) = 0x7f85c0c15000 [pid 3926] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3925] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3924] <... futex resumed>) = 0 [pid 3923] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3921] exit_group(0 [pid 3920] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3929] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3928] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3927] <... mkdirat resumed>) = 0 [pid 3926] <... futex resumed>) = ? [pid 3925] <... futex resumed>) = 0 [pid 3924] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3923] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3921] <... exit_group resumed>) = ? [pid 3929] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3928] <... mprotect resumed>) = 0 [pid 3927] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3926] +++ exited with 0 +++ [pid 3925] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3924] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3923] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3929] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3928] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3924] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3923] <... futex resumed>) = 1 [pid 3920] <... futex resumed>) = 0 [pid 3929] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3928] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3924] <... futex resumed>) = 0 [pid 3923] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3921] +++ exited with 0 +++ [pid 3920] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3929] <... futex resumed>) = 0 [pid 3928] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3927] <... futex resumed>) = 0 [pid 3925] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3924] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3923] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3920] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3930 attached [pid 3929] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3927] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3925] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3923] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3920] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3921, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3930] set_robust_list(0x7f85c0c359a0, 24 [pid 3929] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3928] <... clone3 resumed> => {parent_tid=[3930]}, 88) = 3930 [pid 3927] <... symlinkat resumed>) = 0 [pid 3925] <... futex resumed>) = 0 [pid 3923] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3930] <... set_robust_list resumed>) = 0 [pid 3929] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3928] rt_sigprocmask(SIG_SETMASK, [] [pid 3927] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3925] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3923] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3930] rt_sigprocmask(SIG_SETMASK, [] [pid 3929] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3928] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3927] <... futex resumed>) = 1 [pid 3924] <... futex resumed>) = 0 [pid 3923] <... futex resumed>) = 1 [pid 3920] <... futex resumed>) = 0 [pid 3930] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3929] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3928] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3927] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3924] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3923] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3920] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3930] mkdirat(AT_FDCWD, "./config", 0777 [pid 3929] <... futex resumed>) = 1 [pid 3928] <... futex resumed>) = 0 [pid 3927] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3925] <... futex resumed>) = 0 [pid 3924] <... futex resumed>) = 0 [pid 3923] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3920] <... futex resumed>) = 0 [pid 3929] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3928] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3927] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3925] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3924] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3923] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3920] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3930] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3929] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3927] <... unlinkat resumed>) = 0 [pid 3925] <... futex resumed>) = 0 [pid 3927] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3929] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3925] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3923] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3930] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3929] <... futex resumed>) = 0 [pid 3927] <... futex resumed>) = 1 [pid 3925] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3924] <... futex resumed>) = 0 [pid 3927] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3925] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3924] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3930] <... futex resumed>) = 1 [pid 3929] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3928] <... futex resumed>) = 0 [pid 3927] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3925] <... futex resumed>) = 0 [pid 3924] <... futex resumed>) = 0 [pid 3923] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3930] mount(NULL, "./config", "configfs", 0, NULL [pid 3929] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3928] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3927] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3925] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3924] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3923] <... futex resumed>) = 1 [pid 3930] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3929] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3928] <... futex resumed>) = 0 [pid 3927] <... unlinkat resumed>) = 0 [pid 3925] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3920] <... futex resumed>) = 0 [pid 3930] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3929] <... futex resumed>) = 0 [pid 3928] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3927] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3925] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3923] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3920] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3930] <... futex resumed>) = 0 [pid 3929] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3928] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3927] <... futex resumed>) = 1 [pid 3925] <... futex resumed>) = 0 [pid 3924] <... futex resumed>) = 0 [pid 3930] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3929] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3928] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3927] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3925] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3924] exit_group(0 [pid 3923] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3920] <... futex resumed>) = 0 [pid 3930] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3929] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3928] <... futex resumed>) = 0 [pid 3927] <... futex resumed>) = ? [pid 3925] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3924] <... exit_group resumed>) = ? [pid 3923] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3920] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3930] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3929] <... futex resumed>) = 0 [pid 3928] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3927] +++ exited with 0 +++ [pid 3925] exit_group(0 [pid 3923] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3930] <... futex resumed>) = 0 [pid 3929] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3928] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3923] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3930] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3928] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3925] <... exit_group resumed>) = ? [pid 3924] +++ exited with 0 +++ [pid 3929] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 3923] <... futex resumed>) = 1 [pid 3930] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3928] <... futex resumed>) = 0 [pid 3923] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3920] <... futex resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 3930] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3928] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3920] exit_group(0 [pid 3930] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3929] +++ exited with 0 +++ [pid 3925] +++ exited with 0 +++ [pid 3923] <... futex resumed>) = ? [pid 3920] <... exit_group resumed>) = ? [pid 3930] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3923] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3924, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3920] +++ exited with 0 +++ [pid 3930] <... futex resumed>) = 1 [pid 3928] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3925, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3930] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3928] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3920, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3930] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3928] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3930] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3928] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3930] <... mkdirat resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3930] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3931 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 3931 attached [pid 3930] <... futex resumed>) = 1 [pid 3928] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3930] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3928] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3930] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3928] <... futex resumed>) = 0 [pid 3930] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3928] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3930] <... symlinkat resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3932 attached [pid 3931] set_robust_list(0x5555810c5760, 24 [pid 3930] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3928] <... futex resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3932 [pid 3930] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3928] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3930] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3928] <... futex resumed>) = 0 [pid 3930] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3928] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3932] set_robust_list(0x5555810c5760, 24 [pid 3931] <... set_robust_list resumed>) = 0 [pid 3930] <... unlinkat resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3930] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3928] <... futex resumed>) = 0 [pid 3930] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3928] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3930] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3928] <... futex resumed>) = 0 [pid 3930] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3928] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3932] <... set_robust_list resumed>) = 0 [pid 3931] rt_sigprocmask(SIG_SETMASK, [] [pid 3930] <... unlinkat resumed>) = 0 [pid 3930] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3928] <... futex resumed>) = 0 [pid 3930] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3928] exit_group(0 [pid 3930] <... futex resumed>) = ? [pid 3928] <... exit_group resumed>) = ? [pid 3932] rt_sigprocmask(SIG_SETMASK, [] [pid 3931] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3930] +++ exited with 0 +++ [pid 3932] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3931] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3928] +++ exited with 0 +++ [pid 3931] <... prctl resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3928, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3931] setpgid(0, 0 [pid 3932] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3932] setpgid(0, 0) = 0 [pid 3932] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3931] <... setpgid resumed>) = 0 [pid 3932] <... openat resumed>) = 3 [pid 3931] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3932] write(3, "1000", 4) = 4 [pid 3932] close(3) = 0 [pid 3932] write(1, "executing program\n", 18) = 18 executing program [pid 3932] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3931] <... openat resumed>) = 3 [pid 3932] <... futex resumed>) = 0 [pid 3932] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3932] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3932] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3932] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3931] write(3, "1000", 4 [pid 3932] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3932] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[3933]}, 88) = 3933 [pid 3931] <... write resumed>) = 4 ci2-android-5-15/strace-static-x86_64: Process 3933 attached [pid 3933] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3933] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3933] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3932] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3932] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3932] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3931] close(3 [pid 3933] <... futex resumed>) = 0 [pid 3931] <... close resumed>) = 0 [pid 3931] write(1, "executing program\n", 18) = 18 [pid 3931] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 311] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 3931] <... futex resumed>) = 0 [pid 3931] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3931] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 3931] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3931] <... mmap resumed>) = 0x7f85c0c15000 [pid 3931] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3931] <... mprotect resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3931] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 3935 attached [pid 3931] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3931] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3934 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3936 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3935 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3931] <... clone3 resumed> => {parent_tid=[3937]}, 88) = 3937 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3931] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3931] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3931] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3937 attached [pid 3935] set_robust_list(0x5555810c5760, 24 [pid 3933] mkdirat(AT_FDCWD, "./config", 0777 [pid 3937] set_robust_list(0x7f85c0c359a0, 24 [pid 3935] <... set_robust_list resumed>) = 0 [pid 3933] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3933] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3932] <... futex resumed>) = 0 [pid 3932] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3933] <... futex resumed>) = 1 [pid 3932] <... futex resumed>) = 0 [pid 3933] mount(NULL, "./config", "configfs", 0, NULL [pid 3932] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3933] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3935] rt_sigprocmask(SIG_SETMASK, [] [pid 3933] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3932] <... futex resumed>) = 0 [pid 3933] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3932] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3933] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3932] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3933] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3932] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3932] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3933] <... futex resumed>) = 0 [pid 3932] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3935] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3933] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3933] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3932] <... futex resumed>) = 0 [pid 3935] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3932] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3933] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3935] <... prctl resumed>) = 0 [pid 3932] <... futex resumed>) = 0 [pid 3932] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3935] setpgid(0, 0) = 0 [pid 3937] <... set_robust_list resumed>) = 0 [pid 3935] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3933] <... mkdirat resumed>) = 0 [pid 3933] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3932] <... futex resumed>) = 0 [pid 3933] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3932] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3935] <... openat resumed>) = 3 [pid 3932] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3935] write(3, "1000", 4 [pid 3933] <... symlinkat resumed>) = 0 [pid 3933] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3932] <... futex resumed>) = 0 [pid 3935] <... write resumed>) = 4 [pid 3932] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3933] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3935] close(3 [pid 3932] <... futex resumed>) = 0 [pid 3935] <... close resumed>) = 0 [pid 3933] <... unlinkat resumed>) = 0 [pid 3932] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3933] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3932] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3935] write(1, "executing program\n", 18 [pid 3932] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3933] <... futex resumed>) = 0 [pid 3932] <... futex resumed>) = 0 [pid 3935] <... write resumed>) = 18 [pid 3932] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3933] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3935] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3937] rt_sigprocmask(SIG_SETMASK, [] [pid 3935] <... futex resumed>) = 0 [pid 3933] <... unlinkat resumed>) = 0 [pid 3933] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3932] <... futex resumed>) = 0 [pid 3935] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} executing program [pid 3932] exit_group(0 [pid 3935] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3932] <... exit_group resumed>) = ? [pid 3933] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 3936 attached [pid 3936] set_robust_list(0x5555810c5760, 24) = 0 [pid 3936] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3932] +++ exited with 0 +++ [pid 3935] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3932, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3935] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3935] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3936] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3937] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3935] <... mmap resumed>) = 0x7f85c0c15000 [pid 3936] setpgid(0, 0 [pid 3937] mkdirat(AT_FDCWD, "./config", 0777 [pid 3935] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3936] <... setpgid resumed>) = 0 [pid 3936] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3935] <... mprotect resumed>) = 0 [pid 3937] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3935] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3937] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3935] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3937] <... futex resumed>) = 1 [pid 3936] <... openat resumed>) = 3 [pid 3935] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3931] <... futex resumed>) = 0 [pid 3936] write(3, "1000", 4 [pid 3931] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3937] mount(NULL, "./config", "configfs", 0, NULL [pid 3931] <... futex resumed>) = 0 [pid 3935] <... clone3 resumed> => {parent_tid=[3938]}, 88) = 3938 [pid 3931] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3937] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3936] <... write resumed>) = 4 [pid 3935] rt_sigprocmask(SIG_SETMASK, [] [pid 3936] close(3 [pid 3937] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3935] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3937] <... futex resumed>) = 1 [pid 3936] <... close resumed>) = 0 [pid 3935] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3931] <... futex resumed>) = 0 [pid 3937] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3935] <... futex resumed>) = 0 [pid 3931] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3934 attached [pid 3937] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3936] write(1, "executing program\n", 18 [pid 3935] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3931] <... futex resumed>) = 0 [pid 3937] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3931] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3936] <... write resumed>) = 18 [pid 3937] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3936] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 3936] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3936] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3938 attached [pid 3937] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3936] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3934] set_robust_list(0x5555810c5760, 24 [pid 3936] <... mmap resumed>) = 0x7f85c0c15000 [pid 3936] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3931] <... futex resumed>) = 0 [pid 3937] <... futex resumed>) = 1 [pid 3931] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3937] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3931] <... futex resumed>) = 0 [pid 3934] <... set_robust_list resumed>) = 0 [pid 3937] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3931] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3937] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3931] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3937] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3931] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3937] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3931] <... futex resumed>) = 0 [pid 3937] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3931] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3937] <... mkdirat resumed>) = 0 [pid 3937] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3936] <... mprotect resumed>) = 0 [pid 3934] rt_sigprocmask(SIG_SETMASK, [] [pid 3938] set_robust_list(0x7f85c0c359a0, 24 [pid 3937] <... futex resumed>) = 1 [pid 3936] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3934] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3931] <... futex resumed>) = 0 [pid 3937] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3931] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3937] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3931] <... futex resumed>) = 0 [pid 3937] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3936] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3931] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3938] <... set_robust_list resumed>) = 0 [pid 3937] <... symlinkat resumed>) = 0 [pid 3934] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3938] rt_sigprocmask(SIG_SETMASK, [] [pid 3937] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3938] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 3937] <... futex resumed>) = 1 [pid 3934] <... prctl resumed>) = 0 [pid 3931] <... futex resumed>) = 0 [pid 3938] mkdirat(AT_FDCWD, "./config", 0777 [pid 3937] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3931] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3936] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3931] <... futex resumed>) = 0 [pid 3937] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3938] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3937] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3934] setpgid(0, 0 [pid 3931] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3938] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3937] <... unlinkat resumed>) = 0 [pid 3934] <... setpgid resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3937] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3935] <... futex resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3935] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3931] <... futex resumed>) = 0 [pid 3936] <... clone3 resumed> => {parent_tid=[3939]}, 88) = 3939 [pid 3936] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3936] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3936] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3935] <... futex resumed>) = 0 [pid 3937] <... futex resumed>) = 1 [pid 3931] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3938] <... futex resumed>) = 1 [pid 3937] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3935] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3934] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3931] <... futex resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3940 [pid 3931] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3938] mount(NULL, "./config", "configfs", 0, NULL [pid 3937] <... unlinkat resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3937] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3931] <... futex resumed>) = 0 [pid 3937] <... futex resumed>) = 1 [pid 3931] exit_group(0 [pid 3937] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 ENOSYS (Function not implemented) [pid 3931] <... exit_group resumed>) = ? [pid 3938] <... mount resumed>) = -1 EBUSY (Device or resource busy) ci2-android-5-15/strace-static-x86_64: Process 3940 attached [pid 3940] set_robust_list(0x5555810c5760, 24) = 0 [pid 3940] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3940] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3940] setpgid(0, 0 [pid 3937] +++ exited with 0 +++ [pid 3931] +++ exited with 0 +++ [pid 3940] <... setpgid resumed>) = 0 [pid 3934] <... openat resumed>) = 3 [pid 3938] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3931, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3940] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3938] <... futex resumed>) = 1 [pid 3935] <... futex resumed>) = 0 [pid 3934] write(3, "1000", 4 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3938] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3935] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3934] <... write resumed>) = 4 [pid 3935] <... futex resumed>) = 0 [pid 3938] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3935] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3934] close(3 [pid 3938] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3940] <... openat resumed>) = 3 [pid 3938] <... futex resumed>) = 1 [pid 3935] <... futex resumed>) = 0 [pid 3934] <... close resumed>) = 0 [pid 3938] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3935] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3934] write(1, "executing program\n", 18 [pid 3935] <... futex resumed>) = 0 [pid 3938] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3934] <... write resumed>) = 18 [pid 3935] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3938] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 3934] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3935] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3940] write(3, "1000", 4 [pid 3938] <... futex resumed>) = 0 [pid 3935] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3934] <... futex resumed>) = 0 [pid 3938] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3935] <... futex resumed>) = 0 [pid 3940] <... write resumed>) = 4 [pid 3935] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3934] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3940] close(3 [pid 3938] <... mkdirat resumed>) = 0 [pid 3934] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3940] <... close resumed>) = 0 [pid 3940] write(1, "executing program\n", 18) = 18 executing program [pid 3940] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3940] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3940] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3940] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3938] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3934] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3940] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3934] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3938] <... futex resumed>) = 1 [pid 3935] <... futex resumed>) = 0 [pid 3940] <... mprotect resumed>) = 0 [pid 3938] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3935] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3934] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3938] <... symlinkat resumed>) = 0 [pid 3935] <... futex resumed>) = 0 [pid 3938] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3935] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3934] <... mmap resumed>) = 0x7f85c0c15000 [pid 3938] <... futex resumed>) = 0 [pid 3935] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3934] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3938] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3935] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3938] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3935] <... futex resumed>) = 0 [pid 3934] <... mprotect resumed>) = 0 [pid 3938] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3935] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3938] <... unlinkat resumed>) = 0 [pid 3934] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3938] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3934] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3938] <... futex resumed>) = 1 [pid 3935] <... futex resumed>) = 0 [pid 3934] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3938] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3935] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3940] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3938] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3935] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3941 attached [pid 3938] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3935] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3934] <... clone3 resumed> => {parent_tid=[3941]}, 88) = 3941 [pid 3940] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3938] <... unlinkat resumed>) = 0 [pid 3940] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3934] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 3942 attached [pid 3941] set_robust_list(0x7f85c0c359a0, 24 [pid 3938] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3940] <... clone3 resumed> => {parent_tid=[3942]}, 88) = 3942 [pid 3940] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3940] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3942] set_robust_list(0x7f85c0c359a0, 24 [pid 3941] <... set_robust_list resumed>) = 0 [pid 3940] <... futex resumed>) = 0 [pid 3938] <... futex resumed>) = 1 [pid 3935] <... futex resumed>) = 0 [pid 3934] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3940] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3939 attached [pid 3939] set_robust_list(0x7f85c0c359a0, 24 [pid 3942] <... set_robust_list resumed>) = 0 [pid 3941] rt_sigprocmask(SIG_SETMASK, [] [pid 3938] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3935] exit_group(0 [pid 3934] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3939] <... set_robust_list resumed>) = 0 [pid 3939] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3939] mkdirat(AT_FDCWD, "./config", 0777 [pid 3935] <... exit_group resumed>) = ? [pid 3938] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 3934] <... futex resumed>) = 0 [pid 3939] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3934] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3938] +++ exited with 0 +++ [pid 3939] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3936] <... futex resumed>) = 0 [pid 3939] mount(NULL, "./config", "configfs", 0, NULL [pid 3936] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3939] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3936] <... futex resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 3939] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3936] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3935] +++ exited with 0 +++ [pid 3939] <... futex resumed>) = 0 [pid 3936] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3935, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3939] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3936] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3939] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3936] <... futex resumed>) = 0 [pid 3939] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3936] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3939] <... futex resumed>) = 0 [pid 3936] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3939] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3936] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3939] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3936] <... futex resumed>) = 0 [pid 3939] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3936] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3939] <... futex resumed>) = 0 [pid 3936] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3939] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3936] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3942] rt_sigprocmask(SIG_SETMASK, [] [pid 3941] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3939] <... mkdirat resumed>) = 0 [pid 3936] <... futex resumed>) = 0 [pid 3939] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3936] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3939] <... futex resumed>) = 0 [pid 3936] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3939] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3936] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3941] mkdirat(AT_FDCWD, "./config", 0777 [pid 3939] <... symlinkat resumed>) = 0 [pid 3936] <... futex resumed>) = 0 [pid 3941] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3939] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3936] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3939] <... futex resumed>) = 0 [pid 3936] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3941] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3939] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3936] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3942] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3941] <... futex resumed>) = 1 [pid 3939] <... unlinkat resumed>) = 0 [pid 3936] <... futex resumed>) = 0 [pid 3934] <... futex resumed>) = 0 [pid 3939] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3936] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3939] <... futex resumed>) = 0 [pid 3936] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3939] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3936] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3941] mount(NULL, "./config", "configfs", 0, NULL [pid 3939] <... unlinkat resumed>) = 0 [pid 3936] <... futex resumed>) = 0 [pid 3934] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3942] mkdirat(AT_FDCWD, "./config", 0777 [pid 3939] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3936] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3934] <... futex resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3943 [pid 3941] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3939] <... futex resumed>) = 0 [pid 3936] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3934] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3941] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3939] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3936] exit_group(0 [pid 3934] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3939] <... futex resumed>) = ? [pid 3936] <... exit_group resumed>) = ? [pid 3934] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3941] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3942] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3939] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 3943 attached [pid 3943] set_robust_list(0x5555810c5760, 24) = 0 [pid 3943] rt_sigprocmask(SIG_SETMASK, [] [pid 3936] +++ exited with 0 +++ [pid 3934] <... futex resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3936, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3941] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3934] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3943] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3941] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3943] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3941] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3942] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3943] <... prctl resumed>) = 0 [pid 3943] setpgid(0, 0) = 0 [pid 3943] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3942] <... futex resumed>) = 1 [pid 3941] <... futex resumed>) = 1 [pid 3940] <... futex resumed>) = 0 [pid 3934] <... futex resumed>) = 0 [pid 3940] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3941] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3940] <... futex resumed>) = 0 [pid 3934] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3940] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3934] <... futex resumed>) = 0 [pid 3943] <... openat resumed>) = 3 [pid 3942] mount(NULL, "./config", "configfs", 0, NULL [pid 3941] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3934] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3941] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3934] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3941] <... futex resumed>) = 0 [pid 3934] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3941] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3934] <... futex resumed>) = 0 [pid 3943] write(3, "1000", 4 [pid 3941] <... mkdirat resumed>) = 0 [pid 3934] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3941] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3934] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3941] <... futex resumed>) = 0 [pid 3934] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3941] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3934] <... futex resumed>) = 0 [pid 3943] <... write resumed>) = 4 [pid 3934] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3943] close(3 [pid 3941] <... symlinkat resumed>) = 0 [pid 3943] <... close resumed>) = 0 [pid 3941] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3943] write(1, "executing program\n", 18 [pid 3934] <... futex resumed>) = 0 [pid 3941] <... futex resumed>) = 1 [pid 3934] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3941] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3934] <... futex resumed>) = 0 [pid 3943] <... write resumed>) = 18 executing program [pid 3934] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3942] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3941] <... unlinkat resumed>) = 0 [pid 3943] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3942] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3941] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3943] <... futex resumed>) = 0 [pid 3941] <... futex resumed>) = 1 [pid 3934] <... futex resumed>) = 0 [pid 3942] <... futex resumed>) = 1 [pid 3941] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3940] <... futex resumed>) = 0 [pid 3934] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3943] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3942] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3941] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3940] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3934] <... futex resumed>) = 0 [pid 3943] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3942] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3941] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3940] <... futex resumed>) = 0 [pid 3934] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3943] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3940] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3943] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3942] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3941] <... unlinkat resumed>) = 0 [pid 3940] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3943] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3942] <... futex resumed>) = 0 [pid 3941] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3940] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3943] <... mmap resumed>) = 0x7f85c0c15000 [pid 3942] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3941] <... futex resumed>) = 1 [pid 3940] <... futex resumed>) = 0 [pid 3934] <... futex resumed>) = 0 [pid 3943] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3942] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3941] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3940] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... restart_syscall resumed>) = 0 [pid 3934] exit_group(0 [pid 304] <... restart_syscall resumed>) = 0 [pid 3943] <... mprotect resumed>) = 0 [pid 3942] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3940] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3934] <... exit_group resumed>) = ? [pid 3941] <... futex resumed>) = ? [pid 3943] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3940] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3943] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3940] <... futex resumed>) = 0 [pid 3943] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3940] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3943] <... clone3 resumed> => {parent_tid=[3944]}, 88) = 3944 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3943] rt_sigprocmask(SIG_SETMASK, [] [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3943] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3943] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3943] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3944 attached [pid 3944] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3945 [pid 3944] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3944] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3944] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3946 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3943] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3943] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3941] +++ exited with 0 +++ [pid 3934] +++ exited with 0 +++ [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3943] <... futex resumed>) = 0 [pid 3942] <... futex resumed>) = 1 [pid 3940] <... futex resumed>) = 0 [pid 3943] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3940] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=48000000} [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3934, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3942] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3944] <... futex resumed>) = 1 [pid 3944] mount(NULL, "./config", "configfs", 0, NULL [pid 3942] <... mkdirat resumed>) = 0 [pid 3944] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3944] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3943] <... futex resumed>) = 0 [pid 3943] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3943] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3944] <... futex resumed>) = 1 [pid 3944] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3942] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3940] <... futex resumed>) = 0 [pid 3942] <... futex resumed>) = 1 [pid 3940] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3942] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3940] <... futex resumed>) = 0 [pid 3940] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3944] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3942] <... symlinkat resumed>) = 0 [pid 3944] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3942] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3943] <... futex resumed>) = 0 [pid 3942] <... futex resumed>) = 1 [pid 3940] <... futex resumed>) = 0 [pid 3943] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3942] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3940] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3943] <... futex resumed>) = 0 [pid 3942] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3940] <... futex resumed>) = 0 [pid 3943] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3942] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3940] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3944] <... futex resumed>) = 1 [pid 3942] <... unlinkat resumed>) = 0 [pid 3944] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3942] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3944] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3942] <... futex resumed>) = 1 [pid 3940] <... futex resumed>) = 0 [pid 3942] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3940] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3942] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3940] <... futex resumed>) = 0 [pid 3942] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3940] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3944] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3943] <... futex resumed>) = 0 [pid 3943] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3942] <... unlinkat resumed>) = 0 [pid 3943] <... futex resumed>) = 0 [pid 3942] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3943] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3940] <... futex resumed>) = 0 [pid 3942] <... futex resumed>) = 1 [pid 3940] exit_group(0 [pid 3942] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 ENOSYS (Function not implemented) [pid 3940] <... exit_group resumed>) = ? [pid 3944] <... futex resumed>) = 1 [pid 3944] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3944] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3943] <... futex resumed>) = 0 [pid 3943] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3943] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3944] <... futex resumed>) = 1 [pid 3942] +++ exited with 0 +++ [pid 3940] +++ exited with 0 +++ [pid 3944] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0"ci2-android-5-15/strace-static-x86_64: Process 3946 attached ) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3940, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 3944] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3946] set_robust_list(0x5555810c5760, 24 [pid 3943] <... futex resumed>) = 0 [pid 3943] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3943] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3944] <... futex resumed>) = 1 [pid 3944] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3946] <... set_robust_list resumed>) = 0 [pid 3944] <... unlinkat resumed>) = 0 [pid 3944] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3943] <... futex resumed>) = 0 [pid 3943] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3943] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3944] <... futex resumed>) = 1 [pid 3944] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3946] rt_sigprocmask(SIG_SETMASK, [] [pid 3944] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3945 attached [pid 3945] set_robust_list(0x5555810c5760, 24) = 0 [pid 3945] rt_sigprocmask(SIG_SETMASK, [] [pid 3946] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3945] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3944] <... futex resumed>) = 1 [pid 3943] <... futex resumed>) = 0 [pid 3943] exit_group(0) = ? [pid 3946] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3945] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3946] <... prctl resumed>) = 0 [pid 3945] <... prctl resumed>) = 0 [pid 3945] setpgid(0, 0) = 0 [pid 3946] setpgid(0, 0 [pid 3945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3945] write(3, "1000", 4) = 4 [pid 3944] +++ exited with 0 +++ [pid 3943] +++ exited with 0 +++ [pid 3946] <... setpgid resumed>) = 0 [pid 3945] close(3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3943, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3945] <... close resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3946] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3945] write(1, "executing program\n", 18) = 18 executing program [pid 3946] <... openat resumed>) = 3 [pid 3945] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3945] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3945] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3945] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3946] write(3, "1000", 4 [pid 3945] <... mmap resumed>) = 0x7f85c0c15000 [pid 3945] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3946] <... write resumed>) = 4 [pid 3946] close(3 [pid 3945] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3946] <... close resumed>) = 0 [pid 3945] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 3946] write(1, "executing program\n", 18 executing program [pid 3945] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0}ci2-android-5-15/strace-static-x86_64: Process 3947 attached [pid 3946] <... write resumed>) = 18 [pid 3947] set_robust_list(0x7f85c0c359a0, 24 [pid 3946] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3945] <... clone3 resumed> => {parent_tid=[3947]}, 88) = 3947 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3947] <... set_robust_list resumed>) = 0 [pid 3946] <... futex resumed>) = 0 [pid 3945] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3947] rt_sigprocmask(SIG_SETMASK, [] [pid 3946] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3945] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3947] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3946] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3945] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3948 attached [pid 3947] mkdirat(AT_FDCWD, "./config", 0777 [pid 3946] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3945] <... futex resumed>) = 0 [pid 3946] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3945] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3948 [pid 3948] set_robust_list(0x5555810c5760, 24 [pid 3946] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3948] <... set_robust_list resumed>) = 0 [pid 3946] <... mmap resumed>) = 0x7f85c0c15000 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3946] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3948] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3947] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3946] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3947] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3946] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3948] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3946] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3947] <... futex resumed>) = 1 [pid 3947] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3948] <... prctl resumed>) = 0 [pid 3945] <... futex resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 3948] setpgid(0, 0 [pid 3946] <... clone3 resumed> => {parent_tid=[3949]}, 88) = 3949 [pid 3945] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3948] <... setpgid resumed>) = 0 [pid 3946] rt_sigprocmask(SIG_SETMASK, [] [pid 3945] <... futex resumed>) = 1 [pid 3946] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3945] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3946] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3948] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3946] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3946] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3948] <... openat resumed>) = 3 [pid 3947] <... futex resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3947] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3947] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3947] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 3949 attached [pid 3949] set_robust_list(0x7f85c0c359a0, 24 [pid 3948] write(3, "1000", 4 [pid 3945] <... futex resumed>) = 0 [pid 3949] <... set_robust_list resumed>) = 0 [pid 3945] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3950 [pid 3948] <... write resumed>) = 4 [pid 3945] <... futex resumed>) = 1 [pid 3949] rt_sigprocmask(SIG_SETMASK, [] [pid 3947] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3948] close(3 [pid 3947] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3945] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... restart_syscall resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3947] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3948] <... close resumed>) = 0 [pid 3947] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3948] write(1, "executing program\n", 18 [pid 3947] <... futex resumed>) = 1 [pid 3945] <... futex resumed>) = 0 [pid 3947] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL executing program [pid 3945] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3948] <... write resumed>) = 18 [pid 3947] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3945] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3948] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3947] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3945] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3948] <... futex resumed>) = 0 [pid 3947] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3949] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3947] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3949] mkdirat(AT_FDCWD, "./config", 0777 [pid 3947] <... futex resumed>) = 1 [pid 3949] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3947] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3949] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3949] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3948] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3946] <... futex resumed>) = 0 [pid 3945] <... futex resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3951 [pid 3948] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3946] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3945] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3948] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3946] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3949] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3947] <... futex resumed>) = 0 [pid 3945] <... futex resumed>) = 1 [pid 3949] mount(NULL, "./config", "configfs", 0, NULL [pid 3948] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3947] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3946] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3951 attached [pid 3949] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3948] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3947] <... mkdirat resumed>) = 0 [pid 3945] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3949] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3948] <... mmap resumed>) = 0x7f85c0c15000 [pid 3947] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3945] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3949] <... futex resumed>) = 1 [pid 3948] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3947] <... futex resumed>) = 0 [pid 3946] <... futex resumed>) = 0 [pid 3945] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3949] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3948] <... mprotect resumed>) = 0 [pid 3947] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3946] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3945] <... futex resumed>) = 0 [pid 3949] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3948] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3947] <... symlinkat resumed>) = 0 [pid 3946] <... futex resumed>) = 0 [pid 3945] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3951] set_robust_list(0x5555810c5760, 24 [pid 3949] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3948] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3947] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3946] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3945] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3949] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3948] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3947] <... futex resumed>) = 0 [pid 3945] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3949] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3947] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3945] <... futex resumed>) = 0 [pid 3949] <... futex resumed>) = 1 [pid 3947] <... unlinkat resumed>) = 0 [pid 3946] <... futex resumed>) = 0 [pid 3945] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3950 attached [pid 3949] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3948] <... clone3 resumed> => {parent_tid=[3952]}, 88) = 3952 [pid 3947] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3946] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3945] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3951] <... set_robust_list resumed>) = 0 [pid 3950] set_robust_list(0x5555810c5760, 24 [pid 3949] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3948] rt_sigprocmask(SIG_SETMASK, [] [pid 3947] <... futex resumed>) = 0 [pid 3946] <... futex resumed>) = 0 [pid 3945] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3951] rt_sigprocmask(SIG_SETMASK, [] [pid 3950] <... set_robust_list resumed>) = 0 [pid 3949] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3948] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3947] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3946] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3945] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3952 attached [pid 3951] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3950] rt_sigprocmask(SIG_SETMASK, [] [pid 3949] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3948] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3947] <... unlinkat resumed>) = 0 [pid 3945] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3951] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3950] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3949] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3948] <... futex resumed>) = 0 [pid 3947] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3951] <... prctl resumed>) = 0 [pid 3950] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3949] <... futex resumed>) = 1 [pid 3948] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3947] <... futex resumed>) = 0 [pid 3946] <... futex resumed>) = 0 [pid 3945] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3952] set_robust_list(0x7f85c0c359a0, 24 [pid 3951] setpgid(0, 0 [pid 3950] <... prctl resumed>) = 0 [pid 3949] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3947] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3946] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3945] exit_group(0 [pid 3951] <... setpgid resumed>) = 0 [pid 3950] setpgid(0, 0 [pid 3949] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3946] <... futex resumed>) = 0 [pid 3950] <... setpgid resumed>) = 0 [pid 3949] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3947] <... futex resumed>) = ? [pid 3945] <... exit_group resumed>) = ? [pid 3952] <... set_robust_list resumed>) = 0 [pid 3951] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3950] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3949] <... mkdirat resumed>) = 0 [pid 3947] +++ exited with 0 +++ [pid 3946] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3950] <... openat resumed>) = 3 [pid 3949] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3950] write(3, "1000", 4 [pid 3949] <... futex resumed>) = 0 [pid 3950] <... write resumed>) = 4 [pid 3949] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3945] +++ exited with 0 +++ [pid 3950] close(3 [pid 3946] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3945, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3946] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3951] <... openat resumed>) = 3 [pid 3950] <... close resumed>) = 0 [pid 3949] <... futex resumed>) = 0 [pid 3946] <... futex resumed>) = 1 [pid 3950] write(1, "executing program\n", 18 executing program [pid 3949] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3946] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3951] write(3, "1000", 4 [pid 3952] rt_sigprocmask(SIG_SETMASK, [] [pid 3950] <... write resumed>) = 18 [pid 3949] <... symlinkat resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3950] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3949] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3952] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3951] <... write resumed>) = 4 [pid 3950] <... futex resumed>) = 0 [pid 3949] <... futex resumed>) = 1 [pid 3946] <... futex resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3952] mkdirat(AT_FDCWD, "./config", 0777 [pid 3951] close(3 [pid 3950] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3949] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3946] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3952] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3950] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3949] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3952] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3951] <... close resumed>) = 0 [pid 3950] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3949] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3946] <... futex resumed>) = 0 [pid 3952] <... futex resumed>) = 1 [pid 3951] write(1, "executing program\n", 18 [pid 3950] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3949] <... unlinkat resumed>) = 0 [pid 3948] <... futex resumed>) = 0 [pid 3946] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} executing program [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3953 [pid 3952] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3951] <... write resumed>) = 18 [pid 3950] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3949] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3948] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3946] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3952] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3951] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3950] <... mmap resumed>) = 0x7f85c0c15000 [pid 3949] <... futex resumed>) = 0 [pid 3948] <... futex resumed>) = 0 [pid 3946] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3952] mount(NULL, "./config", "configfs", 0, NULL [pid 3951] <... futex resumed>) = 0 [pid 3950] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3949] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3948] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3946] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3952] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3951] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3950] <... mprotect resumed>) = 0 [pid 3949] <... unlinkat resumed>) = 0 [pid 3946] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3952] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3951] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3950] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3949] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3946] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3952] <... futex resumed>) = 1 [pid 3951] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3950] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3949] <... futex resumed>) = 0 [pid 3948] <... futex resumed>) = 0 [pid 3946] exit_group(0 [pid 3952] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3951] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3950] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3949] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3948] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3952] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3951] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3949] +++ exited with 0 +++ [pid 3946] <... exit_group resumed>) = ? [pid 3952] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3951] <... mmap resumed>) = 0x7f85c0c15000 [pid 3950] <... clone3 resumed> => {parent_tid=[3954]}, 88) = 3954 [pid 3948] <... futex resumed>) = 0 [pid 3952] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3950] rt_sigprocmask(SIG_SETMASK, [] [pid 3952] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3950] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3952] <... futex resumed>) = 0 [pid 3950] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3953 attached [pid 3952] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3950] <... futex resumed>) = 0 [pid 3948] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3946] +++ exited with 0 +++ [pid 3953] set_robust_list(0x5555810c5760, 24 [pid 3951] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3950] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3948] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3953] <... set_robust_list resumed>) = 0 [pid 3951] <... mprotect resumed>) = 0 [pid 3948] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3946, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3953] rt_sigprocmask(SIG_SETMASK, [] [pid 3952] <... futex resumed>) = 0 [pid 3951] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3948] <... futex resumed>) = 1 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3953] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3952] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3951] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3948] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3953] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3952] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3951] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3953] <... prctl resumed>) = 0 [pid 3952] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3953] setpgid(0, 0 [pid 3952] <... futex resumed>) = 1 [pid 3948] <... futex resumed>) = 0 [pid 3953] <... setpgid resumed>) = 0 [pid 3952] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3951] <... clone3 resumed> => {parent_tid=[3955]}, 88) = 3955 [pid 3948] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3955 attached ci2-android-5-15/strace-static-x86_64: Process 3954 attached [pid 3953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3952] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3953] <... openat resumed>) = 3 [pid 3952] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3953] write(3, "1000", 4 [pid 3952] <... mkdirat resumed>) = 0 [pid 3951] rt_sigprocmask(SIG_SETMASK, [] [pid 3948] <... futex resumed>) = 0 [pid 3955] set_robust_list(0x7f85c0c359a0, 24 [pid 3954] set_robust_list(0x7f85c0c359a0, 24 [pid 3953] <... write resumed>) = 4 [pid 3952] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3951] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3948] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3953] close(3 [pid 3952] <... futex resumed>) = 0 [pid 3951] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3948] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3953] <... close resumed>) = 0 [pid 3952] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3951] <... futex resumed>) = 0 [pid 3948] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3953] write(1, "executing program\n", 18 [pid 3952] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 3953] <... write resumed>) = 18 [pid 3952] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3951] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3948] <... futex resumed>) = 0 [pid 3955] <... set_robust_list resumed>) = 0 [pid 3954] <... set_robust_list resumed>) = 0 [pid 3953] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3952] <... symlinkat resumed>) = 0 [pid 3948] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3953] <... futex resumed>) = 0 [pid 3952] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3948] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3953] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3952] <... futex resumed>) = 0 [pid 3953] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3952] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3948] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3955] rt_sigprocmask(SIG_SETMASK, [] [pid 3954] rt_sigprocmask(SIG_SETMASK, [] [pid 3953] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3952] <... unlinkat resumed>) = 0 [pid 3948] <... futex resumed>) = 0 [pid 3953] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3952] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3948] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... restart_syscall resumed>) = 0 [pid 3954] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3953] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3952] <... futex resumed>) = 0 [pid 3948] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3953] <... mmap resumed>) = 0x7f85c0c15000 [pid 3952] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3948] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3954] mkdirat(AT_FDCWD, "./config", 0777 [pid 3953] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3952] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3953] <... mprotect resumed>) = 0 [pid 3952] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3948] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3955] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3954] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3953] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3952] <... unlinkat resumed>) = 0 [pid 3948] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3954] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3953] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3952] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3948] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3954] <... futex resumed>) = 1 [pid 3953] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3952] <... futex resumed>) = 0 [pid 3950] <... futex resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3948] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 3956 attached [pid 3955] mkdirat(AT_FDCWD, "./config", 0777 [pid 3954] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3952] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3950] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3953] <... clone3 resumed> => {parent_tid=[3956]}, 88) = 3956 [pid 3950] <... futex resumed>) = 0 [pid 3953] rt_sigprocmask(SIG_SETMASK, [] [pid 3950] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3955] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3954] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3953] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3952] <... futex resumed>) = ? [pid 3948] <... exit_group resumed>) = ? [pid 3956] set_robust_list(0x7f85c0c359a0, 24 [pid 3955] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3954] mount(NULL, "./config", "configfs", 0, NULL [pid 3953] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3952] +++ exited with 0 +++ [pid 3953] <... futex resumed>) = 0 [pid 3953] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3957 attached [pid 3957] set_robust_list(0x5555810c5760, 24) = 0 [pid 3957] rt_sigprocmask(SIG_SETMASK, [] [pid 3948] +++ exited with 0 +++ [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3957 [pid 3957] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3954] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3948, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3954] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3955] <... futex resumed>) = 1 [pid 3951] <... futex resumed>) = 0 [pid 3951] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3954] <... futex resumed>) = 1 [pid 3951] <... futex resumed>) = 0 [pid 3950] <... futex resumed>) = 0 [pid 3955] mount(NULL, "./config", "configfs", 0, NULL [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3954] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3951] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3950] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3955] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3950] <... futex resumed>) = 0 [pid 3954] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3950] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3956] <... set_robust_list resumed>) = 0 [pid 3955] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3957] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3957] setpgid(0, 0) = 0 [pid 3957] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3956] rt_sigprocmask(SIG_SETMASK, [] [pid 3955] <... futex resumed>) = 1 [pid 3954] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3951] <... futex resumed>) = 0 [pid 3955] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3954] <... futex resumed>) = 1 [pid 3950] <... futex resumed>) = 0 [pid 3955] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3954] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3951] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3950] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3955] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3954] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3951] <... futex resumed>) = 0 [pid 3950] <... futex resumed>) = 0 [pid 3955] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3954] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3951] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3950] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3955] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3954] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3951] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3955] <... futex resumed>) = 0 [pid 3954] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3951] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3955] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3954] <... futex resumed>) = 1 [pid 3951] <... futex resumed>) = 0 [pid 3950] <... futex resumed>) = 0 [pid 3955] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3954] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3951] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3950] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3955] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3954] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3951] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3950] <... futex resumed>) = 0 [pid 3955] <... futex resumed>) = 0 [pid 3954] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3951] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3950] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3955] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3957] <... openat resumed>) = 3 [pid 3955] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3954] <... mkdirat resumed>) = 0 [pid 3951] <... futex resumed>) = 0 [pid 3955] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3954] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3951] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3957] write(3, "1000", 4 [pid 3955] <... futex resumed>) = 0 [pid 3954] <... futex resumed>) = 1 [pid 3951] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3950] <... futex resumed>) = 0 [pid 3957] <... write resumed>) = 4 [pid 3955] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3954] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3951] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3950] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3957] close(3 [pid 3955] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3954] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3951] <... futex resumed>) = 0 [pid 3950] <... futex resumed>) = 0 [pid 3957] <... close resumed>) = 0 [pid 3955] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3954] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3951] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3950] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3957] write(1, "executing program\n", 18 [pid 3955] <... symlinkat resumed>) = 0 [pid 3954] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3955] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 3954] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3955] <... futex resumed>) = 1 [pid 3954] <... futex resumed>) = 1 [pid 3957] <... write resumed>) = 18 [pid 3951] <... futex resumed>) = 0 [pid 3950] <... futex resumed>) = 0 [pid 3957] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3955] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3954] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3951] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3950] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3957] <... futex resumed>) = 0 [pid 3955] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3954] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3951] <... futex resumed>) = 0 [pid 3950] <... futex resumed>) = 0 [pid 3957] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3956] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3955] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3954] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3951] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3950] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3957] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3955] <... unlinkat resumed>) = 0 [pid 3954] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3957] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3956] mkdirat(AT_FDCWD, "./config", 0777 [pid 3955] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3954] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3955] <... futex resumed>) = 1 [pid 3951] <... futex resumed>) = 0 [pid 3957] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3956] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3955] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3954] <... futex resumed>) = 1 [pid 3950] <... futex resumed>) = 0 [pid 3957] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3956] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3955] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3954] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3951] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3950] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3957] <... mmap resumed>) = 0x7f85c0c15000 [pid 3956] <... futex resumed>) = 1 [pid 3955] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3954] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3953] <... futex resumed>) = 0 [pid 3951] <... futex resumed>) = 0 [pid 3950] <... futex resumed>) = 0 [pid 3954] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3953] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3951] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3950] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3957] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3956] mount(NULL, "./config", "configfs", 0, NULL [pid 3955] <... unlinkat resumed>) = 0 [pid 3954] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3953] <... futex resumed>) = 0 [pid 3957] <... mprotect resumed>) = 0 [pid 3955] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3954] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3953] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3955] <... futex resumed>) = 1 [pid 3957] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3954] <... futex resumed>) = 1 [pid 3951] <... futex resumed>) = 0 [pid 3950] <... futex resumed>) = 0 [pid 3957] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3956] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3955] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3954] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3951] exit_group(0 [pid 3950] exit_group(0 [pid 3957] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3956] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3955] <... futex resumed>) = ? [pid 3954] <... futex resumed>) = ? [pid 3951] <... exit_group resumed>) = ? [pid 3950] <... exit_group resumed>) = ? [pid 312] <... restart_syscall resumed>) = 0 [pid 3956] <... futex resumed>) = 1 [pid 3955] +++ exited with 0 +++ [pid 3954] +++ exited with 0 +++ [pid 3953] <... futex resumed>) = 0 [pid 3951] +++ exited with 0 +++ [pid 3950] +++ exited with 0 +++ [pid 3957] <... clone3 resumed> => {parent_tid=[3958]}, 88) = 3958 [pid 3956] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3953] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3957] rt_sigprocmask(SIG_SETMASK, [] [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3951, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3953] <... futex resumed>) = 0 [pid 3957] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3956] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3953] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3950, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3957] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3956] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3957] <... futex resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3957] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3956] <... futex resumed>) = 1 [pid 3953] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3958 attached [pid 3958] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3958] rt_sigprocmask(SIG_SETMASK, [] [pid 3956] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3953] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3959 [pid 3953] <... futex resumed>) = 0 [pid 3958] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3956] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3953] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3956] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3958] mkdirat(AT_FDCWD, "./config", 0777 [pid 3956] <... futex resumed>) = 1 [pid 3953] <... futex resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 3958] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3953] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3956] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3953] <... futex resumed>) = 0 [pid 3953] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3956] <... mkdirat resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3958] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3956] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3958] <... futex resumed>) = 1 [pid 3958] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 3959 attached [pid 3959] set_robust_list(0x5555810c5760, 24) = 0 [pid 3957] <... futex resumed>) = 0 [pid 3956] <... futex resumed>) = 1 [pid 3957] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3953] <... futex resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3960 [pid 3957] <... futex resumed>) = 1 [pid 3953] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3957] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3953] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3956] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3953] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3958] <... futex resumed>) = 0 [pid 3958] mount(NULL, "./config", "configfs", 0, NULL [pid 3956] <... symlinkat resumed>) = 0 [pid 3958] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3958] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3957] <... futex resumed>) = 0 [pid 3956] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3957] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3956] <... futex resumed>) = 1 [pid 3953] <... futex resumed>) = 0 [pid 3957] <... futex resumed>) = 0 [pid 3956] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3953] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3957] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3956] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3953] <... futex resumed>) = 0 [pid 3956] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3953] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... restart_syscall resumed>) = 0 [pid 3958] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3956] <... unlinkat resumed>) = 0 [pid 3958] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3956] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3958] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3953] <... futex resumed>) = 0 [pid 3956] <... futex resumed>) = 1 [pid 3953] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3956] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3953] <... futex resumed>) = 0 [pid 3958] <... futex resumed>) = 1 [pid 3958] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3959] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3957] <... futex resumed>) = 0 [pid 3953] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3961 [pid 3957] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3959] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3958] <... futex resumed>) = 0 [pid 3957] <... futex resumed>) = 1 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3956] <... unlinkat resumed>) = 0 [pid 3957] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3956] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3956] <... futex resumed>) = 1 [pid 3953] <... futex resumed>) = 0 [pid 3956] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3953] exit_group(0 [pid 3958] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3956] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 3953] <... exit_group resumed>) = ? [pid 3958] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3958] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3958] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3959] <... prctl resumed>) = 0 [pid 3959] setpgid(0, 0) = 0 [pid 3959] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3956] +++ exited with 0 +++ [pid 3953] +++ exited with 0 +++ [pid 3957] <... futex resumed>) = 0 [pid 3959] write(3, "1000", 4 [pid 3957] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3953, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3957] <... futex resumed>) = 1 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3957] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3958] <... futex resumed>) = 0 [pid 3958] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777ci2-android-5-15/strace-static-x86_64: Process 3961 attached ) = 0 [pid 3958] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3959] <... write resumed>) = 4 [pid 3958] <... futex resumed>) = 1 [pid 3959] close(3 [pid 3958] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3959] <... close resumed>) = 0 [pid 3957] <... futex resumed>) = 0 [pid 3959] write(1, "executing program\n", 18 [pid 3957] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3959] <... write resumed>) = 18 [pid 3958] <... futex resumed>) = 0 executing program [pid 3957] <... futex resumed>) = 1 [pid 3961] set_robust_list(0x5555810c5760, 24 [pid 3959] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3958] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3961] <... set_robust_list resumed>) = 0 [pid 3959] <... futex resumed>) = 0 [pid 3958] <... symlinkat resumed>) = 0 [pid 3957] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3959] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3958] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3959] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3958] <... futex resumed>) = 0 [pid 3957] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3959] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3958] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3957] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3959] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3958] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3957] <... futex resumed>) = 0 [pid 3959] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3958] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3957] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3959] <... mmap resumed>) = 0x7f85c0c15000 [pid 3958] <... unlinkat resumed>) = 0 [pid 3959] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3958] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3959] <... mprotect resumed>) = 0 [pid 3958] <... futex resumed>) = 1 [pid 3957] <... futex resumed>) = 0 [pid 3961] rt_sigprocmask(SIG_SETMASK, [] [pid 3959] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3958] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3957] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3959] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3958] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3957] <... futex resumed>) = 0 [pid 3961] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3959] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3958] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3957] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3962 attached ci2-android-5-15/strace-static-x86_64: Process 3960 attached [pid 3961] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3958] <... unlinkat resumed>) = 0 [pid 3960] set_robust_list(0x5555810c5760, 24 [pid 3959] <... clone3 resumed> => {parent_tid=[3962]}, 88) = 3962 [pid 3958] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3961] <... prctl resumed>) = 0 [pid 3960] <... set_robust_list resumed>) = 0 [pid 3959] rt_sigprocmask(SIG_SETMASK, [] [pid 3958] <... futex resumed>) = 1 [pid 3957] <... futex resumed>) = 0 [pid 3962] set_robust_list(0x7f85c0c359a0, 24 [pid 3961] setpgid(0, 0 [pid 3960] rt_sigprocmask(SIG_SETMASK, [] [pid 3959] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3958] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3961] <... setpgid resumed>) = 0 [pid 3960] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3959] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3957] exit_group(0 [pid 3962] <... set_robust_list resumed>) = 0 [pid 3961] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3960] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3959] <... futex resumed>) = 0 [pid 3958] <... futex resumed>) = ? [pid 3957] <... exit_group resumed>) = ? [pid 3961] <... openat resumed>) = 3 [pid 3960] <... prctl resumed>) = 0 [pid 3959] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3958] +++ exited with 0 +++ [pid 311] <... restart_syscall resumed>) = 0 [pid 3960] setpgid(0, 0) = 0 [pid 3960] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3957] +++ exited with 0 +++ [pid 3960] write(3, "1000", 4) = 4 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3957, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3960] close(3 [pid 3961] write(3, "1000", 4 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3960] <... close resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3961] <... write resumed>) = 4 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3961] close(3 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3960] write(1, "executing program\n", 18) = 18 [pid 3960] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3961] <... close resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3963 [pid 3960] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3960] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3960] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3964 [pid 3961] write(1, "executing program\n", 18 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3961] <... write resumed>) = 18 executing program executing program [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3961] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3961] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3960] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3960] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 3963 attached [pid 3962] rt_sigprocmask(SIG_SETMASK, [] [pid 3961] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3960] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3960] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[3965]}, 88) = 3965 [pid 3962] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3961] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3960] rt_sigprocmask(SIG_SETMASK, [] [pid 3961] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3960] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3961] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3960] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3961] <... mmap resumed>) = 0x7f85c0c15000 [pid 3960] <... futex resumed>) = 0 [pid 3961] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3960] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3961] <... mprotect resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3964 attached [pid 3961] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3964] set_robust_list(0x5555810c5760, 24 [pid 3961] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3961] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3964] <... set_robust_list resumed>) = 0 [pid 3964] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3961] <... clone3 resumed> => {parent_tid=[3966]}, 88) = 3966 [pid 3962] mkdirat(AT_FDCWD, "./config", 0777 [pid 3961] rt_sigprocmask(SIG_SETMASK, [] [pid 3964] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3962] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3961] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3964] <... prctl resumed>) = 0 [pid 3962] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3961] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3964] setpgid(0, 0 [pid 3961] <... futex resumed>) = 0 [pid 3962] <... futex resumed>) = 1 [pid 3959] <... futex resumed>) = 0 [pid 3964] <... setpgid resumed>) = 0 [pid 3961] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3959] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3966 attached [pid 3964] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3963] set_robust_list(0x5555810c5760, 24 [pid 3962] mount(NULL, "./config", "configfs", 0, NULL [pid 3959] <... futex resumed>) = 0 [pid 3964] <... openat resumed>) = 3 [pid 3959] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3964] write(3, "1000", 4 [pid 3962] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3964] <... write resumed>) = 4 [pid 3964] close(3) = 0 [pid 3964] write(1, "executing program\n", 18 [pid 3966] set_robust_list(0x7f85c0c359a0, 24 [pid 3963] <... set_robust_list resumed>) = 0 [pid 3962] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3964] <... write resumed>) = 18 [pid 3964] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 3964] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3966] <... set_robust_list resumed>) = 0 [pid 3963] rt_sigprocmask(SIG_SETMASK, [] [pid 3962] <... futex resumed>) = 1 [pid 3959] <... futex resumed>) = 0 [pid 3959] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3959] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3965 attached [pid 3965] set_robust_list(0x7f85c0c359a0, 24 [pid 3963] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3962] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3965] <... set_robust_list resumed>) = 0 [pid 3962] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3965] rt_sigprocmask(SIG_SETMASK, [] [pid 3963] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3962] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3965] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3963] <... prctl resumed>) = 0 [pid 3962] <... futex resumed>) = 1 [pid 3959] <... futex resumed>) = 0 [pid 3963] setpgid(0, 0 [pid 3962] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3959] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3962] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3959] <... futex resumed>) = 0 [pid 3963] <... setpgid resumed>) = 0 [pid 3962] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3959] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3965] mkdirat(AT_FDCWD, "./config", 0777 [pid 3963] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3962] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3965] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3962] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3965] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3963] <... openat resumed>) = 3 [pid 3962] <... futex resumed>) = 1 [pid 3960] <... futex resumed>) = 0 [pid 3959] <... futex resumed>) = 0 [pid 3965] mount(NULL, "./config", "configfs", 0, NULL [pid 3963] write(3, "1000", 4 [pid 3962] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3960] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3959] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3966] rt_sigprocmask(SIG_SETMASK, [] [pid 3964] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3963] <... write resumed>) = 4 [pid 3962] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3960] <... futex resumed>) = 0 [pid 3959] <... futex resumed>) = 0 [pid 3966] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3965] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3964] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3963] close(3 [pid 3962] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3960] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3959] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3965] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3962] <... mkdirat resumed>) = 0 [pid 3964] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3963] <... close resumed>) = 0 [pid 3962] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3965] <... futex resumed>) = 1 [pid 3964] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3963] write(1, "executing program\n", 18 [pid 3962] <... futex resumed>) = 1 [pid 3960] <... futex resumed>) = 0 [pid 3959] <... futex resumed>) = 0 [pid 3965] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3964] <... mmap resumed>) = 0x7f85c0c15000 [pid 3963] <... write resumed>) = 18 executing program [pid 3962] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3960] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3959] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3965] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3964] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3963] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3962] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3960] <... futex resumed>) = 0 [pid 3959] <... futex resumed>) = 0 [pid 3966] mkdirat(AT_FDCWD, "./config", 0777 [pid 3965] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3964] <... mprotect resumed>) = 0 [pid 3963] <... futex resumed>) = 0 [pid 3962] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3960] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3959] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3965] <... futex resumed>) = 0 [pid 3963] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3962] <... symlinkat resumed>) = 0 [pid 3960] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3966] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3965] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3964] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3963] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3962] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3960] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3966] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3965] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3964] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3963] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3962] <... futex resumed>) = 1 [pid 3960] <... futex resumed>) = 0 [pid 3959] <... futex resumed>) = 0 [pid 3965] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3960] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3959] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3965] <... futex resumed>) = 0 [pid 3960] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3959] <... futex resumed>) = 0 [pid 3965] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3960] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3959] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3966] <... futex resumed>) = 1 [pid 3965] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3964] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3963] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3962] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3961] <... futex resumed>) = 0 [pid 3960] <... futex resumed>) = 0 [pid 3965] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3963] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3962] <... unlinkat resumed>) = 0 [pid 3961] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3960] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3966] mount(NULL, "./config", "configfs", 0, NULL [pid 3965] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3963] <... mmap resumed>) = 0x7f85c0c15000 [pid 3962] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3961] <... futex resumed>) = 0 [pid 3965] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3964] <... clone3 resumed> => {parent_tid=[3967]}, 88) = 3967 [pid 3963] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3962] <... futex resumed>) = 1 [pid 3961] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3959] <... futex resumed>) = 0 [pid 3966] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3966] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3965] <... futex resumed>) = 1 [pid 3964] rt_sigprocmask(SIG_SETMASK, [] [pid 3963] <... mprotect resumed>) = 0 [pid 3962] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3960] <... futex resumed>) = 0 [pid 3959] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3966] <... futex resumed>) = 1 [pid 3965] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3964] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3963] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3962] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3961] <... futex resumed>) = 0 [pid 3960] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3959] <... futex resumed>) = 0 [pid 3966] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3965] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3964] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3963] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3962] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3961] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3960] <... futex resumed>) = 0 [pid 3959] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3966] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3965] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3964] <... futex resumed>) = 0 [pid 3963] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3962] <... unlinkat resumed>) = 0 [pid 3961] <... futex resumed>) = 0 [pid 3960] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3965] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3964] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3962] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3961] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3966] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3965] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3962] <... futex resumed>) = 1 [pid 3959] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3968 attached [pid 3966] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3965] <... futex resumed>) = 1 [pid 3963] <... clone3 resumed> => {parent_tid=[3968]}, 88) = 3968 [pid 3962] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3960] <... futex resumed>) = 0 [pid 3959] exit_group(0 [pid 3966] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3965] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3963] rt_sigprocmask(SIG_SETMASK, [] [pid 3962] <... futex resumed>) = ? [pid 3960] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3959] <... exit_group resumed>) = ? [pid 3968] set_robust_list(0x7f85c0c359a0, 24 [pid 3966] <... futex resumed>) = 1 [pid 3965] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3963] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3962] +++ exited with 0 +++ [pid 3961] <... futex resumed>) = 0 [pid 3960] <... futex resumed>) = 0 [pid 3959] +++ exited with 0 +++ [pid 3966] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3965] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3963] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3961] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3960] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3968] <... set_robust_list resumed>) = 0 [pid 3966] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3965] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3963] <... futex resumed>) = 0 [pid 3961] <... futex resumed>) = 0 [pid 3966] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3965] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3963] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3961] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3959, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 3967 attached [pid 3966] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3965] <... futex resumed>) = 1 [pid 3960] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3967] set_robust_list(0x7f85c0c359a0, 24 [pid 3966] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3965] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3960] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3967] <... set_robust_list resumed>) = 0 [pid 3966] <... futex resumed>) = 1 [pid 3965] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3961] <... futex resumed>) = 0 [pid 3960] <... futex resumed>) = 0 [pid 3967] rt_sigprocmask(SIG_SETMASK, [] [pid 3966] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3965] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3961] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3960] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3968] rt_sigprocmask(SIG_SETMASK, [] [pid 3967] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3966] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3965] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3961] <... futex resumed>) = 0 [pid 3967] mkdirat(AT_FDCWD, "./config", 0777 [pid 3966] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3965] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3961] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3967] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3965] <... futex resumed>) = 1 [pid 3960] <... futex resumed>) = 0 [pid 3967] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3966] <... mkdirat resumed>) = 0 [pid 3965] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3960] exit_group(0 [pid 3967] <... futex resumed>) = 1 [pid 3966] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3965] <... futex resumed>) = ? [pid 3964] <... futex resumed>) = 0 [pid 3960] <... exit_group resumed>) = ? [pid 3968] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3967] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3966] <... futex resumed>) = 1 [pid 3965] +++ exited with 0 +++ [pid 3964] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3961] <... futex resumed>) = 0 [pid 3960] +++ exited with 0 +++ [pid 3966] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3964] <... futex resumed>) = 0 [pid 3961] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3968] mkdirat(AT_FDCWD, "./config", 0777 [pid 3966] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3964] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3961] <... futex resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3960, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3968] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3967] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3966] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3961] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3968] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3966] <... symlinkat resumed>) = 0 [pid 3968] <... futex resumed>) = 1 [pid 3966] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3963] <... futex resumed>) = 0 [pid 3968] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3966] <... futex resumed>) = 1 [pid 3963] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3961] <... futex resumed>) = 0 [pid 3968] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3966] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3963] <... futex resumed>) = 0 [pid 3961] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3968] mount(NULL, "./config", "configfs", 0, NULL [pid 3966] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3963] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3961] <... futex resumed>) = 0 [pid 3968] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3966] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3961] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3968] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3967] mount(NULL, "./config", "configfs", 0, NULL [pid 3966] <... unlinkat resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 3968] <... futex resumed>) = 1 [pid 3966] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3963] <... futex resumed>) = 0 [pid 3968] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3967] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3966] <... futex resumed>) = 1 [pid 3963] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3961] <... futex resumed>) = 0 [pid 3968] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3967] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3966] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3963] <... futex resumed>) = 0 [pid 3961] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3968] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3967] <... futex resumed>) = 1 [pid 3966] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3964] <... futex resumed>) = 0 [pid 3963] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3961] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3968] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3967] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3966] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3964] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3961] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... restart_syscall resumed>) = 0 [pid 3968] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3967] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3966] <... unlinkat resumed>) = 0 [pid 3964] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3969 attached [pid 3968] <... futex resumed>) = 1 [pid 3967] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3966] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3964] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3963] <... futex resumed>) = 0 [pid 3969] set_robust_list(0x5555810c5760, 24 [pid 3968] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3967] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3966] <... futex resumed>) = 1 [pid 3963] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3961] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3969 [pid 3969] <... set_robust_list resumed>) = 0 [pid 3968] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3967] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3966] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3963] <... futex resumed>) = 0 [pid 3961] exit_group(0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3969] rt_sigprocmask(SIG_SETMASK, [] [pid 3968] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3967] <... futex resumed>) = 1 [pid 3966] <... futex resumed>) = ? [pid 3964] <... futex resumed>) = 0 [pid 3963] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3961] <... exit_group resumed>) = ? [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3969] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3968] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3967] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3966] +++ exited with 0 +++ [pid 3964] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3967] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3964] <... futex resumed>) = 0 [pid 3967] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3964] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3967] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3967] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3961] +++ exited with 0 +++ [pid 3967] <... futex resumed>) = 1 [pid 3964] <... futex resumed>) = 0 [pid 3967] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3964] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3961, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3968] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3969] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3968] <... futex resumed>) = 1 [pid 3967] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3964] <... futex resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3963] <... futex resumed>) = 0 [pid 3969] <... prctl resumed>) = 0 [pid 3968] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3967] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3964] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3967] <... mkdirat resumed>) = 0 [pid 3969] setpgid(0, 0 [pid 3968] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3967] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3963] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3970 [pid 3969] <... setpgid resumed>) = 0 [pid 3968] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3967] <... futex resumed>) = 1 [pid 3964] <... futex resumed>) = 0 [pid 3963] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3969] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3968] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3967] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3964] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3963] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3968] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3967] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3964] <... futex resumed>) = 0 [pid 3963] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3967] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3964] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3969] <... openat resumed>) = 3 [pid 3968] <... futex resumed>) = 0 [pid 3967] <... symlinkat resumed>) = 0 [pid 3963] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3969] write(3, "1000", 4 [pid 3968] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3967] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3963] <... futex resumed>) = 0 [pid 3969] <... write resumed>) = 4 [pid 3968] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3967] <... futex resumed>) = 1 [pid 3964] <... futex resumed>) = 0 [pid 3963] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3971 [pid 3969] close(3 [pid 3968] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3967] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3964] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3963] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3969] <... close resumed>) = 0 [pid 3968] <... futex resumed>) = 0 [pid 3967] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3964] <... futex resumed>) = 0 [pid 3963] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3969] write(1, "executing program\n", 18 [pid 3968] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3967] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 executing program [pid 3964] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3963] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3969] <... write resumed>) = 18 [pid 3968] <... unlinkat resumed>) = 0 [pid 3967] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3963] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3969] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3968] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3967] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3963] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ci2-android-5-15/strace-static-x86_64: Process 3971 attached ci2-android-5-15/strace-static-x86_64: Process 3970 attached [pid 3969] <... futex resumed>) = 0 [pid 3968] <... futex resumed>) = 0 [pid 3967] <... futex resumed>) = 1 [pid 3964] <... futex resumed>) = 0 [pid 3963] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3970] set_robust_list(0x5555810c5760, 24 [pid 3969] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3968] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3967] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3964] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3970] <... set_robust_list resumed>) = 0 [pid 3967] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3964] <... futex resumed>) = 0 [pid 3963] <... futex resumed>) = 0 [pid 3970] rt_sigprocmask(SIG_SETMASK, [] [pid 3969] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3968] <... unlinkat resumed>) = 0 [pid 3967] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3964] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3963] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3971] set_robust_list(0x5555810c5760, 24 [pid 3970] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3969] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3968] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3967] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3963] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3971] <... set_robust_list resumed>) = 0 [pid 3970] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3969] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3968] <... futex resumed>) = 0 [pid 3967] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3970] <... prctl resumed>) = 0 [pid 3969] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3968] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3967] <... futex resumed>) = 1 [pid 3964] <... futex resumed>) = 0 [pid 3963] exit_group(0 [pid 3971] rt_sigprocmask(SIG_SETMASK, [] [pid 3970] setpgid(0, 0 [pid 3969] <... mmap resumed>) = 0x7f85c0c15000 [pid 3967] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3964] exit_group(0 [pid 3963] <... exit_group resumed>) = ? [pid 3968] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 3971] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3970] <... setpgid resumed>) = 0 [pid 3969] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3967] <... futex resumed>) = ? [pid 3964] <... exit_group resumed>) = ? [pid 3971] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3970] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3969] <... mprotect resumed>) = 0 [pid 3968] +++ exited with 0 +++ [pid 3967] +++ exited with 0 +++ [pid 3964] +++ exited with 0 +++ [pid 3963] +++ exited with 0 +++ [pid 3970] <... openat resumed>) = 3 [pid 3970] write(3, "1000", 4) = 4 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3964, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3963, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3971] <... prctl resumed>) = 0 [pid 3969] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3970] close(3 [pid 3969] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3971] setpgid(0, 0 [pid 3969] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3971] <... setpgid resumed>) = 0 [pid 3970] <... close resumed>) = 0 [pid 3970] write(1, "executing program\n", 18 [pid 3969] <... clone3 resumed> => {parent_tid=[3972]}, 88) = 3972 [pid 3971] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3969] rt_sigprocmask(SIG_SETMASK, [] [pid 3970] <... write resumed>) = 18 [pid 3969] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 3970] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3969] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3971] <... openat resumed>) = 3 [pid 3970] <... futex resumed>) = 0 [pid 3969] <... futex resumed>) = 0 [pid 3970] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3971] write(3, "1000", 4 [pid 3970] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3969] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3971] <... write resumed>) = 4 [pid 3970] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3970] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3970] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3971] close(3 [pid 3970] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3971] <... close resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 3970] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0}ci2-android-5-15/strace-static-x86_64: Process 3973 attached [pid 3971] write(1, "executing program\n", 18 [pid 3970] <... clone3 resumed> => {parent_tid=[3973]}, 88) = 3973 [pid 3971] <... write resumed>) = 18 [pid 3970] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 executing program [pid 3971] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3970] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3970] <... futex resumed>) = 0 [pid 3971] <... futex resumed>) = 0 [pid 3970] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3971] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... restart_syscall resumed>) = 0 [pid 3971] <... rt_sigaction resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3972 attached [pid 3972] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3972] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3972] mkdirat(AT_FDCWD, "./config", 0777 [pid 3971] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3974 [pid 3971] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3971] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3971] <... mmap resumed>) = 0x7f85c0c15000 [pid 3971] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3971] <... mprotect resumed>) = 0 [pid 3972] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3972] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3972] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 3974 attached [pid 3974] set_robust_list(0x5555810c5760, 24 [pid 3969] <... futex resumed>) = 0 [pid 3971] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3969] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3975 [pid 3971] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3969] <... futex resumed>) = 1 [pid 3971] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3969] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 3972] <... futex resumed>) = 0 [pid 3972] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3971] <... clone3 resumed> => {parent_tid=[3976]}, 88) = 3976 [pid 3971] rt_sigprocmask(SIG_SETMASK, [] [pid 3972] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3971] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3972] <... futex resumed>) = 1 [pid 3971] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3969] <... futex resumed>) = 0 [pid 3971] <... futex resumed>) = 0 [pid 3969] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3971] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3969] <... futex resumed>) = 0 [pid 3972] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3969] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3972] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3972] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3969] <... futex resumed>) = 0 [pid 3969] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3972] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3969] <... futex resumed>) = 0 [pid 3972] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3969] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3972] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3969] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3972] <... futex resumed>) = 0 [pid 3969] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3972] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3969] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3976 attached [pid 3973] set_robust_list(0x7f85c0c359a0, 24 [pid 3972] <... mkdirat resumed>) = 0 [pid 3969] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3972] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3972] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3974] <... set_robust_list resumed>) = 0 [pid 3969] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3969] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3972] <... futex resumed>) = 0 [pid 3969] <... futex resumed>) = 1 [pid 3969] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3972] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3976] set_robust_list(0x7f85c0c359a0, 24 [pid 3974] rt_sigprocmask(SIG_SETMASK, [] [pid 3973] <... set_robust_list resumed>) = 0 [pid 3972] <... symlinkat resumed>) = 0 [pid 3974] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3972] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3974] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3972] <... futex resumed>) = 1 [pid 3969] <... futex resumed>) = 0 [pid 3976] <... set_robust_list resumed>) = 0 [pid 3973] rt_sigprocmask(SIG_SETMASK, [] [pid 3969] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3974] <... prctl resumed>) = 0 [pid 3972] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3969] <... futex resumed>) = 0 [pid 3976] rt_sigprocmask(SIG_SETMASK, [] [pid 3974] setpgid(0, 0 [pid 3973] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3972] <... unlinkat resumed>) = 0 [pid 3969] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3974] <... setpgid resumed>) = 0 [pid 3972] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3974] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3973] mkdirat(AT_FDCWD, "./config", 0777 [pid 3972] <... futex resumed>) = 1 [pid 3969] <... futex resumed>) = 0 [pid 3976] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3969] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3973] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3969] <... futex resumed>) = 0 [pid 3974] <... openat resumed>) = 3 [pid 3973] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3972] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3969] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3976] mkdirat(AT_FDCWD, "./config", 0777 [pid 3974] write(3, "1000", 4 [pid 3973] <... futex resumed>) = 1 [pid 3972] <... unlinkat resumed>) = 0 [pid 3970] <... futex resumed>) = 0 [pid 3974] <... write resumed>) = 4 [pid 3972] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3970] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3974] close(3 [pid 3973] mount(NULL, "./config", "configfs", 0, NULL [pid 3972] <... futex resumed>) = 1 [pid 3970] <... futex resumed>) = 0 [pid 3969] <... futex resumed>) = 0 [pid 3974] <... close resumed>) = 0 [pid 3972] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3970] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3974] write(1, "executing program\n", 18 [pid 3973] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3969] exit_group(0 [pid 3974] <... write resumed>) = 18 [pid 3973] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3972] <... futex resumed>) = ? executing program [pid 3969] <... exit_group resumed>) = ? [pid 3974] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3973] <... futex resumed>) = 1 [pid 3972] +++ exited with 0 +++ [pid 3970] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3975 attached [pid 3974] <... futex resumed>) = 0 [pid 3970] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3975] set_robust_list(0x5555810c5760, 24 [pid 3974] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3970] <... futex resumed>) = 0 [pid 3975] <... set_robust_list resumed>) = 0 [pid 3974] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3970] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3969] +++ exited with 0 +++ [pid 3975] rt_sigprocmask(SIG_SETMASK, [] [pid 3974] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3973] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3975] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3974] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3969, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3976] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3975] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3974] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3973] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3975] <... prctl resumed>) = 0 [pid 3974] <... mmap resumed>) = 0x7f85c0c15000 [pid 3975] setpgid(0, 0 [pid 3974] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3973] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3975] <... setpgid resumed>) = 0 [pid 3974] <... mprotect resumed>) = 0 [pid 3976] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3975] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3974] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3973] <... futex resumed>) = 1 [pid 3970] <... futex resumed>) = 0 [pid 3975] <... openat resumed>) = 3 [pid 3976] <... futex resumed>) = 1 [pid 3974] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3973] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3971] <... futex resumed>) = 0 [pid 3970] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3976] mount(NULL, "./config", "configfs", 0, NULL [pid 3975] write(3, "1000", 4 [pid 3974] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3973] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3971] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3970] <... futex resumed>) = 0 [pid 3975] <... write resumed>) = 4 [pid 3973] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3971] <... futex resumed>) = 0 [pid 3970] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... restart_syscall resumed>) = 0 [pid 3976] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3975] close(3 [pid 3974] <... clone3 resumed> => {parent_tid=[3977]}, 88) = 3977 [pid 3973] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3971] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3976] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3975] <... close resumed>) = 0 [pid 3974] rt_sigprocmask(SIG_SETMASK, [] [pid 3973] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3971] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3976] <... futex resumed>) = 0 [pid 3975] write(1, "executing program\n", 18 [pid 3974] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3973] <... futex resumed>) = 1 [pid 3971] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 3970] <... futex resumed>) = 0 [pid 3976] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3975] <... write resumed>) = 18 [pid 3974] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3973] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3971] <... futex resumed>) = 0 [pid 3970] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3976] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3975] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3974] <... futex resumed>) = 0 [pid 3973] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3971] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3970] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3976] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3975] <... futex resumed>) = 0 [pid 3974] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3973] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3971] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3970] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3977 attached [pid 3976] <... futex resumed>) = 0 [pid 3975] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 3973] <... mkdirat resumed>) = 0 [pid 3971] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3977] set_robust_list(0x7f85c0c359a0, 24 [pid 3976] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3975] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3973] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3971] <... futex resumed>) = 0 [pid 3975] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3975] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 3975] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3975] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3973] <... futex resumed>) = 1 [pid 3971] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3970] <... futex resumed>) = 0 [pid 3976] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3976] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3975] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3973] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3970] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3978 [pid 3976] <... futex resumed>) = 1 [pid 3975] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3973] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3971] <... futex resumed>) = 0 [pid 3970] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3978 attached [pid 3976] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3973] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3971] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3970] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3976] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3975] <... clone3 resumed> => {parent_tid=[3979]}, 88) = 3979 [pid 3973] <... symlinkat resumed>) = 0 [pid 3971] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3976] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3975] rt_sigprocmask(SIG_SETMASK, [] [pid 3973] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3971] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3976] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3975] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3973] <... futex resumed>) = 1 [pid 3970] <... futex resumed>) = 0 [pid 3976] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3975] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3973] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3970] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3976] <... futex resumed>) = 1 [pid 3975] <... futex resumed>) = 0 [pid 3973] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3971] <... futex resumed>) = 0 [pid 3970] <... futex resumed>) = 0 [pid 3978] set_robust_list(0x5555810c5760, 24 [pid 3977] <... set_robust_list resumed>) = 0 [pid 3976] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3975] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3973] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3971] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3970] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3979 attached [pid 3978] <... set_robust_list resumed>) = 0 [pid 3977] rt_sigprocmask(SIG_SETMASK, [] [pid 3976] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3973] <... unlinkat resumed>) = 0 [pid 3971] <... futex resumed>) = 0 [pid 3977] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3976] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3973] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3971] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3978] rt_sigprocmask(SIG_SETMASK, [] [pid 3977] mkdirat(AT_FDCWD, "./config", 0777 [pid 3976] <... symlinkat resumed>) = 0 [pid 3973] <... futex resumed>) = 1 [pid 3970] <... futex resumed>) = 0 [pid 3978] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3977] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3976] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3973] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3970] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3978] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3977] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3976] <... futex resumed>) = 1 [pid 3973] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3971] <... futex resumed>) = 0 [pid 3970] <... futex resumed>) = 0 [pid 3978] <... prctl resumed>) = 0 [pid 3977] <... futex resumed>) = 1 [pid 3976] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3974] <... futex resumed>) = 0 [pid 3973] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3971] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3970] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3978] setpgid(0, 0 [pid 3977] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3976] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3974] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3973] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3971] <... futex resumed>) = 0 [pid 3978] <... setpgid resumed>) = 0 [pid 3977] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3976] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3974] <... futex resumed>) = 0 [pid 3973] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3971] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3978] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3977] mount(NULL, "./config", "configfs", 0, NULL [pid 3976] <... unlinkat resumed>) = 0 [pid 3974] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3973] <... futex resumed>) = 1 [pid 3970] <... futex resumed>) = 0 [pid 3979] set_robust_list(0x7f85c0c359a0, 24 [pid 3978] <... openat resumed>) = 3 [pid 3977] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3976] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3973] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3970] exit_group(0 [pid 3979] <... set_robust_list resumed>) = 0 [pid 3978] write(3, "1000", 4 [pid 3977] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3976] <... futex resumed>) = 1 [pid 3973] <... futex resumed>) = ? [pid 3971] <... futex resumed>) = 0 [pid 3970] <... exit_group resumed>) = ? [pid 3979] rt_sigprocmask(SIG_SETMASK, [] [pid 3978] <... write resumed>) = 4 [pid 3977] <... futex resumed>) = 1 [pid 3976] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3974] <... futex resumed>) = 0 [pid 3973] +++ exited with 0 +++ [pid 3971] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3970] +++ exited with 0 +++ [pid 3979] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3978] close(3 [pid 3977] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3976] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3974] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3971] <... futex resumed>) = 0 [pid 3979] mkdirat(AT_FDCWD, "./config", 0777 [pid 3978] <... close resumed>) = 0 [pid 3977] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3976] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3974] <... futex resumed>) = 0 [pid 3971] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3970, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3979] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3978] write(1, "executing program\n", 18 [pid 3977] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3979] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3978] <... write resumed>) = 18 executing program [pid 3976] <... unlinkat resumed>) = 0 [pid 3974] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3979] <... futex resumed>) = 1 [pid 3978] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3977] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3976] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3975] <... futex resumed>) = 0 [pid 3979] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3978] <... futex resumed>) = 0 [pid 3977] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3976] <... futex resumed>) = 1 [pid 3975] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3971] <... futex resumed>) = 0 [pid 3979] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3978] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3977] <... futex resumed>) = 1 [pid 3976] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3975] <... futex resumed>) = 0 [pid 3974] <... futex resumed>) = 0 [pid 3971] exit_group(0 [pid 3979] mount(NULL, "./config", "configfs", 0, NULL [pid 3978] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3977] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3975] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3974] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3971] <... exit_group resumed>) = ? [pid 3976] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 3979] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3978] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3977] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3974] <... futex resumed>) = 0 [pid 3979] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3978] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3979] <... futex resumed>) = 1 [pid 3978] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3975] <... futex resumed>) = 0 [pid 3979] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3978] <... mmap resumed>) = 0x7f85c0c15000 [pid 3975] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3974] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3979] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3978] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3975] <... futex resumed>) = 0 [pid 3979] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3978] <... mprotect resumed>) = 0 [pid 3976] +++ exited with 0 +++ [pid 3975] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3971] +++ exited with 0 +++ [pid 3979] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3978] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3977] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3979] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3978] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3979] <... futex resumed>) = 1 [pid 3978] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3975] <... futex resumed>) = 0 [pid 3979] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3977] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3975] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3971, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3979] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3978] <... clone3 resumed> => {parent_tid=[3980]}, 88) = 3980 [pid 3977] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3975] <... futex resumed>) = 0 [pid 3979] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3978] rt_sigprocmask(SIG_SETMASK, [] [pid 3977] <... futex resumed>) = 1 [pid 3975] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3974] <... futex resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3979] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3978] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3977] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3974] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... restart_syscall resumed>) = 0 [pid 3979] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3978] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3977] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3974] <... futex resumed>) = 0 [pid 3979] <... futex resumed>) = 1 [pid 3978] <... futex resumed>) = 0 [pid 3977] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3975] <... futex resumed>) = 0 [pid 3974] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... restart_syscall resumed>) = 0 [pid 3979] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3978] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3975] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3979] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3977] <... mkdirat resumed>) = 0 [pid 3975] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3979] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3977] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3975] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3979] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3977] <... futex resumed>) = 1 [pid 3974] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3979] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3977] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3974] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3979] <... futex resumed>) = 1 [pid 3975] <... futex resumed>) = 0 [pid 3979] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3975] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3979] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3975] <... futex resumed>) = 0 [pid 3979] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3977] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3975] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3974] <... futex resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 3981 attached [pid 3979] <... symlinkat resumed>) = 0 [pid 3977] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3974] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3979] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3975] <... futex resumed>) = 0 [pid 3979] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3975] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3979] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3975] <... futex resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3981 [pid 3979] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3977] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3975] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3982 [pid 3979] <... unlinkat resumed>) = 0 [pid 3977] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3979] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3977] <... futex resumed>) = 1 [pid 3974] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3979] <... futex resumed>) = 1 [pid 3977] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3975] <... futex resumed>) = 0 [pid 3974] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3979] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3977] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3975] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3974] <... futex resumed>) = 0 [pid 3979] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3977] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3975] <... futex resumed>) = 0 [pid 3974] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3979] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3977] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3975] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3980 attached [pid 3981] set_robust_list(0x5555810c5760, 24 [pid 3979] <... unlinkat resumed>) = 0 [pid 3977] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3980] set_robust_list(0x7f85c0c359a0, 24 [pid 3979] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3980] <... set_robust_list resumed>) = 0 [pid 3979] <... futex resumed>) = 1 [pid 3977] <... futex resumed>) = 1 [pid 3975] <... futex resumed>) = 0 [pid 3974] <... futex resumed>) = 0 [pid 3980] rt_sigprocmask(SIG_SETMASK, [] [pid 3979] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3977] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3975] exit_group(0 [pid 3974] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3981] <... set_robust_list resumed>) = 0 [pid 3980] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3979] <... futex resumed>) = ? [pid 3977] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3975] <... exit_group resumed>) = ? [pid 3974] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3982 attached [pid 3981] rt_sigprocmask(SIG_SETMASK, [] [pid 3980] mkdirat(AT_FDCWD, "./config", 0777 [pid 3979] +++ exited with 0 +++ [pid 3977] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3975] +++ exited with 0 +++ [pid 3974] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3982] set_robust_list(0x5555810c5760, 24 [pid 3981] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3977] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3975, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3977] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3977] <... futex resumed>) = 1 [pid 3974] <... futex resumed>) = 0 [pid 3981] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3977] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3981] <... prctl resumed>) = 0 [pid 3980] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3974] exit_group(0 [pid 3980] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3977] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 3974] <... exit_group resumed>) = ? [pid 3981] setpgid(0, 0 [pid 3977] +++ exited with 0 +++ [pid 3980] <... futex resumed>) = 1 [pid 3978] <... futex resumed>) = 0 [pid 3980] mount(NULL, "./config", "configfs", 0, NULL [pid 3978] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3980] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3978] <... futex resumed>) = 0 [pid 3980] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3978] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3974] +++ exited with 0 +++ [pid 3981] <... setpgid resumed>) = 0 [pid 3980] <... futex resumed>) = 0 [pid 3978] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3980] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3978] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3982] <... set_robust_list resumed>) = 0 [pid 3981] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3980] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3978] <... futex resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3974, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3980] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3978] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3980] <... futex resumed>) = 0 [pid 3978] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3980] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3978] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3980] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3978] <... futex resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3981] <... openat resumed>) = 3 [pid 3980] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3978] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3980] <... futex resumed>) = 0 [pid 3978] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3980] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3978] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3982] rt_sigprocmask(SIG_SETMASK, [] [pid 3981] write(3, "1000", 4 [pid 3980] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3978] <... futex resumed>) = 0 [pid 3980] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3978] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3980] <... mkdirat resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 3982] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3981] <... write resumed>) = 4 [pid 3980] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3978] <... futex resumed>) = 0 [pid 3981] close(3 [pid 3980] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3978] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3982] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3981] <... close resumed>) = 0 [pid 3980] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3978] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3980] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3978] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3982] <... prctl resumed>) = 0 [pid 3981] write(1, "executing program\n", 18 [pid 3980] <... symlinkat resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3982] setpgid(0, 0 [pid 3981] <... write resumed>) = 18 [pid 3980] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3978] <... futex resumed>) = 0 [pid 3980] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3978] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3980] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3978] <... futex resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 executing program [pid 3982] <... setpgid resumed>) = 0 [pid 3981] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3980] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3978] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3983 [pid 3982] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3981] <... futex resumed>) = 0 [pid 3980] <... unlinkat resumed>) = 0 [pid 3980] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3981] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3980] <... futex resumed>) = 1 [pid 3978] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3982] <... openat resumed>) = 3 [pid 3981] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3980] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3978] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3982] write(3, "1000", 4 [pid 3981] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3980] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3978] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 3983 attached [pid 3982] <... write resumed>) = 4 [pid 3981] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3980] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3978] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3982] close(3 [pid 3981] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3980] <... unlinkat resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3982] <... close resumed>) = 0 [pid 3981] <... mmap resumed>) = 0x7f85c0c15000 [pid 3980] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3978] <... futex resumed>) = 0 [pid 3980] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3978] exit_group(0 [pid 3982] write(1, "executing program\n", 18 [pid 3981] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3980] <... futex resumed>) = ? [pid 3978] <... exit_group resumed>) = ? executing program ci2-android-5-15/strace-static-x86_64: Process 3984 attached [pid 3982] <... write resumed>) = 18 [pid 3981] <... mprotect resumed>) = 0 [pid 3980] +++ exited with 0 +++ [pid 3978] +++ exited with 0 +++ [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3984 [pid 3983] set_robust_list(0x5555810c5760, 24 [pid 3981] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3982] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3978, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3981] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3982] <... futex resumed>) = 0 [pid 3981] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3982] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3983] <... set_robust_list resumed>) = 0 [pid 3983] rt_sigprocmask(SIG_SETMASK, [] [pid 3982] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3982] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3981] <... clone3 resumed> => {parent_tid=[3985]}, 88) = 3985 [pid 3982] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3981] rt_sigprocmask(SIG_SETMASK, [] [pid 3982] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3981] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3982] <... mmap resumed>) = 0x7f85c0c15000 [pid 3981] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3982] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3981] <... futex resumed>) = 0 [pid 3982] <... mprotect resumed>) = 0 [pid 3981] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3983] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3982] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3983] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3982] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3983] <... prctl resumed>) = 0 [pid 3982] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3983] setpgid(0, 0) = 0 [pid 3983] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3982] <... clone3 resumed> => {parent_tid=[3986]}, 88) = 3986 [pid 3983] write(3, "1000", 4 [pid 3982] rt_sigprocmask(SIG_SETMASK, [] [pid 3984] set_robust_list(0x5555810c5760, 24 [pid 3982] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3983] <... write resumed>) = 4 [pid 3982] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3983] close(3 [pid 3982] <... futex resumed>) = 0 [pid 3983] <... close resumed>) = 0 [pid 3982] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3983] write(1, "executing program\n", 18) = 18 [pid 3983] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3983] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} executing program [pid 3984] <... set_robust_list resumed>) = 0 [pid 3983] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3983] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1]ci2-android-5-15/strace-static-x86_64: Process 3985 attached , NULL, 8) = 0 [pid 3985] set_robust_list(0x7f85c0c359a0, 24 [pid 3983] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3984] rt_sigprocmask(SIG_SETMASK, [] [pid 3985] <... set_robust_list resumed>) = 0 [pid 3983] <... mmap resumed>) = 0x7f85c0c15000 [pid 3985] rt_sigprocmask(SIG_SETMASK, [] [pid 3983] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3985] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3983] <... mprotect resumed>) = 0 [pid 3985] mkdirat(AT_FDCWD, "./config", 0777 [pid 3984] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3983] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3985] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3983] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3984] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3985] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3983] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0}ci2-android-5-15/strace-static-x86_64: Process 3987 attached [pid 3985] <... futex resumed>) = 1 [pid 3984] <... prctl resumed>) = 0 [pid 3981] <... futex resumed>) = 0 [pid 3985] mount(NULL, "./config", "configfs", 0, NULL [pid 3984] setpgid(0, 0 [pid 3983] <... clone3 resumed> => {parent_tid=[3987]}, 88) = 3987 [pid 3981] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3985] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3984] <... setpgid resumed>) = 0 [pid 3983] rt_sigprocmask(SIG_SETMASK, [] [pid 3987] set_robust_list(0x7f85c0c359a0, 24 [pid 3981] <... futex resumed>) = 0 [pid 3985] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3983] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3981] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3985] <... futex resumed>) = 0 [pid 3984] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3983] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3981] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3985] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3983] <... futex resumed>) = 0 [pid 3981] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3985] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3984] <... openat resumed>) = 3 [pid 3983] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3981] <... futex resumed>) = 0 [pid 3985] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3984] write(3, "1000", 4 [pid 3981] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3985] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3984] <... write resumed>) = 4 [pid 3985] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3981] <... futex resumed>) = 0 [pid 3984] close(3 [pid 3981] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3984] <... close resumed>) = 0 [pid 3981] <... futex resumed>) = 0 [pid 3984] write(1, "executing program\n", 18 [pid 3981] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3984] <... write resumed>) = 18 executing program [pid 3985] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3984] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 3986 attached [pid 3985] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3984] <... futex resumed>) = 0 [pid 3986] set_robust_list(0x7f85c0c359a0, 24 [pid 3985] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3984] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3987] <... set_robust_list resumed>) = 0 [pid 3984] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3986] <... set_robust_list resumed>) = 0 [pid 3985] <... futex resumed>) = 1 [pid 3984] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3981] <... futex resumed>) = 0 [pid 3986] rt_sigprocmask(SIG_SETMASK, [] [pid 3985] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3984] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3981] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3987] rt_sigprocmask(SIG_SETMASK, [] [pid 3985] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3984] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3981] <... futex resumed>) = 0 [pid 3985] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3984] <... mmap resumed>) = 0x7f85c0c15000 [pid 3981] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3987] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3986] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3985] <... mkdirat resumed>) = 0 [pid 3984] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 312] <... restart_syscall resumed>) = 0 [pid 3985] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3984] <... mprotect resumed>) = 0 [pid 3985] <... futex resumed>) = 1 [pid 3981] <... futex resumed>) = 0 [pid 3985] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3984] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3981] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3985] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3984] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3981] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3986] mkdirat(AT_FDCWD, "./config", 0777 [pid 3985] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3984] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3981] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3987] mkdirat(AT_FDCWD, "./config", 0777 [pid 3986] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3985] <... symlinkat resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3985] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3981] <... futex resumed>) = 0 [pid 3985] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3981] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3985] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3981] <... futex resumed>) = 0 [pid 3985] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3981] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3986] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3985] <... unlinkat resumed>) = 0 [pid 3984] <... clone3 resumed> => {parent_tid=[3988]}, 88) = 3988 [pid 3987] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3985] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3986] <... futex resumed>) = 1 [pid 3987] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3985] <... futex resumed>) = 1 [pid 3984] rt_sigprocmask(SIG_SETMASK, [] [pid 3982] <... futex resumed>) = 0 [pid 3981] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3989 [pid 3987] <... futex resumed>) = 1 [pid 3986] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3985] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3984] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3983] <... futex resumed>) = 0 [pid 3982] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3981] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 3987] mount(NULL, "./config", "configfs", 0, NULL [pid 3986] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3985] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3984] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3983] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3982] <... futex resumed>) = 0 [pid 3981] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3989 attached [pid 3987] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3986] mount(NULL, "./config", "configfs", 0, NULL [pid 3985] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3984] <... futex resumed>) = 0 [pid 3983] <... futex resumed>) = 0 [pid 3982] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3981] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3989] set_robust_list(0x5555810c5760, 24 [pid 3987] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3986] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3985] <... unlinkat resumed>) = 0 [pid 3984] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3983] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3987] <... futex resumed>) = 0 [pid 3986] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3985] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3983] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3985] <... futex resumed>) = 1 [pid 3983] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3981] <... futex resumed>) = 0 [pid 3985] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3983] <... futex resumed>) = 0 [pid 3981] exit_group(0 [pid 3985] <... futex resumed>) = ? [pid 3983] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3981] <... exit_group resumed>) = ? [pid 3989] <... set_robust_list resumed>) = 0 [pid 3987] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3986] <... futex resumed>) = 1 [pid 3985] +++ exited with 0 +++ [pid 3982] <... futex resumed>) = 0 [pid 3981] +++ exited with 0 +++ [pid 3986] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3982] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3987] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3986] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3982] <... futex resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3981, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3987] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3986] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3982] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3989] rt_sigprocmask(SIG_SETMASK, [] [pid 3987] <... futex resumed>) = 1 [pid 3986] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3983] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 3988 attached [pid 3989] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3987] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3986] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3983] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3988] set_robust_list(0x7f85c0c359a0, 24 [pid 3989] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3987] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3986] <... futex resumed>) = 1 [pid 3983] <... futex resumed>) = 0 [pid 3982] <... futex resumed>) = 0 [pid 3989] <... prctl resumed>) = 0 [pid 3988] <... set_robust_list resumed>) = 0 [pid 3987] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3986] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3983] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3982] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3989] setpgid(0, 0 [pid 3988] rt_sigprocmask(SIG_SETMASK, [] [pid 3987] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3986] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3982] <... futex resumed>) = 0 [pid 3989] <... setpgid resumed>) = 0 [pid 3987] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3986] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3988] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3987] <... futex resumed>) = 1 [pid 3983] <... futex resumed>) = 0 [pid 3982] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3988] mkdirat(AT_FDCWD, "./config", 0777 [pid 3987] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3986] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3983] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3988] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3987] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3986] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3983] <... futex resumed>) = 0 [pid 3989] <... openat resumed>) = 3 [pid 3988] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3987] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3986] <... futex resumed>) = 1 [pid 3983] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3982] <... futex resumed>) = 0 [pid 3989] write(3, "1000", 4 [pid 3988] <... futex resumed>) = 1 [pid 3987] <... mkdirat resumed>) = 0 [pid 3986] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3984] <... futex resumed>) = 0 [pid 3982] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3989] <... write resumed>) = 4 [pid 3988] mount(NULL, "./config", "configfs", 0, NULL [pid 3987] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3986] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3984] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3982] <... futex resumed>) = 0 [pid 3989] close(3 [pid 3988] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3987] <... futex resumed>) = 1 [pid 3986] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3984] <... futex resumed>) = 0 [pid 3983] <... futex resumed>) = 0 [pid 3982] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3989] <... close resumed>) = 0 [pid 3988] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3987] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3986] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3984] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3983] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3989] write(1, "executing program\n", 18 [pid 3988] <... futex resumed>) = 0 [pid 3987] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3986] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3984] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 3983] <... futex resumed>) = 0 [pid 3989] <... write resumed>) = 18 [pid 3988] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3987] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3986] <... futex resumed>) = 1 [pid 3984] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3983] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3982] <... futex resumed>) = 0 [pid 3989] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3988] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3987] <... symlinkat resumed>) = 0 [pid 3986] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3984] <... futex resumed>) = 0 [pid 3982] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3989] <... futex resumed>) = 0 [pid 3988] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3987] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3986] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3984] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3982] <... futex resumed>) = 0 [pid 3989] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3988] <... futex resumed>) = 0 [pid 3987] <... futex resumed>) = 1 [pid 3986] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3984] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3983] <... futex resumed>) = 0 [pid 3982] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3989] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3988] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3987] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3986] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3984] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3983] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3989] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3988] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3987] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3986] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3984] <... futex resumed>) = 0 [pid 3983] <... futex resumed>) = 0 [pid 3989] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3988] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3987] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3986] <... futex resumed>) = 1 [pid 3984] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3983] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3982] <... futex resumed>) = 0 [pid 3989] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3988] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3987] <... unlinkat resumed>) = 0 [pid 3986] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3982] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3989] <... mmap resumed>) = 0x7f85c0c15000 [pid 3988] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3987] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3986] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3982] <... futex resumed>) = 0 [pid 3989] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3988] <... futex resumed>) = 1 [pid 3987] <... futex resumed>) = 1 [pid 3986] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3984] <... futex resumed>) = 0 [pid 3983] <... futex resumed>) = 0 [pid 3982] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3989] <... mprotect resumed>) = 0 [pid 3988] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3987] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3986] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3984] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3983] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3989] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3988] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3987] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3986] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3984] <... futex resumed>) = 0 [pid 3983] <... futex resumed>) = 0 [pid 3989] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3988] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3987] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3986] <... futex resumed>) = 1 [pid 3984] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3983] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3982] <... futex resumed>) = 0 [pid 3989] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3988] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3987] <... unlinkat resumed>) = 0 [pid 3988] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3986] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3982] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... restart_syscall resumed>) = 0 [pid 3989] <... clone3 resumed> => {parent_tid=[3990]}, 88) = 3990 [pid 3988] <... futex resumed>) = 1 [pid 3987] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3986] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3984] <... futex resumed>) = 0 [pid 3982] <... futex resumed>) = 0 [pid 3989] rt_sigprocmask(SIG_SETMASK, [] [pid 3988] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3987] <... futex resumed>) = 1 [pid 3986] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3984] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3983] <... futex resumed>) = 0 [pid 3982] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3989] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3988] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3987] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3986] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3984] <... futex resumed>) = 0 [pid 3983] exit_group(0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3989] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3988] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3987] <... futex resumed>) = ? [pid 3986] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3984] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3983] <... exit_group resumed>) = ? [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3989] <... futex resumed>) = 0 [pid 3988] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3987] +++ exited with 0 +++ [pid 3986] <... futex resumed>) = 1 [pid 3982] <... futex resumed>) = 0 [pid 3988] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3984] <... futex resumed>) = 0 [pid 3988] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3984] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3988] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3984] <... futex resumed>) = 0 [pid 3988] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3984] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3988] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3983] +++ exited with 0 +++ [pid 3982] exit_group(0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3989] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3988] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3982] <... exit_group resumed>) = ? [pid 3988] <... futex resumed>) = 1 [pid 3984] <... futex resumed>) = 0 [pid 3988] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3984] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3988] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3984] <... futex resumed>) = 0 [pid 3988] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3984] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3983, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3988] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3988] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3984] <... futex resumed>) = 0 [pid 3988] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3984] exit_group(0 [pid 3988] <... futex resumed>) = ? [pid 3984] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 3991 attached [pid 3988] +++ exited with 0 +++ [pid 3986] +++ exited with 0 +++ [pid 3984] +++ exited with 0 +++ [pid 3982] +++ exited with 0 +++ [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 3991 ci2-android-5-15/strace-static-x86_64: Process 3990 attached [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3982, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3984, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3990] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3990] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3990] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 3991] set_robust_list(0x5555810c5760, 24 [pid 3990] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3989] <... futex resumed>) = 0 [pid 3990] mount(NULL, "./config", "configfs", 0, NULL [pid 3989] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3990] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3989] <... futex resumed>) = 0 [pid 3991] <... set_robust_list resumed>) = 0 [pid 3989] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3990] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3989] <... futex resumed>) = 0 [pid 3990] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3989] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3990] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3989] <... futex resumed>) = 0 [pid 3990] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3989] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3990] <... futex resumed>) = 0 [pid 3989] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3990] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3989] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3991] rt_sigprocmask(SIG_SETMASK, [] [pid 3989] <... futex resumed>) = 0 [pid 3991] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3990] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3989] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3990] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3991] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3989] <... futex resumed>) = 0 [pid 3990] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3991] <... prctl resumed>) = 0 [pid 3989] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3991] setpgid(0, 0 [pid 3990] <... mkdirat resumed>) = 0 [pid 3989] <... futex resumed>) = 0 [pid 3990] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3989] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3991] <... setpgid resumed>) = 0 [pid 3989] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3990] <... futex resumed>) = 0 [pid 3989] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3990] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3989] <... futex resumed>) = 0 [pid 3991] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3989] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3991] <... openat resumed>) = 3 [pid 3990] <... symlinkat resumed>) = 0 [pid 3990] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3989] <... futex resumed>) = 0 [pid 3991] write(3, "1000", 4 [pid 3989] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3990] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3989] <... futex resumed>) = 0 [pid 3991] <... write resumed>) = 4 [pid 3989] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3990] <... unlinkat resumed>) = 0 [pid 3991] close(3 [pid 3990] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3989] <... futex resumed>) = 0 [pid 3991] <... close resumed>) = 0 [pid 3989] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3990] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3991] write(1, "executing program\n", 18 [pid 3989] <... futex resumed>) = 0 [pid 3991] <... write resumed>) = 18 [pid 3990] <... unlinkat resumed>) = 0 executing program [pid 3989] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... restart_syscall resumed>) = 0 [pid 3990] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3991] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3990] <... futex resumed>) = 1 [pid 3991] <... futex resumed>) = 0 [pid 3989] <... futex resumed>) = 0 [pid 3990] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3989] exit_group(0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3991] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3989] <... exit_group resumed>) = ? [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3990] <... futex resumed>) = ? [pid 3991] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3990] +++ exited with 0 +++ [pid 3989] +++ exited with 0 +++ [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3991] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3991] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0ci2-android-5-15/strace-static-x86_64: Process 3992 attached ) = 0x7f85c0c15000 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3989, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 3992 [pid 3992] set_robust_list(0x5555810c5760, 24 [pid 3991] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 3992] <... set_robust_list resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3991] <... mprotect resumed>) = 0 [pid 3992] rt_sigprocmask(SIG_SETMASK, [] [pid 3991] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... restart_syscall resumed>) = 0 [pid 3992] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3991] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3991] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 312] <... restart_syscall resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3992] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3992] <... prctl resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3991] <... clone3 resumed> => {parent_tid=[3993]}, 88) = 3993 [pid 3991] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3991] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3991] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3992] setpgid(0, 0ci2-android-5-15/strace-static-x86_64: Process 3993 attached [pid 3993] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3993] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3993] mkdirat(AT_FDCWD, "./config", 0777 [pid 304] <... restart_syscall resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 3994 [pid 3992] <... setpgid resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 3995 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3992] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3993] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3993] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3991] <... futex resumed>) = 0 [pid 3991] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3991] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3993] <... futex resumed>) = 1 [pid 3993] mount(NULL, "./config", "configfs", 0, NULL [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 3996 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3992] <... openat resumed>) = 3 [pid 3993] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3993] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3991] <... futex resumed>) = 0 [pid 3991] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3991] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 3996 attached ci2-android-5-15/strace-static-x86_64: Process 3994 attached [pid 3992] write(3, "1000", 4 [pid 3993] <... futex resumed>) = 1 [pid 3993] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3993] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3992] <... write resumed>) = 4 [pid 3993] <... futex resumed>) = 1 [pid 3991] <... futex resumed>) = 0 [pid 3992] close(3 [pid 3991] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3992] <... close resumed>) = 0 [pid 3991] <... futex resumed>) = 0 [pid 3993] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3992] write(1, "executing program\n", 18 executing program [pid 3991] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3993] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3992] <... write resumed>) = 18 [pid 3993] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3991] <... futex resumed>) = 0 [pid 3992] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3991] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3993] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3992] <... futex resumed>) = 0 [pid 3991] <... futex resumed>) = 0 [pid 3993] <... mkdirat resumed>) = 0 [pid 3994] set_robust_list(0x5555810c5760, 24 [pid 3992] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3991] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3996] set_robust_list(0x5555810c5760, 24 [pid 3992] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3993] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3992] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3991] <... futex resumed>) = 0 [pid 3992] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3991] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3992] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3991] <... futex resumed>) = 0 [pid 3992] <... mmap resumed>) = 0x7f85c0c15000 [pid 3993] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3992] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3991] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3992] <... mprotect resumed>) = 0 [pid 3993] <... symlinkat resumed>) = 0 [pid 3992] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3993] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3996] <... set_robust_list resumed>) = 0 [pid 3994] <... set_robust_list resumed>) = 0 [pid 3992] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3993] <... futex resumed>) = 1 [pid 3992] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3991] <... futex resumed>) = 0 [pid 3993] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3991] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3993] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3991] <... futex resumed>) = 0 [pid 3993] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3991] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3994] rt_sigprocmask(SIG_SETMASK, [] [pid 3992] <... clone3 resumed> => {parent_tid=[3997]}, 88) = 3997 [pid 3996] rt_sigprocmask(SIG_SETMASK, [] [pid 3994] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3992] rt_sigprocmask(SIG_SETMASK, [] [pid 3994] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3993] <... unlinkat resumed>) = 0 [pid 3992] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3996] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3994] <... prctl resumed>) = 0 [pid 3992] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3993] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3994] setpgid(0, 0 [pid 3996] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3992] <... futex resumed>) = 0 [pid 3993] <... futex resumed>) = 1 [pid 3992] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3994] <... setpgid resumed>) = 0 [pid 3991] <... futex resumed>) = 0 [pid 3996] <... prctl resumed>) = 0 [pid 3991] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3994] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3996] setpgid(0, 0 [pid 3991] <... futex resumed>) = 0 [pid 3993] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3991] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3996] <... setpgid resumed>) = 0 [pid 3996] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3994] <... openat resumed>) = 3 [pid 3993] <... unlinkat resumed>) = 0 [pid 3993] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3991] <... futex resumed>) = 0 [pid 3993] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3991] exit_group(0 [pid 3996] <... openat resumed>) = 3 [pid 3994] write(3, "1000", 4 [pid 3991] <... exit_group resumed>) = ? [pid 3993] <... futex resumed>) = ? [pid 3996] write(3, "1000", 4 [pid 3994] <... write resumed>) = 4 [pid 3993] +++ exited with 0 +++ [pid 3991] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 3995 attached [pid 3996] <... write resumed>) = 4 [pid 3994] close(3 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3991, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3995] set_robust_list(0x5555810c5760, 24 [pid 3996] close(3 [pid 3994] <... close resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3995] <... set_robust_list resumed>) = 0 [pid 3994] write(1, "executing program\n", 18 [pid 3996] <... close resumed>) = 0 executing program [pid 3994] <... write resumed>) = 18 [pid 3995] rt_sigprocmask(SIG_SETMASK, [] [pid 3996] write(1, "executing program\n", 18 [pid 3995] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3994] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3996] <... write resumed>) = 18 executing program [pid 3994] <... futex resumed>) = 0 [pid 3996] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3994] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3996] <... futex resumed>) = 0 [pid 3995] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3994] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3995] <... prctl resumed>) = 0 [pid 3994] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3996] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3995] setpgid(0, 0) = 0 [pid 3995] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3996] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3994] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 3997 attached [pid 3997] set_robust_list(0x7f85c0c359a0, 24 [pid 3996] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3995] <... openat resumed>) = 3 [pid 3994] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3996] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3995] write(3, "1000", 4 [pid 3994] <... mmap resumed>) = 0x7f85c0c15000 [pid 3996] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3995] <... write resumed>) = 4 [pid 3994] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3996] <... mmap resumed>) = 0x7f85c0c15000 [pid 3995] close(3 [pid 3996] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3994] <... mprotect resumed>) = 0 [pid 3997] <... set_robust_list resumed>) = 0 [pid 3996] <... mprotect resumed>) = 0 [pid 3997] rt_sigprocmask(SIG_SETMASK, [] [pid 3994] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3996] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3995] <... close resumed>) = 0 [pid 3994] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3996] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3995] write(1, "executing program\n", 18 [pid 3994] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3996] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3995] <... write resumed>) = 18 [pid 3997] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3997] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 3994] <... clone3 resumed> => {parent_tid=[3998]}, 88) = 3998 [pid 3995] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3994] rt_sigprocmask(SIG_SETMASK, [] [pid 3996] <... clone3 resumed> => {parent_tid=[3999]}, 88) = 3999 [pid 3995] <... futex resumed>) = 0 [pid 3994] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3996] rt_sigprocmask(SIG_SETMASK, [] [pid 3994] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3995] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3996] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3994] <... futex resumed>) = 0 [pid 3996] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3995] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3996] <... futex resumed>) = 0 [pid 3994] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3996] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3995] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3997] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3997] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3992] <... futex resumed>) = 0 [pid 3995] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3992] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... restart_syscall resumed>) = 0 [pid 3995] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3992] <... futex resumed>) = 0 [pid 3992] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3997] mount(NULL, "./config", "configfs", 0, NULL [pid 3995] <... mmap resumed>) = 0x7f85c0c15000 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3997] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3995] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3995] <... mprotect resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3997] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3997] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 3998 attached [pid 3998] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 3998] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3992] <... futex resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4000 [pid 3992] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3995] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3997] <... futex resumed>) = 0 [pid 3995] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3992] <... futex resumed>) = 1 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 3997] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3995] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3992] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3997] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3997] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3992] <... futex resumed>) = 0 [pid 3997] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3992] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3997] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3995] <... clone3 resumed> => {parent_tid=[4001]}, 88) = 4001 [pid 3992] <... futex resumed>) = 0 [pid 3997] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3995] rt_sigprocmask(SIG_SETMASK, [] [pid 3992] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3997] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3995] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3997] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3995] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3997] <... futex resumed>) = 1 [pid 3992] <... futex resumed>) = 0 [pid 3998] mkdirat(AT_FDCWD, "./config", 0777 [pid 3997] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3995] <... futex resumed>) = 0 [pid 3992] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3998] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3997] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3992] <... futex resumed>) = 0 [pid 3998] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3997] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3995] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4000 attached ci2-android-5-15/strace-static-x86_64: Process 3999 attached [pid 3998] <... futex resumed>) = 1 [pid 3997] <... mkdirat resumed>) = 0 [pid 3994] <... futex resumed>) = 0 [pid 3992] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3999] set_robust_list(0x7f85c0c359a0, 24 [pid 3998] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3997] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3994] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3992] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4000] set_robust_list(0x5555810c5760, 24 [pid 3999] <... set_robust_list resumed>) = 0 [pid 3998] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3997] <... futex resumed>) = 0 [pid 3994] <... futex resumed>) = 0 [pid 3992] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3999] rt_sigprocmask(SIG_SETMASK, [] [pid 3998] mount(NULL, "./config", "configfs", 0, NULL [pid 3997] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3994] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3992] <... futex resumed>) = 0 [pid 4000] <... set_robust_list resumed>) = 0 [pid 3999] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3998] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3997] <... symlinkat resumed>) = 0 [pid 3992] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3999] mkdirat(AT_FDCWD, "./config", 0777 [pid 3998] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3997] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3992] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4000] rt_sigprocmask(SIG_SETMASK, [] [pid 3999] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3998] <... futex resumed>) = 1 [pid 3997] <... futex resumed>) = 0 [pid 3994] <... futex resumed>) = 0 [pid 3992] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4000] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3999] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3998] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3997] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3994] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3992] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4001 attached [pid 4000] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3999] <... futex resumed>) = 1 [pid 3998] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3997] <... unlinkat resumed>) = 0 [pid 3996] <... futex resumed>) = 0 [pid 3994] <... futex resumed>) = 0 [pid 3992] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4000] <... prctl resumed>) = 0 [pid 3999] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3998] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3997] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3996] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3994] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3992] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4000] setpgid(0, 0 [pid 3999] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3998] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3997] <... futex resumed>) = 0 [pid 3996] <... futex resumed>) = 0 [pid 3992] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4000] <... setpgid resumed>) = 0 [pid 3999] mount(NULL, "./config", "configfs", 0, NULL [pid 3998] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3997] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3996] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3992] <... futex resumed>) = 0 [pid 4000] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3999] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3998] <... futex resumed>) = 1 [pid 3997] <... unlinkat resumed>) = 0 [pid 3994] <... futex resumed>) = 0 [pid 3992] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3999] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3998] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3997] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3994] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3992] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4000] <... openat resumed>) = 3 [pid 3999] <... futex resumed>) = 1 [pid 3998] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3997] <... futex resumed>) = 0 [pid 3996] <... futex resumed>) = 0 [pid 3994] <... futex resumed>) = 0 [pid 3992] exit_group(0 [pid 4001] set_robust_list(0x7f85c0c359a0, 24 [pid 4000] write(3, "1000", 4 [pid 3999] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3998] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3996] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3994] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3992] <... exit_group resumed>) = ? [pid 4001] <... set_robust_list resumed>) = 0 [pid 4000] <... write resumed>) = 4 [pid 3999] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3998] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3997] +++ exited with 0 +++ [pid 3996] <... futex resumed>) = 0 [pid 4001] rt_sigprocmask(SIG_SETMASK, [] [pid 3999] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3998] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4001] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3999] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3998] <... futex resumed>) = 1 [pid 4001] mkdirat(AT_FDCWD, "./config", 0777 [pid 3999] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3998] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3992] +++ exited with 0 +++ [pid 3996] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4001] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4000] close(3 [pid 3999] <... futex resumed>) = 0 [pid 3996] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3994] <... futex resumed>) = 0 [pid 4001] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4000] <... close resumed>) = 0 [pid 3999] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3996] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3994] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3992, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4001] <... futex resumed>) = 1 [pid 4000] write(1, "executing program\n", 18 [pid 3999] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 3998] <... futex resumed>) = 0 [pid 3996] <... futex resumed>) = 0 [pid 3995] <... futex resumed>) = 0 [pid 3994] <... futex resumed>) = 1 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4001] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4000] <... write resumed>) = 18 [pid 3999] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3998] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3996] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3995] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3994] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4001] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4000] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3999] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3998] <... mkdirat resumed>) = 0 [pid 3995] <... futex resumed>) = 0 [pid 4001] mount(NULL, "./config", "configfs", 0, NULL [pid 4000] <... futex resumed>) = 0 [pid 3999] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3998] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3995] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4001] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4000] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 3999] <... futex resumed>) = 1 [pid 3998] <... futex resumed>) = 1 [pid 3996] <... futex resumed>) = 0 [pid 3994] <... futex resumed>) = 0 [pid 4001] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4000] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 3999] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3998] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3996] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3994] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4001] <... futex resumed>) = 1 [pid 4000] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 3999] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3998] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3996] <... futex resumed>) = 0 [pid 3995] <... futex resumed>) = 0 [pid 3994] <... futex resumed>) = 0 [pid 4001] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4000] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3999] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3998] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3996] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3995] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3994] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4001] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4000] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3999] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3998] <... symlinkat resumed>) = 0 [pid 3995] <... futex resumed>) = 0 [pid 4001] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4000] <... mmap resumed>) = 0x7f85c0c15000 [pid 3999] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3998] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3995] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4001] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4000] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 3999] <... futex resumed>) = 1 [pid 3998] <... futex resumed>) = 1 [pid 3996] <... futex resumed>) = 0 [pid 3994] <... futex resumed>) = 0 [pid 4001] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4000] <... mprotect resumed>) = 0 [pid 3999] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3998] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3996] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3994] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4001] <... futex resumed>) = 1 [pid 4000] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3999] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3998] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3996] <... futex resumed>) = 0 [pid 3995] <... futex resumed>) = 0 [pid 3994] <... futex resumed>) = 0 [pid 4001] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4000] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3999] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3998] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3996] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3995] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3994] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4001] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4000] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 3999] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3998] <... unlinkat resumed>) = 0 [pid 3995] <... futex resumed>) = 0 [pid 4001] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3999] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3998] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3995] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4002 attached [pid 4001] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4000] <... clone3 resumed> => {parent_tid=[4002]}, 88) = 4002 [pid 3999] <... futex resumed>) = 1 [pid 3998] <... futex resumed>) = 1 [pid 3996] <... futex resumed>) = 0 [pid 3994] <... futex resumed>) = 0 [pid 4002] set_robust_list(0x7f85c0c359a0, 24 [pid 4001] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4000] rt_sigprocmask(SIG_SETMASK, [] [pid 3999] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3998] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3996] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3994] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4002] <... set_robust_list resumed>) = 0 [pid 4001] <... futex resumed>) = 1 [pid 4000] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3999] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3998] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3996] <... futex resumed>) = 0 [pid 3995] <... futex resumed>) = 0 [pid 3994] <... futex resumed>) = 0 [pid 4002] rt_sigprocmask(SIG_SETMASK, [] [pid 4001] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4000] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3999] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3998] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3996] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3995] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3994] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4002] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4001] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4000] <... futex resumed>) = 0 [pid 3999] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3998] <... unlinkat resumed>) = 0 [pid 3995] <... futex resumed>) = 0 [pid 4002] mkdirat(AT_FDCWD, "./config", 0777 [pid 4001] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4000] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3999] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3998] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3995] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4002] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4001] <... mkdirat resumed>) = 0 [pid 3999] <... futex resumed>) = 1 [pid 3998] <... futex resumed>) = 1 [pid 3996] <... futex resumed>) = 0 [pid 3994] <... futex resumed>) = 0 [pid 4002] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4001] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3999] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3998] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3996] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... restart_syscall resumed>) = 0 [pid 3994] exit_group(0 [pid 4002] <... futex resumed>) = 1 [pid 4001] <... futex resumed>) = 1 [pid 4000] <... futex resumed>) = 0 [pid 3999] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3998] <... futex resumed>) = ? [pid 3996] <... futex resumed>) = 0 [pid 3995] <... futex resumed>) = 0 [pid 3994] <... exit_group resumed>) = ? [pid 4002] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4001] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4000] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3999] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3998] +++ exited with 0 +++ [pid 3996] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3995] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4002] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4001] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3999] <... unlinkat resumed>) = 0 [pid 4002] mount(NULL, "./config", "configfs", 0, NULL [pid 4001] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3999] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4002] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4001] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4000] <... futex resumed>) = 0 [pid 3999] <... futex resumed>) = 0 [pid 3996] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3995] <... futex resumed>) = 0 [pid 3994] +++ exited with 0 +++ [pid 4002] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4001] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4000] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3999] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3996] exit_group(0 [pid 3995] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3994, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4002] <... futex resumed>) = 0 [pid 4001] <... futex resumed>) = 0 [pid 4000] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3999] <... futex resumed>) = ? [pid 3996] <... exit_group resumed>) = ? [pid 3995] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4002] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4001] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4000] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3999] +++ exited with 0 +++ [pid 4002] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4002] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4002] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4002] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3996] +++ exited with 0 +++ [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3996, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3995] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4002] <... futex resumed>) = 0 [pid 4000] <... futex resumed>) = 1 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4001] <... futex resumed>) = 0 [pid 3995] <... futex resumed>) = 1 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4003 attached [pid 4002] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4001] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4000] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3995] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4003 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4001] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4000] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4001] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3995] <... futex resumed>) = 0 [pid 4001] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3995] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4003] set_robust_list(0x5555810c5760, 24 [pid 4001] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4000] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 3995] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4003] <... set_robust_list resumed>) = 0 [pid 4002] <... futex resumed>) = 0 [pid 4001] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4000] <... futex resumed>) = 1 [pid 3995] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4004 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4003] rt_sigprocmask(SIG_SETMASK, [] [pid 4002] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4001] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4000] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4003] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4002] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4001] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4003] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4002] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4001] <... futex resumed>) = 1 [pid 3995] <... futex resumed>) = 0 [pid 4001] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3995] exit_group(0 [pid 4001] <... futex resumed>) = ? [pid 3995] <... exit_group resumed>) = ? [pid 4003] <... prctl resumed>) = 0 [pid 4002] <... futex resumed>) = 1 [pid 4001] +++ exited with 0 +++ [pid 4000] <... futex resumed>) = 0 [pid 3995] +++ exited with 0 +++ [pid 4002] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4000] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4005 [pid 4003] setpgid(0, 0ci2-android-5-15/strace-static-x86_64: Process 4005 attached [pid 4005] set_robust_list(0x5555810c5760, 24 [pid 4002] <... mkdirat resumed>) = 0 [pid 4000] <... futex resumed>) = 0 [pid 4002] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4000] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3995, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 4003] <... setpgid resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4002] <... futex resumed>) = 0 [pid 4000] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4003] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4002] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4000] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4002] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4000] <... futex resumed>) = 0 [pid 4002] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4000] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4005] <... set_robust_list resumed>) = 0 [pid 4005] rt_sigprocmask(SIG_SETMASK, [] [pid 4003] <... openat resumed>) = 3 [pid 4002] <... symlinkat resumed>) = 0 [pid 4005] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4003] write(3, "1000", 4 [pid 4002] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4005] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4003] <... write resumed>) = 4 [pid 4002] <... futex resumed>) = 1 [pid 4000] <... futex resumed>) = 0 [pid 4003] close(3 [pid 4002] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4000] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4004 attached [pid 4002] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4003] <... close resumed>) = 0 [pid 4000] <... futex resumed>) = 0 executing program [pid 4002] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4004] set_robust_list(0x5555810c5760, 24 [pid 4003] write(1, "executing program\n", 18 [pid 4000] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4004] <... set_robust_list resumed>) = 0 [pid 4003] <... write resumed>) = 18 [pid 4002] <... unlinkat resumed>) = 0 [pid 4005] <... prctl resumed>) = 0 [pid 4002] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4003] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4004] rt_sigprocmask(SIG_SETMASK, [] [pid 4002] <... futex resumed>) = 1 [pid 4000] <... futex resumed>) = 0 [pid 4003] <... futex resumed>) = 0 [pid 4002] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4000] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4004] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4003] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4002] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4000] <... futex resumed>) = 0 [pid 4003] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4002] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4000] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4004] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4003] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4005] setpgid(0, 0 [pid 4004] <... prctl resumed>) = 0 [pid 4003] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4002] <... unlinkat resumed>) = 0 [pid 4005] <... setpgid resumed>) = 0 [pid 4004] setpgid(0, 0 [pid 4003] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4002] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4004] <... setpgid resumed>) = 0 [pid 4003] <... mmap resumed>) = 0x7f85c0c15000 [pid 4002] <... futex resumed>) = 1 [pid 4000] <... futex resumed>) = 0 [pid 4004] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4003] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4002] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4000] exit_group(0 [pid 4003] <... mprotect resumed>) = 0 [pid 4002] <... futex resumed>) = ? [pid 4000] <... exit_group resumed>) = ? [pid 4005] <... openat resumed>) = 3 [pid 4002] +++ exited with 0 +++ [pid 4005] write(3, "1000", 4) = 4 [pid 4005] close(3) = 0 [pid 4005] write(1, "executing program\n", 18) = 18 [pid 4005] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4000] +++ exited with 0 +++ [pid 4005] <... futex resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4000, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4003] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4005] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4003] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4004] <... openat resumed>) = 3 executing program [pid 4005] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4005] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4005] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4005] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4004] write(3, "1000", 4 [pid 4003] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4005] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4004] <... write resumed>) = 4 [pid 4005] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4004] close(3 [pid 4003] <... clone3 resumed> => {parent_tid=[4006]}, 88) = 4006 [pid 4005] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4003] rt_sigprocmask(SIG_SETMASK, [] [pid 4004] <... close resumed>) = 0 [pid 4003] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4004] write(1, "executing program\n", 18 [pid 4003] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4005] <... clone3 resumed> => {parent_tid=[4007]}, 88) = 4007 [pid 4003] <... futex resumed>) = 0 [pid 4004] <... write resumed>) = 18 [pid 4003] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4004] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 4005] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4005] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4005] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4004] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4006 attached [pid 4006] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4006] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4004] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 312] <... restart_syscall resumed>) = 0 [pid 4004] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4004] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4004] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4004] <... mmap resumed>) = 0x7f85c0c15000 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4004] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4006] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4006] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4006] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 4007 attached [pid 4003] <... futex resumed>) = 0 [pid 4004] <... mprotect resumed>) = 0 [pid 4003] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4008 [pid 4007] set_robust_list(0x7f85c0c359a0, 24 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4006] <... futex resumed>) = 0 [pid 4004] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4003] <... futex resumed>) = 1 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4006] mount(NULL, "./config", "configfs", 0, NULL [pid 4004] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4003] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4004] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4007] <... set_robust_list resumed>) = 0 [pid 4007] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4006] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4004] <... clone3 resumed> => {parent_tid=[4009]}, 88) = 4009 [pid 4006] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4004] rt_sigprocmask(SIG_SETMASK, [] [pid 4006] <... futex resumed>) = 1 [pid 4004] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4003] <... futex resumed>) = 0 [pid 4006] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4004] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4006] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4004] <... futex resumed>) = 0 [pid 4003] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4006] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4004] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4003] <... futex resumed>) = 0 [pid 4006] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4003] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4006] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4003] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4006] <... futex resumed>) = 0 [pid 4003] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4006] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4003] <... futex resumed>) = 0 [pid 4003] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4009 attached [pid 4006] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4006] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4007] mkdirat(AT_FDCWD, "./config", 0777 [pid 4006] <... futex resumed>) = 1 [pid 4003] <... futex resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 4006] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4003] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4006] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4003] <... futex resumed>) = 0 [pid 4007] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4006] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4003] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4007] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4005] <... futex resumed>) = 0 [pid 4006] <... mkdirat resumed>) = 0 [pid 4005] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4006] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4005] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4006] <... futex resumed>) = 1 [pid 4005] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4003] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4006] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4003] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4006] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4003] <... futex resumed>) = 0 [pid 4007] <... futex resumed>) = 1 [pid 4007] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 4007] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4005] <... futex resumed>) = 0 [pid 4005] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4006] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4005] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4003] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4010 [pid 4007] <... futex resumed>) = 1 [pid 4006] <... symlinkat resumed>) = 0 [pid 4006] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4006] <... futex resumed>) = 1 [pid 4003] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4006] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4003] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4006] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4003] <... futex resumed>) = 0 [pid 4006] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4003] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4007] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4006] <... unlinkat resumed>) = 0 [pid 4007] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4006] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4003] <... futex resumed>) = 0 [pid 4006] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4003] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4006] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4003] <... futex resumed>) = 0 [pid 4006] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4003] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4007] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4005] <... futex resumed>) = 0 [pid 4007] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4006] <... unlinkat resumed>) = 0 [pid 4005] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4010 attached [pid 4007] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4009] set_robust_list(0x7f85c0c359a0, 24 [pid 4006] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4005] <... futex resumed>) = 0 [pid 4007] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4006] <... futex resumed>) = 1 [pid 4005] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4003] <... futex resumed>) = 0 [pid 4007] <... futex resumed>) = 0 [pid 4006] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4005] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4007] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4005] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4003] exit_group(0 [pid 4010] set_robust_list(0x5555810c5760, 24 [pid 4009] <... set_robust_list resumed>) = 0 [pid 4007] <... mkdirat resumed>) = 0 [pid 4005] <... futex resumed>) = 0 [pid 4003] <... exit_group resumed>) = ? [pid 4007] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4006] <... futex resumed>) = ? [pid 4005] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4007] <... futex resumed>) = 0 [pid 4005] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4007] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4005] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4007] <... symlinkat resumed>) = 0 [pid 4005] <... futex resumed>) = 0 [pid 4007] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4005] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4007] <... futex resumed>) = 0 [pid 4006] +++ exited with 0 +++ [pid 4005] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4003] +++ exited with 0 +++ [pid 4007] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4005] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4007] <... unlinkat resumed>) = 0 [pid 4005] <... futex resumed>) = 0 [pid 4007] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4005] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4003, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4010] <... set_robust_list resumed>) = 0 [pid 4009] rt_sigprocmask(SIG_SETMASK, [] [pid 4005] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 4008 attached [pid 4009] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4005] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4010] rt_sigprocmask(SIG_SETMASK, [] [pid 4009] mkdirat(AT_FDCWD, "./config", 0777 [pid 4008] set_robust_list(0x5555810c5760, 24 [pid 4007] <... futex resumed>) = 0 [pid 4005] <... futex resumed>) = 0 [pid 4008] <... set_robust_list resumed>) = 0 [pid 4005] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4010] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4009] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4008] rt_sigprocmask(SIG_SETMASK, [] [pid 4007] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4008] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4008] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4009] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4008] <... prctl resumed>) = 0 [pid 4007] <... unlinkat resumed>) = 0 [pid 4009] <... futex resumed>) = 1 [pid 4004] <... futex resumed>) = 0 [pid 4008] setpgid(0, 0 [pid 4009] mount(NULL, "./config", "configfs", 0, NULL [pid 4004] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4007] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4004] <... futex resumed>) = 0 [pid 4008] <... setpgid resumed>) = 0 [pid 4009] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4004] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4007] <... futex resumed>) = 1 [pid 4005] <... futex resumed>) = 0 [pid 4009] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4008] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4005] exit_group(0 [pid 4007] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4010] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4009] <... futex resumed>) = 1 [pid 4008] <... openat resumed>) = 3 [pid 4005] <... exit_group resumed>) = ? [pid 4004] <... futex resumed>) = 0 [pid 4009] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4008] write(3, "1000", 4 [pid 4004] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4009] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4008] <... write resumed>) = 4 [pid 4004] <... futex resumed>) = 0 [pid 4008] close(3 [pid 4009] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4004] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4008] <... close resumed>) = 0 [pid 4009] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4009] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4008] write(1, "executing program\n", 18) = 18 [pid 4009] <... futex resumed>) = 1 [pid 4004] <... futex resumed>) = 0 [pid 4007] +++ exited with 0 +++ [pid 4005] +++ exited with 0 +++ executing program [pid 4008] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4004] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4009] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4005, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4004] <... futex resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4004] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4009] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... restart_syscall resumed>) = 0 [pid 4008] <... futex resumed>) = 0 [pid 4009] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4010] <... prctl resumed>) = 0 [pid 4008] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4004] <... futex resumed>) = 0 [pid 4009] <... futex resumed>) = 1 [pid 4010] setpgid(0, 0 [pid 4009] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4004] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4010] <... setpgid resumed>) = 0 [pid 4009] <... mkdirat resumed>) = 0 [pid 4004] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4009] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4004] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4009] <... futex resumed>) = 0 [pid 4004] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4008] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4008] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4008] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4008] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4004] <... futex resumed>) = 0 [pid 4009] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4010] <... openat resumed>) = 3 [pid 4008] <... mprotect resumed>) = 0 [pid 4004] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4011 [pid 4010] write(3, "1000", 4 [pid 4009] <... symlinkat resumed>) = 0 [pid 4008] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4010] <... write resumed>) = 4 [pid 4009] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4008] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4008] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0}ci2-android-5-15/strace-static-x86_64: Process 4012 attached [pid 4010] close(3 [pid 4009] <... futex resumed>) = 1 [pid 4004] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4008] <... clone3 resumed> => {parent_tid=[4012]}, 88) = 4012 [pid 4008] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4008] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4004] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4010] <... close resumed>) = 0 [pid 4009] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4008] <... futex resumed>) = 0 [pid 4004] <... futex resumed>) = 0 [pid 4008] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4004] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4010] write(1, "executing program\n", 18 [pid 4009] <... unlinkat resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4011 attached [pid 4011] set_robust_list(0x5555810c5760, 24) = 0 executing program [pid 4011] rt_sigprocmask(SIG_SETMASK, [] [pid 4010] <... write resumed>) = 18 [pid 4009] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... restart_syscall resumed>) = 0 [pid 4009] <... futex resumed>) = 1 [pid 4004] <... futex resumed>) = 0 [pid 4011] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4004] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4010] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4009] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4004] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4011] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4010] <... futex resumed>) = 0 [pid 4009] <... unlinkat resumed>) = 0 [pid 4004] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4010] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4009] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4004] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4010] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4009] <... futex resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4010] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4009] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4004] exit_group(0 [pid 4011] <... prctl resumed>) = 0 [pid 4011] setpgid(0, 0) = 0 [pid 4011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4010] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4009] <... futex resumed>) = ? [pid 4004] <... exit_group resumed>) = ? [pid 4011] <... openat resumed>) = 3 [pid 4009] +++ exited with 0 +++ [pid 4011] write(3, "1000", 4) = 4 [pid 4011] close(3) = 0 [pid 4011] write(1, "executing program\n", 18) = 18 [pid 4011] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4004] +++ exited with 0 +++ [pid 4011] <... futex resumed>) = 0 [pid 4011] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} executing program [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4004, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4010] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4013 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4011] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4010] <... mmap resumed>) = 0x7f85c0c15000 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4010] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4011] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4010] <... mprotect resumed>) = 0 [pid 4011] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4011] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4011] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4011] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4012] set_robust_list(0x7f85c0c359a0, 24 [pid 4010] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4011] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4010] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4013 attached [pid 4011] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4010] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4013] set_robust_list(0x5555810c5760, 24) = 0 [pid 4011] <... clone3 resumed> => {parent_tid=[4015]}, 88) = 4015 [pid 4010] <... clone3 resumed> => {parent_tid=[4014]}, 88) = 4014 ci2-android-5-15/strace-static-x86_64: Process 4015 attached [pid 4013] rt_sigprocmask(SIG_SETMASK, [] [pid 4012] <... set_robust_list resumed>) = 0 [pid 4011] rt_sigprocmask(SIG_SETMASK, [] [pid 4010] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4011] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4010] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4013] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4011] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4010] <... futex resumed>) = 0 [pid 4013] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4012] rt_sigprocmask(SIG_SETMASK, [] [pid 4011] <... futex resumed>) = 0 [pid 4010] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4013] <... prctl resumed>) = 0 [pid 4012] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4011] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4013] setpgid(0, 0) = 0 [pid 4015] set_robust_list(0x7f85c0c359a0, 24 [pid 4013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4012] mkdirat(AT_FDCWD, "./config", 0777 [pid 4013] <... openat resumed>) = 3 [pid 4012] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4015] <... set_robust_list resumed>) = 0 [pid 4013] write(3, "1000", 4 [pid 4015] rt_sigprocmask(SIG_SETMASK, [] [pid 4012] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4013] <... write resumed>) = 4 [pid 4013] close(3) = 0 [pid 4012] <... futex resumed>) = 1 [pid 4008] <... futex resumed>) = 0 [pid 4013] write(1, "executing program\n", 18 [pid 4008] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4015] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4012] mount(NULL, "./config", "configfs", 0, NULL [pid 4008] <... futex resumed>) = 0 [pid 4008] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4014 attached [pid 4012] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4014] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4014] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 executing program [pid 4015] mkdirat(AT_FDCWD, "./config", 0777 [pid 4014] mkdirat(AT_FDCWD, "./config", 0777 [pid 4013] <... write resumed>) = 18 [pid 4012] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4008] <... futex resumed>) = 0 [pid 4012] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4008] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4008] <... futex resumed>) = 0 [pid 4012] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4008] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4012] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4014] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4012] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4013] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4012] <... futex resumed>) = 1 [pid 4008] <... futex resumed>) = 0 [pid 4013] <... futex resumed>) = 0 [pid 4012] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4008] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4013] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4008] <... futex resumed>) = 0 [pid 4013] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4012] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4008] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4013] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4012] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4014] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4013] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4012] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4014] <... futex resumed>) = 1 [pid 4013] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4012] <... futex resumed>) = 1 [pid 4010] <... futex resumed>) = 0 [pid 4008] <... futex resumed>) = 0 [pid 4014] mount(NULL, "./config", "configfs", 0, NULL [pid 4013] <... mmap resumed>) = 0x7f85c0c15000 [pid 4012] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4010] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4008] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... restart_syscall resumed>) = 0 [pid 4015] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4014] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4013] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4010] <... futex resumed>) = 0 [pid 4008] <... futex resumed>) = 0 [pid 4015] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4014] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4013] <... mprotect resumed>) = 0 [pid 4012] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4010] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4008] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4014] <... futex resumed>) = 0 [pid 4011] <... futex resumed>) = 0 [pid 4010] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4014] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4012] <... mkdirat resumed>) = 0 [pid 4011] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4010] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4015] <... futex resumed>) = 1 [pid 4014] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4013] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4012] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4011] <... futex resumed>) = 0 [pid 4010] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4015] mount(NULL, "./config", "configfs", 0, NULL [pid 4014] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4013] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4012] <... futex resumed>) = 1 [pid 4011] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4010] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4008] <... futex resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4015] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4014] <... futex resumed>) = 0 [pid 4013] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4012] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4010] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4008] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4014] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4010] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4008] <... futex resumed>) = 0 [pid 4014] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4010] <... futex resumed>) = 0 [pid 4008] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4014] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4010] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4015] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4014] <... futex resumed>) = 0 [pid 4012] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4010] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4016 [pid 4014] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4010] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4014] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4013] <... clone3 resumed> => {parent_tid=[4017]}, 88) = 4017 [pid 4012] <... symlinkat resumed>) = 0 [pid 4010] <... futex resumed>) = 0 [pid 4011] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4015] <... futex resumed>) = 1 [pid 4014] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4013] rt_sigprocmask(SIG_SETMASK, [] [pid 4012] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4015] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4011] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4010] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4015] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4014] <... futex resumed>) = 0 [pid 4013] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4012] <... futex resumed>) = 1 [pid 4011] <... futex resumed>) = 0 [pid 4010] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4008] <... futex resumed>) = 0 [pid 4015] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4014] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4013] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4012] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4011] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4010] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4008] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4015] <... futex resumed>) = 0 [pid 4014] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4013] <... futex resumed>) = 0 [pid 4012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4011] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4010] <... futex resumed>) = 0 [pid 4008] <... futex resumed>) = 0 [pid 4015] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4014] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4013] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4012] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4011] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4010] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4008] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4016 attached [pid 4015] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4014] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4012] <... unlinkat resumed>) = 0 [pid 4011] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4017 attached [pid 4016] set_robust_list(0x5555810c5760, 24 [pid 4015] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4014] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4012] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4011] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4016] <... set_robust_list resumed>) = 0 [pid 4015] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4014] <... futex resumed>) = 1 [pid 4012] <... futex resumed>) = 1 [pid 4010] <... futex resumed>) = 0 [pid 4008] <... futex resumed>) = 0 [pid 4017] set_robust_list(0x7f85c0c359a0, 24 [pid 4016] rt_sigprocmask(SIG_SETMASK, [] [pid 4015] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4014] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4012] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4010] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4008] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4016] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4015] <... futex resumed>) = 1 [pid 4014] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4011] <... futex resumed>) = 0 [pid 4010] <... futex resumed>) = 0 [pid 4008] <... futex resumed>) = 0 [pid 4017] <... set_robust_list resumed>) = 0 [pid 4016] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4015] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4014] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4012] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4011] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4010] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4008] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4017] rt_sigprocmask(SIG_SETMASK, [] [pid 4016] <... prctl resumed>) = 0 [pid 4015] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4014] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4012] <... unlinkat resumed>) = 0 [pid 4011] <... futex resumed>) = 0 [pid 4017] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4016] setpgid(0, 0 [pid 4015] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4014] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4012] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4011] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4016] <... setpgid resumed>) = 0 [pid 4014] <... futex resumed>) = 1 [pid 4012] <... futex resumed>) = 1 [pid 4010] <... futex resumed>) = 0 [pid 4008] <... futex resumed>) = 0 [pid 4017] mkdirat(AT_FDCWD, "./config", 0777 [pid 4016] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4015] <... mkdirat resumed>) = 0 [pid 4014] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4012] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4010] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4008] exit_group(0 [pid 4017] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4016] <... openat resumed>) = 3 [pid 4015] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4014] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4012] <... futex resumed>) = ? [pid 4010] <... futex resumed>) = 0 [pid 4008] <... exit_group resumed>) = ? [pid 4017] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4016] write(3, "1000", 4 [pid 4015] <... futex resumed>) = 1 [pid 4014] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4012] +++ exited with 0 +++ [pid 4011] <... futex resumed>) = 0 [pid 4010] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4008] +++ exited with 0 +++ [pid 4016] <... write resumed>) = 4 [pid 4014] <... unlinkat resumed>) = 0 [pid 4017] <... futex resumed>) = 1 [pid 4016] close(3 [pid 4015] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4014] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4013] <... futex resumed>) = 0 [pid 4011] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4008, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4016] <... close resumed>) = 0 [pid 4015] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4014] <... futex resumed>) = 1 [pid 4011] <... futex resumed>) = 0 [pid 4010] <... futex resumed>) = 0 [pid 4013] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4017] mount(NULL, "./config", "configfs", 0, NULL [pid 4016] write(1, "executing program\n", 18 [pid 4015] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4014] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4013] <... futex resumed>) = 0 [pid 4011] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4010] exit_group(0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 4017] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4016] <... write resumed>) = 18 [pid 4015] <... futex resumed>) = 0 [pid 4014] <... futex resumed>) = ? [pid 4013] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4011] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4010] <... exit_group resumed>) = ? [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4017] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4016] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4015] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4014] +++ exited with 0 +++ [pid 4013] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4011] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4010] +++ exited with 0 +++ [pid 4016] <... futex resumed>) = 0 [pid 4016] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4016] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4017] <... futex resumed>) = 0 [pid 4016] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4015] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4013] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4011] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4018 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4010, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4017] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4016] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4015] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4013] <... futex resumed>) = 0 [pid 4011] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 4018 attached [pid 4017] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4016] <... mmap resumed>) = 0x7f85c0c15000 [pid 4015] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4013] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4017] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4016] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4015] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4013] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4017] <... futex resumed>) = 0 [pid 4016] <... mprotect resumed>) = 0 [pid 4015] <... futex resumed>) = 1 [pid 4013] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4011] <... futex resumed>) = 0 [pid 4017] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4016] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4015] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4013] <... futex resumed>) = 0 [pid 4011] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... restart_syscall resumed>) = 0 [pid 4017] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4016] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4015] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4013] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4011] <... futex resumed>) = 0 [pid 4017] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4016] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4015] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4013] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4011] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4018] set_robust_list(0x5555810c5760, 24 [pid 4017] <... futex resumed>) = 0 [pid 4015] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4013] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4018] <... set_robust_list resumed>) = 0 [pid 4017] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4016] <... clone3 resumed> => {parent_tid=[4019]}, 88) = 4019 [pid 4015] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4013] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4018] rt_sigprocmask(SIG_SETMASK, [] [pid 4016] rt_sigprocmask(SIG_SETMASK, [] [pid 4015] <... futex resumed>) = 1 [pid 4013] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4011] <... futex resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4017] <... mkdirat resumed>) = 0 [pid 4018] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4016] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4015] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4011] exit_group(0 [pid 4018] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4016] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4018] <... prctl resumed>) = 0 [pid 4016] <... futex resumed>) = 0 [pid 4018] setpgid(0, 0 [pid 4016] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4011] <... exit_group resumed>) = ? [pid 4015] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 4018] <... setpgid resumed>) = 0 [pid 4017] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4020 [pid 4018] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4018] write(3, "1000", 4) = 4 [pid 4018] close(3) = 0 [pid 4015] +++ exited with 0 +++ [pid 4011] +++ exited with 0 +++ [pid 4018] write(1, "executing program\n", 18 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4011, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4013] <... futex resumed>) = 0 [pid 4017] <... futex resumed>) = 1 [pid 4017] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4013] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4017] <... symlinkat resumed>) = 0 [pid 4013] <... futex resumed>) = 0 [pid 4017] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4013] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4017] <... futex resumed>) = 0 [pid 4013] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4017] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4013] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4017] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4013] <... futex resumed>) = 0 [pid 4018] <... write resumed>) = 18 executing program [pid 4017] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4013] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4017] <... unlinkat resumed>) = 0 [pid 4018] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4017] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4018] <... futex resumed>) = 0 [pid 4017] <... futex resumed>) = 1 [pid 4013] <... futex resumed>) = 0 [pid 4017] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4013] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4017] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4013] <... futex resumed>) = 0 [pid 4017] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4013] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4020 attached [pid 4018] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4017] <... unlinkat resumed>) = 0 [pid 4020] set_robust_list(0x5555810c5760, 24 [pid 4018] <... rt_sigaction resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4019 attached [pid 4020] <... set_robust_list resumed>) = 0 [pid 4018] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4017] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4020] rt_sigprocmask(SIG_SETMASK, [] [pid 4019] set_robust_list(0x7f85c0c359a0, 24 [pid 4018] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4017] <... futex resumed>) = 1 [pid 4020] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4018] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4013] <... futex resumed>) = 0 [pid 4020] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4019] <... set_robust_list resumed>) = 0 [pid 4018] <... mmap resumed>) = 0x7f85c0c15000 [pid 4017] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4020] <... prctl resumed>) = 0 [pid 4018] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4013] exit_group(0 [pid 4020] setpgid(0, 0 [pid 4018] <... mprotect resumed>) = 0 [pid 4020] <... setpgid resumed>) = 0 [pid 4018] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4019] rt_sigprocmask(SIG_SETMASK, [] [pid 4017] <... futex resumed>) = ? [pid 4013] <... exit_group resumed>) = ? [pid 4020] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4018] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4018] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4017] +++ exited with 0 +++ [pid 4018] <... clone3 resumed> => {parent_tid=[4021]}, 88) = 4021 [pid 4018] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4018] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4018] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4013] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 4021 attached [pid 4021] set_robust_list(0x7f85c0c359a0, 24 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4013, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4021] <... set_robust_list resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4021] rt_sigprocmask(SIG_SETMASK, [] [pid 4020] <... openat resumed>) = 3 [pid 4021] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4021] mkdirat(AT_FDCWD, "./config", 0777 [pid 4020] write(3, "1000", 4 [pid 4019] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4021] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4020] <... write resumed>) = 4 [pid 4021] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4020] close(3 [pid 4019] mkdirat(AT_FDCWD, "./config", 0777 [pid 4018] <... futex resumed>) = 0 [pid 4018] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4018] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4021] <... futex resumed>) = 1 [pid 4021] mount(NULL, "./config", "configfs", 0, NULL [pid 4020] <... close resumed>) = 0 [pid 4019] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4021] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4021] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4018] <... futex resumed>) = 0 [pid 4018] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4018] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4021] <... futex resumed>) = 1 [pid 4021] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4021] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4018] <... futex resumed>) = 0 [pid 4018] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4018] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4021] <... futex resumed>) = 1 [pid 4021] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 311] <... restart_syscall resumed>) = 0 [pid 4020] write(1, "executing program\n", 18 [pid 4019] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4020] <... write resumed>) = 18 [pid 4021] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4020] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4019] <... futex resumed>) = 1 [pid 4016] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4020] <... futex resumed>) = 0 [pid 4018] <... futex resumed>) = 0 [pid 4016] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4019] mount(NULL, "./config", "configfs", 0, NULL [pid 4020] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4018] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4016] <... futex resumed>) = 0 [pid 4018] <... futex resumed>) = 0 [pid 4016] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4020] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4018] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4020] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4019] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4022 [pid 4020] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4021] <... futex resumed>) = 1 [pid 4020] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4019] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4020] <... mmap resumed>) = 0x7f85c0c15000 [pid 4019] <... futex resumed>) = 1 [pid 4016] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4020] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4016] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4020] <... mprotect resumed>) = 0 [pid 4019] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4016] <... futex resumed>) = 0 [pid 4020] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4016] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4020] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4019] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4020] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4019] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4021] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4019] <... futex resumed>) = 1 [pid 4016] <... futex resumed>) = 0 [pid 4020] <... clone3 resumed> => {parent_tid=[4023]}, 88) = 4023 [pid 4019] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4016] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4020] rt_sigprocmask(SIG_SETMASK, [] [pid 4019] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4016] <... futex resumed>) = 0 [pid 4020] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4019] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4016] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4020] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4019] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4020] <... futex resumed>) = 0 [pid 4019] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4020] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4019] <... futex resumed>) = 1 [pid 4016] <... futex resumed>) = 0 [pid 4019] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4016] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4019] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4016] <... futex resumed>) = 0 [pid 4019] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4016] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4021] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4019] <... mkdirat resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 4019] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4021] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4019] <... futex resumed>) = 1 [pid 4016] <... futex resumed>) = 0 [pid 4021] <... futex resumed>) = 1 [pid 4019] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4018] <... futex resumed>) = 0 [pid 4016] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4021] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4019] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4018] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4016] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 4023 attached ci2-android-5-15/strace-static-x86_64: Process 4022 attached [pid 4021] <... symlinkat resumed>) = 0 [pid 4019] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4018] <... futex resumed>) = 0 [pid 4016] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4021] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4019] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4018] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4021] <... futex resumed>) = 0 [pid 4019] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4018] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4021] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4018] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4021] <... unlinkat resumed>) = 0 [pid 4018] <... futex resumed>) = 0 [pid 4021] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4018] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4021] <... futex resumed>) = 0 [pid 4019] <... futex resumed>) = 1 [pid 4018] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4016] <... futex resumed>) = 0 [pid 4021] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4019] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4018] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4016] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4024 [pid 4022] set_robust_list(0x5555810c5760, 24 [pid 4021] <... unlinkat resumed>) = 0 [pid 4019] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4018] <... futex resumed>) = 0 [pid 4016] <... futex resumed>) = 0 [pid 4022] <... set_robust_list resumed>) = 0 [pid 4021] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4019] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4018] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4016] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4022] rt_sigprocmask(SIG_SETMASK, [] [pid 4021] <... futex resumed>) = 0 [pid 4019] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4018] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4023] set_robust_list(0x7f85c0c359a0, 24 [pid 4022] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4021] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4019] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4018] exit_group(0 [pid 4021] <... futex resumed>) = ? [pid 4019] <... futex resumed>) = 1 [pid 4018] <... exit_group resumed>) = ? [pid 4016] <... futex resumed>) = 0 [pid 4023] <... set_robust_list resumed>) = 0 [pid 4022] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4021] +++ exited with 0 +++ [pid 4019] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4018] +++ exited with 0 +++ [pid 4016] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4023] rt_sigprocmask(SIG_SETMASK, [] [pid 4022] <... prctl resumed>) = 0 [pid 4019] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4016] <... futex resumed>) = 0 [pid 4023] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4022] setpgid(0, 0 [pid 4019] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4016] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4018, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4022] <... setpgid resumed>) = 0 [pid 4019] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4023] mkdirat(AT_FDCWD, "./config", 0777 [pid 4019] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4022] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4019] <... futex resumed>) = 1 [pid 4016] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4024 attached [pid 4023] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4019] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4016] exit_group(0 [pid 4024] set_robust_list(0x5555810c5760, 24 [pid 4023] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4022] <... openat resumed>) = 3 [pid 4019] <... futex resumed>) = ? [pid 4016] <... exit_group resumed>) = ? [pid 4024] <... set_robust_list resumed>) = 0 [pid 4023] <... futex resumed>) = 1 [pid 4022] write(3, "1000", 4 [pid 4020] <... futex resumed>) = 0 [pid 4019] +++ exited with 0 +++ [pid 4016] +++ exited with 0 +++ [pid 4020] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4022] <... write resumed>) = 4 [pid 4023] mount(NULL, "./config", "configfs", 0, NULL [pid 4020] <... futex resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4016, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4022] close(3 [pid 4020] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4024] rt_sigprocmask(SIG_SETMASK, [] [pid 4023] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4022] <... close resumed>) = 0 [pid 4024] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4024] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4022] write(1, "executing program\n", 18 [pid 4023] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4024] <... prctl resumed>) = 0 [pid 4022] <... write resumed>) = 18 [pid 4022] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 312] <... restart_syscall resumed>) = 0 executing program [pid 4024] setpgid(0, 0 [pid 4023] <... futex resumed>) = 1 [pid 4020] <... futex resumed>) = 0 [pid 4022] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4020] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4024] <... setpgid resumed>) = 0 [pid 4023] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4020] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4023] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4022] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4022] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4022] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4022] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4023] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4022] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4025 [pid 4024] <... openat resumed>) = 3 [pid 4023] <... futex resumed>) = 1 [pid 4022] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4020] <... futex resumed>) = 0 [pid 4024] write(3, "1000", 4 [pid 4023] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4022] <... clone3 resumed> => {parent_tid=[4026]}, 88) = 4026 [pid 4020] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4024] <... write resumed>) = 4 [pid 4023] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4022] rt_sigprocmask(SIG_SETMASK, [] [pid 4020] <... futex resumed>) = 0 [pid 4024] close(3 [pid 4023] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4022] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4020] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4024] <... close resumed>) = 0 [pid 4023] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4022] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4024] write(1, "executing program\n", 18 [pid 4023] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4022] <... futex resumed>) = 0 executing program [pid 4024] <... write resumed>) = 18 [pid 4023] <... futex resumed>) = 1 [pid 4022] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4020] <... futex resumed>) = 0 [pid 4024] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4023] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4020] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... restart_syscall resumed>) = 0 [pid 4024] <... futex resumed>) = 0 [pid 4023] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4020] <... futex resumed>) = 0 [pid 4024] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4023] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4020] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4026 attached ci2-android-5-15/strace-static-x86_64: Process 4025 attached [pid 4024] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4023] <... mkdirat resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4024] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4023] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4025] set_robust_list(0x5555810c5760, 24) = 0 [pid 4025] rt_sigprocmask(SIG_SETMASK, [] [pid 4023] <... futex resumed>) = 1 [pid 4020] <... futex resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4027 [pid 4024] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4023] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4020] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4023] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4020] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4024] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4023] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4020] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4024] <... mmap resumed>) = 0x7f85c0c15000 [pid 4025] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4025] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4024] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4023] <... symlinkat resumed>) = 0 [pid 4025] <... prctl resumed>) = 0 [pid 4024] <... mprotect resumed>) = 0 [pid 4023] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4024] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4023] <... futex resumed>) = 1 [pid 4024] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4020] <... futex resumed>) = 0 [pid 4024] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4023] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4020] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4025] setpgid(0, 0 [pid 4023] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4020] <... futex resumed>) = 0 [pid 4025] <... setpgid resumed>) = 0 [pid 4023] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4020] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4023] <... unlinkat resumed>) = 0 [pid 4024] <... clone3 resumed> => {parent_tid=[4028]}, 88) = 4028 [pid 4023] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4024] rt_sigprocmask(SIG_SETMASK, [] [pid 4023] <... futex resumed>) = 1 [pid 4024] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4020] <... futex resumed>) = 0 [pid 4024] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4023] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4020] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4024] <... futex resumed>) = 0 [pid 4023] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4020] <... futex resumed>) = 0 [pid 4024] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4023] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4020] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4025] <... openat resumed>) = 3 [pid 4023] <... unlinkat resumed>) = 0 [pid 4025] write(3, "1000", 4 [pid 4023] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4025] <... write resumed>) = 4 [pid 4023] <... futex resumed>) = 1 [pid 4020] <... futex resumed>) = 0 [pid 4023] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4026] set_robust_list(0x7f85c0c359a0, 24 [pid 4025] close(3 [pid 4020] exit_group(0 [pid 4026] <... set_robust_list resumed>) = 0 [pid 4025] <... close resumed>) = 0 [pid 4023] <... futex resumed>) = ? [pid 4020] <... exit_group resumed>) = ? [pid 4026] rt_sigprocmask(SIG_SETMASK, [] [pid 4025] write(1, "executing program\n", 18 [pid 4026] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4025] <... write resumed>) = 18 [pid 4026] mkdirat(AT_FDCWD, "./config", 0777 [pid 4025] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4026] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4025] <... futex resumed>) = 0 [pid 4026] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4025] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4026] <... futex resumed>) = 1 [pid 4025] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4023] +++ exited with 0 +++ [pid 4022] <... futex resumed>) = 0 [pid 4020] +++ exited with 0 +++ executing program [pid 4026] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4025] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4022] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4026] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4025] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4022] <... futex resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4020, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 4027 attached [pid 4026] mount(NULL, "./config", "configfs", 0, NULL [pid 4025] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4022] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 4028 attached [pid 4027] set_robust_list(0x5555810c5760, 24 [pid 4026] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4025] <... mmap resumed>) = 0x7f85c0c15000 [pid 4028] set_robust_list(0x7f85c0c359a0, 24 [pid 4027] <... set_robust_list resumed>) = 0 [pid 4028] <... set_robust_list resumed>) = 0 [pid 4027] rt_sigprocmask(SIG_SETMASK, [] [pid 4028] rt_sigprocmask(SIG_SETMASK, [] [pid 4027] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4028] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4027] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4028] mkdirat(AT_FDCWD, "./config", 0777 [pid 4027] <... prctl resumed>) = 0 [pid 4028] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4027] setpgid(0, 0 [pid 4028] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4027] <... setpgid resumed>) = 0 [pid 4028] <... futex resumed>) = 1 [pid 4027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4024] <... futex resumed>) = 0 [pid 4028] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4027] <... openat resumed>) = 3 [pid 4024] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4028] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4027] write(3, "1000", 4 [pid 4024] <... futex resumed>) = 0 [pid 4028] mount(NULL, "./config", "configfs", 0, NULL [pid 4027] <... write resumed>) = 4 [pid 4024] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4027] close(3 [pid 4026] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4025] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4028] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4027] <... close resumed>) = 0 [pid 4026] <... futex resumed>) = 1 [pid 4025] <... mprotect resumed>) = 0 [pid 4022] <... futex resumed>) = 0 [pid 4028] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4027] write(1, "executing program\n", 18 [pid 4022] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4028] <... futex resumed>) = 1 [pid 4027] <... write resumed>) = 18 executing program [pid 4026] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4025] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4024] <... futex resumed>) = 0 [pid 4022] <... futex resumed>) = 0 [pid 4028] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4027] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4024] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4028] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4027] <... futex resumed>) = 0 [pid 4025] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4024] <... futex resumed>) = 0 [pid 4022] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4028] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4027] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4026] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4025] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4024] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4028] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4027] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4028] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4027] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4026] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4028] <... futex resumed>) = 1 [pid 4027] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4025] <... clone3 resumed> => {parent_tid=[4029]}, 88) = 4029 [pid 4024] <... futex resumed>) = 0 [pid 4028] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4027] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4026] <... futex resumed>) = 1 [pid 4025] rt_sigprocmask(SIG_SETMASK, [] [pid 4024] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4022] <... futex resumed>) = 0 [pid 4028] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4027] <... mmap resumed>) = 0x7f85c0c15000 [pid 4026] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4025] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4024] <... futex resumed>) = 0 [pid 4022] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4028] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4027] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4026] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4025] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4024] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4022] <... futex resumed>) = 0 [pid 4028] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4027] <... mprotect resumed>) = 0 [pid 4026] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4025] <... futex resumed>) = 0 [pid 4022] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4028] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4027] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4025] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4028] <... futex resumed>) = 1 [pid 4027] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4026] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4024] <... futex resumed>) = 0 [pid 4028] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4027] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4024] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4028] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4024] <... futex resumed>) = 0 [pid 4028] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4027] <... clone3 resumed> => {parent_tid=[4030]}, 88) = 4030 [pid 4024] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... restart_syscall resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4030 attached ci2-android-5-15/strace-static-x86_64: Process 4029 attached [pid 4028] <... mkdirat resumed>) = 0 [pid 4026] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4030] set_robust_list(0x7f85c0c359a0, 24 [pid 4029] set_robust_list(0x7f85c0c359a0, 24 [pid 4027] rt_sigprocmask(SIG_SETMASK, [] [pid 4026] <... futex resumed>) = 1 [pid 4022] <... futex resumed>) = 0 [pid 4030] <... set_robust_list resumed>) = 0 [pid 4029] <... set_robust_list resumed>) = 0 [pid 4027] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4026] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4022] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4030] rt_sigprocmask(SIG_SETMASK, [] [pid 4029] rt_sigprocmask(SIG_SETMASK, [] [pid 4026] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4022] <... futex resumed>) = 0 [pid 4027] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4030] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4029] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4026] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4022] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4027] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4030] mkdirat(AT_FDCWD, "./config", 0777 [pid 4029] mkdirat(AT_FDCWD, "./config", 0777 [pid 4028] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4026] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4030] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4029] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4027] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4026] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4030] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4029] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4028] <... futex resumed>) = 1 [pid 4027] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4026] <... futex resumed>) = 1 [pid 4024] <... futex resumed>) = 0 [pid 4022] <... futex resumed>) = 0 [pid 4030] <... futex resumed>) = 0 [pid 4029] <... futex resumed>) = 1 [pid 4026] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4025] <... futex resumed>) = 0 [pid 4022] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4030] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4029] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4028] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4027] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4026] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4025] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4024] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4022] <... futex resumed>) = 0 [pid 4030] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4029] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4028] <... symlinkat resumed>) = 0 [pid 4027] <... futex resumed>) = 0 [pid 4026] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4025] <... futex resumed>) = 0 [pid 4024] <... futex resumed>) = 0 [pid 4022] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4031 [pid 4030] mount(NULL, "./config", "configfs", 0, NULL [pid 4029] mount(NULL, "./config", "configfs", 0, NULL [pid 4028] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4027] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4026] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4025] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4024] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4031 attached [pid 4030] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4029] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4028] <... futex resumed>) = 0 [pid 4026] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4024] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4030] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4029] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4028] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4026] <... futex resumed>) = 1 [pid 4024] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4022] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4031] set_robust_list(0x5555810c5760, 24 [pid 4030] <... futex resumed>) = 1 [pid 4029] <... futex resumed>) = 1 [pid 4027] <... futex resumed>) = 0 [pid 4026] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4025] <... futex resumed>) = 0 [pid 4024] <... futex resumed>) = 0 [pid 4022] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4031] <... set_robust_list resumed>) = 0 [pid 4030] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4029] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4028] <... unlinkat resumed>) = 0 [pid 4027] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4026] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4025] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4024] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4022] <... futex resumed>) = 0 [pid 4031] rt_sigprocmask(SIG_SETMASK, [] [pid 4030] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4029] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4028] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4027] <... futex resumed>) = 0 [pid 4026] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4025] <... futex resumed>) = 0 [pid 4024] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4022] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4031] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4030] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4029] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4028] <... futex resumed>) = 0 [pid 4027] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4026] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4025] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4024] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4031] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4030] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4029] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4028] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4026] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4024] <... futex resumed>) = 0 [pid 4030] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4029] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4026] <... futex resumed>) = 1 [pid 4024] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4022] <... futex resumed>) = 0 [pid 4031] <... prctl resumed>) = 0 [pid 4030] <... futex resumed>) = 1 [pid 4029] <... futex resumed>) = 1 [pid 4028] <... unlinkat resumed>) = 0 [pid 4027] <... futex resumed>) = 0 [pid 4026] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4025] <... futex resumed>) = 0 [pid 4022] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4031] setpgid(0, 0 [pid 4030] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4029] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4028] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4027] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4026] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4025] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4022] <... futex resumed>) = 0 [pid 4031] <... setpgid resumed>) = 0 [pid 4030] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4029] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4028] <... futex resumed>) = 1 [pid 4027] <... futex resumed>) = 0 [pid 4026] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4025] <... futex resumed>) = 0 [pid 4024] <... futex resumed>) = 0 [pid 4022] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4031] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4030] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4029] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4028] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4027] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4026] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4025] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4024] exit_group(0 [pid 4031] <... openat resumed>) = 3 [pid 4030] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4029] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4026] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4024] <... exit_group resumed>) = ? [pid 4030] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4029] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4028] <... futex resumed>) = ? [pid 4026] <... futex resumed>) = 1 [pid 4022] <... futex resumed>) = 0 [pid 4031] write(3, "1000", 4 [pid 4030] <... futex resumed>) = 1 [pid 4029] <... futex resumed>) = 1 [pid 4027] <... futex resumed>) = 0 [pid 4026] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4025] <... futex resumed>) = 0 [pid 4022] exit_group(0 [pid 4030] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4029] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4028] +++ exited with 0 +++ [pid 4026] <... futex resumed>) = ? [pid 4025] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4024] +++ exited with 0 +++ [pid 4022] <... exit_group resumed>) = ? [pid 4031] <... write resumed>) = 4 [pid 4030] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4029] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4027] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4026] +++ exited with 0 +++ [pid 4025] <... futex resumed>) = 0 [pid 4022] +++ exited with 0 +++ [pid 4031] close(3 [pid 4030] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4029] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4027] <... futex resumed>) = 0 [pid 4025] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4031] <... close resumed>) = 0 [pid 4030] <... mkdirat resumed>) = 0 [pid 4029] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4027] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4024, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 4031] write(1, "executing program\n", 18 [pid 4030] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 4029] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4027] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4022, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4031] <... write resumed>) = 18 [pid 4030] <... futex resumed>) = 0 [pid 4029] <... futex resumed>) = 1 [pid 4027] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4025] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... restart_syscall resumed>) = 0 [pid 4031] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4030] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4029] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4027] <... futex resumed>) = 0 [pid 4025] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4031] <... futex resumed>) = 0 [pid 4030] <... symlinkat resumed>) = 0 [pid 4029] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4027] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4025] <... futex resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4031] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4030] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4029] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4027] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4025] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4031] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4030] <... futex resumed>) = 0 [pid 4029] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4027] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4031] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4030] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4029] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4027] <... futex resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4032 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4031] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4030] <... unlinkat resumed>) = 0 [pid 4029] <... futex resumed>) = 1 [pid 4027] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4025] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4031] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4030] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4029] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4027] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4025] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4030] <... futex resumed>) = 0 [pid 4029] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4025] <... futex resumed>) = 0 [pid 4030] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4029] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4027] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4025] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4031] <... mmap resumed>) = 0x7f85c0c15000 [pid 4030] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4029] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4027] <... futex resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4033 [pid 4031] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4030] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4029] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4027] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4033 attached [pid 4031] <... mprotect resumed>) = 0 [pid 4030] <... unlinkat resumed>) = 0 [pid 4029] <... futex resumed>) = 1 [pid 4025] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4031] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4030] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4029] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4025] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4031] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4030] <... futex resumed>) = 1 [pid 4029] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4027] <... futex resumed>) = 0 [pid 4025] <... futex resumed>) = 0 [pid 4031] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4030] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4029] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4027] exit_group(0 [pid 4025] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4030] <... futex resumed>) = ? [pid 4029] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4027] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 4034 attached [pid 4033] set_robust_list(0x5555810c5760, 24 [pid 4031] <... clone3 resumed> => {parent_tid=[4034]}, 88) = 4034 [pid 4030] +++ exited with 0 +++ [pid 4029] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4032 attached ) = 1 [pid 4025] <... futex resumed>) = 0 [pid 4032] set_robust_list(0x5555810c5760, 24 [pid 4029] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4025] exit_group(0 [pid 4032] <... set_robust_list resumed>) = 0 [pid 4031] rt_sigprocmask(SIG_SETMASK, [] [pid 4029] <... futex resumed>) = ? [pid 4027] +++ exited with 0 +++ [pid 4025] <... exit_group resumed>) = ? [pid 4034] set_robust_list(0x7f85c0c359a0, 24 [pid 4033] <... set_robust_list resumed>) = 0 [pid 4032] rt_sigprocmask(SIG_SETMASK, [] [pid 4031] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4029] +++ exited with 0 +++ [pid 4025] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4027, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4031] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4031] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4025, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4031] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4033] rt_sigprocmask(SIG_SETMASK, [] [pid 4032] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4033] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4032] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4032] setpgid(0, 0) = 0 [pid 4032] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4034] <... set_robust_list resumed>) = 0 [pid 4033] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4032] <... openat resumed>) = 3 [pid 4032] write(3, "1000", 4) = 4 [pid 4032] close(3) = 0 [pid 4032] write(1, "executing program\n", 18) = 18 executing program [pid 4032] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4032] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4032] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4032] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4034] rt_sigprocmask(SIG_SETMASK, [] [pid 4033] setpgid(0, 0 [pid 4032] <... mmap resumed>) = 0x7f85c0c15000 [pid 4032] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4032] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4034] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4033] <... setpgid resumed>) = 0 [pid 4032] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 4034] mkdirat(AT_FDCWD, "./config", 0777 [pid 4033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4032] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4034] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4034] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4034] <... futex resumed>) = 1 [pid 4031] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4033] <... openat resumed>) = 3 [pid 4031] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4031] <... futex resumed>) = 0 [pid 4034] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 4034] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4034] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4031] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4036 [pid 4033] write(3, "1000", 4 [pid 4032] <... clone3 resumed> => {parent_tid=[4035]}, 88) = 4035 [pid 4031] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4033] <... write resumed>) = 4 [pid 4031] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4032] rt_sigprocmask(SIG_SETMASK, [] [pid 4033] close(3 [pid 4031] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4033] <... close resumed>) = 0 [pid 4032] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4031] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4033] write(1, "executing program\n", 18) = 18 executing program [pid 306] <... restart_syscall resumed>) = 0 [pid 4032] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4033] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4034] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4033] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4032] <... futex resumed>) = 0 [pid 4033] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4033] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4033] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4032] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4033] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4033] <... mmap resumed>) = 0x7f85c0c15000 [pid 4034] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4034] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4031] <... futex resumed>) = 0 [pid 4034] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4031] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4034] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4033] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4031] <... futex resumed>) = 0 [pid 4034] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4033] <... mprotect resumed>) = 0 [pid 4031] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4037 [pid 4034] <... futex resumed>) = 0 [pid 4033] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4031] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4034] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4033] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4031] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 4037 attached ci2-android-5-15/strace-static-x86_64: Process 4036 attached [pid 4034] <... mkdirat resumed>) = 0 [pid 4033] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4031] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4034] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4031] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4034] <... futex resumed>) = 0 [pid 4031] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4034] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4033] <... clone3 resumed> => {parent_tid=[4038]}, 88) = 4038 [pid 4031] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4034] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4033] rt_sigprocmask(SIG_SETMASK, [] [pid 4031] <... futex resumed>) = 0 [pid 4034] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4033] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4031] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4034] <... symlinkat resumed>) = 0 [pid 4033] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4034] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4033] <... futex resumed>) = 0 [pid 4034] <... futex resumed>) = 1 [pid 4033] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4031] <... futex resumed>) = 0 [pid 4034] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4031] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4034] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4031] <... futex resumed>) = 0 [pid 4034] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4031] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4036] set_robust_list(0x5555810c5760, 24 [pid 4034] <... unlinkat resumed>) = 0 [pid 4034] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4031] <... futex resumed>) = 0 [pid 4034] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4031] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4037] set_robust_list(0x5555810c5760, 24 [pid 4036] <... set_robust_list resumed>) = 0 [pid 4034] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4031] <... futex resumed>) = 0 [pid 4034] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4031] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4035 attached [pid 4037] <... set_robust_list resumed>) = 0 [pid 4036] rt_sigprocmask(SIG_SETMASK, [] [pid 4034] <... unlinkat resumed>) = 0 [pid 4035] set_robust_list(0x7f85c0c359a0, 24 [pid 4034] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4038 attached [pid 4035] <... set_robust_list resumed>) = 0 [pid 4034] <... futex resumed>) = 1 [pid 4031] <... futex resumed>) = 0 [pid 4038] set_robust_list(0x7f85c0c359a0, 24 [pid 4037] rt_sigprocmask(SIG_SETMASK, [] [pid 4036] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4035] rt_sigprocmask(SIG_SETMASK, [] [pid 4034] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4031] exit_group(0 [pid 4038] <... set_robust_list resumed>) = 0 [pid 4035] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4034] <... futex resumed>) = ? [pid 4031] <... exit_group resumed>) = ? [pid 4038] rt_sigprocmask(SIG_SETMASK, [] [pid 4037] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4036] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4035] mkdirat(AT_FDCWD, "./config", 0777 [pid 4034] +++ exited with 0 +++ [pid 4031] +++ exited with 0 +++ [pid 4038] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4035] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4031, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4037] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4036] <... prctl resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4038] mkdirat(AT_FDCWD, "./config", 0777 [pid 4037] <... prctl resumed>) = 0 [pid 4036] setpgid(0, 0 [pid 4035] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4038] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4037] setpgid(0, 0 [pid 4036] <... setpgid resumed>) = 0 [pid 4035] <... futex resumed>) = 1 [pid 4032] <... futex resumed>) = 0 [pid 4038] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4037] <... setpgid resumed>) = 0 [pid 4035] mount(NULL, "./config", "configfs", 0, NULL [pid 4032] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4032] <... futex resumed>) = 0 [pid 4037] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4032] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4038] <... futex resumed>) = 1 [pid 4037] <... openat resumed>) = 3 [pid 4035] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4033] <... futex resumed>) = 0 [pid 4036] <... openat resumed>) = 3 [pid 4033] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4037] write(3, "1000", 4 [pid 4036] write(3, "1000", 4 [pid 4033] <... futex resumed>) = 0 [pid 4038] mount(NULL, "./config", "configfs", 0, NULL [pid 4037] <... write resumed>) = 4 [pid 4036] <... write resumed>) = 4 [pid 4035] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4033] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4037] close(3 [pid 4036] close(3 [pid 4037] <... close resumed>) = 0 [pid 4036] <... close resumed>) = 0 [pid 4037] write(1, "executing program\n", 18 [pid 4036] write(1, "executing program\n", 18 [pid 4037] <... write resumed>) = 18 [pid 4036] <... write resumed>) = 18 executing program executing program [pid 4038] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4037] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4036] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4035] <... futex resumed>) = 1 [pid 4032] <... futex resumed>) = 0 [pid 4038] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4037] <... futex resumed>) = 0 [pid 4036] <... futex resumed>) = 0 [pid 4035] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4032] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4038] <... futex resumed>) = 1 [pid 4037] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4036] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4035] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4033] <... futex resumed>) = 0 [pid 4032] <... futex resumed>) = 0 [pid 4038] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4037] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4036] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4035] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4033] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4038] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4037] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4036] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4035] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4033] <... futex resumed>) = 0 [pid 4032] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4038] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4037] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4036] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4035] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4033] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4032] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4038] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4037] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4036] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4035] <... futex resumed>) = 0 [pid 4032] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4038] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4037] <... mmap resumed>) = 0x7f85c0c15000 [pid 4036] <... mmap resumed>) = 0x7f85c0c15000 [pid 4035] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4032] <... futex resumed>) = 0 [pid 4038] <... futex resumed>) = 1 [pid 4037] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4036] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4035] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4033] <... futex resumed>) = 0 [pid 4032] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4038] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4037] <... mprotect resumed>) = 0 [pid 4036] <... mprotect resumed>) = 0 [pid 4035] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4033] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4032] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4038] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4037] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4035] <... futex resumed>) = 0 [pid 4038] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4037] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4036] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4035] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4033] <... futex resumed>) = 0 [pid 4032] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4038] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4037] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4036] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4035] <... mkdirat resumed>) = 0 [pid 4033] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4032] <... futex resumed>) = 0 [pid 4038] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4036] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4035] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4033] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4032] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4038] <... futex resumed>) = 0 [pid 4037] <... clone3 resumed> => {parent_tid=[4039]}, 88) = 4039 [pid 4035] <... futex resumed>) = 0 [pid 4038] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4037] rt_sigprocmask(SIG_SETMASK, [] [pid 4035] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4033] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4032] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4038] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4037] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4036] <... clone3 resumed> => {parent_tid=[4040]}, 88) = 4040 [pid 4033] <... futex resumed>) = 0 [pid 4032] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4038] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4037] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4036] rt_sigprocmask(SIG_SETMASK, [] [pid 4035] <... futex resumed>) = 0 [pid 4033] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4032] <... futex resumed>) = 1 [pid 305] <... restart_syscall resumed>) = 0 [pid 4038] <... futex resumed>) = 0 [pid 4037] <... futex resumed>) = 0 [pid 4036] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4035] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4033] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4032] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4040 attached [pid 4038] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4037] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4036] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4035] <... symlinkat resumed>) = 0 [pid 4033] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4038] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4036] <... futex resumed>) = 0 [pid 4035] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4033] <... futex resumed>) = 0 [pid 4038] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4036] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4035] <... futex resumed>) = 1 [pid 4033] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4032] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4038] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4035] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4032] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4038] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4035] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4032] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4040] set_robust_list(0x7f85c0c359a0, 24 [pid 4038] <... futex resumed>) = 1 [pid 4035] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4033] <... futex resumed>) = 0 [pid 4032] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4040] <... set_robust_list resumed>) = 0 [pid 4038] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4035] <... unlinkat resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4039 attached [pid 4035] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4039] set_robust_list(0x7f85c0c359a0, 24 [pid 4035] <... futex resumed>) = 0 [pid 4039] <... set_robust_list resumed>) = 0 [pid 4035] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4033] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4032] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4039] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4039] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4039] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4037] <... futex resumed>) = 0 [pid 4032] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4040] rt_sigprocmask(SIG_SETMASK, [] [pid 4038] <... futex resumed>) = 0 [pid 4033] <... futex resumed>) = 1 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4041 [pid 4040] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4039] mount(NULL, "./config", "configfs", 0, NULL [pid 4038] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4037] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4035] <... futex resumed>) = 0 [pid 4033] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4032] <... futex resumed>) = 1 [pid 4040] mkdirat(AT_FDCWD, "./config", 0777 [pid 4039] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4038] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4037] <... futex resumed>) = 0 [pid 4035] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4032] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4040] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4039] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4038] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4037] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4035] <... unlinkat resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4040] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4039] <... futex resumed>) = 0 [pid 4038] <... futex resumed>) = 1 [pid 4037] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4035] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4033] <... futex resumed>) = 0 [pid 4040] <... futex resumed>) = 1 [pid 4039] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4038] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4037] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4036] <... futex resumed>) = 0 [pid 4035] <... futex resumed>) = 1 [pid 4033] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4032] <... futex resumed>) = 0 [pid 4040] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4039] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4038] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4037] <... futex resumed>) = 0 [pid 4036] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4035] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4033] <... futex resumed>) = 0 [pid 4032] exit_group(0 [pid 4040] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4039] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4038] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4037] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4036] <... futex resumed>) = 0 [pid 4033] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4035] <... futex resumed>) = ? [pid 4032] <... exit_group resumed>) = ? [pid 4040] mount(NULL, "./config", "configfs", 0, NULL [pid 4039] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4038] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4036] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4035] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 4041 attached [pid 4039] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4038] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4041] set_robust_list(0x5555810c5760, 24 [pid 4039] <... futex resumed>) = 1 [pid 4038] <... futex resumed>) = 1 [pid 4041] <... set_robust_list resumed>) = 0 [pid 4039] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4038] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4037] <... futex resumed>) = 0 [pid 4033] <... futex resumed>) = 0 [pid 4032] +++ exited with 0 +++ [pid 4041] rt_sigprocmask(SIG_SETMASK, [] [pid 4040] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4037] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4033] exit_group(0 [pid 4041] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4040] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4039] <... futex resumed>) = 0 [pid 4038] <... futex resumed>) = ? [pid 4037] <... futex resumed>) = 1 [pid 4033] <... exit_group resumed>) = ? [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4032, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4041] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4040] <... futex resumed>) = 1 [pid 4039] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4038] +++ exited with 0 +++ [pid 4037] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4036] <... futex resumed>) = 0 [pid 4041] <... prctl resumed>) = 0 [pid 4039] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4041] setpgid(0, 0 [pid 4039] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4033] +++ exited with 0 +++ [pid 4041] <... setpgid resumed>) = 0 [pid 4039] <... futex resumed>) = 0 [pid 4036] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4037] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4040] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4039] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4037] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4036] <... futex resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4033, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4040] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4041] <... openat resumed>) = 3 [pid 4039] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4037] <... futex resumed>) = 0 [pid 4036] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4041] write(3, "1000", 4 [pid 4040] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4039] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4037] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4041] <... write resumed>) = 4 [pid 4040] <... futex resumed>) = 0 [pid 4039] <... mkdirat resumed>) = 0 [pid 4036] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4041] close(3 [pid 4040] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4039] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4036] <... futex resumed>) = 0 [pid 4041] <... close resumed>) = 0 [pid 4040] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4039] <... futex resumed>) = 1 [pid 4037] <... futex resumed>) = 0 [pid 4036] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4041] write(1, "executing program\n", 18 [pid 4040] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4039] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4037] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4041] <... write resumed>) = 18 [pid 4040] <... futex resumed>) = 0 [pid 4039] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4037] <... futex resumed>) = 0 [pid 4036] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... restart_syscall resumed>) = 0 [pid 4041] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4040] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 executing program [pid 4039] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4037] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4036] <... futex resumed>) = 0 [pid 4041] <... futex resumed>) = 0 [pid 4040] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4039] <... symlinkat resumed>) = 0 [pid 4036] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4041] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4040] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4039] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4041] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4040] <... futex resumed>) = 0 [pid 4039] <... futex resumed>) = 1 [pid 4041] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4040] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4039] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4037] <... futex resumed>) = 0 [pid 4036] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4041] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4040] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4037] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4036] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 4041] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4040] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4039] <... futex resumed>) = 0 [pid 4037] <... futex resumed>) = 1 [pid 4036] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4041] <... mmap resumed>) = 0x7f85c0c15000 [pid 4040] <... futex resumed>) = 0 [pid 4039] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4037] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4041] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4039] <... unlinkat resumed>) = 0 [pid 4041] <... mprotect resumed>) = 0 [pid 4039] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4041] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4040] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4039] <... futex resumed>) = 0 [pid 4037] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4036] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4042 [pid 4041] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4040] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4039] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4037] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4036] <... futex resumed>) = 0 [pid 4041] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4040] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4039] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4037] <... futex resumed>) = 0 [pid 4036] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4040] <... futex resumed>) = 0 [pid 4039] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4037] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4042 attached [pid 4041] <... clone3 resumed> => {parent_tid=[4043]}, 88) = 4043 [pid 4040] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4039] <... unlinkat resumed>) = 0 [pid 4036] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4041] rt_sigprocmask(SIG_SETMASK, [] [pid 4040] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4039] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4036] <... futex resumed>) = 0 [pid 4041] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4039] <... futex resumed>) = 1 [pid 4041] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4039] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4041] <... futex resumed>) = 0 [pid 4041] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4040] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4037] <... futex resumed>) = 0 [pid 4036] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4044 [pid 4040] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4037] exit_group(0 [pid 4040] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4039] <... futex resumed>) = ? [pid 4037] <... exit_group resumed>) = ? [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4040] <... futex resumed>) = 1 [pid 4039] +++ exited with 0 +++ [pid 4036] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4043 attached [pid 4043] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4043] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4037] +++ exited with 0 +++ [pid 4043] mkdirat(AT_FDCWD, "./config", 0777 [pid 4040] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4036] exit_group(0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4037, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4036] <... exit_group resumed>) = ? [pid 4040] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4043] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4043] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4041] <... futex resumed>) = 0 [pid 4041] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4041] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4043] <... futex resumed>) = 1 [pid 4043] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 4040] +++ exited with 0 +++ [pid 4036] +++ exited with 0 +++ [pid 4043] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4041] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4036, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4041] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4041] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4043] <... futex resumed>) = 1 [pid 4043] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4043] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4041] <... futex resumed>) = 0 [pid 4042] set_robust_list(0x5555810c5760, 24 [pid 4041] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4041] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4043] <... futex resumed>) = 1 ci2-android-5-15/strace-static-x86_64: Process 4044 attached [pid 4043] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4042] <... set_robust_list resumed>) = 0 [pid 4043] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4043] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4041] <... futex resumed>) = 0 [pid 4041] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4044] set_robust_list(0x5555810c5760, 24 [pid 4042] rt_sigprocmask(SIG_SETMASK, [] [pid 4041] <... futex resumed>) = 0 [pid 4041] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4043] <... futex resumed>) = 1 [pid 4042] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 4043] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4042] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4043] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4042] <... prctl resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4041] <... futex resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4042] setpgid(0, 0 [pid 4041] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4041] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4043] <... futex resumed>) = 1 [pid 4044] <... set_robust_list resumed>) = 0 [pid 4042] <... setpgid resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4045 [pid 4043] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4044] rt_sigprocmask(SIG_SETMASK, [] [pid 4043] <... symlinkat resumed>) = 0 [pid 4042] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4043] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4041] <... futex resumed>) = 0 [pid 4041] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4044] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4042] <... openat resumed>) = 3 [pid 4041] <... futex resumed>) = 0 [pid 4041] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4043] <... futex resumed>) = 1 [pid 4044] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4043] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4042] write(3, "1000", 4 [pid 306] <... restart_syscall resumed>) = 0 [pid 4044] <... prctl resumed>) = 0 [pid 4042] <... write resumed>) = 4 [pid 4044] setpgid(0, 0) = 0 [pid 4043] <... unlinkat resumed>) = 0 [pid 4042] close(3 [pid 4043] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4042] <... close resumed>) = 0 [pid 4044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4043] <... futex resumed>) = 1 [pid 4042] write(1, "executing program\n", 18 [pid 4041] <... futex resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4044] <... openat resumed>) = 3 [pid 4043] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4042] <... write resumed>) = 18 [pid 4041] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4043] <... unlinkat resumed>) = 0 [pid 4041] <... futex resumed>) = 0 [pid 4043] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 4041] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4044] write(3, "1000", 4 [pid 4043] <... futex resumed>) = 0 [pid 4042] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4041] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4044] <... write resumed>) = 4 [pid 4043] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4042] <... futex resumed>) = 0 [pid 4041] exit_group(0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4046 ci2-android-5-15/strace-static-x86_64: Process 4046 attached [pid 4044] close(3 [pid 4043] <... futex resumed>) = ? [pid 4042] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4041] <... exit_group resumed>) = ? [pid 4046] set_robust_list(0x5555810c5760, 24 [pid 4044] <... close resumed>) = 0 [pid 4043] +++ exited with 0 +++ [pid 4042] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4041] +++ exited with 0 +++ [pid 306] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 4045 attached [pid 4044] write(1, "executing program\n", 18 [pid 4042] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4042] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 4045] set_robust_list(0x5555810c5760, 24 [pid 4042] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4041, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4044] <... write resumed>) = 18 [pid 4042] <... mmap resumed>) = 0x7f85c0c15000 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4042] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4044] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4042] <... mprotect resumed>) = 0 [pid 4045] <... set_robust_list resumed>) = 0 [pid 4045] rt_sigprocmask(SIG_SETMASK, [] [pid 4044] <... futex resumed>) = 0 [pid 4042] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4045] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4044] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4042] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4046] <... set_robust_list resumed>) = 0 [pid 4045] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4044] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4042] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4045] <... prctl resumed>) = 0 [pid 4045] setpgid(0, 0) = 0 [pid 4044] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4042] <... clone3 resumed> => {parent_tid=[4047]}, 88) = 4047 [pid 4045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4044] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4042] rt_sigprocmask(SIG_SETMASK, [] [pid 4046] rt_sigprocmask(SIG_SETMASK, [] [pid 4042] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4044] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4042] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4044] <... mmap resumed>) = 0x7f85c0c15000 [pid 4042] <... futex resumed>) = 0 [pid 4044] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4042] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4044] <... mprotect resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4047 attached [pid 4047] set_robust_list(0x7f85c0c359a0, 24 [pid 4044] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4047] <... set_robust_list resumed>) = 0 [pid 4044] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4047] rt_sigprocmask(SIG_SETMASK, [] [pid 4044] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 305] <... restart_syscall resumed>) = 0 [pid 4047] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4047] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4044] <... clone3 resumed> => {parent_tid=[4048]}, 88) = 4048 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4044] rt_sigprocmask(SIG_SETMASK, [] [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4044] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4047] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4047] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 4048 attached [pid 4048] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4048] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4048] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4042] <... futex resumed>) = 0 [pid 4044] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4042] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4044] <... futex resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4049 [pid 4042] <... futex resumed>) = 1 [pid 4047] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4044] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4042] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4047] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 4046] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4047] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4042] <... futex resumed>) = 0 [pid 4047] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4042] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4046] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4042] <... futex resumed>) = 0 [pid 4047] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4046] <... prctl resumed>) = 0 [pid 4042] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4045] <... openat resumed>) = 3 [pid 4047] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4042] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4046] setpgid(0, 0 [pid 4045] write(3, "1000", 4 [pid 4042] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4047] <... futex resumed>) = 0 [pid 4046] <... setpgid resumed>) = 0 [pid 4042] <... futex resumed>) = 0 [pid 4045] <... write resumed>) = 4 [pid 4042] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4047] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4046] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4045] close(3 [pid 4047] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4047] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4046] <... openat resumed>) = 3 [pid 4045] <... close resumed>) = 0 [pid 4047] <... futex resumed>) = 1 [pid 4042] <... futex resumed>) = 0 [pid 4045] write(1, "executing program\n", 18 [pid 4046] write(3, "1000", 4 executing program [pid 4042] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4046] <... write resumed>) = 4 [pid 4045] <... write resumed>) = 18 [pid 4042] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4047] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4046] close(3 [pid 4045] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4047] <... mkdirat resumed>) = 0 [pid 4046] <... close resumed>) = 0 [pid 4045] <... futex resumed>) = 0 [pid 4047] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4045] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4046] write(1, "executing program\n", 18 [pid 4045] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4047] <... futex resumed>) = 1 [pid 4042] <... futex resumed>) = 0 [pid 4045] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4046] <... write resumed>) = 18 [pid 4042] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4047] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4045] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 4042] <... futex resumed>) = 0 [pid 4046] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4042] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4045] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4046] <... futex resumed>) = 0 [pid 4047] <... symlinkat resumed>) = 0 [pid 4046] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4045] <... mmap resumed>) = 0x7f85c0c15000 [pid 4047] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4042] <... futex resumed>) = 0 [pid 4045] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4046] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4042] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4046] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4045] <... mprotect resumed>) = 0 [pid 4042] <... futex resumed>) = 0 [pid 4046] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4042] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4046] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4045] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4046] <... mmap resumed>) = 0x7f85c0c15000 [pid 4045] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4046] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4045] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4046] <... mprotect resumed>) = 0 [pid 4048] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4047] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4048] mkdirat(AT_FDCWD, "./config", 0777 [pid 4047] <... unlinkat resumed>) = 0 [pid 4046] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4045] <... clone3 resumed> => {parent_tid=[4050]}, 88) = 4050 [pid 4046] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4045] rt_sigprocmask(SIG_SETMASK, [] [pid 4046] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4045] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4048] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4047] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4045] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4048] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4047] <... futex resumed>) = 1 [pid 4046] <... clone3 resumed> => {parent_tid=[4051]}, 88) = 4051 [pid 4045] <... futex resumed>) = 0 [pid 4042] <... futex resumed>) = 0 [pid 4048] <... futex resumed>) = 1 [pid 4047] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4046] rt_sigprocmask(SIG_SETMASK, [] [pid 4045] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4044] <... futex resumed>) = 0 [pid 4042] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4048] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4047] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4046] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4044] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4042] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4049 attached [pid 4048] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4047] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4046] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4044] <... futex resumed>) = 0 [pid 4042] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4050 attached [pid 4049] set_robust_list(0x5555810c5760, 24 [pid 4048] mount(NULL, "./config", "configfs", 0, NULL [pid 4047] <... unlinkat resumed>) = 0 [pid 4046] <... futex resumed>) = 0 [pid 4044] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4050] set_robust_list(0x7f85c0c359a0, 24 [pid 4049] <... set_robust_list resumed>) = 0 [pid 4048] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4047] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4046] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4050] <... set_robust_list resumed>) = 0 [pid 4049] rt_sigprocmask(SIG_SETMASK, [] [pid 4048] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4047] <... futex resumed>) = 1 [pid 4042] <... futex resumed>) = 0 [pid 4049] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4048] <... futex resumed>) = 1 [pid 4047] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4044] <... futex resumed>) = 0 [pid 4042] exit_group(0 [pid 4049] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4048] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4047] <... futex resumed>) = ? [pid 4044] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4042] <... exit_group resumed>) = ? [pid 4050] rt_sigprocmask(SIG_SETMASK, [] [pid 4049] <... prctl resumed>) = 0 [pid 4048] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4047] +++ exited with 0 +++ [pid 4044] <... futex resumed>) = 0 [pid 4049] setpgid(0, 0 [pid 4048] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4049] <... setpgid resumed>) = 0 [pid 4048] <... mkdirat resumed>) = -1 EEXIST (File exists) ci2-android-5-15/strace-static-x86_64: Process 4051 attached [pid 4049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4048] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4042] +++ exited with 0 +++ [pid 4051] set_robust_list(0x7f85c0c359a0, 24 [pid 4049] <... openat resumed>) = 3 [pid 4048] <... futex resumed>) = 0 [pid 4044] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4051] <... set_robust_list resumed>) = 0 [pid 4050] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4049] write(3, "1000", 4 [pid 4048] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4044] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4042, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4051] rt_sigprocmask(SIG_SETMASK, [] [pid 4049] <... write resumed>) = 4 [pid 4044] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4051] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4050] mkdirat(AT_FDCWD, "./config", 0777 [pid 4049] close(3 [pid 4048] <... futex resumed>) = 0 [pid 4044] <... futex resumed>) = 1 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4051] mkdirat(AT_FDCWD, "./config", 0777 [pid 4050] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4049] <... close resumed>) = 0 [pid 4048] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4044] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4051] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4050] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4049] write(1, "executing program\n", 18 [pid 4048] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4051] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4049] <... write resumed>) = 18 [pid 4051] <... futex resumed>) = 1 [pid 4049] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4046] <... futex resumed>) = 0 [pid 4051] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4050] <... futex resumed>) = 1 [pid 4049] <... futex resumed>) = 0 executing program [pid 4048] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4046] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4045] <... futex resumed>) = 0 [pid 4051] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4050] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4049] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4048] <... futex resumed>) = 1 [pid 4046] <... futex resumed>) = 0 [pid 4045] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4044] <... futex resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4052 [pid 4051] mount(NULL, "./config", "configfs", 0, NULL [pid 4050] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4049] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4048] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4046] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4045] <... futex resumed>) = 0 [pid 4044] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4051] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4050] mount(NULL, "./config", "configfs", 0, NULL [pid 4049] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4048] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4045] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4044] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4051] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4049] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4048] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4044] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4051] <... futex resumed>) = 1 [pid 4050] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4049] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4046] <... futex resumed>) = 0 [pid 4051] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4050] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4049] <... mmap resumed>) = 0x7f85c0c15000 [pid 4048] <... mkdirat resumed>) = 0 [pid 4046] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4051] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4050] <... futex resumed>) = 1 [pid 4049] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4048] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4046] <... futex resumed>) = 0 [pid 4045] <... futex resumed>) = 0 [pid 4051] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4050] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4049] <... mprotect resumed>) = 0 [pid 4048] <... futex resumed>) = 1 [pid 4046] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4045] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4044] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4052 attached [pid 4051] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4050] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4049] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4048] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4045] <... futex resumed>) = 0 [pid 4044] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4052] set_robust_list(0x5555810c5760, 24 [pid 4051] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4050] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4049] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4048] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4045] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4044] <... futex resumed>) = 0 [pid 4052] <... set_robust_list resumed>) = 0 [pid 4051] <... futex resumed>) = 1 [pid 4050] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4049] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4048] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4046] <... futex resumed>) = 0 [pid 4044] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4052] rt_sigprocmask(SIG_SETMASK, [] [pid 4051] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4050] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4048] <... symlinkat resumed>) = 0 [pid 4046] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4052] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4051] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4050] <... futex resumed>) = 1 [pid 4049] <... clone3 resumed> => {parent_tid=[4053]}, 88) = 4053 [pid 4048] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4046] <... futex resumed>) = 0 [pid 4045] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4053 attached [pid 4052] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4051] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4050] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4049] rt_sigprocmask(SIG_SETMASK, [] [pid 4048] <... futex resumed>) = 1 [pid 4046] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4045] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4044] <... futex resumed>) = 0 [pid 4052] <... prctl resumed>) = 0 [pid 4051] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4050] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4049] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4048] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4045] <... futex resumed>) = 0 [pid 4044] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4052] setpgid(0, 0 [pid 4051] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4050] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4049] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4048] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4045] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4044] <... futex resumed>) = 0 [pid 4052] <... setpgid resumed>) = 0 [pid 4051] <... futex resumed>) = 1 [pid 4050] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4049] <... futex resumed>) = 0 [pid 4048] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4046] <... futex resumed>) = 0 [pid 4044] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4052] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4051] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4050] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4049] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4048] <... unlinkat resumed>) = 0 [pid 4046] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4053] set_robust_list(0x7f85c0c359a0, 24 [pid 4052] <... openat resumed>) = 3 [pid 4051] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4050] <... futex resumed>) = 1 [pid 4048] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4046] <... futex resumed>) = 0 [pid 4045] <... futex resumed>) = 0 [pid 4052] write(3, "1000", 4 [pid 4051] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4050] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4048] <... futex resumed>) = 1 [pid 4046] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4045] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4044] <... futex resumed>) = 0 [pid 4052] <... write resumed>) = 4 [pid 4051] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4050] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4048] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4045] <... futex resumed>) = 0 [pid 4044] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4052] close(3 [pid 4051] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4050] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4048] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4045] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4044] <... futex resumed>) = 0 [pid 4052] <... close resumed>) = 0 [pid 4051] <... futex resumed>) = 1 [pid 4050] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4048] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4046] <... futex resumed>) = 0 [pid 4044] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4052] write(1, "executing program\n", 18 executing program [pid 4051] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4050] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4048] <... unlinkat resumed>) = 0 [pid 4046] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4052] <... write resumed>) = 18 [pid 4051] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4050] <... futex resumed>) = 1 [pid 4048] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4046] <... futex resumed>) = 0 [pid 4045] <... futex resumed>) = 0 [pid 4052] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4051] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4050] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4048] <... futex resumed>) = 1 [pid 4046] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4045] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4044] <... futex resumed>) = 0 [pid 4053] <... set_robust_list resumed>) = 0 [pid 4052] <... futex resumed>) = 0 [pid 4051] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4050] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4048] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4045] <... futex resumed>) = 0 [pid 4044] exit_group(0 [pid 4052] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4051] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4050] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4045] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4044] <... exit_group resumed>) = ? [pid 4053] rt_sigprocmask(SIG_SETMASK, [] [pid 4052] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4051] <... futex resumed>) = 1 [pid 4048] <... futex resumed>) = ? [pid 4050] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4046] <... futex resumed>) = 0 [pid 4053] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4052] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4051] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4046] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4052] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4051] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4046] <... futex resumed>) = 0 [pid 4052] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4051] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4046] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4052] <... mmap resumed>) = 0x7f85c0c15000 [pid 4051] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4048] +++ exited with 0 +++ [pid 4044] +++ exited with 0 +++ [pid 4052] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4051] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4053] mkdirat(AT_FDCWD, "./config", 0777 [pid 4050] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4052] <... mprotect resumed>) = 0 [pid 4051] <... futex resumed>) = 1 [pid 4046] <... futex resumed>) = 0 [pid 4053] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4052] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4051] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4050] <... futex resumed>) = 1 [pid 4046] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4045] <... futex resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4044, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4053] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4052] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4051] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4050] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4046] <... futex resumed>) = 0 [pid 4045] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4053] <... futex resumed>) = 1 [pid 4052] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4051] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4050] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4049] <... futex resumed>) = 0 [pid 4046] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4045] <... futex resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4054 attached [pid 4053] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4051] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4050] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4049] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4045] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4053] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4052] <... clone3 resumed> => {parent_tid=[4054]}, 88) = 4054 [pid 4051] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4050] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4049] <... futex resumed>) = 0 [pid 4053] mount(NULL, "./config", "configfs", 0, NULL [pid 4052] rt_sigprocmask(SIG_SETMASK, [] [pid 4051] <... futex resumed>) = 1 [pid 4050] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4049] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4046] <... futex resumed>) = 0 [pid 4053] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4052] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4051] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4050] <... futex resumed>) = 1 [pid 4046] exit_group(0 [pid 4045] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4053] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4052] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4051] <... futex resumed>) = ? [pid 4050] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4046] <... exit_group resumed>) = ? [pid 4045] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4054] set_robust_list(0x7f85c0c359a0, 24 [pid 4053] <... futex resumed>) = 1 [pid 4052] <... futex resumed>) = 0 [pid 4051] +++ exited with 0 +++ [pid 4050] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4049] <... futex resumed>) = 0 [pid 4046] +++ exited with 0 +++ [pid 4045] <... futex resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4053] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4052] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4050] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4049] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4045] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4049] <... futex resumed>) = 0 [pid 4049] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4046, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 4050] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4053] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4050] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4055 [pid 4053] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4050] <... futex resumed>) = 1 [pid 4045] <... futex resumed>) = 0 [pid 4053] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4050] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4053] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4045] exit_group(0 [pid 4053] <... futex resumed>) = 1 [pid 4049] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4045] <... exit_group resumed>) = ? [pid 4053] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4050] <... futex resumed>) = ? [pid 4049] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4049] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4055 attached [pid 4055] set_robust_list(0x5555810c5760, 24) = 0 [pid 4055] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4055] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4050] +++ exited with 0 +++ [pid 4045] +++ exited with 0 +++ [pid 4055] <... prctl resumed>) = 0 [pid 4053] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4045, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4053] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4053] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4055] setpgid(0, 0 [pid 4053] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4049] <... futex resumed>) = 0 [pid 4053] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4049] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4053] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4049] <... futex resumed>) = 0 [pid 4053] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4049] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4055] <... setpgid resumed>) = 0 [pid 4055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4053] <... mkdirat resumed>) = 0 [pid 4055] <... openat resumed>) = 3 [pid 4053] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4055] write(3, "1000", 4 [pid 4053] <... futex resumed>) = 1 [pid 4049] <... futex resumed>) = 0 [pid 4053] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4049] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4053] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4049] <... futex resumed>) = 0 [pid 4053] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4049] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4055] <... write resumed>) = 4 [pid 4053] <... symlinkat resumed>) = 0 [pid 4055] close(3 [pid 4053] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4055] <... close resumed>) = 0 [pid 4053] <... futex resumed>) = 1 [pid 4049] <... futex resumed>) = 0 [pid 4055] write(1, "executing program\n", 18 [pid 4053] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4049] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4055] <... write resumed>) = 18 [pid 4053] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4049] <... futex resumed>) = 0 executing program [pid 4055] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4053] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4049] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... restart_syscall resumed>) = 0 [pid 4055] <... futex resumed>) = 0 [pid 4054] <... set_robust_list resumed>) = 0 [pid 4053] <... unlinkat resumed>) = 0 [pid 4053] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4055] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4053] <... futex resumed>) = 1 [pid 4049] <... futex resumed>) = 0 [pid 4055] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4053] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4049] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4055] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4053] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4049] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4055] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4053] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4049] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4055] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4053] <... unlinkat resumed>) = 0 [pid 4055] <... mmap resumed>) = 0x7f85c0c15000 [pid 4055] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4055] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4053] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4056 [pid 4049] <... futex resumed>) = 0 [pid 4055] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4053] <... futex resumed>) = 1 [pid 4049] exit_group(0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4054] rt_sigprocmask(SIG_SETMASK, [] [pid 4049] <... exit_group resumed>) = ? [pid 4055] <... clone3 resumed> => {parent_tid=[4057]}, 88) = 4057 [pid 4055] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4055] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4055] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4056 attached [pid 4053] +++ exited with 0 +++ [pid 4049] +++ exited with 0 +++ [pid 4056] set_robust_list(0x5555810c5760, 24 [pid 4054] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4049, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4056] <... set_robust_list resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4056] rt_sigprocmask(SIG_SETMASK, [] [pid 4054] mkdirat(AT_FDCWD, "./config", 0777 [pid 4056] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4057 attached [pid 4056] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4054] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4056] <... prctl resumed>) = 0 [pid 4056] setpgid(0, 0) = 0 [pid 4056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4054] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... restart_syscall resumed>) = 0 [pid 4056] write(3, "1000", 4 [pid 4054] <... futex resumed>) = 1 [pid 4052] <... futex resumed>) = 0 [pid 4052] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4054] mount(NULL, "./config", "configfs", 0, NULL [pid 4052] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4052] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4054] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4056] <... write resumed>) = 4 [pid 4054] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4056] close(3) = 0 [pid 4056] write(1, "executing program\n", 18) = 18 [pid 4056] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4054] <... futex resumed>) = 1 [pid 4052] <... futex resumed>) = 0 executing program [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4058 [pid 4054] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4052] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4052] <... futex resumed>) = 0 [pid 4054] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4052] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4054] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4056] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4052] <... futex resumed>) = 0 [pid 4054] <... futex resumed>) = 1 [pid 4052] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4056] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4054] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4052] <... futex resumed>) = 0 [pid 4052] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4054] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4056] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4056] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4056] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4054] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4057] set_robust_list(0x7f85c0c359a0, 24ci2-android-5-15/strace-static-x86_64: Process 4058 attached [pid 4058] set_robust_list(0x5555810c5760, 24 [pid 4057] <... set_robust_list resumed>) = 0 [pid 4056] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4054] <... futex resumed>) = 1 [pid 4052] <... futex resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 4054] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4052] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4058] <... set_robust_list resumed>) = 0 [pid 4052] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4058] rt_sigprocmask(SIG_SETMASK, [] [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4054] <... mkdirat resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4058] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4054] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4058] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4058] setpgid(0, 0) = 0 [pid 4058] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4052] <... futex resumed>) = 0 [pid 4054] <... futex resumed>) = 1 [pid 4052] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4059 [pid 4054] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4052] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4052] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4058] <... openat resumed>) = 3 [pid 4054] <... symlinkat resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4058] write(3, "1000", 4 [pid 4054] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4058] <... write resumed>) = 4 [pid 4054] <... futex resumed>) = 1 [pid 4052] <... futex resumed>) = 0 [pid 4058] close(3 [pid 4054] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4052] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4054] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4052] <... futex resumed>) = 0 [pid 4054] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4052] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4054] <... unlinkat resumed>) = 0 [pid 4058] <... close resumed>) = 0 [pid 4054] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4057] rt_sigprocmask(SIG_SETMASK, [] [pid 4056] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4054] <... futex resumed>) = 1 [pid 4052] <... futex resumed>) = 0 [pid 4054] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4052] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4054] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4052] <... futex resumed>) = 0 [pid 4054] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4052] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4059 attached [pid 4059] set_robust_list(0x5555810c5760, 24 [pid 4054] <... unlinkat resumed>) = 0 [pid 4059] <... set_robust_list resumed>) = 0 [pid 4054] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4059] rt_sigprocmask(SIG_SETMASK, [] [pid 4054] <... futex resumed>) = 1 [pid 4052] <... futex resumed>) = 0 [pid 4054] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4052] exit_group(0 [pid 4059] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4054] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 4052] <... exit_group resumed>) = ? [pid 4059] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4059] setpgid(0, 0) = 0 [pid 4059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4054] +++ exited with 0 +++ [pid 4052] +++ exited with 0 +++ [pid 4059] write(3, "1000", 4 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4052, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4059] <... write resumed>) = 4 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4059] close(3 [pid 4057] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4059] <... close resumed>) = 0 [pid 4059] write(1, "executing program\n", 18) = 18 executing program [pid 4059] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4059] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4058] write(1, "executing program\n", 18 [pid 4057] mkdirat(AT_FDCWD, "./config", 0777 [pid 4056] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4059] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4059] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4059] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4058] <... write resumed>) = 18 [pid 4057] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4058] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 4057] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4056] <... clone3 resumed> => {parent_tid=[4060]}, 88) = 4060 [pid 4059] <... mprotect resumed>) = 0 [pid 4058] <... futex resumed>) = 0 [pid 4057] <... futex resumed>) = 1 [pid 4056] rt_sigprocmask(SIG_SETMASK, [] [pid 4055] <... futex resumed>) = 0 [pid 4055] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4055] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4058] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4057] mount(NULL, "./config", "configfs", 0, NULL [pid 4056] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4059] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4059] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4058] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4057] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4056] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4059] <... clone3 resumed> => {parent_tid=[4061]}, 88) = 4061 ci2-android-5-15/strace-static-x86_64: Process 4061 attached [pid 4061] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4061] rt_sigprocmask(SIG_SETMASK, [] [pid 4059] rt_sigprocmask(SIG_SETMASK, [] [pid 4058] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4057] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4056] <... futex resumed>) = 0 [pid 4061] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4059] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4058] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4057] <... futex resumed>) = 1 [pid 4055] <... futex resumed>) = 0 [pid 4056] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4059] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4061] mkdirat(AT_FDCWD, "./config", 0777 [pid 4058] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4057] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4055] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... restart_syscall resumed>) = 0 [pid 4059] <... futex resumed>) = 0 [pid 4058] <... mmap resumed>) = 0x7f85c0c15000 [pid 4057] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4055] <... futex resumed>) = 0 [pid 4061] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4059] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4058] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4057] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4055] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4061] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4059] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4058] <... mprotect resumed>) = 0 [pid 4057] <... futex resumed>) = 0 [pid 4055] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4058] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4055] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4057] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4061] <... futex resumed>) = 0 [pid 4059] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4058] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4057] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4055] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4061] mount(NULL, "./config", "configfs", 0, NULL [pid 4059] <... futex resumed>) = 0 [pid 4058] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4057] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4055] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4059] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4057] <... futex resumed>) = 0 [pid 4055] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4055] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4055] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4060 attached [pid 4060] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4060] rt_sigprocmask(SIG_SETMASK, [] [pid 4057] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4058] <... clone3 resumed> => {parent_tid=[4062]}, 88) = 4062 [pid 4061] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4063 [pid 4060] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4058] rt_sigprocmask(SIG_SETMASK, [] [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4061] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4060] mkdirat(AT_FDCWD, "./config", 0777 [pid 4058] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4057] <... mkdirat resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4061] <... futex resumed>) = 1 [pid 4058] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4061] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4059] <... futex resumed>) = 0 [pid 4058] <... futex resumed>) = 0 [pid 4057] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4059] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4058] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4057] <... futex resumed>) = 1 [pid 4055] <... futex resumed>) = 0 [pid 4061] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4060] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4059] <... futex resumed>) = 0 [pid 4055] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4057] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4061] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4059] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4055] <... futex resumed>) = 0 [pid 4061] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4059] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4057] <... symlinkat resumed>) = 0 [pid 4055] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4061] <... futex resumed>) = 0 [pid 4059] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4057] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4055] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4061] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4059] <... futex resumed>) = 0 [pid 4057] <... futex resumed>) = 0 [pid 4055] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4061] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4059] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4057] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4055] <... futex resumed>) = 0 [pid 4061] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4059] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4057] <... unlinkat resumed>) = 0 [pid 4055] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4061] <... futex resumed>) = 0 [pid 4059] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4057] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4055] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4061] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4059] <... futex resumed>) = 0 [pid 4057] <... futex resumed>) = 0 [pid 4055] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4061] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4059] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4057] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4055] <... futex resumed>) = 0 [pid 4061] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4060] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4059] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4055] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4061] <... futex resumed>) = 0 [pid 4060] <... futex resumed>) = 1 [pid 4059] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4057] <... unlinkat resumed>) = 0 [pid 4056] <... futex resumed>) = 0 [pid 4061] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4059] <... futex resumed>) = 0 [pid 4057] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4056] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4060] mount(NULL, "./config", "configfs", 0, NULL [pid 4056] <... futex resumed>) = 0 [pid 4059] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4057] <... futex resumed>) = 1 [pid 4055] <... futex resumed>) = 0 [pid 4061] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4060] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4057] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4056] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4055] exit_group(0 [pid 4061] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4060] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4057] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 4055] <... exit_group resumed>) = ? [pid 4061] <... futex resumed>) = 1 [pid 4060] <... futex resumed>) = 1 [pid 4059] <... futex resumed>) = 0 [pid 4057] +++ exited with 0 +++ [pid 4056] <... futex resumed>) = 0 [pid 4055] +++ exited with 0 +++ [pid 4061] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4059] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4056] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4059] <... futex resumed>) = 0 [pid 4061] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4056] <... futex resumed>) = 0 [pid 4059] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4055, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4056] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4061] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) ci2-android-5-15/strace-static-x86_64: Process 4063 attached ci2-android-5-15/strace-static-x86_64: Process 4062 attached [pid 4061] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4060] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4061] <... futex resumed>) = 1 [pid 4059] <... futex resumed>) = 0 [pid 4061] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4059] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4059] <... futex resumed>) = 0 [pid 4061] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4059] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4063] set_robust_list(0x5555810c5760, 24 [pid 4062] set_robust_list(0x7f85c0c359a0, 24 [pid 4061] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4060] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4061] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4063] <... set_robust_list resumed>) = 0 [pid 4062] <... set_robust_list resumed>) = 0 [pid 4061] <... futex resumed>) = 1 [pid 4060] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4059] <... futex resumed>) = 0 [pid 4061] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4059] exit_group(0 [pid 4063] rt_sigprocmask(SIG_SETMASK, [] [pid 4062] rt_sigprocmask(SIG_SETMASK, [] [pid 4061] <... futex resumed>) = ? [pid 4060] <... futex resumed>) = 1 [pid 4059] <... exit_group resumed>) = ? [pid 4056] <... futex resumed>) = 0 [pid 4063] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4062] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4061] +++ exited with 0 +++ [pid 4060] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4056] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4063] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4062] mkdirat(AT_FDCWD, "./config", 0777 [pid 4060] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4063] <... prctl resumed>) = 0 [pid 4062] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4060] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4063] setpgid(0, 0 [pid 4062] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4060] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4059] +++ exited with 0 +++ [pid 4056] <... futex resumed>) = 0 [pid 4063] <... setpgid resumed>) = 0 [pid 4062] <... futex resumed>) = 1 [pid 4060] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4058] <... futex resumed>) = 0 [pid 4056] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4062] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4060] <... futex resumed>) = 0 [pid 4058] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4056] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4059, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4063] <... openat resumed>) = 3 [pid 4062] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4060] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4058] <... futex resumed>) = 0 [pid 4056] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4063] write(3, "1000", 4 [pid 4062] mount(NULL, "./config", "configfs", 0, NULL [pid 4060] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4058] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4056] <... futex resumed>) = 0 [pid 4063] <... write resumed>) = 4 [pid 4062] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4060] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4056] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4063] close(3 [pid 4062] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4060] <... mkdirat resumed>) = 0 [pid 4063] <... close resumed>) = 0 [pid 4062] <... futex resumed>) = 1 [pid 4060] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4058] <... futex resumed>) = 0 [pid 4063] write(1, "executing program\n", 18 executing program [pid 4062] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4060] <... futex resumed>) = 1 [pid 4058] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4056] <... futex resumed>) = 0 [pid 4063] <... write resumed>) = 18 [pid 4062] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4060] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4058] <... futex resumed>) = 0 [pid 4056] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4063] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4062] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4060] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4058] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4063] <... futex resumed>) = 0 [pid 4062] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4060] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4056] <... futex resumed>) = 0 [pid 4063] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4062] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4060] <... symlinkat resumed>) = 0 [pid 4056] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... restart_syscall resumed>) = 0 [pid 4063] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4062] <... futex resumed>) = 1 [pid 4060] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4058] <... futex resumed>) = 0 [pid 4056] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] <... restart_syscall resumed>) = 0 [pid 4063] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4062] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4060] <... futex resumed>) = 0 [pid 4058] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4056] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4063] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4062] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4060] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4058] <... futex resumed>) = 0 [pid 4056] <... futex resumed>) = 0 [pid 4063] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4062] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4060] <... unlinkat resumed>) = 0 [pid 4058] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4056] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4063] <... mmap resumed>) = 0x7f85c0c15000 [pid 4062] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4060] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4056] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4063] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4062] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4060] <... futex resumed>) = 0 [pid 4056] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4063] <... mprotect resumed>) = 0 [pid 4062] <... futex resumed>) = 1 [pid 4060] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4058] <... futex resumed>) = 0 [pid 4056] <... futex resumed>) = 0 [pid 4063] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4062] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4060] <... unlinkat resumed>) = 0 [pid 4058] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4056] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4063] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4062] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4060] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4058] <... futex resumed>) = 0 [pid 4056] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4064 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4063] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4062] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4060] <... futex resumed>) = 0 [pid 4058] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4056] exit_group(0 [pid 4062] <... mkdirat resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4056] <... exit_group resumed>) = ? [pid 4063] <... clone3 resumed> => {parent_tid=[4065]}, 88) = 4065 [pid 4062] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4060] +++ exited with 0 +++ [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4063] rt_sigprocmask(SIG_SETMASK, [] [pid 4062] <... futex resumed>) = 1 [pid 4058] <... futex resumed>) = 0 [pid 4063] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4062] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4058] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4063] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4062] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4058] <... futex resumed>) = 0 [pid 4056] +++ exited with 0 +++ [pid 4063] <... futex resumed>) = 0 [pid 4062] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4058] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4066 ci2-android-5-15/strace-static-x86_64: Process 4066 attached [pid 4063] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4062] <... symlinkat resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4056, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4062] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4066] set_robust_list(0x5555810c5760, 24 [pid 4062] <... futex resumed>) = 1 [pid 4058] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4062] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4058] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4062] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4058] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 4065 attached ci2-android-5-15/strace-static-x86_64: Process 4064 attached [pid 4066] <... set_robust_list resumed>) = 0 [pid 4062] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4058] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4062] <... unlinkat resumed>) = 0 [pid 4062] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4058] <... futex resumed>) = 0 [pid 4062] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4058] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4062] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4058] <... futex resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4062] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4058] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4062] <... unlinkat resumed>) = 0 [pid 4062] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4058] <... futex resumed>) = 0 [pid 4062] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4058] exit_group(0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4067 [pid 4066] rt_sigprocmask(SIG_SETMASK, [] [pid 4062] <... futex resumed>) = ? [pid 4058] <... exit_group resumed>) = ? [pid 4066] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4065] set_robust_list(0x7f85c0c359a0, 24 [pid 4064] set_robust_list(0x5555810c5760, 24 [pid 4062] +++ exited with 0 +++ [pid 4058] +++ exited with 0 +++ [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4058, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 4067 attached [pid 4067] set_robust_list(0x5555810c5760, 24) = 0 [pid 4067] rt_sigprocmask(SIG_SETMASK, [] [pid 4064] <... set_robust_list resumed>) = 0 [pid 4066] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 305] <... restart_syscall resumed>) = 0 [pid 4067] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4067] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4067] setpgid(0, 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4067] <... setpgid resumed>) = 0 [pid 4064] rt_sigprocmask(SIG_SETMASK, [] [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4064] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4066] <... prctl resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4068 [pid 4067] write(3, "1000", 4 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4066] setpgid(0, 0 [pid 4064] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4067] <... write resumed>) = 4 [pid 4066] <... setpgid resumed>) = 0 [pid 4064] <... prctl resumed>) = 0 [pid 4067] close(3) = 0 [pid 4066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4064] setpgid(0, 0 [pid 4067] write(1, "executing program\n", 18) = 18 [pid 4064] <... setpgid resumed>) = 0 [pid 4067] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4066] <... openat resumed>) = 3 [pid 4067] <... futex resumed>) = 0 executing program [pid 4066] write(3, "1000", 4 [pid 4064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4067] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4067] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4067] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4066] <... write resumed>) = 4 [pid 4065] <... set_robust_list resumed>) = 0 [pid 4064] <... openat resumed>) = 3 ci2-android-5-15/strace-static-x86_64: Process 4068 attached [pid 4068] set_robust_list(0x5555810c5760, 24 [pid 4066] close(3 [pid 4065] rt_sigprocmask(SIG_SETMASK, [] [pid 4064] write(3, "1000", 4 [pid 4068] <... set_robust_list resumed>) = 0 [pid 4068] rt_sigprocmask(SIG_SETMASK, [] [pid 4067] <... mmap resumed>) = 0x7f85c0c15000 [pid 4066] <... close resumed>) = 0 [pid 4065] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4064] <... write resumed>) = 4 [pid 4068] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4068] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4066] write(1, "executing program\n", 18 [pid 4067] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4065] mkdirat(AT_FDCWD, "./config", 0777 [pid 4064] close(3 [pid 4068] <... prctl resumed>) = 0 executing program [pid 4066] <... write resumed>) = 18 [pid 4066] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4066] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4064] <... close resumed>) = 0 [pid 4067] <... mprotect resumed>) = 0 [pid 4066] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4064] write(1, "executing program\n", 18 [pid 4068] setpgid(0, 0 [pid 4065] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4066] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4064] <... write resumed>) = 18 [pid 4068] <... setpgid resumed>) = 0 [pid 4067] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4065] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4064] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 4068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4066] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4065] <... futex resumed>) = 1 [pid 4067] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4064] <... futex resumed>) = 0 [pid 4063] <... futex resumed>) = 0 [pid 4066] <... mmap resumed>) = 0x7f85c0c15000 [pid 4063] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4068] <... openat resumed>) = 3 [pid 4067] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4066] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4065] mount(NULL, "./config", "configfs", 0, NULL [pid 4064] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4063] <... futex resumed>) = 0 [pid 4066] <... mprotect resumed>) = 0 [pid 4064] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4063] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4068] write(3, "1000", 4 [pid 4066] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4065] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4064] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4066] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4065] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4064] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4067] <... clone3 resumed> => {parent_tid=[4069]}, 88) = 4069 [pid 4068] <... write resumed>) = 4 [pid 4066] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4065] <... futex resumed>) = 1 [pid 4064] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4063] <... futex resumed>) = 0 [pid 4068] close(3 [pid 4067] rt_sigprocmask(SIG_SETMASK, [] [pid 4065] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4064] <... mmap resumed>) = 0x7f85c0c15000 [pid 4063] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4067] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4066] <... clone3 resumed> => {parent_tid=[4070]}, 88) = 4070 [pid 4065] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4064] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4068] <... close resumed>) = 0 [pid 4063] <... futex resumed>) = 0 [pid 4068] write(1, "executing program\n", 18 [pid 4067] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 4066] rt_sigprocmask(SIG_SETMASK, [] [pid 4065] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4064] <... mprotect resumed>) = 0 [pid 4063] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4068] <... write resumed>) = 18 [pid 4067] <... futex resumed>) = 0 [pid 4066] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4065] <... futex resumed>) = 0 [pid 4064] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4063] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4068] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4067] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4066] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4065] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4063] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4064] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4068] <... futex resumed>) = 0 [pid 4066] <... futex resumed>) = 0 [pid 4065] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4063] <... futex resumed>) = 0 [pid 4064] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4068] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4066] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4065] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4063] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4068] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4065] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4068] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4065] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4064] <... clone3 resumed> => {parent_tid=[4071]}, 88) = 4071 [pid 4068] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4065] <... futex resumed>) = 1 [pid 4063] <... futex resumed>) = 0 [pid 4068] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4065] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4064] rt_sigprocmask(SIG_SETMASK, [] [pid 4063] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4068] <... mmap resumed>) = 0x7f85c0c15000 [pid 4065] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4064] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4063] <... futex resumed>) = 0 [pid 4068] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4065] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4064] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4063] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4068] <... mprotect resumed>) = 0 [pid 4064] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4069 attached [pid 4064] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4068] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4065] <... mkdirat resumed>) = 0 [pid 4068] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4065] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4069] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4069] rt_sigprocmask(SIG_SETMASK, [] [pid 4065] <... futex resumed>) = 1 [pid 4063] <... futex resumed>) = 0 [pid 4069] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4068] <... clone3 resumed> => {parent_tid=[4072]}, 88) = 4072 [pid 4065] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4063] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4070 attached ci2-android-5-15/strace-static-x86_64: Process 4072 attached [pid 4069] mkdirat(AT_FDCWD, "./config", 0777 [pid 4068] rt_sigprocmask(SIG_SETMASK, [] [pid 4065] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4063] <... futex resumed>) = 0 [pid 4069] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4063] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4069] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4065] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4068] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4069] <... futex resumed>) = 1 [pid 4069] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 4071 attached [pid 4071] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4071] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4071] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4071] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4065] <... symlinkat resumed>) = 0 [pid 4064] <... futex resumed>) = 0 [pid 4068] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4067] <... futex resumed>) = 0 [pid 4065] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4064] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4068] <... futex resumed>) = 0 [pid 4067] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4065] <... futex resumed>) = 1 [pid 4064] <... futex resumed>) = 0 [pid 4063] <... futex resumed>) = 0 [pid 4069] <... futex resumed>) = 0 [pid 4068] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4067] <... futex resumed>) = 1 [pid 4065] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4064] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4063] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4071] mount(NULL, "./config", "configfs", 0, NULL [pid 4069] mount(NULL, "./config", "configfs", 0, NULL [pid 4067] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4065] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4063] <... futex resumed>) = 0 [pid 4072] set_robust_list(0x7f85c0c359a0, 24 [pid 4071] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4070] set_robust_list(0x7f85c0c359a0, 24 [pid 4069] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4065] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4063] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4071] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4069] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4065] <... unlinkat resumed>) = 0 [pid 4071] <... futex resumed>) = 1 [pid 4069] <... futex resumed>) = 1 [pid 4067] <... futex resumed>) = 0 [pid 4065] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4072] <... set_robust_list resumed>) = 0 [pid 4070] <... set_robust_list resumed>) = 0 [pid 4064] <... futex resumed>) = 0 [pid 4069] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4067] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4065] <... futex resumed>) = 1 [pid 4064] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4063] <... futex resumed>) = 0 [pid 4070] rt_sigprocmask(SIG_SETMASK, [] [pid 4071] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4067] <... futex resumed>) = 0 [pid 4070] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4065] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4064] <... futex resumed>) = 0 [pid 4063] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4071] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4069] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4067] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4065] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4064] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4070] mkdirat(AT_FDCWD, "./config", 0777 [pid 4063] <... futex resumed>) = 0 [pid 4071] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4069] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4065] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4064] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4063] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4072] rt_sigprocmask(SIG_SETMASK, [] [pid 4071] <... futex resumed>) = 0 [pid 4070] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4069] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4064] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4072] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4071] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4070] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4069] <... futex resumed>) = 1 [pid 4067] <... futex resumed>) = 0 [pid 4065] <... unlinkat resumed>) = 0 [pid 4064] <... futex resumed>) = 0 [pid 4071] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4070] <... futex resumed>) = 1 [pid 4069] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4067] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4066] <... futex resumed>) = 0 [pid 4065] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4072] mkdirat(AT_FDCWD, "./config", 0777 [pid 4064] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4071] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4070] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4067] <... futex resumed>) = 0 [pid 4066] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4065] <... futex resumed>) = 1 [pid 4064] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4063] <... futex resumed>) = 0 [pid 4072] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4071] <... futex resumed>) = 0 [pid 4070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4069] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4067] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4066] <... futex resumed>) = 0 [pid 4065] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4064] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4063] exit_group(0 [pid 4072] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4071] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4070] mount(NULL, "./config", "configfs", 0, NULL [pid 4069] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4066] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4065] <... futex resumed>) = ? [pid 4064] <... futex resumed>) = 0 [pid 4063] <... exit_group resumed>) = ? [pid 4072] <... futex resumed>) = 1 [pid 4071] <... mkdirat resumed>) = 0 [pid 4070] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4069] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4068] <... futex resumed>) = 0 [pid 4065] +++ exited with 0 +++ [pid 4064] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4063] +++ exited with 0 +++ [pid 4072] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4071] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4070] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4069] <... futex resumed>) = 1 [pid 4068] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4067] <... futex resumed>) = 0 [pid 4064] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4072] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4071] <... futex resumed>) = 0 [pid 4070] <... futex resumed>) = 1 [pid 4069] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4068] <... futex resumed>) = 0 [pid 4067] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4066] <... futex resumed>) = 0 [pid 4064] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4063, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4072] mount(NULL, "./config", "configfs", 0, NULL [pid 4071] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4070] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4068] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4067] <... futex resumed>) = 0 [pid 4066] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4064] <... futex resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4072] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4071] <... symlinkat resumed>) = 0 [pid 4070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4069] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4067] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4066] <... futex resumed>) = 0 [pid 4064] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4072] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4071] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4070] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4069] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4066] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4064] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4072] <... futex resumed>) = 1 [pid 4071] <... futex resumed>) = 0 [pid 4070] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4069] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4068] <... futex resumed>) = 0 [pid 4064] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4072] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4071] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4070] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4069] <... futex resumed>) = 1 [pid 4068] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4067] <... futex resumed>) = 0 [pid 4064] <... futex resumed>) = 0 [pid 4072] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4071] <... unlinkat resumed>) = 0 [pid 4070] <... futex resumed>) = 1 [pid 4069] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4068] <... futex resumed>) = 0 [pid 4067] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4066] <... futex resumed>) = 0 [pid 4064] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4072] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4071] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4070] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4068] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4067] <... futex resumed>) = 0 [pid 4066] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4064] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4072] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4071] <... futex resumed>) = 0 [pid 4070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4069] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4067] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4066] <... futex resumed>) = 0 [pid 4064] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4072] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4071] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4070] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4069] <... symlinkat resumed>) = 0 [pid 4066] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4064] <... futex resumed>) = 0 [pid 4072] <... futex resumed>) = 1 [pid 4071] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 4070] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4069] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4068] <... futex resumed>) = 0 [pid 4072] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4071] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4070] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4069] <... futex resumed>) = 1 [pid 4067] <... futex resumed>) = 0 [pid 4064] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4068] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4072] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4071] <... futex resumed>) = 0 [pid 4070] <... futex resumed>) = 1 [pid 4069] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4067] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4068] <... futex resumed>) = 0 [pid 4066] <... futex resumed>) = 0 [pid 4064] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4072] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4071] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4070] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4068] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4067] <... futex resumed>) = 0 [pid 4066] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... restart_syscall resumed>) = 0 [pid 4064] exit_group(0 [pid 4072] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4069] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4071] <... futex resumed>) = ? [pid 4067] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4066] <... futex resumed>) = 0 [pid 4064] <... exit_group resumed>) = ? [pid 4072] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4071] +++ exited with 0 +++ [pid 4070] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4069] <... unlinkat resumed>) = 0 [pid 4066] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4070] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4069] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4067] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4069] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4067] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4064] +++ exited with 0 +++ [pid 4070] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4072] <... futex resumed>) = 1 [pid 4070] <... futex resumed>) = 1 [pid 4069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4068] <... futex resumed>) = 0 [pid 4067] <... futex resumed>) = 0 [pid 4066] <... futex resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 4073 attached [pid 4072] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4070] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4069] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4068] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4067] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4066] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4064, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4072] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4069] <... unlinkat resumed>) = 0 [pid 4068] <... futex resumed>) = 0 [pid 4066] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4073 [pid 4072] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4070] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4069] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4068] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4066] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4073] set_robust_list(0x5555810c5760, 24 [pid 4072] <... mkdirat resumed>) = 0 [pid 4069] <... futex resumed>) = 1 [pid 4067] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4072] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4070] <... symlinkat resumed>) = 0 [pid 4069] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4067] exit_group(0 [pid 4072] <... futex resumed>) = 1 [pid 4070] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4069] <... futex resumed>) = ? [pid 4073] <... set_robust_list resumed>) = 0 [pid 4068] <... futex resumed>) = 0 [pid 4067] <... exit_group resumed>) = ? [pid 4073] rt_sigprocmask(SIG_SETMASK, [] [pid 4072] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4070] <... futex resumed>) = 1 [pid 4069] +++ exited with 0 +++ [pid 4068] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4067] +++ exited with 0 +++ [pid 4066] <... futex resumed>) = 0 [pid 4072] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4070] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4068] <... futex resumed>) = 0 [pid 4066] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4072] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4068] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4066] <... futex resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4067, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4072] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4070] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4066] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4072] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... restart_syscall resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4072] <... futex resumed>) = 1 [pid 4070] <... unlinkat resumed>) = 0 [pid 4068] <... futex resumed>) = 0 [pid 4072] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4070] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4068] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4072] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4070] <... futex resumed>) = 1 [pid 4068] <... futex resumed>) = 0 [pid 4066] <... futex resumed>) = 0 [pid 4072] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4070] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4068] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4066] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4072] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4066] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4072] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4070] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4066] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4072] <... futex resumed>) = 1 [pid 4068] <... futex resumed>) = 0 [pid 4073] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4070] <... unlinkat resumed>) = 0 [pid 4068] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4073] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4073] setpgid(0, 0) = 0 [pid 4073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4072] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4070] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4068] <... futex resumed>) = 0 [pid 4072] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4068] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4073] <... openat resumed>) = 3 [pid 4072] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4070] <... futex resumed>) = 1 [pid 4066] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4074 [pid 306] <... restart_syscall resumed>) = 0 [pid 4073] write(3, "1000", 4 [pid 4072] <... futex resumed>) = 0 [pid 4070] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4068] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4066] exit_group(0 [pid 4073] <... write resumed>) = 4 [pid 4072] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4070] <... futex resumed>) = ? [pid 4068] exit_group(0 [pid 4066] <... exit_group resumed>) = ? [pid 312] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 4074 attached [pid 4073] close(3 [pid 4072] <... futex resumed>) = ? [pid 4070] +++ exited with 0 +++ [pid 4068] <... exit_group resumed>) = ? [pid 4066] +++ exited with 0 +++ [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4072] +++ exited with 0 +++ [pid 4073] <... close resumed>) = 0 [pid 4073] write(1, "executing program\n", 18 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4066, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4073] <... write resumed>) = 18 [pid 4073] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4073] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4073] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4073] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4068] +++ exited with 0 +++ [pid 4073] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE executing program [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4068, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4073] <... mprotect resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4073] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4074] set_robust_list(0x5555810c5760, 24 [pid 4073] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4073] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[4075]}, 88) = 4075 [pid 4073] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4076 [pid 4073] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4073] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4075 attached [pid 4074] <... set_robust_list resumed>) = 0 [pid 4073] <... futex resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 4073] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4074] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4074] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4075] set_robust_list(0x7f85c0c359a0, 24 [pid 4074] prctl(PR_SET_PDEATHSIG, SIGKILLci2-android-5-15/strace-static-x86_64: Process 4077 attached [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4077 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4076 attached [pid 4076] set_robust_list(0x5555810c5760, 24 [pid 4075] <... set_robust_list resumed>) = 0 [pid 4074] <... prctl resumed>) = 0 [pid 4076] <... set_robust_list resumed>) = 0 [pid 4076] rt_sigprocmask(SIG_SETMASK, [] [pid 4074] setpgid(0, 0 [pid 4075] rt_sigprocmask(SIG_SETMASK, [] [pid 4077] set_robust_list(0x5555810c5760, 24 [pid 4076] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4076] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4074] <... setpgid resumed>) = 0 [pid 4077] <... set_robust_list resumed>) = 0 [pid 4075] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4076] <... prctl resumed>) = 0 [pid 4076] setpgid(0, 0) = 0 [pid 4074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4075] mkdirat(AT_FDCWD, "./config", 0777 [pid 4076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4075] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4074] <... openat resumed>) = 3 [pid 4077] rt_sigprocmask(SIG_SETMASK, [] [pid 4076] <... openat resumed>) = 3 [pid 4076] write(3, "1000", 4) = 4 [pid 4076] close(3) = 0 [pid 4076] write(1, "executing program\n", 18) = 18 executing program [pid 4076] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4076] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4074] write(3, "1000", 4 [pid 4077] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4075] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4076] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4076] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4076] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4076] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4074] <... write resumed>) = 4 [pid 4076] <... mprotect resumed>) = 0 [pid 4074] close(3 [pid 4076] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4074] <... close resumed>) = 0 [pid 4076] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4074] write(1, "executing program\n", 18) = 18 [pid 4076] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} executing program [pid 4074] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4075] <... futex resumed>) = 1 [pid 4073] <... futex resumed>) = 0 [pid 4074] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4073] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4075] mount(NULL, "./config", "configfs", 0, NULL [pid 4074] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4073] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4078 attached [pid 4077] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4075] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4074] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4073] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4076] <... clone3 resumed> => {parent_tid=[4078]}, 88) = 4078 [pid 4078] set_robust_list(0x7f85c0c359a0, 24 [pid 4077] <... prctl resumed>) = 0 [pid 4075] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4074] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 4076] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4075] <... futex resumed>) = 1 [pid 4074] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4073] <... futex resumed>) = 0 [pid 4078] <... set_robust_list resumed>) = 0 [pid 4077] setpgid(0, 0 [pid 4076] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4075] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4073] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4076] <... futex resumed>) = 0 [pid 4073] <... futex resumed>) = 0 [pid 4076] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4075] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4074] <... mmap resumed>) = 0x7f85c0c15000 [pid 4073] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4078] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4078] mkdirat(AT_FDCWD, "./config", 0777 [pid 4077] <... setpgid resumed>) = 0 [pid 4075] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4074] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4078] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4078] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4076] <... futex resumed>) = 0 [pid 4078] mount(NULL, "./config", "configfs", 0, NULL [pid 4076] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4078] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4076] <... futex resumed>) = 0 [pid 4075] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4074] <... mprotect resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4075] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4074] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4078] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4076] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4075] <... futex resumed>) = 1 [pid 4073] <... futex resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4078] <... futex resumed>) = 0 [pid 4077] <... openat resumed>) = 3 [pid 4076] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4075] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4074] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4073] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4078] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4076] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4073] <... futex resumed>) = 0 [pid 4078] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4077] write(3, "1000", 4 [pid 4076] <... futex resumed>) = 0 [pid 4075] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4074] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4073] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4078] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4077] <... write resumed>) = 4 [pid 4076] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4075] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4078] <... futex resumed>) = 0 [pid 4076] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4079 [pid 4078] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4077] close(3 [pid 4076] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4075] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4074] <... clone3 resumed> => {parent_tid=[4080]}, 88) = 4080 ci2-android-5-15/strace-static-x86_64: Process 4079 attached [pid 4078] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4077] <... close resumed>) = 0 [pid 4076] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4078] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4076] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4078] <... futex resumed>) = 0 [pid 4076] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4078] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4076] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4078] <... mkdirat resumed>) = 0 [pid 4076] <... futex resumed>) = 0 [pid 4075] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4074] rt_sigprocmask(SIG_SETMASK, [] [pid 4077] write(1, "executing program\n", 18 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4078] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4076] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4078] <... futex resumed>) = 0 [pid 4077] <... write resumed>) = 18 [pid 4076] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4075] <... futex resumed>) = 1 [pid 4074] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 4073] <... futex resumed>) = 0 [pid 4078] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4076] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4073] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4078] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4076] <... futex resumed>) = 0 [pid 4073] <... futex resumed>) = 0 [pid 4078] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4076] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4073] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4078] <... symlinkat resumed>) = 0 [pid 4077] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4075] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4074] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4079] set_robust_list(0x5555810c5760, 24 [pid 4078] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4076] <... futex resumed>) = 0 [pid 4078] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4076] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4078] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4076] <... futex resumed>) = 0 [pid 4078] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4076] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4078] <... unlinkat resumed>) = 0 [pid 4077] <... futex resumed>) = 0 [pid 4075] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4074] <... futex resumed>) = 0 [pid 4078] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4077] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4075] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4079] <... set_robust_list resumed>) = 0 [pid 4078] <... futex resumed>) = 1 [pid 4077] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4076] <... futex resumed>) = 0 [pid 4075] <... futex resumed>) = 1 [pid 4074] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4073] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4080 attached [pid 4078] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4077] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4076] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4075] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4073] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4080] set_robust_list(0x7f85c0c359a0, 24 [pid 4078] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4077] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4076] <... futex resumed>) = 0 [pid 4075] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4073] <... futex resumed>) = 0 [pid 4080] <... set_robust_list resumed>) = 0 [pid 4078] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4077] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4076] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4075] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4073] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4080] rt_sigprocmask(SIG_SETMASK, [] [pid 4079] rt_sigprocmask(SIG_SETMASK, [] [pid 4078] <... unlinkat resumed>) = 0 [pid 4077] <... mmap resumed>) = 0x7f85c0c15000 [pid 4080] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4078] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4077] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4075] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4080] mkdirat(AT_FDCWD, "./config", 0777 [pid 4079] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4078] <... futex resumed>) = 1 [pid 4077] <... mprotect resumed>) = 0 [pid 4076] <... futex resumed>) = 0 [pid 4075] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4080] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4078] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4077] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4076] exit_group(0 [pid 4080] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4078] <... futex resumed>) = ? [pid 4077] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4076] <... exit_group resumed>) = ? [pid 4075] <... futex resumed>) = 1 [pid 4073] <... futex resumed>) = 0 [pid 4080] <... futex resumed>) = 1 [pid 4079] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4078] +++ exited with 0 +++ [pid 4077] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4076] +++ exited with 0 +++ [pid 4075] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4074] <... futex resumed>) = 0 [pid 4073] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4080] mount(NULL, "./config", "configfs", 0, NULL [pid 4075] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4074] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4073] <... futex resumed>) = 0 [pid 4080] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4079] <... prctl resumed>) = 0 [pid 4077] <... clone3 resumed> => {parent_tid=[4081]}, 88) = 4081 [pid 4075] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4074] <... futex resumed>) = 0 [pid 4073] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4076, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4080] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4077] rt_sigprocmask(SIG_SETMASK, [] [pid 4075] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4074] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4080] <... futex resumed>) = 0 [pid 4077] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4075] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4074] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4080] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4077] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4075] <... futex resumed>) = 1 [pid 4074] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4073] <... futex resumed>) = 0 [pid 4080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4077] <... futex resumed>) = 0 [pid 4075] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4074] <... futex resumed>) = 0 [pid 4073] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4080] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4077] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4075] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4074] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4073] <... futex resumed>) = 0 [pid 4080] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4075] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4073] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4080] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4079] setpgid(0, 0 [pid 4075] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4075] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4080] <... futex resumed>) = 1 [pid 4074] <... futex resumed>) = 0 [pid 4079] <... setpgid resumed>) = 0 [pid 4075] <... futex resumed>) = 1 [pid 4073] <... futex resumed>) = 0 [pid 4080] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4075] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4074] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4073] exit_group(0 [pid 4080] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4079] <... openat resumed>) = 3 [pid 4075] <... futex resumed>) = ? [pid 4074] <... futex resumed>) = 0 [pid 4073] <... exit_group resumed>) = ? [pid 4080] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4079] write(3, "1000", 4 [pid 4075] +++ exited with 0 +++ [pid 4074] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4073] +++ exited with 0 +++ [pid 4080] <... futex resumed>) = 0 [pid 4074] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4080] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4074] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4074] <... futex resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4073, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4080] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4074] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4079] <... write resumed>) = 4 [pid 4079] close(3 [pid 4080] <... mkdirat resumed>) = 0 [pid 4080] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4079] <... close resumed>) = 0 [pid 4080] <... futex resumed>) = 1 [pid 4074] <... futex resumed>) = 0 [pid 4079] write(1, "executing program\n", 18 [pid 4074] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4081 attached [pid 4080] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4079] <... write resumed>) = 18 [pid 4074] <... futex resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4081] set_robust_list(0x7f85c0c359a0, 24 [pid 4080] <... symlinkat resumed>) = 0 executing program [pid 4079] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4074] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4081] <... set_robust_list resumed>) = 0 [pid 4080] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4079] <... futex resumed>) = 0 [pid 4074] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4081] rt_sigprocmask(SIG_SETMASK, [] [pid 4080] <... futex resumed>) = 0 [pid 4079] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4074] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4081] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4080] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4079] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4074] <... futex resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4080] <... unlinkat resumed>) = 0 [pid 4079] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4074] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4081] mkdirat(AT_FDCWD, "./config", 0777 [pid 4080] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4079] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4074] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4081] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4080] <... futex resumed>) = 0 [pid 4079] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4081] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4080] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4079] <... mmap resumed>) = 0x7f85c0c15000 [pid 4074] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4079] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4079] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4074] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4082 [pid 4080] <... unlinkat resumed>) = 0 [pid 4079] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4074] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4081] <... futex resumed>) = 1 [pid 4080] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4077] <... futex resumed>) = 0 [pid 4074] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4079] <... clone3 resumed> => {parent_tid=[4083]}, 88) = 4083 [pid 4079] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4079] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4079] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4077] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4074] exit_group(0 [pid 4080] <... futex resumed>) = 0 [pid 4081] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4077] <... futex resumed>) = 0 [pid 4074] <... exit_group resumed>) = ? [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4084 [pid 4077] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4082 attached [pid 4082] set_robust_list(0x5555810c5760, 24) = 0 [pid 4082] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4082] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4080] +++ exited with 0 +++ [pid 4074] +++ exited with 0 +++ [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4082] setpgid(0, 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4074, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4082] <... setpgid resumed>) = 0 [pid 4081] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4081] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4083 attached [pid 4082] <... openat resumed>) = 3 [pid 4081] <... futex resumed>) = 1 [pid 4077] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4084 attached [pid 4081] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4077] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4082] write(3, "1000", 4 [pid 4077] <... futex resumed>) = 0 [pid 4081] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4077] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4082] <... write resumed>) = 4 [pid 4081] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4084] set_robust_list(0x5555810c5760, 24 [pid 4082] close(3) = 0 [pid 4084] <... set_robust_list resumed>) = 0 [pid 4081] <... futex resumed>) = 1 [pid 4077] <... futex resumed>) = 0 [pid 4082] write(1, "executing program\n", 18 [pid 4081] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4077] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4084] rt_sigprocmask(SIG_SETMASK, [] [pid 4083] set_robust_list(0x7f85c0c359a0, 24 executing program [pid 4082] <... write resumed>) = 18 [pid 4081] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4077] <... futex resumed>) = 0 [pid 4084] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4082] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4081] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4077] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4081] <... futex resumed>) = 0 [pid 4077] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4081] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4077] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4077] <... futex resumed>) = 0 [pid 4081] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4077] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4084] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4082] <... futex resumed>) = 0 [pid 4081] <... mkdirat resumed>) = 0 [pid 4084] <... prctl resumed>) = 0 [pid 4082] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4081] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4084] setpgid(0, 0 [pid 4082] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4081] <... futex resumed>) = 1 [pid 4077] <... futex resumed>) = 0 [pid 4081] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4077] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4077] <... futex resumed>) = 0 [pid 4081] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4077] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4084] <... setpgid resumed>) = 0 [pid 4082] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4081] <... symlinkat resumed>) = 0 [pid 4084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4082] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4081] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4083] <... set_robust_list resumed>) = 0 [pid 4081] <... futex resumed>) = 1 [pid 4077] <... futex resumed>) = 0 [pid 4081] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4077] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4077] <... futex resumed>) = 0 [pid 4081] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4077] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4084] <... openat resumed>) = 3 [pid 4082] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4081] <... unlinkat resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 4081] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4077] <... futex resumed>) = 0 [pid 4084] write(3, "1000", 4 [pid 4082] <... mmap resumed>) = 0x7f85c0c15000 [pid 4081] <... futex resumed>) = 1 [pid 4077] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4081] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4077] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4077] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4081] <... unlinkat resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4081] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4084] <... write resumed>) = 4 [pid 4082] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4084] close(3 [pid 4082] <... mprotect resumed>) = 0 [pid 4084] <... close resumed>) = 0 [pid 4082] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4084] write(1, "executing program\n", 18 [pid 4082] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4081] <... futex resumed>) = 1 [pid 4077] <... futex resumed>) = 0 [pid 4084] <... write resumed>) = 18 executing program [pid 4082] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4081] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4085 [pid 4084] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4083] rt_sigprocmask(SIG_SETMASK, [] [pid 4077] exit_group(0 [pid 4084] <... futex resumed>) = 0 [pid 4082] <... clone3 resumed> => {parent_tid=[4086]}, 88) = 4086 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4084] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4083] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4082] rt_sigprocmask(SIG_SETMASK, [] [pid 4081] <... futex resumed>) = ? [pid 4077] <... exit_group resumed>) = ? [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4084] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4082] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4084] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4082] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4084] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4082] <... futex resumed>) = 0 [pid 4084] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4082] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4084] <... mmap resumed>) = 0x7f85c0c15000 [pid 4084] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4084] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4081] +++ exited with 0 +++ [pid 4077] +++ exited with 0 +++ [pid 4084] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4083] mkdirat(AT_FDCWD, "./config", 0777ci2-android-5-15/strace-static-x86_64: Process 4087 attached ci2-android-5-15/strace-static-x86_64: Process 4086 attached [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4077, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4084] <... clone3 resumed> => {parent_tid=[4087]}, 88) = 4087 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4084] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4084] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4087] set_robust_list(0x7f85c0c359a0, 24 [pid 4086] set_robust_list(0x7f85c0c359a0, 24 [pid 4084] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4083] <... mkdirat resumed>) = -1 EEXIST (File exists) ci2-android-5-15/strace-static-x86_64: Process 4088 attached [pid 4084] <... futex resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4088 [pid 4084] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4086] <... set_robust_list resumed>) = 0 [pid 4083] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4083] <... futex resumed>) = 1 [pid 4079] <... futex resumed>) = 0 [pid 4086] rt_sigprocmask(SIG_SETMASK, [] [pid 4087] <... set_robust_list resumed>) = 0 [pid 4079] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4085 attached ) = 0 [pid 4085] set_robust_list(0x5555810c5760, 24 [pid 4079] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4086] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4085] <... set_robust_list resumed>) = 0 [pid 4083] mount(NULL, "./config", "configfs", 0, NULL [pid 4086] mkdirat(AT_FDCWD, "./config", 0777 [pid 4085] rt_sigprocmask(SIG_SETMASK, [] [pid 4083] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4085] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4085] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4086] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4083] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4085] <... prctl resumed>) = 0 [pid 4085] setpgid(0, 0 [pid 4086] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4085] <... setpgid resumed>) = 0 [pid 4083] <... futex resumed>) = 1 [pid 4079] <... futex resumed>) = 0 [pid 4085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4079] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4088] set_robust_list(0x5555810c5760, 24 [pid 4087] rt_sigprocmask(SIG_SETMASK, [] [pid 4086] <... futex resumed>) = 1 [pid 4083] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4082] <... futex resumed>) = 0 [pid 4079] <... futex resumed>) = 0 [pid 4086] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4082] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4079] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4086] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4083] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4082] <... futex resumed>) = 0 [pid 4086] mount(NULL, "./config", "configfs", 0, NULL [pid 4083] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4082] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4086] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4083] <... futex resumed>) = 1 [pid 4079] <... futex resumed>) = 0 [pid 4086] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4083] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4079] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4086] <... futex resumed>) = 1 [pid 4083] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4082] <... futex resumed>) = 0 [pid 4079] <... futex resumed>) = 0 [pid 4086] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4083] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4082] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4079] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4086] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4083] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4082] <... futex resumed>) = 0 [pid 4086] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4083] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4082] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4088] <... set_robust_list resumed>) = 0 [pid 4087] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4086] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4085] <... openat resumed>) = 3 [pid 4083] <... futex resumed>) = 1 [pid 4079] <... futex resumed>) = 0 [pid 4086] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4083] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4087] mkdirat(AT_FDCWD, "./config", 0777 [pid 4079] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4086] <... futex resumed>) = 1 [pid 4083] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4082] <... futex resumed>) = 0 [pid 4079] <... futex resumed>) = 0 [pid 4087] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4086] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4083] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4082] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4079] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4087] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4086] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4082] <... futex resumed>) = 0 [pid 4086] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4083] <... mkdirat resumed>) = 0 [pid 4082] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4087] <... futex resumed>) = 1 [pid 4086] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4084] <... futex resumed>) = 0 [pid 4083] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4087] mount(NULL, "./config", "configfs", 0, NULL [pid 4086] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4084] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4083] <... futex resumed>) = 1 [pid 4079] <... futex resumed>) = 0 [pid 4087] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4086] <... futex resumed>) = 1 [pid 4084] <... futex resumed>) = 0 [pid 4083] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4082] <... futex resumed>) = 0 [pid 4079] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4087] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4086] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4084] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4083] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4082] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4079] <... futex resumed>) = 0 [pid 4087] <... futex resumed>) = 0 [pid 4086] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4084] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4083] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4082] <... futex resumed>) = 0 [pid 4079] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4087] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4086] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4084] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4083] <... symlinkat resumed>) = 0 [pid 4082] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4087] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4086] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4084] <... futex resumed>) = 0 [pid 4083] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4087] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4086] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4084] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4087] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4086] <... futex resumed>) = 1 [pid 4083] <... futex resumed>) = 1 [pid 4082] <... futex resumed>) = 0 [pid 4079] <... futex resumed>) = 0 [pid 4087] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4086] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4083] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4082] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4079] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4087] <... futex resumed>) = 1 [pid 4086] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4084] <... futex resumed>) = 0 [pid 4083] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4082] <... futex resumed>) = 0 [pid 4079] <... futex resumed>) = 0 [pid 4087] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4086] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4085] write(3, "1000", 4 [pid 4084] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4083] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4082] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4079] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4087] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4086] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4085] <... write resumed>) = 4 [pid 4084] <... futex resumed>) = 0 [pid 4083] <... unlinkat resumed>) = 0 [pid 4087] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4086] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4084] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4087] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4086] <... futex resumed>) = 1 [pid 4085] close(3 [pid 4083] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4082] <... futex resumed>) = 0 [pid 4087] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4086] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4085] <... close resumed>) = 0 [pid 4083] <... futex resumed>) = 1 [pid 4082] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4079] <... futex resumed>) = 0 [pid 4088] rt_sigprocmask(SIG_SETMASK, [] [pid 4087] <... futex resumed>) = 1 [pid 4086] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4085] write(1, "executing program\n", 18 [pid 4084] <... futex resumed>) = 0 [pid 4083] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4082] <... futex resumed>) = 0 executing program [pid 4079] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4088] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4087] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4086] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4085] <... write resumed>) = 18 [pid 4084] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4083] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4082] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4079] <... futex resumed>) = 0 [pid 4088] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4087] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4086] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4085] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4084] <... futex resumed>) = 0 [pid 4083] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4079] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4088] <... prctl resumed>) = 0 [pid 4087] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4086] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4084] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4086] <... futex resumed>) = 1 [pid 4085] <... futex resumed>) = 0 [pid 4083] <... unlinkat resumed>) = 0 [pid 4082] <... futex resumed>) = 0 [pid 4088] setpgid(0, 0 [pid 4087] <... mkdirat resumed>) = 0 [pid 4086] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4085] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4083] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4082] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4088] <... setpgid resumed>) = 0 [pid 4087] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4086] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4085] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4083] <... futex resumed>) = 1 [pid 4082] <... futex resumed>) = 0 [pid 4079] <... futex resumed>) = 0 [pid 4088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4087] <... futex resumed>) = 1 [pid 4086] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4085] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4084] <... futex resumed>) = 0 [pid 4083] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4082] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4079] exit_group(0 [pid 4088] <... openat resumed>) = 3 [pid 4087] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4086] <... unlinkat resumed>) = 0 [pid 4085] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4084] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4083] <... futex resumed>) = ? [pid 4079] <... exit_group resumed>) = ? [pid 4088] write(3, "1000", 4 [pid 4087] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4086] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4085] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4084] <... futex resumed>) = 0 [pid 4083] +++ exited with 0 +++ [pid 4079] +++ exited with 0 +++ [pid 4088] <... write resumed>) = 4 [pid 4087] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4086] <... futex resumed>) = 1 [pid 4084] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4082] <... futex resumed>) = 0 [pid 4088] close(3 [pid 4087] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4086] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4085] <... mmap resumed>) = 0x7f85c0c15000 [pid 4082] exit_group(0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4079, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4088] <... close resumed>) = 0 [pid 4087] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4086] <... futex resumed>) = ? [pid 4085] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4082] <... exit_group resumed>) = ? [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4088] write(1, "executing program\n", 18 [pid 4087] <... futex resumed>) = 1 [pid 4086] +++ exited with 0 +++ [pid 4085] <... mprotect resumed>) = 0 [pid 4084] <... futex resumed>) = 0 [pid 4082] +++ exited with 0 +++ [pid 4088] <... write resumed>) = 18 [pid 4087] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL executing program [pid 4084] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4088] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4087] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4085] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4084] <... futex resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4082, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4088] <... futex resumed>) = 0 [pid 4087] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4085] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4084] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4088] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4087] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4085] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4088] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4087] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4089 attached [pid 4088] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4087] <... futex resumed>) = 1 [pid 4084] <... futex resumed>) = 0 [pid 4088] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4087] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4085] <... clone3 resumed> => {parent_tid=[4089]}, 88) = 4089 [pid 4084] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4088] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4087] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4085] rt_sigprocmask(SIG_SETMASK, [] [pid 4084] <... futex resumed>) = 0 [pid 4088] <... mmap resumed>) = 0x7f85c0c15000 [pid 4087] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4085] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4084] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4088] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4087] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4085] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4088] <... mprotect resumed>) = 0 [pid 4087] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4085] <... futex resumed>) = 0 [pid 4088] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4087] <... futex resumed>) = 1 [pid 4084] <... futex resumed>) = 0 [pid 4088] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4087] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4085] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4084] exit_group(0 [pid 4088] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4087] <... futex resumed>) = ? [pid 4084] <... exit_group resumed>) = ? [pid 4087] +++ exited with 0 +++ [pid 4084] +++ exited with 0 +++ [pid 4088] <... clone3 resumed> => {parent_tid=[4090]}, 88) = 4090 [pid 4088] rt_sigprocmask(SIG_SETMASK, [] [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4084, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4088] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4088] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4089] set_robust_list(0x7f85c0c359a0, 24 [pid 4088] <... futex resumed>) = 0 [pid 4089] <... set_robust_list resumed>) = 0 [pid 4088] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4089] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4089] mkdirat(AT_FDCWD, "./config", 0777ci2-android-5-15/strace-static-x86_64: Process 4090 attached [pid 4090] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4090] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4090] mkdirat(AT_FDCWD, "./config", 0777 [pid 4089] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4090] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4090] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4088] <... futex resumed>) = 0 [pid 4089] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4090] mount(NULL, "./config", "configfs", 0, NULL [pid 4088] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4089] <... futex resumed>) = 1 [pid 4085] <... futex resumed>) = 0 [pid 4088] <... futex resumed>) = 0 [pid 4085] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4089] mount(NULL, "./config", "configfs", 0, NULL [pid 4088] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4085] <... futex resumed>) = 0 [pid 4090] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4089] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4085] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4090] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4089] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4090] <... futex resumed>) = 1 [pid 4088] <... futex resumed>) = 0 [pid 4085] <... futex resumed>) = 0 [pid 4089] <... futex resumed>) = 1 [pid 4088] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4085] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4089] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4088] <... futex resumed>) = 0 [pid 4085] <... futex resumed>) = 0 [pid 4088] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4085] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4089] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4090] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4089] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 4089] <... futex resumed>) = 1 [pid 4085] <... futex resumed>) = 0 [pid 4085] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4089] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4085] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4089] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4085] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4089] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4085] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4085] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4089] <... futex resumed>) = 0 [pid 4085] <... futex resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4089] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4085] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4091 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4092 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4090] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4093 [pid 4088] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4088] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4088] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4088] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4090] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4089] <... mkdirat resumed>) = 0 [pid 4090] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4090] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4088] <... futex resumed>) = 0 [pid 4089] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4093 attached ci2-android-5-15/strace-static-x86_64: Process 4092 attached ci2-android-5-15/strace-static-x86_64: Process 4091 attached [pid 4090] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4089] <... futex resumed>) = 1 [pid 4088] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4085] <... futex resumed>) = 0 [pid 4093] set_robust_list(0x5555810c5760, 24) = 0 [pid 4089] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4088] <... futex resumed>) = 0 [pid 4085] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4093] rt_sigprocmask(SIG_SETMASK, [] [pid 4092] set_robust_list(0x5555810c5760, 24 [pid 4091] set_robust_list(0x5555810c5760, 24 [pid 4090] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4089] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4088] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4085] <... futex resumed>) = 0 [pid 4092] <... set_robust_list resumed>) = 0 [pid 4089] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4092] rt_sigprocmask(SIG_SETMASK, [] [pid 4089] <... symlinkat resumed>) = 0 [pid 4092] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4091] <... set_robust_list resumed>) = 0 [pid 4089] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4085] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4093] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4092] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4091] rt_sigprocmask(SIG_SETMASK, [] [pid 4090] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4089] <... futex resumed>) = 0 [pid 4092] <... prctl resumed>) = 0 [pid 4091] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4089] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4092] setpgid(0, 0 [pid 4091] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4092] <... setpgid resumed>) = 0 [pid 4092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4091] <... prctl resumed>) = 0 [pid 4092] <... openat resumed>) = 3 [pid 4092] write(3, "1000", 4 [pid 4091] setpgid(0, 0 [pid 4092] <... write resumed>) = 4 [pid 4092] close(3 [pid 4091] <... setpgid resumed>) = 0 [pid 4092] <... close resumed>) = 0 executing program [pid 4092] write(1, "executing program\n", 18 [pid 4091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4092] <... write resumed>) = 18 [pid 4092] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4091] <... openat resumed>) = 3 [pid 4092] <... futex resumed>) = 0 [pid 4085] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4092] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4091] write(3, "1000", 4 [pid 4085] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4092] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4092] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4091] <... write resumed>) = 4 [pid 4089] <... futex resumed>) = 0 [pid 4085] <... futex resumed>) = 1 [pid 4092] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4091] close(3 [pid 4089] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4085] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4092] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4091] <... close resumed>) = 0 [pid 4089] <... unlinkat resumed>) = 0 [pid 4092] <... mmap resumed>) = 0x7f85c0c15000 [pid 4091] write(1, "executing program\n", 18 [pid 4089] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4092] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4091] <... write resumed>) = 18 [pid 4089] <... futex resumed>) = 1 executing program [pid 4092] <... mprotect resumed>) = 0 [pid 4091] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4089] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4085] <... futex resumed>) = 0 [pid 4092] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4091] <... futex resumed>) = 0 [pid 4092] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4092] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4091] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4085] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4092] <... clone3 resumed> => {parent_tid=[4094]}, 88) = 4094 [pid 4091] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4089] <... futex resumed>) = 0 [pid 4085] <... futex resumed>) = 1 [pid 4092] rt_sigprocmask(SIG_SETMASK, [] [pid 4091] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4089] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4092] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4091] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4089] <... unlinkat resumed>) = 0 [pid 4085] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4092] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4091] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4089] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4085] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4092] <... futex resumed>) = 0 [pid 4091] <... mmap resumed>) = 0x7f85c0c15000 [pid 4089] <... futex resumed>) = 0 [pid 4092] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4091] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4089] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4085] exit_group(0 [pid 4091] <... mprotect resumed>) = 0 [pid 4091] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4089] <... futex resumed>) = ? [pid 4085] <... exit_group resumed>) = ? [pid 4091] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4089] +++ exited with 0 +++ [pid 4091] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[4095]}, 88) = 4095 [pid 4091] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4091] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4091] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4094 attached [pid 4094] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4085] +++ exited with 0 +++ [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4085, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4094] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4095 attached [pid 4094] mkdirat(AT_FDCWD, "./config", 0777 [pid 4095] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4095] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 4090] <... futex resumed>) = 1 [pid 4088] <... futex resumed>) = 0 [pid 4088] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4088] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4095] mkdirat(AT_FDCWD, "./config", 0777 [pid 4094] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4093] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4090] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0"ci2-android-5-15/strace-static-x86_64: Process 4096 attached ) = -1 ENOENT (No such file or directory) [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4096 [pid 4096] set_robust_list(0x5555810c5760, 24 [pid 4095] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4094] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4093] <... prctl resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4090] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4088] <... futex resumed>) = 0 [pid 4088] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4088] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4090] <... futex resumed>) = 1 [pid 4090] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4096] <... set_robust_list resumed>) = 0 [pid 4095] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4094] <... futex resumed>) = 1 [pid 4093] setpgid(0, 0 [pid 4092] <... futex resumed>) = 0 [pid 4094] mount(NULL, "./config", "configfs", 0, NULL [pid 4093] <... setpgid resumed>) = 0 [pid 4092] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4090] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4092] <... futex resumed>) = 0 [pid 4092] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4090] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4088] <... futex resumed>) = 0 [pid 4088] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4096] rt_sigprocmask(SIG_SETMASK, [] [pid 4093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4088] <... futex resumed>) = 0 [pid 4096] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4095] <... futex resumed>) = 1 [pid 4094] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4091] <... futex resumed>) = 0 [pid 4088] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4095] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4094] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4093] <... openat resumed>) = 3 [pid 4091] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4096] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4091] <... futex resumed>) = 0 [pid 4095] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4092] <... futex resumed>) = 0 [pid 4091] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4094] <... futex resumed>) = 1 [pid 4096] <... prctl resumed>) = 0 [pid 4095] mount(NULL, "./config", "configfs", 0, NULL [pid 4093] write(3, "1000", 4 [pid 4092] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4090] <... futex resumed>) = 1 [pid 4094] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4092] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4095] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4094] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4096] setpgid(0, 0 [pid 4093] <... write resumed>) = 4 [pid 4090] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = -1 ENOENT (No such file or directory) [pid 4096] <... setpgid resumed>) = 0 [pid 4095] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4094] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4093] close(3 [pid 4090] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4088] <... futex resumed>) = 0 [pid 4090] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4088] exit_group(0 [pid 4095] <... futex resumed>) = 1 [pid 4096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4094] <... futex resumed>) = 1 [pid 4093] <... close resumed>) = 0 [pid 4092] <... futex resumed>) = 0 [pid 4091] <... futex resumed>) = 0 [pid 4090] <... futex resumed>) = ? [pid 4088] <... exit_group resumed>) = ? [pid 4096] <... openat resumed>) = 3 [pid 4095] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4094] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4093] write(1, "executing program\n", 18 executing program [pid 4092] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4091] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4096] write(3, "1000", 4 [pid 4095] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4094] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4093] <... write resumed>) = 18 [pid 4092] <... futex resumed>) = 0 [pid 4091] <... futex resumed>) = 0 [pid 4090] +++ exited with 0 +++ [pid 4088] +++ exited with 0 +++ [pid 4096] <... write resumed>) = 4 [pid 4095] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4094] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4093] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4092] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4091] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4088, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4096] close(3 [pid 4095] <... futex resumed>) = 0 [pid 4094] <... futex resumed>) = 0 [pid 4093] <... futex resumed>) = 0 [pid 4092] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4091] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4096] <... close resumed>) = 0 [pid 4095] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4094] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4093] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4092] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4091] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4096] write(1, "executing program\n", 18 [pid 4095] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 4094] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4093] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4092] <... futex resumed>) = 0 [pid 4091] <... futex resumed>) = 0 [pid 4096] <... write resumed>) = 18 [pid 4095] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4094] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4093] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4092] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4091] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4096] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4095] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4094] <... mkdirat resumed>) = 0 [pid 4093] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4096] <... futex resumed>) = 0 [pid 4095] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4094] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4093] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4096] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4095] <... futex resumed>) = 1 [pid 4094] <... futex resumed>) = 1 [pid 4093] <... mmap resumed>) = 0x7f85c0c15000 [pid 4092] <... futex resumed>) = 0 [pid 4091] <... futex resumed>) = 0 [pid 4096] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4095] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4094] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4093] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4092] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4091] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4096] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4095] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4094] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4093] <... mprotect resumed>) = 0 [pid 4092] <... futex resumed>) = 0 [pid 4091] <... futex resumed>) = 0 [pid 4096] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4095] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4094] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4093] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4092] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4091] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4096] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4095] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4094] <... symlinkat resumed>) = 0 [pid 4093] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4096] <... mmap resumed>) = 0x7f85c0c15000 [pid 4095] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4094] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4093] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4096] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4095] <... futex resumed>) = 1 [pid 4094] <... futex resumed>) = 1 [pid 4092] <... futex resumed>) = 0 [pid 4091] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4097 attached [pid 4096] <... mprotect resumed>) = 0 [pid 4095] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4094] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4093] <... clone3 resumed> => {parent_tid=[4097]}, 88) = 4097 [pid 4092] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4091] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4096] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4095] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4094] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4093] rt_sigprocmask(SIG_SETMASK, [] [pid 4092] <... futex resumed>) = 0 [pid 4091] <... futex resumed>) = 0 [pid 4096] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4095] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4094] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4093] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4092] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4091] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... restart_syscall resumed>) = 0 [pid 4096] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4095] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4094] <... unlinkat resumed>) = 0 [pid 4093] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4095] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4094] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4093] <... futex resumed>) = 0 [pid 4096] <... clone3 resumed> => {parent_tid=[4098]}, 88) = 4098 [pid 4095] <... futex resumed>) = 1 [pid 4094] <... futex resumed>) = 1 [pid 4093] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4092] <... futex resumed>) = 0 [pid 4091] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4096] rt_sigprocmask(SIG_SETMASK, [] [pid 4095] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4094] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4092] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4091] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4096] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4095] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4094] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4092] <... futex resumed>) = 0 [pid 4091] <... futex resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 4098 attached [pid 4097] set_robust_list(0x7f85c0c359a0, 24 [pid 4096] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4095] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4094] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4092] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4091] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4099 attached [pid 4098] set_robust_list(0x7f85c0c359a0, 24 [pid 4097] <... set_robust_list resumed>) = 0 [pid 4096] <... futex resumed>) = 0 [pid 4095] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4094] <... unlinkat resumed>) = 0 [pid 4099] set_robust_list(0x5555810c5760, 24 [pid 4098] <... set_robust_list resumed>) = 0 [pid 4097] rt_sigprocmask(SIG_SETMASK, [] [pid 4096] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4095] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4094] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4099 [pid 4099] <... set_robust_list resumed>) = 0 [pid 4098] rt_sigprocmask(SIG_SETMASK, [] [pid 4095] <... futex resumed>) = 1 [pid 4094] <... futex resumed>) = 1 [pid 4092] <... futex resumed>) = 0 [pid 4091] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4097] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4098] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4095] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4094] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4092] exit_group(0 [pid 4091] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4098] mkdirat(AT_FDCWD, "./config", 0777 [pid 4095] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4094] <... futex resumed>) = ? [pid 4092] <... exit_group resumed>) = ? [pid 4091] <... futex resumed>) = 0 [pid 4099] rt_sigprocmask(SIG_SETMASK, [] [pid 4098] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4097] mkdirat(AT_FDCWD, "./config", 0777 [pid 4095] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4094] +++ exited with 0 +++ [pid 4092] +++ exited with 0 +++ [pid 4091] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4098] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4095] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4092, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4098] <... futex resumed>) = 1 [pid 4096] <... futex resumed>) = 0 [pid 4095] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4098] mount(NULL, "./config", "configfs", 0, NULL [pid 4096] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4095] <... futex resumed>) = 1 [pid 4091] <... futex resumed>) = 0 [pid 4098] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4097] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4096] <... futex resumed>) = 0 [pid 4095] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4091] exit_group(0 [pid 4098] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4096] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4095] <... futex resumed>) = ? [pid 4091] <... exit_group resumed>) = ? [pid 4099] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4098] <... futex resumed>) = 0 [pid 4097] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4096] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4095] +++ exited with 0 +++ [pid 4091] +++ exited with 0 +++ [pid 4098] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4096] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4096] <... futex resumed>) = 0 [pid 4098] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4097] <... futex resumed>) = 1 [pid 4096] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4093] <... futex resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4091, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4098] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4093] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4098] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4093] <... futex resumed>) = 0 [pid 4098] <... futex resumed>) = 1 [pid 4097] mount(NULL, "./config", "configfs", 0, NULL [pid 4096] <... futex resumed>) = 0 [pid 4093] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4098] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4096] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4096] <... futex resumed>) = 0 [pid 4098] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4096] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4098] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4098] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4096] <... futex resumed>) = 0 [pid 4098] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4096] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4096] <... futex resumed>) = 0 [pid 4098] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4096] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4098] <... mkdirat resumed>) = 0 [pid 4098] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4097] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4098] <... futex resumed>) = 1 [pid 4096] <... futex resumed>) = 0 [pid 4098] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4096] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4096] <... futex resumed>) = 0 [pid 4098] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4096] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4098] <... symlinkat resumed>) = 0 [pid 4098] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4096] <... futex resumed>) = 0 [pid 4098] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4096] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4096] <... futex resumed>) = 0 [pid 4098] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4096] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4098] <... unlinkat resumed>) = 0 [pid 4098] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4096] <... futex resumed>) = 0 [pid 4098] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4096] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4096] <... futex resumed>) = 0 [pid 4098] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4096] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4098] <... unlinkat resumed>) = 0 [pid 4098] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4096] <... futex resumed>) = 0 [pid 4098] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4096] exit_group(0 [pid 4098] <... futex resumed>) = ? [pid 4096] <... exit_group resumed>) = ? [pid 4099] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4098] +++ exited with 0 +++ [pid 4097] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4096] +++ exited with 0 +++ [pid 4097] <... futex resumed>) = 1 [pid 4093] <... futex resumed>) = 0 [pid 4097] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4093] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4096, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4097] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4093] <... futex resumed>) = 0 [pid 4097] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4093] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4099] <... prctl resumed>) = 0 [pid 4097] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4099] setpgid(0, 0 [pid 4097] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4099] <... setpgid resumed>) = 0 [pid 4097] <... futex resumed>) = 1 [pid 4093] <... futex resumed>) = 0 [pid 4097] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4093] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4097] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4093] <... futex resumed>) = 0 [pid 4097] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4093] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4097] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4099] <... openat resumed>) = 3 [pid 4097] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4099] write(3, "1000", 4 [pid 4097] <... futex resumed>) = 1 [pid 4093] <... futex resumed>) = 0 [pid 4099] <... write resumed>) = 4 [pid 4097] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4099] close(3 [pid 4093] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4099] <... close resumed>) = 0 [pid 4097] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4093] <... futex resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4093] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4097] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4099] write(1, "executing program\n", 18 [pid 311] <... restart_syscall resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4099] <... write resumed>) = 18 [pid 4097] <... mkdirat resumed>) = 0 executing program [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4099] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4097] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4099] <... futex resumed>) = 0 [pid 4097] <... futex resumed>) = 1 [pid 4093] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4101 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4100 [pid 4099] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4097] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4093] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 4101 attached [pid 4099] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4097] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4093] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4101] set_robust_list(0x5555810c5760, 24 [pid 4093] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4099] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4097] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4102 [pid 4101] <... set_robust_list resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4101] rt_sigprocmask(SIG_SETMASK, [] [pid 4099] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4097] <... symlinkat resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4099] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4097] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4101] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4093] <... futex resumed>) = 0 [pid 4099] <... mmap resumed>) = 0x7f85c0c15000 [pid 4097] <... futex resumed>) = 1 [pid 4093] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4097] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4099] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4093] <... futex resumed>) = 0 [pid 4101] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4097] <... unlinkat resumed>) = 0 [pid 4093] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4099] <... mprotect resumed>) = 0 [pid 4097] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4093] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4097] <... futex resumed>) = 0 [pid 4093] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4097] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4093] <... futex resumed>) = 0 [pid 4099] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4093] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4101] <... prctl resumed>) = 0 [pid 4101] setpgid(0, 0 [pid 4099] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4097] <... unlinkat resumed>) = 0 [pid 4101] <... setpgid resumed>) = 0 [pid 4099] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4097] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4097] <... futex resumed>) = 1 [pid 4093] <... futex resumed>) = 0 [pid 4097] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4093] exit_group(0 [pid 4101] <... openat resumed>) = 3 [pid 4097] <... futex resumed>) = ? [pid 4093] <... exit_group resumed>) = ? [pid 4101] write(3, "1000", 4) = 4 [pid 4101] close(3) = 0 [pid 4101] write(1, "executing program\n", 18) = 18 [pid 4101] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4101] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4101] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4101] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4097] +++ exited with 0 +++ [pid 4093] +++ exited with 0 +++ executing program [pid 4099] <... clone3 resumed> => {parent_tid=[4103]}, 88) = 4103 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4093, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4101] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4101] <... mprotect resumed>) = 0 [pid 4101] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4101] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0}ci2-android-5-15/strace-static-x86_64: Process 4104 attached ci2-android-5-15/strace-static-x86_64: Process 4103 attached => {parent_tid=[4104]}, 88) = 4104 [pid 4099] rt_sigprocmask(SIG_SETMASK, [] [pid 4101] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4101] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4101] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4102 attached [pid 4102] set_robust_list(0x5555810c5760, 24ci2-android-5-15/strace-static-x86_64: Process 4100 attached ) = 0 [pid 4102] rt_sigprocmask(SIG_SETMASK, [] [pid 4100] set_robust_list(0x5555810c5760, 24 [pid 4099] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4104] set_robust_list(0x7f85c0c359a0, 24 [pid 4099] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4100] <... set_robust_list resumed>) = 0 [pid 4099] <... futex resumed>) = 0 [pid 4100] rt_sigprocmask(SIG_SETMASK, [] [pid 4099] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4102] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4100] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4102] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4104] <... set_robust_list resumed>) = 0 [pid 4100] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4102] <... prctl resumed>) = 0 [pid 4100] <... prctl resumed>) = 0 [pid 4102] setpgid(0, 0 [pid 4100] setpgid(0, 0 [pid 4102] <... setpgid resumed>) = 0 [pid 4100] <... setpgid resumed>) = 0 [pid 4104] rt_sigprocmask(SIG_SETMASK, [] [pid 4103] set_robust_list(0x7f85c0c359a0, 24 [pid 4102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4104] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4103] <... set_robust_list resumed>) = 0 [pid 4102] <... openat resumed>) = 3 [pid 4100] <... openat resumed>) = 3 [pid 4102] write(3, "1000", 4 [pid 4100] write(3, "1000", 4 [pid 4102] <... write resumed>) = 4 [pid 4100] <... write resumed>) = 4 [pid 4102] close(3 [pid 4100] close(3 [pid 4102] <... close resumed>) = 0 [pid 4100] <... close resumed>) = 0 [pid 4102] write(1, "executing program\n", 18 [pid 4100] write(1, "executing program\n", 18 [pid 4102] <... write resumed>) = 18 [pid 4100] <... write resumed>) = 18 [pid 4102] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program executing program [pid 4100] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4102] <... futex resumed>) = 0 [pid 4100] <... futex resumed>) = 0 [pid 4102] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4100] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4102] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4100] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4102] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4100] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4102] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4100] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4102] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4100] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4102] <... mmap resumed>) = 0x7f85c0c15000 [pid 4100] <... mmap resumed>) = 0x7f85c0c15000 [pid 4102] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4100] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4102] <... mprotect resumed>) = 0 [pid 4100] <... mprotect resumed>) = 0 [pid 4104] mkdirat(AT_FDCWD, "./config", 0777 [pid 4102] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4100] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4104] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4103] rt_sigprocmask(SIG_SETMASK, [] [pid 4102] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4100] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4102] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4100] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4104] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4103] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4104] <... futex resumed>) = 1 [pid 4102] <... clone3 resumed> => {parent_tid=[4106]}, 88) = 4106 [pid 4101] <... futex resumed>) = 0 [pid 4100] <... clone3 resumed> => {parent_tid=[4105]}, 88) = 4105 [pid 4102] rt_sigprocmask(SIG_SETMASK, [] [pid 4101] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4102] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4101] <... futex resumed>) = 0 [pid 4100] rt_sigprocmask(SIG_SETMASK, [] [pid 4102] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4101] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4102] <... futex resumed>) = 0 [pid 4100] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4102] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4100] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4100] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4105 attached [pid 4105] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4105] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4105] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4105] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4100] <... futex resumed>) = 0 [pid 4104] mount(NULL, "./config", "configfs", 0, NULL [pid 4100] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4103] mkdirat(AT_FDCWD, "./config", 0777 [pid 4100] <... futex resumed>) = 0 [pid 4100] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4105] <... futex resumed>) = 1 [pid 304] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 4106 attached [pid 4104] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4103] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4104] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4103] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4104] <... futex resumed>) = 1 [pid 4101] <... futex resumed>) = 0 [pid 4099] <... futex resumed>) = 0 [pid 4103] <... futex resumed>) = 1 [pid 4101] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4101] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4105] mount(NULL, "./config", "configfs", 0, NULL [pid 4099] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4107 [pid 4104] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4103] mount(NULL, "./config", "configfs", 0, NULL [pid 4099] <... futex resumed>) = 0 [pid 4104] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4099] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4104] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4103] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4104] <... futex resumed>) = 1 [pid 4101] <... futex resumed>) = 0 [pid 4101] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4104] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4103] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4101] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4105] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4105] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4100] <... futex resumed>) = 0 [pid 4100] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4100] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4105] <... futex resumed>) = 1 [pid 4105] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4105] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4100] <... futex resumed>) = 0 [pid 4100] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4100] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4105] <... futex resumed>) = 1 [pid 4105] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4105] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4100] <... futex resumed>) = 0 [pid 4100] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4104] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4103] <... futex resumed>) = 1 [pid 4100] <... futex resumed>) = 0 [pid 4099] <... futex resumed>) = 0 [pid 4104] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4100] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4099] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4104] <... futex resumed>) = 1 [pid 4103] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4101] <... futex resumed>) = 0 [pid 4099] <... futex resumed>) = 0 [pid 4104] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4101] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4099] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4104] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4103] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4101] <... futex resumed>) = 0 [pid 4104] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4101] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4105] <... futex resumed>) = 1 [pid 4105] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 4104] <... mkdirat resumed>) = 0 [pid 4103] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4104] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4105] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4104] <... futex resumed>) = 1 [pid 4101] <... futex resumed>) = 0 [pid 4103] <... futex resumed>) = 1 [pid 4099] <... futex resumed>) = 0 [pid 4105] <... futex resumed>) = 1 [pid 4104] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4103] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4101] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4100] <... futex resumed>) = 0 [pid 4099] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4105] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4104] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4103] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4101] <... futex resumed>) = 0 [pid 4100] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4099] <... futex resumed>) = 0 [pid 4105] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4104] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4103] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4101] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4100] <... futex resumed>) = 0 [pid 4099] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4105] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4100] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4105] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4104] <... symlinkat resumed>) = 0 [pid 4103] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4104] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4103] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4105] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4104] <... futex resumed>) = 1 [pid 4101] <... futex resumed>) = 0 [pid 4099] <... futex resumed>) = 0 [pid 4105] <... futex resumed>) = 1 [pid 4104] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4103] <... futex resumed>) = 1 [pid 4101] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4100] <... futex resumed>) = 0 [pid 4099] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4105] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4104] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4103] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4101] <... futex resumed>) = 0 [pid 4100] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4099] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4107 attached [pid 4106] set_robust_list(0x7f85c0c359a0, 24 [pid 4105] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4104] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4103] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4101] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4100] <... futex resumed>) = 0 [pid 4099] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4107] set_robust_list(0x5555810c5760, 24 [pid 4106] <... set_robust_list resumed>) = 0 [pid 4105] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4104] <... unlinkat resumed>) = 0 [pid 4103] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4100] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4099] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4107] <... set_robust_list resumed>) = 0 [pid 4106] rt_sigprocmask(SIG_SETMASK, [] [pid 4105] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4104] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4103] <... futex resumed>) = 0 [pid 4107] rt_sigprocmask(SIG_SETMASK, [] [pid 4106] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4105] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4104] <... futex resumed>) = 1 [pid 4101] <... futex resumed>) = 0 [pid 4099] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4107] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4106] mkdirat(AT_FDCWD, "./config", 0777 [pid 4105] <... futex resumed>) = 1 [pid 4104] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4103] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4101] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4100] <... futex resumed>) = 0 [pid 4099] <... futex resumed>) = 0 [pid 4107] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4105] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4104] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4101] <... futex resumed>) = 0 [pid 4100] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4099] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4107] <... prctl resumed>) = 0 [pid 4106] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4105] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4104] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4103] <... symlinkat resumed>) = 0 [pid 4101] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4100] <... futex resumed>) = 0 [pid 4107] setpgid(0, 0 [pid 4105] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4100] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4107] <... setpgid resumed>) = 0 [pid 4106] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4105] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 4104] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 4103] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4105] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4107] <... openat resumed>) = 3 [pid 4106] <... futex resumed>) = 1 [pid 4105] <... futex resumed>) = 1 [pid 4104] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4103] <... futex resumed>) = 1 [pid 4102] <... futex resumed>) = 0 [pid 4100] <... futex resumed>) = 0 [pid 4099] <... futex resumed>) = 0 [pid 4107] write(3, "1000", 4 [pid 4106] mount(NULL, "./config", "configfs", 0, NULL [pid 4105] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4104] <... futex resumed>) = 1 [pid 4103] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4102] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4101] <... futex resumed>) = 0 [pid 4100] exit_group(0 [pid 4099] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4107] <... write resumed>) = 4 [pid 4105] <... futex resumed>) = ? [pid 4104] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4103] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4102] <... futex resumed>) = 0 [pid 4101] exit_group(0 [pid 4100] <... exit_group resumed>) = ? [pid 4099] <... futex resumed>) = 0 [pid 4107] close(3 [pid 4106] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4105] +++ exited with 0 +++ [pid 4104] <... futex resumed>) = ? [pid 4103] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4102] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4101] <... exit_group resumed>) = ? [pid 4100] +++ exited with 0 +++ [pid 4099] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4107] <... close resumed>) = 0 [pid 4106] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4104] +++ exited with 0 +++ [pid 4103] <... unlinkat resumed>) = 0 [pid 4101] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4100, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4107] write(1, "executing program\n", 18 [pid 4106] <... futex resumed>) = 1 executing program [pid 4103] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4102] <... futex resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4107] <... write resumed>) = 18 [pid 4106] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4103] <... futex resumed>) = 1 [pid 4102] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4099] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4101, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... restart_syscall resumed>) = 0 [pid 4107] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4106] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4103] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4102] <... futex resumed>) = 0 [pid 4099] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4107] <... futex resumed>) = 0 [pid 4106] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4103] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4102] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4099] <... futex resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 4107] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4106] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4103] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4099] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4107] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4106] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4107] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4106] <... futex resumed>) = 1 [pid 4103] <... unlinkat resumed>) = 0 [pid 4102] <... futex resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 4108 attached [pid 4107] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4106] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4103] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4102] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4107] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4106] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4103] <... futex resumed>) = 1 [pid 4102] <... futex resumed>) = 0 [pid 4099] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4108 [pid 4107] <... mmap resumed>) = 0x7f85c0c15000 [pid 4106] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4103] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4102] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4099] exit_group(0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4107] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4106] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4099] <... exit_group resumed>) = ? [pid 4107] <... mprotect resumed>) = 0 [pid 4107] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4107] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4106] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4103] <... futex resumed>) = ? [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4109 [pid 4107] <... clone3 resumed> => {parent_tid=[4110]}, 88) = 4110 [pid 4106] <... futex resumed>) = 1 [pid 4102] <... futex resumed>) = 0 [pid 4107] rt_sigprocmask(SIG_SETMASK, [] [pid 4102] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4107] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4102] <... futex resumed>) = 0 [pid 4107] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4102] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4107] <... futex resumed>) = 0 [pid 4107] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4103] +++ exited with 0 +++ [pid 4099] +++ exited with 0 +++ [pid 4106] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4099, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 4109 attached [pid 4109] set_robust_list(0x5555810c5760, 24 [pid 4106] <... mkdirat resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4106] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4109] <... set_robust_list resumed>) = 0 [pid 4106] <... futex resumed>) = 1 [pid 4102] <... futex resumed>) = 0 [pid 4102] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4106] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4102] <... futex resumed>) = 0 [pid 4102] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4109] rt_sigprocmask(SIG_SETMASK, [] [pid 4106] <... symlinkat resumed>) = 0 [pid 4109] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4106] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4109] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4106] <... futex resumed>) = 1 [pid 4102] <... futex resumed>) = 0 [pid 4106] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4102] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4106] <... unlinkat resumed>) = 0 [pid 4102] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4106] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4106] <... futex resumed>) = 0 [pid 4102] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4106] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4102] <... futex resumed>) = 0 [pid 4102] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4109] <... prctl resumed>) = 0 [pid 4106] <... unlinkat resumed>) = 0 [pid 4109] setpgid(0, 0 [pid 4106] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4102] <... futex resumed>) = 0 [pid 4106] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4102] exit_group(0 [pid 4109] <... setpgid resumed>) = 0 [pid 4102] <... exit_group resumed>) = ? [pid 4109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4108] set_robust_list(0x5555810c5760, 24 [pid 4106] <... futex resumed>) = ? [pid 4109] <... openat resumed>) = 3 [pid 4109] write(3, "1000", 4) = 4 [pid 4109] close(3) = 0 [pid 4109] write(1, "executing program\n", 18) = 18 [pid 4109] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4106] +++ exited with 0 +++ [pid 4102] +++ exited with 0 +++ [pid 4109] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 executing program [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4102, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4109] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4109] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4109] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4109] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4109] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4108] <... set_robust_list resumed>) = 0 [pid 4109] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4109] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[4111]}, 88) = 4111 ci2-android-5-15/strace-static-x86_64: Process 4110 attached [pid 4109] rt_sigprocmask(SIG_SETMASK, [] [pid 4110] set_robust_list(0x7f85c0c359a0, 24 [pid 4109] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4110] <... set_robust_list resumed>) = 0 [pid 4109] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4108] rt_sigprocmask(SIG_SETMASK, [] [pid 4110] rt_sigprocmask(SIG_SETMASK, [] [pid 4109] <... futex resumed>) = 0 [pid 4110] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4109] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4110] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) ci2-android-5-15/strace-static-x86_64: Process 4111 attached [pid 4108] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4110] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4107] <... futex resumed>) = 0 [pid 4110] mount(NULL, "./config", "configfs", 0, NULL [pid 4107] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4110] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4107] <... futex resumed>) = 0 [pid 4110] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4107] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4110] <... futex resumed>) = 0 [pid 4107] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4110] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4107] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4110] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4107] <... futex resumed>) = 0 [pid 4110] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4107] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4110] <... futex resumed>) = 0 [pid 4107] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4110] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4107] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4110] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4107] <... futex resumed>) = 0 [pid 4110] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4107] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4110] <... futex resumed>) = 0 [pid 4107] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4110] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4107] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4110] <... mkdirat resumed>) = 0 [pid 4107] <... futex resumed>) = 0 [pid 4110] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4107] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4110] <... futex resumed>) = 0 [pid 4108] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4107] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4110] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4107] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4110] <... symlinkat resumed>) = 0 [pid 4107] <... futex resumed>) = 0 [pid 4110] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4107] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4110] <... futex resumed>) = 0 [pid 4107] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4110] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4107] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4110] <... unlinkat resumed>) = 0 [pid 4107] <... futex resumed>) = 0 [pid 4110] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4108] <... prctl resumed>) = 0 [pid 4107] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... restart_syscall resumed>) = 0 [pid 4110] <... futex resumed>) = 0 [pid 4107] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4110] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4108] setpgid(0, 0 [pid 4107] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4111] set_robust_list(0x7f85c0c359a0, 24 [pid 4110] <... unlinkat resumed>) = 0 [pid 4108] <... setpgid resumed>) = 0 [pid 4107] <... futex resumed>) = 0 [pid 4110] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4107] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4110] <... futex resumed>) = 0 [pid 4107] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4110] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4107] exit_group(0 [pid 4110] <... futex resumed>) = ? [pid 4107] <... exit_group resumed>) = ? [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4111] <... set_robust_list resumed>) = 0 [pid 4110] +++ exited with 0 +++ [pid 4108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4107] +++ exited with 0 +++ [pid 311] <... restart_syscall resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4111] rt_sigprocmask(SIG_SETMASK, [] [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4107, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 4112 attached [pid 4111] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4108] <... openat resumed>) = 3 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4112 [pid 4112] set_robust_list(0x5555810c5760, 24 [pid 4111] mkdirat(AT_FDCWD, "./config", 0777 [pid 4108] write(3, "1000", 4 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4108] <... write resumed>) = 4 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4108] close(3 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4108] <... close resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4112] <... set_robust_list resumed>) = 0 [pid 4112] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4112] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4108] write(1, "executing program\n", 18 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4108] <... write resumed>) = 18 executing program [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4113 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4112] <... prctl resumed>) = 0 [pid 4112] setpgid(0, 0 [pid 4108] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4112] <... setpgid resumed>) = 0 [pid 4112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4112] write(3, "1000", 4 [pid 4108] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4108] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4114 [pid 4108] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4112] <... write resumed>) = 4 [pid 4108] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4108] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4108] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4112] close(3 [pid 4108] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4112] <... close resumed>) = 0 [pid 4108] <... mprotect resumed>) = 0 [pid 4112] write(1, "executing program\n", 18) = 18 [pid 4108] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4112] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4108] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 4112] <... futex resumed>) = 0 [pid 4108] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4112] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4113 attached [pid 4112] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4113] set_robust_list(0x5555810c5760, 24 [pid 4112] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4108] <... clone3 resumed> => {parent_tid=[4115]}, 88) = 4115 [pid 4113] <... set_robust_list resumed>) = 0 [pid 4112] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4108] rt_sigprocmask(SIG_SETMASK, [] [pid 4113] rt_sigprocmask(SIG_SETMASK, [] [pid 4112] <... mmap resumed>) = 0x7f85c0c15000 [pid 4108] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4113] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4112] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4108] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4113] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4112] <... mprotect resumed>) = 0 [pid 4108] <... futex resumed>) = 0 [pid 4113] <... prctl resumed>) = 0 [pid 4112] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4108] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4113] setpgid(0, 0 [pid 4112] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4113] <... setpgid resumed>) = 0 [pid 4112] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-5-15/strace-static-x86_64: Process 4114 attached ) = 3 [pid 4112] <... clone3 resumed> => {parent_tid=[4116]}, 88) = 4116 [pid 4111] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4113] write(3, "1000", 4 [pid 4112] rt_sigprocmask(SIG_SETMASK, [] [pid 4111] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4113] <... write resumed>) = 4 [pid 4112] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4113] close(3 [pid 4112] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4113] <... close resumed>) = 0 [pid 4112] <... futex resumed>) = 0 [pid 4113] write(1, "executing program\n", 18 [pid 4112] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4113] <... write resumed>) = 18 executing program [pid 4113] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4113] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4111] <... futex resumed>) = 1 [pid 4109] <... futex resumed>) = 0 [pid 4113] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4109] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4113] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4109] <... futex resumed>) = 0 [pid 4113] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4109] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4113] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4113] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4113] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4113] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[4117]}, 88) = 4117 [pid 4113] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4113] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4113] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4115 attached [pid 4115] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4115] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4115] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4115] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4108] <... futex resumed>) = 0 [pid 4111] mount(NULL, "./config", "configfs", 0, NULL [pid 4115] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 4116 attached [pid 4108] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4116] set_robust_list(0x7f85c0c359a0, 24 [pid 4115] <... futex resumed>) = 0 [pid 4108] <... futex resumed>) = 1 [pid 4111] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4108] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4115] mount(NULL, "./config", "configfs", 0, NULL [pid 4111] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4115] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4115] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4108] <... futex resumed>) = 0 [pid 4111] <... futex resumed>) = 1 [pid 4109] <... futex resumed>) = 0 [pid 4108] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4115] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4109] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4108] <... futex resumed>) = 0 [pid 4115] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4111] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4109] <... futex resumed>) = 0 [pid 4108] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4115] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4109] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4108] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4115] <... futex resumed>) = 0 [pid 4111] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4115] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4108] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4111] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4108] <... futex resumed>) = 0 [pid 4115] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4108] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4111] <... futex resumed>) = 1 [pid 4109] <... futex resumed>) = 0 [pid 4116] <... set_robust_list resumed>) = 0 [pid 4115] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4111] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4109] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4116] rt_sigprocmask(SIG_SETMASK, [] [pid 4115] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4109] <... futex resumed>) = 0 [pid 4116] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4115] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4109] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4116] mkdirat(AT_FDCWD, "./config", 0777 [pid 4115] <... futex resumed>) = 1 [pid 4114] set_robust_list(0x5555810c5760, 24 [pid 4111] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4108] <... futex resumed>) = 0 [pid 4114] <... set_robust_list resumed>) = 0 [pid 4111] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4116] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4115] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4116] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4111] <... futex resumed>) = 1 [pid 4109] <... futex resumed>) = 0 [pid 4108] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4116] <... futex resumed>) = 1 [pid 4115] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4114] rt_sigprocmask(SIG_SETMASK, [] [pid 4112] <... futex resumed>) = 0 [pid 4111] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4109] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4108] <... futex resumed>) = 0 [pid 4116] mount(NULL, "./config", "configfs", 0, NULL [pid 4115] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4114] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4112] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4111] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4109] <... futex resumed>) = 0 [pid 4108] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4117 attached [pid 4116] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4115] <... mkdirat resumed>) = 0 [pid 4112] <... futex resumed>) = 0 [pid 4111] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4109] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4116] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4115] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4114] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4112] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4111] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4116] <... futex resumed>) = 0 [pid 4115] <... futex resumed>) = 1 [pid 4112] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4108] <... futex resumed>) = 0 [pid 4116] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4115] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4114] <... prctl resumed>) = 0 [pid 4112] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4111] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4108] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4116] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4115] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4112] <... futex resumed>) = 0 [pid 4116] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4115] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4114] setpgid(0, 0 [pid 4112] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4111] <... futex resumed>) = 1 [pid 4109] <... futex resumed>) = 0 [pid 4108] <... futex resumed>) = 0 [pid 4117] set_robust_list(0x7f85c0c359a0, 24 [pid 4116] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4115] <... symlinkat resumed>) = 0 [pid 4114] <... setpgid resumed>) = 0 [pid 4111] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4109] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4108] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4117] <... set_robust_list resumed>) = 0 [pid 4116] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4115] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4111] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4109] <... futex resumed>) = 0 [pid 4117] rt_sigprocmask(SIG_SETMASK, [] [pid 4116] <... futex resumed>) = 1 [pid 4115] <... futex resumed>) = 0 [pid 4114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4112] <... futex resumed>) = 0 [pid 4111] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4109] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4108] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4117] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4116] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4115] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4112] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4111] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4108] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4117] mkdirat(AT_FDCWD, "./config", 0777 [pid 4116] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4115] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4114] <... openat resumed>) = 3 [pid 4112] <... futex resumed>) = 0 [pid 4111] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4108] <... futex resumed>) = 0 [pid 4117] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4116] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4115] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4112] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4111] <... futex resumed>) = 1 [pid 4109] <... futex resumed>) = 0 [pid 4108] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4114] write(3, "1000", 4 [pid 4117] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4116] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4115] <... unlinkat resumed>) = 0 [pid 4111] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4109] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4117] <... futex resumed>) = 1 [pid 4116] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4115] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4114] <... write resumed>) = 4 [pid 4113] <... futex resumed>) = 0 [pid 4111] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4117] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4116] <... futex resumed>) = 1 [pid 4115] <... futex resumed>) = 1 [pid 4113] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4112] <... futex resumed>) = 0 [pid 4109] <... futex resumed>) = 0 [pid 4117] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4116] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4115] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4114] close(3 [pid 4113] <... futex resumed>) = 0 [pid 4112] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4111] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4109] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4108] <... futex resumed>) = 0 [pid 4117] mount(NULL, "./config", "configfs", 0, NULL [pid 4116] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4114] <... close resumed>) = 0 [pid 4113] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4112] <... futex resumed>) = 0 [pid 4111] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4108] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4117] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4116] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4114] write(1, "executing program\n", 18 [pid 4115] <... futex resumed>) = 0 [pid 4112] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4111] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4108] <... futex resumed>) = 1 executing program [pid 4117] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4116] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4115] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4114] <... write resumed>) = 18 [pid 4111] <... futex resumed>) = 1 [pid 4108] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4117] <... futex resumed>) = 1 [pid 4116] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4115] <... unlinkat resumed>) = 0 [pid 4113] <... futex resumed>) = 0 [pid 4109] <... futex resumed>) = 0 [pid 4117] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4116] <... futex resumed>) = 1 [pid 4115] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4114] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4113] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4112] <... futex resumed>) = 0 [pid 4111] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4109] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4117] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4116] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4115] <... futex resumed>) = 1 [pid 4114] <... futex resumed>) = 0 [pid 4113] <... futex resumed>) = 0 [pid 4112] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4108] <... futex resumed>) = 0 [pid 4117] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4116] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4115] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4114] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4113] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4112] <... futex resumed>) = 0 [pid 4111] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4109] <... futex resumed>) = 0 [pid 4108] exit_group(0 [pid 4117] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4116] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4114] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4112] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4111] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4109] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4117] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4116] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4115] <... futex resumed>) = ? [pid 4114] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4108] <... exit_group resumed>) = ? [pid 4117] <... futex resumed>) = 1 [pid 4116] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4115] +++ exited with 0 +++ [pid 4113] <... futex resumed>) = 0 [pid 4111] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4117] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4116] <... futex resumed>) = 1 [pid 4114] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4113] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4112] <... futex resumed>) = 0 [pid 4117] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4116] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4113] <... futex resumed>) = 0 [pid 4112] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4117] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4116] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4113] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4112] <... futex resumed>) = 0 [pid 4117] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4116] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4114] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4112] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4111] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4108] +++ exited with 0 +++ [pid 4117] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4116] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4108, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4117] <... futex resumed>) = 1 [pid 4116] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4114] <... mmap resumed>) = 0x7f85c0c15000 [pid 4113] <... futex resumed>) = 0 [pid 4111] <... futex resumed>) = 1 [pid 4109] <... futex resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4117] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4116] <... futex resumed>) = 1 [pid 4113] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4112] <... futex resumed>) = 0 [pid 4117] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4116] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4114] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4113] <... futex resumed>) = 0 [pid 4112] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4111] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4109] exit_group(0 [pid 4117] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4116] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4114] <... mprotect resumed>) = 0 [pid 4113] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4112] <... futex resumed>) = 0 [pid 4117] <... mkdirat resumed>) = 0 [pid 4116] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4114] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4112] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4111] <... futex resumed>) = ? [pid 4109] <... exit_group resumed>) = ? [pid 4117] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4116] <... unlinkat resumed>) = 0 [pid 4114] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4117] <... futex resumed>) = 1 [pid 4116] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4113] <... futex resumed>) = 0 [pid 4111] +++ exited with 0 +++ [pid 4117] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4116] <... futex resumed>) = 1 [pid 4113] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4112] <... futex resumed>) = 0 [pid 4117] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4116] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4113] <... futex resumed>) = 0 [pid 4112] exit_group(0 [pid 4117] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4116] <... futex resumed>) = ? [pid 4113] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4112] <... exit_group resumed>) = ? [pid 4109] +++ exited with 0 +++ [pid 4114] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4117] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4116] +++ exited with 0 +++ [pid 4112] +++ exited with 0 +++ [pid 306] <... restart_syscall resumed>) = 0 [pid 4117] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4114] <... clone3 resumed> => {parent_tid=[4118]}, 88) = 4118 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4109, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4117] <... futex resumed>) = 1 [pid 4114] rt_sigprocmask(SIG_SETMASK, [] [pid 4113] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4112, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4117] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4113] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4117] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4113] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4117] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4114] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4113] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4117] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4114] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... restart_syscall resumed>) = 0 [pid 4117] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4114] <... futex resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4119 [pid 305] <... restart_syscall resumed>) = 0 [pid 4117] <... futex resumed>) = 1 [pid 4114] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4113] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4117] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4113] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4117] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4113] <... futex resumed>) = 0 [pid 4117] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4113] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4117] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4117] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4113] <... futex resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4117] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4113] exit_group(0 [pid 4117] <... futex resumed>) = ? [pid 4113] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 4119 attached [pid 4117] +++ exited with 0 +++ [pid 4113] +++ exited with 0 +++ [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4120 ci2-android-5-15/strace-static-x86_64: Process 4120 attached [pid 4120] set_robust_list(0x5555810c5760, 24) = 0 [pid 4120] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4121 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4113, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4120] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4120] <... prctl resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4120] setpgid(0, 0) = 0 [pid 4120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-5-15/strace-static-x86_64: Process 4118 attached [pid 4118] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4118] rt_sigprocmask(SIG_SETMASK, [] [pid 4120] <... openat resumed>) = 3 [pid 4119] set_robust_list(0x5555810c5760, 24 [pid 4118] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4118] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4120] write(3, "1000", 4 [pid 4118] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4120] <... write resumed>) = 4 [pid 4118] <... futex resumed>) = 1 [pid 4114] <... futex resumed>) = 0 [pid 4120] close(3 [pid 4114] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4118] mount(NULL, "./config", "configfs", 0, NULL [pid 4114] <... futex resumed>) = 0 [pid 4120] <... close resumed>) = 0 [pid 4114] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4119] <... set_robust_list resumed>) = 0 [pid 4118] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4120] write(1, "executing program\n", 18) = 18 executing program [pid 4120] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4120] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4118] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4120] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4118] <... futex resumed>) = 1 [pid 4120] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4118] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4114] <... futex resumed>) = 0 [pid 4120] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4114] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4120] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4114] <... futex resumed>) = 0 [pid 4118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4114] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4120] <... mmap resumed>) = 0x7f85c0c15000 [pid 4118] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4120] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4118] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4120] <... mprotect resumed>) = 0 [pid 4118] <... futex resumed>) = 1 [pid 4114] <... futex resumed>) = 0 [pid 4120] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4118] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4114] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4120] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4118] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4120] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4118] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4114] <... futex resumed>) = 0 [pid 4118] <... futex resumed>) = 0 [pid 4119] rt_sigprocmask(SIG_SETMASK, [] [pid 4114] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4120] <... clone3 resumed> => {parent_tid=[4122]}, 88) = 4122 [pid 4119] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4118] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4114] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4120] rt_sigprocmask(SIG_SETMASK, [] [pid 4118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4114] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4119] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4114] <... futex resumed>) = 0 [pid 4120] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4119] <... prctl resumed>) = 0 [pid 4118] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4114] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4122 attached [pid 4120] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4119] setpgid(0, 0 [pid 4118] <... mkdirat resumed>) = 0 [pid 4120] <... futex resumed>) = 0 [pid 4118] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4120] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4118] <... futex resumed>) = 1 [pid 4114] <... futex resumed>) = 0 [pid 4119] <... setpgid resumed>) = 0 [pid 4114] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4121 attached [pid 4118] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4114] <... futex resumed>) = 0 [pid 4121] set_robust_list(0x5555810c5760, 24 [pid 4119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4118] <... symlinkat resumed>) = 0 [pid 4114] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4121] <... set_robust_list resumed>) = 0 [pid 4118] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4121] rt_sigprocmask(SIG_SETMASK, [] [pid 4118] <... futex resumed>) = 0 [pid 4114] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4119] <... openat resumed>) = 3 [pid 4114] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4121] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4119] write(3, "1000", 4 [pid 4118] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4114] <... futex resumed>) = 0 [pid 4121] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4119] <... write resumed>) = 4 [pid 4118] <... unlinkat resumed>) = 0 [pid 4114] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4122] set_robust_list(0x7f85c0c359a0, 24 [pid 4121] <... prctl resumed>) = 0 [pid 4119] close(3 [pid 4118] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4114] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4121] setpgid(0, 0 [pid 4118] <... futex resumed>) = 0 [pid 4114] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4119] <... close resumed>) = 0 [pid 4121] <... setpgid resumed>) = 0 [pid 4118] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4114] <... futex resumed>) = 0 [pid 4119] write(1, "executing program\n", 18 [pid 4114] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} executing program [pid 4121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4119] <... write resumed>) = 18 [pid 4118] <... unlinkat resumed>) = 0 [pid 4122] <... set_robust_list resumed>) = 0 [pid 4121] <... openat resumed>) = 3 [pid 4118] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4121] write(3, "1000", 4 [pid 4118] <... futex resumed>) = 1 [pid 4121] <... write resumed>) = 4 [pid 4119] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4118] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4114] <... futex resumed>) = 0 [pid 4121] close(3 [pid 4114] exit_group(0 [pid 4119] <... futex resumed>) = 0 [pid 4121] <... close resumed>) = 0 [pid 4118] <... futex resumed>) = ? [pid 4114] <... exit_group resumed>) = ? [pid 4121] write(1, "executing program\n", 18 [pid 4118] +++ exited with 0 +++ [pid 4121] <... write resumed>) = 18 [pid 4121] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4121] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4121] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4121] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4114] +++ exited with 0 +++ [pid 4121] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE executing program [pid 4119] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4114, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4121] <... mprotect resumed>) = 0 [pid 4119] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4121] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4119] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4121] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4121] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[4123]}, 88) = 4123 [pid 4122] rt_sigprocmask(SIG_SETMASK, [] [pid 4119] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4121] rt_sigprocmask(SIG_SETMASK, [] [pid 4119] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0ci2-android-5-15/strace-static-x86_64: Process 4123 attached [pid 4123] set_robust_list(0x7f85c0c359a0, 24 [pid 4121] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4119] <... mmap resumed>) = 0x7f85c0c15000 [pid 4123] <... set_robust_list resumed>) = 0 [pid 4121] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4119] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4123] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4119] <... mprotect resumed>) = 0 [pid 4121] <... futex resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 4119] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4123] mkdirat(AT_FDCWD, "./config", 0777 [pid 4119] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4121] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4119] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 311] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 4124 attached [pid 4123] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4122] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 4119] <... clone3 resumed> => {parent_tid=[4124]}, 88) = 4124 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4119] rt_sigprocmask(SIG_SETMASK, [] [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4123] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4123] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4125 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4119] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4125 attached [pid 4121] <... futex resumed>) = 0 [pid 4119] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4125] set_robust_list(0x5555810c5760, 24 [pid 4121] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4119] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4125] <... set_robust_list resumed>) = 0 [pid 4121] <... futex resumed>) = 0 [pid 4119] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4123] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4123] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 4123] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4121] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4126 [pid 4121] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4123] <... futex resumed>) = 0 [pid 4121] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 4126 attached [pid 4125] rt_sigprocmask(SIG_SETMASK, [] [pid 4121] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4126] set_robust_list(0x5555810c5760, 24 [pid 4125] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4121] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4126] <... set_robust_list resumed>) = 0 [pid 4123] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4125] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4123] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4126] rt_sigprocmask(SIG_SETMASK, [] [pid 4125] <... prctl resumed>) = 0 [pid 4126] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4123] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4125] setpgid(0, 0 [pid 4123] <... futex resumed>) = 1 [pid 4121] <... futex resumed>) = 0 [pid 4125] <... setpgid resumed>) = 0 [pid 4123] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4121] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4126] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4123] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4121] <... futex resumed>) = 0 [pid 4126] <... prctl resumed>) = 0 [pid 4125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4123] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4121] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4126] setpgid(0, 0) = 0 [pid 4125] <... openat resumed>) = 3 [pid 4123] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4122] mkdirat(AT_FDCWD, "./config", 0777 [pid 4125] write(3, "1000", 4 [pid 4123] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4125] <... write resumed>) = 4 [pid 4123] <... futex resumed>) = 1 [pid 4121] <... futex resumed>) = 0 [pid 4125] close(3 [pid 4123] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4121] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4123] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4126] <... openat resumed>) = 3 [pid 4125] <... close resumed>) = 0 [pid 4121] <... futex resumed>) = 0 [pid 4123] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4126] write(3, "1000", 4 [pid 4125] write(1, "executing program\n", 18 [pid 4121] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4122] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4123] <... mkdirat resumed>) = 0 [pid 4125] <... write resumed>) = 18 [pid 4126] <... write resumed>) = 4 [pid 4123] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4126] close(3 [pid 4125] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4126] <... close resumed>) = 0 [pid 4123] <... futex resumed>) = 1 [pid 4121] <... futex resumed>) = 0 [pid 4125] <... futex resumed>) = 0 [pid 4126] write(1, "executing program\n", 18 [pid 4123] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4121] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4125] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4126] <... write resumed>) = 18 [pid 4123] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4121] <... futex resumed>) = 0 [pid 4125] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4126] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4123] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4121] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4125] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4126] <... futex resumed>) = 0 [pid 4122] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4123] <... symlinkat resumed>) = 0 [pid 4126] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4125] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4122] <... futex resumed>) = 1 [pid 4123] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4120] <... futex resumed>) = 0 [pid 4126] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4125] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4123] <... futex resumed>) = 1 [pid 4122] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4121] <... futex resumed>) = 0 [pid 4120] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4126] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4125] <... mmap resumed>) = 0x7f85c0c15000 [pid 4123] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4121] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4120] <... futex resumed>) = 0 [pid 4126] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4125] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4123] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4122] mount(NULL, "./config", "configfs", 0, NULL [pid 4121] <... futex resumed>) = 0 [pid 4120] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4126] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4125] <... mprotect resumed>) = 0 [pid 4123] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4121] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4125] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4122] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4123] <... unlinkat resumed>) = 0 [pid 4125] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4123] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4122] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4126] <... mmap resumed>) = 0x7f85c0c15000 [pid 4125] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4123] <... futex resumed>) = 1 [pid 4121] <... futex resumed>) = 0 [pid 4120] <... futex resumed>) = 0 [pid 4122] <... futex resumed>) = 1 [pid 4126] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4123] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4121] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4120] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4121] <... futex resumed>) = 0 [pid 4120] <... futex resumed>) = 0 [pid 4121] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4120] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4126] <... mprotect resumed>) = 0 [pid 4123] <... unlinkat resumed>) = 0 [pid 4122] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4123] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4125] <... clone3 resumed> => {parent_tid=[4127]}, 88) = 4127 [pid 4122] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4126] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4123] <... futex resumed>) = 1 [pid 4122] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4121] <... futex resumed>) = 0 [pid 4125] rt_sigprocmask(SIG_SETMASK, [] [pid 4126] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4123] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4122] <... futex resumed>) = 1 [pid 4125] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4121] exit_group(0 [pid 4120] <... futex resumed>) = 0 [pid 4126] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4125] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4122] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4121] <... exit_group resumed>) = ? [pid 4123] <... futex resumed>) = ? executing program executing program [pid 4120] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4124] set_robust_list(0x7f85c0c359a0, 24 [pid 4120] <... futex resumed>) = 0 [pid 4124] <... set_robust_list resumed>) = 0 [pid 4122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4120] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4125] <... futex resumed>) = 0 [pid 4124] rt_sigprocmask(SIG_SETMASK, [] [pid 4123] +++ exited with 0 +++ [pid 4122] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4121] +++ exited with 0 +++ [pid 4125] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4122] <... mkdirat resumed>) = -1 EEXIST (File exists) ci2-android-5-15/strace-static-x86_64: Process 4128 attached ci2-android-5-15/strace-static-x86_64: Process 4127 attached [pid 4126] <... clone3 resumed> => {parent_tid=[4128]}, 88) = 4128 [pid 4124] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4121, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4124] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4124] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4119] <... futex resumed>) = 0 [pid 4124] mount(NULL, "./config", "configfs", 0, NULL [pid 4119] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4124] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4119] <... futex resumed>) = 0 [pid 4124] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4119] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4124] <... futex resumed>) = 0 [pid 4119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4124] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4119] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4124] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4119] <... futex resumed>) = 0 [pid 4124] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4119] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4124] <... futex resumed>) = 0 [pid 4119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4124] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4119] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4124] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4119] <... futex resumed>) = 0 [pid 4124] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4119] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... restart_syscall resumed>) = 0 [pid 4124] <... futex resumed>) = 0 [pid 4119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4124] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4119] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4124] <... mkdirat resumed>) = 0 [pid 4122] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4119] <... futex resumed>) = 0 [pid 4126] rt_sigprocmask(SIG_SETMASK, [] [pid 4124] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4119] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4127] set_robust_list(0x7f85c0c359a0, 24 [pid 4124] <... futex resumed>) = 0 [pid 4119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4127] <... set_robust_list resumed>) = 0 [pid 4124] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4119] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4127] rt_sigprocmask(SIG_SETMASK, [] [pid 4124] <... symlinkat resumed>) = 0 [pid 4119] <... futex resumed>) = 0 [pid 4127] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4124] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4119] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4127] mkdirat(AT_FDCWD, "./config", 0777 [pid 4124] <... futex resumed>) = 0 [pid 4119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4127] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4124] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4119] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4127] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4124] <... unlinkat resumed>) = 0 [pid 4119] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4127] <... futex resumed>) = 1 [pid 4124] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4122] <... futex resumed>) = 1 [pid 4120] <... futex resumed>) = 0 [pid 4119] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4127] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4124] <... futex resumed>) = 0 [pid 4120] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4124] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4119] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4124] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4120] <... futex resumed>) = 0 [pid 4119] <... futex resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4124] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4120] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4119] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4124] <... unlinkat resumed>) = 0 [pid 4124] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4119] <... futex resumed>) = 0 [pid 4124] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4119] exit_group(0 [pid 4124] <... futex resumed>) = ? [pid 4119] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 4129 attached [pid 4128] set_robust_list(0x7f85c0c359a0, 24 [pid 4126] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4125] <... futex resumed>) = 0 [pid 4124] +++ exited with 0 +++ [pid 4122] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4119] +++ exited with 0 +++ [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4129 [pid 4129] set_robust_list(0x5555810c5760, 24 [pid 4125] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4122] <... mkdirat resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4129] <... set_robust_list resumed>) = 0 [pid 4128] <... set_robust_list resumed>) = 0 [pid 4126] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4125] <... futex resumed>) = 1 [pid 4122] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4125] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4122] <... futex resumed>) = 1 [pid 4120] <... futex resumed>) = 0 [pid 4127] <... futex resumed>) = 0 [pid 4122] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4120] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4119, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4129] rt_sigprocmask(SIG_SETMASK, [] [pid 4128] rt_sigprocmask(SIG_SETMASK, [] [pid 4127] mount(NULL, "./config", "configfs", 0, NULL [pid 4126] <... futex resumed>) = 0 [pid 4122] <... symlinkat resumed>) = 0 [pid 4120] <... futex resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4128] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4126] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4122] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4120] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4128] mkdirat(AT_FDCWD, "./config", 0777 [pid 4127] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4122] <... futex resumed>) = 0 [pid 4120] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4129] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4128] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4122] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4120] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4128] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4120] <... futex resumed>) = 0 [pid 4128] <... futex resumed>) = 1 [pid 4127] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4126] <... futex resumed>) = 0 [pid 4122] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4120] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4128] mount(NULL, "./config", "configfs", 0, NULL [pid 4126] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4122] <... unlinkat resumed>) = 0 [pid 4128] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4126] <... futex resumed>) = 0 [pid 4122] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4128] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4127] <... futex resumed>) = 1 [pid 4126] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4125] <... futex resumed>) = 0 [pid 4122] <... futex resumed>) = 1 [pid 4120] <... futex resumed>) = 0 [pid 4128] <... futex resumed>) = 0 [pid 4127] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4126] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4125] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4129] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4122] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4120] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4128] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4126] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4125] <... futex resumed>) = 0 [pid 4122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4120] <... futex resumed>) = 0 [pid 4128] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4127] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4126] <... futex resumed>) = 0 [pid 4125] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4122] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4120] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4129] <... prctl resumed>) = 0 [pid 4128] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4127] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4126] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4122] <... unlinkat resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4128] <... futex resumed>) = 0 [pid 4127] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4126] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4122] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4128] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4127] <... futex resumed>) = 1 [pid 4126] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4125] <... futex resumed>) = 0 [pid 4122] <... futex resumed>) = 1 [pid 4120] <... futex resumed>) = 0 [pid 4128] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4127] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4126] <... futex resumed>) = 0 [pid 4125] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4122] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4120] exit_group(0 [pid 4129] setpgid(0, 0 [pid 4128] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4126] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4125] <... futex resumed>) = 0 [pid 4122] <... futex resumed>) = ? [pid 4120] <... exit_group resumed>) = ? [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4129] <... setpgid resumed>) = 0 [pid 4128] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4127] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4125] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4122] +++ exited with 0 +++ [pid 4120] +++ exited with 0 +++ [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4128] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4127] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4120, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4129] <... openat resumed>) = 3 [pid 4128] <... futex resumed>) = 1 [pid 4127] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4126] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4128] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4126] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... restart_syscall resumed>) = 0 [pid 4129] write(3, "1000", 4 [pid 4128] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4127] <... futex resumed>) = 1 [pid 4126] <... futex resumed>) = 0 [pid 4125] <... futex resumed>) = 0 [pid 4129] <... write resumed>) = 4 [pid 4128] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4127] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4126] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4125] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4130 [pid 4129] close(3 [pid 4128] <... mkdirat resumed>) = 0 [pid 4127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4125] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4129] <... close resumed>) = 0 [pid 4128] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4127] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4125] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4129] write(1, "executing program\n", 18 [pid 4128] <... futex resumed>) = 1 [pid 4127] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4126] <... futex resumed>) = 0 executing program [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4129] <... write resumed>) = 18 [pid 4128] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4127] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4126] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4129] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4128] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4127] <... futex resumed>) = 1 [pid 4126] <... futex resumed>) = 0 [pid 4125] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4131 ci2-android-5-15/strace-static-x86_64: Process 4131 attached [pid 4129] <... futex resumed>) = 0 [pid 4128] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4127] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4126] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4125] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4129] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4128] <... symlinkat resumed>) = 0 [pid 4127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4125] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4129] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4128] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4127] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4125] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4129] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4128] <... futex resumed>) = 1 [pid 4127] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4126] <... futex resumed>) = 0 [pid 4129] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4128] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4127] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4126] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4131] set_robust_list(0x5555810c5760, 24 [pid 4129] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4128] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4127] <... futex resumed>) = 1 [pid 4126] <... futex resumed>) = 0 [pid 4125] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4130 attached [pid 4129] <... mmap resumed>) = 0x7f85c0c15000 [pid 4128] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4127] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4126] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4125] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4130] set_robust_list(0x5555810c5760, 24 [pid 4129] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4128] <... unlinkat resumed>) = 0 [pid 4127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4125] <... futex resumed>) = 0 [pid 4130] <... set_robust_list resumed>) = 0 [pid 4129] <... mprotect resumed>) = 0 [pid 4128] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4127] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4125] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4131] <... set_robust_list resumed>) = 0 [pid 4130] rt_sigprocmask(SIG_SETMASK, [] [pid 4129] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4128] <... futex resumed>) = 1 [pid 4126] <... futex resumed>) = 0 [pid 4130] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4129] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4128] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4127] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4126] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4130] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4129] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4128] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4127] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4126] <... futex resumed>) = 0 [pid 4131] rt_sigprocmask(SIG_SETMASK, [] [pid 4130] <... prctl resumed>) = 0 [pid 4128] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4127] <... futex resumed>) = 1 [pid 4126] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4125] <... futex resumed>) = 0 [pid 4131] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4130] setpgid(0, 0 [pid 4129] <... clone3 resumed> => {parent_tid=[4132]}, 88) = 4132 [pid 4128] <... unlinkat resumed>) = 0 [pid 4127] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4125] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4130] <... setpgid resumed>) = 0 [pid 4129] rt_sigprocmask(SIG_SETMASK, [] [pid 4128] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4125] <... futex resumed>) = 0 [pid 4131] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4129] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4128] <... futex resumed>) = 1 [pid 4127] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4126] <... futex resumed>) = 0 [pid 4125] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4131] <... prctl resumed>) = 0 [pid 4130] <... openat resumed>) = 3 [pid 4129] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4128] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4127] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4126] exit_group(0 [pid 4131] setpgid(0, 0 [pid 4130] write(3, "1000", 4 [pid 4129] <... futex resumed>) = 0 [pid 4128] <... futex resumed>) = ? [pid 4127] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4126] <... exit_group resumed>) = ? [pid 4131] <... setpgid resumed>) = 0 [pid 4130] <... write resumed>) = 4 [pid 4129] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4128] +++ exited with 0 +++ [pid 4127] <... futex resumed>) = 1 [pid 4126] +++ exited with 0 +++ [pid 4125] <... futex resumed>) = 0 [pid 4130] close(3 [pid 4127] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL executing program [pid 4131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4130] <... close resumed>) = 0 [pid 4125] exit_group(0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4126, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4130] write(1, "executing program\n", 18 [pid 4127] <... futex resumed>) = ? [pid 4125] <... exit_group resumed>) = ? [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4131] <... openat resumed>) = 3 [pid 4130] <... write resumed>) = 18 [pid 4127] +++ exited with 0 +++ [pid 4130] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4130] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4130] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4130] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4125] +++ exited with 0 +++ [pid 4131] write(3, "1000", 4 [pid 4130] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 304] <... restart_syscall resumed>) = 0 [pid 4130] <... mprotect resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4125, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4131] <... write resumed>) = 4 [pid 4130] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4130] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4130] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4131] close(3 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 4133 attached [pid 4130] <... clone3 resumed> => {parent_tid=[4133]}, 88) = 4133 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4131] <... close resumed>) = 0 [pid 4130] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4130] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4130] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4132 attached [pid 4132] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4132] rt_sigprocmask(SIG_SETMASK, [] [pid 4131] write(1, "executing program\n", 18 [pid 4132] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4131] <... write resumed>) = 18 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4134 [pid 4132] mkdirat(AT_FDCWD, "./config", 0777 [pid 4131] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4131] <... futex resumed>) = 0 [pid 4131] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4131] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4132] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4131] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4131] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4132] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4131] <... mmap resumed>) = 0x7f85c0c15000 [pid 4131] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4132] <... futex resumed>) = 1 [pid 4131] <... mprotect resumed>) = 0 [pid 4129] <... futex resumed>) = 0 [pid 4132] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4131] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4129] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4131] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4129] <... futex resumed>) = 0 [pid 4131] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4129] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4132] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4132] mount(NULL, "./config", "configfs", 0, NULL [pid 4131] <... clone3 resumed> => {parent_tid=[4135]}, 88) = 4135 ci2-android-5-15/strace-static-x86_64: Process 4135 attached [pid 4133] set_robust_list(0x7f85c0c359a0, 24 [pid 4132] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4131] rt_sigprocmask(SIG_SETMASK, [] [pid 4132] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4131] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4132] <... futex resumed>) = 1 [pid 4131] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4129] <... futex resumed>) = 0 [pid 4131] <... futex resumed>) = 0 [pid 4129] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4131] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4129] <... futex resumed>) = 0 [pid 4132] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4129] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4135] set_robust_list(0x7f85c0c359a0, 24 [pid 4133] <... set_robust_list resumed>) = 0 [pid 4132] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4132] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4129] <... futex resumed>) = 0 [pid 4132] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4129] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4132] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4129] <... futex resumed>) = 0 [pid 4132] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4129] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4132] <... futex resumed>) = 0 [pid 4129] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4132] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4129] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4135] <... set_robust_list resumed>) = 0 [pid 4133] rt_sigprocmask(SIG_SETMASK, [] [pid 4132] <... mkdirat resumed>) = 0 [pid 4129] <... futex resumed>) = 0 [pid 4132] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4133] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4129] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4132] <... futex resumed>) = 0 [pid 4129] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4133] mkdirat(AT_FDCWD, "./config", 0777 [pid 4129] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4132] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4129] <... futex resumed>) = 0 [pid 4133] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4129] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4135] rt_sigprocmask(SIG_SETMASK, [] [pid 4133] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4132] <... symlinkat resumed>) = 0 [pid 4132] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4129] <... futex resumed>) = 0 [pid 4133] <... futex resumed>) = 1 [pid 4130] <... futex resumed>) = 0 [pid 4129] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4134 attached [pid 4135] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4133] mount(NULL, "./config", "configfs", 0, NULL [pid 4132] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4130] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4129] <... futex resumed>) = 0 [pid 4134] set_robust_list(0x5555810c5760, 24 [pid 4133] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4132] <... unlinkat resumed>) = 0 [pid 4130] <... futex resumed>) = 0 [pid 4134] <... set_robust_list resumed>) = 0 [pid 4132] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4130] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4129] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4135] mkdirat(AT_FDCWD, "./config", 0777 [pid 4134] rt_sigprocmask(SIG_SETMASK, [] [pid 4133] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4132] <... futex resumed>) = 0 [pid 4129] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4134] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4132] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4129] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4135] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4134] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4133] <... futex resumed>) = 1 [pid 4132] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4130] <... futex resumed>) = 0 [pid 4129] <... futex resumed>) = 0 [pid 4134] <... prctl resumed>) = 0 [pid 4133] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4132] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4130] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4129] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4135] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4134] setpgid(0, 0 [pid 4133] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4132] <... unlinkat resumed>) = 0 [pid 4130] <... futex resumed>) = 0 [pid 4135] <... futex resumed>) = 1 [pid 4134] <... setpgid resumed>) = 0 [pid 4133] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4132] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4131] <... futex resumed>) = 0 [pid 4130] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4135] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4133] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4132] <... futex resumed>) = 1 [pid 4131] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4129] <... futex resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 4135] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4134] <... openat resumed>) = 3 [pid 4133] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4132] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4131] <... futex resumed>) = 0 [pid 4129] exit_group(0 [pid 4135] mount(NULL, "./config", "configfs", 0, NULL [pid 4134] write(3, "1000", 4 [pid 4133] <... futex resumed>) = 1 [pid 4132] <... futex resumed>) = ? [pid 4131] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4130] <... futex resumed>) = 0 [pid 4129] <... exit_group resumed>) = ? [pid 4135] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4134] <... write resumed>) = 4 [pid 4133] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4132] +++ exited with 0 +++ [pid 4130] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4134] close(3 [pid 4130] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4134] <... close resumed>) = 0 [pid 4130] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4129] +++ exited with 0 +++ [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 4136 attached [pid 4135] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4134] write(1, "executing program\n", 18 [pid 4133] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4135] <... futex resumed>) = 1 [pid 4134] <... write resumed>) = 18 executing program [pid 4133] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4131] <... futex resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4136 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4129, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4135] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4134] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4133] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4131] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4135] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4134] <... futex resumed>) = 0 [pid 4133] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4131] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4135] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4134] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4133] <... futex resumed>) = 1 [pid 4131] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4130] <... futex resumed>) = 0 [pid 4135] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4134] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4133] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4130] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4136] set_robust_list(0x5555810c5760, 24 [pid 4135] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4134] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4133] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4130] <... futex resumed>) = 0 [pid 4135] <... futex resumed>) = 1 [pid 4134] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4133] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4131] <... futex resumed>) = 0 [pid 4130] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... restart_syscall resumed>) = 0 [pid 4135] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4134] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4133] <... mkdirat resumed>) = 0 [pid 4131] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4135] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4134] <... mmap resumed>) = 0x7f85c0c15000 [pid 4133] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4131] <... futex resumed>) = 0 [pid 4135] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4134] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4133] <... futex resumed>) = 1 [pid 4131] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4130] <... futex resumed>) = 0 [pid 4135] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4134] <... mprotect resumed>) = 0 [pid 4133] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4130] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4136] <... set_robust_list resumed>) = 0 [pid 4135] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4134] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4133] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4130] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4135] <... futex resumed>) = 1 [pid 4134] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4133] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4131] <... futex resumed>) = 0 [pid 4130] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4135] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4134] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4133] <... symlinkat resumed>) = 0 [pid 4131] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4134] <... clone3 resumed> => {parent_tid=[4137]}, 88) = 4137 [pid 4134] rt_sigprocmask(SIG_SETMASK, [] [pid 4131] <... futex resumed>) = 0 [pid 4133] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4135] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4134] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4131] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4133] <... futex resumed>) = 1 [pid 4130] <... futex resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4138 [pid 4135] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4134] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4133] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4130] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4135] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4134] <... futex resumed>) = 0 [pid 4130] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4135] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4134] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4133] <... unlinkat resumed>) = 0 [pid 4130] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4135] <... futex resumed>) = 1 [pid 4133] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4131] <... futex resumed>) = 0 [pid 4130] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4135] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4133] <... futex resumed>) = 0 [pid 4131] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4130] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4135] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4133] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4131] <... futex resumed>) = 0 [pid 4130] <... futex resumed>) = 0 [pid 4135] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4130] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4133] <... unlinkat resumed>) = 0 [pid 4131] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4135] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4133] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4135] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4133] <... futex resumed>) = 1 [pid 4130] <... futex resumed>) = 0 [pid 4135] <... futex resumed>) = 1 [pid 4133] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4135] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4131] <... futex resumed>) = 0 [pid 4130] exit_group(0 [pid 4133] <... futex resumed>) = ? [pid 4131] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4130] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 4138 attached [pid 4136] rt_sigprocmask(SIG_SETMASK, [] [pid 4135] <... futex resumed>) = 0 [pid 4133] +++ exited with 0 +++ [pid 4131] <... futex resumed>) = 1 [pid 4130] +++ exited with 0 +++ [pid 4135] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4131] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4135] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4130, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4135] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4137 attached ) = 1 [pid 4131] <... futex resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4135] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4131] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4135] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4131] <... futex resumed>) = 0 [pid 4135] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4131] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4137] set_robust_list(0x7f85c0c359a0, 24 [pid 4135] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4137] <... set_robust_list resumed>) = 0 [pid 4135] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4137] rt_sigprocmask(SIG_SETMASK, [] [pid 4135] <... futex resumed>) = 1 [pid 4131] <... futex resumed>) = 0 [pid 4136] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4135] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4131] exit_group(0 [pid 4137] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4135] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 4131] <... exit_group resumed>) = ? [pid 4135] +++ exited with 0 +++ [pid 4137] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4137] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4134] <... futex resumed>) = 0 [pid 4134] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4134] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4137] <... futex resumed>) = 1 [pid 4137] mount(NULL, "./config", "configfs", 0, NULL [pid 4131] +++ exited with 0 +++ [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4131, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4136] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4137] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4137] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4134] <... futex resumed>) = 0 [pid 4134] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4136] <... prctl resumed>) = 0 [pid 4134] <... futex resumed>) = 0 [pid 4138] set_robust_list(0x5555810c5760, 24 [pid 4134] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4137] <... futex resumed>) = 1 [pid 4137] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4137] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4134] <... futex resumed>) = 0 [pid 4134] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4134] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4137] <... futex resumed>) = 1 [pid 4137] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4136] setpgid(0, 0 [pid 4138] <... set_robust_list resumed>) = 0 [pid 4137] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4134] <... futex resumed>) = 0 [pid 4134] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4134] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4137] <... futex resumed>) = 1 [pid 4137] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4138] rt_sigprocmask(SIG_SETMASK, [] [pid 4137] <... mkdirat resumed>) = 0 [pid 4136] <... setpgid resumed>) = 0 [pid 4137] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4134] <... futex resumed>) = 0 [pid 4138] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4137] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4134] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4137] <... symlinkat resumed>) = 0 [pid 4134] <... futex resumed>) = 0 [pid 4138] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4137] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4136] <... openat resumed>) = 3 [pid 4134] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4138] <... prctl resumed>) = 0 [pid 4137] <... futex resumed>) = 0 [pid 4136] write(3, "1000", 4 [pid 4134] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] <... restart_syscall resumed>) = 0 [pid 4138] setpgid(0, 0 [pid 4137] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4136] <... write resumed>) = 4 [pid 4134] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4138] <... setpgid resumed>) = 0 [pid 4137] <... unlinkat resumed>) = 0 [pid 4136] close(3 [pid 4134] <... futex resumed>) = 0 [pid 4138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4137] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4136] <... close resumed>) = 0 [pid 4134] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4137] <... futex resumed>) = 0 [pid 4136] write(1, "executing program\n", 18 [pid 4134] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] <... restart_syscall resumed>) = 0 executing program [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4138] <... openat resumed>) = 3 [pid 4137] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4136] <... write resumed>) = 18 [pid 4134] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4138] write(3, "1000", 4 [pid 4137] <... unlinkat resumed>) = 0 [pid 4136] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4134] <... futex resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4138] <... write resumed>) = 4 [pid 4137] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4136] <... futex resumed>) = 0 [pid 4134] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4137] <... futex resumed>) = 0 [pid 4134] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4137] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4134] exit_group(0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4138] close(3 [pid 4137] <... futex resumed>) = ? [pid 4136] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4134] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 4140 attached [pid 4138] <... close resumed>) = 0 [pid 4137] +++ exited with 0 +++ [pid 4136] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4134] +++ exited with 0 +++ [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4140 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4139 [pid 4138] write(1, "executing program\n", 18 [pid 4136] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4138] <... write resumed>) = 18 executing program [pid 4136] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4134, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4138] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4136] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4138] <... futex resumed>) = 0 [pid 4136] <... mmap resumed>) = 0x7f85c0c15000 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4138] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4136] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4138] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4136] <... mprotect resumed>) = 0 [pid 4138] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1]ci2-android-5-15/strace-static-x86_64: Process 4139 attached , NULL, 8) = 0 [pid 4136] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4138] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4136] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4138] <... mmap resumed>) = 0x7f85c0c15000 [pid 4136] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4138] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4139] set_robust_list(0x5555810c5760, 24 [pid 4138] <... mprotect resumed>) = 0 [pid 4136] <... clone3 resumed> => {parent_tid=[4141]}, 88) = 4141 [pid 4139] <... set_robust_list resumed>) = 0 [pid 4138] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4136] rt_sigprocmask(SIG_SETMASK, [] [pid 4138] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4136] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4139] rt_sigprocmask(SIG_SETMASK, [] [pid 4136] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4138] <... clone3 resumed> => {parent_tid=[4142]}, 88) = 4142 [pid 4136] <... futex resumed>) = 0 [pid 4138] rt_sigprocmask(SIG_SETMASK, [] [pid 4139] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4138] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4136] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4138] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4139] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4138] <... futex resumed>) = 0 [pid 4139] <... prctl resumed>) = 0 [pid 4138] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4139] setpgid(0, 0) = 0 [pid 4139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-5-15/strace-static-x86_64: Process 4142 attached [pid 4140] set_robust_list(0x5555810c5760, 24 [pid 4139] <... openat resumed>) = 3 [pid 4139] write(3, "1000", 4) = 4 [pid 4139] close(3) = 0 executing program [pid 4139] write(1, "executing program\n", 18) = 18 [pid 4139] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4139] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4139] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4142] set_robust_list(0x7f85c0c359a0, 24 [pid 4140] <... set_robust_list resumed>) = 0 [pid 4139] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4139] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4139] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4140] rt_sigprocmask(SIG_SETMASK, [] [pid 4139] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4142] <... set_robust_list resumed>) = 0 [pid 4140] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4139] <... clone3 resumed> => {parent_tid=[4143]}, 88) = 4143 [pid 4139] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4139] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4139] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4142] rt_sigprocmask(SIG_SETMASK, [] [pid 4140] prctl(PR_SET_PDEATHSIG, SIGKILLci2-android-5-15/strace-static-x86_64: Process 4141 attached [pid 4141] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4141] rt_sigprocmask(SIG_SETMASK, [] [pid 4140] <... prctl resumed>) = 0 [pid 4141] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4142] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4140] setpgid(0, 0 [pid 4141] mkdirat(AT_FDCWD, "./config", 0777 [pid 4140] <... setpgid resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4143 attached [pid 4143] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4143] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4143] mkdirat(AT_FDCWD, "./config", 0777 [pid 304] <... restart_syscall resumed>) = 0 [pid 4140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4143] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4143] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4140] <... openat resumed>) = 3 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4139] <... futex resumed>) = 0 [pid 4139] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4139] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4143] <... futex resumed>) = 1 [pid 4143] mount(NULL, "./config", "configfs", 0, NULL [pid 4140] write(3, "1000", 4 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4144 [pid 4140] <... write resumed>) = 4 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4140] close(3 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4143] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4140] <... close resumed>) = 0 [pid 4143] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4139] <... futex resumed>) = 0 [pid 4139] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4139] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4143] <... futex resumed>) = 1 [pid 4143] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4143] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4139] <... futex resumed>) = 0 [pid 4139] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4139] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4143] <... futex resumed>) = 1 [pid 4143] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4142] mkdirat(AT_FDCWD, "./config", 0777 [pid 4141] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4140] write(1, "executing program\n", 18 [pid 4143] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4140] <... write resumed>) = 18 [pid 4142] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4141] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 4142] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4140] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4139] <... futex resumed>) = 0 [pid 4136] <... futex resumed>) = 0 [pid 4142] <... futex resumed>) = 1 [pid 4141] <... futex resumed>) = 1 [pid 4140] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4139] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4138] <... futex resumed>) = 0 [pid 4136] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4142] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4141] mount(NULL, "./config", "configfs", 0, NULL [pid 4140] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4139] <... futex resumed>) = 0 [pid 4138] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4136] <... futex resumed>) = 0 [pid 4142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4141] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4140] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4139] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4138] <... futex resumed>) = 0 [pid 4136] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4142] mount(NULL, "./config", "configfs", 0, NULL [pid 4141] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4140] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4138] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4136] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4140] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4136] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4142] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4141] <... futex resumed>) = 0 [pid 4140] <... mmap resumed>) = 0x7f85c0c15000 [pid 4142] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4141] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4140] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4136] <... futex resumed>) = 0 [pid 4140] <... mprotect resumed>) = 0 [pid 4136] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4138] <... futex resumed>) = 0 [pid 4141] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4138] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4142] <... futex resumed>) = 1 [pid 4141] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4140] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4138] <... futex resumed>) = 0 [pid 4142] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4140] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4138] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4136] <... futex resumed>) = 0 [pid 4141] <... futex resumed>) = 1 [pid 4142] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4140] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4136] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4141] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4136] <... futex resumed>) = 0 [pid 4143] <... futex resumed>) = 1 [pid 4136] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4142] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4141] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4142] <... futex resumed>) = 1 [pid 4140] <... clone3 resumed> => {parent_tid=[4145]}, 88) = 4145 [pid 4138] <... futex resumed>) = 0 [pid 4142] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4141] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4140] rt_sigprocmask(SIG_SETMASK, [] [pid 4138] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4140] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4138] <... futex resumed>) = 0 [pid 4141] <... futex resumed>) = 1 [pid 4140] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4138] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4142] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4136] <... futex resumed>) = 0 [pid 4141] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4140] <... futex resumed>) = 0 [pid 4136] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4142] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4141] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4140] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4136] <... futex resumed>) = 0 [pid 4142] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4141] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4136] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4142] <... futex resumed>) = 1 [pid 4138] <... futex resumed>) = 0 [pid 4143] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4142] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4138] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4141] <... mkdirat resumed>) = 0 [pid 4138] <... futex resumed>) = 0 [pid 4142] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4141] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4138] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4142] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4141] <... futex resumed>) = 1 [pid 4138] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4136] <... futex resumed>) = 0 [pid 4142] <... futex resumed>) = 0 [pid 4141] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4138] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4136] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4142] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4141] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4138] <... futex resumed>) = 0 [pid 4136] <... futex resumed>) = 0 [pid 4138] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4136] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4142] <... symlinkat resumed>) = 0 [pid 4141] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4142] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4141] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4142] <... futex resumed>) = 1 [pid 4141] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4138] <... futex resumed>) = 0 [pid 4142] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4141] <... futex resumed>) = 1 [pid 4138] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4136] <... futex resumed>) = 0 [pid 4142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4141] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4138] <... futex resumed>) = 0 [pid 4136] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4142] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4141] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4138] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4136] <... futex resumed>) = 0 [pid 4141] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4136] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4142] <... unlinkat resumed>) = 0 [pid 4141] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4142] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4141] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4142] <... futex resumed>) = 1 [pid 4138] <... futex resumed>) = 0 [pid 4142] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4141] <... futex resumed>) = 1 [pid 4138] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4136] <... futex resumed>) = 0 [pid 4142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4141] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4138] <... futex resumed>) = 0 [pid 4136] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4142] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4141] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4138] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4136] <... futex resumed>) = 0 [pid 4141] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4136] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4144 attached [pid 4143] <... mkdirat resumed>) = 0 [pid 4142] <... unlinkat resumed>) = 0 [pid 4141] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4144] set_robust_list(0x5555810c5760, 24 [pid 4143] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4142] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4141] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4144] <... set_robust_list resumed>) = 0 [pid 4143] <... futex resumed>) = 1 [pid 4142] <... futex resumed>) = 1 [pid 4141] <... futex resumed>) = 1 [pid 4139] <... futex resumed>) = 0 [pid 4138] <... futex resumed>) = 0 [pid 4136] <... futex resumed>) = 0 [pid 4144] rt_sigprocmask(SIG_SETMASK, [] [pid 4143] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4142] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4141] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4139] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4138] exit_group(0 [pid 4136] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 4145 attached [pid 4144] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4143] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4142] <... futex resumed>) = ? [pid 4141] <... futex resumed>) = ? [pid 4139] <... futex resumed>) = 0 [pid 4138] <... exit_group resumed>) = ? [pid 4136] <... exit_group resumed>) = ? [pid 4145] set_robust_list(0x7f85c0c359a0, 24 [pid 4144] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4143] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4142] +++ exited with 0 +++ [pid 4141] +++ exited with 0 +++ [pid 4139] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4145] <... set_robust_list resumed>) = 0 [pid 4144] <... prctl resumed>) = 0 [pid 4145] rt_sigprocmask(SIG_SETMASK, [] [pid 4144] setpgid(0, 0 [pid 4145] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4144] <... setpgid resumed>) = 0 [pid 4138] +++ exited with 0 +++ [pid 4145] mkdirat(AT_FDCWD, "./config", 0777 [pid 4144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4145] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4144] <... openat resumed>) = 3 [pid 4145] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4144] write(3, "1000", 4 [pid 4136] +++ exited with 0 +++ [pid 4145] <... futex resumed>) = 1 [pid 4144] <... write resumed>) = 4 [pid 4140] <... futex resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4136, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4145] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4144] close(3 [pid 4143] <... symlinkat resumed>) = 0 [pid 4140] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4138, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4144] <... close resumed>) = 0 [pid 4143] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4140] <... futex resumed>) = 0 [pid 4145] mount(NULL, "./config", "configfs", 0, NULL [pid 4144] write(1, "executing program\n", 18 [pid 4143] <... futex resumed>) = 1 [pid 4140] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4139] <... futex resumed>) = 0 executing program [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4145] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4144] <... write resumed>) = 18 [pid 4143] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4139] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4145] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4144] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4143] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4145] <... futex resumed>) = 1 [pid 4144] <... futex resumed>) = 0 [pid 4143] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4140] <... futex resumed>) = 0 [pid 4139] <... futex resumed>) = 0 [pid 4145] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4144] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4144] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4143] <... unlinkat resumed>) = 0 [pid 4140] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4139] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4145] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4144] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4143] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4140] <... futex resumed>) = 0 [pid 4139] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4145] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4144] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4143] <... futex resumed>) = 0 [pid 4140] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4145] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4144] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4143] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4140] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4139] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4145] <... futex resumed>) = 0 [pid 4144] <... mmap resumed>) = 0x7f85c0c15000 [pid 4145] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4144] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4143] <... unlinkat resumed>) = 0 [pid 4140] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4139] <... futex resumed>) = 0 [pid 4145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4144] <... mprotect resumed>) = 0 [pid 4143] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4140] <... futex resumed>) = 0 [pid 4139] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4145] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4144] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4143] <... futex resumed>) = 0 [pid 4140] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4139] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] <... restart_syscall resumed>) = 0 [pid 4145] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4144] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4143] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4139] exit_group(0 [pid 4145] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4144] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4145] <... futex resumed>) = 1 [pid 4143] <... futex resumed>) = ? [pid 4140] <... futex resumed>) = 0 [pid 4139] <... exit_group resumed>) = ? [pid 4145] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4144] <... clone3 resumed> => {parent_tid=[4146]}, 88) = 4146 [pid 4143] +++ exited with 0 +++ [pid 4140] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4144] rt_sigprocmask(SIG_SETMASK, [] [pid 4145] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4144] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4145] <... mkdirat resumed>) = 0 [pid 4144] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4139] +++ exited with 0 +++ [pid 4145] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4144] <... futex resumed>) = 0 [pid 4145] <... futex resumed>) = 0 [pid 4144] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4140] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4145] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4140] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4139, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4140] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4140] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4145] <... futex resumed>) = 0 [pid 4140] <... futex resumed>) = 1 [pid 4145] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4145] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4145] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4140] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4147 [pid 4140] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4145] <... futex resumed>) = 0 [pid 4140] <... futex resumed>) = 1 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4145] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4140] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4145] <... unlinkat resumed>) = 0 [pid 4145] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4145] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4140] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4147 attached [pid 4140] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4145] <... futex resumed>) = 0 [pid 4140] <... futex resumed>) = 1 [pid 4145] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4140] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4146 attached [pid 4145] <... unlinkat resumed>) = 0 [pid 4145] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4145] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4140] <... futex resumed>) = 0 [pid 4146] set_robust_list(0x7f85c0c359a0, 24 [pid 4140] exit_group(0 [pid 4147] set_robust_list(0x5555810c5760, 24 [pid 4145] <... futex resumed>) = ? [pid 4140] <... exit_group resumed>) = ? [pid 4146] <... set_robust_list resumed>) = 0 [pid 4145] +++ exited with 0 +++ [pid 311] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4140] +++ exited with 0 +++ [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4148 [pid 311] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4140, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4146] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4147] <... set_robust_list resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4146] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4147] rt_sigprocmask(SIG_SETMASK, [] [pid 4146] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4146] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4146] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4147] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4144] <... futex resumed>) = 0 [pid 4144] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4144] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4149 ci2-android-5-15/strace-static-x86_64: Process 4150 attached ci2-android-5-15/strace-static-x86_64: Process 4149 attached ci2-android-5-15/strace-static-x86_64: Process 4148 attached [pid 4147] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4146] <... futex resumed>) = 1 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4150 [pid 4147] <... prctl resumed>) = 0 [pid 4146] mount(NULL, "./config", "configfs", 0, NULL [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4147] setpgid(0, 0 [pid 4146] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4150] set_robust_list(0x5555810c5760, 24 [pid 4149] set_robust_list(0x5555810c5760, 24 [pid 4148] set_robust_list(0x5555810c5760, 24 [pid 4147] <... setpgid resumed>) = 0 [pid 4146] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4150] <... set_robust_list resumed>) = 0 [pid 4149] <... set_robust_list resumed>) = 0 [pid 4148] <... set_robust_list resumed>) = 0 [pid 4147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4146] <... futex resumed>) = 1 [pid 4144] <... futex resumed>) = 0 [pid 4147] <... openat resumed>) = 3 [pid 4146] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4144] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4147] write(3, "1000", 4 [pid 4146] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4144] <... futex resumed>) = 0 [pid 4147] <... write resumed>) = 4 [pid 4146] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4144] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4147] close(3 [pid 4146] <... futex resumed>) = 0 [pid 4144] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4147] <... close resumed>) = 0 [pid 4146] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4144] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4148] rt_sigprocmask(SIG_SETMASK, [] [pid 4147] write(1, "executing program\n", 18 [pid 4146] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4144] <... futex resumed>) = 0 executing program [pid 4150] rt_sigprocmask(SIG_SETMASK, [] [pid 4147] <... write resumed>) = 18 [pid 4146] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4144] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4148] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4147] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4150] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4146] <... futex resumed>) = 0 [pid 4144] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4147] <... futex resumed>) = 0 [pid 4146] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4144] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4147] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4146] <... mkdirat resumed>) = 0 [pid 4144] <... futex resumed>) = 0 [pid 4147] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4146] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4144] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4147] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4146] <... futex resumed>) = 0 [pid 4144] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4148] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4147] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4146] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4144] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4148] <... prctl resumed>) = 0 [pid 4147] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4146] <... symlinkat resumed>) = 0 [pid 4144] <... futex resumed>) = 0 [pid 4150] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4149] rt_sigprocmask(SIG_SETMASK, [] [pid 4147] <... mmap resumed>) = 0x7f85c0c15000 [pid 4146] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4144] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4147] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4146] <... futex resumed>) = 0 [pid 4144] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4147] <... mprotect resumed>) = 0 [pid 4146] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4144] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4147] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4146] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4144] <... futex resumed>) = 0 [pid 4147] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4146] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4144] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4150] <... prctl resumed>) = 0 [pid 4149] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4148] setpgid(0, 0 [pid 4147] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4146] <... unlinkat resumed>) = 0 [pid 4150] setpgid(0, 0 [pid 4149] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4148] <... setpgid resumed>) = 0 [pid 4150] <... setpgid resumed>) = 0 [pid 4149] <... prctl resumed>) = 0 [pid 4148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4149] setpgid(0, 0 [pid 4148] <... openat resumed>) = 3 ci2-android-5-15/strace-static-x86_64: Process 4151 attached [pid 4150] <... openat resumed>) = 3 [pid 4149] <... setpgid resumed>) = 0 [pid 4148] write(3, "1000", 4 [pid 4146] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4150] write(3, "1000", 4 [pid 4149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4148] <... write resumed>) = 4 [pid 4150] <... write resumed>) = 4 [pid 4149] <... openat resumed>) = 3 [pid 4148] close(3 [pid 4147] <... clone3 resumed> => {parent_tid=[4151]}, 88) = 4151 [pid 4146] <... futex resumed>) = 1 [pid 4144] <... futex resumed>) = 0 [pid 4151] set_robust_list(0x7f85c0c359a0, 24 [pid 4150] close(3 [pid 4149] write(3, "1000", 4 [pid 4148] <... close resumed>) = 0 [pid 4150] <... close resumed>) = 0 [pid 4149] <... write resumed>) = 4 [pid 4148] write(1, "executing program\n", 18 [pid 4150] write(1, "executing program\n", 18 [pid 4149] close(3 executing program [pid 4148] <... write resumed>) = 18 [pid 4150] <... write resumed>) = 18 [pid 4149] <... close resumed>) = 0 [pid 4148] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4147] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 4146] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4144] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4150] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4149] write(1, "executing program\n", 18 [pid 4148] <... futex resumed>) = 0 [pid 4150] <... futex resumed>) = 0 [pid 4149] <... write resumed>) = 18 [pid 4148] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4150] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} executing program [pid 4149] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4148] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4150] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4149] <... futex resumed>) = 0 [pid 4148] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4150] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4149] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4148] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4147] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4146] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4144] <... futex resumed>) = 0 [pid 4150] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4149] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4148] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4147] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4146] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4144] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4150] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4149] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4148] <... mmap resumed>) = 0x7f85c0c15000 [pid 4147] <... futex resumed>) = 0 [pid 4150] <... mmap resumed>) = 0x7f85c0c15000 [pid 4149] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4148] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4147] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4146] <... unlinkat resumed>) = 0 [pid 4150] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4149] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4148] <... mprotect resumed>) = 0 [pid 4146] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4150] <... mprotect resumed>) = 0 [pid 4149] <... mmap resumed>) = 0x7f85c0c15000 [pid 4148] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4150] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4149] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4148] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4146] <... futex resumed>) = 1 [pid 4144] <... futex resumed>) = 0 [pid 4150] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4149] <... mprotect resumed>) = 0 [pid 4148] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0}ci2-android-5-15/strace-static-x86_64: Process 4152 attached [pid 4151] <... set_robust_list resumed>) = 0 [pid 4150] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4149] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4146] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4144] exit_group(0 [pid 4151] rt_sigprocmask(SIG_SETMASK, [] [pid 4146] <... futex resumed>) = ? [pid 4144] <... exit_group resumed>) = ? [pid 4152] set_robust_list(0x7f85c0c359a0, 24 [pid 4151] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4149] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4148] <... clone3 resumed> => {parent_tid=[4152]}, 88) = 4152 [pid 4146] +++ exited with 0 +++ [pid 4144] +++ exited with 0 +++ [pid 4150] <... clone3 resumed> => {parent_tid=[4153]}, 88) = 4153 [pid 4149] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4150] rt_sigprocmask(SIG_SETMASK, [] [pid 4148] rt_sigprocmask(SIG_SETMASK, [] [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4144, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4148] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4150] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4149] <... clone3 resumed> => {parent_tid=[4154]}, 88) = 4154 [pid 4150] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4149] rt_sigprocmask(SIG_SETMASK, [] [pid 4148] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4150] <... futex resumed>) = 0 [pid 4149] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4150] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4149] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4148] <... futex resumed>) = 0 [pid 4149] <... futex resumed>) = 0 [pid 4148] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4149] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4151] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4151] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4147] <... futex resumed>) = 0 [pid 4151] mount(NULL, "./config", "configfs", 0, NULL [pid 4147] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4152] <... set_robust_list resumed>) = 0 [pid 4151] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4147] <... futex resumed>) = 0 [pid 4151] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4147] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4151] <... futex resumed>) = 0 [pid 4147] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4151] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4147] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4154 attached [pid 4151] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4147] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4153 attached [pid 4154] set_robust_list(0x7f85c0c359a0, 24 [pid 4152] rt_sigprocmask(SIG_SETMASK, [] [pid 4151] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4147] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4154] <... set_robust_list resumed>) = 0 [pid 4153] set_robust_list(0x7f85c0c359a0, 24 [pid 4151] <... futex resumed>) = 0 [pid 4147] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4154] rt_sigprocmask(SIG_SETMASK, [] [pid 4153] <... set_robust_list resumed>) = 0 [pid 4151] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4147] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4154] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4153] rt_sigprocmask(SIG_SETMASK, [] [pid 4151] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4147] <... futex resumed>) = 0 [pid 4154] mkdirat(AT_FDCWD, "./config", 0777 [pid 4153] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4152] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4151] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4147] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4154] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4153] mkdirat(AT_FDCWD, "./config", 0777 [pid 4152] mkdirat(AT_FDCWD, "./config", 0777 [pid 4151] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4154] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4153] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4152] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4151] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4154] <... futex resumed>) = 1 [pid 4153] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4151] <... futex resumed>) = 1 [pid 4149] <... futex resumed>) = 0 [pid 4147] <... futex resumed>) = 0 [pid 4154] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4153] <... futex resumed>) = 1 [pid 4152] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4151] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4150] <... futex resumed>) = 0 [pid 4149] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4147] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4153] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4152] <... futex resumed>) = 1 [pid 4151] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4150] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4149] <... futex resumed>) = 0 [pid 4148] <... futex resumed>) = 0 [pid 4147] <... futex resumed>) = 0 [pid 4154] mount(NULL, "./config", "configfs", 0, NULL [pid 4153] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4152] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4151] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4150] <... futex resumed>) = 0 [pid 4149] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4148] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4147] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4154] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4153] mount(NULL, "./config", "configfs", 0, NULL [pid 4152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4151] <... mkdirat resumed>) = 0 [pid 4150] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4148] <... futex resumed>) = 0 [pid 4154] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4153] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4152] mount(NULL, "./config", "configfs", 0, NULL [pid 4151] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4154] <... futex resumed>) = 1 [pid 4153] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4151] <... futex resumed>) = 1 [pid 4149] <... futex resumed>) = 0 [pid 4148] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4147] <... futex resumed>) = 0 [pid 4154] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4153] <... futex resumed>) = 1 [pid 4152] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4151] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4150] <... futex resumed>) = 0 [pid 4149] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4147] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4153] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4152] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4151] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4150] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4149] <... futex resumed>) = 0 [pid 4147] <... futex resumed>) = 0 [pid 4154] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4153] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4152] <... futex resumed>) = 1 [pid 4151] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4150] <... futex resumed>) = 0 [pid 4149] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4148] <... futex resumed>) = 0 [pid 4147] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4154] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4153] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4152] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4151] <... symlinkat resumed>) = 0 [pid 4150] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4148] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4154] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4153] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4151] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4148] <... futex resumed>) = 0 [pid 4154] <... futex resumed>) = 1 [pid 4153] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4152] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4151] <... futex resumed>) = 1 [pid 4149] <... futex resumed>) = 0 [pid 4148] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4147] <... futex resumed>) = 0 [pid 4154] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4153] <... futex resumed>) = 1 [pid 4152] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4151] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4150] <... futex resumed>) = 0 [pid 4149] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4147] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... restart_syscall resumed>) = 0 [pid 4154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4153] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4152] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4151] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4150] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4149] <... futex resumed>) = 0 [pid 4147] <... futex resumed>) = 0 [pid 4154] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4153] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4152] <... futex resumed>) = 1 [pid 4151] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4150] <... futex resumed>) = 0 [pid 4149] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4148] <... futex resumed>) = 0 [pid 4147] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4154] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4153] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4152] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4151] <... unlinkat resumed>) = 0 [pid 4150] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4148] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4154] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4153] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4151] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4148] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4154] <... futex resumed>) = 1 [pid 4153] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4152] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4151] <... futex resumed>) = 1 [pid 4149] <... futex resumed>) = 0 [pid 4148] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4147] <... futex resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4154] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4153] <... futex resumed>) = 1 [pid 4152] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4151] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4150] <... futex resumed>) = 0 [pid 4149] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4147] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4153] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4151] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4147] <... futex resumed>) = 0 [pid 4151] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4147] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4152] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4151] <... unlinkat resumed>) = 0 [pid 4150] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4149] <... futex resumed>) = 0 [pid 4154] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4153] <... futex resumed>) = 0 [pid 4152] <... futex resumed>) = 1 [pid 4151] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4150] <... futex resumed>) = 1 [pid 4149] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4148] <... futex resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4155 ci2-android-5-15/strace-static-x86_64: Process 4155 attached [pid 4154] <... mkdirat resumed>) = 0 [pid 4153] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4152] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4151] <... futex resumed>) = 1 [pid 4150] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4148] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4147] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4155] set_robust_list(0x5555810c5760, 24 [pid 4154] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4153] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4151] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4148] <... futex resumed>) = 0 [pid 4147] exit_group(0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4155] <... set_robust_list resumed>) = 0 [pid 4154] <... futex resumed>) = 1 [pid 4153] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4152] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4151] <... futex resumed>) = ? [pid 4149] <... futex resumed>) = 0 [pid 4148] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4147] <... exit_group resumed>) = ? [pid 4155] rt_sigprocmask(SIG_SETMASK, [] [pid 4154] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4153] <... futex resumed>) = 1 [pid 4152] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4151] +++ exited with 0 +++ [pid 4150] <... futex resumed>) = 0 [pid 4149] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4153] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4150] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4153] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4150] <... futex resumed>) = 0 [pid 4147] +++ exited with 0 +++ [pid 4155] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4153] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4152] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4150] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4149] <... futex resumed>) = 0 [pid 4155] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4154] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4153] <... symlinkat resumed>) = 0 [pid 4152] <... futex resumed>) = 1 [pid 4149] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4148] <... futex resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4147, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4155] <... prctl resumed>) = 0 [pid 4154] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4153] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4152] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4148] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4155] setpgid(0, 0 [pid 4154] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4153] <... futex resumed>) = 1 [pid 4152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4150] <... futex resumed>) = 0 [pid 4148] <... futex resumed>) = 0 [pid 4155] <... setpgid resumed>) = 0 [pid 4154] <... futex resumed>) = 1 [pid 4153] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4152] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4150] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4149] <... futex resumed>) = 0 [pid 4148] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4155] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4154] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4153] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4152] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4150] <... futex resumed>) = 0 [pid 4149] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4155] <... openat resumed>) = 3 [pid 4154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4153] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4152] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4150] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4149] <... futex resumed>) = 0 [pid 4155] write(3, "1000", 4 [pid 4154] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4153] <... unlinkat resumed>) = 0 [pid 4152] <... futex resumed>) = 1 [pid 4149] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4148] <... futex resumed>) = 0 [pid 4155] <... write resumed>) = 4 [pid 4154] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4153] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4152] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4148] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4155] close(3 [pid 4154] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4153] <... futex resumed>) = 1 [pid 4152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4150] <... futex resumed>) = 0 [pid 4148] <... futex resumed>) = 0 [pid 4155] <... close resumed>) = 0 [pid 4154] <... futex resumed>) = 1 [pid 4153] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4152] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4150] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4149] <... futex resumed>) = 0 [pid 4155] write(1, "executing program\n", 18 [pid 4154] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4153] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4152] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4150] <... futex resumed>) = 0 [pid 4149] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 4148] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4155] <... write resumed>) = 18 [pid 4154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4153] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4152] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4150] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4149] <... futex resumed>) = 0 [pid 4148] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4155] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4154] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4153] <... unlinkat resumed>) = 0 [pid 4152] <... futex resumed>) = 0 [pid 4149] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4148] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4155] <... futex resumed>) = 0 [pid 4154] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4153] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4152] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4148] <... futex resumed>) = 0 [pid 4155] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4154] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4153] <... futex resumed>) = 1 [pid 4150] <... futex resumed>) = 0 [pid 4152] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4155] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4154] <... futex resumed>) = 1 [pid 4153] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4150] exit_group(0 [pid 4152] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4149] <... futex resumed>) = 0 [pid 4148] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4155] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4154] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4153] <... futex resumed>) = ? [pid 4152] <... futex resumed>) = 0 [pid 4150] <... exit_group resumed>) = ? [pid 4149] exit_group(0 [pid 4148] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4155] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4153] +++ exited with 0 +++ [pid 4152] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4155] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4155] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4155] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4150] +++ exited with 0 +++ [pid 4155] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4149] <... exit_group resumed>) = ? [pid 4154] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 4148] exit_group(0 [pid 305] <... restart_syscall resumed>) = 0 [pid 4155] <... clone3 resumed> => {parent_tid=[4156]}, 88) = 4156 [pid 4155] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4155] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4155] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4156 attached [pid 4156] set_robust_list(0x7f85c0c359a0, 24 [pid 4154] +++ exited with 0 +++ [pid 4149] +++ exited with 0 +++ [pid 4156] <... set_robust_list resumed>) = 0 [pid 4148] <... exit_group resumed>) = ? [pid 4156] rt_sigprocmask(SIG_SETMASK, [] [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4150, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4156] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4149, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4152] <... futex resumed>) = ? [pid 4156] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4156] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4155] <... futex resumed>) = 0 [pid 4155] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4155] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4156] <... futex resumed>) = 1 [pid 4156] mount(NULL, "./config", "configfs", 0, NULL [pid 4152] +++ exited with 0 +++ [pid 4148] +++ exited with 0 +++ [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4148, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4156] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4156] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4155] <... futex resumed>) = 0 [pid 4155] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4155] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4156] <... futex resumed>) = 1 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4157 [pid 4156] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4156] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4156] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4155] <... futex resumed>) = 0 [pid 4155] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4155] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4155] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4156] <... futex resumed>) = 1 [pid 4156] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4156] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4155] <... futex resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4155] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4158 [pid 4155] <... futex resumed>) = 0 [pid 4155] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4156] <... futex resumed>) = 1 [pid 4156] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4159 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4156] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4155] <... futex resumed>) = 0 [pid 4155] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4155] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4156] <... futex resumed>) = 1 [pid 4156] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0"ci2-android-5-15/strace-static-x86_64: Process 4158 attached ci2-android-5-15/strace-static-x86_64: Process 4157 attached ) = 0 [pid 4156] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4155] <... futex resumed>) = 0 [pid 4155] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4155] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4156] <... futex resumed>) = 1 [pid 4156] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4158] set_robust_list(0x5555810c5760, 24 [pid 4156] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4155] <... futex resumed>) = 0 [pid 4155] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4155] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4156] <... futex resumed>) = 1 [pid 4156] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4158] <... set_robust_list resumed>) = 0 [pid 4156] <... unlinkat resumed>) = 0 [pid 4157] set_robust_list(0x5555810c5760, 24 [pid 4156] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4155] <... futex resumed>) = 0 [pid 4155] exit_group(0) = ? [pid 4158] rt_sigprocmask(SIG_SETMASK, [] [pid 4157] <... set_robust_list resumed>) = 0 [pid 4156] <... futex resumed>) = ? [pid 4158] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4157] rt_sigprocmask(SIG_SETMASK, [] [pid 4156] +++ exited with 0 +++ [pid 4155] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 4159 attached [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4155, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4159] set_robust_list(0x5555810c5760, 24 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4159] <... set_robust_list resumed>) = 0 [pid 4159] rt_sigprocmask(SIG_SETMASK, [] [pid 4158] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4159] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4159] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4159] setpgid(0, 0) = 0 [pid 4159] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4158] <... prctl resumed>) = 0 [pid 4157] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4158] setpgid(0, 0 [pid 4157] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4159] <... openat resumed>) = 3 [pid 4158] <... setpgid resumed>) = 0 [pid 4159] write(3, "1000", 4 [pid 4158] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4157] <... prctl resumed>) = 0 [pid 4159] <... write resumed>) = 4 [pid 4158] <... openat resumed>) = 3 [pid 4157] setpgid(0, 0 [pid 4158] write(3, "1000", 4 [pid 4157] <... setpgid resumed>) = 0 [pid 4159] close(3 [pid 311] <... restart_syscall resumed>) = 0 [pid 4158] <... write resumed>) = 4 [pid 4159] <... close resumed>) = 0 [pid 4157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4158] close(3 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4159] write(1, "executing program\n", 18 [pid 4158] <... close resumed>) = 0 [pid 4157] <... openat resumed>) = 3 ci2-android-5-15/strace-static-x86_64: Process 4160 attached [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4160 executing program [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4159] <... write resumed>) = 18 [pid 4158] write(1, "executing program\n", 18 [pid 4157] write(3, "1000", 4 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 4160] set_robust_list(0x5555810c5760, 24 [pid 4159] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4158] <... write resumed>) = 18 [pid 4157] <... write resumed>) = 4 [pid 4159] <... futex resumed>) = 0 [pid 4158] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4157] close(3 [pid 4159] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4158] <... futex resumed>) = 0 [pid 4159] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4158] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4157] <... close resumed>) = 0 [pid 4159] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4158] <... rt_sigaction resumed>, NULL, 8) = 0 executing program [pid 4158] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4159] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4158] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4157] write(1, "executing program\n", 18 [pid 4159] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4158] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4157] <... write resumed>) = 18 [pid 4159] <... mmap resumed>) = 0x7f85c0c15000 [pid 4158] <... mmap resumed>) = 0x7f85c0c15000 [pid 4159] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4158] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4157] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4159] <... mprotect resumed>) = 0 [pid 4158] <... mprotect resumed>) = 0 [pid 4158] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4159] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4158] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4157] <... futex resumed>) = 0 [pid 4159] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4158] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4157] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4159] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0}ci2-android-5-15/strace-static-x86_64: Process 4161 attached [pid 4157] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4161] set_robust_list(0x7f85c0c359a0, 24 [pid 4158] <... clone3 resumed> => {parent_tid=[4161]}, 88) = 4161 [pid 4157] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4159] <... clone3 resumed> => {parent_tid=[4162]}, 88) = 4162 [pid 4158] rt_sigprocmask(SIG_SETMASK, [] [pid 4157] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4159] rt_sigprocmask(SIG_SETMASK, [] [pid 4158] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4157] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4159] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4158] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4159] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4158] <... futex resumed>) = 0 [pid 4157] <... mmap resumed>) = 0x7f85c0c15000 [pid 304] <... restart_syscall resumed>) = 0 [pid 4159] <... futex resumed>) = 0 [pid 4158] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4157] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4159] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4157] <... mprotect resumed>) = 0 [pid 4161] <... set_robust_list resumed>) = 0 [pid 4161] rt_sigprocmask(SIG_SETMASK, [] [pid 4157] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4157] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4161] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4161] mkdirat(AT_FDCWD, "./config", 0777 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4157] <... clone3 resumed> => {parent_tid=[4163]}, 88) = 4163 [pid 4161] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4161] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4161] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 4162 attached [pid 4162] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4158] <... futex resumed>) = 0 [pid 4157] rt_sigprocmask(SIG_SETMASK, [] [pid 4158] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4164 [pid 4158] <... futex resumed>) = 1 [pid 4157] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4161] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4158] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4157] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4157] <... futex resumed>) = 0 [pid 4161] mount(NULL, "./config", "configfs", 0, NULL [pid 4157] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4161] <... mount resumed>) = -1 EBUSY (Device or resource busy) ci2-android-5-15/strace-static-x86_64: Process 4164 attached [pid 4160] <... set_robust_list resumed>) = 0 [pid 4161] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4161] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4158] <... futex resumed>) = 0 [pid 4161] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4158] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4161] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4158] <... futex resumed>) = 0 [pid 4161] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4158] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4161] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4158] <... futex resumed>) = 0 [pid 4161] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4158] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4161] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4158] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4161] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4158] <... futex resumed>) = 0 [pid 4158] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4161] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4158] <... futex resumed>) = 0 [pid 4161] <... mkdirat resumed>) = 0 [pid 4158] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4164] set_robust_list(0x5555810c5760, 24 [pid 4160] rt_sigprocmask(SIG_SETMASK, [] [pid 4161] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4158] <... futex resumed>) = 0 [pid 4160] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4158] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4161] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4160] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4158] <... futex resumed>) = 0 [pid 4161] <... symlinkat resumed>) = 0 [pid 4160] <... prctl resumed>) = 0 [pid 4158] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4164] <... set_robust_list resumed>) = 0 [pid 4162] rt_sigprocmask(SIG_SETMASK, [] [pid 4160] setpgid(0, 0 [pid 4162] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4161] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4160] <... setpgid resumed>) = 0 [pid 4164] rt_sigprocmask(SIG_SETMASK, [] [pid 4158] <... futex resumed>) = 0 [pid 4162] mkdirat(AT_FDCWD, "./config", 0777 [pid 4160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4158] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4162] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4158] <... futex resumed>) = 0 [pid 4162] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4158] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4161] <... futex resumed>) = 1 [pid 4160] <... openat resumed>) = 3 [pid 4159] <... futex resumed>) = 0 [pid 4159] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4159] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4162] <... futex resumed>) = 1 [pid 4162] mount(NULL, "./config", "configfs", 0, NULL [pid 4164] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4162] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4161] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4160] write(3, "1000", 4ci2-android-5-15/strace-static-x86_64: Process 4163 attached [pid 4162] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4163] set_robust_list(0x7f85c0c359a0, 24 [pid 4162] <... futex resumed>) = 1 [pid 4161] <... unlinkat resumed>) = 0 [pid 4160] <... write resumed>) = 4 [pid 4159] <... futex resumed>) = 0 [pid 4164] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4163] <... set_robust_list resumed>) = 0 [pid 4162] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4159] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4163] rt_sigprocmask(SIG_SETMASK, [] [pid 4162] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4159] <... futex resumed>) = 0 [pid 4163] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4162] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4159] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4163] mkdirat(AT_FDCWD, "./config", 0777 [pid 4164] <... prctl resumed>) = 0 [pid 4162] <... futex resumed>) = 0 [pid 4161] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4160] close(3 [pid 4159] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4164] setpgid(0, 0 [pid 4163] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4162] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4161] <... futex resumed>) = 1 [pid 4160] <... close resumed>) = 0 [pid 4159] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4158] <... futex resumed>) = 0 [pid 4164] <... setpgid resumed>) = 0 [pid 4163] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4161] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4160] write(1, "executing program\n", 18 [pid 4159] <... futex resumed>) = 0 [pid 4158] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4163] <... futex resumed>) = 1 executing program [pid 4162] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4161] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4160] <... write resumed>) = 18 [pid 4164] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4159] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4158] <... futex resumed>) = 0 [pid 4157] <... futex resumed>) = 0 [pid 4163] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4164] <... openat resumed>) = 3 [pid 4162] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4161] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4160] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4158] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4157] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4163] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4162] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4161] <... unlinkat resumed>) = 0 [pid 4164] write(3, "1000", 4 [pid 4160] <... futex resumed>) = 0 [pid 4157] <... futex resumed>) = 0 [pid 4161] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4160] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4157] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4164] <... write resumed>) = 4 [pid 4161] <... futex resumed>) = 1 [pid 4160] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4158] <... futex resumed>) = 0 [pid 4164] close(3 [pid 4161] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4160] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4158] exit_group(0 [pid 4164] <... close resumed>) = 0 [pid 4160] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4158] <... exit_group resumed>) = ? [pid 4163] mount(NULL, "./config", "configfs", 0, NULL [pid 4162] <... futex resumed>) = 1 [pid 4161] <... futex resumed>) = ? [pid 4160] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4159] <... futex resumed>) = 0 [pid 4164] write(1, "executing program\n", 18 [pid 4163] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4162] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4159] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4163] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4160] <... mmap resumed>) = 0x7f85c0c15000 [pid 4159] <... futex resumed>) = 0 [pid 4163] <... futex resumed>) = 1 executing program [pid 4162] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4159] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4157] <... futex resumed>) = 0 [pid 4160] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4164] <... write resumed>) = 18 [pid 4163] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4162] <... mkdirat resumed>) = 0 [pid 4161] +++ exited with 0 +++ [pid 4158] +++ exited with 0 +++ [pid 4160] <... mprotect resumed>) = 0 [pid 4157] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4164] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4163] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4162] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4160] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4157] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4158, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4164] <... futex resumed>) = 0 [pid 4163] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4162] <... futex resumed>) = 1 [pid 4160] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4159] <... futex resumed>) = 0 [pid 4157] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4164] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4163] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4162] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4160] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4159] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4164] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4163] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4159] <... futex resumed>) = 0 [pid 4164] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4163] <... futex resumed>) = 1 [pid 4162] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4159] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4157] <... futex resumed>) = 0 [pid 4164] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4163] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4162] <... symlinkat resumed>) = 0 [pid 4160] <... clone3 resumed> => {parent_tid=[4165]}, 88) = 4165 [pid 4157] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4164] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4163] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4162] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4160] rt_sigprocmask(SIG_SETMASK, [] [pid 4157] <... futex resumed>) = 0 [pid 4164] <... mmap resumed>) = 0x7f85c0c15000 [pid 4163] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4162] <... futex resumed>) = 1 [pid 4160] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4159] <... futex resumed>) = 0 [pid 4157] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4164] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4163] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4162] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4160] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4159] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4164] <... mprotect resumed>) = 0 [pid 4163] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4160] <... futex resumed>) = 0 [pid 4159] <... futex resumed>) = 0 [pid 4164] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4163] <... futex resumed>) = 1 [pid 4162] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4159] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4160] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4157] <... futex resumed>) = 0 [pid 4164] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4163] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4162] <... unlinkat resumed>) = 0 [pid 4164] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4163] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4162] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4157] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4163] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4162] <... futex resumed>) = 1 [pid 4159] <... futex resumed>) = 0 [pid 4164] <... clone3 resumed> => {parent_tid=[4166]}, 88) = 4166 [pid 4163] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4162] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4159] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4157] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4166 attached [pid 4164] rt_sigprocmask(SIG_SETMASK, [] [pid 4163] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4159] <... futex resumed>) = 0 [pid 4164] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4163] <... futex resumed>) = 0 [pid 4162] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4159] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4157] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4166] set_robust_list(0x7f85c0c359a0, 24 [pid 4164] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4163] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4162] <... unlinkat resumed>) = 0 [pid 4157] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4164] <... futex resumed>) = 0 [pid 4162] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4157] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4166] <... set_robust_list resumed>) = 0 [pid 4164] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4162] <... futex resumed>) = 1 [pid 4159] <... futex resumed>) = 0 [pid 4163] <... futex resumed>) = 0 [pid 4157] <... futex resumed>) = 1 [pid 4163] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4162] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4159] exit_group(0 [pid 4157] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4166] rt_sigprocmask(SIG_SETMASK, [] [pid 4163] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4162] <... futex resumed>) = ? [pid 4159] <... exit_group resumed>) = ? [pid 4166] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4163] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4162] +++ exited with 0 +++ [pid 4159] +++ exited with 0 +++ [pid 4163] <... futex resumed>) = 1 [pid 4157] <... futex resumed>) = 0 [pid 4163] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4157] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4163] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4157] <... futex resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4159, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4163] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4157] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4163] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4163] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4157] <... futex resumed>) = 0 [pid 4163] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4157] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4163] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4157] <... futex resumed>) = 0 [pid 4163] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4157] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4163] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) ci2-android-5-15/strace-static-x86_64: Process 4165 attached [pid 4163] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4165] set_robust_list(0x7f85c0c359a0, 24 [pid 4163] <... futex resumed>) = 1 [pid 4157] <... futex resumed>) = 0 [pid 4165] <... set_robust_list resumed>) = 0 [pid 4163] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4165] rt_sigprocmask(SIG_SETMASK, [] [pid 4157] exit_group(0 [pid 4165] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4163] <... futex resumed>) = ? [pid 4157] <... exit_group resumed>) = ? [pid 4166] mkdirat(AT_FDCWD, "./config", 0777 [pid 4165] mkdirat(AT_FDCWD, "./config", 0777 [pid 4163] +++ exited with 0 +++ [pid 4165] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4165] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4160] <... futex resumed>) = 0 [pid 4165] mount(NULL, "./config", "configfs", 0, NULL [pid 4160] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4165] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4160] <... futex resumed>) = 0 [pid 4165] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4160] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4165] <... futex resumed>) = 0 [pid 4160] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4165] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4160] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4165] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4160] <... futex resumed>) = 0 [pid 4157] +++ exited with 0 +++ [pid 4165] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4160] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4165] <... futex resumed>) = 0 [pid 4160] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4166] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4165] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4160] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4157, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4165] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4160] <... futex resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4166] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4165] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4160] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4166] <... futex resumed>) = 1 [pid 4165] <... futex resumed>) = 0 [pid 4164] <... futex resumed>) = 0 [pid 4160] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4166] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4165] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4164] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4160] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4166] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4165] <... mkdirat resumed>) = 0 [pid 4164] <... futex resumed>) = 0 [pid 4160] <... futex resumed>) = 0 [pid 4166] mount(NULL, "./config", "configfs", 0, NULL [pid 4165] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4164] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4160] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4165] <... futex resumed>) = 0 [pid 4160] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4166] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4165] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4160] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4166] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4165] <... symlinkat resumed>) = 0 [pid 4160] <... futex resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4165] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4160] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4165] <... futex resumed>) = 0 [pid 4160] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4165] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4160] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4165] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4160] <... futex resumed>) = 0 [pid 4165] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4160] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4165] <... unlinkat resumed>) = 0 [pid 4165] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4160] <... futex resumed>) = 0 [pid 4166] <... futex resumed>) = 1 [pid 4165] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4164] <... futex resumed>) = 0 [pid 4160] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4168 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4167 [pid 4166] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4165] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4164] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4160] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4166] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4165] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4164] <... futex resumed>) = 0 [pid 4160] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 4168 attached [pid 4166] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4165] <... unlinkat resumed>) = 0 [pid 4164] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4166] <... futex resumed>) = 0 [pid 4165] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4164] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4165] <... futex resumed>) = 1 [pid 4160] <... futex resumed>) = 0 [pid 4164] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4166] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4165] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4164] <... futex resumed>) = 0 [pid 4160] exit_group(0 [pid 4166] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4165] <... futex resumed>) = ? [pid 4164] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4160] <... exit_group resumed>) = ? [pid 4168] set_robust_list(0x5555810c5760, 24 [pid 4166] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4165] +++ exited with 0 +++ [pid 4164] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4160] +++ exited with 0 +++ [pid 4166] <... futex resumed>) = 0 [pid 4164] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4167 attached [pid 4166] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4164] <... futex resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4160, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4166] <... mkdirat resumed>) = 0 [pid 4164] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4166] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4164] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4166] <... futex resumed>) = 0 [pid 4164] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4166] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4164] <... futex resumed>) = 0 [pid 4166] <... symlinkat resumed>) = 0 [pid 4164] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4166] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4164] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4166] <... futex resumed>) = 0 [pid 4164] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4166] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4164] <... futex resumed>) = 0 [pid 4167] set_robust_list(0x5555810c5760, 24 [pid 4166] <... unlinkat resumed>) = 0 [pid 4164] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4166] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4164] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4166] <... futex resumed>) = 0 [pid 4164] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4166] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4164] <... futex resumed>) = 0 [pid 4167] <... set_robust_list resumed>) = 0 [pid 4164] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4167] rt_sigprocmask(SIG_SETMASK, [] [pid 4166] <... unlinkat resumed>) = 0 [pid 4167] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4168] <... set_robust_list resumed>) = 0 [pid 4166] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4167] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4166] <... futex resumed>) = 1 [pid 4164] <... futex resumed>) = 0 [pid 4168] rt_sigprocmask(SIG_SETMASK, [] [pid 4166] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4168] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4167] <... prctl resumed>) = 0 [pid 4164] exit_group(0 [pid 311] <... restart_syscall resumed>) = 0 [pid 4164] <... exit_group resumed>) = ? [pid 4167] setpgid(0, 0) = 0 [pid 4167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4166] <... futex resumed>) = ? [pid 4167] <... openat resumed>) = 3 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4167] write(3, "1000", 4 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4167] <... write resumed>) = 4 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4167] close(3) = 0 [pid 4167] write(1, "executing program\n", 18) = 18 [pid 4167] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4167] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4169 [pid 4167] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... restart_syscall resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4166] +++ exited with 0 +++ [pid 4164] +++ exited with 0 +++ [pid 4167] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4164, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 4168] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4167] <... mmap resumed>) = 0x7f85c0c15000 [pid 4167] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4167] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4168] <... prctl resumed>) = 0 [pid 4167] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4170 [pid 4168] setpgid(0, 0 [pid 4167] <... clone3 resumed> => {parent_tid=[4171]}, 88) = 4171 [pid 4167] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4167] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4168] <... setpgid resumed>) = 0 [pid 4167] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4167] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4169 attached [pid 4169] set_robust_list(0x5555810c5760, 24) = 0 [pid 4168] <... openat resumed>) = 3 [pid 4169] rt_sigprocmask(SIG_SETMASK, [] [pid 4168] write(3, "1000", 4ci2-android-5-15/strace-static-x86_64: Process 4171 attached ci2-android-5-15/strace-static-x86_64: Process 4170 attached [pid 4171] set_robust_list(0x7f85c0c359a0, 24 [pid 4170] set_robust_list(0x5555810c5760, 24 [pid 4169] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4168] <... write resumed>) = 4 [pid 4170] <... set_robust_list resumed>) = 0 [pid 4168] close(3 [pid 4171] <... set_robust_list resumed>) = 0 [pid 4169] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4168] <... close resumed>) = 0 [pid 4168] write(1, "executing program\n", 18 [pid 4170] rt_sigprocmask(SIG_SETMASK, [] [pid 4171] rt_sigprocmask(SIG_SETMASK, [] [pid 4169] <... prctl resumed>) = 0 [pid 4171] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4170] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 4169] setpgid(0, 0 [pid 4168] <... write resumed>) = 18 [pid 4170] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4171] mkdirat(AT_FDCWD, "./config", 0777 [pid 4168] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4169] <... setpgid resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 4168] <... futex resumed>) = 0 [pid 4171] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4170] <... prctl resumed>) = 0 [pid 4168] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4170] setpgid(0, 0 [pid 4168] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4168] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4168] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4170] <... setpgid resumed>) = 0 [pid 4168] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 4172 attached [pid 4171] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4170] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4168] <... mmap resumed>) = 0x7f85c0c15000 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4172 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4168] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4170] <... openat resumed>) = 3 [pid 4171] <... futex resumed>) = 1 [pid 4168] <... mprotect resumed>) = 0 [pid 4167] <... futex resumed>) = 0 [pid 4170] write(3, "1000", 4 [pid 4169] <... openat resumed>) = 3 [pid 4167] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4171] mount(NULL, "./config", "configfs", 0, NULL [pid 4168] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4167] <... futex resumed>) = 0 [pid 4170] <... write resumed>) = 4 [pid 4168] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4167] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4171] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4170] close(3 [pid 4169] write(3, "1000", 4 [pid 4168] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0}ci2-android-5-15/strace-static-x86_64: Process 4173 attached [pid 4170] <... close resumed>) = 0 [pid 4171] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4169] <... write resumed>) = 4 [pid 4171] <... futex resumed>) = 1 [pid 4170] write(1, "executing program\n", 18 [pid 4168] <... clone3 resumed> => {parent_tid=[4173]}, 88) = 4173 [pid 4167] <... futex resumed>) = 0 [pid 4172] set_robust_list(0x5555810c5760, 24 [pid 4171] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4170] <... write resumed>) = 18 [pid 4169] close(3 [pid 4168] rt_sigprocmask(SIG_SETMASK, [] [pid 4167] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 4170] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4168] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4167] <... futex resumed>) = 0 [pid 4171] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4170] <... futex resumed>) = 0 [pid 4169] <... close resumed>) = 0 [pid 4168] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4167] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4171] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4170] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4169] write(1, "executing program\n", 18 [pid 4168] <... futex resumed>) = 0 [pid 4170] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4168] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4173] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4173] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4170] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4171] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4169] <... write resumed>) = 18 [pid 4173] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4173] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4168] <... futex resumed>) = 0 [pid 4168] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4168] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4173] <... futex resumed>) = 1 executing program [pid 4173] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 4173] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4168] <... futex resumed>) = 0 [pid 4168] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4168] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4173] <... futex resumed>) = 1 [pid 4173] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4170] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4171] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4169] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4170] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4171] <... futex resumed>) = 1 [pid 4169] <... futex resumed>) = 0 [pid 4167] <... futex resumed>) = 0 [pid 4171] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4170] <... mmap resumed>) = 0x7f85c0c15000 [pid 4169] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4167] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4171] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4170] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4169] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4167] <... futex resumed>) = 0 [pid 4171] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4170] <... mprotect resumed>) = 0 [pid 4169] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4167] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4173] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4172] <... set_robust_list resumed>) = 0 [pid 4171] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4170] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4169] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4171] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4170] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4169] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4173] <... futex resumed>) = 1 [pid 4171] <... futex resumed>) = 1 [pid 4170] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4169] <... mmap resumed>) = 0x7f85c0c15000 [pid 4168] <... futex resumed>) = 0 [pid 4167] <... futex resumed>) = 0 [pid 4173] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4171] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4168] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4167] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4169] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4173] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4171] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4170] <... clone3 resumed> => {parent_tid=[4174]}, 88) = 4174 [pid 4168] <... futex resumed>) = 0 [pid 4167] <... futex resumed>) = 0 [pid 4169] <... mprotect resumed>) = 0 [pid 4173] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4171] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4170] rt_sigprocmask(SIG_SETMASK, [] [pid 4168] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4167] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4173] <... futex resumed>) = 0 [pid 4171] <... mkdirat resumed>) = 0 [pid 4170] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4169] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4168] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4173] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4171] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4170] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4169] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4168] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4173] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4171] <... futex resumed>) = 1 [pid 4170] <... futex resumed>) = 0 [pid 4169] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4168] <... futex resumed>) = 0 [pid 4167] <... futex resumed>) = 0 [pid 4173] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4171] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4170] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4168] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4167] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4173] <... futex resumed>) = 0 [pid 4171] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4169] <... clone3 resumed> => {parent_tid=[4175]}, 88) = 4175 [pid 4168] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4167] <... futex resumed>) = 0 [pid 4173] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4172] rt_sigprocmask(SIG_SETMASK, [] [pid 4171] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4169] rt_sigprocmask(SIG_SETMASK, [] [pid 4168] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4167] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4175 attached [pid 4173] <... symlinkat resumed>) = 0 [pid 4172] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4171] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4169] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4168] <... futex resumed>) = 0 [pid 4173] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4172] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4171] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4169] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4168] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4174 attached [pid 4173] <... futex resumed>) = 0 [pid 4172] <... prctl resumed>) = 0 [pid 4171] <... futex resumed>) = 1 [pid 4169] <... futex resumed>) = 0 [pid 4168] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4167] <... futex resumed>) = 0 [pid 4175] set_robust_list(0x7f85c0c359a0, 24 [pid 4174] set_robust_list(0x7f85c0c359a0, 24 [pid 4173] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4172] setpgid(0, 0 [pid 4171] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4169] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4168] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4167] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4174] <... set_robust_list resumed>) = 0 [pid 4173] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4172] <... setpgid resumed>) = 0 [pid 4171] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4168] <... futex resumed>) = 0 [pid 4167] <... futex resumed>) = 0 [pid 4174] rt_sigprocmask(SIG_SETMASK, [] [pid 4173] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4171] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4168] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4167] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4174] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4173] <... unlinkat resumed>) = 0 [pid 4172] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4171] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4174] mkdirat(AT_FDCWD, "./config", 0777 [pid 4173] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4171] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4174] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4173] <... futex resumed>) = 1 [pid 4172] <... openat resumed>) = 3 [pid 4171] <... futex resumed>) = 1 [pid 4168] <... futex resumed>) = 0 [pid 4167] <... futex resumed>) = 0 [pid 4174] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4173] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4172] write(3, "1000", 4 [pid 4171] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4168] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4167] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4175] <... set_robust_list resumed>) = 0 [pid 4174] <... futex resumed>) = 1 [pid 4173] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4172] <... write resumed>) = 4 [pid 4171] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4170] <... futex resumed>) = 0 [pid 4168] <... futex resumed>) = 0 [pid 4167] <... futex resumed>) = 0 [pid 4174] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4173] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4172] close(3 [pid 4171] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4170] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4168] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4167] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4175] rt_sigprocmask(SIG_SETMASK, [] [pid 4174] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4173] <... unlinkat resumed>) = 0 [pid 4172] <... close resumed>) = 0 [pid 4171] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4170] <... futex resumed>) = 0 [pid 4175] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4174] mount(NULL, "./config", "configfs", 0, NULL [pid 4173] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4172] write(1, "executing program\n", 18 [pid 4171] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4170] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4174] <... mount resumed>) = -1 EBUSY (Device or resource busy) executing program [pid 4173] <... futex resumed>) = 1 [pid 4172] <... write resumed>) = 18 [pid 4171] <... futex resumed>) = 1 [pid 4168] <... futex resumed>) = 0 [pid 4167] <... futex resumed>) = 0 [pid 4175] mkdirat(AT_FDCWD, "./config", 0777 [pid 4174] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4173] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4172] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4171] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4168] exit_group(0 [pid 4167] exit_group(0 [pid 4175] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4174] <... futex resumed>) = 1 [pid 4173] <... futex resumed>) = ? [pid 4172] <... futex resumed>) = 0 [pid 4171] <... futex resumed>) = ? [pid 4170] <... futex resumed>) = 0 [pid 4168] <... exit_group resumed>) = ? [pid 4167] <... exit_group resumed>) = ? [pid 4175] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4174] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4173] +++ exited with 0 +++ [pid 4172] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4171] +++ exited with 0 +++ [pid 4170] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4168] +++ exited with 0 +++ [pid 4167] +++ exited with 0 +++ [pid 4175] <... futex resumed>) = 1 [pid 4174] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4172] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4170] <... futex resumed>) = 0 [pid 4169] <... futex resumed>) = 0 [pid 4175] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4174] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4172] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4170] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4169] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4168, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4167, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4175] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4174] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4172] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4169] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4175] mount(NULL, "./config", "configfs", 0, NULL [pid 4174] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4172] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4169] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4175] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4174] <... futex resumed>) = 1 [pid 4172] <... mmap resumed>) = 0x7f85c0c15000 [pid 4170] <... futex resumed>) = 0 [pid 4175] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4174] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4172] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4170] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4175] <... futex resumed>) = 1 [pid 4174] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4172] <... mprotect resumed>) = 0 [pid 4170] <... futex resumed>) = 0 [pid 4169] <... futex resumed>) = 0 [pid 4175] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4174] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4170] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4172] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4175] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4174] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4172] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4169] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4175] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4174] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4172] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4169] <... futex resumed>) = 0 [pid 4175] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4174] <... futex resumed>) = 1 [pid 4170] <... futex resumed>) = 0 [pid 4175] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4174] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4170] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4169] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4175] <... futex resumed>) = 0 [pid 4174] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4172] <... clone3 resumed> => {parent_tid=[4176]}, 88) = 4176 [pid 4170] <... futex resumed>) = 0 [pid 4169] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4175] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4174] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4172] rt_sigprocmask(SIG_SETMASK, [] [pid 4170] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4169] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4175] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4174] <... mkdirat resumed>) = 0 [pid 4172] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4175] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4174] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4172] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4169] <... futex resumed>) = 0 [pid 4175] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4174] <... futex resumed>) = 1 [pid 4172] <... futex resumed>) = 0 [pid 4170] <... futex resumed>) = 0 [pid 4169] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4175] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4174] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4172] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4170] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4169] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4175] <... futex resumed>) = 0 [pid 4174] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4170] <... futex resumed>) = 0 [pid 4169] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4175] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4174] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4170] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4169] <... futex resumed>) = 0 [pid 4175] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4174] <... symlinkat resumed>) = 0 [pid 4169] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4175] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4174] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4169] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4175] <... futex resumed>) = 0 [pid 4174] <... futex resumed>) = 1 [pid 4170] <... futex resumed>) = 0 [pid 4169] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4175] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4174] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4170] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4169] <... futex resumed>) = 0 [pid 4175] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4174] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4170] <... futex resumed>) = 0 [pid 4169] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4175] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4174] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4170] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... restart_syscall resumed>) = 0 [pid 4175] <... futex resumed>) = 0 [pid 4174] <... unlinkat resumed>) = 0 [pid 4169] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4175] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4174] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4169] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4175] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4174] <... futex resumed>) = 1 [pid 4170] <... futex resumed>) = 0 [pid 4169] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4176 attached [pid 4175] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4174] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4170] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4169] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4176] set_robust_list(0x7f85c0c359a0, 24 [pid 4175] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4174] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4170] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4176] <... set_robust_list resumed>) = 0 [pid 4175] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4174] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4170] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4176] rt_sigprocmask(SIG_SETMASK, [] [pid 4175] <... futex resumed>) = 1 [pid 4174] <... unlinkat resumed>) = 0 [pid 4169] <... futex resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4176] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4174] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4176] mkdirat(AT_FDCWD, "./config", 0777 [pid 4174] <... futex resumed>) = 1 [pid 4170] <... futex resumed>) = 0 [pid 4176] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4175] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4174] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4170] exit_group(0 [pid 4169] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4176] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4175] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4174] <... futex resumed>) = ? [pid 4170] <... exit_group resumed>) = ? [pid 4169] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4177 ci2-android-5-15/strace-static-x86_64: Process 4177 attached [pid 4176] <... futex resumed>) = 1 [pid 4175] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4174] +++ exited with 0 +++ [pid 4172] <... futex resumed>) = 0 [pid 4170] +++ exited with 0 +++ [pid 4169] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4175] <... futex resumed>) = 0 [pid 4172] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4169] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4170, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4175] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4172] <... futex resumed>) = 0 [pid 4169] exit_group(0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4175] <... futex resumed>) = ? [pid 4172] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4169] <... exit_group resumed>) = ? [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4175] +++ exited with 0 +++ [pid 4176] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 4176] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4176] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ci2-android-5-15/strace-static-x86_64: Process 4178 attached [pid 4178] set_robust_list(0x5555810c5760, 24) = 0 [pid 4178] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4178] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4169] +++ exited with 0 +++ [pid 4172] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4178 [pid 4176] <... futex resumed>) = 0 [pid 4172] <... futex resumed>) = 1 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4169, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4176] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4172] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4176] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4176] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4176] <... futex resumed>) = 1 [pid 4172] <... futex resumed>) = 0 [pid 4176] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4172] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4176] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4172] <... futex resumed>) = 0 [pid 4176] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4172] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4176] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... restart_syscall resumed>) = 0 [pid 4172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4176] <... futex resumed>) = 0 [pid 4172] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4176] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4172] <... futex resumed>) = 0 [pid 4177] set_robust_list(0x5555810c5760, 24 [pid 4176] <... mkdirat resumed>) = 0 [pid 4172] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4176] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4177] <... set_robust_list resumed>) = 0 [pid 4176] <... futex resumed>) = 0 [pid 4172] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4176] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4172] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4177] rt_sigprocmask(SIG_SETMASK, [] [pid 4176] <... symlinkat resumed>) = 0 [pid 4172] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4177] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4176] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4176] <... futex resumed>) = 0 [pid 4176] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4178] <... prctl resumed>) = 0 [pid 4178] setpgid(0, 0) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 4172] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4179 [pid 4177] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4176] <... futex resumed>) = 0 [pid 4172] <... futex resumed>) = 1 [pid 4176] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4178] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4177] <... prctl resumed>) = 0 [pid 4176] <... unlinkat resumed>) = 0 [pid 4172] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4179 attached [pid 4178] <... openat resumed>) = 3 [pid 4177] setpgid(0, 0 [pid 4176] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4178] write(3, "1000", 4 [pid 4176] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4178] <... write resumed>) = 4 [pid 4177] <... setpgid resumed>) = 0 [pid 4176] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4172] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4179] set_robust_list(0x5555810c5760, 24 [pid 4178] close(3 [pid 4177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4176] <... unlinkat resumed>) = 0 [pid 4172] <... futex resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4178] <... close resumed>) = 0 [pid 4176] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4172] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4178] write(1, "executing program\n", 18 [pid 4176] <... futex resumed>) = 0 [pid 4178] <... write resumed>) = 18 [pid 4176] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4178] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4180 [pid 4172] exit_group(0 [pid 4178] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4177] <... openat resumed>) = 3 [pid 4176] <... futex resumed>) = ? executing program [pid 4172] <... exit_group resumed>) = ? [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4178] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4176] +++ exited with 0 +++ [pid 4178] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4178] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4178] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4178] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4172] +++ exited with 0 +++ [pid 4178] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4177] write(3, "1000", 4 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4172, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4178] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4177] <... write resumed>) = 4 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4178] <... clone3 resumed> => {parent_tid=[4181]}, 88) = 4181 [pid 4177] close(3 [pid 4178] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4178] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4177] <... close resumed>) = 0 [pid 4178] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4177] write(1, "executing program\n", 18ci2-android-5-15/strace-static-x86_64: Process 4180 attached executing program [pid 4179] <... set_robust_list resumed>) = 0 [pid 4177] <... write resumed>) = 18 [pid 4180] set_robust_list(0x5555810c5760, 24 [pid 4177] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4179] rt_sigprocmask(SIG_SETMASK, [] [pid 4177] <... futex resumed>) = 0 [pid 4180] <... set_robust_list resumed>) = 0 [pid 4179] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4177] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 304] <... restart_syscall resumed>) = 0 [pid 4177] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4180] rt_sigprocmask(SIG_SETMASK, [] [pid 4179] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4177] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4179] <... prctl resumed>) = 0 [pid 4177] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4181 attached [pid 4179] setpgid(0, 0 [pid 4177] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4179] <... setpgid resumed>) = 0 [pid 4177] <... mmap resumed>) = 0x7f85c0c15000 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4177] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 4182 attached [pid 4181] set_robust_list(0x7f85c0c359a0, 24 [pid 4180] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4179] <... openat resumed>) = 3 [pid 4177] <... mprotect resumed>) = 0 [pid 4180] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4182 [pid 4182] set_robust_list(0x5555810c5760, 24 [pid 4181] <... set_robust_list resumed>) = 0 [pid 4180] <... prctl resumed>) = 0 [pid 4179] write(3, "1000", 4 [pid 4177] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4180] setpgid(0, 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4180] <... setpgid resumed>) = 0 [pid 4182] <... set_robust_list resumed>) = 0 [pid 4181] rt_sigprocmask(SIG_SETMASK, [] [pid 4180] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4179] <... write resumed>) = 4 [pid 4177] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4180] <... openat resumed>) = 3 [pid 4179] close(3 [pid 4177] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4181] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4180] write(3, "1000", 4 [pid 4179] <... close resumed>) = 0 [pid 4177] <... clone3 resumed> => {parent_tid=[4183]}, 88) = 4183 [pid 4180] <... write resumed>) = 4 [pid 4177] rt_sigprocmask(SIG_SETMASK, [] [pid 4179] write(1, "executing program\n", 18 [pid 4177] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4179] <... write resumed>) = 18 [pid 4177] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 4179] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4177] <... futex resumed>) = 0 [pid 4179] <... futex resumed>) = 0 [pid 4177] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4179] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4180] close(3 [pid 4179] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4180] <... close resumed>) = 0 [pid 4179] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4181] mkdirat(AT_FDCWD, "./config", 0777 [pid 4179] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4180] write(1, "executing program\n", 18 [pid 4179] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4181] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4179] <... mmap resumed>) = 0x7f85c0c15000 executing program [pid 4181] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4180] <... write resumed>) = 18 [pid 4179] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4180] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4179] <... mprotect resumed>) = 0 [pid 4181] <... futex resumed>) = 1 [pid 4178] <... futex resumed>) = 0 [pid 4180] <... futex resumed>) = 0 [pid 4178] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4181] mount(NULL, "./config", "configfs", 0, NULL [pid 4180] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4179] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4178] <... futex resumed>) = 0 [pid 4181] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4180] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4179] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4178] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4183 attached [pid 4181] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4180] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4179] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4178] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4183] set_robust_list(0x7f85c0c359a0, 24 [pid 4180] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4178] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4183] <... set_robust_list resumed>) = 0 [pid 4180] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4178] <... futex resumed>) = 0 [pid 4181] <... futex resumed>) = 0 [pid 4183] rt_sigprocmask(SIG_SETMASK, [] [pid 4180] <... mmap resumed>) = 0x7f85c0c15000 [pid 4179] <... clone3 resumed> => {parent_tid=[4184]}, 88) = 4184 [pid 4178] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4183] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4181] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4180] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4179] rt_sigprocmask(SIG_SETMASK, [] [pid 4183] mkdirat(AT_FDCWD, "./config", 0777 [pid 4181] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4180] <... mprotect resumed>) = 0 [pid 4179] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4183] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4180] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4179] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4183] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4181] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4180] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4179] <... futex resumed>) = 0 [pid 4183] <... futex resumed>) = 1 [pid 4181] <... futex resumed>) = 1 [pid 4180] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4179] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4178] <... futex resumed>) = 0 [pid 4177] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4185 attached ci2-android-5-15/strace-static-x86_64: Process 4184 attached [pid 4183] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4182] rt_sigprocmask(SIG_SETMASK, [] [pid 4181] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4178] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4177] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4183] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4182] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4180] <... clone3 resumed> => {parent_tid=[4185]}, 88) = 4185 [pid 4178] <... futex resumed>) = 0 [pid 4177] <... futex resumed>) = 0 [pid 4185] set_robust_list(0x7f85c0c359a0, 24 [pid 4184] set_robust_list(0x7f85c0c359a0, 24 [pid 4183] mount(NULL, "./config", "configfs", 0, NULL [pid 4180] rt_sigprocmask(SIG_SETMASK, [] [pid 4178] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4177] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4183] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4182] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4181] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4180] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4183] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4180] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4183] <... futex resumed>) = 1 [pid 4180] <... futex resumed>) = 0 [pid 4177] <... futex resumed>) = 0 [pid 4185] <... set_robust_list resumed>) = 0 [pid 4184] <... set_robust_list resumed>) = 0 [pid 4183] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4182] <... prctl resumed>) = 0 [pid 4181] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4180] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4177] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4183] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4177] <... futex resumed>) = 0 [pid 4183] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4177] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4185] rt_sigprocmask(SIG_SETMASK, [] [pid 4184] rt_sigprocmask(SIG_SETMASK, [] [pid 4182] setpgid(0, 0 [pid 4181] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4185] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4184] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4183] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4182] <... setpgid resumed>) = 0 [pid 4181] <... futex resumed>) = 1 [pid 4178] <... futex resumed>) = 0 [pid 4181] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4178] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4182] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4178] <... futex resumed>) = 0 [pid 4178] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4181] <... mkdirat resumed>) = 0 [pid 4182] <... openat resumed>) = 3 [pid 4181] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4182] write(3, "1000", 4 [pid 4181] <... futex resumed>) = 1 [pid 4178] <... futex resumed>) = 0 [pid 4184] mkdirat(AT_FDCWD, "./config", 0777 [pid 4182] <... write resumed>) = 4 [pid 4181] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4178] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4182] close(3 [pid 4181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4178] <... futex resumed>) = 0 [pid 4182] <... close resumed>) = 0 [pid 4181] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4178] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4182] write(1, "executing program\n", 18 [pid 4181] <... symlinkat resumed>) = 0 [pid 4181] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 4182] <... write resumed>) = 18 [pid 4181] <... futex resumed>) = 1 [pid 4178] <... futex resumed>) = 0 [pid 4182] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4181] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4178] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4182] <... futex resumed>) = 0 [pid 4181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4178] <... futex resumed>) = 0 [pid 4184] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4182] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4181] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4178] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4184] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4182] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4181] <... unlinkat resumed>) = 0 [pid 4182] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4181] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4179] <... futex resumed>) = 0 [pid 4184] <... futex resumed>) = 1 [pid 4182] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4181] <... futex resumed>) = 1 [pid 4179] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4178] <... futex resumed>) = 0 [pid 4184] mount(NULL, "./config", "configfs", 0, NULL [pid 4182] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4181] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4179] <... futex resumed>) = 0 [pid 4178] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4182] <... mmap resumed>) = 0x7f85c0c15000 [pid 4181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4179] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4178] <... futex resumed>) = 0 [pid 4184] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4182] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4181] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4178] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4182] <... mprotect resumed>) = 0 [pid 4181] <... unlinkat resumed>) = 0 [pid 4182] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4181] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4184] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4183] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4182] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4181] <... futex resumed>) = 1 [pid 4178] <... futex resumed>) = 0 [pid 4184] <... futex resumed>) = 1 [pid 4183] <... futex resumed>) = 1 [pid 4182] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4181] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4179] <... futex resumed>) = 0 [pid 4178] exit_group(0 [pid 4177] <... futex resumed>) = 0 [pid 4178] <... exit_group resumed>) = ? [pid 4177] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4184] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4183] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4181] <... futex resumed>) = ? [pid 4179] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4177] <... futex resumed>) = 0 [pid 4184] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4183] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4182] <... clone3 resumed> => {parent_tid=[4186]}, 88) = 4186 [pid 4177] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4186 attached [pid 4186] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4186] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4181] +++ exited with 0 +++ [pid 4178] +++ exited with 0 +++ [pid 4186] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4182] rt_sigprocmask(SIG_SETMASK, [] [pid 4179] <... futex resumed>) = 0 [pid 4184] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4183] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4178, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4182] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4179] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4184] <... futex resumed>) = 0 [pid 4183] <... futex resumed>) = 1 [pid 4182] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4179] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4177] <... futex resumed>) = 0 [pid 4184] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4183] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4182] <... futex resumed>) = 0 [pid 4179] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4177] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4184] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4182] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4179] <... futex resumed>) = 0 [pid 4177] <... futex resumed>) = 0 [pid 4184] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4183] <... mkdirat resumed>) = 0 [pid 4179] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4177] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4184] <... futex resumed>) = 0 [pid 4183] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4179] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4177] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4184] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4183] <... futex resumed>) = 0 [pid 4179] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4177] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4186] mkdirat(AT_FDCWD, "./config", 0777 [pid 4184] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4183] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4179] <... futex resumed>) = 0 [pid 4177] <... futex resumed>) = 0 [pid 4186] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4184] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4179] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4177] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4186] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4184] <... futex resumed>) = 0 [pid 4183] <... symlinkat resumed>) = 0 [pid 4179] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4186] <... futex resumed>) = 1 [pid 4182] <... futex resumed>) = 0 [pid 4184] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4183] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4179] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4186] mount(NULL, "./config", "configfs", 0, NULL [pid 4184] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4183] <... futex resumed>) = 1 [pid 4182] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4179] <... futex resumed>) = 0 [pid 4177] <... futex resumed>) = 0 [pid 4186] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4184] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4183] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4182] <... futex resumed>) = 0 [pid 4179] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4177] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4186] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4184] <... futex resumed>) = 0 [pid 4183] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4182] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4179] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4177] <... futex resumed>) = 0 [pid 4186] <... futex resumed>) = 0 [pid 4185] mkdirat(AT_FDCWD, "./config", 0777 [pid 4184] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4183] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4182] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4179] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4177] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4186] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4182] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4186] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4182] <... futex resumed>) = 0 [pid 4184] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4179] <... futex resumed>) = 0 [pid 4185] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4183] <... unlinkat resumed>) = 0 [pid 4182] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4179] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4185] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4184] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4183] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4184] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4186] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4185] <... futex resumed>) = 1 [pid 4183] <... futex resumed>) = 1 [pid 4180] <... futex resumed>) = 0 [pid 4177] <... futex resumed>) = 0 [pid 4186] <... futex resumed>) = 1 [pid 4185] mount(NULL, "./config", "configfs", 0, NULL [pid 4184] <... futex resumed>) = 1 [pid 4183] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4182] <... futex resumed>) = 0 [pid 4180] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4179] <... futex resumed>) = 0 [pid 4177] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4186] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4185] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4184] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4183] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4182] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4180] <... futex resumed>) = 0 [pid 4179] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4177] <... futex resumed>) = 0 [pid 4186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4185] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4183] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4182] <... futex resumed>) = 0 [pid 4180] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4179] <... futex resumed>) = 0 [pid 4177] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4186] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4185] <... futex resumed>) = 0 [pid 4184] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4182] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4180] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4179] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4183] <... unlinkat resumed>) = 0 [pid 4186] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4185] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4184] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4180] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4186] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4185] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4184] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4183] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4180] <... futex resumed>) = 0 [pid 4186] <... futex resumed>) = 1 [pid 4185] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4184] <... futex resumed>) = 1 [pid 4183] <... futex resumed>) = 1 [pid 4182] <... futex resumed>) = 0 [pid 4180] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4179] <... futex resumed>) = 0 [pid 4177] <... futex resumed>) = 0 [pid 4186] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4185] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4184] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4183] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4182] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4179] exit_group(0 [pid 4177] exit_group(0 [pid 4186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4185] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4184] <... futex resumed>) = ? [pid 4183] <... futex resumed>) = ? [pid 4182] <... futex resumed>) = 0 [pid 4179] <... exit_group resumed>) = ? [pid 4177] <... exit_group resumed>) = ? [pid 4186] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4185] <... futex resumed>) = 1 [pid 4184] +++ exited with 0 +++ [pid 4183] +++ exited with 0 +++ [pid 4182] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4180] <... futex resumed>) = 0 [pid 4179] +++ exited with 0 +++ [pid 4177] +++ exited with 0 +++ [pid 4180] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4177, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4179, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4186] <... mkdirat resumed>) = 0 [pid 4186] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4185] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4180] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4186] <... futex resumed>) = 1 [pid 4185] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4182] <... futex resumed>) = 0 [pid 4180] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4186] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4185] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4182] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4180] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] <... restart_syscall resumed>) = 0 [pid 4186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4185] <... futex resumed>) = 0 [pid 4182] <... futex resumed>) = 0 [pid 4180] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4186] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4185] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4182] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4180] <... futex resumed>) = 0 [pid 4180] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... restart_syscall resumed>) = 0 [pid 4186] <... symlinkat resumed>) = 0 [pid 4185] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4186] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4185] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4186] <... futex resumed>) = 1 [pid 4185] <... futex resumed>) = 1 [pid 4182] <... futex resumed>) = 0 [pid 4180] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4186] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4185] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4182] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4180] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4185] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4182] <... futex resumed>) = 0 [pid 4180] <... futex resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4186] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4185] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4182] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4180] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4187 attached [pid 4186] <... unlinkat resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4187 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4185] <... symlinkat resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4187] set_robust_list(0x5555810c5760, 24) = 0 [pid 4187] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4186] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4185] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4188 [pid 4186] <... futex resumed>) = 1 [pid 4185] <... futex resumed>) = 1 [pid 4182] <... futex resumed>) = 0 [pid 4180] <... futex resumed>) = 0 [pid 4186] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4185] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4182] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4180] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4185] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4182] <... futex resumed>) = 0 [pid 4180] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4186] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4185] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4182] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4180] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4186] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 4185] <... unlinkat resumed>) = 0 [pid 4186] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4185] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4186] <... futex resumed>) = 1 [pid 4182] <... futex resumed>) = 0 [pid 4186] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4185] <... futex resumed>) = 1 [pid 4180] <... futex resumed>) = 0 [pid 4185] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4182] exit_group(0 [pid 4180] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4186] <... futex resumed>) = ? [pid 4185] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4182] <... exit_group resumed>) = ? [pid 4180] <... futex resumed>) = 0 [pid 4186] +++ exited with 0 +++ [pid 4180] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4187] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4187] setpgid(0, 0) = 0 [pid 4187] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4185] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4182] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4182, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4187] write(3, "1000", 4 [pid 4185] <... unlinkat resumed>) = 0 [pid 4187] <... write resumed>) = 4 [pid 4185] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4187] close(3 [pid 4185] <... futex resumed>) = 1 [pid 4180] <... futex resumed>) = 0 [pid 4185] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4180] exit_group(0 [pid 4187] <... close resumed>) = 0 [pid 4180] <... exit_group resumed>) = ? [pid 4185] <... futex resumed>) = ? [pid 4187] write(1, "executing program\n", 18) = 18 [pid 4187] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4187] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4187] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4187] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 4187] <... mmap resumed>) = 0x7f85c0c15000 [pid 4187] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4187] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4185] +++ exited with 0 +++ [pid 4180] +++ exited with 0 +++ [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4180, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4187] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4187] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[4189]}, 88) = 4189 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4190 [pid 4187] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4187] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4187] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4187] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4188 attached ci2-android-5-15/strace-static-x86_64: Process 4190 attached ci2-android-5-15/strace-static-x86_64: Process 4189 attached [pid 4188] set_robust_list(0x5555810c5760, 24) = 0 [pid 4188] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4188] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4190] set_robust_list(0x5555810c5760, 24 [pid 4188] <... prctl resumed>) = 0 [pid 4188] setpgid(0, 0) = 0 [pid 4190] <... set_robust_list resumed>) = 0 [pid 4189] set_robust_list(0x7f85c0c359a0, 24 [pid 4188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 305] <... restart_syscall resumed>) = 0 [pid 4188] write(3, "1000", 4) = 4 [pid 4188] close(3) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4188] write(1, "executing program\n", 18 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4188] <... write resumed>) = 18 [pid 4188] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4188] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4188] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 executing program [pid 4188] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4191 [pid 4188] <... mmap resumed>) = 0x7f85c0c15000 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4188] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4188] <... mprotect resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4191 attached [pid 4190] rt_sigprocmask(SIG_SETMASK, [] [pid 4189] <... set_robust_list resumed>) = 0 [pid 4188] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4188] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0}ci2-android-5-15/strace-static-x86_64: Process 4192 attached [pid 4191] set_robust_list(0x5555810c5760, 24 [pid 4190] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4189] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... restart_syscall resumed>) = 0 [pid 4188] <... clone3 resumed> => {parent_tid=[4192]}, 88) = 4192 [pid 4188] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4188] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4188] <... futex resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 4193 attached [pid 4192] set_robust_list(0x7f85c0c359a0, 24 [pid 4191] <... set_robust_list resumed>) = 0 [pid 4190] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4189] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4188] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4193 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4191] rt_sigprocmask(SIG_SETMASK, [] [pid 4190] <... prctl resumed>) = 0 [pid 4191] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4189] mkdirat(AT_FDCWD, "./config", 0777 [pid 4193] set_robust_list(0x5555810c5760, 24 [pid 4192] <... set_robust_list resumed>) = 0 [pid 4191] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4190] setpgid(0, 0 [pid 4189] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4192] rt_sigprocmask(SIG_SETMASK, [] [pid 4193] <... set_robust_list resumed>) = 0 [pid 4191] <... prctl resumed>) = 0 [pid 4190] <... setpgid resumed>) = 0 [pid 4189] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4190] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4192] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4191] setpgid(0, 0 [pid 4189] <... futex resumed>) = 1 [pid 4187] <... futex resumed>) = 0 [pid 4187] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4187] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4189] mount(NULL, "./config", "configfs", 0, NULL [pid 4191] <... setpgid resumed>) = 0 [pid 4190] <... openat resumed>) = 3 [pid 4189] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4191] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4189] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4190] write(3, "1000", 4 [pid 4189] <... futex resumed>) = 1 [pid 4187] <... futex resumed>) = 0 [pid 4191] <... openat resumed>) = 3 [pid 4190] <... write resumed>) = 4 [pid 4187] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4187] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4193] rt_sigprocmask(SIG_SETMASK, [] [pid 4192] mkdirat(AT_FDCWD, "./config", 0777 [pid 4191] write(3, "1000", 4 [pid 4190] close(3 [pid 4189] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4193] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4192] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4191] <... write resumed>) = 4 [pid 4190] <... close resumed>) = 0 [pid 4189] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4191] close(3 [pid 4190] write(1, "executing program\n", 18 [pid 4189] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4191] <... close resumed>) = 0 [pid 4190] <... write resumed>) = 18 [pid 4189] <... futex resumed>) = 1 [pid 4187] <... futex resumed>) = 0 executing program [pid 4191] write(1, "executing program\n", 18 [pid 4190] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4189] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL executing program [pid 4187] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4191] <... write resumed>) = 18 [pid 4190] <... futex resumed>) = 0 [pid 4189] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4187] <... futex resumed>) = 0 [pid 4191] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4190] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4189] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4187] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4191] <... futex resumed>) = 0 [pid 4190] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4189] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4191] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4190] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4189] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4191] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4190] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4192] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4191] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4190] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4189] <... futex resumed>) = 1 [pid 4187] <... futex resumed>) = 0 [pid 4192] <... futex resumed>) = 1 [pid 4191] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4190] <... mmap resumed>) = 0x7f85c0c15000 [pid 4189] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4188] <... futex resumed>) = 0 [pid 4187] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4193] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4192] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4191] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4190] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4189] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4188] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4187] <... futex resumed>) = 0 [pid 4192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4191] <... mmap resumed>) = 0x7f85c0c15000 [pid 4190] <... mprotect resumed>) = 0 [pid 4189] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4188] <... futex resumed>) = 0 [pid 4187] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4192] mount(NULL, "./config", "configfs", 0, NULL [pid 4191] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4190] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4188] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4191] <... mprotect resumed>) = 0 [pid 4190] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4189] <... mkdirat resumed>) = 0 [pid 4191] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4190] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4191] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4189] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4194 attached [pid 4191] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4189] <... futex resumed>) = 1 [pid 4187] <... futex resumed>) = 0 [pid 4187] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4189] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4187] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4190] <... clone3 resumed> => {parent_tid=[4194]}, 88) = 4194 [pid 4191] <... clone3 resumed> => {parent_tid=[4195]}, 88) = 4195 [pid 4190] rt_sigprocmask(SIG_SETMASK, [] [pid 4191] rt_sigprocmask(SIG_SETMASK, [] [pid 4189] <... symlinkat resumed>) = 0 [pid 4191] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4190] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4189] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4191] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4190] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4194] set_robust_list(0x7f85c0c359a0, 24 [pid 4192] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4191] <... futex resumed>) = 0 [pid 4190] <... futex resumed>) = 0 [pid 4189] <... futex resumed>) = 1 [pid 4187] <... futex resumed>) = 0 [pid 4192] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4191] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4190] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4189] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4187] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4192] <... futex resumed>) = 1 [pid 4189] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4188] <... futex resumed>) = 0 [pid 4187] <... futex resumed>) = 0 [pid 4192] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4189] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4188] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4187] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4189] <... unlinkat resumed>) = 0 [pid 4188] <... futex resumed>) = 0 [pid 4192] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4189] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4188] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4192] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4189] <... futex resumed>) = 1 [pid 4187] <... futex resumed>) = 0 [pid 4192] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4189] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4187] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4192] <... futex resumed>) = 1 [pid 4189] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4188] <... futex resumed>) = 0 [pid 4187] <... futex resumed>) = 0 [pid 4192] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4189] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4188] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4187] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4194] <... set_robust_list resumed>) = 0 [pid 4193] <... prctl resumed>) = 0 [pid 4192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4188] <... futex resumed>) = 0 [pid 4194] rt_sigprocmask(SIG_SETMASK, [] [pid 4189] <... unlinkat resumed>) = 0 [pid 4188] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4194] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4192] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4189] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4194] mkdirat(AT_FDCWD, "./config", 0777 [pid 4192] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4189] <... futex resumed>) = 1 [pid 4187] <... futex resumed>) = 0 [pid 4194] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4193] setpgid(0, 0 [pid 4192] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4189] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4187] exit_group(0 [pid 4194] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4192] <... futex resumed>) = 1 [pid 4189] <... futex resumed>) = ? [pid 4188] <... futex resumed>) = 0 [pid 4187] <... exit_group resumed>) = ? [pid 4194] <... futex resumed>) = 1 [pid 4193] <... setpgid resumed>) = 0 [pid 4192] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4190] <... futex resumed>) = 0 [pid 4189] +++ exited with 0 +++ [pid 4188] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4187] +++ exited with 0 +++ [pid 4194] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4190] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4188] <... futex resumed>) = 0 [pid 4194] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4192] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4190] <... futex resumed>) = 0 [pid 4188] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4190] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4187, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4194] mount(NULL, "./config", "configfs", 0, NULL [pid 4192] <... mkdirat resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4192] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4195 attached [pid 4195] set_robust_list(0x7f85c0c359a0, 24 [pid 4194] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4188] <... futex resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 4192] <... futex resumed>) = 1 [pid 4195] <... set_robust_list resumed>) = 0 [pid 4194] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4192] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4188] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4195] rt_sigprocmask(SIG_SETMASK, [] [pid 4188] <... futex resumed>) = 0 [pid 4195] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4188] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4195] mkdirat(AT_FDCWD, "./config", 0777 [pid 4194] <... futex resumed>) = 1 [pid 4192] <... symlinkat resumed>) = 0 [pid 4190] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4194] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4193] <... openat resumed>) = 3 [pid 4192] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4190] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4195] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4195] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4191] <... futex resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4195] mount(NULL, "./config", "configfs", 0, NULL [pid 4191] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4195] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4191] <... futex resumed>) = 0 [pid 4195] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4191] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4195] <... futex resumed>) = 0 [pid 4191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4195] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4194] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4192] <... futex resumed>) = 1 [pid 4193] write(3, "1000", 4 [pid 4191] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4190] <... futex resumed>) = 0 [pid 4188] <... futex resumed>) = 0 [pid 4195] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4194] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4193] <... write resumed>) = 4 [pid 4192] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4191] <... futex resumed>) = 0 [pid 4190] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4188] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4196 ci2-android-5-15/strace-static-x86_64: Process 4196 attached [pid 4195] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4194] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4193] close(3 [pid 4192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4191] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4188] <... futex resumed>) = 0 [pid 4195] <... futex resumed>) = 0 [pid 4194] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4193] <... close resumed>) = 0 [pid 4192] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4188] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4195] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4194] <... futex resumed>) = 1 [pid 4193] write(1, "executing program\n", 18 [pid 4192] <... unlinkat resumed>) = 0 [pid 4191] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4190] <... futex resumed>) = 0 [pid 4195] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 4194] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4193] <... write resumed>) = 18 [pid 4192] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4191] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4190] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4195] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4194] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4193] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4192] <... futex resumed>) = 1 [pid 4191] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4190] <... futex resumed>) = 0 [pid 4188] <... futex resumed>) = 0 [pid 4195] <... futex resumed>) = 0 [pid 4194] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4193] <... futex resumed>) = 0 [pid 4192] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4190] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4188] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4196] set_robust_list(0x5555810c5760, 24 [pid 4195] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4194] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4193] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4191] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4188] <... futex resumed>) = 0 [pid 4196] <... set_robust_list resumed>) = 0 [pid 4195] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4194] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4193] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4192] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4191] <... futex resumed>) = 0 [pid 4188] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4196] rt_sigprocmask(SIG_SETMASK, [] [pid 4195] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4194] <... futex resumed>) = 1 [pid 4193] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4191] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4190] <... futex resumed>) = 0 [pid 4196] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4195] <... mkdirat resumed>) = 0 [pid 4194] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4193] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4192] <... unlinkat resumed>) = 0 [pid 4190] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4196] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4195] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4194] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4193] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4192] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4190] <... futex resumed>) = 0 [pid 4196] <... prctl resumed>) = 0 [pid 4195] <... futex resumed>) = 1 [pid 4194] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4193] <... mmap resumed>) = 0x7f85c0c15000 [pid 4192] <... futex resumed>) = 1 [pid 4191] <... futex resumed>) = 0 [pid 4190] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4188] <... futex resumed>) = 0 [pid 4196] setpgid(0, 0 [pid 4195] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4194] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4193] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4192] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4191] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4188] exit_group(0 [pid 4196] <... setpgid resumed>) = 0 [pid 4195] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4194] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4193] <... mprotect resumed>) = 0 [pid 4192] <... futex resumed>) = ? [pid 4191] <... futex resumed>) = 0 [pid 4188] <... exit_group resumed>) = ? [pid 4196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4195] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4194] <... futex resumed>) = 1 [pid 4193] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4192] +++ exited with 0 +++ [pid 4191] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4190] <... futex resumed>) = 0 [pid 4188] +++ exited with 0 +++ [pid 4196] <... openat resumed>) = 3 [pid 4195] <... symlinkat resumed>) = 0 [pid 4194] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4193] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4190] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4196] write(3, "1000", 4 [pid 4195] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4194] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4193] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4190] <... futex resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4188, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4196] <... write resumed>) = 4 [pid 4195] <... futex resumed>) = 1 [pid 4194] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4191] <... futex resumed>) = 0 [pid 4196] close(3 [pid 4195] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4194] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4191] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4190] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4196] <... close resumed>) = 0 [pid 4195] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4194] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4193] <... clone3 resumed> => {parent_tid=[4197]}, 88) = 4197 [pid 4191] <... futex resumed>) = 0 [pid 4190] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4196] write(1, "executing program\n", 18 executing program [pid 4195] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4194] <... futex resumed>) = 0 [pid 4193] rt_sigprocmask(SIG_SETMASK, [] [pid 4191] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4190] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4196] <... write resumed>) = 18 [pid 4195] <... unlinkat resumed>) = 0 [pid 4194] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4193] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4190] <... futex resumed>) = 0 [pid 4196] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4195] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4194] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4190] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4193] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4196] <... futex resumed>) = 0 [pid 4195] <... futex resumed>) = 1 [pid 4194] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4193] <... futex resumed>) = 0 [pid 4191] <... futex resumed>) = 0 [pid 4190] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4196] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4195] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4194] <... futex resumed>) = 0 [pid 4193] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4191] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4190] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... restart_syscall resumed>) = 0 [pid 4196] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4195] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4194] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4191] <... futex resumed>) = 0 [pid 4190] <... futex resumed>) = 0 [pid 4196] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4195] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4191] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4196] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4195] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4194] <... unlinkat resumed>) = 0 [pid 4190] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4196] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4195] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4194] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4196] <... mmap resumed>) = 0x7f85c0c15000 [pid 4195] <... futex resumed>) = 1 [pid 4191] <... futex resumed>) = 0 [pid 4190] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4196] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4195] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4194] <... futex resumed>) = 0 [pid 4191] exit_group(0 [pid 4190] exit_group(0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4197 attached [pid 4196] <... mprotect resumed>) = 0 [pid 4195] <... futex resumed>) = ? [pid 4191] <... exit_group resumed>) = ? [pid 4190] <... exit_group resumed>) = ? [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4197] set_robust_list(0x7f85c0c359a0, 24 [pid 4196] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4195] +++ exited with 0 +++ [pid 4194] +++ exited with 0 +++ [pid 4191] +++ exited with 0 +++ [pid 4197] <... set_robust_list resumed>) = 0 [pid 4196] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4197] rt_sigprocmask(SIG_SETMASK, [] [pid 4196] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4197] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4197] mkdirat(AT_FDCWD, "./config", 0777 [pid 4196] <... clone3 resumed> => {parent_tid=[4198]}, 88) = 4198 [pid 4190] +++ exited with 0 +++ [pid 4197] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4196] rt_sigprocmask(SIG_SETMASK, [] [pid 4197] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4196] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4197] <... futex resumed>) = 1 [pid 4196] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4197] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4196] <... futex resumed>) = 0 [pid 4193] <... futex resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4199 [pid 4196] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4193] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4190, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4193] <... futex resumed>) = 1 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4191, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4193] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4197] <... futex resumed>) = 0 [pid 4197] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) ci2-android-5-15/strace-static-x86_64: Process 4199 attached ci2-android-5-15/strace-static-x86_64: Process 4198 attached [pid 4197] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4199] set_robust_list(0x5555810c5760, 24 [pid 4197] <... futex resumed>) = 1 [pid 4193] <... futex resumed>) = 0 [pid 4197] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4193] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4197] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4193] <... futex resumed>) = 0 [pid 4197] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4193] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4197] <... futex resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 4193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4193] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4197] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4193] <... futex resumed>) = 0 [pid 4193] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4197] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4197] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4199] <... set_robust_list resumed>) = 0 [pid 4198] set_robust_list(0x7f85c0c359a0, 24 [pid 4197] <... futex resumed>) = 1 [pid 4193] <... futex resumed>) = 0 [pid 4197] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4193] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4200 [pid 4197] <... futex resumed>) = 0 [pid 4193] <... futex resumed>) = 1 [pid 4197] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4193] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4199] rt_sigprocmask(SIG_SETMASK, [] [pid 4198] <... set_robust_list resumed>) = 0 [pid 4197] <... mkdirat resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4197] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4199] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4197] <... futex resumed>) = 1 [pid 4193] <... futex resumed>) = 0 [pid 4197] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4193] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4199] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4197] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4197] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4193] <... futex resumed>) = 0 [pid 4199] <... prctl resumed>) = 0 [pid 4198] rt_sigprocmask(SIG_SETMASK, [] [pid 4197] <... symlinkat resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 4197] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4193] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4199] setpgid(0, 0 [pid 4197] <... futex resumed>) = 0 [pid 4193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4197] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4193] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4199] <... setpgid resumed>) = 0 [pid 4197] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4197] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4193] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4199] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4197] <... unlinkat resumed>) = 0 [pid 4193] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4197] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4199] <... openat resumed>) = 3 [pid 4197] <... futex resumed>) = 0 [pid 4197] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4193] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4197] <... unlinkat resumed>) = 0 [pid 4197] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4197] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL) = 0 [pid 4193] <... futex resumed>) = 1 [pid 4199] write(3, "1000", 4 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4201 [pid 4197] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4193] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4200 attached [pid 4199] <... write resumed>) = 4 [pid 4198] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4193] exit_group(0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4200] set_robust_list(0x5555810c5760, 24 [pid 4199] close(3 [pid 4198] mkdirat(AT_FDCWD, "./config", 0777 [pid 4197] <... futex resumed>) = ? [pid 4193] <... exit_group resumed>) = ? [pid 4200] <... set_robust_list resumed>) = 0 [pid 4199] <... close resumed>) = 0 [pid 4198] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4197] +++ exited with 0 +++ [pid 4200] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4200] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4193] +++ exited with 0 +++ [pid 4200] setpgid(0, 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4193, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4199] write(1, "executing program\n", 18 [pid 4198] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4200] <... setpgid resumed>) = 0 executing program [pid 4200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4199] <... write resumed>) = 18 [pid 4198] <... futex resumed>) = 1 [pid 4196] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4201 attached [pid 4200] <... openat resumed>) = 3 [pid 4199] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4198] mount(NULL, "./config", "configfs", 0, NULL [pid 4196] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4200] write(3, "1000", 4 [pid 4196] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4200] <... write resumed>) = 4 [pid 4196] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4200] close(3 [pid 4199] <... futex resumed>) = 0 [pid 4198] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4200] <... close resumed>) = 0 [pid 4200] write(1, "executing program\n", 18) = 18 [pid 4200] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 4199] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4198] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4200] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4202 [pid 4199] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4198] <... futex resumed>) = 1 [pid 4196] <... futex resumed>) = 0 [pid 4200] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4199] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4198] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4196] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4200] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4199] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4196] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4201] set_robust_list(0x5555810c5760, 24 [pid 4200] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4199] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4198] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4196] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4200] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4199] <... mmap resumed>) = 0x7f85c0c15000 [pid 4198] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4199] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4198] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4199] <... mprotect resumed>) = 0 [pid 4200] <... mmap resumed>) = 0x7f85c0c15000 [pid 4200] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4199] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4198] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4199] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4200] <... mprotect resumed>) = 0 [pid 4199] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4198] <... futex resumed>) = 1 [pid 4196] <... futex resumed>) = 0 [pid 4200] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4196] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4200] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4198] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4201] <... set_robust_list resumed>) = 0 [pid 4196] <... futex resumed>) = 0 [pid 4200] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4199] <... clone3 resumed> => {parent_tid=[4203]}, 88) = 4203 [pid 4196] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4201] rt_sigprocmask(SIG_SETMASK, [] [pid 4199] rt_sigprocmask(SIG_SETMASK, [] [pid 4198] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4201] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4200] <... clone3 resumed> => {parent_tid=[4204]}, 88) = 4204 [pid 4199] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4198] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4200] rt_sigprocmask(SIG_SETMASK, [] [pid 4199] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4201] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4200] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4199] <... futex resumed>) = 0 [pid 4198] <... futex resumed>) = 1 [pid 4196] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4202 attached [pid 4201] <... prctl resumed>) = 0 [pid 4200] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4199] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4198] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4196] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4203 attached [pid 4202] set_robust_list(0x5555810c5760, 24 [pid 4201] setpgid(0, 0 [pid 4200] <... futex resumed>) = 0 [pid 4198] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4196] <... futex resumed>) = 0 [pid 4202] <... set_robust_list resumed>) = 0 [pid 4201] <... setpgid resumed>) = 0 [pid 4200] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4198] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4196] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4203] set_robust_list(0x7f85c0c359a0, 24 [pid 4202] rt_sigprocmask(SIG_SETMASK, [] [pid 4201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4202] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4198] <... mkdirat resumed>) = 0 [pid 4202] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4201] <... openat resumed>) = 3 [pid 4198] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4202] <... prctl resumed>) = 0 [pid 4201] write(3, "1000", 4 [pid 4198] <... futex resumed>) = 1 [pid 4196] <... futex resumed>) = 0 [pid 4202] setpgid(0, 0 [pid 4201] <... write resumed>) = 4 [pid 4198] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4196] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4202] <... setpgid resumed>) = 0 [pid 4201] close(3 [pid 4198] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4196] <... futex resumed>) = 0 [pid 4202] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4201] <... close resumed>) = 0 [pid 4198] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4196] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4202] <... openat resumed>) = 3 [pid 4201] write(1, "executing program\n", 18 [pid 4198] <... symlinkat resumed>) = 0 [pid 4203] <... set_robust_list resumed>) = 0 [pid 4201] <... write resumed>) = 18 [pid 4198] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 4202] write(3, "1000", 4 [pid 4201] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4203] rt_sigprocmask(SIG_SETMASK, [] [pid 4198] <... futex resumed>) = 1 [pid 4196] <... futex resumed>) = 0 [pid 4203] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4202] <... write resumed>) = 4 [pid 4201] <... futex resumed>) = 0 [pid 4198] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4196] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4202] close(3 [pid 4201] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4198] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4203] mkdirat(AT_FDCWD, "./config", 0777 [pid 4196] <... futex resumed>) = 0 [pid 4202] <... close resumed>) = 0 [pid 4201] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4198] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4196] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4203] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4202] write(1, "executing program\n", 18 [pid 4201] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4198] <... unlinkat resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4204 attached executing program [pid 4203] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4202] <... write resumed>) = 18 [pid 4201] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4198] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4204] set_robust_list(0x7f85c0c359a0, 24 [pid 4203] <... futex resumed>) = 1 [pid 4202] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4199] <... futex resumed>) = 0 [pid 4204] <... set_robust_list resumed>) = 0 [pid 4202] <... futex resumed>) = 0 [pid 4201] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4198] <... futex resumed>) = 1 [pid 4196] <... futex resumed>) = 0 [pid 4199] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4204] rt_sigprocmask(SIG_SETMASK, [] [pid 4203] mount(NULL, "./config", "configfs", 0, NULL [pid 4202] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4201] <... mmap resumed>) = 0x7f85c0c15000 [pid 4199] <... futex resumed>) = 0 [pid 4198] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4196] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4204] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4203] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4202] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4201] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4199] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4198] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4196] <... futex resumed>) = 0 [pid 4204] mkdirat(AT_FDCWD, "./config", 0777 [pid 4203] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4202] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4201] <... mprotect resumed>) = 0 [pid 4199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4198] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4196] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4204] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4203] <... futex resumed>) = 0 [pid 4202] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4201] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4199] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4204] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4203] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4202] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4201] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4199] <... futex resumed>) = 0 [pid 4198] <... unlinkat resumed>) = 0 [pid 4204] <... futex resumed>) = 1 [pid 4203] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4202] <... mmap resumed>) = 0x7f85c0c15000 [pid 4201] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4200] <... futex resumed>) = 0 [pid 4199] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4198] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4204] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4203] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4202] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4200] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4198] <... futex resumed>) = 1 [pid 4196] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4205 attached [pid 4204] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4203] <... futex resumed>) = 0 [pid 4202] <... mprotect resumed>) = 0 [pid 4200] <... futex resumed>) = 0 [pid 4199] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4198] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4196] exit_group(0 [pid 4204] mount(NULL, "./config", "configfs", 0, NULL [pid 4203] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4202] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4201] <... clone3 resumed> => {parent_tid=[4205]}, 88) = 4205 [pid 4200] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4199] <... futex resumed>) = 0 [pid 4198] <... futex resumed>) = ? [pid 4196] <... exit_group resumed>) = ? [pid 4205] set_robust_list(0x7f85c0c359a0, 24 [pid 4204] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4203] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4202] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4201] rt_sigprocmask(SIG_SETMASK, [] [pid 4199] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4198] +++ exited with 0 +++ [pid 4196] +++ exited with 0 +++ [pid 4204] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4203] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4202] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4201] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4204] <... futex resumed>) = 1 [pid 4203] <... futex resumed>) = 0 [pid 4201] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4200] <... futex resumed>) = 0 [pid 4199] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4196, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4204] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4203] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4202] <... clone3 resumed> => {parent_tid=[4206]}, 88) = 4206 [pid 4201] <... futex resumed>) = 0 [pid 4200] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4199] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4204] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4203] <... mkdirat resumed>) = 0 [pid 4202] rt_sigprocmask(SIG_SETMASK, [] [pid 4201] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4200] <... futex resumed>) = 0 [pid 4199] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... restart_syscall resumed>) = 0 [pid 4204] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4203] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4202] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4200] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4205] <... set_robust_list resumed>) = 0 [pid 4204] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4203] <... futex resumed>) = 0 [pid 4202] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4199] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4204] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4203] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4202] <... futex resumed>) = 0 [pid 4199] <... futex resumed>) = 0 [pid 4204] <... futex resumed>) = 1 [pid 4202] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4203] <... symlinkat resumed>) = 0 [pid 4200] <... futex resumed>) = 0 [pid 4199] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4204] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4203] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4200] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4204] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4203] <... futex resumed>) = 0 [pid 4200] <... futex resumed>) = 0 [pid 4199] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4204] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4203] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4200] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4199] <... futex resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4204] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4203] <... unlinkat resumed>) = 0 [pid 4199] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4204] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4200] <... futex resumed>) = 0 [pid 4204] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4200] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4204] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4200] <... futex resumed>) = 0 [pid 4204] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4203] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4200] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4204] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4203] <... futex resumed>) = 1 [pid 4199] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4207 [pid 4204] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4203] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4199] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4204] <... futex resumed>) = 1 [pid 4203] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4200] <... futex resumed>) = 0 [pid 4199] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4204] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4203] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4200] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4199] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4207 attached [pid 4205] rt_sigprocmask(SIG_SETMASK, [] [pid 4204] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4200] <... futex resumed>) = 0 [pid 4205] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4204] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4203] <... unlinkat resumed>) = 0 [pid 4200] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4207] set_robust_list(0x5555810c5760, 24 [pid 4205] mkdirat(AT_FDCWD, "./config", 0777 [pid 4204] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4203] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4204] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4205] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4204] <... futex resumed>) = 1 [pid 4203] <... futex resumed>) = 1 [pid 4200] <... futex resumed>) = 0 [pid 4199] <... futex resumed>) = 0 [pid 4205] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4204] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4203] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4200] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4206 attached [pid 4205] <... futex resumed>) = 1 [pid 4204] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4201] <... futex resumed>) = 0 [pid 4200] <... futex resumed>) = 0 [pid 4199] exit_group(0 [pid 4205] mount(NULL, "./config", "configfs", 0, NULL [pid 4204] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4203] <... futex resumed>) = ? [pid 4201] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4200] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4199] <... exit_group resumed>) = ? [pid 4206] set_robust_list(0x7f85c0c359a0, 24 [pid 4204] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4203] +++ exited with 0 +++ [pid 4201] <... futex resumed>) = 0 [pid 4206] <... set_robust_list resumed>) = 0 [pid 4204] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4206] rt_sigprocmask(SIG_SETMASK, [] [pid 4204] <... futex resumed>) = 1 [pid 4200] <... futex resumed>) = 0 [pid 4206] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4204] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4200] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4206] mkdirat(AT_FDCWD, "./config", 0777 [pid 4204] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4200] <... futex resumed>) = 0 [pid 4199] +++ exited with 0 +++ [pid 4206] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4205] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4204] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4201] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4200] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4206] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4205] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4204] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4199, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4207] <... set_robust_list resumed>) = 0 [pid 4206] <... futex resumed>) = 1 [pid 4204] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4202] <... futex resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4206] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4205] <... futex resumed>) = 1 [pid 4204] <... futex resumed>) = 1 [pid 4202] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4201] <... futex resumed>) = 0 [pid 4200] <... futex resumed>) = 0 [pid 4207] rt_sigprocmask(SIG_SETMASK, [] [pid 4206] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4205] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4204] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4202] <... futex resumed>) = 0 [pid 4201] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4200] exit_group(0 [pid 4206] mount(NULL, "./config", "configfs", 0, NULL [pid 4205] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4204] <... futex resumed>) = ? [pid 4202] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4201] <... futex resumed>) = 0 [pid 4200] <... exit_group resumed>) = ? [pid 4207] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4206] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4205] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4204] +++ exited with 0 +++ [pid 4201] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4200] +++ exited with 0 +++ [pid 4205] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4200, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4205] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4207] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4205] <... futex resumed>) = 1 [pid 4201] <... futex resumed>) = 0 [pid 4207] <... prctl resumed>) = 0 [pid 4205] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4201] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4207] setpgid(0, 0 [pid 4205] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4201] <... futex resumed>) = 0 [pid 4206] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4205] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4201] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4207] <... setpgid resumed>) = 0 [pid 4206] <... futex resumed>) = 1 [pid 4205] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4202] <... futex resumed>) = 0 [pid 4206] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4205] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4202] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4207] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4206] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4205] <... futex resumed>) = 1 [pid 4202] <... futex resumed>) = 0 [pid 4201] <... futex resumed>) = 0 [pid 4206] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4205] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4202] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4201] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4207] <... openat resumed>) = 3 [pid 4206] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4205] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4201] <... futex resumed>) = 0 [pid 4207] write(3, "1000", 4 [pid 4206] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4205] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4201] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4207] <... write resumed>) = 4 [pid 4206] <... futex resumed>) = 1 [pid 4202] <... futex resumed>) = 0 [pid 4206] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4202] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4207] close(3 [pid 4206] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4205] <... mkdirat resumed>) = 0 [pid 4202] <... futex resumed>) = 0 [pid 4207] <... close resumed>) = 0 [pid 4206] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4205] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4202] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4207] write(1, "executing program\n", 18 [pid 4206] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4205] <... futex resumed>) = 1 [pid 4201] <... futex resumed>) = 0 [pid 4206] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4205] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4201] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4207] <... write resumed>) = 18 executing program [pid 4206] <... futex resumed>) = 1 [pid 4205] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4202] <... futex resumed>) = 0 [pid 4201] <... futex resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4207] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4206] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4205] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4202] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4201] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4207] <... futex resumed>) = 0 [pid 4206] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4205] <... symlinkat resumed>) = 0 [pid 4202] <... futex resumed>) = 0 [pid 4207] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4206] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4205] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4202] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4207] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4206] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4205] <... futex resumed>) = 1 [pid 4201] <... futex resumed>) = 0 [pid 4207] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4206] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4205] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4201] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4207] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4206] <... futex resumed>) = 1 [pid 4205] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4202] <... futex resumed>) = 0 [pid 4201] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4207] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4206] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4205] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4202] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4201] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4207] <... mmap resumed>) = 0x7f85c0c15000 [pid 4206] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4205] <... unlinkat resumed>) = 0 [pid 4202] <... futex resumed>) = 0 [pid 4206] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4202] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4207] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4206] <... symlinkat resumed>) = 0 [pid 4205] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4207] <... mprotect resumed>) = 0 [pid 4206] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4205] <... futex resumed>) = 1 [pid 4207] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4206] <... futex resumed>) = 1 [pid 4205] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4202] <... futex resumed>) = 0 [pid 4201] <... futex resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4208 [pid 4207] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4206] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4202] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4201] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4207] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4206] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4202] <... futex resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 4208 attached [pid 4206] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4205] <... futex resumed>) = 0 [pid 4202] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4201] <... futex resumed>) = 1 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4207] <... clone3 resumed> => {parent_tid=[4209]}, 88) = 4209 [pid 4206] <... unlinkat resumed>) = 0 [pid 4206] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4201] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4207] rt_sigprocmask(SIG_SETMASK, [] [pid 4206] <... futex resumed>) = 1 [pid 4205] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4202] <... futex resumed>) = 0 [pid 4207] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4206] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4202] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4207] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4206] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4205] <... unlinkat resumed>) = 0 [pid 4202] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4207] <... futex resumed>) = 0 [pid 4206] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4205] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4202] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4207] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4206] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4205] <... futex resumed>) = 1 [pid 4201] <... futex resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4206] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4205] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4201] exit_group(0 [pid 4206] <... futex resumed>) = 1 [pid 4202] <... futex resumed>) = 0 [pid 4206] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4202] exit_group(0 [pid 4206] <... futex resumed>) = ? [pid 4202] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 4210 attached [pid 4206] +++ exited with 0 +++ [pid 4205] <... futex resumed>) = ? [pid 4202] +++ exited with 0 +++ [pid 4201] <... exit_group resumed>) = ? [pid 4205] +++ exited with 0 +++ [pid 4208] set_robust_list(0x5555810c5760, 24) = 0 [pid 4208] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4208] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4208] setpgid(0, 0 [pid 4201] +++ exited with 0 +++ [pid 4208] <... setpgid resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4210 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4202, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4201, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4208] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4210] set_robust_list(0x5555810c5760, 24) = 0 [pid 4208] <... openat resumed>) = 3 [pid 4208] write(3, "1000", 4) = 4 [pid 4210] rt_sigprocmask(SIG_SETMASK, [] [pid 4208] close(3) = 0 [pid 4208] write(1, "executing program\n", 18) = 18 [pid 4208] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... restart_syscall resumed>) = 0 executing program [pid 4208] <... futex resumed>) = 0 [pid 4208] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4208] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4208] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4208] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4208] <... mmap resumed>) = 0x7f85c0c15000 [pid 4208] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4208] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4208] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4211 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4208] <... clone3 resumed> => {parent_tid=[4212]}, 88) = 4212 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4208] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4208] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4208] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4210] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4209 attached [pid 4209] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4209] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 4209] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4209] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4209] <... futex resumed>) = 1 [pid 4207] <... futex resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4207] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4209] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 4209] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4209] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 4212 attached [pid 4212] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4212] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4207] <... futex resumed>) = 1 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4213 [pid 4210] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4207] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4210] <... prctl resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4207] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4210] setpgid(0, 0 [pid 4207] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4210] <... setpgid resumed>) = 0 [pid 4207] <... futex resumed>) = 0 [pid 4207] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4209] <... futex resumed>) = 0 [pid 4210] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4209] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4210] <... openat resumed>) = 3 [pid 4209] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4207] <... futex resumed>) = 0 [pid 4210] write(3, "1000", 4 [pid 4207] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4209] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4210] <... write resumed>) = 4 [pid 4207] <... futex resumed>) = 0 [pid 4210] close(3 [pid 4209] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4207] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4209] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4210] <... close resumed>) = 0 [pid 4209] <... futex resumed>) = 1 [pid 4207] <... futex resumed>) = 0 [pid 4210] write(1, "executing program\n", 18 [pid 4207] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4209] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 executing program [pid 4210] <... write resumed>) = 18 [pid 4207] <... futex resumed>) = 0 [pid 4210] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4209] <... mkdirat resumed>) = 0 [pid 4207] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4210] <... futex resumed>) = 0 [pid 4209] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4210] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4207] <... futex resumed>) = 0 [pid 4209] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4210] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4207] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4210] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4209] <... symlinkat resumed>) = 0 [pid 4207] <... futex resumed>) = 0 [pid 4210] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4209] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4207] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4209] <... futex resumed>) = 0 [pid 4210] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4207] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4209] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4207] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4210] <... mmap resumed>) = 0x7f85c0c15000 [pid 4207] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4213 attached [pid 4207] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4210] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4209] <... unlinkat resumed>) = 0 [pid 4213] set_robust_list(0x5555810c5760, 24 [pid 4209] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4213] <... set_robust_list resumed>) = 0 [pid 4210] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4209] <... futex resumed>) = 1 [pid 4210] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4207] <... futex resumed>) = 0 [pid 4213] rt_sigprocmask(SIG_SETMASK, [] [pid 4207] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4210] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4213] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4207] <... futex resumed>) = 0 [pid 4212] mkdirat(AT_FDCWD, "./config", 0777 [pid 4209] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4207] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4213] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4212] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4209] <... unlinkat resumed>) = 0 [pid 4212] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4209] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4212] <... futex resumed>) = 1 [pid 4209] <... futex resumed>) = 1 [pid 4208] <... futex resumed>) = 0 [pid 4210] <... clone3 resumed> => {parent_tid=[4214]}, 88) = 4214 [pid 4207] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4211 attached [pid 4213] <... prctl resumed>) = 0 [pid 4212] mount(NULL, "./config", "configfs", 0, NULL [pid 4210] rt_sigprocmask(SIG_SETMASK, [] [pid 4209] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4208] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4207] exit_group(0 [pid 4213] setpgid(0, 0 [pid 4212] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4211] set_robust_list(0x5555810c5760, 24 [pid 4210] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4209] <... futex resumed>) = ? [pid 4208] <... futex resumed>) = 0 [pid 4207] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 4214 attached [pid 4213] <... setpgid resumed>) = 0 [pid 4212] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4211] <... set_robust_list resumed>) = 0 [pid 4210] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4209] +++ exited with 0 +++ [pid 4208] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4207] +++ exited with 0 +++ [pid 4213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4212] <... futex resumed>) = 0 [pid 4211] rt_sigprocmask(SIG_SETMASK, [] [pid 4210] <... futex resumed>) = 0 [pid 4208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4207, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4212] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4210] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4208] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4213] <... openat resumed>) = 3 [pid 4212] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4211] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4208] <... futex resumed>) = 0 [pid 4214] set_robust_list(0x7f85c0c359a0, 24 [pid 4213] write(3, "1000", 4 [pid 4212] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4208] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4212] <... futex resumed>) = 0 [pid 4211] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4212] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4208] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4212] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4208] <... futex resumed>) = 0 [pid 4212] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4208] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4212] <... futex resumed>) = 0 [pid 4208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4212] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4208] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4214] <... set_robust_list resumed>) = 0 [pid 4213] <... write resumed>) = 4 [pid 4212] <... mkdirat resumed>) = 0 [pid 4211] <... prctl resumed>) = 0 [pid 4208] <... futex resumed>) = 0 [pid 4214] rt_sigprocmask(SIG_SETMASK, [] [pid 4213] close(3 [pid 4212] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4211] setpgid(0, 0 [pid 4208] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4214] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4213] <... close resumed>) = 0 [pid 4212] <... futex resumed>) = 0 [pid 4211] <... setpgid resumed>) = 0 [pid 4208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4214] mkdirat(AT_FDCWD, "./config", 0777 [pid 4213] write(1, "executing program\n", 18 [pid 4212] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL executing program [pid 4208] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4214] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4213] <... write resumed>) = 18 [pid 4212] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4211] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4208] <... futex resumed>) = 0 [pid 4214] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4213] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4212] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4211] <... openat resumed>) = 3 [pid 4208] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4214] <... futex resumed>) = 1 [pid 4213] <... futex resumed>) = 0 [pid 4212] <... symlinkat resumed>) = 0 [pid 4211] write(3, "1000", 4 [pid 4210] <... futex resumed>) = 0 [pid 4214] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4213] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4212] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4211] <... write resumed>) = 4 [pid 4210] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4213] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4212] <... futex resumed>) = 1 [pid 4211] close(3 [pid 4210] <... futex resumed>) = 0 [pid 4208] <... futex resumed>) = 0 [pid 4214] mount(NULL, "./config", "configfs", 0, NULL [pid 4213] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4212] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4211] <... close resumed>) = 0 [pid 4210] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4208] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4214] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4213] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4212] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4211] write(1, "executing program\n", 18 [pid 4208] <... futex resumed>) = 0 [pid 4214] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4213] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 executing program [pid 4212] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4211] <... write resumed>) = 18 [pid 4208] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4214] <... futex resumed>) = 1 [pid 4213] <... mmap resumed>) = 0x7f85c0c15000 [pid 4212] <... unlinkat resumed>) = 0 [pid 4211] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4210] <... futex resumed>) = 0 [pid 4214] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4213] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4212] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4211] <... futex resumed>) = 0 [pid 4210] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4213] <... mprotect resumed>) = 0 [pid 4212] <... futex resumed>) = 1 [pid 4211] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4210] <... futex resumed>) = 0 [pid 4208] <... futex resumed>) = 0 [pid 4214] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4213] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4212] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4211] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4210] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4208] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4214] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4213] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4212] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4211] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4208] <... futex resumed>) = 0 [pid 4214] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4213] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4212] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4211] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4208] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4214] <... futex resumed>) = 1 [pid 4212] <... unlinkat resumed>) = 0 [pid 4211] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4210] <... futex resumed>) = 0 [pid 4214] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4213] <... clone3 resumed> => {parent_tid=[4215]}, 88) = 4215 [pid 4212] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4211] <... mmap resumed>) = 0x7f85c0c15000 [pid 4210] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4213] rt_sigprocmask(SIG_SETMASK, [] [pid 4212] <... futex resumed>) = 1 [pid 4211] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4210] <... futex resumed>) = 0 [pid 4208] <... futex resumed>) = 0 [pid 4214] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4213] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4212] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4211] <... mprotect resumed>) = 0 [pid 4210] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4208] exit_group(0 [pid 312] <... restart_syscall resumed>) = 0 [pid 4214] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4213] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4212] <... futex resumed>) = ? [pid 4211] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4208] <... exit_group resumed>) = ? [pid 4214] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4213] <... futex resumed>) = 0 [pid 4212] +++ exited with 0 +++ [pid 4211] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4208] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 4215 attached [pid 4214] <... futex resumed>) = 1 [pid 4213] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4211] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4210] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4208, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4214] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4215] set_robust_list(0x7f85c0c359a0, 24 [pid 4210] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4211] <... clone3 resumed> => {parent_tid=[4216]}, 88) = 4216 [pid 4210] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4214] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4211] rt_sigprocmask(SIG_SETMASK, [] [pid 4210] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4211] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4215] <... set_robust_list resumed>) = 0 [pid 4215] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4215] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4215] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4211] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4215] <... futex resumed>) = 1 [pid 4213] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4217 [pid 4211] <... futex resumed>) = 0 [pid 4214] <... mkdirat resumed>) = 0 [pid 4213] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4211] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4213] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4214] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4213] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4214] <... futex resumed>) = 1 [pid 4210] <... futex resumed>) = 0 [pid 4214] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4210] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4210] <... futex resumed>) = 0 [pid 4214] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4210] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4215] mount(NULL, "./config", "configfs", 0, NULL [pid 4214] <... symlinkat resumed>) = 0 [pid 4215] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4214] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4215] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4214] <... futex resumed>) = 1 [pid 4210] <... futex resumed>) = 0 [pid 4215] <... futex resumed>) = 1 [pid 4210] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4214] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4213] <... futex resumed>) = 0 [pid 4210] <... futex resumed>) = 0 [pid 4215] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4214] <... unlinkat resumed>) = 0 [pid 4213] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4214] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4210] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4215] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4214] <... futex resumed>) = 0 [pid 4213] <... futex resumed>) = 0 [pid 4210] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4214] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4213] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4210] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4210] <... futex resumed>) = 0 [pid 4214] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4210] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4214] <... unlinkat resumed>) = 0 [pid 4215] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4214] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4215] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4214] <... futex resumed>) = 1 [pid 4210] <... futex resumed>) = 0 [pid 4214] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4210] exit_group(0 [pid 4215] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4214] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 4210] <... exit_group resumed>) = ? [pid 4215] <... futex resumed>) = 1 [pid 4214] +++ exited with 0 +++ [pid 4215] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 4216 attached [pid 4216] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4216] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4216] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4216] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4210] +++ exited with 0 +++ [pid 4216] <... futex resumed>) = 1 [pid 4213] <... futex resumed>) = 0 [pid 4213] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4211] <... futex resumed>) = 0 [pid 4213] <... futex resumed>) = 1 [pid 4211] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4210, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4213] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4211] <... futex resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4211] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4215] <... futex resumed>) = 0 [pid 4215] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4215] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4213] <... futex resumed>) = 0 [pid 4215] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4213] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4216] mount(NULL, "./config", "configfs", 0, NULL [pid 4215] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4213] <... futex resumed>) = 0 [pid 4216] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4215] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4213] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4216] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4211] <... futex resumed>) = 0 [pid 4216] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4211] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4215] <... mkdirat resumed>) = 0 [pid 4211] <... futex resumed>) = 0 [pid 4216] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4215] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4211] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4216] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4213] <... futex resumed>) = 0 [pid 4215] <... futex resumed>) = 1 [pid 4213] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4215] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4213] <... futex resumed>) = 0 [pid 4216] <... futex resumed>) = 1 [pid 4213] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4211] <... futex resumed>) = 0 [pid 4216] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4211] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4215] <... symlinkat resumed>) = 0 [pid 4211] <... futex resumed>) = 0 [pid 4215] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4211] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4215] <... futex resumed>) = 1 [pid 4213] <... futex resumed>) = 0 [pid 4215] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4213] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4215] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4213] <... futex resumed>) = 0 [pid 4215] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4213] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4217 attached [pid 4216] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4215] <... unlinkat resumed>) = 0 [pid 4217] set_robust_list(0x5555810c5760, 24 [pid 4216] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4215] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4217] <... set_robust_list resumed>) = 0 [pid 4216] <... futex resumed>) = 1 [pid 4215] <... futex resumed>) = 1 [pid 4213] <... futex resumed>) = 0 [pid 4211] <... futex resumed>) = 0 [pid 4215] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4213] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4211] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4215] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4213] <... futex resumed>) = 0 [pid 4211] <... futex resumed>) = 0 [pid 4215] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4213] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4211] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4217] rt_sigprocmask(SIG_SETMASK, [] [pid 4216] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4215] <... unlinkat resumed>) = 0 [pid 4217] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4216] <... mkdirat resumed>) = 0 [pid 4215] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4217] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4216] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4215] <... futex resumed>) = 1 [pid 4213] <... futex resumed>) = 0 [pid 4215] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4213] exit_group(0 [pid 4217] <... prctl resumed>) = 0 [pid 4216] <... futex resumed>) = 1 [pid 4215] <... futex resumed>) = ? [pid 4213] <... exit_group resumed>) = ? [pid 4211] <... futex resumed>) = 0 [pid 4217] setpgid(0, 0 [pid 4216] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4217] <... setpgid resumed>) = 0 [pid 4216] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4211] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4216] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4211] <... futex resumed>) = 0 [pid 4217] <... openat resumed>) = 3 [pid 4216] <... symlinkat resumed>) = 0 [pid 4215] +++ exited with 0 +++ [pid 4213] +++ exited with 0 +++ [pid 4211] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4217] write(3, "1000", 4 [pid 4216] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4213, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4217] <... write resumed>) = 4 [pid 4216] <... futex resumed>) = 1 [pid 4211] <... futex resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4211] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4217] close(3 [pid 4216] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4211] <... futex resumed>) = 0 [pid 4217] <... close resumed>) = 0 [pid 4216] <... unlinkat resumed>) = 0 [pid 4211] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4217] write(1, "executing program\n", 18 [pid 4216] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4211] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4217] <... write resumed>) = 18 [pid 4216] <... futex resumed>) = 0 executing program [pid 4211] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4217] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4216] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4211] <... futex resumed>) = 0 [pid 4217] <... futex resumed>) = 0 [pid 4216] <... unlinkat resumed>) = 0 [pid 4211] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4217] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4216] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4211] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4217] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4216] <... futex resumed>) = 0 [pid 4211] exit_group(0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4217] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4211] <... exit_group resumed>) = ? [pid 4217] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4216] +++ exited with 0 +++ [pid 4217] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4217] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4217] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4217] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[4219]}, 88) = 4219 [pid 4217] rt_sigprocmask(SIG_SETMASK, [] [pid 4211] +++ exited with 0 +++ [pid 4217] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4218 [pid 4217] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4211, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4217] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4219 attached [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4219] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4219] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4219] mkdirat(AT_FDCWD, "./config", 0777 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4220 [pid 4219] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4219] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4217] <... futex resumed>) = 0 [pid 4217] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... restart_syscall resumed>) = 0 [pid 4217] <... futex resumed>) = 0 [pid 4217] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4219] <... futex resumed>) = 1 [pid 4219] mount(NULL, "./config", "configfs", 0, NULL [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4219] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4219] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4217] <... futex resumed>) = 0 [pid 4217] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4217] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4219] <... futex resumed>) = 1 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4221 [pid 4219] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4219] <... mkdirat resumed>) = -1 EEXIST (File exists) ci2-android-5-15/strace-static-x86_64: Process 4218 attached [pid 4219] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4217] <... futex resumed>) = 0 [pid 4217] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4217] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4219] <... futex resumed>) = 1 [pid 4219] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4219] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4217] <... futex resumed>) = 0 [pid 4217] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4217] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4219] <... futex resumed>) = 1 [pid 4219] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777ci2-android-5-15/strace-static-x86_64: Process 4221 attached ci2-android-5-15/strace-static-x86_64: Process 4220 attached ) = 0 [pid 4218] set_robust_list(0x5555810c5760, 24 [pid 304] <... restart_syscall resumed>) = 0 [pid 4219] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4217] <... futex resumed>) = 0 [pid 4217] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4217] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4219] <... futex resumed>) = 1 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4219] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4221] set_robust_list(0x5555810c5760, 24 [pid 4220] set_robust_list(0x5555810c5760, 24 [pid 4219] <... symlinkat resumed>) = 0 [pid 4218] <... set_robust_list resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4219] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4217] <... futex resumed>) = 0 [pid 4217] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4217] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4219] <... futex resumed>) = 1 [pid 4219] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4219] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4218] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4222 [pid 4217] <... futex resumed>) = 0 [pid 4217] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4218] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4217] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4217] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4218] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4219] <... futex resumed>) = 1 [pid 4218] <... prctl resumed>) = 0 [pid 4219] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4221] <... set_robust_list resumed>) = 0 [pid 4220] <... set_robust_list resumed>) = 0 [pid 4218] setpgid(0, 0) = 0 ci2-android-5-15/strace-static-x86_64: Process 4222 attached [pid 4220] rt_sigprocmask(SIG_SETMASK, [] [pid 4218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4222] set_robust_list(0x5555810c5760, 24) = 0 [pid 4222] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4218] <... openat resumed>) = 3 [pid 4221] rt_sigprocmask(SIG_SETMASK, [] [pid 4218] write(3, "1000", 4 [pid 4222] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4219] <... unlinkat resumed>) = 0 [pid 4221] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4220] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4218] <... write resumed>) = 4 [pid 4222] setpgid(0, 0) = 0 [pid 4222] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4221] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4220] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4219] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4218] close(3 [pid 4222] <... openat resumed>) = 3 [pid 4221] <... prctl resumed>) = 0 [pid 4220] <... prctl resumed>) = 0 [pid 4219] <... futex resumed>) = 1 [pid 4218] <... close resumed>) = 0 [pid 4217] <... futex resumed>) = 0 [pid 4217] exit_group(0) = ? [pid 4222] write(3, "1000", 4 [pid 4221] setpgid(0, 0 [pid 4220] setpgid(0, 0 [pid 4218] write(1, "executing program\n", 18 [pid 4222] <... write resumed>) = 4 [pid 4220] <... setpgid resumed>) = 0 [pid 4218] <... write resumed>) = 18 [pid 4219] +++ exited with 0 +++ [pid 4217] +++ exited with 0 +++ [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4217, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4218] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4222] close(3 [pid 4221] <... setpgid resumed>) = 0 [pid 4220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4218] <... futex resumed>) = 0 [pid 4218] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4220] <... openat resumed>) = 3 [pid 4218] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4218] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4220] write(3, "1000", 4 [pid 4222] <... close resumed>) = 0 [pid 4218] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4218] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4220] <... write resumed>) = 4 executing program [pid 4222] write(1, "executing program\n", 18 [pid 4221] <... openat resumed>) = 3 [pid 4220] close(3 [pid 4218] <... mmap resumed>) = 0x7f85c0c15000 [pid 4218] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4221] write(3, "1000", 4 [pid 4220] <... close resumed>) = 0 [pid 4222] <... write resumed>) = 18 [pid 4218] <... mprotect resumed>) = 0 executing program [pid 4220] write(1, "executing program\n", 18 [pid 4218] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4222] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4221] <... write resumed>) = 4 [pid 4218] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4220] <... write resumed>) = 18 [pid 4222] <... futex resumed>) = 0 [pid 4221] close(3 [pid 4218] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4222] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4221] <... close resumed>) = 0 executing program [pid 4220] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4222] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4222] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4221] write(1, "executing program\n", 18 [pid 4220] <... futex resumed>) = 0 [pid 4218] <... clone3 resumed> => {parent_tid=[4223]}, 88) = 4223 [pid 4222] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4221] <... write resumed>) = 18 [pid 4220] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4218] rt_sigprocmask(SIG_SETMASK, [] [pid 4220] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4218] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4222] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 executing program [pid 4221] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4220] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4218] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4223 attached [pid 4220] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4218] <... futex resumed>) = 0 [pid 4221] <... futex resumed>) = 0 [pid 4222] <... mmap resumed>) = 0x7f85c0c15000 [pid 4221] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4220] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4218] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4222] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4221] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4220] <... mmap resumed>) = 0x7f85c0c15000 [pid 4221] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4222] <... mprotect resumed>) = 0 [pid 4221] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4220] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4221] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4222] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4220] <... mprotect resumed>) = 0 [pid 4221] <... mmap resumed>) = 0x7f85c0c15000 [pid 4222] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4222] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4221] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4220] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4221] <... mprotect resumed>) = 0 [pid 4220] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4221] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4220] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4223] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4223] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4223] mkdirat(AT_FDCWD, "./config", 0777 [pid 4221] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4224 attached [pid 4221] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4220] <... clone3 resumed> => {parent_tid=[4224]}, 88) = 4224 [pid 4224] set_robust_list(0x7f85c0c359a0, 24 [pid 4222] <... clone3 resumed> => {parent_tid=[4225]}, 88) = 4225 [pid 4223] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4222] rt_sigprocmask(SIG_SETMASK, [] [pid 4220] rt_sigprocmask(SIG_SETMASK, [] [pid 4224] <... set_robust_list resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4226 attached [pid 4224] rt_sigprocmask(SIG_SETMASK, [] [pid 4223] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4222] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4221] <... clone3 resumed> => {parent_tid=[4226]}, 88) = 4226 [pid 4220] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4226] set_robust_list(0x7f85c0c359a0, 24 [pid 4224] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4223] <... futex resumed>) = 1 [pid 4222] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4221] rt_sigprocmask(SIG_SETMASK, [] [pid 4220] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4218] <... futex resumed>) = 0 [pid 4226] <... set_robust_list resumed>) = 0 [pid 4224] mkdirat(AT_FDCWD, "./config", 0777 [pid 4223] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4222] <... futex resumed>) = 0 [pid 4221] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4220] <... futex resumed>) = 0 [pid 4218] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4226] rt_sigprocmask(SIG_SETMASK, [] [pid 4224] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4223] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4222] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4221] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4220] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4218] <... futex resumed>) = 0 [pid 4226] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4224] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4223] mount(NULL, "./config", "configfs", 0, NULL [pid 4221] <... futex resumed>) = 0 [pid 4220] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4218] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4226] mkdirat(AT_FDCWD, "./config", 0777 [pid 4224] <... futex resumed>) = 0 [pid 4221] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4220] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4226] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4224] mount(NULL, "./config", "configfs", 0, NULL [pid 4223] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4220] <... futex resumed>) = 0 [pid 4226] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4220] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4226] <... futex resumed>) = 1 [pid 4224] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4223] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4221] <... futex resumed>) = 0 [pid 4226] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4224] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4223] <... futex resumed>) = 1 [pid 4221] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4218] <... futex resumed>) = 0 [pid 4226] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4224] <... futex resumed>) = 1 [pid 4223] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4221] <... futex resumed>) = 0 [pid 4220] <... futex resumed>) = 0 [pid 4218] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4226] mount(NULL, "./config", "configfs", 0, NULL [pid 4224] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4223] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4221] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4220] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4218] <... futex resumed>) = 0 [pid 4224] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4223] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4220] <... futex resumed>) = 0 [pid 4218] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4226] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4224] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4223] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4220] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4226] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4224] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4223] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4226] <... futex resumed>) = 1 [pid 4224] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4221] <... futex resumed>) = 0 [pid 4226] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4224] <... futex resumed>) = 1 [pid 4223] <... futex resumed>) = 1 [pid 4221] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4220] <... futex resumed>) = 0 [pid 4218] <... futex resumed>) = 0 [pid 4226] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4224] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4223] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4221] <... futex resumed>) = 0 [pid 4220] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4218] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4226] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4224] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4223] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4221] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4220] <... futex resumed>) = 0 [pid 4218] <... futex resumed>) = 0 [pid 4226] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4224] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4223] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4220] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4218] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4226] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4224] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4223] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4226] <... futex resumed>) = 1 [pid 4224] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4221] <... futex resumed>) = 0 [pid 4223] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4226] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4224] <... futex resumed>) = 1 [pid 4221] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4220] <... futex resumed>) = 0 [pid 4226] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4224] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4223] <... futex resumed>) = 1 [pid 4221] <... futex resumed>) = 0 [pid 4220] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4218] <... futex resumed>) = 0 [pid 4226] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4224] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4223] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4221] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4220] <... futex resumed>) = 0 [pid 4218] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4226] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4224] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4223] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4220] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4218] <... futex resumed>) = 0 [pid 4226] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4218] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4226] <... futex resumed>) = 1 [pid 4224] <... mkdirat resumed>) = 0 [pid 4223] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4221] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4225 attached [pid 4224] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4221] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4225] set_robust_list(0x7f85c0c359a0, 24 [pid 4224] <... futex resumed>) = 1 [pid 4221] <... futex resumed>) = 0 [pid 4220] <... futex resumed>) = 0 [pid 4224] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4221] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4220] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4224] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4220] <... futex resumed>) = 0 [pid 4225] <... set_robust_list resumed>) = 0 [pid 4224] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4220] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4225] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4224] <... symlinkat resumed>) = 0 [pid 4225] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4225] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4222] <... futex resumed>) = 0 [pid 4226] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4224] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4223] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4222] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4225] <... futex resumed>) = 1 [pid 4222] <... futex resumed>) = 0 [pid 4224] <... futex resumed>) = 1 [pid 4220] <... futex resumed>) = 0 [pid 4224] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4222] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4220] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4226] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4224] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4223] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4220] <... futex resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 4224] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4220] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4224] <... unlinkat resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 4227 attached [pid 4226] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4224] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4223] <... futex resumed>) = 1 [pid 4218] <... futex resumed>) = 0 [pid 4226] <... futex resumed>) = 1 [pid 4224] <... futex resumed>) = 1 [pid 4223] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4221] <... futex resumed>) = 0 [pid 4220] <... futex resumed>) = 0 [pid 4218] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4227 [pid 4226] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4224] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4223] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4221] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4220] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4218] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4226] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4225] mount(NULL, "./config", "configfs", 0, NULL [pid 4224] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4223] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4221] <... futex resumed>) = 0 [pid 4220] <... futex resumed>) = 0 [pid 4218] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4226] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4225] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4224] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4223] <... symlinkat resumed>) = 0 [pid 4221] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4220] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4226] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4225] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4224] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 4223] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4226] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4224] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4226] <... futex resumed>) = 1 [pid 4224] <... futex resumed>) = 1 [pid 4223] <... futex resumed>) = 1 [pid 4221] <... futex resumed>) = 0 [pid 4220] <... futex resumed>) = 0 [pid 4218] <... futex resumed>) = 0 [pid 4226] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4224] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4223] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4221] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4220] exit_group(0 [pid 4218] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4226] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4223] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4221] <... futex resumed>) = 0 [pid 4220] <... exit_group resumed>) = ? [pid 4218] <... futex resumed>) = 0 [pid 4224] <... futex resumed>) = ? [pid 4223] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4221] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4218] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4225] <... futex resumed>) = 1 [pid 4222] <... futex resumed>) = 0 [pid 4225] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4222] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4225] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4222] <... futex resumed>) = 0 [pid 4225] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4222] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4225] <... futex resumed>) = 0 [pid 4222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4225] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4224] +++ exited with 0 +++ [pid 4222] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4220] +++ exited with 0 +++ [pid 4226] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4225] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4223] <... unlinkat resumed>) = 0 [pid 4222] <... futex resumed>) = 0 [pid 4225] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4222] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4226] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4225] <... futex resumed>) = 0 [pid 4223] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4220, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4226] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4225] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4223] <... futex resumed>) = 1 [pid 4222] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4218] <... futex resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4226] <... futex resumed>) = 1 [pid 4225] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4223] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4222] <... futex resumed>) = 0 [pid 4221] <... futex resumed>) = 0 [pid 4218] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4226] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4225] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4223] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4222] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4221] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4218] <... futex resumed>) = 0 [pid 4226] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4225] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4223] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4221] <... futex resumed>) = 0 [pid 4218] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4226] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4225] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4221] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4226] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4225] <... futex resumed>) = 1 [pid 4223] <... unlinkat resumed>) = 0 [pid 4222] <... futex resumed>) = 0 [pid 4226] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4225] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4223] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4222] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4226] <... futex resumed>) = 1 [pid 4225] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4223] <... futex resumed>) = 1 [pid 4222] <... futex resumed>) = 0 [pid 4221] <... futex resumed>) = 0 [pid 4218] <... futex resumed>) = 0 [pid 4227] set_robust_list(0x5555810c5760, 24 [pid 4226] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4225] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4223] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4222] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4221] exit_group(0 [pid 4218] exit_group(0 [pid 4227] <... set_robust_list resumed>) = 0 [pid 4225] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4221] <... exit_group resumed>) = ? [pid 4218] <... exit_group resumed>) = ? [pid 4226] <... futex resumed>) = ? [pid 4223] <... futex resumed>) = ? [pid 4225] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4222] <... futex resumed>) = 0 [pid 4225] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4222] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4225] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4222] <... futex resumed>) = 0 [pid 4225] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4222] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4225] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4225] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4222] <... futex resumed>) = 0 [pid 4225] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4222] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4225] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4222] <... futex resumed>) = 0 [pid 4225] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4222] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4225] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4225] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4222] <... futex resumed>) = 0 [pid 4225] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4222] exit_group(0 [pid 4225] <... futex resumed>) = ? [pid 4222] <... exit_group resumed>) = ? [pid 4227] rt_sigprocmask(SIG_SETMASK, [] [pid 4226] +++ exited with 0 +++ [pid 4225] +++ exited with 0 +++ [pid 4223] +++ exited with 0 +++ [pid 4222] +++ exited with 0 +++ [pid 4221] +++ exited with 0 +++ [pid 4218] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4221, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4227] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4218, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4222, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4227] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4227] setpgid(0, 0) = 0 [pid 4227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4227] write(3, "1000", 4) = 4 [pid 4227] close(3) = 0 [pid 4227] write(1, "executing program\n", 18) = 18 executing program [pid 4227] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4227] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4227] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4227] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4227] <... mmap resumed>) = 0x7f85c0c15000 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4227] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4227] <... mprotect resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4228 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4227] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4228 attached [pid 4228] set_robust_list(0x5555810c5760, 24) = 0 [pid 4228] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... restart_syscall resumed>) = 0 [pid 4227] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4229 [pid 4227] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4228] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4228] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4228] <... prctl resumed>) = 0 [pid 4227] <... clone3 resumed> => {parent_tid=[4230]}, 88) = 4230 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4227] rt_sigprocmask(SIG_SETMASK, [] [pid 4228] setpgid(0, 0) = 0 [pid 4228] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4227] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4227] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4231 [pid 4227] <... futex resumed>) = 0 [pid 4228] write(3, "1000", 4 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4227] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4228] <... write resumed>) = 4 [pid 4228] close(3) = 0 ci2-android-5-15/strace-static-x86_64: Process 4231 attached ci2-android-5-15/strace-static-x86_64: Process 4229 attached [pid 4228] write(1, "executing program\n", 18) = 18 executing program [pid 4228] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4228] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4228] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4231] set_robust_list(0x5555810c5760, 24 [pid 4229] set_robust_list(0x5555810c5760, 24ci2-android-5-15/strace-static-x86_64: Process 4230 attached [pid 4230] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4230] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4230] mkdirat(AT_FDCWD, "./config", 0777 [pid 4231] <... set_robust_list resumed>) = 0 [pid 4229] <... set_robust_list resumed>) = 0 [pid 4228] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4231] rt_sigprocmask(SIG_SETMASK, [] [pid 4230] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4229] rt_sigprocmask(SIG_SETMASK, [] [pid 4228] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 4231] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4230] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4229] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4228] <... mmap resumed>) = 0x7f85c0c15000 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 4232 attached [pid 4231] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4230] <... futex resumed>) = 1 [pid 4229] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4228] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4227] <... futex resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4232 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4229] <... prctl resumed>) = 0 [pid 4227] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4231] <... prctl resumed>) = 0 [pid 4230] mount(NULL, "./config", "configfs", 0, NULL [pid 4229] setpgid(0, 0 [pid 4228] <... mprotect resumed>) = 0 [pid 4227] <... futex resumed>) = 0 [pid 4232] set_robust_list(0x5555810c5760, 24 [pid 4229] <... setpgid resumed>) = 0 [pid 4230] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4227] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4231] setpgid(0, 0 [pid 4228] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4228] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4231] <... setpgid resumed>) = 0 [pid 4230] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4229] <... openat resumed>) = 3 [pid 4228] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4230] <... futex resumed>) = 1 [pid 4231] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4227] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4233 attached [pid 4230] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4229] write(3, "1000", 4 [pid 4227] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4231] <... openat resumed>) = 3 [pid 4229] <... write resumed>) = 4 [pid 4227] <... futex resumed>) = 0 [pid 4231] write(3, "1000", 4 [pid 4230] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4229] close(3 [pid 4228] <... clone3 resumed> => {parent_tid=[4233]}, 88) = 4233 [pid 4227] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4233] set_robust_list(0x7f85c0c359a0, 24 [pid 4230] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4229] <... close resumed>) = 0 [pid 4228] rt_sigprocmask(SIG_SETMASK, [] [pid 4231] <... write resumed>) = 4 [pid 4233] <... set_robust_list resumed>) = 0 [pid 4233] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4233] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4230] <... futex resumed>) = 1 [pid 4229] write(1, "executing program\n", 18 [pid 4227] <... futex resumed>) = 0 executing program [pid 4232] <... set_robust_list resumed>) = 0 [pid 4231] close(3 [pid 4228] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4227] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4230] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4229] <... write resumed>) = 18 [pid 4227] <... futex resumed>) = 0 [pid 4231] <... close resumed>) = 0 [pid 4228] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4227] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4230] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4229] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4228] <... futex resumed>) = 1 [pid 4231] write(1, "executing program\n", 18 [pid 4233] <... futex resumed>) = 0 [pid 4233] mkdirat(AT_FDCWD, "./config", 0777 [pid 4231] <... write resumed>) = 18 executing program [pid 4230] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4229] <... futex resumed>) = 0 [pid 4228] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4230] <... futex resumed>) = 1 [pid 4229] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4227] <... futex resumed>) = 0 [pid 4231] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4230] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4229] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4227] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4231] <... futex resumed>) = 0 [pid 4229] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4231] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4230] <... mkdirat resumed>) = 0 [pid 4229] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4227] <... futex resumed>) = 0 [pid 4231] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4230] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4229] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4227] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4231] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4230] <... futex resumed>) = 0 [pid 4229] <... mmap resumed>) = 0x7f85c0c15000 [pid 4227] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4231] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4230] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4229] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4227] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4231] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4230] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4229] <... mprotect resumed>) = 0 [pid 4227] <... futex resumed>) = 0 [pid 4231] <... mmap resumed>) = 0x7f85c0c15000 [pid 4230] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4231] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4229] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4227] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4231] <... mprotect resumed>) = 0 [pid 4230] <... symlinkat resumed>) = 0 [pid 4229] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4231] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4230] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4229] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4231] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4230] <... futex resumed>) = 1 [pid 4227] <... futex resumed>) = 0 [pid 4230] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4227] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4231] <... clone3 resumed> => {parent_tid=[4234]}, 88) = 4234 [pid 4230] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4229] <... clone3 resumed> => {parent_tid=[4235]}, 88) = 4235 [pid 4227] <... futex resumed>) = 0 [pid 4231] rt_sigprocmask(SIG_SETMASK, [] [pid 4230] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4229] rt_sigprocmask(SIG_SETMASK, [] [pid 4227] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4233] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4232] rt_sigprocmask(SIG_SETMASK, [] [pid 4231] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4230] <... unlinkat resumed>) = 0 [pid 4229] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4233] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4231] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4230] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4229] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4233] <... futex resumed>) = 1 [pid 4232] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4231] <... futex resumed>) = 0 [pid 4230] <... futex resumed>) = 1 [pid 4229] <... futex resumed>) = 0 [pid 4228] <... futex resumed>) = 0 [pid 4227] <... futex resumed>) = 0 [pid 4233] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4232] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4231] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4230] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4229] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4228] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4227] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4232] <... prctl resumed>) = 0 [pid 4230] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4228] <... futex resumed>) = 0 [pid 4227] <... futex resumed>) = 0 [pid 4230] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4228] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4227] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4233] mount(NULL, "./config", "configfs", 0, NULL [pid 4232] setpgid(0, 0 [pid 4230] <... unlinkat resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4235 attached [pid 4233] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4232] <... setpgid resumed>) = 0 [pid 4230] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4233] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4232] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4233] <... futex resumed>) = 1 [pid 4232] <... openat resumed>) = 3 [pid 4230] <... futex resumed>) = 1 [pid 4228] <... futex resumed>) = 0 [pid 4227] <... futex resumed>) = 0 [pid 4230] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4228] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4227] exit_group(0 [pid 4228] <... futex resumed>) = 0 [pid 4233] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4232] write(3, "1000", 4 [pid 4227] <... exit_group resumed>) = ? [pid 4228] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4230] <... futex resumed>) = ? [pid 4233] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4232] <... write resumed>) = 4 [pid 4233] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4232] close(3 [pid 4233] <... futex resumed>) = 1 [pid 4232] <... close resumed>) = 0 [pid 4233] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4232] write(1, "executing program\n", 18) = 18 [pid 4232] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4230] +++ exited with 0 +++ [pid 4227] +++ exited with 0 +++ [pid 4232] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4228] <... futex resumed>) = 0 executing program [pid 4232] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4228] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4227, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4233] <... futex resumed>) = 0 [pid 4232] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4228] <... futex resumed>) = 1 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 4234 attached [pid 4235] set_robust_list(0x7f85c0c359a0, 24 [pid 4233] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4232] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4228] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4234] set_robust_list(0x7f85c0c359a0, 24 [pid 4233] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4232] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4234] <... set_robust_list resumed>) = 0 [pid 4235] <... set_robust_list resumed>) = 0 [pid 4233] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4232] <... mmap resumed>) = 0x7f85c0c15000 [pid 4234] rt_sigprocmask(SIG_SETMASK, [] [pid 4233] <... futex resumed>) = 1 [pid 4232] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4228] <... futex resumed>) = 0 [pid 4234] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4233] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4232] <... mprotect resumed>) = 0 [pid 4228] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4234] mkdirat(AT_FDCWD, "./config", 0777 [pid 4233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4232] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4228] <... futex resumed>) = 0 [pid 4234] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4233] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4232] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4228] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4235] rt_sigprocmask(SIG_SETMASK, [] [pid 4234] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4233] <... mkdirat resumed>) = 0 [pid 4232] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0}ci2-android-5-15/strace-static-x86_64: Process 4236 attached [pid 4235] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4234] <... futex resumed>) = 1 [pid 4233] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4231] <... futex resumed>) = 0 [pid 4234] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4233] <... futex resumed>) = 1 [pid 4232] <... clone3 resumed> => {parent_tid=[4236]}, 88) = 4236 [pid 4231] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4233] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4232] rt_sigprocmask(SIG_SETMASK, [] [pid 4231] <... futex resumed>) = 0 [pid 4236] set_robust_list(0x7f85c0c359a0, 24 [pid 4235] mkdirat(AT_FDCWD, "./config", 0777 [pid 4234] mount(NULL, "./config", "configfs", 0, NULL [pid 4232] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4231] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4228] <... futex resumed>) = 0 [pid 4236] <... set_robust_list resumed>) = 0 [pid 4235] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4234] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4232] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4228] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4234] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4232] <... futex resumed>) = 0 [pid 4235] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4234] <... futex resumed>) = 1 [pid 4233] <... futex resumed>) = 0 [pid 4232] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4231] <... futex resumed>) = 0 [pid 4228] <... futex resumed>) = 1 [pid 4235] <... futex resumed>) = 1 [pid 4234] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4233] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4231] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4229] <... futex resumed>) = 0 [pid 4228] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... restart_syscall resumed>) = 0 [pid 4236] rt_sigprocmask(SIG_SETMASK, [] [pid 4235] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4233] <... symlinkat resumed>) = 0 [pid 4231] <... futex resumed>) = 0 [pid 4229] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4236] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4235] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4234] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4233] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4231] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4229] <... futex resumed>) = 0 [pid 4235] mount(NULL, "./config", "configfs", 0, NULL [pid 4234] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4233] <... futex resumed>) = 1 [pid 4229] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4228] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4234] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4233] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4228] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4235] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4234] <... futex resumed>) = 1 [pid 4233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4231] <... futex resumed>) = 0 [pid 4228] <... futex resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 4237 attached [pid 4236] mkdirat(AT_FDCWD, "./config", 0777 [pid 4235] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4234] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4233] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4231] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4228] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4236] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4235] <... futex resumed>) = 1 [pid 4234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4233] <... unlinkat resumed>) = 0 [pid 4231] <... futex resumed>) = 0 [pid 4229] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4237 [pid 4234] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4233] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4229] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4236] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4235] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4234] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4233] <... futex resumed>) = 1 [pid 4231] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4228] <... futex resumed>) = 0 [pid 4229] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4237] set_robust_list(0x5555810c5760, 24 [pid 4234] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4233] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4228] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4235] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4234] <... futex resumed>) = 0 [pid 4233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4231] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4229] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4228] <... futex resumed>) = 0 [pid 4237] <... set_robust_list resumed>) = 0 [pid 4236] <... futex resumed>) = 1 [pid 4235] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4234] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4233] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4232] <... futex resumed>) = 0 [pid 4228] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4232] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4232] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4231] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4229] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4233] <... unlinkat resumed>) = 0 [pid 4234] <... futex resumed>) = 0 [pid 4235] <... futex resumed>) = 0 [pid 4231] <... futex resumed>) = 1 [pid 4229] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4236] mount(NULL, "./config", "configfs", 0, NULL [pid 4235] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4234] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4233] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4231] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4229] <... futex resumed>) = 0 [pid 4236] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4235] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4234] <... mkdirat resumed>) = 0 [pid 4233] <... futex resumed>) = 1 [pid 4229] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4228] <... futex resumed>) = 0 [pid 4236] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4235] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4234] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4233] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4229] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4228] exit_group(0 [pid 4236] <... futex resumed>) = 1 [pid 4235] <... futex resumed>) = 0 [pid 4234] <... futex resumed>) = 1 [pid 4233] <... futex resumed>) = ? [pid 4232] <... futex resumed>) = 0 [pid 4231] <... futex resumed>) = 0 [pid 4229] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4228] <... exit_group resumed>) = ? [pid 4237] rt_sigprocmask(SIG_SETMASK, [] [pid 4236] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4235] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4234] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4233] +++ exited with 0 +++ [pid 4232] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4231] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4229] <... futex resumed>) = 0 [pid 4228] +++ exited with 0 +++ [pid 4236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4235] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4232] <... futex resumed>) = 0 [pid 4231] <... futex resumed>) = 0 [pid 4229] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4236] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4235] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4234] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4232] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4231] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4229] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4228, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4237] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4236] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4235] <... futex resumed>) = 0 [pid 4234] <... symlinkat resumed>) = 0 [pid 4229] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4236] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4235] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4234] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4229] <... futex resumed>) = 0 [pid 4236] <... futex resumed>) = 1 [pid 4235] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4234] <... futex resumed>) = 1 [pid 4232] <... futex resumed>) = 0 [pid 4231] <... futex resumed>) = 0 [pid 4229] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4236] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4235] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4234] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4232] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4231] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4229] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4235] <... futex resumed>) = 0 [pid 4234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4232] <... futex resumed>) = 0 [pid 4231] <... futex resumed>) = 0 [pid 4229] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4236] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4235] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4234] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4232] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4231] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4229] <... futex resumed>) = 0 [pid 4236] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4235] <... unlinkat resumed>) = 0 [pid 4234] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4229] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4236] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4235] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4234] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4236] <... futex resumed>) = 1 [pid 4235] <... futex resumed>) = 0 [pid 4234] <... futex resumed>) = 1 [pid 4232] <... futex resumed>) = 0 [pid 4231] <... futex resumed>) = 0 [pid 4229] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4236] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4235] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4234] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4232] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4231] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4229] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4235] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4232] <... futex resumed>) = 0 [pid 4231] <... futex resumed>) = 0 [pid 4229] <... futex resumed>) = 0 [pid 4236] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4235] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4234] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4232] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4231] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4229] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4236] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4235] <... unlinkat resumed>) = 0 [pid 4234] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4236] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4235] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4234] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4237] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4236] <... futex resumed>) = 1 [pid 4235] <... futex resumed>) = 1 [pid 4234] <... futex resumed>) = 1 [pid 4232] <... futex resumed>) = 0 [pid 4231] <... futex resumed>) = 0 [pid 4229] <... futex resumed>) = 0 [pid 4237] <... prctl resumed>) = 0 [pid 4236] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4235] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4234] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4232] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4231] exit_group(0 [pid 4229] exit_group(0 [pid 4237] setpgid(0, 0 [pid 4236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4234] <... futex resumed>) = ? [pid 4232] <... futex resumed>) = 0 [pid 4231] <... exit_group resumed>) = ? [pid 4235] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 4229] <... exit_group resumed>) = ? [pid 4237] <... setpgid resumed>) = 0 [pid 4236] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4234] +++ exited with 0 +++ [pid 4232] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4231] +++ exited with 0 +++ [pid 306] <... restart_syscall resumed>) = 0 [pid 4235] +++ exited with 0 +++ [pid 4229] +++ exited with 0 +++ [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4229, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4236] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4231, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4236] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4237] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4236] <... futex resumed>) = 1 [pid 4232] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4236] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4232] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4238 attached [pid 4237] <... openat resumed>) = 3 [pid 4236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4232] <... futex resumed>) = 0 [pid 4237] write(3, "1000", 4 [pid 4236] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4232] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4238 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... restart_syscall resumed>) = 0 [pid 4237] <... write resumed>) = 4 [pid 4236] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 311] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4239 attached [pid 4237] close(3 [pid 4236] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4232] <... futex resumed>) = 0 [pid 4232] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4237] <... close resumed>) = 0 [pid 4236] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4232] <... futex resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4239 [pid 4237] write(1, "executing program\n", 18 [pid 4236] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) executing program [pid 4232] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4237] <... write resumed>) = 18 [pid 4236] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4232] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4237] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4236] <... futex resumed>) = 0 [pid 4232] exit_group(0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4237] <... futex resumed>) = 0 [pid 4232] <... exit_group resumed>) = ? [pid 4239] set_robust_list(0x5555810c5760, 24) = 0 [pid 4239] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4239] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4239] setpgid(0, 0) = 0 [pid 4239] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4236] +++ exited with 0 +++ [pid 4232] +++ exited with 0 +++ [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4240 [pid 4237] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4237] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4232, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4239] <... openat resumed>) = 3 [pid 4237] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4237] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 4237] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4239] write(3, "1000", 4 [pid 4237] <... mmap resumed>) = 0x7f85c0c15000 [pid 4237] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4237] <... mprotect resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4239] <... write resumed>) = 4 [pid 4237] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4237] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4239] close(3) = 0 [pid 4239] write(1, "executing program\n", 18) = 18 executing program [pid 4237] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4241 [pid 4239] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4239] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4237] <... clone3 resumed> => {parent_tid=[4242]}, 88) = 4242 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4237] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4239] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4237] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4239] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4237] <... futex resumed>) = 0 [pid 4239] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4237] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4239] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4239] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4238] set_robust_list(0x5555810c5760, 24 [pid 4239] <... mprotect resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4241 attached [pid 4239] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4238] <... set_robust_list resumed>) = 0 [pid 4239] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4239] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[4243]}, 88) = 4243 [pid 4239] rt_sigprocmask(SIG_SETMASK, [] [pid 4238] rt_sigprocmask(SIG_SETMASK, [] [pid 4239] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4239] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4240 attached ) = 0 [pid 4240] set_robust_list(0x5555810c5760, 24 [pid 4239] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4238] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4243 attached [pid 4241] set_robust_list(0x5555810c5760, 24 [pid 4240] <... set_robust_list resumed>) = 0 [pid 4240] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4240] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4238] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4240] setpgid(0, 0) = 0 [pid 4240] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4243] set_robust_list(0x7f85c0c359a0, 24 [pid 4241] <... set_robust_list resumed>) = 0 [pid 4238] <... prctl resumed>) = 0 [pid 4240] <... openat resumed>) = 3 [pid 4238] setpgid(0, 0 [pid 4240] write(3, "1000", 4) = 4 [pid 4240] close(3) = 0 ci2-android-5-15/strace-static-x86_64: Process 4242 attached executing program [pid 4240] write(1, "executing program\n", 18 [pid 4242] set_robust_list(0x7f85c0c359a0, 24 [pid 4240] <... write resumed>) = 18 [pid 4242] <... set_robust_list resumed>) = 0 [pid 4240] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4242] rt_sigprocmask(SIG_SETMASK, [] [pid 4240] <... futex resumed>) = 0 [pid 4242] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4240] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4242] mkdirat(AT_FDCWD, "./config", 0777 [pid 4240] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4242] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4240] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4242] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4240] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4242] <... futex resumed>) = 1 [pid 4240] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4238] <... setpgid resumed>) = 0 [pid 4237] <... futex resumed>) = 0 [pid 4238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4237] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4242] mount(NULL, "./config", "configfs", 0, NULL [pid 4240] <... mmap resumed>) = 0x7f85c0c15000 [pid 4237] <... futex resumed>) = 0 [pid 4238] <... openat resumed>) = 3 [pid 4237] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4242] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4240] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4238] write(3, "1000", 4 [pid 4242] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4240] <... mprotect resumed>) = 0 [pid 4241] rt_sigprocmask(SIG_SETMASK, [] [pid 4238] <... write resumed>) = 4 [pid 4243] <... set_robust_list resumed>) = 0 [pid 4242] <... futex resumed>) = 1 [pid 4241] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4240] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4238] close(3 [pid 4237] <... futex resumed>) = 0 [pid 4242] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4240] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4238] <... close resumed>) = 0 [pid 4237] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4242] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4241] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4240] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4238] write(1, "executing program\n", 18 [pid 4237] <... futex resumed>) = 0 [pid 4243] rt_sigprocmask(SIG_SETMASK, [] [pid 4242] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4241] <... prctl resumed>) = 0 [pid 4238] <... write resumed>) = 18 executing program [pid 4237] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4242] <... futex resumed>) = 0 [pid 4241] setpgid(0, 0 [pid 4238] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4237] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4241] <... setpgid resumed>) = 0 [pid 4238] <... futex resumed>) = 0 [pid 4237] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4238] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4237] <... futex resumed>) = 0 [pid 4238] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4238] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4237] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4238] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4242] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4238] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4242] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4241] <... openat resumed>) = 3 [pid 4238] <... mmap resumed>) = 0x7f85c0c15000 [pid 4242] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4241] write(3, "1000", 4 [pid 4238] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4240] <... clone3 resumed> => {parent_tid=[4244]}, 88) = 4244 [pid 4242] <... futex resumed>) = 1 [pid 4241] <... write resumed>) = 4 [pid 4238] <... mprotect resumed>) = 0 [pid 4237] <... futex resumed>) = 0 [pid 4240] rt_sigprocmask(SIG_SETMASK, [] [pid 4243] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4242] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4241] close(3 [pid 4238] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4240] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4237] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4242] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4241] <... close resumed>) = 0 [pid 4240] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4238] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4237] <... futex resumed>) = 0 [pid 4242] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4241] write(1, "executing program\n", 18 [pid 4240] <... futex resumed>) = 0 [pid 4238] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4237] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4243] mkdirat(AT_FDCWD, "./config", 0777 [pid 4242] <... mkdirat resumed>) = 0 [pid 4242] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4241] <... write resumed>) = 18 executing program [pid 4240] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4238] <... clone3 resumed> => {parent_tid=[4245]}, 88) = 4245 [pid 4237] <... futex resumed>) = 0 [pid 4242] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4241] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4238] rt_sigprocmask(SIG_SETMASK, [] [pid 4237] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4242] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4241] <... futex resumed>) = 0 [pid 4238] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4237] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4245 attached [pid 4243] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4242] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4241] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4238] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4237] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4245] set_robust_list(0x7f85c0c359a0, 24 [pid 4243] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4242] <... symlinkat resumed>) = 0 [pid 4241] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4238] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4244 attached [pid 4243] <... futex resumed>) = 1 [pid 4242] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4241] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4239] <... futex resumed>) = 0 [pid 4238] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4244] set_robust_list(0x7f85c0c359a0, 24 [pid 4243] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4242] <... futex resumed>) = 1 [pid 4241] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4239] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4237] <... futex resumed>) = 0 [pid 4244] <... set_robust_list resumed>) = 0 [pid 4243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4242] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4241] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4239] <... futex resumed>) = 0 [pid 4237] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4245] <... set_robust_list resumed>) = 0 [pid 4244] rt_sigprocmask(SIG_SETMASK, [] [pid 4243] mount(NULL, "./config", "configfs", 0, NULL [pid 4242] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4241] <... mmap resumed>) = 0x7f85c0c15000 [pid 4239] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4237] <... futex resumed>) = 0 [pid 4244] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4242] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4241] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4237] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4245] rt_sigprocmask(SIG_SETMASK, [] [pid 4244] mkdirat(AT_FDCWD, "./config", 0777 [pid 4243] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4242] <... unlinkat resumed>) = 0 [pid 4241] <... mprotect resumed>) = 0 [pid 4244] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4242] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4244] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4243] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4242] <... futex resumed>) = 1 [pid 4241] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4237] <... futex resumed>) = 0 [pid 4244] <... futex resumed>) = 1 [pid 4243] <... futex resumed>) = 1 [pid 4242] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4241] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4240] <... futex resumed>) = 0 [pid 4239] <... futex resumed>) = 0 [pid 4237] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4245] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4244] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4243] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4242] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4241] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4240] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4239] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4237] <... futex resumed>) = 0 [pid 4244] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4242] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4239] <... futex resumed>) = 0 [pid 4237] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4245] mkdirat(AT_FDCWD, "./config", 0777 [pid 4244] mount(NULL, "./config", "configfs", 0, NULL [pid 4243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4242] <... unlinkat resumed>) = 0 [pid 4240] <... futex resumed>) = 0 [pid 4239] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4245] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4244] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4243] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4242] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4241] <... clone3 resumed> => {parent_tid=[4246]}, 88) = 4246 [pid 4240] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4246 attached [pid 4245] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4244] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4243] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4242] <... futex resumed>) = 1 [pid 4241] rt_sigprocmask(SIG_SETMASK, [] [pid 4240] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4237] <... futex resumed>) = 0 [pid 4245] <... futex resumed>) = 1 [pid 4244] <... futex resumed>) = 0 [pid 4243] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4242] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4241] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4240] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4238] <... futex resumed>) = 0 [pid 4237] exit_group(0 [pid 4245] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4244] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4243] <... futex resumed>) = 1 [pid 4242] <... futex resumed>) = ? [pid 4241] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4240] <... futex resumed>) = 0 [pid 4239] <... futex resumed>) = 0 [pid 4238] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4237] <... exit_group resumed>) = ? [pid 4245] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4244] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4243] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4242] +++ exited with 0 +++ [pid 4241] <... futex resumed>) = 0 [pid 4240] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4239] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4238] <... futex resumed>) = 0 [pid 4237] +++ exited with 0 +++ [pid 4245] mount(NULL, "./config", "configfs", 0, NULL [pid 4244] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4241] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4240] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4239] <... futex resumed>) = 0 [pid 4238] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4245] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4244] <... futex resumed>) = 0 [pid 4243] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4240] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4239] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4237, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4246] set_robust_list(0x7f85c0c359a0, 24 [pid 4245] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4244] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4243] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4240] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4246] <... set_robust_list resumed>) = 0 [pid 4245] <... futex resumed>) = 1 [pid 4244] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4243] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4240] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4238] <... futex resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 4246] rt_sigprocmask(SIG_SETMASK, [] [pid 4245] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4244] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4243] <... futex resumed>) = 1 [pid 4240] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4239] <... futex resumed>) = 0 [pid 4238] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4246] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4245] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4244] <... futex resumed>) = 0 [pid 4243] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4240] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4239] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4238] <... futex resumed>) = 0 [pid 4246] mkdirat(AT_FDCWD, "./config", 0777 [pid 4245] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4244] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4240] <... futex resumed>) = 0 [pid 4239] <... futex resumed>) = 0 [pid 4238] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4246] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4245] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4244] <... mkdirat resumed>) = 0 [pid 4243] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4240] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4239] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4246] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4245] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4244] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4243] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4240] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4246] <... futex resumed>) = 1 [pid 4245] <... futex resumed>) = 1 [pid 4244] <... futex resumed>) = 0 [pid 4243] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4241] <... futex resumed>) = 0 [pid 4240] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4238] <... futex resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4246] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4245] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4244] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4243] <... futex resumed>) = 1 [pid 4241] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4240] <... futex resumed>) = 0 [pid 4239] <... futex resumed>) = 0 [pid 4238] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4246] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4244] <... symlinkat resumed>) = 0 [pid 4243] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4245] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4241] <... futex resumed>) = 0 [pid 4240] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4239] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4238] <... futex resumed>) = 0 [pid 4246] mount(NULL, "./config", "configfs", 0, NULL [pid 4245] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4244] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4243] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4241] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4240] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4239] <... futex resumed>) = 0 [pid 4238] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4247 [pid 4246] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4245] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4244] <... futex resumed>) = 0 [pid 4243] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4240] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4239] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4246] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4245] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4244] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4243] <... futex resumed>) = 0 [pid 4240] <... futex resumed>) = 0 [pid 4239] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4246] <... futex resumed>) = 1 [pid 4245] <... futex resumed>) = 1 [pid 4244] <... unlinkat resumed>) = 0 [pid 4243] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4241] <... futex resumed>) = 0 [pid 4240] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4239] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4238] <... futex resumed>) = 0 [pid 4246] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4245] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4244] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4241] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4240] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4239] <... futex resumed>) = 0 [pid 4238] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4246] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4245] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4244] <... futex resumed>) = 0 [pid 4243] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4241] <... futex resumed>) = 0 [pid 4240] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4239] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4238] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4247 attached [pid 4246] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4245] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4244] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4243] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4241] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4240] <... futex resumed>) = 0 [pid 4238] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4247] set_robust_list(0x5555810c5760, 24 [pid 4246] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4245] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4244] <... unlinkat resumed>) = 0 [pid 4243] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4240] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4247] <... set_robust_list resumed>) = 0 [pid 4246] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4245] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4244] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4243] <... futex resumed>) = 1 [pid 4240] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4239] <... futex resumed>) = 0 [pid 4247] rt_sigprocmask(SIG_SETMASK, [] [pid 4246] <... futex resumed>) = 1 [pid 4245] <... futex resumed>) = 1 [pid 4244] <... futex resumed>) = 0 [pid 4243] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4241] <... futex resumed>) = 0 [pid 4240] exit_group(0 [pid 4239] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4238] <... futex resumed>) = 0 [pid 4247] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4246] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4245] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4241] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4240] <... exit_group resumed>) = ? [pid 4239] <... futex resumed>) = 0 [pid 4238] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4247] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4246] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4245] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4244] +++ exited with 0 +++ [pid 4243] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4241] <... futex resumed>) = 0 [pid 4239] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4247] <... prctl resumed>) = 0 [pid 4246] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4247] setpgid(0, 0 [pid 4246] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4247] <... setpgid resumed>) = 0 [pid 4246] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4246] <... futex resumed>) = 0 [pid 4245] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4243] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4241] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4240] +++ exited with 0 +++ [pid 4238] <... futex resumed>) = 0 [pid 4247] <... openat resumed>) = 3 [pid 4246] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4245] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4243] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4241] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4247] write(3, "1000", 4 [pid 4245] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4243] <... futex resumed>) = 1 [pid 4241] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4239] <... futex resumed>) = 0 [pid 4238] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4240, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4247] <... write resumed>) = 4 [pid 4246] <... futex resumed>) = 0 [pid 4245] <... futex resumed>) = 0 [pid 4243] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4241] <... futex resumed>) = 1 [pid 4239] exit_group(0 [pid 4238] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4247] close(3 [pid 4246] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4245] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4243] <... futex resumed>) = ? [pid 4241] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4239] <... exit_group resumed>) = ? [pid 4238] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4247] <... close resumed>) = 0 [pid 4246] <... mkdirat resumed>) = 0 [pid 4245] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4243] +++ exited with 0 +++ [pid 4239] +++ exited with 0 +++ [pid 4238] <... futex resumed>) = 0 [pid 4247] write(1, "executing program\n", 18 executing program [pid 4246] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4245] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4238] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4247] <... write resumed>) = 18 [pid 4246] <... futex resumed>) = 1 [pid 4245] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4241] <... futex resumed>) = 0 [pid 4247] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4246] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4245] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4241] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4239, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4247] <... futex resumed>) = 0 [pid 4246] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4245] <... futex resumed>) = 1 [pid 4241] <... futex resumed>) = 0 [pid 4238] <... futex resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4247] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4246] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4245] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4241] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4238] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4247] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4246] <... symlinkat resumed>) = 0 [pid 4245] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4238] <... futex resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4247] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4246] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4245] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4238] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4247] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4246] <... futex resumed>) = 1 [pid 4245] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 4241] <... futex resumed>) = 0 [pid 4247] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4246] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4245] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4241] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4247] <... mmap resumed>) = 0x7f85c0c15000 [pid 4246] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4245] <... futex resumed>) = 1 [pid 4241] <... futex resumed>) = 0 [pid 4238] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4247] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4246] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4245] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4241] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4238] exit_group(0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4247] <... mprotect resumed>) = 0 [pid 4246] <... unlinkat resumed>) = 0 [pid 4245] <... futex resumed>) = ? [pid 4238] <... exit_group resumed>) = ? [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... restart_syscall resumed>) = 0 [pid 4247] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4246] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4245] +++ exited with 0 +++ [pid 4247] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4247] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[4248]}, 88) = 4248 [pid 4247] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4247] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4247] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4238] +++ exited with 0 +++ [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4238, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 4248 attached [pid 4248] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4248] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4246] <... futex resumed>) = 1 [pid 4241] <... futex resumed>) = 0 [pid 4246] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4241] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4249 [pid 4248] mkdirat(AT_FDCWD, "./config", 0777 [pid 4246] <... unlinkat resumed>) = 0 [pid 4241] <... futex resumed>) = 0 [pid 4246] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4241] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4246] <... futex resumed>) = 0 [pid 4241] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4246] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4241] exit_group(0 [pid 4248] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4248] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4247] <... futex resumed>) = 0 [pid 4247] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4247] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4246] <... futex resumed>) = ? [pid 4241] <... exit_group resumed>) = ? [pid 4248] <... futex resumed>) = 1 [pid 4246] +++ exited with 0 +++ [pid 4248] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 4248] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4247] <... futex resumed>) = 0 [pid 4247] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4241] +++ exited with 0 +++ [pid 4247] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4250 [pid 4248] <... futex resumed>) = 1 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4241, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4248] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4248] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4248] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4247] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4250 attached [pid 4247] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4247] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4248] <... futex resumed>) = 1 [pid 4250] set_robust_list(0x5555810c5760, 24 [pid 4248] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4250] <... set_robust_list resumed>) = 0 [pid 4248] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4247] <... futex resumed>) = 0 [pid 4247] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4247] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4248] <... futex resumed>) = 1 [pid 4248] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4250] rt_sigprocmask(SIG_SETMASK, [] [pid 4248] <... mkdirat resumed>) = 0 [pid 4248] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4247] <... futex resumed>) = 0 [pid 4247] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4247] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4248] <... futex resumed>) = 1 [pid 4248] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4250] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4248] <... symlinkat resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4249 attached [pid 4248] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4247] <... futex resumed>) = 0 [pid 4247] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4247] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4248] <... futex resumed>) = 1 [pid 4248] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4250] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4248] <... unlinkat resumed>) = 0 [pid 4248] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4247] <... futex resumed>) = 0 [pid 4247] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4250] <... prctl resumed>) = 0 [pid 4249] set_robust_list(0x5555810c5760, 24 [pid 4247] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4248] <... futex resumed>) = 1 [pid 4248] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4250] setpgid(0, 0 [pid 4249] <... set_robust_list resumed>) = 0 [pid 4248] <... unlinkat resumed>) = 0 [pid 4248] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4247] <... futex resumed>) = 0 [pid 4247] exit_group(0) = ? [pid 4250] <... setpgid resumed>) = 0 [pid 4248] <... futex resumed>) = ? [pid 4249] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... restart_syscall resumed>) = 0 [pid 4250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4250] <... openat resumed>) = 3 [pid 4249] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4250] write(3, "1000", 4 [pid 4249] prctl(PR_SET_PDEATHSIG, SIGKILLci2-android-5-15/strace-static-x86_64: Process 4251 attached [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4251 [pid 311] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4250] <... write resumed>) = 4 [pid 4251] set_robust_list(0x5555810c5760, 24 [pid 4250] close(3 [pid 4249] <... prctl resumed>) = 0 [pid 4251] <... set_robust_list resumed>) = 0 [pid 4250] <... close resumed>) = 0 [pid 4249] setpgid(0, 0 executing program [pid 4250] write(1, "executing program\n", 18) = 18 [pid 4249] <... setpgid resumed>) = 0 [pid 4248] +++ exited with 0 +++ [pid 4247] +++ exited with 0 +++ [pid 4250] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4247, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4250] <... futex resumed>) = 0 [pid 4249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4250] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4249] <... openat resumed>) = 3 [pid 4250] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4249] write(3, "1000", 4 [pid 4250] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4249] <... write resumed>) = 4 [pid 4250] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4249] close(3 [pid 4250] <... mprotect resumed>) = 0 [pid 4249] <... close resumed>) = 0 [pid 4250] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4249] write(1, "executing program\n", 18 [pid 4250] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 4249] <... write resumed>) = 18 [pid 4250] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4249] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... restart_syscall resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4252 attached [pid 4250] <... clone3 resumed> => {parent_tid=[4252]}, 88) = 4252 [pid 4249] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4250] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 4249] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4250] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4250] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4249] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4252] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4252] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4252] mkdirat(AT_FDCWD, "./config", 0777 [pid 4250] <... futex resumed>) = 0 [pid 4249] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4250] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4249] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4253 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4249] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4252] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4252] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4252] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 4253 attached [pid 4253] set_robust_list(0x5555810c5760, 24 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4250] <... futex resumed>) = 0 [pid 4249] <... mmap resumed>) = 0x7f85c0c15000 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4254 [pid 4250] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4249] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4250] <... futex resumed>) = 1 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4250] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4249] <... mprotect resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4252] <... futex resumed>) = 0 [pid 4249] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 4254 attached [pid 4253] <... set_robust_list resumed>) = 0 [pid 4252] mount(NULL, "./config", "configfs", 0, NULL [pid 4251] rt_sigprocmask(SIG_SETMASK, [] [pid 4249] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4252] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4249] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4252] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4250] <... futex resumed>) = 0 [pid 4252] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4250] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4249] <... clone3 resumed> => {parent_tid=[4255]}, 88) = 4255 [pid 4250] <... futex resumed>) = 0 [pid 4249] rt_sigprocmask(SIG_SETMASK, [] [pid 4250] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4249] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4252] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4249] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4252] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4249] <... futex resumed>) = 0 [pid 4252] <... futex resumed>) = 1 [pid 4249] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4250] <... futex resumed>) = 0 [pid 4252] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4250] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4255 attached [pid 4254] set_robust_list(0x5555810c5760, 24 [pid 4253] rt_sigprocmask(SIG_SETMASK, [] [pid 4252] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4251] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4250] <... futex resumed>) = 0 [pid 4255] set_robust_list(0x7f85c0c359a0, 24 [pid 4254] <... set_robust_list resumed>) = 0 [pid 4253] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4252] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4251] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4250] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4252] <... futex resumed>) = 0 [pid 4251] <... prctl resumed>) = 0 [pid 4250] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4253] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4252] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4251] setpgid(0, 0 [pid 4250] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4255] <... set_robust_list resumed>) = 0 [pid 4253] <... prctl resumed>) = 0 [pid 4252] <... mkdirat resumed>) = 0 [pid 4251] <... setpgid resumed>) = 0 [pid 4250] <... futex resumed>) = 0 [pid 4255] rt_sigprocmask(SIG_SETMASK, [] [pid 4253] setpgid(0, 0 [pid 4252] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4250] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4255] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4253] <... setpgid resumed>) = 0 [pid 4252] <... futex resumed>) = 0 [pid 4251] <... openat resumed>) = 3 [pid 4250] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4254] rt_sigprocmask(SIG_SETMASK, [] [pid 4253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4252] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4251] write(3, "1000", 4 [pid 4250] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4255] mkdirat(AT_FDCWD, "./config", 0777 [pid 4254] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4253] <... openat resumed>) = 3 [pid 4252] <... symlinkat resumed>) = 0 [pid 4251] <... write resumed>) = 4 [pid 4250] <... futex resumed>) = 0 [pid 4255] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4252] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4251] close(3 [pid 4250] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4255] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4250] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4252] <... futex resumed>) = 0 [pid 4251] <... close resumed>) = 0 [pid 4250] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4255] <... futex resumed>) = 1 [pid 4252] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4251] write(1, "executing program\n", 18 [pid 4250] <... futex resumed>) = 0 [pid 4249] <... futex resumed>) = 0 [pid 4255] mount(NULL, "./config", "configfs", 0, NULL executing program [pid 4254] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4252] <... unlinkat resumed>) = 0 [pid 4251] <... write resumed>) = 18 [pid 4250] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4249] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4255] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4254] <... prctl resumed>) = 0 [pid 4252] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4251] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4249] <... futex resumed>) = 0 [pid 4253] write(3, "1000", 4 [pid 4255] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4254] setpgid(0, 0 [pid 4249] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4255] <... futex resumed>) = 0 [pid 4254] <... setpgid resumed>) = 0 [pid 4253] <... write resumed>) = 4 [pid 4252] <... futex resumed>) = 1 [pid 4251] <... futex resumed>) = 0 [pid 4250] <... futex resumed>) = 0 [pid 4249] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4255] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4253] close(3 [pid 4252] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4251] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4250] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4249] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4255] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4254] <... openat resumed>) = 3 [pid 4253] <... close resumed>) = 0 [pid 4252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4251] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4250] <... futex resumed>) = 0 [pid 4249] <... futex resumed>) = 0 [pid 4255] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4254] write(3, "1000", 4 [pid 4253] write(1, "executing program\n", 18 [pid 4252] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4251] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4250] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4249] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4255] <... futex resumed>) = 0 [pid 4254] <... write resumed>) = 4 [pid 4253] <... write resumed>) = 18 executing program [pid 4252] <... unlinkat resumed>) = 0 [pid 4251] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4249] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4255] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4254] close(3 [pid 4253] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4252] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4251] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4249] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4255] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4254] <... close resumed>) = 0 [pid 4253] <... futex resumed>) = 0 [pid 4252] <... futex resumed>) = 1 [pid 4251] <... mmap resumed>) = 0x7f85c0c15000 [pid 4250] <... futex resumed>) = 0 [pid 4249] <... futex resumed>) = 0 [pid 4255] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4254] write(1, "executing program\n", 18 [pid 4253] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4252] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4251] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4250] exit_group(0 executing program [pid 4249] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4255] <... futex resumed>) = 0 [pid 4254] <... write resumed>) = 18 [pid 4253] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4252] <... futex resumed>) = ? [pid 4251] <... mprotect resumed>) = 0 [pid 4250] <... exit_group resumed>) = ? [pid 4249] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4255] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4254] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4253] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4252] +++ exited with 0 +++ [pid 4249] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4255] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4254] <... futex resumed>) = 0 [pid 4249] <... futex resumed>) = 0 [pid 4255] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4254] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4249] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4255] <... mkdirat resumed>) = 0 [pid 4254] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4253] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4251] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4250] +++ exited with 0 +++ [pid 4255] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4254] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4253] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4251] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4250, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4255] <... futex resumed>) = 1 [pid 4254] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4253] <... mmap resumed>) = 0x7f85c0c15000 [pid 4251] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4249] <... futex resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4255] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4254] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4253] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4249] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4255] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4254] <... mmap resumed>) = 0x7f85c0c15000 [pid 4253] <... mprotect resumed>) = 0 [pid 4251] <... clone3 resumed> => {parent_tid=[4256]}, 88) = 4256 [pid 4249] <... futex resumed>) = 0 [pid 4255] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4254] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4253] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4251] rt_sigprocmask(SIG_SETMASK, [] [pid 4249] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... restart_syscall resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4256 attached [pid 4255] <... symlinkat resumed>) = 0 [pid 4254] <... mprotect resumed>) = 0 [pid 4253] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4251] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4256] set_robust_list(0x7f85c0c359a0, 24 [pid 4255] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4254] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4253] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4251] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4255] <... futex resumed>) = 1 [pid 4254] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4251] <... futex resumed>) = 0 [pid 4249] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4255] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4254] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4253] <... clone3 resumed> => {parent_tid=[4257]}, 88) = 4257 [pid 4251] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4249] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4256] <... set_robust_list resumed>) = 0 [pid 4255] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4253] rt_sigprocmask(SIG_SETMASK, [] [pid 4249] <... futex resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 4258 attached [pid 4256] rt_sigprocmask(SIG_SETMASK, [] [pid 4255] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4254] <... clone3 resumed> => {parent_tid=[4258]}, 88) = 4258 [pid 4253] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4249] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4255] <... unlinkat resumed>) = 0 [pid 4254] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4259 ci2-android-5-15/strace-static-x86_64: Process 4259 attached [pid 4258] set_robust_list(0x7f85c0c359a0, 24 [pid 4256] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4255] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4254] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4253] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4255] <... futex resumed>) = 1 [pid 4254] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4249] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4255] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4254] <... futex resumed>) = 0 [pid 4249] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4259] set_robust_list(0x5555810c5760, 24 [pid 4258] <... set_robust_list resumed>) = 0 [pid 4256] mkdirat(AT_FDCWD, "./config", 0777 [pid 4255] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4254] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4253] <... futex resumed>) = 0 [pid 4249] <... futex resumed>) = 0 [pid 4255] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4249] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4259] <... set_robust_list resumed>) = 0 [pid 4258] rt_sigprocmask(SIG_SETMASK, [] [pid 4256] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4255] <... unlinkat resumed>) = 0 [pid 4253] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4257 attached [pid 4258] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4256] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4255] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4257] set_robust_list(0x7f85c0c359a0, 24 [pid 4255] <... futex resumed>) = 1 [pid 4249] <... futex resumed>) = 0 [pid 4257] <... set_robust_list resumed>) = 0 [pid 4255] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4249] exit_group(0 [pid 4251] <... futex resumed>) = 0 [pid 4259] rt_sigprocmask(SIG_SETMASK, [] [pid 4258] mkdirat(AT_FDCWD, "./config", 0777 [pid 4256] <... futex resumed>) = 1 [pid 4255] <... futex resumed>) = ? [pid 4251] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4249] <... exit_group resumed>) = ? [pid 4259] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4258] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4257] rt_sigprocmask(SIG_SETMASK, [] [pid 4256] mount(NULL, "./config", "configfs", 0, NULL [pid 4255] +++ exited with 0 +++ [pid 4251] <... futex resumed>) = 0 [pid 4249] +++ exited with 0 +++ [pid 4259] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4258] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4257] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4256] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4251] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4249, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4256] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4251] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4259] <... prctl resumed>) = 0 [pid 4256] <... futex resumed>) = 0 [pid 4251] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4256] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4251] <... futex resumed>) = 0 [pid 4259] setpgid(0, 0 [pid 4256] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4251] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4258] <... futex resumed>) = 1 [pid 4256] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4254] <... futex resumed>) = 0 [pid 4251] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4259] <... setpgid resumed>) = 0 [pid 4258] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4256] <... futex resumed>) = 0 [pid 4254] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4251] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4259] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4258] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4256] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4254] <... futex resumed>) = 0 [pid 4251] <... futex resumed>) = 0 [pid 4259] <... openat resumed>) = 3 [pid 4258] mount(NULL, "./config", "configfs", 0, NULL [pid 4256] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4254] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4251] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4259] write(3, "1000", 4 [pid 4258] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4256] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4251] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4256] <... futex resumed>) = 0 [pid 4258] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4251] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4256] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4259] <... write resumed>) = 4 [pid 4258] <... futex resumed>) = 1 [pid 4254] <... futex resumed>) = 0 [pid 4251] <... futex resumed>) = 0 [pid 4259] close(3 [pid 4258] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4256] <... mkdirat resumed>) = 0 [pid 4254] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4251] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4259] <... close resumed>) = 0 [pid 4258] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4256] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4254] <... futex resumed>) = 0 [pid 4251] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4259] write(1, "executing program\n", 18 [pid 4258] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4256] <... futex resumed>) = 0 [pid 4254] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4251] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4259] <... write resumed>) = 18 executing program [pid 4258] <... futex resumed>) = 0 [pid 4256] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4254] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4259] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4258] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4256] <... symlinkat resumed>) = 0 [pid 4254] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4251] <... futex resumed>) = 0 [pid 4259] <... futex resumed>) = 0 [pid 4258] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4257] mkdirat(AT_FDCWD, "./config", 0777 [pid 4254] <... futex resumed>) = 0 [pid 4259] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4258] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4256] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4254] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4251] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4259] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4258] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4256] <... futex resumed>) = 0 [pid 4251] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4259] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4258] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4256] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4251] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4259] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4258] <... futex resumed>) = 1 [pid 4256] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4254] <... futex resumed>) = 0 [pid 4251] <... futex resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4259] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4258] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4257] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4256] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4254] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4251] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4259] <... mmap resumed>) = 0x7f85c0c15000 [pid 4258] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4257] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4256] <... unlinkat resumed>) = 0 [pid 4254] <... futex resumed>) = 0 [pid 4259] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4258] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4257] <... futex resumed>) = 1 [pid 4256] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4254] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4253] <... futex resumed>) = 0 [pid 4259] <... mprotect resumed>) = 0 [pid 4258] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4257] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4256] <... futex resumed>) = 1 [pid 4253] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4251] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4259] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4258] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4257] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4256] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4253] <... futex resumed>) = 0 [pid 4251] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4259] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4258] <... futex resumed>) = 1 [pid 4257] mount(NULL, "./config", "configfs", 0, NULL [pid 4256] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4254] <... futex resumed>) = 0 [pid 4253] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4251] <... futex resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4259] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4258] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4257] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4256] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4254] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4251] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4258] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4254] <... futex resumed>) = 0 [pid 4259] <... clone3 resumed> => {parent_tid=[4260]}, 88) = 4260 [pid 4258] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4254] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4259] rt_sigprocmask(SIG_SETMASK, [] [pid 4258] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4257] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4256] <... unlinkat resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4261 [pid 4259] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4258] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4256] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4253] <... futex resumed>) = 0 [pid 4259] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4258] <... futex resumed>) = 1 [pid 4257] <... futex resumed>) = 1 [pid 4256] <... futex resumed>) = 1 [pid 4254] <... futex resumed>) = 0 [pid 4253] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4251] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 4260 attached [pid 4259] <... futex resumed>) = 0 [pid 4258] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4257] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4256] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4253] <... futex resumed>) = 0 [pid 4251] exit_group(0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4257] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4253] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4257] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4256] <... futex resumed>) = ? [pid 4253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4251] <... exit_group resumed>) = ? [pid 4257] <... futex resumed>) = 0 [pid 4256] +++ exited with 0 +++ [pid 4253] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4259] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4258] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4254] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4258] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4254] <... futex resumed>) = 0 [pid 4258] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4254] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4258] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4254] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4258] <... futex resumed>) = 0 [pid 4254] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4251] +++ exited with 0 +++ [pid 4258] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4257] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4254] <... futex resumed>) = 0 [pid 4253] <... futex resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4251, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4258] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4257] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4254] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4253] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4258] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4257] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4254] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4258] <... futex resumed>) = 0 [pid 4257] <... futex resumed>) = 0 [pid 4254] exit_group(0 [pid 4253] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4257] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4254] <... exit_group resumed>) = ? [pid 4253] <... futex resumed>) = 0 [pid 4258] +++ exited with 0 +++ [pid 4257] <... mkdirat resumed>) = 0 [pid 4254] +++ exited with 0 +++ [pid 4253] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4260] set_robust_list(0x7f85c0c359a0, 24 [pid 4257] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4257] <... futex resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4254, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4257] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4253] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4253] <... futex resumed>) = 0 [pid 4260] <... set_robust_list resumed>) = 0 [pid 4257] <... symlinkat resumed>) = 0 [pid 4253] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4257] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4257] <... futex resumed>) = 0 [pid 4253] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4257] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4253] <... futex resumed>) = 0 [pid 4260] rt_sigprocmask(SIG_SETMASK, [] [pid 4253] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4257] <... unlinkat resumed>) = 0 [pid 4260] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4257] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4260] mkdirat(AT_FDCWD, "./config", 0777 [pid 4257] <... futex resumed>) = 1 [pid 4253] <... futex resumed>) = 0 [pid 4257] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4253] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4260] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4257] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4253] <... futex resumed>) = 0 [pid 4257] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4253] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4260] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4259] <... futex resumed>) = 0 [pid 4259] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4257] <... unlinkat resumed>) = 0 [pid 4259] <... futex resumed>) = 0 [pid 4257] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4259] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4257] <... futex resumed>) = 1 [pid 4253] <... futex resumed>) = 0 [pid 4257] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4253] exit_group(0 [pid 4257] <... futex resumed>) = ? [pid 4253] <... exit_group resumed>) = ? [pid 4260] <... futex resumed>) = 1 [pid 4257] +++ exited with 0 +++ [pid 4260] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 4260] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4259] <... futex resumed>) = 0 [pid 4260] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4259] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4260] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4259] <... futex resumed>) = 0 [pid 4253] +++ exited with 0 +++ [pid 4260] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4259] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4260] <... futex resumed>) = 0 [pid 4259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4260] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4259] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4260] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4259] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4253, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4260] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4259] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4260] <... futex resumed>) = 0 [pid 4259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4260] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4259] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4260] <... mkdirat resumed>) = 0 [pid 4259] <... futex resumed>) = 0 [pid 4260] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4259] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4260] <... futex resumed>) = 0 [pid 4259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ci2-android-5-15/strace-static-x86_64: Process 4261 attached [pid 4260] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4259] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... restart_syscall resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 4261] set_robust_list(0x5555810c5760, 24 [pid 4260] <... symlinkat resumed>) = 0 [pid 4259] <... futex resumed>) = 0 [pid 4261] <... set_robust_list resumed>) = 0 [pid 4260] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4259] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4261] rt_sigprocmask(SIG_SETMASK, [] [pid 4260] <... futex resumed>) = 0 [pid 4259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... restart_syscall resumed>) = 0 [pid 4260] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4259] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4261] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4260] <... unlinkat resumed>) = 0 [pid 4259] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4261] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4260] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4259] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4260] <... futex resumed>) = 0 [pid 4259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4262 [pid 4261] <... prctl resumed>) = 0 [pid 4260] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4259] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4261] setpgid(0, 0 [pid 4260] <... unlinkat resumed>) = 0 [pid 4259] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4261] <... setpgid resumed>) = 0 [pid 4260] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4259] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4263 [pid 4260] <... futex resumed>) = 0 [pid 4259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4260] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4259] exit_group(0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4260] <... futex resumed>) = ? [pid 4259] <... exit_group resumed>) = ? [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4263 attached ci2-android-5-15/strace-static-x86_64: Process 4262 attached [pid 4261] <... openat resumed>) = 3 [pid 4260] +++ exited with 0 +++ [pid 4259] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 4264 attached [pid 4263] set_robust_list(0x5555810c5760, 24 [pid 4262] set_robust_list(0x5555810c5760, 24 [pid 4261] write(3, "1000", 4 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4264 [pid 4264] set_robust_list(0x5555810c5760, 24) = 0 [pid 4264] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4264] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4264] setpgid(0, 0) = 0 [pid 4264] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4263] <... set_robust_list resumed>) = 0 [pid 4262] <... set_robust_list resumed>) = 0 [pid 4261] <... write resumed>) = 4 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4259, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4261] close(3 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4261] <... close resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4261] write(1, "executing program\n", 18) = 18 executing program [pid 4261] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4264] <... openat resumed>) = 3 [pid 4261] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4264] write(3, "1000", 4 [pid 4261] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4264] <... write resumed>) = 4 [pid 4261] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4264] close(3 [pid 4261] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4264] <... close resumed>) = 0 [pid 4261] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4264] write(1, "executing program\n", 18 [pid 4261] <... mmap resumed>) = 0x7f85c0c15000 [pid 4264] <... write resumed>) = 18 executing program [pid 4261] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4264] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4261] <... mprotect resumed>) = 0 [pid 4264] <... futex resumed>) = 0 [pid 4264] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4261] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4264] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4261] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4264] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4261] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4264] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4264] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4261] <... clone3 resumed> => {parent_tid=[4265]}, 88) = 4265 [pid 4264] <... mmap resumed>) = 0x7f85c0c15000 [pid 4261] rt_sigprocmask(SIG_SETMASK, [] [pid 4264] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4261] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4264] <... mprotect resumed>) = 0 [pid 4261] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4264] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4261] <... futex resumed>) = 0 [pid 4263] rt_sigprocmask(SIG_SETMASK, [] [pid 4262] rt_sigprocmask(SIG_SETMASK, [] [pid 4261] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4265 attached [pid 4265] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4265] rt_sigprocmask(SIG_SETMASK, [] [pid 4264] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4263] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4262] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4265] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4265] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4262] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4263] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4265] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4261] <... futex resumed>) = 0 [pid 4261] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4261] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4265] <... futex resumed>) = 1 [pid 4265] mount(NULL, "./config", "configfs", 0, NULL [pid 4264] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4263] <... prctl resumed>) = 0 [pid 4262] <... prctl resumed>) = 0 [pid 4265] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4265] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4262] setpgid(0, 0) = 0 [pid 4261] <... futex resumed>) = 0 [pid 4261] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4261] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4265] <... futex resumed>) = 1 [pid 4265] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4264] <... clone3 resumed> => {parent_tid=[4266]}, 88) = 4266 [pid 4263] setpgid(0, 0 [pid 4262] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4265] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4265] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4261] <... futex resumed>) = 0 [pid 4261] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4261] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4265] <... futex resumed>) = 1 [pid 4265] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4265] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4261] <... futex resumed>) = 0 [pid 4261] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4261] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4265] <... futex resumed>) = 1 [pid 4265] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4264] rt_sigprocmask(SIG_SETMASK, [] [pid 4263] <... setpgid resumed>) = 0 [pid 4262] <... openat resumed>) = 3 [pid 4262] write(3, "1000", 4 [pid 4263] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4264] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4262] <... write resumed>) = 4 [pid 4265] <... mkdirat resumed>) = 0 [pid 4262] close(3 [pid 4265] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4264] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4263] <... openat resumed>) = 3 [pid 4262] <... close resumed>) = 0 [pid 4261] <... futex resumed>) = 0 [pid 4261] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4262] write(1, "executing program\n", 18 [pid 4264] <... futex resumed>) = 0 [pid 4263] write(3, "1000", 4 [pid 4262] <... write resumed>) = 18 [pid 4261] <... futex resumed>) = 0 executing program [pid 4264] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4263] <... write resumed>) = 4 [pid 4262] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4261] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... restart_syscall resumed>) = 0 [pid 4263] close(3 [pid 4262] <... futex resumed>) = 0 [pid 4263] <... close resumed>) = 0 [pid 4262] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4263] write(1, "executing program\n", 18 [pid 4262] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4262] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] executing program [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4263] <... write resumed>) = 18 [pid 4262] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4262] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4263] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4262] <... mmap resumed>) = 0x7f85c0c15000 [pid 4265] <... futex resumed>) = 1 [pid 4265] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4265] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4261] <... futex resumed>) = 0 [pid 4261] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4263] <... futex resumed>) = 0 [pid 4262] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4261] <... futex resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4267 [pid 4263] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4262] <... mprotect resumed>) = 0 [pid 4261] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4263] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4262] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4263] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4262] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4262] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4263] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4263] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4262] <... clone3 resumed> => {parent_tid=[4268]}, 88) = 4268 [pid 4265] <... futex resumed>) = 1 [pid 4262] rt_sigprocmask(SIG_SETMASK, [] [pid 4263] <... mmap resumed>) = 0x7f85c0c15000 [pid 4262] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4263] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4262] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4263] <... mprotect resumed>) = 0 [pid 4262] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4263] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4265] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4263] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4265] <... unlinkat resumed>) = 0 [pid 4263] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4265] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4261] <... futex resumed>) = 0 [pid 4265] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4261] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4269 attached ci2-android-5-15/strace-static-x86_64: Process 4267 attached [pid 4265] <... unlinkat resumed>) = 0 [pid 4263] <... clone3 resumed> => {parent_tid=[4269]}, 88) = 4269 [pid 4261] <... futex resumed>) = 0 [pid 4265] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4263] rt_sigprocmask(SIG_SETMASK, [] [pid 4261] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4265] <... futex resumed>) = 0 [pid 4263] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4261] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4267] set_robust_list(0x5555810c5760, 24 [pid 4265] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4263] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4261] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 4266 attached [pid 4269] set_robust_list(0x7f85c0c359a0, 24 [pid 4267] <... set_robust_list resumed>) = 0 [pid 4265] <... futex resumed>) = ? [pid 4263] <... futex resumed>) = 0 [pid 4261] <... exit_group resumed>) = ? [pid 4269] <... set_robust_list resumed>) = 0 [pid 4267] rt_sigprocmask(SIG_SETMASK, [] [pid 4265] +++ exited with 0 +++ [pid 4263] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4261] +++ exited with 0 +++ [pid 4266] set_robust_list(0x7f85c0c359a0, 24 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4261, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4266] <... set_robust_list resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4266] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4266] mkdirat(AT_FDCWD, "./config", 0777 [pid 4267] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4266] <... mkdirat resumed>) = -1 EEXIST (File exists) ci2-android-5-15/strace-static-x86_64: Process 4268 attached [pid 4268] set_robust_list(0x7f85c0c359a0, 24 [pid 4266] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4264] <... futex resumed>) = 0 [pid 4267] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4264] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4268] <... set_robust_list resumed>) = 0 [pid 4267] <... prctl resumed>) = 0 [pid 4264] <... futex resumed>) = 0 [pid 4267] setpgid(0, 0 [pid 4266] mount(NULL, "./config", "configfs", 0, NULL [pid 4264] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4268] rt_sigprocmask(SIG_SETMASK, [] [pid 4267] <... setpgid resumed>) = 0 [pid 4266] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4268] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4266] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4268] mkdirat(AT_FDCWD, "./config", 0777 [pid 4266] <... futex resumed>) = 1 [pid 4264] <... futex resumed>) = 0 [pid 4268] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4266] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4264] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4269] rt_sigprocmask(SIG_SETMASK, [] [pid 4268] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4266] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4264] <... futex resumed>) = 0 [pid 4268] <... futex resumed>) = 1 [pid 4266] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4264] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4268] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4266] <... futex resumed>) = 0 [pid 4264] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4262] <... futex resumed>) = 0 [pid 4267] <... openat resumed>) = 3 [pid 4269] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4266] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4264] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4262] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4266] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4264] <... futex resumed>) = 0 [pid 4269] mkdirat(AT_FDCWD, "./config", 0777 [pid 4268] <... futex resumed>) = 0 [pid 4267] write(3, "1000", 4 [pid 4266] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4264] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4262] <... futex resumed>) = 1 [pid 4268] mount(NULL, "./config", "configfs", 0, NULL [pid 4266] <... futex resumed>) = 0 [pid 4264] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4262] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4269] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4268] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4267] <... write resumed>) = 4 [pid 4266] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4264] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4269] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4268] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4267] close(3 [pid 4266] <... mkdirat resumed>) = 0 [pid 4264] <... futex resumed>) = 0 [pid 4269] <... futex resumed>) = 1 [pid 4268] <... futex resumed>) = 1 [pid 4267] <... close resumed>) = 0 [pid 4266] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4264] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4263] <... futex resumed>) = 0 [pid 4262] <... futex resumed>) = 0 [pid 4269] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4268] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4267] write(1, "executing program\n", 18 [pid 4266] <... futex resumed>) = 0 [pid 4264] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4263] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 4262] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4269] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4268] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4267] <... write resumed>) = 18 [pid 4266] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4264] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4263] <... futex resumed>) = 0 [pid 4262] <... futex resumed>) = 0 [pid 4269] mount(NULL, "./config", "configfs", 0, NULL [pid 4268] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4267] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4266] <... symlinkat resumed>) = 0 [pid 4264] <... futex resumed>) = 0 [pid 4263] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4262] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4269] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4268] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4267] <... futex resumed>) = 0 [pid 4266] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4264] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4269] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4268] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4267] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4266] <... futex resumed>) = 0 [pid 4264] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4269] <... futex resumed>) = 1 [pid 4268] <... futex resumed>) = 1 [pid 4267] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4266] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4264] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4263] <... futex resumed>) = 0 [pid 4262] <... futex resumed>) = 0 [pid 4269] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4268] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4267] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4266] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4264] <... futex resumed>) = 0 [pid 4263] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4262] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4269] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4268] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4267] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4266] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4264] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4263] <... futex resumed>) = 0 [pid 4262] <... futex resumed>) = 0 [pid 4269] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4268] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4267] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4266] <... unlinkat resumed>) = 0 [pid 4263] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4262] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... restart_syscall resumed>) = 0 [pid 4269] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4268] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4267] <... mmap resumed>) = 0x7f85c0c15000 [pid 4266] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4269] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4268] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4267] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4266] <... futex resumed>) = 1 [pid 4264] <... futex resumed>) = 0 [pid 4269] <... futex resumed>) = 1 [pid 4268] <... futex resumed>) = 1 [pid 4267] <... mprotect resumed>) = 0 [pid 4266] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4264] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4263] <... futex resumed>) = 0 [pid 4262] <... futex resumed>) = 0 [pid 4269] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4268] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4267] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4266] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4264] <... futex resumed>) = 0 [pid 4263] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4262] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4269] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4268] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4267] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4266] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4264] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4263] <... futex resumed>) = 0 [pid 4262] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4269] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4268] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4267] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4266] <... unlinkat resumed>) = 0 [pid 4269] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4268] <... mkdirat resumed>) = 0 [pid 4266] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4263] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4262] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4269] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4268] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4266] <... futex resumed>) = 1 [pid 4264] <... futex resumed>) = 0 [pid 4263] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4262] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4268] <... futex resumed>) = 0 [pid 4266] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4264] exit_group(0 [pid 4268] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4266] <... futex resumed>) = ? [pid 4264] <... exit_group resumed>) = ? [pid 4263] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4262] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4267] <... clone3 resumed> => {parent_tid=[4270]}, 88) = 4270 ci2-android-5-15/strace-static-x86_64: Process 4271 attached ci2-android-5-15/strace-static-x86_64: Process 4270 attached [pid 4269] <... futex resumed>) = 0 [pid 4268] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4267] rt_sigprocmask(SIG_SETMASK, [] [pid 4266] +++ exited with 0 +++ [pid 4264] +++ exited with 0 +++ [pid 4263] <... futex resumed>) = 0 [pid 4262] <... futex resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4271 [pid 4269] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4268] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4267] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4263] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4262] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4269] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4268] <... symlinkat resumed>) = 0 [pid 4267] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4264, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4269] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4268] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4267] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4269] <... futex resumed>) = 1 [pid 4268] <... futex resumed>) = 1 [pid 4267] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4263] <... futex resumed>) = 0 [pid 4262] <... futex resumed>) = 0 [pid 4269] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4268] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4263] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4262] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4269] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4268] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4263] <... futex resumed>) = 0 [pid 4262] <... futex resumed>) = 0 [pid 4269] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4268] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4263] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4262] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4271] set_robust_list(0x5555810c5760, 24 [pid 4270] set_robust_list(0x7f85c0c359a0, 24 [pid 4269] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4268] <... unlinkat resumed>) = 0 [pid 4271] <... set_robust_list resumed>) = 0 [pid 4269] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4268] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4271] rt_sigprocmask(SIG_SETMASK, [] [pid 4269] <... futex resumed>) = 1 [pid 4268] <... futex resumed>) = 1 [pid 4270] <... set_robust_list resumed>) = 0 [pid 4263] <... futex resumed>) = 0 [pid 4262] <... futex resumed>) = 0 [pid 4271] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4269] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4268] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4263] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4262] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4271] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4269] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4268] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4263] <... futex resumed>) = 0 [pid 4262] <... futex resumed>) = 0 [pid 4271] <... prctl resumed>) = 0 [pid 4269] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4268] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4263] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4262] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4271] setpgid(0, 0 [pid 4270] rt_sigprocmask(SIG_SETMASK, [] [pid 4269] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4268] <... unlinkat resumed>) = 0 [pid 4271] <... setpgid resumed>) = 0 [pid 4270] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4269] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4268] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4270] mkdirat(AT_FDCWD, "./config", 0777 [pid 4269] <... futex resumed>) = 1 [pid 4268] <... futex resumed>) = 1 [pid 4263] <... futex resumed>) = 0 [pid 4262] <... futex resumed>) = 0 [pid 4271] <... openat resumed>) = 3 [pid 4270] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4269] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4268] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4263] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4262] exit_group(0 [pid 4271] write(3, "1000", 4 [pid 4270] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4269] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4268] <... futex resumed>) = ? [pid 4263] <... futex resumed>) = 0 [pid 4262] <... exit_group resumed>) = ? [pid 4271] <... write resumed>) = 4 [pid 4270] <... futex resumed>) = 1 [pid 4269] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4268] +++ exited with 0 +++ [pid 4267] <... futex resumed>) = 0 [pid 4263] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4262] +++ exited with 0 +++ [pid 4271] close(3 [pid 4270] mount(NULL, "./config", "configfs", 0, NULL [pid 4269] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4267] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4262, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4271] <... close resumed>) = 0 [pid 4270] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4269] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4267] <... futex resumed>) = 0 [pid 4271] write(1, "executing program\n", 18 executing program [pid 4270] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4269] <... futex resumed>) = 1 [pid 4267] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4263] <... futex resumed>) = 0 [pid 4271] <... write resumed>) = 18 [pid 4270] <... futex resumed>) = 0 [pid 4269] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4267] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4263] exit_group(0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4271] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4270] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4269] <... futex resumed>) = ? [pid 4267] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4263] <... exit_group resumed>) = ? [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4271] <... futex resumed>) = 0 [pid 4269] +++ exited with 0 +++ [pid 4267] <... futex resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555810c5750) = 4272 [pid 4263] +++ exited with 0 +++ [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4263, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4271] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4270] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4267] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4271] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4271] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4270] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4271] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 4271] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4270] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4271] <... mmap resumed>) = 0x7f85c0c15000 [pid 4270] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4272 attached [pid 4272] set_robust_list(0x5555810c5760, 24) = 0 [pid 4272] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4273 [pid 4271] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4270] <... futex resumed>) = 1 [pid 4267] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4271] <... mprotect resumed>) = 0 [pid 4270] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4267] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4271] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4267] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4270] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4271] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4270] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4267] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4271] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4270] <... futex resumed>) = 0 [pid 4267] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4272] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4267] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4274 [pid 4267] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4272] setpgid(0, 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4270] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4271] <... clone3 resumed> => {parent_tid=[4275]}, 88) = 4275 [pid 4272] <... setpgid resumed>) = 0 [pid 4271] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4270] <... mkdirat resumed>) = 0 [pid 4271] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4270] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4271] <... futex resumed>) = 0 [pid 4272] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4267] <... futex resumed>) = 0 [pid 4271] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4270] <... futex resumed>) = 1 [pid 4267] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4270] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4267] <... futex resumed>) = 0 [pid 4272] <... openat resumed>) = 3 [pid 4270] <... symlinkat resumed>) = 0 [pid 4267] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4270] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4267] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4270] <... futex resumed>) = 0 [pid 4267] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4270] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4267] <... futex resumed>) = 0 [pid 4267] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4270] <... unlinkat resumed>) = 0 [pid 4270] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4272] write(3, "1000", 4 [pid 4270] <... futex resumed>) = 1 [pid 4267] <... futex resumed>) = 0 [pid 4270] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4267] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4270] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4267] <... futex resumed>) = 0 [pid 4272] <... write resumed>) = 4 [pid 4267] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4270] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4272] close(3) = 0 [pid 4272] write(1, "executing program\n", 18 [pid 4270] <... unlinkat resumed>) = 0 [pid 4272] <... write resumed>) = 18 [pid 4270] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4272] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4270] <... futex resumed>) = 1 [pid 4267] <... futex resumed>) = 0 executing program [pid 4270] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4267] exit_group(0 [pid 4272] <... futex resumed>) = 0 [pid 4270] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 4267] <... exit_group resumed>) = ? [pid 4272] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4272] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4272] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4272] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4272] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4270] +++ exited with 0 +++ [pid 4267] +++ exited with 0 +++ [pid 4272] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4267, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4272] <... clone3 resumed> => {parent_tid=[4276]}, 88) = 4276 ci2-android-5-15/strace-static-x86_64: Process 4276 attached ci2-android-5-15/strace-static-x86_64: Process 4274 attached [pid 4272] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4272] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4272] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4274] set_robust_list(0x5555810c5760, 24ci2-android-5-15/strace-static-x86_64: Process 4273 attached [pid 4273] set_robust_list(0x5555810c5760, 24 [pid 4276] set_robust_list(0x7f85c0c359a0, 24 [pid 4274] <... set_robust_list resumed>) = 0 [pid 4273] <... set_robust_list resumed>) = 0 [pid 4273] rt_sigprocmask(SIG_SETMASK, [] [pid 4274] rt_sigprocmask(SIG_SETMASK, [] [pid 4273] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4276] <... set_robust_list resumed>) = 0 [pid 4274] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4273] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4273] setpgid(0, 0) = 0 [pid 4276] rt_sigprocmask(SIG_SETMASK, [] [pid 4274] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4274] <... prctl resumed>) = 0 [pid 4273] <... openat resumed>) = 3 [pid 4276] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4275 attached [pid 4275] set_robust_list(0x7f85c0c359a0, 24 [pid 4274] setpgid(0, 0 [pid 4273] write(3, "1000", 4) = 4 [pid 4275] <... set_robust_list resumed>) = 0 [pid 4273] close(3 [pid 4275] rt_sigprocmask(SIG_SETMASK, [] [pid 4273] <... close resumed>) = 0 [pid 4275] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4275] mkdirat(AT_FDCWD, "./config", 0777 [pid 4276] mkdirat(AT_FDCWD, "./config", 0777 [pid 4274] <... setpgid resumed>) = 0 [pid 4273] write(1, "executing program\n", 18) = 18 executing program [pid 4273] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4275] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4273] <... futex resumed>) = 0 [pid 4273] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4275] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4273] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4275] <... futex resumed>) = 1 [pid 4271] <... futex resumed>) = 0 [pid 4273] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4271] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4276] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4274] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4271] <... futex resumed>) = 0 [pid 4273] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4271] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4276] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4275] mount(NULL, "./config", "configfs", 0, NULL [pid 4274] <... openat resumed>) = 3 [pid 4273] <... mmap resumed>) = 0x7f85c0c15000 [pid 4276] <... futex resumed>) = 1 [pid 4275] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4274] write(3, "1000", 4 [pid 4272] <... futex resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 4276] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4275] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4274] <... write resumed>) = 4 [pid 4273] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4272] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4276] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4275] <... futex resumed>) = 1 [pid 4274] close(3 [pid 4273] <... mprotect resumed>) = 0 [pid 4272] <... futex resumed>) = 0 [pid 4271] <... futex resumed>) = 0 [pid 4276] mount(NULL, "./config", "configfs", 0, NULL [pid 4275] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4274] <... close resumed>) = 0 [pid 4273] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4272] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4271] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4276] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4275] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4274] write(1, "executing program\n", 18 [pid 4273] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4271] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] executing program [pid 4276] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4274] <... write resumed>) = 18 [pid 4271] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4276] <... futex resumed>) = 1 [pid 4275] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4274] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4273] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4272] <... futex resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 4277 attached [pid 4276] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4275] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4274] <... futex resumed>) = 0 [pid 4272] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4275] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4273] <... clone3 resumed> => {parent_tid=[4277]}, 88) = 4277 [pid 4272] <... futex resumed>) = 0 [pid 4275] <... futex resumed>) = 1 [pid 4273] rt_sigprocmask(SIG_SETMASK, [] [pid 4272] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4276] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4275] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4274] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4273] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4271] <... futex resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4278 [pid 4276] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4274] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4271] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4276] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4274] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4271] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4276] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4274] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4271] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4276] <... futex resumed>) = 1 [pid 4275] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4274] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4273] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4272] <... futex resumed>) = 0 [pid 4276] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4275] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4274] <... mmap resumed>) = 0x7f85c0c15000 [pid 4273] <... futex resumed>) = 0 [pid 4272] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4276] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4275] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4274] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4273] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4272] <... futex resumed>) = 0 [pid 4276] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4275] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4274] <... mprotect resumed>) = 0 [pid 4272] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4277] set_robust_list(0x7f85c0c359a0, 24 [pid 4276] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4275] <... futex resumed>) = 1 [pid 4274] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4271] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4278 attached [pid 4276] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4275] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4274] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4271] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4278] set_robust_list(0x5555810c5760, 24 [pid 4276] <... futex resumed>) = 1 [pid 4275] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4274] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4272] <... futex resumed>) = 0 [pid 4271] <... futex resumed>) = 0 [pid 4278] <... set_robust_list resumed>) = 0 [pid 4276] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4275] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4272] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4271] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4278] rt_sigprocmask(SIG_SETMASK, [] [pid 4277] <... set_robust_list resumed>) = 0 [pid 4276] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4275] <... mkdirat resumed>) = 0 [pid 4274] <... clone3 resumed> => {parent_tid=[4279]}, 88) = 4279 [pid 4272] <... futex resumed>) = 0 [pid 4278] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4276] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4275] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4274] rt_sigprocmask(SIG_SETMASK, [] [pid 4272] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4278] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4276] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4275] <... futex resumed>) = 1 [pid 4274] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4271] <... futex resumed>) = 0 [pid 4278] <... prctl resumed>) = 0 [pid 4276] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4275] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4274] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4271] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4278] setpgid(0, 0 [pid 4276] <... futex resumed>) = 1 [pid 4275] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4274] <... futex resumed>) = 0 [pid 4272] <... futex resumed>) = 0 [pid 4271] <... futex resumed>) = 0 [pid 4278] <... setpgid resumed>) = 0 [pid 4276] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4275] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4274] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4272] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4271] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4278] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4277] rt_sigprocmask(SIG_SETMASK, [] [pid 4276] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4275] <... symlinkat resumed>) = 0 [pid 4272] <... futex resumed>) = 0 [pid 4278] <... openat resumed>) = 3 [pid 4277] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4276] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4275] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4272] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4278] write(3, "1000", 4 [pid 4276] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4275] <... futex resumed>) = 1 [pid 4271] <... futex resumed>) = 0 [pid 4278] <... write resumed>) = 4 [pid 4277] mkdirat(AT_FDCWD, "./config", 0777 [pid 4276] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4275] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4271] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4278] close(3 [pid 4277] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4276] <... futex resumed>) = 1 [pid 4275] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4272] <... futex resumed>) = 0 [pid 4271] <... futex resumed>) = 0 [pid 4278] <... close resumed>) = 0 [pid 4277] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4276] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4275] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4272] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4271] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4278] write(1, "executing program\n", 18 executing program [pid 4277] <... futex resumed>) = 1 [pid 4276] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4275] <... unlinkat resumed>) = 0 [pid 4273] <... futex resumed>) = 0 [pid 4272] <... futex resumed>) = 0 [pid 4278] <... write resumed>) = 18 [pid 4277] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4276] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4275] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4273] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4272] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4278] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4277] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4276] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4275] <... futex resumed>) = 1 [pid 4273] <... futex resumed>) = 0 [pid 4271] <... futex resumed>) = 0 [pid 4278] <... futex resumed>) = 0 [pid 4277] mount(NULL, "./config", "configfs", 0, NULL [pid 4276] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4275] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4273] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4271] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4279 attached [pid 4278] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4277] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4276] <... futex resumed>) = 1 [pid 4275] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4272] <... futex resumed>) = 0 [pid 4271] <... futex resumed>) = 0 [pid 4279] set_robust_list(0x7f85c0c359a0, 24 [pid 4278] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4277] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4276] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4275] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4272] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4271] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4279] <... set_robust_list resumed>) = 0 [pid 4278] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4277] <... futex resumed>) = 1 [pid 4276] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4275] <... unlinkat resumed>) = 0 [pid 4273] <... futex resumed>) = 0 [pid 4272] <... futex resumed>) = 0 [pid 4279] rt_sigprocmask(SIG_SETMASK, [] [pid 4278] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4277] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4276] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4275] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4273] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4272] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4279] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4278] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4277] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4276] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4275] <... futex resumed>) = 1 [pid 4273] <... futex resumed>) = 0 [pid 4271] <... futex resumed>) = 0 [pid 4279] mkdirat(AT_FDCWD, "./config", 0777 [pid 4278] <... mmap resumed>) = 0x7f85c0c15000 [pid 4277] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4276] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4275] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4273] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4271] exit_group(0 [pid 4279] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4278] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4277] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4276] <... futex resumed>) = 1 [pid 4275] <... futex resumed>) = ? [pid 4272] <... futex resumed>) = 0 [pid 4271] <... exit_group resumed>) = ? [pid 4279] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4278] <... mprotect resumed>) = 0 [pid 4277] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4276] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4275] +++ exited with 0 +++ [pid 4272] exit_group(0 [pid 4279] <... futex resumed>) = 1 [pid 4278] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4279] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4278] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4278] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4271] +++ exited with 0 +++ [pid 4278] <... clone3 resumed> => {parent_tid=[4280]}, 88) = 4280 [pid 4278] rt_sigprocmask(SIG_SETMASK, [] [pid 4276] <... futex resumed>) = ? [pid 4274] <... futex resumed>) = 0 [pid 4272] <... exit_group resumed>) = ? [pid 4277] <... futex resumed>) = 1 [pid 4273] <... futex resumed>) = 0 [pid 4278] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4276] +++ exited with 0 +++ [pid 4274] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4273] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4278] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4273] <... futex resumed>) = 0 [pid 4278] <... futex resumed>) = 0 [pid 4273] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4278] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4280 attached [pid 4272] +++ exited with 0 +++ [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4272, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4271, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4279] <... futex resumed>) = 0 [pid 4277] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4274] <... futex resumed>) = 1 [pid 4279] mount(NULL, "./config", "configfs", 0, NULL [pid 4274] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4277] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4279] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4277] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4279] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4277] <... futex resumed>) = 1 [pid 4273] <... futex resumed>) = 0 [pid 4279] <... futex resumed>) = 1 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4274] <... futex resumed>) = 0 [pid 4279] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4277] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4274] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4273] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4279] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4273] <... futex resumed>) = 0 [pid 4273] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4280] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4280] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4274] <... futex resumed>) = 0 [pid 4279] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4274] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4279] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4281 [pid 4279] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4277] <... mkdirat resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4279] <... futex resumed>) = 1 [pid 4277] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4279] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4274] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4277] <... futex resumed>) = 1 [pid 4274] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4273] <... futex resumed>) = 0 [pid 4279] <... futex resumed>) = 0 [pid 4277] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4274] <... futex resumed>) = 1 [pid 4273] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4279] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4277] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4274] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4273] <... futex resumed>) = 0 [pid 4279] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4277] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4273] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4279] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4280] mkdirat(AT_FDCWD, "./config", 0777 [pid 4279] <... futex resumed>) = 1 [pid 4277] <... symlinkat resumed>) = 0 [pid 4274] <... futex resumed>) = 0 [pid 4279] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4277] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4274] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4279] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4277] <... futex resumed>) = 1 [pid 4274] <... futex resumed>) = 0 [pid 4273] <... futex resumed>) = 0 [pid 4279] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4277] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4274] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4273] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4279] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4277] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4273] <... futex resumed>) = 0 [pid 4279] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4277] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4273] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4279] <... futex resumed>) = 1 [pid 4277] <... unlinkat resumed>) = 0 [pid 4274] <... futex resumed>) = 0 [pid 4279] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4277] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4274] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4279] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4277] <... futex resumed>) = 1 [pid 4273] <... futex resumed>) = 0 [pid 4279] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4277] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4274] <... futex resumed>) = 0 [pid 4273] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4279] <... symlinkat resumed>) = 0 [pid 4277] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4274] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4273] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4279] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4277] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4274] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4279] <... futex resumed>) = 0 [pid 4277] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 4279] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4274] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4277] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4280] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4279] <... unlinkat resumed>) = 0 [pid 4277] <... futex resumed>) = 1 [pid 4274] <... futex resumed>) = 0 [pid 4273] <... futex resumed>) = 0 [pid 4280] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4279] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4277] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4274] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4273] exit_group(0 [pid 4280] <... futex resumed>) = 1 [pid 4279] <... futex resumed>) = 0 [pid 4278] <... futex resumed>) = 0 [pid 4277] <... futex resumed>) = ? [pid 4274] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4273] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 4281 attached [pid 4280] mount(NULL, "./config", "configfs", 0, NULL [pid 4279] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4278] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4277] +++ exited with 0 +++ [pid 4274] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4273] +++ exited with 0 +++ [pid 4280] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4278] <... futex resumed>) = 0 [pid 4280] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4279] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4278] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4281] set_robust_list(0x5555810c5760, 24 [pid 4274] <... futex resumed>) = 0 [pid 4280] <... futex resumed>) = 0 [pid 4279] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4278] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4274] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4273, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4281] <... set_robust_list resumed>) = 0 [pid 4280] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4279] <... unlinkat resumed>) = 0 [pid 4278] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4281] rt_sigprocmask(SIG_SETMASK, [] [pid 4280] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4279] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4278] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4281] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4280] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4279] <... futex resumed>) = 1 [pid 4278] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4274] <... futex resumed>) = 0 [pid 4280] <... futex resumed>) = 0 [pid 4279] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4278] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4281] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4280] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4278] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4274] exit_group(0 [pid 4280] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4278] <... futex resumed>) = 0 [pid 4281] <... prctl resumed>) = 0 [pid 4280] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4279] <... futex resumed>) = ? [pid 4278] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4274] <... exit_group resumed>) = ? [pid 4280] <... futex resumed>) = 0 [pid 4279] +++ exited with 0 +++ [pid 4278] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4280] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4278] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4280] <... mkdirat resumed>) = 0 [pid 4278] <... futex resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 4280] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4278] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4274] +++ exited with 0 +++ [pid 4281] setpgid(0, 0 [pid 4280] <... futex resumed>) = 0 [pid 4278] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4280] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4278] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4274, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4281] <... setpgid resumed>) = 0 [pid 4280] <... symlinkat resumed>) = 0 [pid 4278] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4280] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4278] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4280] <... futex resumed>) = 0 [pid 4278] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ci2-android-5-15/strace-static-x86_64: Process 4282 attached [pid 4280] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4278] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4282 [pid 4282] set_robust_list(0x5555810c5760, 24 [pid 4281] <... openat resumed>) = 3 [pid 4280] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4278] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4281] write(3, "1000", 4 [pid 4280] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4278] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... restart_syscall resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4281] <... write resumed>) = 4 [pid 4280] <... unlinkat resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 4281] close(3 [pid 4280] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4281] <... close resumed>) = 0 [pid 4280] <... futex resumed>) = 1 [pid 4278] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4281] write(1, "executing program\n", 18 [pid 4280] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL executing program [pid 4278] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4281] <... write resumed>) = 18 [pid 4280] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4278] <... futex resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4281] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4280] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4278] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4280] <... unlinkat resumed>) = 0 [pid 4281] <... futex resumed>) = 0 [pid 4280] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4281] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4280] <... futex resumed>) = 1 [pid 4278] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4283 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4281] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4280] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4278] exit_group(0 [pid 4281] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4280] <... futex resumed>) = ? [pid 4278] <... exit_group resumed>) = ? [pid 312] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 4283 attached [pid 4282] <... set_robust_list resumed>) = 0 [pid 4281] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4280] +++ exited with 0 +++ [pid 4278] +++ exited with 0 +++ [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4284 [pid 4281] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4278, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4281] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4281] <... mprotect resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4284 attached [pid 4281] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4284] set_robust_list(0x5555810c5760, 24 [pid 4281] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4284] <... set_robust_list resumed>) = 0 [pid 4284] rt_sigprocmask(SIG_SETMASK, [] [pid 4281] <... clone3 resumed> => {parent_tid=[4285]}, 88) = 4285 [pid 4282] rt_sigprocmask(SIG_SETMASK, [] [pid 4281] rt_sigprocmask(SIG_SETMASK, [] [pid 4284] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4281] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4284] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4281] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4284] <... prctl resumed>) = 0 [pid 4281] <... futex resumed>) = 0 [pid 4284] setpgid(0, 0 [pid 4281] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4284] <... setpgid resumed>) = 0 [pid 4284] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4282] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4284] <... openat resumed>) = 3 [pid 4282] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4284] write(3, "1000", 4) = 4 [pid 4284] close(3) = 0 [pid 4284] write(1, "executing program\n", 18) = 18 executing program [pid 4284] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4283] set_robust_list(0x5555810c5760, 24 [pid 4282] <... prctl resumed>) = 0 [pid 4284] <... futex resumed>) = 0 [pid 4284] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4283] <... set_robust_list resumed>) = 0 [pid 4282] setpgid(0, 0 [pid 4284] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4284] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4284] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4284] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4284] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4282] <... setpgid resumed>) = 0 [pid 4284] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4284] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4283] rt_sigprocmask(SIG_SETMASK, [] [pid 4282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4284] <... clone3 resumed> => {parent_tid=[4286]}, 88) = 4286 [pid 4284] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4284] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4284] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4285 attached [pid 4285] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4285] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4285] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4282] <... openat resumed>) = 3 [pid 4285] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4281] <... futex resumed>) = 0 [pid 4282] write(3, "1000", 4 [pid 4281] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4285] mount(NULL, "./config", "configfs", 0, NULL [pid 4281] <... futex resumed>) = 0 [pid 4282] <... write resumed>) = 4 [pid 4283] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4282] close(3 [pid 4281] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4285] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4283] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4282] <... close resumed>) = 0 [pid 4285] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4281] <... futex resumed>) = 0 [pid 4282] write(1, "executing program\n", 18 [pid 4283] <... prctl resumed>) = 0 [pid 4281] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4285] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 executing program [pid 4281] <... futex resumed>) = 0 [pid 4283] setpgid(0, 0 [pid 4282] <... write resumed>) = 18 [pid 4281] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4285] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4282] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4283] <... setpgid resumed>) = 0 [pid 4282] <... futex resumed>) = 0 [pid 4285] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4282] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4285] <... futex resumed>) = 1 [pid 4283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4282] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4281] <... futex resumed>) = 0 [pid 4282] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4281] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4285] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4282] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4281] <... futex resumed>) = 0 [pid 4283] <... openat resumed>) = 3 [pid 4282] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4281] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4283] write(3, "1000", 4 [pid 4282] <... mmap resumed>) = 0x7f85c0c15000 [pid 4283] <... write resumed>) = 4 [pid 4282] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4283] close(3 [pid 4282] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4283] <... close resumed>) = 0 [pid 4282] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 305] <... restart_syscall resumed>) = 0 [pid 4285] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4283] write(1, "executing program\n", 18 [pid 4282] <... clone3 resumed> => {parent_tid=[4287]}, 88) = 4287 executing program [pid 4285] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4282] rt_sigprocmask(SIG_SETMASK, [] [pid 4283] <... write resumed>) = 18 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4282] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4283] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4282] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4283] <... futex resumed>) = 0 [pid 4282] <... futex resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4282] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4285] <... futex resumed>) = 1 [pid 4281] <... futex resumed>) = 0 [pid 4285] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 4286 attached [pid 4286] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4286] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4281] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4283] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4288 [pid 4281] <... futex resumed>) = 1 [pid 4285] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4283] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4281] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4283] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4285] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4283] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4287 attached [pid 4285] <... mkdirat resumed>) = 0 [pid 4283] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4285] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4285] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4286] mkdirat(AT_FDCWD, "./config", 0777 [pid 4281] <... futex resumed>) = 0 [pid 4283] <... mmap resumed>) = 0x7f85c0c15000 [pid 4281] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4286] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4285] <... futex resumed>) = 0 [pid 4283] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4281] <... futex resumed>) = 1 [pid 4283] <... mprotect resumed>) = 0 [pid 4283] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4281] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4283] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4285] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4283] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4286] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4285] <... symlinkat resumed>) = 0 [pid 4286] <... futex resumed>) = 1 [pid 4285] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4284] <... futex resumed>) = 0 [pid 4283] <... clone3 resumed> => {parent_tid=[4289]}, 88) = 4289 [pid 4286] mount(NULL, "./config", "configfs", 0, NULL [pid 4285] <... futex resumed>) = 1 [pid 4284] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4283] rt_sigprocmask(SIG_SETMASK, [] [pid 4281] <... futex resumed>) = 0 [pid 4286] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4285] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4284] <... futex resumed>) = 0 [pid 4283] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4281] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4288 attached [pid 4286] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4285] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4284] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4283] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4281] <... futex resumed>) = 0 [pid 4286] <... futex resumed>) = 0 [pid 4285] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4283] <... futex resumed>) = 0 [pid 4281] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4286] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4285] <... unlinkat resumed>) = 0 [pid 4284] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4283] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4285] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4284] <... futex resumed>) = 0 [pid 4286] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4285] <... futex resumed>) = 1 [pid 4284] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4281] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4289 attached [pid 4287] set_robust_list(0x7f85c0c359a0, 24 [pid 4286] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4285] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4281] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4286] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4285] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4281] <... futex resumed>) = 0 [pid 4287] <... set_robust_list resumed>) = 0 [pid 4289] set_robust_list(0x7f85c0c359a0, 24 [pid 4288] set_robust_list(0x5555810c5760, 24 [pid 4286] <... futex resumed>) = 1 [pid 4285] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4284] <... futex resumed>) = 0 [pid 4281] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4289] <... set_robust_list resumed>) = 0 [pid 4288] <... set_robust_list resumed>) = 0 [pid 4287] rt_sigprocmask(SIG_SETMASK, [] [pid 4286] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4285] <... unlinkat resumed>) = 0 [pid 4284] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4289] rt_sigprocmask(SIG_SETMASK, [] [pid 4288] rt_sigprocmask(SIG_SETMASK, [] [pid 4287] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4285] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4284] <... futex resumed>) = 0 [pid 4289] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4288] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4286] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4285] <... futex resumed>) = 1 [pid 4284] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4287] mkdirat(AT_FDCWD, "./config", 0777 [pid 4281] <... futex resumed>) = 0 [pid 4289] mkdirat(AT_FDCWD, "./config", 0777 [pid 4288] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4286] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4285] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4288] <... prctl resumed>) = 0 [pid 4287] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4286] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4281] exit_group(0 [pid 4288] setpgid(0, 0 [pid 4286] <... futex resumed>) = 1 [pid 4284] <... futex resumed>) = 0 [pid 4288] <... setpgid resumed>) = 0 [pid 4287] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4286] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4285] <... futex resumed>) = ? [pid 4284] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4281] <... exit_group resumed>) = ? [pid 4289] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4288] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4287] <... futex resumed>) = 1 [pid 4286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4285] +++ exited with 0 +++ [pid 4284] <... futex resumed>) = 0 [pid 4282] <... futex resumed>) = 0 [pid 4288] <... openat resumed>) = 3 [pid 4286] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4288] write(3, "1000", 4 [pid 4287] mount(NULL, "./config", "configfs", 0, NULL [pid 4289] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4286] <... mkdirat resumed>) = 0 [pid 4284] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4282] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4281] +++ exited with 0 +++ [pid 4289] <... futex resumed>) = 1 [pid 4288] <... write resumed>) = 4 [pid 4287] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4286] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4283] <... futex resumed>) = 0 [pid 4282] <... futex resumed>) = 0 [pid 4289] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4288] close(3 [pid 4287] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4286] <... futex resumed>) = 0 [pid 4284] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4283] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4282] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4281, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4289] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4288] <... close resumed>) = 0 [pid 4287] <... futex resumed>) = 0 [pid 4286] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4284] <... futex resumed>) = 0 [pid 4283] <... futex resumed>) = 0 [pid 4282] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4289] mount(NULL, "./config", "configfs", 0, NULL [pid 4288] write(1, "executing program\n", 18 executing program [pid 4287] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4286] <... symlinkat resumed>) = 0 [pid 4284] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4283] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4282] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4289] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4288] <... write resumed>) = 18 [pid 4287] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4286] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4282] <... futex resumed>) = 0 [pid 4289] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4288] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4287] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4286] <... futex resumed>) = 0 [pid 4284] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4282] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4289] <... futex resumed>) = 1 [pid 4288] <... futex resumed>) = 0 [pid 4287] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4286] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4284] <... futex resumed>) = 0 [pid 4283] <... futex resumed>) = 0 [pid 4289] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4288] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4287] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4286] <... unlinkat resumed>) = 0 [pid 4284] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4283] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4289] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4288] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4287] <... futex resumed>) = 1 [pid 4286] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4283] <... futex resumed>) = 0 [pid 4282] <... futex resumed>) = 0 [pid 4289] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4288] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4287] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4286] <... futex resumed>) = 0 [pid 4284] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4283] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4282] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4289] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4288] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4287] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4286] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4284] <... futex resumed>) = 0 [pid 4282] <... futex resumed>) = 0 [pid 4289] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4288] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4287] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4286] <... unlinkat resumed>) = 0 [pid 4284] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4282] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... restart_syscall resumed>) = 0 [pid 4289] <... futex resumed>) = 1 [pid 4288] <... mmap resumed>) = 0x7f85c0c15000 [pid 4287] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4286] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4283] <... futex resumed>) = 0 [pid 4289] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4288] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4287] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4286] <... futex resumed>) = 0 [pid 4284] exit_group(0 [pid 4283] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4289] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4288] <... mprotect resumed>) = 0 [pid 4287] <... futex resumed>) = 1 [pid 4284] <... exit_group resumed>) = ? [pid 4283] <... futex resumed>) = 0 [pid 4282] <... futex resumed>) = 0 [pid 4289] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4288] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4287] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4286] +++ exited with 0 +++ [pid 4288] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4288] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[4290]}, 88) = 4290 [pid 4288] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4284] +++ exited with 0 +++ [pid 4288] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4283] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4282] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4289] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4288] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4287] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4282] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4284, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4289] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4287] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4282] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4289] <... futex resumed>) = 1 [pid 4283] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4290 attached [pid 4287] <... mkdirat resumed>) = 0 [pid 4290] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4290] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4290] mkdirat(AT_FDCWD, "./config", 0777 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4289] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4287] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4283] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4291 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 4291 attached [pid 4290] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4289] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4287] <... futex resumed>) = 1 [pid 4283] <... futex resumed>) = 0 [pid 4282] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4290] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4288] <... futex resumed>) = 0 [pid 4288] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4283] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4282] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4287] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4289] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4283] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4282] <... futex resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4292 [pid 4289] <... futex resumed>) = 0 [pid 4287] <... symlinkat resumed>) = 0 [pid 4283] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4282] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4290] <... futex resumed>) = 1 [pid 4289] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4288] <... futex resumed>) = 0 [pid 4287] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4283] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4282] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4289] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4288] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4287] <... futex resumed>) = 0 [pid 4283] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4282] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4292 attached [pid 4290] mount(NULL, "./config", "configfs", 0, NULL [pid 4289] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4287] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4283] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4282] <... futex resumed>) = 0 [pid 4289] <... futex resumed>) = 0 [pid 4290] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4289] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4287] <... unlinkat resumed>) = 0 [pid 4283] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4282] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4289] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4287] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4283] <... futex resumed>) = 0 [pid 4282] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4289] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4287] <... futex resumed>) = 0 [pid 4283] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4282] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4289] <... futex resumed>) = 0 [pid 4287] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4283] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4282] <... futex resumed>) = 0 [pid 4289] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4290] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4289] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4287] <... unlinkat resumed>) = 0 [pid 4283] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4282] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4289] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4287] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4283] <... futex resumed>) = 0 [pid 4282] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4289] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4287] <... futex resumed>) = 0 [pid 4283] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4289] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4287] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4282] exit_group(0 [pid 4289] <... futex resumed>) = 0 [pid 4283] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4289] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4287] <... futex resumed>) = ? [pid 4282] <... exit_group resumed>) = ? [pid 4283] exit_group(0 [pid 4287] +++ exited with 0 +++ [pid 4288] <... futex resumed>) = 0 [pid 4288] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4288] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4290] <... futex resumed>) = 1 [pid 4290] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4290] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4288] <... futex resumed>) = 0 [pid 4282] +++ exited with 0 +++ [pid 4289] <... futex resumed>) = ? [pid 4288] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4283] <... exit_group resumed>) = ? [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4282, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4289] +++ exited with 0 +++ [pid 4288] <... futex resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4288] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4290] <... futex resumed>) = 1 [pid 4290] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4290] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4288] <... futex resumed>) = 0 [pid 4290] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4288] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4290] <... mkdirat resumed>) = 0 [pid 4288] <... futex resumed>) = 0 [pid 4283] +++ exited with 0 +++ [pid 4290] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4288] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4290] <... futex resumed>) = 0 [pid 4288] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] <... restart_syscall resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4283, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4292] set_robust_list(0x5555810c5760, 24 [pid 4290] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4288] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4292] <... set_robust_list resumed>) = 0 [pid 4290] <... symlinkat resumed>) = 0 [pid 4288] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4290] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4288] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4292] rt_sigprocmask(SIG_SETMASK, [] [pid 4290] <... futex resumed>) = 0 [pid 4288] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4290] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4288] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4292] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4290] <... unlinkat resumed>) = 0 [pid 4288] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4293 attached [pid 4290] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4288] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4293 [pid 4292] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4290] <... futex resumed>) = 0 [pid 4288] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4291] set_robust_list(0x5555810c5760, 24 [pid 4290] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4288] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4293] set_robust_list(0x5555810c5760, 24 [pid 4292] <... prctl resumed>) = 0 [pid 4291] <... set_robust_list resumed>) = 0 [pid 4290] <... unlinkat resumed>) = 0 [pid 4288] <... futex resumed>) = 0 [pid 4293] <... set_robust_list resumed>) = 0 [pid 4292] setpgid(0, 0 [pid 4291] rt_sigprocmask(SIG_SETMASK, [] [pid 4290] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4288] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4291] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4290] <... futex resumed>) = 0 [pid 4288] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4292] <... setpgid resumed>) = 0 [pid 4291] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4290] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4288] exit_group(0 [pid 4293] rt_sigprocmask(SIG_SETMASK, [] [pid 4291] <... prctl resumed>) = 0 [pid 4290] <... futex resumed>) = ? [pid 4288] <... exit_group resumed>) = ? [pid 4293] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4291] setpgid(0, 0 [pid 4290] +++ exited with 0 +++ [pid 4288] +++ exited with 0 +++ [pid 312] <... restart_syscall resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4288, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4291] <... setpgid resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4292] <... openat resumed>) = 3 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4292] write(3, "1000", 4 [pid 4291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4292] <... write resumed>) = 4 [pid 4293] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4291] <... openat resumed>) = 3 [pid 4292] close(3ci2-android-5-15/strace-static-x86_64: Process 4294 attached [pid 4291] write(3, "1000", 4 [pid 4292] <... close resumed>) = 0 [pid 4294] set_robust_list(0x5555810c5760, 24 [pid 4291] <... write resumed>) = 4 [pid 4292] write(1, "executing program\n", 18 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4294 [pid 4294] <... set_robust_list resumed>) = 0 [pid 4292] <... write resumed>) = 18 [pid 4291] close(3 executing program [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4294] rt_sigprocmask(SIG_SETMASK, [] [pid 4293] <... prctl resumed>) = 0 [pid 4292] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4291] <... close resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4292] <... futex resumed>) = 0 [pid 4292] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4292] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4293] setpgid(0, 0 [pid 4292] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4293] <... setpgid resumed>) = 0 [pid 4292] <... mmap resumed>) = 0x7f85c0c15000 [pid 4293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4292] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4291] write(1, "executing program\n", 18 [pid 4294] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4292] <... mprotect resumed>) = 0 executing program [pid 4293] <... openat resumed>) = 3 [pid 4292] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4291] <... write resumed>) = 18 [pid 4292] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4292] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4291] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4293] write(3, "1000", 4 [pid 4291] <... futex resumed>) = 0 [pid 4293] <... write resumed>) = 4 [pid 4292] <... clone3 resumed> => {parent_tid=[4295]}, 88) = 4295 [pid 4291] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4292] rt_sigprocmask(SIG_SETMASK, [] [pid 4293] close(3 [pid 4292] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4291] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4292] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4293] <... close resumed>) = 0 [pid 4292] <... futex resumed>) = 0 [pid 4291] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4292] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4293] write(1, "executing program\n", 18 [pid 4291] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4293] <... write resumed>) = 18 executing program [pid 4293] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4294] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4291] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4293] <... futex resumed>) = 0 [pid 4293] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4293] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4293] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4294] <... prctl resumed>) = 0 [pid 4293] <... mmap resumed>) = 0x7f85c0c15000 [pid 4291] <... mmap resumed>) = 0x7f85c0c15000 [pid 4294] setpgid(0, 0 [pid 4293] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4293] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4293] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[4296]}, 88) = 4296 [pid 4294] <... setpgid resumed>) = 0 [pid 4293] rt_sigprocmask(SIG_SETMASK, [] [pid 4291] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4293] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4293] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4293] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4295 attached [pid 4295] set_robust_list(0x7f85c0c359a0, 24 [pid 4291] <... mprotect resumed>) = 0 [pid 4295] <... set_robust_list resumed>) = 0 [pid 4294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4291] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4295] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4294] <... openat resumed>) = 3 [pid 4291] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4295] mkdirat(AT_FDCWD, "./config", 0777 [pid 4294] write(3, "1000", 4 [pid 4291] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4295] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4295] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4292] <... futex resumed>) = 0 [pid 4294] <... write resumed>) = 4 [pid 4292] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4294] close(3 [pid 4291] <... clone3 resumed> => {parent_tid=[4297]}, 88) = 4297 [pid 4292] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4294] <... close resumed>) = 0 [pid 4291] rt_sigprocmask(SIG_SETMASK, [] [pid 4295] mount(NULL, "./config", "configfs", 0, NULL [pid 4294] write(1, "executing program\n", 18 [pid 4291] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program ci2-android-5-15/strace-static-x86_64: Process 4297 attached [pid 4295] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4294] <... write resumed>) = 18 [pid 4291] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4295] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4291] <... futex resumed>) = 0 [pid 4294] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4291] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4295] <... futex resumed>) = 1 [pid 4294] <... futex resumed>) = 0 [pid 4292] <... futex resumed>) = 0 [pid 4295] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4294] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4292] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4295] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4294] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4292] <... futex resumed>) = 0 [pid 4294] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4292] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4297] set_robust_list(0x7f85c0c359a0, 24 [pid 4294] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4294] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4294] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4295] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... restart_syscall resumed>) = 0 [pid 4294] <... mprotect resumed>) = 0 [pid 4295] <... futex resumed>) = 1 [pid 4292] <... futex resumed>) = 0 [pid 4294] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4292] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4294] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4292] <... futex resumed>) = 0 [pid 4294] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4292] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4295] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4295] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4295] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4292] <... futex resumed>) = 0 [pid 4295] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4292] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4296 attached [pid 4295] <... mkdirat resumed>) = 0 [pid 4294] <... clone3 resumed> => {parent_tid=[4298]}, 88) = 4298 [pid 4292] <... futex resumed>) = 0 [pid 4296] set_robust_list(0x7f85c0c359a0, 24 [pid 4295] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4294] rt_sigprocmask(SIG_SETMASK, [] [pid 4292] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4299 [pid 4297] <... set_robust_list resumed>) = 0 [pid 4296] <... set_robust_list resumed>) = 0 [pid 4295] <... futex resumed>) = 0 [pid 4294] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4292] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4296] rt_sigprocmask(SIG_SETMASK, [] [pid 4295] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4294] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4292] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4297] rt_sigprocmask(SIG_SETMASK, [] [pid 4296] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4294] <... futex resumed>) = 0 [pid 4292] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4296] mkdirat(AT_FDCWD, "./config", 0777 [pid 4295] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4294] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4292] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4297] mkdirat(AT_FDCWD, "./config", 0777 [pid 4296] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4295] <... symlinkat resumed>) = 0 [pid 4296] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4295] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4297] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4296] <... futex resumed>) = 1 [pid 4295] <... futex resumed>) = 1 [pid 4293] <... futex resumed>) = 0 [pid 4292] <... futex resumed>) = 0 [pid 4296] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4295] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4293] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4292] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4297] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4296] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4293] <... futex resumed>) = 0 [pid 4292] <... futex resumed>) = 0 [pid 4291] <... futex resumed>) = 0 [pid 4297] <... futex resumed>) = 1 ci2-android-5-15/strace-static-x86_64: Process 4299 attached ci2-android-5-15/strace-static-x86_64: Process 4298 attached [pid 4296] mount(NULL, "./config", "configfs", 0, NULL [pid 4295] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4293] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4292] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4291] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4299] set_robust_list(0x5555810c5760, 24 [pid 4298] set_robust_list(0x7f85c0c359a0, 24 [pid 4297] mount(NULL, "./config", "configfs", 0, NULL [pid 4296] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4295] <... unlinkat resumed>) = 0 [pid 4291] <... futex resumed>) = 0 [pid 4296] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4295] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4291] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4299] <... set_robust_list resumed>) = 0 [pid 4297] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4296] <... futex resumed>) = 1 [pid 4295] <... futex resumed>) = 1 [pid 4293] <... futex resumed>) = 0 [pid 4292] <... futex resumed>) = 0 [pid 4299] rt_sigprocmask(SIG_SETMASK, [] [pid 4298] <... set_robust_list resumed>) = 0 [pid 4297] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4296] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4295] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4293] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4292] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4299] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4297] <... futex resumed>) = 1 [pid 4296] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4293] <... futex resumed>) = 0 [pid 4292] <... futex resumed>) = 0 [pid 4291] <... futex resumed>) = 0 [pid 4299] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4297] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4296] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4295] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4293] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4298] rt_sigprocmask(SIG_SETMASK, [] [pid 4292] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4291] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4299] <... prctl resumed>) = 0 [pid 4297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4296] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4295] <... unlinkat resumed>) = 0 [pid 4291] <... futex resumed>) = 0 [pid 4298] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4299] setpgid(0, 0 [pid 4297] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4296] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4295] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4291] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4299] <... setpgid resumed>) = 0 [pid 4298] mkdirat(AT_FDCWD, "./config", 0777 [pid 4297] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4296] <... futex resumed>) = 1 [pid 4295] <... futex resumed>) = 1 [pid 4293] <... futex resumed>) = 0 [pid 4292] <... futex resumed>) = 0 [pid 4299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4298] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4297] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4296] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4295] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4293] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4292] exit_group(0 [pid 4299] <... openat resumed>) = 3 [pid 4298] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4297] <... futex resumed>) = 1 [pid 4296] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4295] <... futex resumed>) = ? [pid 4293] <... futex resumed>) = 0 [pid 4292] <... exit_group resumed>) = ? [pid 4291] <... futex resumed>) = 0 [pid 4299] write(3, "1000", 4 [pid 4298] <... futex resumed>) = 1 [pid 4297] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4296] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4295] +++ exited with 0 +++ [pid 4294] <... futex resumed>) = 0 [pid 4293] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4292] +++ exited with 0 +++ [pid 4291] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4299] <... write resumed>) = 4 [pid 4298] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4296] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4294] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4291] <... futex resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4292, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4299] close(3 [pid 4298] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4297] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4296] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4294] <... futex resumed>) = 0 [pid 4291] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4299] <... close resumed>) = 0 [pid 4298] mount(NULL, "./config", "configfs", 0, NULL [pid 4297] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4296] <... futex resumed>) = 1 [pid 4294] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4293] <... futex resumed>) = 0 [pid 4299] write(1, "executing program\n", 18 [pid 4298] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4297] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4296] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL executing program [pid 4293] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4299] <... write resumed>) = 18 [pid 4298] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4297] <... futex resumed>) = 1 [pid 4296] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4293] <... futex resumed>) = 0 [pid 4291] <... futex resumed>) = 0 [pid 4299] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4298] <... futex resumed>) = 1 [pid 4297] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4296] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4294] <... futex resumed>) = 0 [pid 4293] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4291] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4299] <... futex resumed>) = 0 [pid 4298] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4296] <... mkdirat resumed>) = 0 [pid 4294] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4291] <... futex resumed>) = 0 [pid 4299] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4298] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4297] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4296] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4294] <... futex resumed>) = 0 [pid 4291] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4299] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4298] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4297] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4296] <... futex resumed>) = 1 [pid 4294] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4293] <... futex resumed>) = 0 [pid 4299] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4298] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4297] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4296] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4293] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4299] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4298] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4297] <... futex resumed>) = 1 [pid 4296] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4293] <... futex resumed>) = 0 [pid 4291] <... futex resumed>) = 0 [pid 4299] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4298] <... futex resumed>) = 1 [pid 4297] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4296] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4294] <... futex resumed>) = 0 [pid 4293] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4291] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4299] <... mmap resumed>) = 0x7f85c0c15000 [pid 4298] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4296] <... symlinkat resumed>) = 0 [pid 4294] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4291] <... futex resumed>) = 0 [pid 4299] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4298] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4297] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4296] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4294] <... futex resumed>) = 0 [pid 4291] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4299] <... mprotect resumed>) = 0 [pid 4298] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4297] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4296] <... futex resumed>) = 1 [pid 4294] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4293] <... futex resumed>) = 0 [pid 4299] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4298] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4297] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4296] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4293] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4299] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4298] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4297] <... futex resumed>) = 1 [pid 4296] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4293] <... futex resumed>) = 0 [pid 4291] <... futex resumed>) = 0 [pid 4299] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4298] <... futex resumed>) = 1 [pid 4297] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4296] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4294] <... futex resumed>) = 0 [pid 4293] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4291] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4298] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4296] <... unlinkat resumed>) = 0 [pid 4294] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4291] <... futex resumed>) = 0 [pid 4299] <... clone3 resumed> => {parent_tid=[4300]}, 88) = 4300 [pid 4298] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4297] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4296] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4294] <... futex resumed>) = 0 [pid 4291] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4299] rt_sigprocmask(SIG_SETMASK, [] [pid 4298] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4297] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4296] <... futex resumed>) = 1 [pid 4294] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4293] <... futex resumed>) = 0 [pid 4299] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4298] <... futex resumed>) = 0 [pid 4297] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4296] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4293] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4299] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4298] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4297] <... futex resumed>) = 1 [pid 4296] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4294] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4293] <... futex resumed>) = 0 [pid 4291] <... futex resumed>) = 0 [pid 4299] <... futex resumed>) = 0 [pid 4298] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4297] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4296] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4294] <... futex resumed>) = 0 [pid 4293] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4291] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... restart_syscall resumed>) = 0 [pid 4299] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4298] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4296] <... unlinkat resumed>) = 0 [pid 4296] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4294] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4291] <... futex resumed>) = 0 [pid 4298] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4297] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4296] <... futex resumed>) = 1 [pid 4293] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4300 attached [pid 4298] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4297] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4296] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4293] exit_group(0 [pid 4291] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4300] set_robust_list(0x7f85c0c359a0, 24 [pid 4298] <... futex resumed>) = 1 [pid 4297] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4296] <... futex resumed>) = ? [pid 4294] <... futex resumed>) = 0 [pid 4293] <... exit_group resumed>) = ? [pid 4291] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4300] <... set_robust_list resumed>) = 0 [pid 4298] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4297] <... futex resumed>) = 0 [pid 4296] +++ exited with 0 +++ [pid 4294] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4293] +++ exited with 0 +++ [pid 4291] exit_group(0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4298] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4294] <... futex resumed>) = 0 [pid 4291] <... exit_group resumed>) = ? [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4298] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4297] +++ exited with 0 +++ [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4293, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4294] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4300] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4300] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4300] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4291] +++ exited with 0 +++ [pid 4300] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4299] <... futex resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4291, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4299] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4298] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4301 ci2-android-5-15/strace-static-x86_64: Process 4301 attached [pid 4299] <... futex resumed>) = 1 [pid 4298] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4299] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4301] set_robust_list(0x5555810c5760, 24 [pid 4298] <... futex resumed>) = 1 [pid 4294] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4301] <... set_robust_list resumed>) = 0 [pid 4298] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4294] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4298] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4294] <... futex resumed>) = 0 [pid 4298] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4294] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4301] rt_sigprocmask(SIG_SETMASK, [] [pid 4298] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4301] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4298] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4301] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4300] <... futex resumed>) = 0 [pid 4298] <... futex resumed>) = 1 [pid 4294] <... futex resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 4300] mount(NULL, "./config", "configfs", 0, NULL [pid 4298] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4294] exit_group(0 [pid 4300] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4294] <... exit_group resumed>) = ? [pid 4300] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4298] <... futex resumed>) = ? [pid 4300] <... futex resumed>) = 1 [pid 4299] <... futex resumed>) = 0 [pid 4300] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4299] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4300] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4299] <... futex resumed>) = 0 [pid 4300] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4299] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4300] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4300] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4299] <... futex resumed>) = 0 [pid 4300] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4299] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4298] +++ exited with 0 +++ [pid 4294] +++ exited with 0 +++ [pid 4300] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4299] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4300] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4299] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4301] <... prctl resumed>) = 0 [pid 4300] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4294, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4301] setpgid(0, 0 [pid 4300] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4300] <... futex resumed>) = 1 [pid 4299] <... futex resumed>) = 0 [pid 4300] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4299] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4300] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4299] <... futex resumed>) = 0 [pid 4300] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4299] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4301] <... setpgid resumed>) = 0 [pid 4300] <... mkdirat resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4302 [pid 4300] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4299] <... futex resumed>) = 0 [pid 4301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4300] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4299] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4300] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4299] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4301] <... openat resumed>) = 3 [pid 4300] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4299] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4302 attached [pid 4301] write(3, "1000", 4 [pid 4300] <... symlinkat resumed>) = 0 [pid 4300] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4301] <... write resumed>) = 4 [pid 4300] <... futex resumed>) = 1 [pid 4299] <... futex resumed>) = 0 [pid 4300] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4299] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4301] close(3 [pid 4300] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4299] <... futex resumed>) = 0 [pid 4302] set_robust_list(0x5555810c5760, 24 [pid 4301] <... close resumed>) = 0 [pid 4300] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4299] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4300] <... unlinkat resumed>) = 0 [pid 4301] write(1, "executing program\n", 18 [pid 4300] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4302] <... set_robust_list resumed>) = 0 [pid 4300] <... futex resumed>) = 1 [pid 4299] <... futex resumed>) = 0 [pid 4301] <... write resumed>) = 18 executing program [pid 4300] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4299] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4300] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4299] <... futex resumed>) = 0 [pid 4300] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4299] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4301] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4300] <... unlinkat resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4301] <... futex resumed>) = 0 [pid 4300] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4301] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4300] <... futex resumed>) = 1 [pid 4299] <... futex resumed>) = 0 [pid 4301] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4300] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4299] exit_group(0 [pid 4302] rt_sigprocmask(SIG_SETMASK, [] [pid 4301] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4300] <... futex resumed>) = ? [pid 4299] <... exit_group resumed>) = ? [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4302] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4301] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4300] +++ exited with 0 +++ [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 4303 attached [pid 4302] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4301] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4299] +++ exited with 0 +++ [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4303] set_robust_list(0x5555810c5760, 24 [pid 4302] <... prctl resumed>) = 0 [pid 4301] <... mmap resumed>) = 0x7f85c0c15000 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4303 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4299, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4303] <... set_robust_list resumed>) = 0 [pid 4302] setpgid(0, 0 [pid 4301] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4304 attached [pid 4303] rt_sigprocmask(SIG_SETMASK, [] [pid 4302] <... setpgid resumed>) = 0 [pid 4301] <... mprotect resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4304] set_robust_list(0x5555810c5760, 24 [pid 4303] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4301] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4304 [pid 4302] <... openat resumed>) = 3 [pid 4301] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4304] <... set_robust_list resumed>) = 0 [pid 4303] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4302] write(3, "1000", 4 [pid 4301] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4303] <... prctl resumed>) = 0 [pid 4302] <... write resumed>) = 4 ci2-android-5-15/strace-static-x86_64: Process 4305 attached [pid 4304] rt_sigprocmask(SIG_SETMASK, [] [pid 4303] setpgid(0, 0 [pid 4302] close(3 [pid 4304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4303] <... setpgid resumed>) = 0 [pid 4302] <... close resumed>) = 0 [pid 4302] write(1, "executing program\n", 18 [pid 4301] <... clone3 resumed> => {parent_tid=[4305]}, 88) = 4305 executing program [pid 4303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4304] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4302] <... write resumed>) = 18 [pid 4301] rt_sigprocmask(SIG_SETMASK, [] [pid 4304] <... prctl resumed>) = 0 [pid 4303] <... openat resumed>) = 3 [pid 4302] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4301] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4304] setpgid(0, 0 [pid 4303] write(3, "1000", 4 [pid 4302] <... futex resumed>) = 0 [pid 4301] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4305] set_robust_list(0x7f85c0c359a0, 24 [pid 4304] <... setpgid resumed>) = 0 [pid 4303] <... write resumed>) = 4 [pid 4302] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4301] <... futex resumed>) = 0 [pid 4303] close(3 [pid 4302] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4301] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4305] <... set_robust_list resumed>) = 0 [pid 4304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4303] <... close resumed>) = 0 [pid 4302] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4303] write(1, "executing program\n", 18 [pid 4302] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4305] rt_sigprocmask(SIG_SETMASK, [] [pid 4304] <... openat resumed>) = 3 executing program [pid 4303] <... write resumed>) = 18 [pid 4302] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4304] write(3, "1000", 4 [pid 4303] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4304] <... write resumed>) = 4 [pid 4302] <... mmap resumed>) = 0x7f85c0c15000 [pid 4303] <... futex resumed>) = 0 [pid 4304] close(3 [pid 4303] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4302] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4305] mkdirat(AT_FDCWD, "./config", 0777 [pid 4304] <... close resumed>) = 0 [pid 4303] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4304] write(1, "executing program\n", 18 [pid 4303] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4302] <... mprotect resumed>) = 0 [pid 4305] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4304] <... write resumed>) = 18 [pid 4303] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 4302] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4304] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4305] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4303] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4304] <... futex resumed>) = 0 [pid 4302] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4305] <... futex resumed>) = 1 [pid 4304] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4303] <... mmap resumed>) = 0x7f85c0c15000 [pid 4302] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4301] <... futex resumed>) = 0 [pid 4305] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4304] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4303] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4301] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4304] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4303] <... mprotect resumed>) = 0 [pid 4302] <... clone3 resumed> => {parent_tid=[4306]}, 88) = 4306 [pid 4301] <... futex resumed>) = 0 [pid 4305] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4303] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4305] mount(NULL, "./config", "configfs", 0, NULL [pid 4304] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4303] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4302] rt_sigprocmask(SIG_SETMASK, [] [pid 4301] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4304] <... mmap resumed>) = 0x7f85c0c15000 [pid 4303] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4302] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4305] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4304] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITEci2-android-5-15/strace-static-x86_64: Process 4306 attached [pid 4302] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4305] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4304] <... mprotect resumed>) = 0 [pid 4303] <... clone3 resumed> => {parent_tid=[4307]}, 88) = 4307 [pid 4302] <... futex resumed>) = 0 [pid 4306] set_robust_list(0x7f85c0c359a0, 24 [pid 4302] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4303] rt_sigprocmask(SIG_SETMASK, [] [pid 4305] <... futex resumed>) = 1 [pid 4304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4301] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4307 attached [pid 4306] <... set_robust_list resumed>) = 0 [pid 4305] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4303] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4301] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4305] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4304] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4303] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4301] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4308 attached [pid 4307] set_robust_list(0x7f85c0c359a0, 24 [pid 4306] rt_sigprocmask(SIG_SETMASK, [] [pid 4305] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4303] <... futex resumed>) = 0 [pid 4301] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4308] set_robust_list(0x7f85c0c359a0, 24 [pid 4306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4305] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4304] <... clone3 resumed> => {parent_tid=[4308]}, 88) = 4308 [pid 4303] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4308] <... set_robust_list resumed>) = 0 [pid 4305] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4304] rt_sigprocmask(SIG_SETMASK, [] [pid 4306] mkdirat(AT_FDCWD, "./config", 0777 [pid 4308] rt_sigprocmask(SIG_SETMASK, [] [pid 4305] <... futex resumed>) = 1 [pid 4304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4301] <... futex resumed>) = 0 [pid 4308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4306] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4305] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4304] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4301] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4306] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4305] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4304] <... futex resumed>) = 0 [pid 4301] <... futex resumed>) = 0 [pid 4308] mkdirat(AT_FDCWD, "./config", 0777 [pid 4304] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4301] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4308] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4306] <... futex resumed>) = 1 [pid 4305] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4302] <... futex resumed>) = 0 [pid 4308] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4306] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4305] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 305] <... restart_syscall resumed>) = 0 [pid 4308] <... futex resumed>) = 1 [pid 4306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4305] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4304] <... futex resumed>) = 0 [pid 4302] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4308] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4306] mount(NULL, "./config", "configfs", 0, NULL [pid 4305] <... futex resumed>) = 1 [pid 4304] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4302] <... futex resumed>) = 0 [pid 4301] <... futex resumed>) = 0 [pid 4308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4305] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4304] <... futex resumed>) = 0 [pid 4302] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4301] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4308] mount(NULL, "./config", "configfs", 0, NULL [pid 4306] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4305] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4304] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4301] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4308] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4306] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4305] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4301] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4308] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4306] <... futex resumed>) = 1 [pid 4302] <... futex resumed>) = 0 [pid 4307] <... set_robust_list resumed>) = 0 [pid 4305] <... mkdirat resumed>) = 0 [pid 4302] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4308] <... futex resumed>) = 1 [pid 4306] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4305] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4304] <... futex resumed>) = 0 [pid 4302] <... futex resumed>) = 0 [pid 4307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4307] mkdirat(AT_FDCWD, "./config", 0777 [pid 4304] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4302] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4305] <... futex resumed>) = 1 [pid 4308] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4306] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4304] <... futex resumed>) = 0 [pid 4305] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4301] <... futex resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4309 [pid 4308] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4306] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4304] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4301] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4308] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4306] <... futex resumed>) = 1 [pid 4304] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4302] <... futex resumed>) = 0 [pid 4301] <... futex resumed>) = 1 [pid 4305] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4308] <... futex resumed>) = 0 [pid 4306] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4305] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4304] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4302] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4301] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4308] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4305] <... symlinkat resumed>) = 0 [pid 4308] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4305] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4304] <... futex resumed>) = 0 [pid 4306] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4302] <... futex resumed>) = 0 [pid 4308] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4305] <... futex resumed>) = 1 [pid 4304] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4302] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4306] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4301] <... futex resumed>) = 0 [pid 4308] <... futex resumed>) = 0 [pid 4306] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4305] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4304] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4301] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4308] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4306] <... futex resumed>) = 1 [pid 4305] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4304] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4302] <... futex resumed>) = 0 [pid 4301] <... futex resumed>) = 0 [pid 4308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4306] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4305] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4304] <... futex resumed>) = 0 [pid 4302] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4301] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4308] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4305] <... unlinkat resumed>) = 0 [pid 4304] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4308] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4306] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4305] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4302] <... futex resumed>) = 0 [pid 4308] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4305] <... futex resumed>) = 1 [pid 4302] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4301] <... futex resumed>) = 0 [pid 4306] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4308] <... futex resumed>) = 1 [pid 4306] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4305] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4304] <... futex resumed>) = 0 [pid 4301] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4308] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4306] <... futex resumed>) = 1 [pid 4305] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4304] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4302] <... futex resumed>) = 0 [pid 4301] <... futex resumed>) = 0 [pid 4308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4306] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4305] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4304] <... futex resumed>) = 0 [pid 4302] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4301] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4308] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4305] <... unlinkat resumed>) = 0 [pid 4304] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4302] <... futex resumed>) = 0 [pid 4306] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4305] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4302] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4308] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4305] <... futex resumed>) = 1 [pid 4301] <... futex resumed>) = 0 [pid 4308] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4306] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4305] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4308] <... futex resumed>) = 1 [pid 4306] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4304] <... futex resumed>) = 0 [pid 4301] exit_group(0 [pid 4308] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4306] <... futex resumed>) = 1 [pid 4304] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4302] <... futex resumed>) = 0 [pid 4301] <... exit_group resumed>) = ? [pid 4308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4306] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4305] <... futex resumed>) = ? [pid 4304] <... futex resumed>) = 0 [pid 4302] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4304] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4307] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4305] +++ exited with 0 +++ [pid 4301] +++ exited with 0 +++ [pid 4308] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4302] <... futex resumed>) = 0 [pid 4306] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4302] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4301, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4308] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4306] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4308] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4306] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4304] <... futex resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 4308] <... futex resumed>) = 1 [pid 4306] <... futex resumed>) = 1 [pid 4304] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4302] <... futex resumed>) = 0 [pid 4308] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4306] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4304] <... futex resumed>) = 0 [pid 4302] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4308] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4304] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4308] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4306] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4302] <... futex resumed>) = 0 [pid 4304] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4308] <... futex resumed>) = 0 [pid 4302] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4308] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4306] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4304] exit_group(0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4308] <... futex resumed>) = ? [pid 4306] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4304] <... exit_group resumed>) = ? [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4308] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 4309 attached [pid 4307] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4304] +++ exited with 0 +++ [pid 4309] set_robust_list(0x5555810c5760, 24 [pid 4307] <... futex resumed>) = 1 ci2-android-5-15/strace-static-x86_64: Process 4310 attached [pid 4309] <... set_robust_list resumed>) = 0 [pid 4307] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4306] <... futex resumed>) = 1 [pid 4303] <... futex resumed>) = 0 [pid 4302] <... futex resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4304, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4310] set_robust_list(0x5555810c5760, 24 [pid 4309] rt_sigprocmask(SIG_SETMASK, [] [pid 4306] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4303] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4302] exit_group(0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4310 [pid 4307] <... futex resumed>) = 0 [pid 4306] <... futex resumed>) = ? [pid 4303] <... futex resumed>) = 1 [pid 4302] <... exit_group resumed>) = ? [pid 4307] mount(NULL, "./config", "configfs", 0, NULL [pid 4306] +++ exited with 0 +++ [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4303] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4307] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4307] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4307] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4302] +++ exited with 0 +++ [pid 4303] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4302, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4303] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4307] <... futex resumed>) = 0 [pid 4303] <... futex resumed>) = 1 [pid 311] <... restart_syscall resumed>) = 0 [pid 4307] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4303] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4307] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4307] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4303] <... futex resumed>) = 0 [pid 4307] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4303] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4303] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4307] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4303] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4310] <... set_robust_list resumed>) = 0 [pid 4309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4307] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4307] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4303] <... futex resumed>) = 0 [pid 4307] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4303] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4303] <... futex resumed>) = 0 [pid 4307] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4303] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4307] <... mkdirat resumed>) = 0 [pid 4307] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4311 [pid 4307] <... futex resumed>) = 1 [pid 4303] <... futex resumed>) = 0 [pid 4309] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4307] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4303] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4303] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4309] <... prctl resumed>) = 0 [pid 4307] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4303] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4311 attached [pid 4310] rt_sigprocmask(SIG_SETMASK, [] [pid 4309] setpgid(0, 0 [pid 4307] <... symlinkat resumed>) = 0 [pid 4307] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4309] <... setpgid resumed>) = 0 [pid 4307] <... futex resumed>) = 1 [pid 4303] <... futex resumed>) = 0 [pid 4307] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4303] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4311] set_robust_list(0x5555810c5760, 24 [pid 4310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4303] <... futex resumed>) = 0 [pid 4307] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4303] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4311] <... set_robust_list resumed>) = 0 [pid 4310] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4309] <... openat resumed>) = 3 [pid 4307] <... unlinkat resumed>) = 0 [pid 4307] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4310] <... prctl resumed>) = 0 [pid 4309] write(3, "1000", 4 [pid 4307] <... futex resumed>) = 1 [pid 4303] <... futex resumed>) = 0 [pid 4311] rt_sigprocmask(SIG_SETMASK, [] [pid 4310] setpgid(0, 0 [pid 4309] <... write resumed>) = 4 [pid 4307] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4303] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4310] <... setpgid resumed>) = 0 [pid 4309] close(3 [pid 4307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4303] <... futex resumed>) = 0 [pid 4307] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4303] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4309] <... close resumed>) = 0 [pid 4307] <... unlinkat resumed>) = 0 [pid 4307] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4309] write(1, "executing program\n", 18 [pid 4307] <... futex resumed>) = 1 [pid 4303] <... futex resumed>) = 0 [pid 4310] <... openat resumed>) = 3 [pid 4307] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4303] exit_group(0 [pid 4309] <... write resumed>) = 18 [pid 4307] <... futex resumed>) = ? executing program [pid 4303] <... exit_group resumed>) = ? [pid 4311] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4310] write(3, "1000", 4 [pid 4309] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4307] +++ exited with 0 +++ [pid 4303] +++ exited with 0 +++ [pid 4310] <... write resumed>) = 4 [pid 4309] <... futex resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4311] <... prctl resumed>) = 0 [pid 4310] close(3 [pid 4309] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4303, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4309] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4311] setpgid(0, 0 [pid 4310] <... close resumed>) = 0 [pid 4309] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4310] write(1, "executing program\n", 18 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4309] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4310] <... write resumed>) = 18 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4309] <... mmap resumed>) = 0x7f85c0c15000 [pid 4309] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4310] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4312 executing program [pid 4310] <... futex resumed>) = 0 [pid 4309] <... mprotect resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4312 attached [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4312] set_robust_list(0x5555810c5760, 24 [pid 4309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4310] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4310] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4309] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4312] <... set_robust_list resumed>) = 0 [pid 4312] rt_sigprocmask(SIG_SETMASK, [] [pid 4310] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4309] <... clone3 resumed> => {parent_tid=[4313]}, 88) = 4313 [pid 4312] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4310] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4309] rt_sigprocmask(SIG_SETMASK, [] [pid 4310] <... mmap resumed>) = 0x7f85c0c15000 [pid 4309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4312] <... prctl resumed>) = 0 [pid 4310] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4309] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4311] <... setpgid resumed>) = 0 [pid 4310] <... mprotect resumed>) = 0 [pid 4309] <... futex resumed>) = 0 [pid 4312] setpgid(0, 0 [pid 4310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4309] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4310] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4312] <... setpgid resumed>) = 0 [pid 4312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4311] <... openat resumed>) = 3 [pid 4310] <... clone3 resumed> => {parent_tid=[4314]}, 88) = 4314 [pid 4312] write(3, "1000", 4 [pid 4311] write(3, "1000", 4 [pid 4310] rt_sigprocmask(SIG_SETMASK, [] [pid 4312] <... write resumed>) = 4 [pid 4312] close(3) = 0 [pid 4312] write(1, "executing program\n", 18) = 18 [pid 4312] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4311] <... write resumed>) = 4 [pid 4310] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4311] close(3 [pid 4310] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4311] <... close resumed>) = 0 [pid 4312] <... futex resumed>) = 0 executing program [pid 4311] write(1, "executing program\n", 18 [pid 4312] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4312] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4312] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 executing program [pid 4311] <... write resumed>) = 18 [pid 4312] <... mmap resumed>) = 0x7f85c0c15000 [pid 4312] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4311] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4312] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4311] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4313 attached [pid 4313] set_robust_list(0x7f85c0c359a0, 24 [pid 4311] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4313] <... set_robust_list resumed>) = 0 [pid 4313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4312] <... clone3 resumed> => {parent_tid=[4315]}, 88) = 4315 [pid 4311] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4312] rt_sigprocmask(SIG_SETMASK, [] [pid 4313] mkdirat(AT_FDCWD, "./config", 0777 [pid 4311] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4313] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4313] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4309] <... futex resumed>) = 0 [pid 4311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4312] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4311] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4309] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4311] <... mmap resumed>) = 0x7f85c0c15000 [pid 4309] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4312] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4311] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4313] mount(NULL, "./config", "configfs", 0, NULL [pid 4311] <... mprotect resumed>) = 0 [pid 4313] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4311] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 4314 attached , [], 8) = 0 [pid 4314] set_robust_list(0x7f85c0c359a0, 24 [pid 4313] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4311] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4314] <... set_robust_list resumed>) = 0 [pid 4314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4311] <... clone3 resumed> => {parent_tid=[4316]}, 88) = 4316 [pid 4313] <... futex resumed>) = 1 [pid 4309] <... futex resumed>) = 0 [pid 4311] rt_sigprocmask(SIG_SETMASK, [] [pid 4309] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4313] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4309] <... futex resumed>) = 0 [pid 4309] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4311] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4313] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4311] <... futex resumed>) = 0 [pid 4314] mkdirat(AT_FDCWD, "./config", 0777 [pid 4313] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4311] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4314] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4313] <... futex resumed>) = 1 [pid 4309] <... futex resumed>) = 0 [pid 4314] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4313] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4309] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4314] <... futex resumed>) = 1 [pid 4310] <... futex resumed>) = 0 [pid 4309] <... futex resumed>) = 0 [pid 4313] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4310] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4309] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4314] mount(NULL, "./config", "configfs", 0, NULL [pid 4310] <... futex resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 4313] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4310] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4313] <... futex resumed>) = 1 [pid 4309] <... futex resumed>) = 0 [pid 4309] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4314] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4313] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4309] <... futex resumed>) = 0 [pid 4309] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4314] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4313] <... mkdirat resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4314] <... futex resumed>) = 1 [pid 4314] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 4315 attached [pid 4315] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4315] mkdirat(AT_FDCWD, "./config", 0777 [pid 4310] <... futex resumed>) = 0 [pid 4313] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4315] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4310] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4317 [pid 4313] <... futex resumed>) = 1 [pid 4310] <... futex resumed>) = 1 [pid 4309] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4313] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4310] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4309] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4309] <... futex resumed>) = 0 [pid 4313] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4309] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4314] <... futex resumed>) = 0 [pid 4314] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4313] <... symlinkat resumed>) = 0 [pid 4314] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4314] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4310] <... futex resumed>) = 0 [pid 4313] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4310] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4314] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4310] <... futex resumed>) = 0 [pid 4309] <... futex resumed>) = 0 [pid 4313] <... futex resumed>) = 1 [pid 4310] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4309] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4313] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4309] <... futex resumed>) = 0 [pid 4314] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4309] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4313] <... unlinkat resumed>) = 0 [pid 4314] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4313] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4310] <... futex resumed>) = 0 [pid 4310] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4309] <... futex resumed>) = 0 [pid 4310] <... futex resumed>) = 0 [pid 4313] <... futex resumed>) = 1 [pid 4310] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4313] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4309] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4309] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4315] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4314] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4315] <... futex resumed>) = 1 [pid 4314] <... mkdirat resumed>) = 0 [pid 4313] <... unlinkat resumed>) = 0 [pid 4312] <... futex resumed>) = 0 [pid 4315] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4314] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4313] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4312] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4315] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4314] <... futex resumed>) = 1 [pid 4313] <... futex resumed>) = 1 [pid 4312] <... futex resumed>) = 0 [pid 4310] <... futex resumed>) = 0 [pid 4309] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4316 attached [pid 4315] mount(NULL, "./config", "configfs", 0, NULL [pid 4314] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4313] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4312] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4310] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4316] set_robust_list(0x7f85c0c359a0, 24 [pid 4315] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4314] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4310] <... futex resumed>) = 0 [pid 4309] exit_group(0 [pid 4316] <... set_robust_list resumed>) = 0 [pid 4315] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4314] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4310] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4309] <... exit_group resumed>) = ? [pid 4313] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 4316] rt_sigprocmask(SIG_SETMASK, [] [pid 4315] <... futex resumed>) = 1 [pid 4314] <... symlinkat resumed>) = 0 [pid 4312] <... futex resumed>) = 0 [pid 4316] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4315] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4314] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4316] mkdirat(AT_FDCWD, "./config", 0777 [pid 4315] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4314] <... futex resumed>) = 1 [pid 4312] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4310] <... futex resumed>) = 0 [pid 4316] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4315] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4314] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4312] <... futex resumed>) = 0 [pid 4310] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4316] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4315] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4314] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4313] +++ exited with 0 +++ [pid 4312] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4310] <... futex resumed>) = 0 [pid 4309] +++ exited with 0 +++ [pid 4316] <... futex resumed>) = 1 [pid 4315] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4314] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4311] <... futex resumed>) = 0 [pid 4310] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4316] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4315] <... futex resumed>) = 0 [pid 4314] <... unlinkat resumed>) = 0 [pid 4312] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4311] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4309, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 4317 attached [pid 4316] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4315] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4314] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4312] <... futex resumed>) = 0 [pid 4311] <... futex resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4317] set_robust_list(0x5555810c5760, 24 [pid 4316] mount(NULL, "./config", "configfs", 0, NULL [pid 4315] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4314] <... futex resumed>) = 1 [pid 4312] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4311] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4310] <... futex resumed>) = 0 [pid 4317] <... set_robust_list resumed>) = 0 [pid 4316] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4315] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4314] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4310] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4317] rt_sigprocmask(SIG_SETMASK, [] [pid 4316] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4315] <... futex resumed>) = 0 [pid 4314] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4312] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4310] <... futex resumed>) = 0 [pid 4317] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4316] <... futex resumed>) = 1 [pid 4315] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4314] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4312] <... futex resumed>) = 0 [pid 4311] <... futex resumed>) = 0 [pid 4310] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4317] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4316] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4315] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4314] <... unlinkat resumed>) = 0 [pid 4312] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4311] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... restart_syscall resumed>) = 0 [pid 4317] <... prctl resumed>) = 0 [pid 4316] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4315] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4314] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4311] <... futex resumed>) = 0 [pid 4317] setpgid(0, 0 [pid 4316] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4315] <... futex resumed>) = 0 [pid 4314] <... futex resumed>) = 1 [pid 4312] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4311] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4310] <... futex resumed>) = 0 [pid 4317] <... setpgid resumed>) = 0 [pid 4316] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4315] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4314] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4312] <... futex resumed>) = 0 [pid 4310] exit_group(0 [pid 4317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4316] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4315] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4312] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4310] <... exit_group resumed>) = ? [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4314] <... futex resumed>) = ? [pid 4317] <... openat resumed>) = 3 [pid 4316] <... futex resumed>) = 1 [pid 4315] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4311] <... futex resumed>) = 0 [pid 4317] write(3, "1000", 4 [pid 4316] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4315] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4317] <... write resumed>) = 4 [pid 4315] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4317] close(3) = 0 [pid 4317] write(1, "executing program\n", 18) = 18 [pid 4317] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4314] +++ exited with 0 +++ [pid 4310] +++ exited with 0 +++ executing program [pid 4311] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4312] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4317] <... futex resumed>) = 0 [pid 4316] <... futex resumed>) = 0 [pid 4315] <... futex resumed>) = 0 [pid 4312] <... futex resumed>) = 1 [pid 4311] <... futex resumed>) = 1 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4310, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4317] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4316] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4315] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4312] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4311] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4317] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4316] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4315] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4317] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4316] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4315] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4318 [pid 4317] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4316] <... futex resumed>) = 1 [pid 4315] <... futex resumed>) = 1 [pid 4312] <... futex resumed>) = 0 [pid 4311] <... futex resumed>) = 0 [pid 4317] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4316] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4315] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4312] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 4318 attached [pid 4317] <... mmap resumed>) = 0x7f85c0c15000 [pid 4316] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4315] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4312] <... futex resumed>) = 0 [pid 4311] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4317] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4316] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4315] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4312] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4311] <... futex resumed>) = 0 [pid 4318] set_robust_list(0x5555810c5760, 24 [pid 4317] <... mprotect resumed>) = 0 [pid 4316] <... mkdirat resumed>) = 0 [pid 4315] <... unlinkat resumed>) = 0 [pid 4311] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4317] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4316] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4315] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4311] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4317] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4316] <... futex resumed>) = 0 [pid 4315] <... futex resumed>) = 1 [pid 4312] <... futex resumed>) = 0 [pid 4311] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4317] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4316] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4315] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4312] exit_group(0 [pid 4311] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4319 attached [pid 4318] <... set_robust_list resumed>) = 0 [pid 4316] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4317] <... clone3 resumed> => {parent_tid=[4319]}, 88) = 4319 [pid 4316] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4317] rt_sigprocmask(SIG_SETMASK, [] [pid 4316] <... futex resumed>) = 0 [pid 4317] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4316] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4317] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4317] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4315] <... futex resumed>) = ? [pid 4312] <... exit_group resumed>) = ? [pid 4311] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... restart_syscall resumed>) = 0 [pid 4318] rt_sigprocmask(SIG_SETMASK, [] [pid 4315] +++ exited with 0 +++ [pid 4311] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4312] +++ exited with 0 +++ [pid 4311] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4312, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4316] <... futex resumed>) = 0 [pid 4311] <... futex resumed>) = 1 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4316] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4311] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4318] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4316] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4316] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4311] <... futex resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4316] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4311] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4318] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4316] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4316] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = -1 ENOENT (No such file or directory) [pid 4316] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4316] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4318] <... prctl resumed>) = 0 [pid 4311] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4320 attached [pid 4318] setpgid(0, 0 [pid 4311] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4320 [pid 4318] <... setpgid resumed>) = 0 [pid 4311] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4311] exit_group(0 [pid 4318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4316] <... futex resumed>) = ? [pid 4311] <... exit_group resumed>) = ? [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4316] +++ exited with 0 +++ [pid 4320] set_robust_list(0x5555810c5760, 24) = 0 [pid 4320] rt_sigprocmask(SIG_SETMASK, [] [pid 4311] +++ exited with 0 +++ [pid 4320] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4311, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4320] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4318] <... openat resumed>) = 3 [pid 4320] <... prctl resumed>) = 0 [pid 4320] setpgid(0, 0 [pid 4318] write(3, "1000", 4 [pid 4320] <... setpgid resumed>) = 0 [pid 4318] <... write resumed>) = 4 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4318] close(3 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4319] set_robust_list(0x7f85c0c359a0, 24 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4318] <... close resumed>) = 0 [pid 4320] <... openat resumed>) = 3 [pid 4320] write(3, "1000", 4) = 4 [pid 4320] close(3 [pid 4318] write(1, "executing program\n", 18 [pid 4320] <... close resumed>) = 0 [pid 4318] <... write resumed>) = 18 executing program [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4321 [pid 4318] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4320] write(1, "executing program\n", 18 [pid 4318] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4320] <... write resumed>) = 18 executing program [pid 4318] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4320] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4320] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4320] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4320] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4320] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4320] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4319] <... set_robust_list resumed>) = 0 [pid 4318] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4318] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4321 attached [pid 4318] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4320] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4319] rt_sigprocmask(SIG_SETMASK, [] [pid 4318] <... mmap resumed>) = 0x7f85c0c15000 [pid 4318] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4321] set_robust_list(0x5555810c5760, 24 [pid 4318] <... mprotect resumed>) = 0 [pid 4321] <... set_robust_list resumed>) = 0 [pid 4318] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4318] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4321] rt_sigprocmask(SIG_SETMASK, [] [pid 4318] <... clone3 resumed> => {parent_tid=[4322]}, 88) = 4322 [pid 4321] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4318] rt_sigprocmask(SIG_SETMASK, [] [pid 4321] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4318] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4319] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4318] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4321] <... prctl resumed>) = 0 [pid 4318] <... futex resumed>) = 0 [pid 4321] setpgid(0, 0 [pid 4318] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4321] <... setpgid resumed>) = 0 [pid 4321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4320] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4319] mkdirat(AT_FDCWD, "./config", 0777 [pid 4321] write(3, "1000", 4) = 4 [pid 4321] close(3) = 0 [pid 4321] write(1, "executing program\n", 18) = 18 [pid 4319] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 306] <... restart_syscall resumed>) = 0 [pid 4321] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4319] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4321] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4319] <... futex resumed>) = 1 [pid 4317] <... futex resumed>) = 0 [pid 4319] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4317] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4317] <... futex resumed>) = 0 [pid 4317] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4321] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4321] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4319] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4320] <... clone3 resumed> => {parent_tid=[4323]}, 88) = 4323 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4324 [pid 4321] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4321] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4319] mount(NULL, "./config", "configfs", 0, NULLci2-android-5-15/strace-static-x86_64: Process 4323 attached [pid 4320] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4321] <... mmap resumed>) = 0x7f85c0c15000 [pid 4321] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4319] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4320] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4321] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4323] set_robust_list(0x7f85c0c359a0, 24 [pid 4320] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4319] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4321] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[4325]}, 88) = 4325 [pid 4320] <... futex resumed>) = 0 [pid 4323] <... set_robust_list resumed>) = 0 [pid 4319] <... futex resumed>) = 1 [pid 4317] <... futex resumed>) = 0 [pid 4321] rt_sigprocmask(SIG_SETMASK, [] [pid 4317] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4320] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4319] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4317] <... futex resumed>) = 0 [pid 4321] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4317] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4319] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4321] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4321] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4322 attached [pid 4322] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4322] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4322] mkdirat(AT_FDCWD, "./config", 0777 [pid 4323] rt_sigprocmask(SIG_SETMASK, [] [pid 4319] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4324 attached [pid 4322] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4322] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4324] set_robust_list(0x5555810c5760, 24 [pid 4322] <... futex resumed>) = 1 [pid 4318] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4325 attached [pid 4324] <... set_robust_list resumed>) = 0 [pid 4319] <... futex resumed>) = 1 [pid 4318] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4317] <... futex resumed>) = 0 [pid 4319] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4318] <... futex resumed>) = 0 [pid 4317] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4319] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4318] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4319] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4317] <... futex resumed>) = 0 [pid 4319] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4317] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4319] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4317] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4319] <... futex resumed>) = 0 [pid 4317] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4323] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4319] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4317] <... futex resumed>) = 0 [pid 4317] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4322] mount(NULL, "./config", "configfs", 0, NULL [pid 4319] <... mkdirat resumed>) = 0 [pid 4324] rt_sigprocmask(SIG_SETMASK, [] [pid 4323] mkdirat(AT_FDCWD, "./config", 0777 [pid 4322] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4319] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4324] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4322] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4319] <... futex resumed>) = 1 [pid 4317] <... futex resumed>) = 0 [pid 4323] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4319] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4317] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4323] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4319] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4317] <... futex resumed>) = 0 [pid 4319] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4323] <... futex resumed>) = 1 [pid 4320] <... futex resumed>) = 0 [pid 4317] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4320] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4324] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4323] mount(NULL, "./config", "configfs", 0, NULL [pid 4322] <... futex resumed>) = 1 [pid 4320] <... futex resumed>) = 0 [pid 4319] <... symlinkat resumed>) = 0 [pid 4318] <... futex resumed>) = 0 [pid 4320] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4319] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4318] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4319] <... futex resumed>) = 1 [pid 4318] <... futex resumed>) = 0 [pid 4317] <... futex resumed>) = 0 [pid 4323] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4319] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4318] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4317] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4323] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4319] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4317] <... futex resumed>) = 0 [pid 4319] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4323] <... futex resumed>) = 1 [pid 4320] <... futex resumed>) = 0 [pid 4317] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4323] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4320] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4319] <... unlinkat resumed>) = 0 [pid 4320] <... futex resumed>) = 0 [pid 4319] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4323] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4320] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4319] <... futex resumed>) = 1 [pid 4317] <... futex resumed>) = 0 [pid 4323] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4319] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4323] <... futex resumed>) = 1 [pid 4320] <... futex resumed>) = 0 [pid 4319] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4317] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4323] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4320] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4319] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4317] <... futex resumed>) = 0 [pid 4323] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4320] <... futex resumed>) = 0 [pid 4317] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4325] set_robust_list(0x7f85c0c359a0, 24 [pid 4324] <... prctl resumed>) = 0 [pid 4323] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4322] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4320] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4319] <... unlinkat resumed>) = 0 [pid 4325] <... set_robust_list resumed>) = 0 [pid 4324] setpgid(0, 0 [pid 4323] <... futex resumed>) = 0 [pid 4322] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4320] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4319] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4325] rt_sigprocmask(SIG_SETMASK, [] [pid 4324] <... setpgid resumed>) = 0 [pid 4323] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4322] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4320] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4317] <... futex resumed>) = 0 [pid 4319] <... futex resumed>) = 1 [pid 4325] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4322] <... futex resumed>) = 1 [pid 4320] <... futex resumed>) = 0 [pid 4323] <... mkdirat resumed>) = 0 [pid 4319] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4318] <... futex resumed>) = 0 [pid 4317] exit_group(0 [pid 4325] mkdirat(AT_FDCWD, "./config", 0777 [pid 4324] <... openat resumed>) = 3 [pid 4322] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4325] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4324] write(3, "1000", 4 [pid 4323] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4322] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4320] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4319] <... futex resumed>) = ? [pid 4318] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4317] <... exit_group resumed>) = ? [pid 4325] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4324] <... write resumed>) = 4 [pid 4323] <... futex resumed>) = 0 [pid 4322] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4320] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4319] +++ exited with 0 +++ [pid 4318] <... futex resumed>) = 0 [pid 4325] <... futex resumed>) = 1 [pid 4324] close(3 [pid 4322] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4321] <... futex resumed>) = 0 [pid 4325] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4324] <... close resumed>) = 0 [pid 4322] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4321] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4325] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4324] write(1, "executing program\n", 18 [pid 4322] <... futex resumed>) = 0 [pid 4323] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4321] <... futex resumed>) = 0 [pid 4320] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 4318] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4317] +++ exited with 0 +++ [pid 4325] mount(NULL, "./config", "configfs", 0, NULL [pid 4324] <... write resumed>) = 18 [pid 4323] <... symlinkat resumed>) = 0 [pid 4322] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4321] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4320] <... futex resumed>) = 0 [pid 4318] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4317, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4325] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4324] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4323] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4320] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4318] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4325] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4324] <... futex resumed>) = 0 [pid 4323] <... futex resumed>) = 0 [pid 4322] <... futex resumed>) = 0 [pid 4320] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4318] <... futex resumed>) = 1 [pid 4325] <... futex resumed>) = 1 [pid 4324] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4323] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4322] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4321] <... futex resumed>) = 0 [pid 4320] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4318] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4325] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4324] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4323] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4322] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4321] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4320] <... futex resumed>) = 0 [pid 4325] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4324] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4323] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4322] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4321] <... futex resumed>) = 0 [pid 4320] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4325] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4324] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4323] <... unlinkat resumed>) = 0 [pid 4322] <... futex resumed>) = 1 [pid 4321] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4318] <... futex resumed>) = 0 [pid 4325] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4324] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4323] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4322] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4318] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4325] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4324] <... mmap resumed>) = 0x7f85c0c15000 [pid 4323] <... futex resumed>) = 1 [pid 4322] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4320] <... futex resumed>) = 0 [pid 4318] <... futex resumed>) = 0 [pid 4325] <... futex resumed>) = 1 [pid 4324] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4323] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4322] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4321] <... futex resumed>) = 0 [pid 4320] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4318] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4325] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4324] <... mprotect resumed>) = 0 [pid 4323] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4322] <... symlinkat resumed>) = 0 [pid 4321] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4320] <... futex resumed>) = 0 [pid 4325] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4324] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4323] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4322] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4321] <... futex resumed>) = 0 [pid 4325] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4324] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4323] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 4322] <... futex resumed>) = 1 [pid 4321] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4320] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4318] <... futex resumed>) = 0 [pid 4325] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4324] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4323] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4322] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4320] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4318] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4326 attached [pid 4325] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4323] <... futex resumed>) = 0 [pid 4322] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4320] exit_group(0 [pid 4318] <... futex resumed>) = 0 [pid 4325] <... futex resumed>) = 1 [pid 4324] <... clone3 resumed> => {parent_tid=[4326]}, 88) = 4326 [pid 4322] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4321] <... futex resumed>) = 0 [pid 4320] <... exit_group resumed>) = ? [pid 4318] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4325] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4324] rt_sigprocmask(SIG_SETMASK, [] [pid 4323] +++ exited with 0 +++ [pid 4322] <... unlinkat resumed>) = 0 [pid 4321] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4325] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4324] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4322] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4321] <... futex resumed>) = 0 [pid 4325] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4324] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4322] <... futex resumed>) = 0 [pid 4321] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4325] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4324] <... futex resumed>) = 0 [pid 4322] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4320] +++ exited with 0 +++ [pid 4318] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4325] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4324] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4318] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4325] <... futex resumed>) = 1 [pid 4321] <... futex resumed>) = 0 [pid 4318] <... futex resumed>) = 1 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4320, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4322] <... futex resumed>) = 0 [pid 4325] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4322] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4321] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4318] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4325] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4322] <... unlinkat resumed>) = 0 [pid 4321] <... futex resumed>) = 0 [pid 4325] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4322] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4321] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4326] set_robust_list(0x7f85c0c359a0, 24 [pid 4325] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4322] <... futex resumed>) = 1 [pid 4318] <... futex resumed>) = 0 [pid 4325] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4322] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4325] <... futex resumed>) = 1 [pid 4321] <... futex resumed>) = 0 [pid 4318] exit_group(0 [pid 4325] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4322] <... futex resumed>) = ? [pid 4321] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4318] <... exit_group resumed>) = ? [pid 4325] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4322] +++ exited with 0 +++ [pid 4321] <... futex resumed>) = 0 [pid 4325] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4321] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4325] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4325] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4321] <... futex resumed>) = 0 [pid 4325] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4321] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4325] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4321] <... futex resumed>) = 0 [pid 4318] +++ exited with 0 +++ [pid 4325] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4321] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4325] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4325] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4318, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4325] <... futex resumed>) = 1 [pid 4321] <... futex resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4325] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4321] exit_group(0 [pid 4325] <... futex resumed>) = ? [pid 4321] <... exit_group resumed>) = ? [pid 4326] <... set_robust_list resumed>) = 0 [pid 4325] +++ exited with 0 +++ [pid 4321] +++ exited with 0 +++ [pid 312] <... restart_syscall resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4321, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555810c5750) = 4327 ci2-android-5-15/strace-static-x86_64: Process 4327 attached [pid 312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4327] set_robust_list(0x5555810c5760, 24) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 4327] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4327] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4327] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4327] setpgid(0, 0) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4328 [pid 4327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4327] <... openat resumed>) = 3 [pid 4327] write(3, "1000", 4 [pid 4326] rt_sigprocmask(SIG_SETMASK, [] [pid 4327] <... write resumed>) = 4 [pid 4327] close(3) = 0 [pid 4327] write(1, "executing program\n", 18) = 18 executing program [pid 4327] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4327] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4327] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4327] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4327] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4327] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4327] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0}ci2-android-5-15/strace-static-x86_64: Process 4329 attached [pid 4326] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4327] <... clone3 resumed> => {parent_tid=[4329]}, 88) = 4329 [pid 4327] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4327] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4327] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4326] mkdirat(AT_FDCWD, "./config", 0777ci2-android-5-15/strace-static-x86_64: Process 4328 attached [pid 4328] set_robust_list(0x5555810c5760, 24) = 0 [pid 4329] set_robust_list(0x7f85c0c359a0, 24 [pid 4326] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 304] <... restart_syscall resumed>) = 0 [pid 4326] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4328] rt_sigprocmask(SIG_SETMASK, [] [pid 4326] <... futex resumed>) = 1 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4326] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4324] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4324] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4324] <... futex resumed>) = 0 [pid 4324] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4328] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4328] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4328] setpgid(0, 0) = 0 [pid 4326] mount(NULL, "./config", "configfs", 0, NULL [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4330 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4326] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4326] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4324] <... futex resumed>) = 0 [pid 4326] <... futex resumed>) = 1 [pid 4324] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4326] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4324] <... futex resumed>) = 0 [pid 4326] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4324] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4326] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4324] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4326] <... futex resumed>) = 0 [pid 4324] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4326] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4324] <... futex resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 4326] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4324] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4326] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4324] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4324] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4326] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4328] <... openat resumed>) = 3 [pid 4324] <... futex resumed>) = 0 [pid 4326] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4324] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4328] write(3, "1000", 4 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4328] <... write resumed>) = 4 [pid 4328] close(3) = 0 [pid 4328] write(1, "executing program\n", 18) = 18 [pid 4328] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4328] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4331 [pid 4326] <... mkdirat resumed>) = 0 executing program [pid 4328] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4326] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4326] <... futex resumed>) = 1 [pid 4324] <... futex resumed>) = 0 [pid 4326] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4324] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4324] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4326] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4328] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4328] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4326] <... symlinkat resumed>) = 0 [pid 4328] <... mmap resumed>) = 0x7f85c0c15000 [pid 4326] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4328] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4326] <... futex resumed>) = 1 [pid 4324] <... futex resumed>) = 0 [pid 4326] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4324] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4324] <... futex resumed>) = 0 [pid 4326] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4324] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4326] <... unlinkat resumed>) = 0 [pid 4328] <... mprotect resumed>) = 0 [pid 4326] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4328] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4326] <... futex resumed>) = 1 [pid 4324] <... futex resumed>) = 0 [pid 4326] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4324] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4324] <... futex resumed>) = 0 [pid 4326] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4324] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4328] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4328] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4326] <... unlinkat resumed>) = 0 [pid 4329] <... set_robust_list resumed>) = 0 [pid 4326] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4328] <... clone3 resumed> => {parent_tid=[4332]}, 88) = 4332 [pid 4326] <... futex resumed>) = 1 [pid 4324] <... futex resumed>) = 0 [pid 4329] rt_sigprocmask(SIG_SETMASK, [] [pid 4326] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4324] exit_group(0 [pid 4329] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4326] <... futex resumed>) = ? [pid 4324] <... exit_group resumed>) = ? [pid 4326] +++ exited with 0 +++ [pid 4328] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4328] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4328] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4330 attached [pid 4330] set_robust_list(0x5555810c5760, 24) = 0 [pid 4324] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4324, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4329] mkdirat(AT_FDCWD, "./config", 0777 [pid 4330] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4331 attached [pid 4330] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4329] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4330] <... prctl resumed>) = 0 [pid 4330] setpgid(0, 0) = 0 [pid 4330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4329] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... restart_syscall resumed>) = 0 [pid 4330] <... openat resumed>) = 3 [pid 4329] <... futex resumed>) = 1 [pid 4327] <... futex resumed>) = 0 [pid 4327] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4329] mount(NULL, "./config", "configfs", 0, NULL [pid 4327] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4329] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4327] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4329] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4327] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4330] write(3, "1000", 4) = 4 [pid 4330] close(3) = 0 [pid 4330] write(1, "executing program\n", 18 [pid 4329] <... futex resumed>) = 0 [pid 4327] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4329] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4327] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4333 [pid 4330] <... write resumed>) = 18 [pid 4330] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4329] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4330] <... futex resumed>) = 0 executing program [pid 4329] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4330] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4329] <... futex resumed>) = 1 [pid 4327] <... futex resumed>) = 0 [pid 4329] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4327] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4330] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4327] <... futex resumed>) = 0 [pid 4329] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4327] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4330] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4329] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4330] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4330] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0ci2-android-5-15/strace-static-x86_64: Process 4333 attached ) = 0x7f85c0c15000 [pid 4331] set_robust_list(0x5555810c5760, 24 [pid 4329] <... futex resumed>) = 1 [pid 4327] <... futex resumed>) = 0 [pid 4330] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4329] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4327] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4330] <... mprotect resumed>) = 0 [pid 4330] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4329] <... mkdirat resumed>) = 0 [pid 4327] <... futex resumed>) = 0 [pid 4330] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4329] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4327] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4331] <... set_robust_list resumed>) = 0 [pid 4329] <... futex resumed>) = 0 [pid 4327] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4329] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4327] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4331] rt_sigprocmask(SIG_SETMASK, [] [pid 4330] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4329] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4327] <... futex resumed>) = 0 [pid 4331] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4329] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4327] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4332 attached [pid 4331] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4329] <... symlinkat resumed>) = 0 [pid 4331] <... prctl resumed>) = 0 [pid 4329] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4332] set_robust_list(0x7f85c0c359a0, 24 [pid 4331] setpgid(0, 0 [pid 4330] <... clone3 resumed> => {parent_tid=[4334]}, 88) = 4334 [pid 4329] <... futex resumed>) = 1 [pid 4327] <... futex resumed>) = 0 [pid 4331] <... setpgid resumed>) = 0 [pid 4329] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4327] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4329] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4327] <... futex resumed>) = 0 [pid 4331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4329] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4327] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4332] <... set_robust_list resumed>) = 0 [pid 4330] rt_sigprocmask(SIG_SETMASK, [] [pid 4329] <... unlinkat resumed>) = 0 [pid 4331] <... openat resumed>) = 3 [pid 4329] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4332] rt_sigprocmask(SIG_SETMASK, [] [pid 4331] write(3, "1000", 4 [pid 4330] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4329] <... futex resumed>) = 1 [pid 4327] <... futex resumed>) = 0 [pid 4329] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4327] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4331] <... write resumed>) = 4 [pid 4329] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4327] <... futex resumed>) = 0 [pid 4331] close(3 [pid 4329] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4327] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4332] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4330] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4331] <... close resumed>) = 0 [pid 4329] <... unlinkat resumed>) = 0 [pid 4332] mkdirat(AT_FDCWD, "./config", 0777 [pid 4331] write(1, "executing program\n", 18 [pid 4330] <... futex resumed>) = 0 executing program [pid 4329] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4332] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4331] <... write resumed>) = 18 [pid 4330] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4329] <... futex resumed>) = 1 [pid 4327] <... futex resumed>) = 0 [pid 4331] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4329] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4327] exit_group(0 [pid 4331] <... futex resumed>) = 0 [pid 4327] <... exit_group resumed>) = ? [pid 4329] <... futex resumed>) = ? [pid 4332] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4328] <... futex resumed>) = 0 [pid 4332] mount(NULL, "./config", "configfs", 0, NULL [pid 4328] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4332] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4328] <... futex resumed>) = 0 [pid 4332] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4328] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4332] <... futex resumed>) = 0 [pid 4328] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4332] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4329] +++ exited with 0 +++ [pid 4328] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4327] +++ exited with 0 +++ [pid 4332] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4328] <... futex resumed>) = 0 [pid 4331] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4332] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4328] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4327, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4332] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4332] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4331] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4333] set_robust_list(0x5555810c5760, 24 [pid 4332] <... futex resumed>) = 1 [pid 4333] <... set_robust_list resumed>) = 0 [pid 4331] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4328] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4334 attached [pid 4333] rt_sigprocmask(SIG_SETMASK, [] [pid 4332] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4331] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4328] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4334] set_robust_list(0x7f85c0c359a0, 24 [pid 4333] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4332] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4331] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4328] <... futex resumed>) = 0 [pid 4334] <... set_robust_list resumed>) = 0 [pid 4332] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4331] <... mmap resumed>) = 0x7f85c0c15000 [pid 4328] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4334] rt_sigprocmask(SIG_SETMASK, [] [pid 4333] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4332] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4331] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4334] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4332] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4334] mkdirat(AT_FDCWD, "./config", 0777 [pid 4333] <... prctl resumed>) = 0 [pid 4332] <... futex resumed>) = 1 [pid 4331] <... mprotect resumed>) = 0 [pid 4328] <... futex resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 4334] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4332] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4328] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4334] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4333] setpgid(0, 0 [pid 4332] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4331] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4328] <... futex resumed>) = 0 [pid 4334] <... futex resumed>) = 1 [pid 4333] <... setpgid resumed>) = 0 [pid 4332] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4331] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4330] <... futex resumed>) = 0 [pid 4328] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4334] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4332] <... mkdirat resumed>) = 0 [pid 4331] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4330] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4333] <... openat resumed>) = 3 [pid 4332] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4330] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4334] mount(NULL, "./config", "configfs", 0, NULL [pid 4332] <... futex resumed>) = 1 [pid 4330] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4328] <... futex resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4334] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4333] write(3, "1000", 4 [pid 4332] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4331] <... clone3 resumed> => {parent_tid=[4335]}, 88) = 4335 [pid 4328] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4334] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4332] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4328] <... futex resumed>) = 0 [pid 4334] <... futex resumed>) = 1 [pid 4333] <... write resumed>) = 4 [pid 4332] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4331] rt_sigprocmask(SIG_SETMASK, [] [pid 4330] <... futex resumed>) = 0 [pid 4328] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4336 attached [pid 4334] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4333] close(3 [pid 4332] <... symlinkat resumed>) = 0 [pid 4331] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4330] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4336 [pid 4334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4333] <... close resumed>) = 0 [pid 4332] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4331] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4330] <... futex resumed>) = 0 [pid 4334] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4333] write(1, "executing program\n", 18 [pid 4332] <... futex resumed>) = 1 executing program [pid 4331] <... futex resumed>) = 0 [pid 4330] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4328] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4336] set_robust_list(0x5555810c5760, 24 [pid 4334] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4333] <... write resumed>) = 18 [pid 4332] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4331] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4328] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4334] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4333] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4332] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4328] <... futex resumed>) = 0 [pid 4334] <... futex resumed>) = 1 [pid 4333] <... futex resumed>) = 0 [pid 4332] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4330] <... futex resumed>) = 0 [pid 4328] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4336] <... set_robust_list resumed>) = 0 [pid 4334] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4333] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4332] <... unlinkat resumed>) = 0 [pid 4330] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4333] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4332] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4330] <... futex resumed>) = 0 [pid 4334] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4333] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4332] <... futex resumed>) = 1 [pid 4330] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4328] <... futex resumed>) = 0 [pid 4336] rt_sigprocmask(SIG_SETMASK, [] [pid 4334] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4333] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4332] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4328] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4336] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4334] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4333] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4332] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4328] <... futex resumed>) = 0 [pid 4334] <... futex resumed>) = 1 [pid 4332] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4330] <... futex resumed>) = 0 [pid 4328] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4336] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4334] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4333] <... mmap resumed>) = 0x7f85c0c15000 [pid 4332] <... unlinkat resumed>) = 0 [pid 4330] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4336] <... prctl resumed>) = 0 [pid 4334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4333] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4332] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4330] <... futex resumed>) = 0 [pid 4336] setpgid(0, 0 [pid 4334] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4333] <... mprotect resumed>) = 0 [pid 4332] <... futex resumed>) = 1 [pid 4330] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4328] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4335 attached [pid 4336] <... setpgid resumed>) = 0 [pid 4334] <... mkdirat resumed>) = 0 [pid 4332] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4328] exit_group(0 [pid 4334] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4332] <... futex resumed>) = ? [pid 4328] <... exit_group resumed>) = ? [pid 4336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4335] set_robust_list(0x7f85c0c359a0, 24 [pid 4334] <... futex resumed>) = 1 [pid 4333] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4332] +++ exited with 0 +++ [pid 4330] <... futex resumed>) = 0 [pid 4328] +++ exited with 0 +++ [pid 4334] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4333] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4330] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4336] <... openat resumed>) = 3 [pid 4334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4333] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4330] <... futex resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4328, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4334] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4330] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4336] write(3, "1000", 4 [pid 4335] <... set_robust_list resumed>) = 0 [pid 4334] <... symlinkat resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4336] <... write resumed>) = 4 [pid 4334] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4333] <... clone3 resumed> => {parent_tid=[4337]}, 88) = 4337 [pid 4335] rt_sigprocmask(SIG_SETMASK, [] [pid 4334] <... futex resumed>) = 1 [pid 4333] rt_sigprocmask(SIG_SETMASK, [] [pid 4330] <... futex resumed>) = 0 [pid 4336] close(3 [pid 4335] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4334] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4333] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4330] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4336] <... close resumed>) = 0 [pid 4333] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4330] <... futex resumed>) = 0 [pid 4336] write(1, "executing program\n", 18 [pid 4335] mkdirat(AT_FDCWD, "./config", 0777 [pid 4334] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4333] <... futex resumed>) = 0 [pid 4330] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4336] <... write resumed>) = 18 [pid 4335] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4334] <... unlinkat resumed>) = 0 [pid 4333] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4336] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4335] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4334] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4336] <... futex resumed>) = 0 [pid 4334] <... futex resumed>) = 1 [pid 4330] <... futex resumed>) = 0 executing program [pid 4336] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4335] <... futex resumed>) = 1 [pid 4334] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4331] <... futex resumed>) = 0 [pid 4330] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4336] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4335] mount(NULL, "./config", "configfs", 0, NULL [pid 4334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4331] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4330] <... futex resumed>) = 0 [pid 4336] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4334] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4331] <... futex resumed>) = 0 [pid 4330] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4336] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4335] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4334] <... unlinkat resumed>) = 0 [pid 4331] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4337 attached [pid 4336] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4335] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4334] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4337] set_robust_list(0x7f85c0c359a0, 24 [pid 4336] <... mmap resumed>) = 0x7f85c0c15000 [pid 4335] <... futex resumed>) = 1 [pid 4334] <... futex resumed>) = 1 [pid 4331] <... futex resumed>) = 0 [pid 4330] <... futex resumed>) = 0 [pid 4337] <... set_robust_list resumed>) = 0 [pid 4336] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4335] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4334] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4331] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4330] exit_group(0 [pid 4337] rt_sigprocmask(SIG_SETMASK, [] [pid 4336] <... mprotect resumed>) = 0 [pid 4335] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4334] <... futex resumed>) = ? [pid 4331] <... futex resumed>) = 0 [pid 4330] <... exit_group resumed>) = ? [pid 4337] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4336] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4335] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4334] +++ exited with 0 +++ [pid 4331] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4330] +++ exited with 0 +++ [pid 305] <... restart_syscall resumed>) = 0 [pid 4336] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4335] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4336] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4335] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4330, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4337] mkdirat(AT_FDCWD, "./config", 0777 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4335] <... futex resumed>) = 1 [pid 4331] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4336] <... clone3 resumed> => {parent_tid=[4338]}, 88) = 4338 [pid 4335] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4331] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4336] rt_sigprocmask(SIG_SETMASK, [] [pid 4335] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4331] <... futex resumed>) = 0 [pid 4337] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4337] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4337] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 4338 attached [pid 4338] set_robust_list(0x7f85c0c359a0, 24 [pid 4333] <... futex resumed>) = 0 [pid 4336] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4335] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4333] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4331] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4339 [pid 4336] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4335] <... futex resumed>) = 0 [pid 4333] <... futex resumed>) = 1 [pid 4331] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4336] <... futex resumed>) = 0 [pid 4335] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4336] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4335] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4333] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4331] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4335] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4331] <... futex resumed>) = 0 [pid 4337] <... futex resumed>) = 0 [pid 4337] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 4331] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4337] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4333] <... futex resumed>) = 0 [pid 4337] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4335] <... mkdirat resumed>) = 0 [pid 4337] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4333] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4337] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4335] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4333] <... futex resumed>) = 0 [pid 4337] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4331] <... futex resumed>) = 0 [pid 4333] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4337] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4335] <... futex resumed>) = 1 [pid 4333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4331] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4337] <... futex resumed>) = 0 [pid 4335] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4333] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4331] <... futex resumed>) = 0 [pid 4337] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4333] <... futex resumed>) = 0 [pid 4331] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4337] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4335] <... symlinkat resumed>) = 0 [pid 4333] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4337] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4335] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4337] <... futex resumed>) = 0 [pid 4335] <... futex resumed>) = 1 [pid 4333] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4331] <... futex resumed>) = 0 [pid 4337] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4335] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4333] <... futex resumed>) = 0 [pid 4331] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4337] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4335] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4333] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4331] <... futex resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 4337] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4335] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4331] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4337] <... futex resumed>) = 0 [pid 4335] <... unlinkat resumed>) = 0 [pid 4333] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4338] <... set_robust_list resumed>) = 0 [pid 4337] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4333] <... futex resumed>) = 0 [pid 4335] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4338] rt_sigprocmask(SIG_SETMASK, [] [pid 4337] <... symlinkat resumed>) = 0 [pid 4333] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4335] <... futex resumed>) = 1 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4331] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4339 attached [pid 4338] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4337] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4335] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4331] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4338] mkdirat(AT_FDCWD, "./config", 0777 [pid 4337] <... futex resumed>) = 0 [pid 4335] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4333] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4331] <... futex resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4338] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4337] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4335] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4333] <... futex resumed>) = 0 [pid 4331] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4338] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4337] <... unlinkat resumed>) = 0 [pid 4338] <... futex resumed>) = 1 [pid 4337] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4338] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4337] <... futex resumed>) = 0 [pid 4336] <... futex resumed>) = 0 [pid 4333] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4337] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4336] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4335] <... unlinkat resumed>) = 0 [pid 4333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4340 [pid 4336] <... futex resumed>) = 1 [pid 4335] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4333] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4336] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4335] <... futex resumed>) = 1 [pid 4331] <... futex resumed>) = 0 [pid 4339] set_robust_list(0x5555810c5760, 24 [pid 4338] <... futex resumed>) = 0 [pid 4337] <... futex resumed>) = 0 [pid 4333] <... futex resumed>) = 1 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4339] <... set_robust_list resumed>) = 0 [pid 4338] mount(NULL, "./config", "configfs", 0, NULL [pid 4337] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4335] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4333] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4331] exit_group(0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4340 attached [pid 4339] rt_sigprocmask(SIG_SETMASK, [] [pid 4338] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4337] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4331] <... exit_group resumed>) = ? [pid 4339] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4338] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4337] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4335] <... futex resumed>) = ? [pid 4339] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4338] <... futex resumed>) = 1 [pid 4337] <... futex resumed>) = 1 [pid 4336] <... futex resumed>) = 0 [pid 4333] <... futex resumed>) = 0 [pid 4339] <... prctl resumed>) = 0 [pid 4338] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4337] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4339] setpgid(0, 0) = 0 [pid 4339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4335] +++ exited with 0 +++ [pid 4331] +++ exited with 0 +++ [pid 4336] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4333] exit_group(0 [pid 4339] <... openat resumed>) = 3 [pid 4338] <... futex resumed>) = 0 [pid 4336] <... futex resumed>) = 1 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4331, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4339] write(3, "1000", 4 [pid 4338] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4337] <... futex resumed>) = ? [pid 4336] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4333] <... exit_group resumed>) = ? [pid 4340] set_robust_list(0x5555810c5760, 24 [pid 4339] <... write resumed>) = 4 [pid 4338] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4337] +++ exited with 0 +++ [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4339] close(3 [pid 4338] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4339] <... close resumed>) = 0 [pid 4338] <... futex resumed>) = 1 [pid 4339] write(1, "executing program\n", 18 [pid 4338] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4339] <... write resumed>) = 18 [pid 4333] +++ exited with 0 +++ [pid 4339] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4336] <... futex resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4333, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 4339] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4336] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4340] <... set_robust_list resumed>) = 0 [pid 4339] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4338] <... futex resumed>) = 0 [pid 4336] <... futex resumed>) = 1 [pid 4339] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4338] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4340] rt_sigprocmask(SIG_SETMASK, [] [pid 4339] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4338] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4336] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4339] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4338] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4340] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4339] <... mmap resumed>) = 0x7f85c0c15000 [pid 4338] <... futex resumed>) = 0 [pid 4336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4339] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4338] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4336] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4340] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4339] <... mprotect resumed>) = 0 [pid 4338] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4336] <... futex resumed>) = 0 [pid 4339] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4338] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4336] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4340] <... prctl resumed>) = 0 [pid 4339] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4338] <... mkdirat resumed>) = 0 [pid 4339] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4338] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4340] setpgid(0, 0 [pid 4338] <... futex resumed>) = 1 [pid 306] <... restart_syscall resumed>) = 0 [pid 4336] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4341 attached [pid 4340] <... setpgid resumed>) = 0 [pid 4339] <... clone3 resumed> => {parent_tid=[4341]}, 88) = 4341 [pid 4338] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4336] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4339] rt_sigprocmask(SIG_SETMASK, [] [pid 4338] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4336] <... futex resumed>) = 0 [pid 4340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4339] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4338] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4336] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4339] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4338] <... symlinkat resumed>) = 0 [pid 4340] <... openat resumed>) = 3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4339] <... futex resumed>) = 0 [pid 4338] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4340] write(3, "1000", 4 [pid 4341] set_robust_list(0x7f85c0c359a0, 24 [pid 4339] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4338] <... futex resumed>) = 1 [pid 4340] <... write resumed>) = 4 [pid 4336] <... futex resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4340] close(3 [pid 4338] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4336] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4338] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4338] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4340] <... close resumed>) = 0 [pid 4338] <... unlinkat resumed>) = 0 [pid 4336] <... futex resumed>) = 0 [pid 4340] write(1, "executing program\n", 18 [pid 4338] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 4336] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4342 [pid 4340] <... write resumed>) = 18 [pid 4338] <... futex resumed>) = 0 [pid 4336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4340] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4338] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4336] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4340] <... futex resumed>) = 0 [pid 4338] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4336] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4340] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4338] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4336] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4341] <... set_robust_list resumed>) = 0 [pid 4340] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4338] <... unlinkat resumed>) = 0 [pid 4340] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4338] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4342 attached [pid 4340] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4338] <... futex resumed>) = 1 [pid 4336] <... futex resumed>) = 0 [pid 4340] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4338] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4340] <... mmap resumed>) = 0x7f85c0c15000 [pid 4336] exit_group(0 [pid 4340] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4338] <... futex resumed>) = ? [pid 4336] <... exit_group resumed>) = ? [pid 311] <... restart_syscall resumed>) = 0 [pid 4340] <... mprotect resumed>) = 0 [pid 4338] +++ exited with 0 +++ [pid 4342] set_robust_list(0x5555810c5760, 24) = 0 [pid 4342] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4342] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4336] +++ exited with 0 +++ [pid 4340] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4342] <... prctl resumed>) = 0 [pid 4340] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4336, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4340] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4342] setpgid(0, 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4340] <... clone3 resumed> => {parent_tid=[4343]}, 88) = 4343 [pid 4342] <... setpgid resumed>) = 0 [pid 4342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4340] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4344 [pid 4340] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4342] write(3, "1000", 4 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4340] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4340] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4342] <... write resumed>) = 4 [pid 4342] close(3) = 0 executing program [pid 4342] write(1, "executing program\n", 18) = 18 [pid 4342] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4342] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4342] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4342] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4342] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4342] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4342] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0}ci2-android-5-15/strace-static-x86_64: Process 4343 attached ci2-android-5-15/strace-static-x86_64: Process 4345 attached => {parent_tid=[4345]}, 88) = 4345 [pid 4341] rt_sigprocmask(SIG_SETMASK, [] [pid 4342] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4342] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4345] set_robust_list(0x7f85c0c359a0, 24 [pid 4343] set_robust_list(0x7f85c0c359a0, 24 [pid 4342] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4341] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4344 attached [pid 4344] set_robust_list(0x5555810c5760, 24) = 0 [pid 4344] rt_sigprocmask(SIG_SETMASK, [] [pid 4343] <... set_robust_list resumed>) = 0 [pid 4345] <... set_robust_list resumed>) = 0 [pid 4341] mkdirat(AT_FDCWD, "./config", 0777 [pid 4345] rt_sigprocmask(SIG_SETMASK, [] [pid 4344] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4343] rt_sigprocmask(SIG_SETMASK, [] [pid 4341] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4345] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4343] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4341] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4344] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4341] <... futex resumed>) = 1 [pid 4339] <... futex resumed>) = 0 [pid 4339] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4339] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4341] mount(NULL, "./config", "configfs", 0, NULL [pid 4343] mkdirat(AT_FDCWD, "./config", 0777 [pid 4345] mkdirat(AT_FDCWD, "./config", 0777 [pid 4343] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4344] <... prctl resumed>) = 0 [pid 4341] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4345] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4344] setpgid(0, 0 [pid 4343] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4341] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4343] <... futex resumed>) = 1 [pid 4340] <... futex resumed>) = 0 [pid 4345] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4344] <... setpgid resumed>) = 0 [pid 4339] <... futex resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 4341] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4340] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4339] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4340] <... futex resumed>) = 0 [pid 4339] <... futex resumed>) = 0 [pid 4341] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4340] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4339] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4341] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4343] mount(NULL, "./config", "configfs", 0, NULL [pid 4341] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4341] <... futex resumed>) = 1 [pid 4339] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4343] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4341] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4339] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4343] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4339] <... futex resumed>) = 0 [pid 4339] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4346 attached [pid 4343] <... futex resumed>) = 1 [pid 4341] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4340] <... futex resumed>) = 0 [pid 4340] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4343] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4341] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4340] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4346 [pid 4341] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4340] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4343] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4341] <... futex resumed>) = 1 [pid 4339] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4343] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4341] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4339] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4343] <... futex resumed>) = 1 [pid 4341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4340] <... futex resumed>) = 0 [pid 4339] <... futex resumed>) = 0 [pid 4343] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4341] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4340] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4339] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4340] <... futex resumed>) = 0 [pid 4340] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4346] set_robust_list(0x5555810c5760, 24 [pid 4343] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4341] <... mkdirat resumed>) = 0 [pid 4343] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4341] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4343] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4341] <... futex resumed>) = 1 [pid 4339] <... futex resumed>) = 0 [pid 4343] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4341] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4339] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4345] <... futex resumed>) = 1 [pid 4344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4343] <... futex resumed>) = 1 [pid 4342] <... futex resumed>) = 0 [pid 4341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4340] <... futex resumed>) = 0 [pid 4339] <... futex resumed>) = 0 [pid 4343] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4342] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4341] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4340] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4339] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4346] <... set_robust_list resumed>) = 0 [pid 4345] mount(NULL, "./config", "configfs", 0, NULL [pid 4344] <... openat resumed>) = 3 [pid 4343] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4342] <... futex resumed>) = 0 [pid 4340] <... futex resumed>) = 0 [pid 4346] rt_sigprocmask(SIG_SETMASK, [] [pid 4345] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4343] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4342] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4341] <... symlinkat resumed>) = 0 [pid 4346] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4341] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4340] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4346] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4345] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4343] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4341] <... futex resumed>) = 1 [pid 4344] write(3, "1000", 4 [pid 4339] <... futex resumed>) = 0 [pid 4346] <... prctl resumed>) = 0 [pid 4345] <... futex resumed>) = 1 [pid 4344] <... write resumed>) = 4 [pid 4343] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4342] <... futex resumed>) = 0 [pid 4341] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4339] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4346] setpgid(0, 0 [pid 4342] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4339] <... futex resumed>) = 0 [pid 4340] <... futex resumed>) = 0 [pid 4346] <... setpgid resumed>) = 0 [pid 4345] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4344] close(3 [pid 4343] <... futex resumed>) = 1 [pid 4342] <... futex resumed>) = 0 [pid 4341] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4340] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4339] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4345] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4344] <... close resumed>) = 0 [pid 4343] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4342] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4341] <... unlinkat resumed>) = 0 [pid 4340] <... futex resumed>) = 0 [pid 4346] <... openat resumed>) = 3 [pid 4345] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4344] write(1, "executing program\n", 18 [pid 4343] <... symlinkat resumed>) = 0 executing program [pid 4341] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4340] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4346] write(3, "1000", 4 [pid 4345] <... futex resumed>) = 1 [pid 4344] <... write resumed>) = 18 [pid 4343] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4342] <... futex resumed>) = 0 [pid 4341] <... futex resumed>) = 1 [pid 4340] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4339] <... futex resumed>) = 0 [pid 4346] <... write resumed>) = 4 [pid 4345] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4344] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4343] <... futex resumed>) = 0 [pid 4342] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4341] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4340] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4339] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4346] close(3 [pid 4345] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4344] <... futex resumed>) = 0 [pid 4343] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4342] <... futex resumed>) = 0 [pid 4341] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 4340] <... futex resumed>) = 0 [pid 4339] <... futex resumed>) = 0 [pid 4346] <... close resumed>) = 0 [pid 4345] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4344] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4343] <... unlinkat resumed>) = 0 [pid 4342] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4341] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4340] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4339] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4346] write(1, "executing program\n", 18 [pid 4345] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4344] <... rt_sigaction resumed>, NULL, 8) = 0 executing program [pid 4343] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4341] <... futex resumed>) = 0 [pid 4340] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4339] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4346] <... write resumed>) = 18 [pid 4345] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4344] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4343] <... futex resumed>) = 0 [pid 4339] exit_group(0 [pid 4346] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4340] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4343] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4339] <... exit_group resumed>) = ? [pid 4346] <... futex resumed>) = 0 [pid 4345] <... futex resumed>) = 1 [pid 4344] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4343] <... unlinkat resumed>) = 0 [pid 4342] <... futex resumed>) = 0 [pid 4341] +++ exited with 0 +++ [pid 4340] <... futex resumed>) = 0 [pid 4339] +++ exited with 0 +++ [pid 4346] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4345] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4344] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4343] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4342] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4340] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4346] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4345] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4344] <... mmap resumed>) = 0x7f85c0c15000 [pid 4343] <... futex resumed>) = 0 [pid 4342] <... futex resumed>) = 0 [pid 4340] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4339, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4346] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4345] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4344] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4343] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4342] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4340] exit_group(0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4346] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4343] <... futex resumed>) = ? [pid 4340] <... exit_group resumed>) = ? [pid 4346] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4345] <... mkdirat resumed>) = 0 [pid 4346] <... mmap resumed>) = 0x7f85c0c15000 [pid 4346] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4346] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4346] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[4347]}, 88) = 4347 [pid 4346] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4343] +++ exited with 0 +++ [pid 4340] +++ exited with 0 +++ [pid 4346] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... restart_syscall resumed>) = 0 [pid 4346] <... futex resumed>) = 0 [pid 4345] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4344] <... mprotect resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4340, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4346] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4345] <... futex resumed>) = 1 [pid 4342] <... futex resumed>) = 0 [pid 4344] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4342] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4345] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4344] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4342] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4345] <... symlinkat resumed>) = 0 [pid 4344] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4342] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4345] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4342] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4345] <... futex resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4345] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4344] <... clone3 resumed> => {parent_tid=[4348]}, 88) = 4348 [pid 4342] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4347 attached [pid 4347] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4342] <... futex resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4349 [pid 4342] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4344] rt_sigprocmask(SIG_SETMASK, [] [pid 4345] <... unlinkat resumed>) = 0 [pid 4344] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4345] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4344] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4347] rt_sigprocmask(SIG_SETMASK, [] [pid 4342] <... futex resumed>) = 0 [pid 4344] <... futex resumed>) = 0 [pid 4345] <... futex resumed>) = 1 [pid 4342] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4345] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4344] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4342] <... futex resumed>) = 0 [pid 4347] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4342] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4345] <... unlinkat resumed>) = 0 [pid 4347] mkdirat(AT_FDCWD, "./config", 0777 [pid 4345] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4347] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4345] <... futex resumed>) = 1 [pid 4342] <... futex resumed>) = 0 [pid 4345] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4347] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4342] exit_group(0 [pid 4346] <... futex resumed>) = 0 [pid 4342] <... exit_group resumed>) = ? [pid 4345] <... futex resumed>) = ? [pid 4346] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4346] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4347] <... futex resumed>) = 1 [pid 4347] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 4347] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4346] <... futex resumed>) = 0 [pid 4346] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4346] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4345] +++ exited with 0 +++ [pid 4342] +++ exited with 0 +++ [pid 4347] <... futex resumed>) = 1 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4342, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4347] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4347] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4347] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4346] <... futex resumed>) = 0 [pid 4346] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4346] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4347] <... futex resumed>) = 1 [pid 4347] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777ci2-android-5-15/strace-static-x86_64: Process 4348 attached ) = -1 EEXIST (File exists) [pid 4347] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4346] <... futex resumed>) = 0 [pid 4346] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4346] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4347] <... futex resumed>) = 1 [pid 4347] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4348] set_robust_list(0x7f85c0c359a0, 24 [pid 4347] <... mkdirat resumed>) = 0 [pid 4347] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4346] <... futex resumed>) = 0 [pid 4346] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4346] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4348] <... set_robust_list resumed>) = 0 [pid 4347] <... futex resumed>) = 1 [pid 4347] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4348] rt_sigprocmask(SIG_SETMASK, [] [pid 4347] <... symlinkat resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 4347] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4346] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4346] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4346] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4347] <... futex resumed>) = 1 [pid 4347] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4347] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4346] <... futex resumed>) = 0 [pid 4346] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4346] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4350 [pid 4347] <... futex resumed>) = 1 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4347] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4350 attached [pid 4348] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4349 attached [pid 4349] set_robust_list(0x5555810c5760, 24) = 0 [pid 4348] mkdirat(AT_FDCWD, "./config", 0777 [pid 4349] rt_sigprocmask(SIG_SETMASK, [] [pid 4348] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4349] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4349] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4348] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4349] <... prctl resumed>) = 0 [pid 4349] setpgid(0, 0) = 0 [pid 4349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4350] set_robust_list(0x5555810c5760, 24 [pid 4348] <... futex resumed>) = 1 [pid 4347] <... unlinkat resumed>) = 0 [pid 4344] <... futex resumed>) = 0 [pid 4349] <... openat resumed>) = 3 [pid 4348] mount(NULL, "./config", "configfs", 0, NULL [pid 4344] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4350] <... set_robust_list resumed>) = 0 [pid 4347] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4344] <... futex resumed>) = 0 [pid 4349] write(3, "1000", 4 [pid 4344] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4348] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4349] <... write resumed>) = 4 [pid 4349] close(3) = 0 [pid 4350] rt_sigprocmask(SIG_SETMASK, [] [pid 4348] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4347] <... futex resumed>) = 1 [pid 4346] <... futex resumed>) = 0 executing program [pid 4349] write(1, "executing program\n", 18 [pid 4346] exit_group(0 [pid 4349] <... write resumed>) = 18 [pid 4346] <... exit_group resumed>) = ? [pid 4350] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4349] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4348] <... futex resumed>) = 1 [pid 4344] <... futex resumed>) = 0 [pid 4349] <... futex resumed>) = 0 [pid 4348] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4344] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4349] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4348] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4344] <... futex resumed>) = 0 [pid 4344] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4348] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4344] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4349] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4348] <... futex resumed>) = 0 [pid 4344] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4349] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4348] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4344] <... futex resumed>) = 0 [pid 4349] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4344] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4348] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4349] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4349] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4349] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4348] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4349] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4344] <... futex resumed>) = 0 [pid 4348] <... futex resumed>) = 1 [pid 4344] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4348] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4344] <... futex resumed>) = 0 [pid 4344] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... restart_syscall resumed>) = 0 [pid 4349] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4348] <... mkdirat resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4348] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4348] <... futex resumed>) = 1 [pid 4344] <... futex resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4348] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4344] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4349] <... clone3 resumed> => {parent_tid=[4351]}, 88) = 4351 [pid 4349] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4349] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4344] <... futex resumed>) = 0 [pid 4348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4352 [pid 4344] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4348] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0"ci2-android-5-15/strace-static-x86_64: Process 4352 attached ci2-android-5-15/strace-static-x86_64: Process 4351 attached [pid 4350] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4349] <... futex resumed>) = 0 [pid 4347] +++ exited with 0 +++ [pid 4346] +++ exited with 0 +++ [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4349] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4348] <... symlinkat resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4346, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4352] set_robust_list(0x5555810c5760, 24 [pid 4351] set_robust_list(0x7f85c0c359a0, 24 [pid 4350] <... prctl resumed>) = 0 [pid 4348] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4344] <... futex resumed>) = 0 [pid 4348] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4344] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4352] <... set_robust_list resumed>) = 0 [pid 4348] <... unlinkat resumed>) = 0 [pid 4344] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4348] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4344] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 4353 attached [pid 4352] rt_sigprocmask(SIG_SETMASK, [] [pid 4348] <... futex resumed>) = 0 [pid 4344] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4351] <... set_robust_list resumed>) = 0 [pid 4353] set_robust_list(0x5555810c5760, 24 [pid 4352] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4350] setpgid(0, 0 [pid 4348] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4344] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4353 [pid 4353] <... set_robust_list resumed>) = 0 [pid 4352] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4351] rt_sigprocmask(SIG_SETMASK, [] [pid 4348] <... unlinkat resumed>) = 0 [pid 4344] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4352] <... prctl resumed>) = 0 [pid 4348] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4344] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4352] setpgid(0, 0 [pid 4348] <... futex resumed>) = 0 [pid 4344] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4352] <... setpgid resumed>) = 0 [pid 4348] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4344] exit_group(0 [pid 4348] <... futex resumed>) = ? [pid 4344] <... exit_group resumed>) = ? [pid 4353] rt_sigprocmask(SIG_SETMASK, [] [pid 4352] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4351] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4350] <... setpgid resumed>) = 0 [pid 4352] <... openat resumed>) = 3 [pid 4348] +++ exited with 0 +++ [pid 4344] +++ exited with 0 +++ [pid 4352] write(3, "1000", 4 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4344, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4352] <... write resumed>) = 4 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4352] close(3 [pid 4353] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4353] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4352] <... close resumed>) = 0 [pid 4353] <... prctl resumed>) = 0 [pid 4352] write(1, "executing program\n", 18 executing program [pid 4353] setpgid(0, 0 [pid 4352] <... write resumed>) = 18 [pid 4353] <... setpgid resumed>) = 0 [pid 4353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4352] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4353] <... openat resumed>) = 3 [pid 4352] <... futex resumed>) = 0 [pid 4353] write(3, "1000", 4 [pid 4352] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4353] <... write resumed>) = 4 [pid 4352] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4353] close(3 [pid 4352] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4353] <... close resumed>) = 0 [pid 4352] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4353] write(1, "executing program\n", 18) = 18 executing program [pid 4353] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4352] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4353] <... futex resumed>) = 0 [pid 4352] <... mmap resumed>) = 0x7f85c0c15000 [pid 4353] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4352] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4353] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4353] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4353] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4353] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4352] <... mprotect resumed>) = 0 [pid 4350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4353] <... mprotect resumed>) = 0 [pid 4352] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4353] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4352] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4353] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4352] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4353] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4350] <... openat resumed>) = 3 [pid 4352] <... clone3 resumed> => {parent_tid=[4354]}, 88) = 4354 [pid 4351] mkdirat(AT_FDCWD, "./config", 0777 [pid 4352] rt_sigprocmask(SIG_SETMASK, [] [pid 4350] write(3, "1000", 4 [pid 4352] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4351] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4352] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4351] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4350] <... write resumed>) = 4 [pid 4352] <... futex resumed>) = 0 [pid 4353] <... clone3 resumed> => {parent_tid=[4355]}, 88) = 4355 [pid 4352] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4350] close(3 [pid 4349] <... futex resumed>) = 0 [pid 4351] <... futex resumed>) = 1 [pid 4349] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4351] mount(NULL, "./config", "configfs", 0, NULL [pid 4350] <... close resumed>) = 0 [pid 4349] <... futex resumed>) = 0 [pid 4353] rt_sigprocmask(SIG_SETMASK, [] [pid 4349] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4353] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4350] write(1, "executing program\n", 18 [pid 4351] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4353] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4353] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4354 attached [pid 4354] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4354] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4354] mkdirat(AT_FDCWD, "./config", 0777 [pid 4350] <... write resumed>) = 18 executing program [pid 4351] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4354] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4354] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4352] <... futex resumed>) = 0 [pid 4354] mount(NULL, "./config", "configfs", 0, NULL [pid 4352] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4350] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4352] <... futex resumed>) = 0 [pid 4351] <... futex resumed>) = 1 [pid 4349] <... futex resumed>) = 0 [pid 4352] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4350] <... futex resumed>) = 0 [pid 4349] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4351] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4350] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4349] <... futex resumed>) = 0 [pid 4354] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4351] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4350] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4349] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4354] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4351] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4350] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4354] <... futex resumed>) = 1 [pid 4352] <... futex resumed>) = 0 [pid 4350] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4352] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4351] <... futex resumed>) = 1 [pid 4349] <... futex resumed>) = 0 [pid 4352] <... futex resumed>) = 0 [pid 4351] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4350] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4349] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4352] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4349] <... futex resumed>) = 0 [pid 4351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4350] <... mmap resumed>) = 0x7f85c0c15000 [pid 4349] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4354] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4351] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4350] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4354] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4354] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4354] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4352] <... futex resumed>) = 0 [pid 4350] <... mprotect resumed>) = 0 [pid 4352] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4351] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4352] <... futex resumed>) = 0 [pid 4354] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4352] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4350] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4351] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4355 attached [pid 4354] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4355] set_robust_list(0x7f85c0c359a0, 24 [pid 4354] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4355] <... set_robust_list resumed>) = 0 [pid 4354] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4355] rt_sigprocmask(SIG_SETMASK, [] [pid 4354] <... futex resumed>) = 1 [pid 4352] <... futex resumed>) = 0 [pid 4350] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4351] <... futex resumed>) = 1 [pid 4349] <... futex resumed>) = 0 [pid 4352] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4351] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4350] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4349] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4352] <... futex resumed>) = 0 [pid 4351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4352] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4349] <... futex resumed>) = 0 [pid 4351] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4349] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4355] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4354] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4355] mkdirat(AT_FDCWD, "./config", 0777 [pid 4354] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4351] <... mkdirat resumed>) = 0 [pid 4350] <... clone3 resumed> => {parent_tid=[4356]}, 88) = 4356 [pid 4355] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4354] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4351] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4350] rt_sigprocmask(SIG_SETMASK, [] [pid 4351] <... futex resumed>) = 1 [pid 4350] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4349] <... futex resumed>) = 0 [pid 4351] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4350] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4349] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4349] <... futex resumed>) = 0 [pid 4350] <... futex resumed>) = 0 [pid 4349] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4351] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4350] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4355] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4354] <... futex resumed>) = 1 [pid 4352] <... futex resumed>) = 0 [pid 4351] <... symlinkat resumed>) = 0 [pid 4352] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4351] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4352] <... futex resumed>) = 0 [pid 4351] <... futex resumed>) = 1 [pid 4352] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4349] <... futex resumed>) = 0 [pid 4351] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4349] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4355] <... futex resumed>) = 1 [pid 4354] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4353] <... futex resumed>) = 0 [pid 4351] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4349] <... futex resumed>) = 0 [pid 4355] mount(NULL, "./config", "configfs", 0, NULL [pid 4354] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4353] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4349] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4355] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4354] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4353] <... futex resumed>) = 0 [pid 4351] <... unlinkat resumed>) = 0 [pid 4355] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4354] <... futex resumed>) = 1 [pid 4353] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4352] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4356 attached [pid 4355] <... futex resumed>) = 0 [pid 4354] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4353] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4352] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4351] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... restart_syscall resumed>) = 0 [pid 4355] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4354] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4353] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4352] <... futex resumed>) = 0 [pid 4351] <... futex resumed>) = 1 [pid 4349] <... futex resumed>) = 0 [pid 4355] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4354] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4353] <... futex resumed>) = 0 [pid 4352] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4351] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4349] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4355] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4354] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4353] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4349] <... futex resumed>) = 0 [pid 4351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4355] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4354] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4349] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4351] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4355] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4354] <... futex resumed>) = 1 [pid 4352] <... futex resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4356] set_robust_list(0x7f85c0c359a0, 24 [pid 4355] <... futex resumed>) = 1 [pid 4354] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4353] <... futex resumed>) = 0 [pid 4352] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4351] <... unlinkat resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4357 attached [pid 4356] <... set_robust_list resumed>) = 0 [pid 4355] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4354] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4353] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4352] <... futex resumed>) = 0 [pid 4351] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4356] rt_sigprocmask(SIG_SETMASK, [] [pid 4355] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4354] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4353] <... futex resumed>) = 0 [pid 4352] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4351] <... futex resumed>) = 1 [pid 4349] <... futex resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4357 [pid 4356] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4355] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4354] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4353] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4351] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4349] exit_group(0 [pid 4356] mkdirat(AT_FDCWD, "./config", 0777 [pid 4355] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4354] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4351] <... futex resumed>) = ? [pid 4349] <... exit_group resumed>) = ? [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4357] set_robust_list(0x5555810c5760, 24 [pid 4356] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4355] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4354] <... futex resumed>) = 1 [pid 4352] <... futex resumed>) = 0 [pid 4351] +++ exited with 0 +++ [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4357] <... set_robust_list resumed>) = 0 [pid 4355] <... futex resumed>) = 1 [pid 4354] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4356] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4353] <... futex resumed>) = 0 [pid 4352] exit_group(0 [pid 4349] +++ exited with 0 +++ [pid 4357] rt_sigprocmask(SIG_SETMASK, [] [pid 4356] <... futex resumed>) = 1 [pid 4355] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4354] <... futex resumed>) = ? [pid 4353] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4352] <... exit_group resumed>) = ? [pid 4350] <... futex resumed>) = 0 [pid 4357] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4355] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4354] +++ exited with 0 +++ [pid 4353] <... futex resumed>) = 0 [pid 4357] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4355] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4353] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4357] <... prctl resumed>) = 0 [pid 4355] <... mkdirat resumed>) = 0 [pid 4352] +++ exited with 0 +++ [pid 4350] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4349, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4357] setpgid(0, 0 [pid 4356] mount(NULL, "./config", "configfs", 0, NULL [pid 4355] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4350] <... futex resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4352, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4357] <... setpgid resumed>) = 0 [pid 4355] <... futex resumed>) = 1 [pid 4353] <... futex resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4350] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4356] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4355] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4353] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4357] <... openat resumed>) = 3 [pid 4355] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4353] <... futex resumed>) = 0 [pid 4357] write(3, "1000", 4 [pid 4355] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4353] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4357] <... write resumed>) = 4 [pid 4355] <... symlinkat resumed>) = 0 [pid 4357] close(3 [pid 4355] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4357] <... close resumed>) = 0 [pid 4355] <... futex resumed>) = 1 [pid 4353] <... futex resumed>) = 0 [pid 4357] write(1, "executing program\n", 18 executing program [pid 4355] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4353] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4357] <... write resumed>) = 18 [pid 4355] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4353] <... futex resumed>) = 0 [pid 4357] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4355] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4353] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4357] <... futex resumed>) = 0 [pid 4355] <... unlinkat resumed>) = 0 [pid 4357] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4355] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4357] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4355] <... futex resumed>) = 1 [pid 4353] <... futex resumed>) = 0 [pid 4357] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4355] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4353] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4357] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4355] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4353] <... futex resumed>) = 0 [pid 4357] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4355] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4353] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4357] <... mmap resumed>) = 0x7f85c0c15000 [pid 4355] <... unlinkat resumed>) = 0 [pid 4357] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4355] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4357] <... mprotect resumed>) = 0 [pid 4355] <... futex resumed>) = 1 [pid 4353] <... futex resumed>) = 0 [pid 4357] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4355] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4353] exit_group(0 [pid 4357] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4356] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4355] <... futex resumed>) = ? [pid 4353] <... exit_group resumed>) = ? [pid 4357] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4356] <... futex resumed>) = 1 [pid 4355] +++ exited with 0 +++ [pid 4350] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4358 attached [pid 4356] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4353] +++ exited with 0 +++ [pid 4350] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4358] set_robust_list(0x7f85c0c359a0, 24 [pid 4357] <... clone3 resumed> => {parent_tid=[4358]}, 88) = 4358 [pid 4356] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4350] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4353, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4358] <... set_robust_list resumed>) = 0 [pid 4357] rt_sigprocmask(SIG_SETMASK, [] [pid 4356] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4350] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4358] rt_sigprocmask(SIG_SETMASK, [] [pid 4357] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4356] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4358] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4357] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4356] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4358] mkdirat(AT_FDCWD, "./config", 0777 [pid 4357] <... futex resumed>) = 0 [pid 4358] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4357] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4356] <... futex resumed>) = 1 [pid 4350] <... futex resumed>) = 0 [pid 4358] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4356] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4350] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4358] <... futex resumed>) = 1 [pid 4357] <... futex resumed>) = 0 [pid 4358] mount(NULL, "./config", "configfs", 0, NULL [pid 4357] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4356] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4350] <... futex resumed>) = 0 [pid 4358] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4357] <... futex resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4358] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4357] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4356] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4350] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... restart_syscall resumed>) = 0 [pid 4358] <... futex resumed>) = 0 [pid 4357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4356] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4358] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4357] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4356] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4358] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4357] <... futex resumed>) = 0 [pid 4356] <... futex resumed>) = 1 [pid 4350] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4358] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4357] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4356] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4350] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 4359 attached [pid 4358] <... futex resumed>) = 0 [pid 4357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4356] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4350] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4358] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4357] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4359 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4360 [pid 4358] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4357] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4358] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4357] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4356] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4350] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4358] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4358] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4357] <... futex resumed>) = 0 [pid 4358] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4357] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4358] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4357] <... futex resumed>) = 0 [pid 4356] <... mkdirat resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4358] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4357] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4358] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4358] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4357] <... futex resumed>) = 0 [pid 4358] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4357] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4358] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4357] <... futex resumed>) = 0 [pid 4358] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4357] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4358] <... symlinkat resumed>) = 0 [pid 4358] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4357] <... futex resumed>) = 0 [pid 4358] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4357] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4358] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4357] <... futex resumed>) = 0 [pid 4358] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4357] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4358] <... unlinkat resumed>) = 0 [pid 4358] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4357] <... futex resumed>) = 0 [pid 4358] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4357] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4358] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4357] <... futex resumed>) = 0 [pid 4358] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4357] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4358] <... unlinkat resumed>) = 0 [pid 4358] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4357] <... futex resumed>) = 0 [pid 4358] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4357] exit_group(0 [pid 4358] <... futex resumed>) = ? [pid 4357] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 4360 attached [pid 4358] +++ exited with 0 +++ [pid 4359] set_robust_list(0x5555810c5760, 24 [pid 4357] +++ exited with 0 +++ [pid 4356] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4359] <... set_robust_list resumed>) = 0 [pid 4356] <... futex resumed>) = 1 [pid 4350] <... futex resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4357, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4361 [pid 4356] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4359] rt_sigprocmask(SIG_SETMASK, [] [pid 4350] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4359] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4356] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4350] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4356] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4350] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4359] prctl(PR_SET_PDEATHSIG, SIGKILLci2-android-5-15/strace-static-x86_64: Process 4361 attached [pid 4356] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4359] <... prctl resumed>) = 0 [pid 4356] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4359] setpgid(0, 0 [pid 4356] <... futex resumed>) = 1 [pid 4350] <... futex resumed>) = 0 [pid 4359] <... setpgid resumed>) = 0 [pid 4356] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4350] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4356] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4350] <... futex resumed>) = 0 [pid 4361] set_robust_list(0x5555810c5760, 24) = 0 [pid 4350] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4356] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4356] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4361] rt_sigprocmask(SIG_SETMASK, [] [pid 4359] <... openat resumed>) = 3 [pid 4356] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4361] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4356] <... futex resumed>) = 1 [pid 4350] <... futex resumed>) = 0 [pid 4359] write(3, "1000", 4 [pid 4356] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4350] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4359] <... write resumed>) = 4 [pid 4356] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4350] <... futex resumed>) = 0 [pid 4359] close(3 [pid 4356] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4350] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4361] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4356] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4361] <... prctl resumed>) = 0 [pid 4359] <... close resumed>) = 0 [pid 4356] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4361] setpgid(0, 0 [pid 4359] write(1, "executing program\n", 18 [pid 4356] <... futex resumed>) = 1 [pid 4350] <... futex resumed>) = 0 [pid 4356] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4350] exit_group(0 [pid 4359] <... write resumed>) = 18 [pid 4356] <... futex resumed>) = ? [pid 4350] <... exit_group resumed>) = ? [pid 4361] <... setpgid resumed>) = 0 [pid 4361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4356] +++ exited with 0 +++ [pid 4361] <... openat resumed>) = 3 [pid 4361] write(3, "1000", 4) = 4 [pid 4361] close(3) = 0 [pid 4361] write(1, "executing program\n", 18 [pid 4350] +++ exited with 0 +++ [pid 4361] <... write resumed>) = 18 [pid 4361] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4350, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program executing program [pid 4359] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4361] <... futex resumed>) = 0 [pid 4359] <... futex resumed>) = 0 [pid 4361] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4361] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4361] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4361] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4361] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4359] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4360] set_robust_list(0x5555810c5760, 24 [pid 4361] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4361] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4359] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4361] <... clone3 resumed> => {parent_tid=[4362]}, 88) = 4362 [pid 4360] <... set_robust_list resumed>) = 0 [pid 4359] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1]ci2-android-5-15/strace-static-x86_64: Process 4362 attached [pid 4362] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4362] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4362] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4361] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4361] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4361] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4362] <... futex resumed>) = 0 [pid 4362] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4362] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4361] <... futex resumed>) = 0 [pid 4361] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4361] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4362] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 4362] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4361] <... futex resumed>) = 0 [pid 4361] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4361] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4362] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4362] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4361] <... futex resumed>) = 0 [pid 4361] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4361] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4362] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4359] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 4359] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4362] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4362] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4359] <... mmap resumed>) = 0x7f85c0c15000 [pid 4359] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4362] <... futex resumed>) = 1 [pid 4361] <... futex resumed>) = 0 [pid 4359] <... mprotect resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4361] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4359] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4361] <... futex resumed>) = 0 [pid 4361] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... restart_syscall resumed>) = 0 [pid 4359] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4359] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4363 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4359] <... clone3 resumed> => {parent_tid=[4364]}, 88) = 4364 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4359] rt_sigprocmask(SIG_SETMASK, [] [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 4364 attached ci2-android-5-15/strace-static-x86_64: Process 4365 attached ci2-android-5-15/strace-static-x86_64: Process 4363 attached [pid 4359] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4365 [pid 311] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4362] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4360] rt_sigprocmask(SIG_SETMASK, [] [pid 4362] <... mkdirat resumed>) = 0 [pid 4359] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4360] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4360] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4362] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4361] <... futex resumed>) = 0 [pid 4361] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4361] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4360] <... prctl resumed>) = 0 [pid 4360] setpgid(0, 0 [pid 4362] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4360] <... setpgid resumed>) = 0 [pid 4362] <... symlinkat resumed>) = 0 [pid 4360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4362] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4359] <... futex resumed>) = 0 [pid 4362] <... futex resumed>) = 1 [pid 4359] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4361] <... futex resumed>) = 0 [pid 4361] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4361] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4362] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4360] write(3, "1000", 4) = 4 [pid 4362] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4360] close(3 [pid 4362] <... futex resumed>) = 1 [pid 4361] <... futex resumed>) = 0 [pid 4361] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4361] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4360] <... close resumed>) = 0 [pid 4362] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4365] set_robust_list(0x5555810c5760, 24 [pid 4364] set_robust_list(0x7f85c0c359a0, 24 [pid 4363] set_robust_list(0x5555810c5760, 24 [pid 4360] write(1, "executing program\n", 18) = 18 executing program [pid 4360] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4360] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4360] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4362] <... unlinkat resumed>) = 0 [pid 4360] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4360] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4360] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4364] <... set_robust_list resumed>) = 0 [pid 4362] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4361] <... futex resumed>) = 0 [pid 4361] exit_group(0) = ? [pid 4365] <... set_robust_list resumed>) = 0 [pid 4364] rt_sigprocmask(SIG_SETMASK, [] [pid 4363] <... set_robust_list resumed>) = 0 [pid 4364] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4360] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4363] rt_sigprocmask(SIG_SETMASK, [] [pid 4364] mkdirat(AT_FDCWD, "./config", 0777 [pid 4365] rt_sigprocmask(SIG_SETMASK, [] [pid 4364] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4363] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4362] +++ exited with 0 +++ [pid 4361] +++ exited with 0 +++ [pid 4360] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4361, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4360] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4364] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4363] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4360] <... clone3 resumed> => {parent_tid=[4366]}, 88) = 4366 [pid 4360] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4360] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4360] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4366 attached [pid 4366] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4366] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4366] mkdirat(AT_FDCWD, "./config", 0777 [pid 4364] <... futex resumed>) = 1 [pid 4363] <... prctl resumed>) = 0 [pid 4359] <... futex resumed>) = 0 [pid 4359] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4364] mount(NULL, "./config", "configfs", 0, NULL [pid 4363] setpgid(0, 0 [pid 4359] <... futex resumed>) = 0 [pid 4359] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4366] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4366] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4363] <... setpgid resumed>) = 0 [pid 4360] <... futex resumed>) = 0 [pid 4360] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4364] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4360] <... futex resumed>) = 0 [pid 4363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4364] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4360] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4366] <... futex resumed>) = 1 [pid 4366] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 4366] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4360] <... futex resumed>) = 0 [pid 4360] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4360] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4366] <... futex resumed>) = 1 [pid 4366] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4366] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4363] <... openat resumed>) = 3 [pid 4364] <... futex resumed>) = 1 [pid 4359] <... futex resumed>) = 0 [pid 4359] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4364] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4363] write(3, "1000", 4 [pid 4359] <... futex resumed>) = 0 [pid 4360] <... futex resumed>) = 0 [pid 4359] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4360] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4363] <... write resumed>) = 4 [pid 4364] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4360] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4366] <... futex resumed>) = 1 [pid 4365] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4364] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4363] close(3 [pid 4366] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4363] <... close resumed>) = 0 [pid 4359] <... futex resumed>) = 0 [pid 4364] <... futex resumed>) = 1 [pid 4359] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4363] write(1, "executing program\n", 18 [pid 4364] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4359] <... futex resumed>) = 0 [pid 4366] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4360] <... futex resumed>) = 0 [pid 4360] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 4359] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4364] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4363] <... write resumed>) = 18 [pid 4360] <... futex resumed>) = 0 [pid 4360] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4366] <... futex resumed>) = 1 [pid 4366] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4363] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4364] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4363] <... futex resumed>) = 0 [pid 4364] <... futex resumed>) = 1 [pid 4363] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4359] <... futex resumed>) = 0 [pid 4359] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4365] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4364] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4363] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4359] <... futex resumed>) = 0 [pid 4359] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4365] <... prctl resumed>) = 0 [pid 4363] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4365] setpgid(0, 0 [pid 4363] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4363] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4365] <... setpgid resumed>) = 0 [pid 4363] <... mmap resumed>) = 0x7f85c0c15000 [pid 4363] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4363] <... mprotect resumed>) = 0 [pid 4363] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4364] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4364] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4365] <... openat resumed>) = 3 [pid 4363] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4365] write(3, "1000", 4 [pid 4364] <... futex resumed>) = 1 [pid 4363] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4359] <... futex resumed>) = 0 [pid 4364] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4359] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4364] <... symlinkat resumed>) = 0 [pid 4359] <... futex resumed>) = 0 [pid 4365] <... write resumed>) = 4 [pid 4363] <... clone3 resumed> => {parent_tid=[4367]}, 88) = 4367 [pid 4359] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4365] close(3 [pid 4363] rt_sigprocmask(SIG_SETMASK, [] [pid 4364] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4363] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4365] <... close resumed>) = 0 [pid 4364] <... futex resumed>) = 1 [pid 4363] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4359] <... futex resumed>) = 0 [pid 4365] write(1, "executing program\n", 18 [pid 4363] <... futex resumed>) = 0 [pid 4359] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 4363] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4359] <... futex resumed>) = 0 [pid 4365] <... write resumed>) = 18 [pid 4359] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4364] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4365] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4364] <... unlinkat resumed>) = 0 [pid 4364] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4359] <... futex resumed>) = 0 [pid 4365] <... futex resumed>) = 0 [pid 4359] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4364] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4365] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4359] <... futex resumed>) = 0 [pid 4365] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4364] <... unlinkat resumed>) = 0 [pid 4359] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... restart_syscall resumed>) = 0 [pid 4366] <... mkdirat resumed>) = 0 [pid 4365] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4364] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4359] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4364] <... futex resumed>) = 0 [pid 4359] exit_group(0 [pid 4364] ???( [pid 4366] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4365] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4359] <... exit_group resumed>) = ? [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4364] <... ??? resumed>) = ? [pid 4366] <... futex resumed>) = 1 [pid 4365] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4364] +++ exited with 0 +++ [pid 4360] <... futex resumed>) = 0 [pid 4359] +++ exited with 0 +++ [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4360] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4359, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4366] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4365] <... mmap resumed>) = 0x7f85c0c15000 [pid 4360] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4360] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4367 attached [pid 4367] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4365] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4368 [pid 4367] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4365] <... mprotect resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4366] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4367] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4366] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4365] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4367] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4367] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4367] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4365] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4363] <... futex resumed>) = 0 [pid 4366] <... futex resumed>) = 1 [pid 4360] <... futex resumed>) = 0 [pid 4366] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4365] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4363] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4360] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4360] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4363] <... futex resumed>) = 0 [pid 4367] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4367] mount(NULL, "./config", "configfs", 0, NULL [pid 4366] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4365] <... clone3 resumed> => {parent_tid=[4369]}, 88) = 4369 [pid 4363] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4366] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4365] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4367] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4366] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4365] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4367] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4366] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4365] <... futex resumed>) = 0 [pid 4367] <... futex resumed>) = 1 [pid 4367] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4365] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4363] <... futex resumed>) = 0 [pid 4366] <... futex resumed>) = 1 [pid 4363] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4360] <... futex resumed>) = 0 [pid 4366] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4363] <... futex resumed>) = 1 [pid 4360] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4366] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4363] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4360] <... futex resumed>) = 0 [pid 4366] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4360] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4367] <... futex resumed>) = 0 [pid 4367] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4367] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4363] <... futex resumed>) = 0 [pid 4366] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4363] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4367] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4366] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4363] <... futex resumed>) = 0 [pid 4366] <... futex resumed>) = 1 [pid 4363] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4360] <... futex resumed>) = 0 [pid 4360] exit_group(0) = ? [pid 4367] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4367] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4363] <... futex resumed>) = 0 [pid 4363] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4367] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4363] <... futex resumed>) = 0 [pid 4367] <... mkdirat resumed>) = 0 [pid 4363] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4367] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4363] <... futex resumed>) = 0 [pid 4367] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4363] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4367] <... symlinkat resumed>) = 0 [pid 4366] +++ exited with 0 +++ [pid 4363] <... futex resumed>) = 0 [pid 4360] +++ exited with 0 +++ [pid 4363] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4360, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4367] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 4370 attached [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4370 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4371 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4370] set_robust_list(0x5555810c5760, 24 [pid 4367] <... futex resumed>) = 1 [pid 4363] <... futex resumed>) = 0 [pid 4367] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4363] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4367] <... unlinkat resumed>) = 0 [pid 4363] <... futex resumed>) = 0 [pid 4367] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4363] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4367] <... futex resumed>) = 0 [pid 4363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4367] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4363] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4367] <... unlinkat resumed>) = 0 [pid 4363] <... futex resumed>) = 0 [pid 4367] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4363] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4367] <... futex resumed>) = 0 [pid 4363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4367] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4363] exit_group(0 [pid 4367] <... futex resumed>) = ? [pid 4363] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 4371 attached [pid 4370] <... set_robust_list resumed>) = 0 [pid 4367] +++ exited with 0 +++ [pid 4363] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 4368 attached [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4363, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4368] set_robust_list(0x5555810c5760, 24 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4368] <... set_robust_list resumed>) = 0 [pid 4368] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4368] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4368] setpgid(0, 0) = 0 [pid 4368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4370] rt_sigprocmask(SIG_SETMASK, [] [pid 4368] <... openat resumed>) = 3 [pid 4368] write(3, "1000", 4) = 4 [pid 4368] close(3) = 0 [pid 4368] write(1, "executing program\n", 18ci2-android-5-15/strace-static-x86_64: Process 4369 attached ) = 18 executing program [pid 4369] set_robust_list(0x7f85c0c359a0, 24 [pid 4368] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4369] <... set_robust_list resumed>) = 0 [pid 4368] <... futex resumed>) = 0 [pid 4369] rt_sigprocmask(SIG_SETMASK, [] [pid 4368] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4369] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4369] mkdirat(AT_FDCWD, "./config", 0777 [pid 4368] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4369] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4368] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4369] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4368] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4369] <... futex resumed>) = 1 [pid 4368] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4365] <... futex resumed>) = 0 [pid 4370] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4365] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4369] mount(NULL, "./config", "configfs", 0, NULL [pid 4368] <... mmap resumed>) = 0x7f85c0c15000 [pid 4365] <... futex resumed>) = 0 [pid 4370] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4369] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4368] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4365] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4370] <... prctl resumed>) = 0 [pid 4369] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4368] <... mprotect resumed>) = 0 [pid 4370] setpgid(0, 0 [pid 4369] <... futex resumed>) = 1 [pid 4368] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4365] <... futex resumed>) = 0 [pid 4369] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4368] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4365] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4370] <... setpgid resumed>) = 0 [pid 4369] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4368] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4365] <... futex resumed>) = 0 [pid 4369] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4365] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4369] <... futex resumed>) = 0 [pid 4368] <... clone3 resumed> => {parent_tid=[4372]}, 88) = 4372 [pid 4365] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4370] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4369] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4368] rt_sigprocmask(SIG_SETMASK, [] [pid 4365] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4369] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4368] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4365] <... futex resumed>) = 0 [pid 4370] <... openat resumed>) = 3 [pid 4369] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4368] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4365] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4369] <... futex resumed>) = 0 [pid 4368] <... futex resumed>) = 0 [pid 4365] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4369] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4368] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4365] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4371] set_robust_list(0x5555810c5760, 24 [pid 4370] write(3, "1000", 4 [pid 4369] <... mkdirat resumed>) = 0 [pid 4365] <... futex resumed>) = 0 [pid 4369] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4365] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4370] <... write resumed>) = 4 [pid 4369] <... futex resumed>) = 0 [pid 4365] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4369] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4365] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4369] <... symlinkat resumed>) = 0 [pid 4365] <... futex resumed>) = 0 [pid 4369] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4365] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4369] <... futex resumed>) = 0 [pid 4365] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4369] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4365] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4369] <... unlinkat resumed>) = 0 [pid 4365] <... futex resumed>) = 0 [pid 4369] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4365] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4369] <... futex resumed>) = 0 [pid 4365] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4369] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4365] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4371] <... set_robust_list resumed>) = 0 [pid 4370] close(3 [pid 4369] <... unlinkat resumed>) = 0 [pid 4365] <... futex resumed>) = 0 [pid 4369] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4365] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4370] <... close resumed>) = 0 [pid 4369] <... futex resumed>) = 0 [pid 4365] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4371] rt_sigprocmask(SIG_SETMASK, [] [pid 4370] write(1, "executing program\n", 18 [pid 4369] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL executing program [pid 4365] exit_group(0 [pid 4371] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4370] <... write resumed>) = 18 [pid 4369] <... futex resumed>) = ? [pid 4365] <... exit_group resumed>) = ? [pid 4371] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4370] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4369] +++ exited with 0 +++ [pid 4365] +++ exited with 0 +++ [pid 4371] <... prctl resumed>) = 0 [pid 4370] <... futex resumed>) = 0 [pid 4370] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4371] setpgid(0, 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4365, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4370] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4371] <... setpgid resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4370] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1]ci2-android-5-15/strace-static-x86_64: Process 4372 attached [pid 4372] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4372] rt_sigprocmask(SIG_SETMASK, [] [pid 4371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4370] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4372] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4370] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4372] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4371] <... openat resumed>) = 3 [pid 4370] <... mmap resumed>) = 0x7f85c0c15000 [pid 4372] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4371] write(3, "1000", 4 [pid 4370] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4368] <... futex resumed>) = 0 [pid 4371] <... write resumed>) = 4 [pid 4368] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4372] <... futex resumed>) = 1 [pid 4371] close(3 [pid 4370] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4368] <... futex resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 4372] mount(NULL, "./config", "configfs", 0, NULL [pid 4371] <... close resumed>) = 0 [pid 4370] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4368] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... restart_syscall resumed>) = 0 [pid 4372] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4371] write(1, "executing program\n", 18 [pid 4370] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} executing program [pid 4372] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4371] <... write resumed>) = 18 [pid 4368] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4372] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4371] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4370] <... clone3 resumed> => {parent_tid=[4373]}, 88) = 4373 [pid 4368] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4372] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4371] <... futex resumed>) = 0 [pid 4370] rt_sigprocmask(SIG_SETMASK, [] [pid 4368] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4372] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4371] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4370] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4368] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4372] <... futex resumed>) = 0 [pid 4368] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4372] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4368] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4372] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4368] <... futex resumed>) = 0 [pid 4372] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4368] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4372] <... futex resumed>) = 0 [pid 4368] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4372] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4368] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4372] <... mkdirat resumed>) = 0 [pid 4368] <... futex resumed>) = 0 [pid 4372] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4371] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4370] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4368] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4374 [pid 4372] <... futex resumed>) = 0 [pid 4371] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4370] <... futex resumed>) = 0 [pid 4368] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4375 [pid 4372] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4371] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4370] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4368] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4372] <... symlinkat resumed>) = 0 [pid 4371] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4368] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4372] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4371] <... mmap resumed>) = 0x7f85c0c15000 [pid 4368] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4372] <... futex resumed>) = 0 [pid 4371] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4368] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4372] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4371] <... mprotect resumed>) = 0 [pid 4368] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4368] <... futex resumed>) = 0 [pid 4372] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4371] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4368] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4375 attached [pid 4372] <... unlinkat resumed>) = 0 [pid 4371] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4372] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4368] <... futex resumed>) = 0 [pid 4372] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4371] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4368] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4368] <... futex resumed>) = 0 [pid 4372] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4368] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4372] <... unlinkat resumed>) = 0 [pid 4372] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4371] <... clone3 resumed> => {parent_tid=[4376]}, 88) = 4376 [pid 4372] <... futex resumed>) = 1 [pid 4368] <... futex resumed>) = 0 [pid 4375] set_robust_list(0x5555810c5760, 24 [pid 4372] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4371] rt_sigprocmask(SIG_SETMASK, [] [pid 4368] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 4373 attached [pid 4375] <... set_robust_list resumed>) = 0 [pid 4372] <... futex resumed>) = ? [pid 4371] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4368] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 4376 attached ci2-android-5-15/strace-static-x86_64: Process 4374 attached [pid 4375] rt_sigprocmask(SIG_SETMASK, [] [pid 4373] set_robust_list(0x7f85c0c359a0, 24 [pid 4372] +++ exited with 0 +++ [pid 4371] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4368] +++ exited with 0 +++ [pid 4376] set_robust_list(0x7f85c0c359a0, 24 [pid 4375] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4374] set_robust_list(0x5555810c5760, 24 [pid 4373] <... set_robust_list resumed>) = 0 [pid 4371] <... futex resumed>) = 0 [pid 4375] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4374] <... set_robust_list resumed>) = 0 [pid 4373] rt_sigprocmask(SIG_SETMASK, [] [pid 4371] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4368, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4375] <... prctl resumed>) = 0 [pid 4373] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4375] setpgid(0, 0 [pid 4373] mkdirat(AT_FDCWD, "./config", 0777 [pid 4374] rt_sigprocmask(SIG_SETMASK, [] [pid 4375] <... setpgid resumed>) = 0 [pid 4374] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4373] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4374] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4373] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4375] <... openat resumed>) = 3 [pid 4374] <... prctl resumed>) = 0 [pid 4373] <... futex resumed>) = 1 [pid 4370] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4376] <... set_robust_list resumed>) = 0 [pid 4375] write(3, "1000", 4 [pid 4374] setpgid(0, 0 [pid 4373] mount(NULL, "./config", "configfs", 0, NULL [pid 4370] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4375] <... write resumed>) = 4 [pid 4373] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4370] <... futex resumed>) = 0 [pid 4375] close(3 [pid 4373] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4370] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4375] <... close resumed>) = 0 [pid 4373] <... futex resumed>) = 0 [pid 4370] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4375] write(1, "executing program\n", 18 [pid 4373] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4370] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4375] <... write resumed>) = 18 [pid 4374] <... setpgid resumed>) = 0 [pid 4373] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 4370] <... futex resumed>) = 0 [pid 4375] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4373] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4370] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4375] <... futex resumed>) = 0 [pid 4373] <... futex resumed>) = 0 [pid 4370] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4377 [pid 4375] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4373] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4370] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4375] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4373] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4370] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4375] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4373] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4370] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4375] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4374] <... openat resumed>) = 3 [pid 4373] <... futex resumed>) = 0 [pid 4370] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4375] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4373] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4370] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4375] <... mmap resumed>) = 0x7f85c0c15000 [pid 4373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4370] <... futex resumed>) = 0 [pid 4375] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4374] write(3, "1000", 4 [pid 4373] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4370] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4375] <... mprotect resumed>) = 0 [pid 4374] <... write resumed>) = 4 [pid 4373] <... mkdirat resumed>) = 0 [pid 4375] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4373] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4375] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4373] <... futex resumed>) = 1 [pid 4370] <... futex resumed>) = 0 [pid 4375] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4373] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4370] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4370] <... futex resumed>) = 0 [pid 4375] <... clone3 resumed> => {parent_tid=[4378]}, 88) = 4378 [pid 4373] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4370] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4375] rt_sigprocmask(SIG_SETMASK, [] [pid 4373] <... symlinkat resumed>) = 0 [pid 4375] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4373] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4375] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4373] <... futex resumed>) = 1 [pid 4370] <... futex resumed>) = 0 [pid 4375] <... futex resumed>) = 0 [pid 4373] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4370] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4375] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4370] <... futex resumed>) = 0 [pid 4373] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4370] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4376] rt_sigprocmask(SIG_SETMASK, [] [pid 4374] close(3 [pid 4373] <... unlinkat resumed>) = 0 [pid 4376] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4374] <... close resumed>) = 0 [pid 4373] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4377 attached [pid 4376] mkdirat(AT_FDCWD, "./config", 0777 [pid 4374] write(1, "executing program\n", 18 [pid 4373] <... futex resumed>) = 1 [pid 4370] <... futex resumed>) = 0 [pid 4377] set_robust_list(0x5555810c5760, 24 [pid 4376] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4374] <... write resumed>) = 18 [pid 4373] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4370] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4377] <... set_robust_list resumed>) = 0 executing program [pid 4374] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4370] <... futex resumed>) = 0 [pid 4376] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4377] rt_sigprocmask(SIG_SETMASK, [] [pid 4374] <... futex resumed>) = 0 [pid 4373] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4370] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4377] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4376] <... futex resumed>) = 1 [pid 4374] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4373] <... unlinkat resumed>) = 0 [pid 4371] <... futex resumed>) = 0 [pid 4377] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4376] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4374] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4373] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4377] <... prctl resumed>) = 0 [pid 4376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4374] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4373] <... futex resumed>) = 1 [pid 4371] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4370] <... futex resumed>) = 0 [pid 4377] setpgid(0, 0 [pid 4376] mount(NULL, "./config", "configfs", 0, NULL [pid 4374] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4373] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4371] <... futex resumed>) = 0 [pid 4370] exit_group(0 [pid 4377] <... setpgid resumed>) = 0 [pid 4374] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4373] <... futex resumed>) = ? [pid 4371] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4370] <... exit_group resumed>) = ? [pid 4377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4376] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4374] <... mmap resumed>) = 0x7f85c0c15000 [pid 4373] +++ exited with 0 +++ [pid 4370] +++ exited with 0 +++ [pid 4376] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4374] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4376] <... futex resumed>) = 1 [pid 4371] <... futex resumed>) = 0 [pid 4376] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4374] <... mprotect resumed>) = 0 [pid 4371] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4370, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4374] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4371] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4376] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4374] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4371] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4376] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4374] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0}ci2-android-5-15/strace-static-x86_64: Process 4378 attached [pid 4377] <... openat resumed>) = 3 [pid 4376] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4378] set_robust_list(0x7f85c0c359a0, 24 [pid 4377] write(3, "1000", 4 [pid 4376] <... futex resumed>) = 1 [pid 4374] <... clone3 resumed> => {parent_tid=[4379]}, 88) = 4379 [pid 4371] <... futex resumed>) = 0 [pid 4378] <... set_robust_list resumed>) = 0 [pid 4377] <... write resumed>) = 4 [pid 4376] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4374] rt_sigprocmask(SIG_SETMASK, [] [pid 4371] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4378] rt_sigprocmask(SIG_SETMASK, [] [pid 4377] close(3 [pid 4376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4374] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4371] <... futex resumed>) = 0 [pid 4378] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4377] <... close resumed>) = 0 [pid 4376] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4378] mkdirat(AT_FDCWD, "./config", 0777 [pid 4377] write(1, "executing program\n", 18 [pid 4374] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4371] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4378] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4377] <... write resumed>) = 18 [pid 4376] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4378] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 4377] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4376] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4374] <... futex resumed>) = 0 [pid 4378] <... futex resumed>) = 1 [pid 4377] <... futex resumed>) = 0 [pid 4375] <... futex resumed>) = 0 [pid 4378] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4377] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4376] <... futex resumed>) = 1 [pid 4375] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4374] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4371] <... futex resumed>) = 0 [pid 4378] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4377] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4376] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4375] <... futex resumed>) = 0 [pid 4371] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4378] mount(NULL, "./config", "configfs", 0, NULL [pid 4377] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4375] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4371] <... futex resumed>) = 0 [pid 4378] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4377] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4371] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4378] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4377] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4376] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4378] <... futex resumed>) = 1 [pid 4377] <... mmap resumed>) = 0x7f85c0c15000 [pid 4375] <... futex resumed>) = 0 [pid 4378] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4377] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4375] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4378] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4377] <... mprotect resumed>) = 0 [pid 4376] <... mkdirat resumed>) = 0 [pid 4375] <... futex resumed>) = 0 [pid 4378] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4377] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4376] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4375] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4378] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4377] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4376] <... futex resumed>) = 1 [pid 4371] <... futex resumed>) = 0 [pid 4378] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4377] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4371] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4378] <... futex resumed>) = 1 [pid 4376] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4375] <... futex resumed>) = 0 [pid 4371] <... futex resumed>) = 0 [pid 4378] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4377] <... clone3 resumed> => {parent_tid=[4380]}, 88) = 4380 [pid 4375] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4378] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4377] rt_sigprocmask(SIG_SETMASK, [] [pid 4376] <... symlinkat resumed>) = 0 [pid 4375] <... futex resumed>) = 0 [pid 4371] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4378] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4377] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4376] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4375] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ci2-android-5-15/strace-static-x86_64: Process 4379 attached [pid 4378] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4377] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4376] <... futex resumed>) = 0 [pid 4371] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4379] set_robust_list(0x7f85c0c359a0, 24 [pid 4378] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4377] <... futex resumed>) = 0 [pid 4376] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4371] <... futex resumed>) = 0 [pid 4379] <... set_robust_list resumed>) = 0 [pid 4378] <... futex resumed>) = 1 [pid 4377] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4375] <... futex resumed>) = 0 [pid 4379] rt_sigprocmask(SIG_SETMASK, [] [pid 4378] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4376] <... unlinkat resumed>) = 0 [pid 4375] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4371] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4379] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4378] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4376] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4375] <... futex resumed>) = 0 [pid 4371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4379] mkdirat(AT_FDCWD, "./config", 0777 [pid 4378] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4376] <... futex resumed>) = 0 [pid 4375] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4379] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4378] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4376] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4371] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4379] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4378] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4379] <... futex resumed>) = 1 [pid 4378] <... futex resumed>) = 1 [pid 4375] <... futex resumed>) = 0 [pid 4379] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4378] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4376] <... unlinkat resumed>) = 0 [pid 4375] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4374] <... futex resumed>) = 0 [pid 4371] <... futex resumed>) = 0 [pid 4378] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4376] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4375] <... futex resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 4378] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4376] <... futex resumed>) = 0 [pid 4375] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4374] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4371] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4380 attached [pid 4378] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4376] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4374] <... futex resumed>) = 1 [pid 4371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4379] <... futex resumed>) = 0 [pid 4378] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4374] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4371] exit_group(0 [pid 4379] mount(NULL, "./config", "configfs", 0, NULL [pid 4378] <... futex resumed>) = 1 [pid 4375] <... futex resumed>) = 0 [pid 4371] <... exit_group resumed>) = ? [pid 4379] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4378] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4376] <... futex resumed>) = ? [pid 4375] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4379] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4378] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4375] <... futex resumed>) = 0 [pid 4379] <... futex resumed>) = 1 [pid 4378] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4375] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4379] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4378] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4378] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4376] +++ exited with 0 +++ [pid 4375] <... futex resumed>) = 0 [pid 4371] +++ exited with 0 +++ [pid 4378] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4375] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4374] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4371, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4378] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4375] <... futex resumed>) = 0 [pid 4374] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4379] <... futex resumed>) = 0 [pid 4378] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4375] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4374] <... futex resumed>) = 1 [pid 4379] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4378] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4379] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4378] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4379] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4378] <... futex resumed>) = 1 [pid 4375] <... futex resumed>) = 0 [pid 4374] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4379] <... futex resumed>) = 0 [pid 4378] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4375] exit_group(0 [pid 4374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4381 [pid 4379] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4378] <... futex resumed>) = ? [pid 4375] <... exit_group resumed>) = ? [pid 4374] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4380] set_robust_list(0x7f85c0c359a0, 24 [pid 4379] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4378] +++ exited with 0 +++ [pid 4375] +++ exited with 0 +++ [pid 4374] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4380] <... set_robust_list resumed>) = 0 [pid 4379] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4374] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4375, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4380] rt_sigprocmask(SIG_SETMASK, [] [pid 4379] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4379] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4380] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4379] <... futex resumed>) = 1 [pid 4374] <... futex resumed>) = 0 [pid 4379] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 4374] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4380] mkdirat(AT_FDCWD, "./config", 0777 [pid 4379] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4374] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4380] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4379] <... mkdirat resumed>) = 0 [pid 4374] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4380] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4379] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4379] <... futex resumed>) = 0 [pid 4379] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 4381 attached [pid 4381] set_robust_list(0x5555810c5760, 24) = 0 [pid 4380] <... futex resumed>) = 1 [pid 4377] <... futex resumed>) = 0 [pid 4374] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4377] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4379] <... futex resumed>) = 0 [pid 4374] <... futex resumed>) = 1 [pid 4380] mount(NULL, "./config", "configfs", 0, NULL [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4382 [pid 4379] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4377] <... futex resumed>) = 0 [pid 4374] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4380] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4379] <... symlinkat resumed>) = 0 [pid 4377] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4379] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4380] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4379] <... futex resumed>) = 1 [pid 4374] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4379] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4381] rt_sigprocmask(SIG_SETMASK, [] [pid 4374] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4380] <... futex resumed>) = 1 [pid 4377] <... futex resumed>) = 0 [pid 4379] <... futex resumed>) = 0 [pid 4374] <... futex resumed>) = 1 [pid 4381] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4380] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4379] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4377] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4381] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4380] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4379] <... unlinkat resumed>) = 0 [pid 4377] <... futex resumed>) = 0 [pid 4374] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4381] <... prctl resumed>) = 0 [pid 4379] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4377] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4381] setpgid(0, 0 [pid 4380] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4379] <... futex resumed>) = 0 [pid 4377] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4381] <... setpgid resumed>) = 0 [pid 4379] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4377] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4374] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4380] <... futex resumed>) = 0 [pid 4379] <... unlinkat resumed>) = 0 [pid 4377] <... futex resumed>) = 0 [pid 4374] <... futex resumed>) = 0 [pid 4381] <... openat resumed>) = 3 [pid 4380] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4379] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4377] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4381] write(3, "1000", 4 [pid 4380] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4379] <... futex resumed>) = 0 [pid 4374] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4381] <... write resumed>) = 4 [pid 4379] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4381] close(3 [pid 4380] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4381] <... close resumed>) = 0 [pid 4374] exit_group(0 [pid 4381] write(1, "executing program\n", 18 [pid 4380] <... futex resumed>) = 1 [pid 4379] <... futex resumed>) = ? [pid 4377] <... futex resumed>) = 0 [pid 4374] <... exit_group resumed>) = ? [pid 4381] <... write resumed>) = 18 [pid 4380] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4379] +++ exited with 0 +++ [pid 4377] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4381] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4377] <... futex resumed>) = 0 [pid 4381] <... futex resumed>) = 0 [pid 4377] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4381] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4381] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4381] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4374] +++ exited with 0 +++ [pid 4381] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE executing program [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4374, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4380] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4381] <... mprotect resumed>) = 0 [pid 4381] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4380] <... mkdirat resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4382 attached [pid 4381] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4380] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4382] set_robust_list(0x5555810c5760, 24 [pid 4380] <... futex resumed>) = 1 [pid 4377] <... futex resumed>) = 0 [pid 4382] <... set_robust_list resumed>) = 0 [pid 4381] <... clone3 resumed> => {parent_tid=[4383]}, 88) = 4383 [pid 4377] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4383 attached [pid 4382] rt_sigprocmask(SIG_SETMASK, [] [pid 4381] rt_sigprocmask(SIG_SETMASK, [] [pid 4380] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4377] <... futex resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4382] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4381] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4377] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4382] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4381] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4380] <... symlinkat resumed>) = 0 [pid 4383] set_robust_list(0x7f85c0c359a0, 24 [pid 4382] <... prctl resumed>) = 0 [pid 4381] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4382] setpgid(0, 0 [pid 4381] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4380] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4382] <... setpgid resumed>) = 0 [pid 4380] <... futex resumed>) = 1 [pid 4377] <... futex resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4383] <... set_robust_list resumed>) = 0 [pid 4382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4380] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4377] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4384 attached [pid 4383] rt_sigprocmask(SIG_SETMASK, [] [pid 4382] <... openat resumed>) = 3 [pid 4380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4377] <... futex resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4384 [pid 4382] write(3, "1000", 4 [pid 4377] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4382] <... write resumed>) = 4 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4382] close(3) = 0 [pid 4382] write(1, "executing program\n", 18) = 18 executing program [pid 4382] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4380] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4382] <... futex resumed>) = 0 [pid 4382] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4382] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4382] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4382] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4382] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4382] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4380] <... unlinkat resumed>) = 0 [pid 4383] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4382] <... clone3 resumed> => {parent_tid=[4385]}, 88) = 4385 [pid 4382] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4382] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4382] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... restart_syscall resumed>) = 0 [pid 4380] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4385 attached [pid 4385] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4385] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4385] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4385] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4382] <... futex resumed>) = 0 [pid 4382] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4382] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4385] <... futex resumed>) = 1 [pid 4385] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 4385] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4382] <... futex resumed>) = 0 [pid 4383] mkdirat(AT_FDCWD, "./config", 0777 [pid 4382] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4380] <... futex resumed>) = 1 [pid 4377] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4383] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4382] <... futex resumed>) = 0 [pid 4380] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4377] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4382] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4377] <... futex resumed>) = 0 [pid 4383] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4377] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4383] <... futex resumed>) = 1 [pid 4381] <... futex resumed>) = 0 [pid 4380] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4381] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4381] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4385] <... futex resumed>) = 1 [pid 4385] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4385] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4382] <... futex resumed>) = 0 [pid 4382] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4380] <... unlinkat resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4386 [pid 4383] mount(NULL, "./config", "configfs", 0, NULL [pid 4382] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4380] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4383] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4380] <... futex resumed>) = 1 [pid 4377] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4383] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4380] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4377] exit_group(0 [pid 4383] <... futex resumed>) = 1 [pid 4381] <... futex resumed>) = 0 [pid 4380] <... futex resumed>) = ? [pid 4377] <... exit_group resumed>) = ? [pid 4383] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4381] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4381] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4385] <... futex resumed>) = 1 [pid 4385] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4385] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4382] <... futex resumed>) = 0 [pid 4382] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4382] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4385] <... futex resumed>) = 1 [pid 4380] +++ exited with 0 +++ [pid 4377] +++ exited with 0 +++ [pid 4385] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4377, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4383] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4385] <... mkdirat resumed>) = 0 [pid 4383] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4384] set_robust_list(0x5555810c5760, 24 [pid 4385] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4382] <... futex resumed>) = 0 [pid 4382] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4382] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4385] <... futex resumed>) = 1 [pid 4385] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4385] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4382] <... futex resumed>) = 0 [pid 4382] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4382] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4384] <... set_robust_list resumed>) = 0 [pid 4383] <... futex resumed>) = 1 [pid 4381] <... futex resumed>) = 0 [pid 4381] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4381] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4385] <... futex resumed>) = 1 [pid 4385] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 4383] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4385] <... unlinkat resumed>) = 0 [pid 4383] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4385] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4383] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4382] <... futex resumed>) = 0 [pid 4382] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4382] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4385] <... futex resumed>) = 1 [pid 4385] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4383] <... futex resumed>) = 1 [pid 4381] <... futex resumed>) = 0 [pid 4381] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4383] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4381] <... futex resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4387 [pid 4385] <... unlinkat resumed>) = 0 [pid 4381] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4385] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4385] <... futex resumed>) = 1 [pid 4382] <... futex resumed>) = 0 [pid 4385] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4382] exit_group(0 [pid 4385] <... futex resumed>) = ? [pid 4383] <... mkdirat resumed>) = 0 [pid 4382] <... exit_group resumed>) = ? [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4387 attached [pid 4385] +++ exited with 0 +++ [pid 4384] rt_sigprocmask(SIG_SETMASK, [] [pid 4383] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4382] +++ exited with 0 +++ [pid 4383] <... futex resumed>) = 1 [pid 4381] <... futex resumed>) = 0 [pid 4381] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4383] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4381] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4386 attached [pid 4383] <... symlinkat resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4382, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4386] set_robust_list(0x5555810c5760, 24 [pid 4383] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4383] <... futex resumed>) = 1 [pid 4381] <... futex resumed>) = 0 [pid 4383] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4381] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4386] <... set_robust_list resumed>) = 0 [pid 4383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4381] <... futex resumed>) = 0 [pid 4386] rt_sigprocmask(SIG_SETMASK, [] [pid 4384] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4383] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4381] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4386] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4383] <... unlinkat resumed>) = 0 [pid 4386] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4383] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4386] <... prctl resumed>) = 0 [pid 4381] <... futex resumed>) = 0 [pid 4386] setpgid(0, 0 [pid 4381] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4386] <... setpgid resumed>) = 0 [pid 4383] <... futex resumed>) = 1 [pid 4381] <... futex resumed>) = 0 [pid 4386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4383] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4381] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4386] <... openat resumed>) = 3 [pid 4383] <... unlinkat resumed>) = 0 [pid 4386] write(3, "1000", 4 [pid 4383] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4386] <... write resumed>) = 4 [pid 4383] <... futex resumed>) = 1 [pid 4381] <... futex resumed>) = 0 [pid 4386] close(3 [pid 4383] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4381] exit_group(0 [pid 4386] <... close resumed>) = 0 [pid 4381] <... exit_group resumed>) = ? [pid 4386] write(1, "executing program\n", 18 [pid 4383] <... futex resumed>) = ? [pid 4386] <... write resumed>) = 18 [pid 4386] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4386] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4386] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4386] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4386] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4383] +++ exited with 0 +++ [pid 4381] +++ exited with 0 +++ [pid 4386] <... mprotect resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4381, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4386] rt_sigprocmask(SIG_BLOCK, ~[] executing program [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4386] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 4386] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[4388]}, 88) = 4388 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4386] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4386] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4386] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4386] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4388 attached [pid 4388] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4388] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4389 [pid 4388] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4388] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4384] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4388] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4386] <... futex resumed>) = 0 [pid 4386] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... restart_syscall resumed>) = 0 [pid 4384] setpgid(0, 0) = 0 [pid 4386] <... futex resumed>) = 0 [pid 4386] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4388] <... futex resumed>) = 1 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4388] mount(NULL, "./config", "configfs", 0, NULL [pid 4384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4388] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4388] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4386] <... futex resumed>) = 0 [pid 4386] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4386] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4388] <... futex resumed>) = 1 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4390 [pid 4388] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4384] <... openat resumed>) = 3 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4388] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4384] write(3, "1000", 4 [pid 4388] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4384] <... write resumed>) = 4 [pid 4386] <... futex resumed>) = 0 [pid 4386] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4386] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4388] <... futex resumed>) = 1 [pid 4388] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4384] close(3 [pid 4388] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4384] <... close resumed>) = 0 [pid 4388] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4386] <... futex resumed>) = 0 [pid 4386] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4386] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4388] <... futex resumed>) = 1 [pid 4388] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4384] write(1, "executing program\n", 18 [pid 4387] set_robust_list(0x5555810c5760, 24 [pid 4388] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4386] <... futex resumed>) = 0 [pid 4386] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4386] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4388] <... futex resumed>) = 1 [pid 4388] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4388] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4386] <... futex resumed>) = 0 [pid 4386] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4386] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4388] <... futex resumed>) = 1 [pid 4388] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4388] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4386] <... futex resumed>) = 0 [pid 4386] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4386] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4388] <... futex resumed>) = 1 [pid 4388] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4388] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4386] <... futex resumed>) = 0 [pid 4386] exit_group(0) = ? [pid 4388] <... futex resumed>) = ? [pid 4384] <... write resumed>) = 18 [pid 4387] <... set_robust_list resumed>) = 0 [pid 4384] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 4387] rt_sigprocmask(SIG_SETMASK, [] [pid 4384] <... futex resumed>) = 0 [pid 4384] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4387] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4384] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4384] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4387] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4384] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4384] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4387] <... prctl resumed>) = 0 [pid 4384] <... mmap resumed>) = 0x7f85c0c15000 [pid 4387] setpgid(0, 0 [pid 4384] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4387] <... setpgid resumed>) = 0 [pid 4384] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4384] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4384] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4388] +++ exited with 0 +++ [pid 4386] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4386, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4387] <... openat resumed>) = 3 [pid 4384] <... clone3 resumed> => {parent_tid=[4391]}, 88) = 4391 [pid 4384] rt_sigprocmask(SIG_SETMASK, [] [pid 4387] write(3, "1000", 4 [pid 4384] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4389 attached [pid 4384] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4387] <... write resumed>) = 4 [pid 4384] <... futex resumed>) = 0 [pid 4389] set_robust_list(0x5555810c5760, 24 [pid 4387] close(3 [pid 4384] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4387] <... close resumed>) = 0 [pid 4389] <... set_robust_list resumed>) = 0 [pid 4389] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4389] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4389] setpgid(0, 0) = 0 [pid 4389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4387] write(1, "executing program\n", 18ci2-android-5-15/strace-static-x86_64: Process 4390 attached [pid 4389] <... openat resumed>) = 3 executing program [pid 4389] write(3, "1000", 4) = 4 [pid 4387] <... write resumed>) = 18 ci2-android-5-15/strace-static-x86_64: Process 4391 attached [pid 4390] set_robust_list(0x5555810c5760, 24 [pid 304] <... restart_syscall resumed>) = 0 [pid 4387] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4389] close(3 [pid 4387] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4387] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4389] <... close resumed>) = 0 [pid 4389] write(1, "executing program\n", 18) = 18 [pid 4389] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4389] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4389] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4389] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 executing program [pid 4387] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4389] <... mmap resumed>) = 0x7f85c0c15000 [pid 4387] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4392 [pid 4389] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4387] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4389] <... mprotect resumed>) = 0 [pid 4387] <... mmap resumed>) = 0x7f85c0c15000 [pid 4389] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4387] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4389] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[4393]}, 88) = 4393 [pid 4389] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4389] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4389] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4391] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4391] rt_sigprocmask(SIG_SETMASK, [] [pid 4390] <... set_robust_list resumed>) = 0 [pid 4391] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4390] rt_sigprocmask(SIG_SETMASK, [] [pid 4391] mkdirat(AT_FDCWD, "./config", 0777 [pid 4387] <... mprotect resumed>) = 0 [pid 4391] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4387] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4390] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4387] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4391] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4390] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4387] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4391] <... futex resumed>) = 1 [pid 4384] <... futex resumed>) = 0 [pid 4391] mount(NULL, "./config", "configfs", 0, NULL [pid 4384] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4391] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4384] <... futex resumed>) = 0 [pid 4390] <... prctl resumed>) = 0 [pid 4387] <... clone3 resumed> => {parent_tid=[4394]}, 88) = 4394 [pid 4384] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4387] rt_sigprocmask(SIG_SETMASK, [] [pid 4390] setpgid(0, 0 [pid 4387] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4390] <... setpgid resumed>) = 0 [pid 4387] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4390] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4387] <... futex resumed>) = 0 [pid 4391] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4387] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4384] <... futex resumed>) = 0 [pid 4384] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4384] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4391] <... futex resumed>) = 1 [pid 4391] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4390] <... openat resumed>) = 3 [pid 4391] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4391] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4384] <... futex resumed>) = 0 [pid 4384] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4384] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4393 attached [pid 4391] <... futex resumed>) = 1 [pid 4391] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4391] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4384] <... futex resumed>) = 0 [pid 4384] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4384] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4390] write(3, "1000", 4 [pid 4391] <... futex resumed>) = 1 [pid 4390] <... write resumed>) = 4 [pid 4391] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4393] set_robust_list(0x7f85c0c359a0, 24 [pid 4390] close(3) = 0 ci2-android-5-15/strace-static-x86_64: Process 4394 attached [pid 4393] <... set_robust_list resumed>) = 0 [pid 4390] write(1, "executing program\n", 18) = 18 [pid 4391] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 4390] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4391] <... futex resumed>) = 1 [pid 4390] <... futex resumed>) = 0 [pid 4384] <... futex resumed>) = 0 [pid 4391] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4390] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4384] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4391] <... symlinkat resumed>) = 0 [pid 4390] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4384] <... futex resumed>) = 0 [pid 4393] rt_sigprocmask(SIG_SETMASK, [] [pid 4391] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4390] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4384] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4391] <... futex resumed>) = 0 [pid 4390] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4391] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4390] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4384] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4391] <... unlinkat resumed>) = 0 [pid 4390] <... mmap resumed>) = 0x7f85c0c15000 [pid 4384] <... futex resumed>) = 0 [pid 4391] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4390] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4384] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4391] <... futex resumed>) = 0 [pid 4390] <... mprotect resumed>) = 0 [pid 4384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4391] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4390] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4384] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4393] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4392 attached [pid 4394] set_robust_list(0x7f85c0c359a0, 24 [pid 4393] mkdirat(AT_FDCWD, "./config", 0777 [pid 4391] <... unlinkat resumed>) = 0 [pid 4390] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4384] <... futex resumed>) = 0 [pid 4391] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4390] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4384] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4391] <... futex resumed>) = 0 [pid 4384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4394] <... set_robust_list resumed>) = 0 [pid 4393] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4391] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4390] <... clone3 resumed> => {parent_tid=[4395]}, 88) = 4395 [pid 4384] exit_group(0 [pid 4394] rt_sigprocmask(SIG_SETMASK, [] [pid 4393] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4391] <... futex resumed>) = ? [pid 4390] rt_sigprocmask(SIG_SETMASK, [] [pid 4384] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 4395 attached [pid 4394] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4393] <... futex resumed>) = 1 [pid 4392] set_robust_list(0x5555810c5760, 24 [pid 4390] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4389] <... futex resumed>) = 0 [pid 4395] set_robust_list(0x7f85c0c359a0, 24 [pid 4394] mkdirat(AT_FDCWD, "./config", 0777 [pid 4393] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4391] +++ exited with 0 +++ [pid 4390] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4389] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4384] +++ exited with 0 +++ [pid 4394] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4390] <... futex resumed>) = 0 [pid 4389] <... futex resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4384, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4394] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4393] mount(NULL, "./config", "configfs", 0, NULL [pid 4390] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4389] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4393] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 306] <... restart_syscall resumed>) = 0 [pid 4394] <... futex resumed>) = 1 [pid 4393] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4392] <... set_robust_list resumed>) = 0 [pid 4387] <... futex resumed>) = 0 [pid 4394] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4393] <... futex resumed>) = 1 [pid 4389] <... futex resumed>) = 0 [pid 4387] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4393] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4392] rt_sigprocmask(SIG_SETMASK, [] [pid 4389] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4387] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4394] mount(NULL, "./config", "configfs", 0, NULL [pid 4393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4389] <... futex resumed>) = 0 [pid 4387] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4393] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4389] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4395] <... set_robust_list resumed>) = 0 [pid 4394] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4393] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4392] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4396 attached [pid 4394] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4393] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4396] set_robust_list(0x5555810c5760, 24 [pid 4394] <... futex resumed>) = 1 [pid 4393] <... futex resumed>) = 1 [pid 4389] <... futex resumed>) = 0 [pid 4387] <... futex resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4396 [pid 4396] <... set_robust_list resumed>) = 0 [pid 4394] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4393] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4392] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4389] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4387] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4396] rt_sigprocmask(SIG_SETMASK, [] [pid 4394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4392] <... prctl resumed>) = 0 [pid 4389] <... futex resumed>) = 0 [pid 4387] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4396] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4394] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4393] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4392] setpgid(0, 0 [pid 4389] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4387] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4396] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4394] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4393] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4392] <... setpgid resumed>) = 0 [pid 4394] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4393] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4396] <... prctl resumed>) = 0 [pid 4394] <... futex resumed>) = 1 [pid 4393] <... futex resumed>) = 1 [pid 4389] <... futex resumed>) = 0 [pid 4387] <... futex resumed>) = 0 [pid 4396] setpgid(0, 0 [pid 4394] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4393] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4389] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4387] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4396] <... setpgid resumed>) = 0 [pid 4394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4389] <... futex resumed>) = 0 [pid 4387] <... futex resumed>) = 0 [pid 4396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4394] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4393] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4392] <... openat resumed>) = 3 [pid 4389] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4387] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4396] <... openat resumed>) = 3 [pid 4394] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4393] <... mkdirat resumed>) = 0 [pid 4392] write(3, "1000", 4 [pid 4394] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4393] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4394] <... futex resumed>) = 1 [pid 4387] <... futex resumed>) = 0 [pid 4396] write(3, "1000", 4 [pid 4394] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4393] <... futex resumed>) = 1 [pid 4392] <... write resumed>) = 4 [pid 4389] <... futex resumed>) = 0 [pid 4387] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4396] <... write resumed>) = 4 [pid 4394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4393] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4389] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4396] close(3 [pid 4394] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4392] close(3 [pid 4389] <... futex resumed>) = 0 [pid 4387] <... futex resumed>) = 0 [pid 4396] <... close resumed>) = 0 [pid 4394] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4393] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4392] <... close resumed>) = 0 [pid 4389] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4396] write(1, "executing program\n", 18 [pid 4394] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4387] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4396] <... write resumed>) = 18 executing program [pid 4394] <... futex resumed>) = 0 [pid 4393] <... symlinkat resumed>) = 0 [pid 4392] write(1, "executing program\n", 18 [pid 4387] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4396] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4394] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4393] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4387] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4396] <... futex resumed>) = 0 [pid 4394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4393] <... futex resumed>) = 1 [pid 4392] <... write resumed>) = 18 [pid 4389] <... futex resumed>) = 0 [pid 4387] <... futex resumed>) = 0 [pid 4396] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4394] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4393] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4389] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4387] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4396] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4395] rt_sigprocmask(SIG_SETMASK, [] [pid 4394] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4392] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4389] <... futex resumed>) = 0 executing program [pid 4396] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4395] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4394] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4393] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4392] <... futex resumed>) = 0 [pid 4389] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4396] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4394] <... futex resumed>) = 1 [pid 4393] <... unlinkat resumed>) = 0 [pid 4387] <... futex resumed>) = 0 [pid 4392] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4396] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4395] mkdirat(AT_FDCWD, "./config", 0777 [pid 4394] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4393] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4392] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4387] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4396] <... mmap resumed>) = 0x7f85c0c15000 [pid 4395] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4393] <... futex resumed>) = 1 [pid 4389] <... futex resumed>) = 0 [pid 4396] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4395] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4394] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4393] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4392] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4389] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4387] <... futex resumed>) = 0 [pid 4396] <... mprotect resumed>) = 0 [pid 4389] <... futex resumed>) = 0 [pid 4396] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4395] <... futex resumed>) = 1 [pid 4394] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4392] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4390] <... futex resumed>) = 0 [pid 4389] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4387] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4396] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4395] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4394] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4393] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4392] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4390] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4387] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4396] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4394] <... futex resumed>) = 0 [pid 4390] <... futex resumed>) = 0 [pid 4395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4394] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4393] <... unlinkat resumed>) = 0 [pid 4392] <... mmap resumed>) = 0x7f85c0c15000 [pid 4390] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4387] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4396] <... clone3 resumed> => {parent_tid=[4397]}, 88) = 4397 [pid 4396] rt_sigprocmask(SIG_SETMASK, [] [pid 4395] mount(NULL, "./config", "configfs", 0, NULL [pid 4394] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4393] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4392] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4387] <... futex resumed>) = 0 [pid 4396] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4394] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4389] <... futex resumed>) = 0 [pid 4396] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4394] <... futex resumed>) = 0 [pid 4393] <... futex resumed>) = 1 [pid 4392] <... mprotect resumed>) = 0 [pid 4389] exit_group(0 [pid 4387] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4396] <... futex resumed>) = 0 [pid 4395] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4394] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4392] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4389] <... exit_group resumed>) = ? [pid 4387] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ci2-android-5-15/strace-static-x86_64: Process 4397 attached [pid 4396] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4395] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4393] +++ exited with 0 +++ [pid 4392] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4389] +++ exited with 0 +++ [pid 4387] exit_group(0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4389, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4397] set_robust_list(0x7f85c0c359a0, 24 [pid 4394] <... futex resumed>) = ? [pid 4395] <... futex resumed>) = 1 [pid 4392] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4390] <... futex resumed>) = 0 [pid 4387] <... exit_group resumed>) = ? [pid 4397] <... set_robust_list resumed>) = 0 [pid 4394] +++ exited with 0 +++ [pid 4390] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4397] rt_sigprocmask(SIG_SETMASK, [] [pid 4390] <... futex resumed>) = 0 [pid 4397] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4390] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4397] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4397] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4396] <... futex resumed>) = 0 [pid 4387] +++ exited with 0 +++ [pid 4397] mount(NULL, "./config", "configfs", 0, NULL [pid 4396] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4392] <... clone3 resumed> => {parent_tid=[4398]}, 88) = 4398 [pid 4395] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4397] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4396] <... futex resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 4397] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4396] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4392] rt_sigprocmask(SIG_SETMASK, [] [pid 4395] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4387, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4397] <... futex resumed>) = 0 [pid 4396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4392] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4397] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4396] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4395] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4392] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4397] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4396] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4397] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4396] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4395] <... futex resumed>) = 1 [pid 4392] <... futex resumed>) = 0 [pid 4390] <... futex resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... restart_syscall resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4399 attached ci2-android-5-15/strace-static-x86_64: Process 4398 attached [pid 4397] <... futex resumed>) = 0 [pid 4396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4395] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4392] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4390] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4399] set_robust_list(0x5555810c5760, 24 [pid 4397] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4396] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4390] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4399 [pid 4399] <... set_robust_list resumed>) = 0 [pid 4397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4396] <... futex resumed>) = 0 [pid 4395] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4390] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4399] rt_sigprocmask(SIG_SETMASK, [] [pid 4397] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4396] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4395] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4399] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4397] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4395] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4399] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4398] set_robust_list(0x7f85c0c359a0, 24 [pid 4397] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4395] <... futex resumed>) = 1 [pid 4390] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4399] <... prctl resumed>) = 0 [pid 4397] <... futex resumed>) = 1 [pid 4396] <... futex resumed>) = 0 [pid 4395] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4390] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4399] setpgid(0, 0 [pid 4397] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4396] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4390] <... futex resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4399] <... setpgid resumed>) = 0 [pid 4397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4396] <... futex resumed>) = 0 [pid 4399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4397] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4396] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4395] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4399] <... openat resumed>) = 3 [pid 4397] <... mkdirat resumed>) = 0 [pid 4390] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4399] write(3, "1000", 4 [pid 4397] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4399] <... write resumed>) = 4 [pid 4397] <... futex resumed>) = 1 [pid 4396] <... futex resumed>) = 0 [pid 4395] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4400 [pid 4399] close(3 [pid 4397] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4396] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4399] <... close resumed>) = 0 [pid 4397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4396] <... futex resumed>) = 0 [pid 4395] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4399] write(1, "executing program\n", 18 executing program [pid 4397] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4396] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4395] <... futex resumed>) = 1 [pid 4390] <... futex resumed>) = 0 [pid 4399] <... write resumed>) = 18 [pid 4397] <... symlinkat resumed>) = 0 [pid 4395] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4399] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4397] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4390] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4399] <... futex resumed>) = 0 [pid 4397] <... futex resumed>) = 1 [pid 4396] <... futex resumed>) = 0 [pid 4399] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4397] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4396] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4395] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4390] <... futex resumed>) = 0 [pid 4399] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4396] <... futex resumed>) = 0 [pid 4399] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4397] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4396] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4395] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4390] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4399] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4397] <... unlinkat resumed>) = 0 [pid 4399] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4397] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4395] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4399] <... mmap resumed>) = 0x7f85c0c15000 [pid 4397] <... futex resumed>) = 1 [pid 4396] <... futex resumed>) = 0 [pid 4395] <... futex resumed>) = 0 [pid 4399] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4397] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4396] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4398] <... set_robust_list resumed>) = 0 [pid 4395] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4390] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4399] <... mprotect resumed>) = 0 [pid 4397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4396] <... futex resumed>) = 0 [pid 4399] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4398] rt_sigprocmask(SIG_SETMASK, [] [pid 4397] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4396] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4395] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4390] <... futex resumed>) = 0 [pid 4399] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4398] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4397] <... unlinkat resumed>) = 0 [pid 4395] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4390] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4400 attached [pid 4399] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4397] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4395] <... futex resumed>) = 0 [pid 4400] set_robust_list(0x5555810c5760, 24 [pid 4398] mkdirat(AT_FDCWD, "./config", 0777 [pid 4397] <... futex resumed>) = 1 [pid 4396] <... futex resumed>) = 0 [pid 4395] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4400] <... set_robust_list resumed>) = 0 [pid 4399] <... clone3 resumed> => {parent_tid=[4401]}, 88) = 4401 [pid 4397] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4398] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4396] exit_group(0 [pid 4390] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4400] rt_sigprocmask(SIG_SETMASK, [] [pid 4399] rt_sigprocmask(SIG_SETMASK, [] [pid 4397] <... futex resumed>) = ? [pid 4396] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 4401 attached [pid 4400] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4399] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4398] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4397] +++ exited with 0 +++ [pid 4395] <... futex resumed>) = 0 [pid 4390] <... futex resumed>) = 1 [pid 4401] set_robust_list(0x7f85c0c359a0, 24 [pid 4400] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4399] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4396] +++ exited with 0 +++ [pid 4395] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4400] <... prctl resumed>) = 0 [pid 4399] <... futex resumed>) = 0 [pid 4398] <... futex resumed>) = 1 [pid 4392] <... futex resumed>) = 0 [pid 4390] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4396, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4400] setpgid(0, 0 [pid 4399] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4398] mount(NULL, "./config", "configfs", 0, NULL [pid 4395] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4392] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4400] <... setpgid resumed>) = 0 [pid 4395] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4392] <... futex resumed>) = 0 [pid 4395] <... futex resumed>) = 1 [pid 4392] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4390] <... futex resumed>) = 0 [pid 4395] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4398] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4390] exit_group(0 [pid 4400] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4398] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4395] <... futex resumed>) = ? [pid 4390] <... exit_group resumed>) = ? [pid 4400] <... openat resumed>) = 3 [pid 4395] +++ exited with 0 +++ [pid 4400] write(3, "1000", 4) = 4 [pid 4400] close(3) = 0 [pid 4400] write(1, "executing program\n", 18) = 18 [pid 4400] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4400] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4390] +++ exited with 0 +++ [pid 4400] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4390, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4392] <... futex resumed>) = 0 [pid 4398] <... futex resumed>) = 1 executing program [pid 4392] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4401] <... set_robust_list resumed>) = 0 [pid 4400] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4398] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4392] <... futex resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 4392] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4398] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4398] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4401] rt_sigprocmask(SIG_SETMASK, [] [pid 4400] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4401] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4400] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4398] <... futex resumed>) = 1 [pid 4392] <... futex resumed>) = 0 [pid 4401] mkdirat(AT_FDCWD, "./config", 0777 [pid 4400] <... mmap resumed>) = 0x7f85c0c15000 [pid 4398] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4392] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4398] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4392] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4398] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4392] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4401] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4400] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4398] <... mkdirat resumed>) = -1 EEXIST (File exists) ci2-android-5-15/strace-static-x86_64: Process 4402 attached [pid 4401] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4400] <... mprotect resumed>) = 0 [pid 4398] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4402] set_robust_list(0x5555810c5760, 24 [pid 4398] <... futex resumed>) = 1 [pid 4392] <... futex resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4402 [pid 306] <... restart_syscall resumed>) = 0 [pid 4402] <... set_robust_list resumed>) = 0 [pid 4401] <... futex resumed>) = 1 [pid 4400] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4399] <... futex resumed>) = 0 [pid 4398] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4392] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4402] rt_sigprocmask(SIG_SETMASK, [] [pid 4401] mount(NULL, "./config", "configfs", 0, NULL [pid 4400] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4399] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4398] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4392] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4402] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4401] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4400] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4399] <... futex resumed>) = 0 [pid 4398] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4392] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4403 attached [pid 4402] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4401] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4399] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4398] <... mkdirat resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4402] <... prctl resumed>) = 0 [pid 4401] <... futex resumed>) = 0 [pid 4400] <... clone3 resumed> => {parent_tid=[4403]}, 88) = 4403 [pid 4399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4398] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4402] setpgid(0, 0 [pid 4401] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4400] rt_sigprocmask(SIG_SETMASK, [] [pid 4399] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4398] <... futex resumed>) = 1 [pid 4392] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4402] <... setpgid resumed>) = 0 [pid 4401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4400] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4399] <... futex resumed>) = 0 [pid 4398] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4392] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4403] set_robust_list(0x7f85c0c359a0, 24 [pid 4402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4401] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4400] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4399] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4398] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4392] <... futex resumed>) = 0 [pid 4402] <... openat resumed>) = 3 [pid 4401] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4400] <... futex resumed>) = 0 [pid 4398] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4392] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4404 attached [pid 4403] <... set_robust_list resumed>) = 0 [pid 4402] write(3, "1000", 4 [pid 4401] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4400] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4398] <... symlinkat resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4404 [pid 4404] set_robust_list(0x5555810c5760, 24 [pid 4403] rt_sigprocmask(SIG_SETMASK, [] [pid 4401] <... futex resumed>) = 1 [pid 4399] <... futex resumed>) = 0 [pid 4398] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4404] <... set_robust_list resumed>) = 0 [pid 4403] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4402] <... write resumed>) = 4 [pid 4401] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4399] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4398] <... futex resumed>) = 1 [pid 4392] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4404] rt_sigprocmask(SIG_SETMASK, [] [pid 4403] mkdirat(AT_FDCWD, "./config", 0777 [pid 4401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4399] <... futex resumed>) = 0 [pid 4398] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4392] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4404] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4403] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4401] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4399] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4404] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4403] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4402] close(3 [pid 4401] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4398] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4392] <... futex resumed>) = 0 [pid 4404] <... prctl resumed>) = 0 [pid 4403] <... futex resumed>) = 1 [pid 4401] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4400] <... futex resumed>) = 0 [pid 4404] setpgid(0, 0 [pid 4403] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4402] <... close resumed>) = 0 [pid 4401] <... futex resumed>) = 1 [pid 4400] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4399] <... futex resumed>) = 0 [pid 4398] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4392] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4404] <... setpgid resumed>) = 0 [pid 4403] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4401] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4400] <... futex resumed>) = 0 [pid 4399] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4404] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4403] mount(NULL, "./config", "configfs", 0, NULL [pid 4402] write(1, "executing program\n", 18 [pid 4401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4400] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4399] <... futex resumed>) = 0 [pid 4398] <... unlinkat resumed>) = 0 [pid 4404] <... openat resumed>) = 3 [pid 4403] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4402] <... write resumed>) = 18 [pid 4401] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4399] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4398] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4404] write(3, "1000", 4 [pid 4403] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4401] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4398] <... futex resumed>) = 1 [pid 4404] <... write resumed>) = 4 [pid 4403] <... futex resumed>) = 1 [pid 4402] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4401] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4400] <... futex resumed>) = 0 [pid 4398] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4392] <... futex resumed>) = 0 [pid 4404] close(3 [pid 4403] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4402] <... futex resumed>) = 0 [pid 4401] <... futex resumed>) = 1 [pid 4400] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4399] <... futex resumed>) = 0 [pid 4392] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4404] <... close resumed>) = 0 [pid 4403] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4402] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4401] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4400] <... futex resumed>) = 0 [pid 4399] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4398] <... futex resumed>) = 0 [pid 4392] <... futex resumed>) = 1 [pid 4404] write(1, "executing program\n", 18 [pid 4403] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4402] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4400] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4399] <... futex resumed>) = 0 [pid 4398] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4392] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4404] <... write resumed>) = 18 [pid 4403] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4402] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] executing program executing program [pid 4401] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4399] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4398] <... unlinkat resumed>) = 0 [pid 4404] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4403] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4402] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4401] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4398] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4404] <... futex resumed>) = 0 [pid 4403] <... futex resumed>) = 1 [pid 4401] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4400] <... futex resumed>) = 0 [pid 4404] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4403] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4402] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4401] <... futex resumed>) = 1 [pid 4400] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4399] <... futex resumed>) = 0 [pid 4398] <... futex resumed>) = 1 [pid 4392] <... futex resumed>) = 0 [pid 4404] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4403] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4402] <... mmap resumed>) = 0x7f85c0c15000 [pid 4401] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4400] <... futex resumed>) = 0 [pid 4399] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4404] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4403] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4402] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4400] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4399] <... futex resumed>) = 0 [pid 4398] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4392] exit_group(0 [pid 4404] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4403] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4402] <... mprotect resumed>) = 0 [pid 4401] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4399] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4392] <... exit_group resumed>) = ? [pid 4398] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 4404] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4403] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4402] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4401] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4404] <... mmap resumed>) = 0x7f85c0c15000 [pid 4403] <... futex resumed>) = 1 [pid 4401] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4400] <... futex resumed>) = 0 [pid 4404] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4403] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4401] <... futex resumed>) = 1 [pid 4400] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4399] <... futex resumed>) = 0 [pid 4404] <... mprotect resumed>) = 0 [pid 4403] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4401] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4400] <... futex resumed>) = 0 [pid 4399] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4404] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4403] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4402] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4400] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4399] <... futex resumed>) = 0 [pid 4398] +++ exited with 0 +++ [pid 4392] +++ exited with 0 +++ [pid 4404] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4403] <... mkdirat resumed>) = 0 [pid 4402] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4401] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4399] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4392, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4404] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4403] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4401] <... unlinkat resumed>) = 0 [pid 4403] <... futex resumed>) = 1 [pid 4402] <... clone3 resumed> => {parent_tid=[4405]}, 88) = 4405 [pid 4401] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4400] <... futex resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4404] <... clone3 resumed> => {parent_tid=[4406]}, 88) = 4406 [pid 4403] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4402] rt_sigprocmask(SIG_SETMASK, [] [pid 4401] <... futex resumed>) = 1 [pid 4400] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4399] <... futex resumed>) = 0 [pid 4404] rt_sigprocmask(SIG_SETMASK, [] [pid 4403] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4402] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4401] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4400] <... futex resumed>) = 0 [pid 4399] exit_group(0 [pid 304] <... restart_syscall resumed>) = 0 [pid 4404] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4403] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4402] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4401] <... futex resumed>) = ? [pid 4400] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4399] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 4406 attached ci2-android-5-15/strace-static-x86_64: Process 4405 attached [pid 4404] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4403] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4402] <... futex resumed>) = 0 [pid 4401] +++ exited with 0 +++ [pid 4399] +++ exited with 0 +++ [pid 4404] <... futex resumed>) = 0 [pid 4403] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4402] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4399, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4404] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4403] <... futex resumed>) = 1 [pid 4400] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4403] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4400] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4403] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4400] <... futex resumed>) = 0 [pid 4403] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4400] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4403] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4403] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4400] <... futex resumed>) = 0 [pid 4403] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4400] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4407 [pid 4403] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4400] <... futex resumed>) = 0 [pid 4403] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4400] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4405] set_robust_list(0x7f85c0c359a0, 24 [pid 4403] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4403] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4403] <... futex resumed>) = 1 [pid 4400] <... futex resumed>) = 0 [pid 4403] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4400] exit_group(0 [pid 4405] <... set_robust_list resumed>) = 0 [pid 4403] <... futex resumed>) = ? [pid 4400] <... exit_group resumed>) = ? [pid 4406] set_robust_list(0x7f85c0c359a0, 24 [pid 4405] rt_sigprocmask(SIG_SETMASK, [] [pid 4403] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 4407 attached [pid 4407] set_robust_list(0x5555810c5760, 24) = 0 [pid 4407] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4407] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4407] setpgid(0, 0) = 0 [pid 4407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4400] +++ exited with 0 +++ [pid 4407] <... openat resumed>) = 3 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4400, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4405] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4406] <... set_robust_list resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4407] write(3, "1000", 4) = 4 [pid 4407] close(3) = 0 [pid 4407] write(1, "executing program\n", 18) = 18 [pid 4405] mkdirat(AT_FDCWD, "./config", 0777 [pid 4407] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4405] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4407] <... futex resumed>) = 0 [pid 4407] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4407] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4405] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4407] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4407] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4407] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4407] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4402] <... futex resumed>) = 0 [pid 4405] <... futex resumed>) = 1 [pid 4406] rt_sigprocmask(SIG_SETMASK, [] [pid 4402] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4406] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4402] <... futex resumed>) = 0 [pid 4406] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 4402] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4405] mount(NULL, "./config", "configfs", 0, NULL [pid 4407] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4407] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[4408]}, 88) = 4408 [pid 4407] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4407] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4405] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4407] <... futex resumed>) = 0 [pid 4407] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4408 attached [pid 4408] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4408] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4408] mkdirat(AT_FDCWD, "./config", 0777 [pid 4405] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4408] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4406] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4405] <... futex resumed>) = 1 [pid 4406] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4402] <... futex resumed>) = 0 [pid 4408] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4406] <... futex resumed>) = 1 [pid 4402] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4408] <... futex resumed>) = 1 [pid 4402] <... futex resumed>) = 0 [pid 4406] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4402] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4408] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4407] <... futex resumed>) = 0 [pid 4404] <... futex resumed>) = 0 [pid 4407] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4404] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4407] <... futex resumed>) = 0 [pid 4404] <... futex resumed>) = 1 [pid 4407] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4404] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4408] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4406] <... futex resumed>) = 0 [pid 4405] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4405] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... restart_syscall resumed>) = 0 [pid 4408] mount(NULL, "./config", "configfs", 0, NULL [pid 4406] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4408] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4406] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4408] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4406] <... futex resumed>) = 1 [pid 4404] <... futex resumed>) = 0 [pid 4408] <... futex resumed>) = 1 [pid 4406] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4407] <... futex resumed>) = 0 [pid 4404] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4409 [pid 4407] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4404] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4407] <... futex resumed>) = 0 [pid 4404] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4407] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4409 attached [pid 4408] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4402] <... futex resumed>) = 0 [pid 4402] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4402] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4408] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4406] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4405] <... futex resumed>) = 1 [pid 4408] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4406] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4408] <... futex resumed>) = 1 [pid 4407] <... futex resumed>) = 0 [pid 4406] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4408] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4407] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4406] <... futex resumed>) = 1 [pid 4404] <... futex resumed>) = 0 [pid 4408] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4407] <... futex resumed>) = 0 [pid 4406] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4404] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4408] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4407] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4404] <... futex resumed>) = 0 [pid 4408] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4406] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4404] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4408] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4406] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4408] <... futex resumed>) = 1 [pid 4407] <... futex resumed>) = 0 [pid 4406] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4408] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4407] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4408] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4407] <... futex resumed>) = 0 [pid 4406] <... futex resumed>) = 1 [pid 4404] <... futex resumed>) = 0 [pid 4408] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4407] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4406] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4404] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4404] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4408] <... mkdirat resumed>) = 0 [pid 4406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4408] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4406] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4408] <... futex resumed>) = 1 [pid 4407] <... futex resumed>) = 0 [pid 4408] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4407] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4406] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4408] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4407] <... futex resumed>) = 0 [pid 4406] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4408] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4407] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4406] <... futex resumed>) = 1 [pid 4404] <... futex resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 4408] <... symlinkat resumed>) = 0 [pid 4406] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4404] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4408] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4406] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4404] <... futex resumed>) = 0 [pid 4408] <... futex resumed>) = 1 [pid 4407] <... futex resumed>) = 0 [pid 4406] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4404] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4408] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4407] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4406] <... futex resumed>) = 0 [pid 4404] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4408] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4407] <... futex resumed>) = 0 [pid 4406] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4404] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4408] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4407] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4404] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4409] set_robust_list(0x5555810c5760, 24 [pid 4408] <... unlinkat resumed>) = 0 [pid 4406] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4404] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4409] <... set_robust_list resumed>) = 0 [pid 4408] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4406] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4405] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4405] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4402] <... futex resumed>) = 0 [pid 4402] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4408] <... futex resumed>) = 1 [pid 4407] <... futex resumed>) = 0 [pid 4406] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4402] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4410 [pid 4409] rt_sigprocmask(SIG_SETMASK, [] [pid 4408] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4407] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4406] <... futex resumed>) = 1 [pid 4404] <... futex resumed>) = 0 [pid 4409] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4408] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4407] <... futex resumed>) = 0 [pid 4406] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4404] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4409] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4408] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4407] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4404] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4405] <... futex resumed>) = 1 [pid 4404] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4409] <... prctl resumed>) = 0 [pid 4408] <... unlinkat resumed>) = 0 [pid 4406] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4405] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4409] setpgid(0, 0 [pid 4408] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4409] <... setpgid resumed>) = 0 [pid 4408] <... futex resumed>) = 1 [pid 4407] <... futex resumed>) = 0 [pid 4406] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4405] <... mkdirat resumed>) = 0 [pid 4407] exit_group(0 [pid 4408] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4407] <... exit_group resumed>) = ? [pid 4406] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4405] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4410 attached [pid 4409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4408] +++ exited with 0 +++ [pid 4407] +++ exited with 0 +++ [pid 4406] <... futex resumed>) = 1 [pid 4404] <... futex resumed>) = 0 [pid 4406] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4405] <... futex resumed>) = 1 [pid 4404] exit_group(0 [pid 4402] <... futex resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4407, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4409] <... openat resumed>) = 3 [pid 4406] <... futex resumed>) = ? [pid 4405] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4404] <... exit_group resumed>) = ? [pid 4402] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4409] write(3, "1000", 4 [pid 4406] +++ exited with 0 +++ [pid 4405] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4404] +++ exited with 0 +++ [pid 4402] <... futex resumed>) = 0 [pid 4405] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4402] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4404, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4405] <... symlinkat resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4405] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4402] <... futex resumed>) = 0 [pid 4405] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4402] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4409] <... write resumed>) = 4 [pid 4405] <... unlinkat resumed>) = 0 [pid 4402] <... futex resumed>) = 0 [pid 4410] set_robust_list(0x5555810c5760, 24 [pid 4405] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4402] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4405] <... futex resumed>) = 0 [pid 4402] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4405] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4402] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4410] <... set_robust_list resumed>) = 0 [pid 4409] close(3 [pid 4405] <... unlinkat resumed>) = 0 [pid 4402] <... futex resumed>) = 0 [pid 4405] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4402] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4405] <... futex resumed>) = 0 [pid 4402] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4409] <... close resumed>) = 0 [pid 4405] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4402] exit_group(0 [pid 4410] rt_sigprocmask(SIG_SETMASK, [] [pid 4409] write(1, "executing program\n", 18 [pid 4405] <... futex resumed>) = ? [pid 4402] <... exit_group resumed>) = ? [pid 4410] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4409] <... write resumed>) = 18 executing program [pid 4405] +++ exited with 0 +++ [pid 4402] +++ exited with 0 +++ [pid 4409] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4410] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4409] <... futex resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4402, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 4410] <... prctl resumed>) = 0 [pid 4409] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4410] setpgid(0, 0 [pid 4409] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 4410] <... setpgid resumed>) = 0 [pid 4409] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4409] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4409] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 4411 attached [pid 4410] <... openat resumed>) = 3 [pid 4409] <... mmap resumed>) = 0x7f85c0c15000 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4410] write(3, "1000", 4 [pid 4409] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4411] set_robust_list(0x5555810c5760, 24 [pid 4410] <... write resumed>) = 4 [pid 4409] <... mprotect resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4411 ci2-android-5-15/strace-static-x86_64: Process 4412 attached ci2-android-5-15/strace-static-x86_64: Process 4413 attached [pid 4411] <... set_robust_list resumed>) = 0 [pid 4410] close(3 [pid 4409] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4412 [pid 4413] set_robust_list(0x5555810c5760, 24 [pid 4412] set_robust_list(0x5555810c5760, 24 [pid 4411] rt_sigprocmask(SIG_SETMASK, [] [pid 4410] <... close resumed>) = 0 [pid 4409] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4413 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4413] <... set_robust_list resumed>) = 0 [pid 4412] <... set_robust_list resumed>) = 0 [pid 4411] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4410] write(1, "executing program\n", 18 [pid 4409] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 4413] rt_sigprocmask(SIG_SETMASK, [] [pid 4411] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4410] <... write resumed>) = 18 [pid 4412] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4411] <... prctl resumed>) = 0 [pid 4413] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4410] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4409] <... clone3 resumed> => {parent_tid=[4414]}, 88) = 4414 [pid 4412] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4410] <... futex resumed>) = 0 [pid 4409] rt_sigprocmask(SIG_SETMASK, [] [pid 4410] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4409] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4413] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4410] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4409] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4413] <... prctl resumed>) = 0 [pid 4410] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4409] <... futex resumed>) = 0 [pid 4413] setpgid(0, 0 [pid 4412] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4410] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4409] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4410] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4413] <... setpgid resumed>) = 0 [pid 4412] <... prctl resumed>) = 0 [pid 4410] <... mmap resumed>) = 0x7f85c0c15000 [pid 4411] setpgid(0, 0 [pid 4410] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4411] <... setpgid resumed>) = 0 [pid 4413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4412] setpgid(0, 0 [pid 4411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4410] <... mprotect resumed>) = 0 [pid 4412] <... setpgid resumed>) = 0 [pid 4411] <... openat resumed>) = 3 [pid 4410] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4413] <... openat resumed>) = 3 [pid 4410] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4413] write(3, "1000", 4 [pid 4412] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4410] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4411] write(3, "1000", 4) = 4 [pid 4411] close(3) = 0 [pid 4411] write(1, "executing program\n", 18) = 18 [pid 4413] <... write resumed>) = 4 executing program [pid 4412] <... openat resumed>) = 3 [pid 4411] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4410] <... clone3 resumed> => {parent_tid=[4415]}, 88) = 4415 [pid 4411] <... futex resumed>) = 0 [pid 4410] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 4414 attached [pid 4413] close(3 [pid 4412] write(3, "1000", 4 [pid 4411] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4410] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4414] set_robust_list(0x7f85c0c359a0, 24 [pid 4411] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4414] <... set_robust_list resumed>) = 0 [pid 4413] <... close resumed>) = 0 [pid 4412] <... write resumed>) = 4 [pid 4411] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4410] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4414] rt_sigprocmask(SIG_SETMASK, [] [pid 4411] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4410] <... futex resumed>) = 0 [pid 4414] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4413] write(1, "executing program\n", 18 [pid 4412] close(3 [pid 4411] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4414] mkdirat(AT_FDCWD, "./config", 0777 [pid 4411] <... mmap resumed>) = 0x7f85c0c15000 [pid 4410] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4414] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4411] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4414] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4413] <... write resumed>) = 18 [pid 4412] <... close resumed>) = 0 [pid 4411] <... mprotect resumed>) = 0 executing program [pid 4414] <... futex resumed>) = 1 [pid 4411] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4409] <... futex resumed>) = 0 [pid 4414] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4413] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4412] write(1, "executing program\n", 18 [pid 4411] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4409] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4414] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 4411] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0}ci2-android-5-15/strace-static-x86_64: Process 4416 attached [pid 4414] mount(NULL, "./config", "configfs", 0, NULL [pid 4413] <... futex resumed>) = 0 [pid 4412] <... write resumed>) = 18 [pid 4409] <... futex resumed>) = 0 [pid 4414] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4413] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4412] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4411] <... clone3 resumed> => {parent_tid=[4416]}, 88) = 4416 [pid 4409] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4414] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4413] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4412] <... futex resumed>) = 0 [pid 4411] rt_sigprocmask(SIG_SETMASK, [] [pid 4414] <... futex resumed>) = 0 [pid 4413] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4412] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4411] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4414] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4413] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4412] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4411] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4409] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4414] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4413] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4412] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4411] <... futex resumed>) = 0 [pid 4409] <... futex resumed>) = 0 [pid 4414] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4413] <... mmap resumed>) = 0x7f85c0c15000 [pid 4412] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4411] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4409] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4414] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4413] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4412] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4414] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4413] <... mprotect resumed>) = 0 [pid 4409] <... futex resumed>) = 0 [pid 4414] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4412] <... mmap resumed>) = 0x7f85c0c15000 [pid 4409] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4414] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4413] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4412] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4409] <... futex resumed>) = 0 [pid 4414] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4413] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4412] <... mprotect resumed>) = 0 [pid 4409] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4414] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4413] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4412] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4414] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4409] <... futex resumed>) = 0 [pid 4414] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4412] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4409] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4414] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4413] <... clone3 resumed> => {parent_tid=[4417]}, 88) = 4417 [pid 4412] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4409] <... futex resumed>) = 0 [pid 4414] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4413] rt_sigprocmask(SIG_SETMASK, [] [pid 4409] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4417 attached ci2-android-5-15/strace-static-x86_64: Process 4415 attached [pid 4416] set_robust_list(0x7f85c0c359a0, 24 [pid 4414] <... mkdirat resumed>) = 0 [pid 4413] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4414] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4413] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4412] <... clone3 resumed> => {parent_tid=[4418]}, 88) = 4418 [pid 4414] <... futex resumed>) = 1 [pid 4413] <... futex resumed>) = 0 [pid 4412] rt_sigprocmask(SIG_SETMASK, [] [pid 4409] <... futex resumed>) = 0 [pid 4414] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4409] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4414] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4413] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4412] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4409] <... futex resumed>) = 0 [pid 4414] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4412] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4409] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4414] <... symlinkat resumed>) = 0 [pid 4412] <... futex resumed>) = 0 [pid 4414] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4409] <... futex resumed>) = 0 [pid 4414] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4409] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4414] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4412] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4409] <... futex resumed>) = 0 [pid 4414] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4409] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4414] <... unlinkat resumed>) = 0 [pid 4414] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4409] <... futex resumed>) = 0 [pid 4414] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4409] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4414] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4409] <... futex resumed>) = 0 [pid 4414] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4409] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4416] <... set_robust_list resumed>) = 0 [pid 4414] <... unlinkat resumed>) = 0 [pid 4414] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4409] <... futex resumed>) = 0 [pid 4414] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4409] exit_group(0 [pid 4414] <... futex resumed>) = ? [pid 4409] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 4418 attached [pid 4417] set_robust_list(0x7f85c0c359a0, 24 [pid 4416] rt_sigprocmask(SIG_SETMASK, [] [pid 4415] set_robust_list(0x7f85c0c359a0, 24 [pid 4414] +++ exited with 0 +++ [pid 4416] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4409] +++ exited with 0 +++ [pid 4415] <... set_robust_list resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4409, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4416] mkdirat(AT_FDCWD, "./config", 0777 [pid 4415] rt_sigprocmask(SIG_SETMASK, [] [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4416] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4415] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4416] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4415] mkdirat(AT_FDCWD, "./config", 0777 [pid 4416] <... futex resumed>) = 1 [pid 4411] <... futex resumed>) = 0 [pid 4411] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4411] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4418] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4418] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4418] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4418] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4412] <... futex resumed>) = 0 [pid 4418] mount(NULL, "./config", "configfs", 0, NULL [pid 4416] mount(NULL, "./config", "configfs", 0, NULL [pid 4415] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4412] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4418] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4412] <... futex resumed>) = 0 [pid 4418] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4412] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4418] <... futex resumed>) = 0 [pid 4412] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4418] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4412] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4418] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4412] <... futex resumed>) = 0 [pid 4418] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4412] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4418] <... futex resumed>) = 0 [pid 4412] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4416] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4418] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4417] <... set_robust_list resumed>) = 0 [pid 4415] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4412] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4418] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4416] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4412] <... futex resumed>) = 0 [pid 4418] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4416] <... futex resumed>) = 1 [pid 4415] <... futex resumed>) = 1 [pid 4417] rt_sigprocmask(SIG_SETMASK, [] [pid 4412] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4411] <... futex resumed>) = 0 [pid 4410] <... futex resumed>) = 0 [pid 4418] <... futex resumed>) = 0 [pid 4416] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4412] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4411] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4418] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4412] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4411] <... futex resumed>) = 0 [pid 4410] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4418] <... mkdirat resumed>) = 0 [pid 4417] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4416] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4415] mount(NULL, "./config", "configfs", 0, NULL [pid 4412] <... futex resumed>) = 0 [pid 4411] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4410] <... futex resumed>) = 0 [pid 4418] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4417] mkdirat(AT_FDCWD, "./config", 0777 [pid 4416] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4415] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4412] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4410] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4418] <... futex resumed>) = 0 [pid 4417] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4416] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4415] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4412] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4410] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4418] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4417] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4416] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4415] <... futex resumed>) = 0 [pid 4412] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4410] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4418] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4417] <... futex resumed>) = 1 [pid 4416] <... futex resumed>) = 1 [pid 4415] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4413] <... futex resumed>) = 0 [pid 4412] <... futex resumed>) = 0 [pid 4411] <... futex resumed>) = 0 [pid 4410] <... futex resumed>) = 0 [pid 4418] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4417] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4416] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4415] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4413] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4412] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4411] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4410] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4418] <... symlinkat resumed>) = 0 [pid 4417] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4416] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4415] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4413] <... futex resumed>) = 0 [pid 4411] <... futex resumed>) = 0 [pid 4410] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4418] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4417] mount(NULL, "./config", "configfs", 0, NULL [pid 4416] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4415] <... futex resumed>) = 0 [pid 4413] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4411] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4410] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4418] <... futex resumed>) = 1 [pid 4417] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4412] <... futex resumed>) = 0 [pid 4418] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4417] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4416] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4415] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4412] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4410] <... futex resumed>) = 0 [pid 4418] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4417] <... futex resumed>) = 1 [pid 4416] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4415] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4413] <... futex resumed>) = 0 [pid 4412] <... futex resumed>) = 0 [pid 4410] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4418] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4417] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4416] <... futex resumed>) = 1 [pid 4415] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4413] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4412] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4411] <... futex resumed>) = 0 [pid 4410] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4418] <... unlinkat resumed>) = 0 [pid 4417] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4416] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4415] <... futex resumed>) = 0 [pid 4413] <... futex resumed>) = 0 [pid 4411] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4410] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4418] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4417] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4411] <... futex resumed>) = 0 [pid 4418] <... futex resumed>) = 1 [pid 4417] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4416] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4415] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4413] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4412] <... futex resumed>) = 0 [pid 4411] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4410] <... futex resumed>) = 0 [pid 4418] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4417] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4416] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4415] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4412] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4410] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... restart_syscall resumed>) = 0 [pid 4418] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4417] <... futex resumed>) = 0 [pid 4416] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4415] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4413] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4412] <... futex resumed>) = 0 [pid 4410] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4418] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4417] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4416] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4415] <... futex resumed>) = 0 [pid 4413] <... futex resumed>) = 0 [pid 4412] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4410] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4418] <... unlinkat resumed>) = 0 [pid 4417] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4416] <... futex resumed>) = 1 [pid 4415] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4413] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4411] <... futex resumed>) = 0 [pid 4410] <... futex resumed>) = 0 [pid 4418] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4417] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4416] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4415] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4411] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4410] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4418] <... futex resumed>) = 1 [pid 4417] <... futex resumed>) = 0 [pid 4416] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4415] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4413] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4412] <... futex resumed>) = 0 [pid 4411] <... futex resumed>) = 0 [pid 4410] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4418] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4417] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4416] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4415] <... futex resumed>) = 0 [pid 4413] <... futex resumed>) = 0 [pid 4412] exit_group(0 [pid 4411] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4410] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 4419 attached [pid 4418] <... futex resumed>) = ? [pid 4417] <... mkdirat resumed>) = 0 [pid 4416] <... symlinkat resumed>) = 0 [pid 4415] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4413] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4412] <... exit_group resumed>) = ? [pid 4410] <... futex resumed>) = 0 [pid 4418] +++ exited with 0 +++ [pid 4417] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4416] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4415] <... unlinkat resumed>) = 0 [pid 4413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4410] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4419 [pid 4417] <... futex resumed>) = 0 [pid 4416] <... futex resumed>) = 1 [pid 4415] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4413] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4410] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4417] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4416] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4415] <... futex resumed>) = 0 [pid 4413] <... futex resumed>) = 0 [pid 4412] +++ exited with 0 +++ [pid 4410] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4417] <... symlinkat resumed>) = 0 [pid 4415] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4413] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4411] <... futex resumed>) = 0 [pid 4410] <... futex resumed>) = 0 [pid 4417] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4415] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 4413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4411] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4410] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4412, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4417] <... futex resumed>) = 0 [pid 4416] <... futex resumed>) = 0 [pid 4415] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4413] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4411] <... futex resumed>) = 1 [pid 4410] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4417] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4416] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4415] <... futex resumed>) = 0 [pid 4413] <... futex resumed>) = 0 [pid 4411] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4410] exit_group(0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4419] set_robust_list(0x5555810c5760, 24 [pid 4417] <... unlinkat resumed>) = 0 [pid 4416] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4413] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4410] <... exit_group resumed>) = ? [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4419] <... set_robust_list resumed>) = 0 [pid 4417] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4416] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4415] +++ exited with 0 +++ [pid 4413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4410] +++ exited with 0 +++ [pid 4417] <... futex resumed>) = 0 [pid 4413] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4410, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4417] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4413] <... futex resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4417] <... unlinkat resumed>) = 0 [pid 4416] <... futex resumed>) = 1 [pid 4413] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4411] <... futex resumed>) = 0 [pid 4417] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4416] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4411] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4420 [pid 4417] <... futex resumed>) = 0 [pid 4416] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4413] exit_group(0 [pid 4411] <... futex resumed>) = 0 [pid 4416] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4413] <... exit_group resumed>) = ? [pid 4411] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4419] rt_sigprocmask(SIG_SETMASK, [] [pid 4417] +++ exited with 0 +++ [pid 4416] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4413] +++ exited with 0 +++ [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4416] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4413, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4416] <... futex resumed>) = 1 [pid 4411] <... futex resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4416] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4411] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 4420 attached [pid 4416] <... futex resumed>) = ? [pid 4411] <... exit_group resumed>) = ? [pid 4420] set_robust_list(0x5555810c5760, 24 [pid 4416] +++ exited with 0 +++ [pid 4420] <... set_robust_list resumed>) = 0 [pid 4420] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4420] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4420] setpgid(0, 0) = 0 [pid 4411] +++ exited with 0 +++ [pid 4420] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4411, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4420] <... openat resumed>) = 3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4419] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4420] write(3, "1000", 4 [pid 4419] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4420] <... write resumed>) = 4 [pid 4420] close(3) = 0 [pid 4419] <... prctl resumed>) = 0 executing program [pid 4420] write(1, "executing program\n", 18) = 18 [pid 4420] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 4419] setpgid(0, 0) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-5-15/strace-static-x86_64: Process 4421 attached [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4421 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4419] <... openat resumed>) = 3 [pid 4420] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4420] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4420] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4419] write(3, "1000", 4 [pid 4420] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4421] set_robust_list(0x5555810c5760, 24 [pid 4420] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4419] <... write resumed>) = 4 [pid 4420] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4420] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4419] close(3 [pid 4420] <... clone3 resumed> => {parent_tid=[4422]}, 88) = 4422 [pid 4420] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 4419] <... close resumed>) = 0 [pid 4421] <... set_robust_list resumed>) = 0 [pid 4419] write(1, "executing program\n", 18 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4420] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4420] <... futex resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 4423 attached [pid 4421] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 4420] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4419] <... write resumed>) = 18 [pid 306] <... restart_syscall resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4423 [pid 4419] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4419] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4419] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4419] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4419] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4419] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4422 attached [pid 4422] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4422] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4419] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4422] mkdirat(AT_FDCWD, "./config", 0777 [pid 4419] <... mmap resumed>) = 0x7f85c0c15000 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4424 [pid 4419] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4422] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4423] set_robust_list(0x5555810c5760, 24 [pid 4421] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4419] <... mprotect resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4422] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4419] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4419] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4420] <... futex resumed>) = 0 [pid 4420] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4419] <... clone3 resumed> => {parent_tid=[4425]}, 88) = 4425 [pid 4420] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4419] rt_sigprocmask(SIG_SETMASK, [] [pid 4421] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4419] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4421] <... prctl resumed>) = 0 [pid 4419] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4421] setpgid(0, 0 [pid 4419] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4421] <... setpgid resumed>) = 0 [pid 4422] <... futex resumed>) = 1 [pid 4422] mount(NULL, "./config", "configfs", 0, NULLci2-android-5-15/strace-static-x86_64: Process 4425 attached ) = -1 EBUSY (Device or resource busy) [pid 4423] <... set_robust_list resumed>) = 0 [pid 4421] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4422] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4420] <... futex resumed>) = 0 [pid 4420] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4420] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4422] <... futex resumed>) = 1 [pid 4422] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4421] <... openat resumed>) = 3 ci2-android-5-15/strace-static-x86_64: Process 4424 attached [pid 4425] set_robust_list(0x7f85c0c359a0, 24 [pid 4423] rt_sigprocmask(SIG_SETMASK, [] [pid 4422] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4421] write(3, "1000", 4) = 4 [pid 4421] close(3 [pid 4425] <... set_robust_list resumed>) = 0 [pid 4421] <... close resumed>) = 0 executing program [pid 4421] write(1, "executing program\n", 18 [pid 4425] rt_sigprocmask(SIG_SETMASK, [] [pid 4424] set_robust_list(0x5555810c5760, 24 [pid 4423] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4421] <... write resumed>) = 18 [pid 4420] <... futex resumed>) = 0 [pid 4420] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4420] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4421] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4423] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4421] <... futex resumed>) = 0 [pid 4421] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4423] <... prctl resumed>) = 0 [pid 4421] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4423] setpgid(0, 0 [pid 4422] <... futex resumed>) = 1 [pid 4421] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4423] <... setpgid resumed>) = 0 [pid 4422] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4421] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4422] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4421] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4422] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4420] <... futex resumed>) = 0 [pid 4420] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4420] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4422] <... futex resumed>) = 1 [pid 4422] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4421] <... mmap resumed>) = 0x7f85c0c15000 [pid 4423] <... openat resumed>) = 3 [pid 4421] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4422] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4421] <... mprotect resumed>) = 0 [pid 4423] write(3, "1000", 4 [pid 4420] <... futex resumed>) = 0 [pid 4423] <... write resumed>) = 4 [pid 4421] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4420] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4423] close(3 [pid 4421] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4420] <... futex resumed>) = 0 [pid 4420] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4422] <... futex resumed>) = 1 [pid 4422] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4423] <... close resumed>) = 0 [pid 4421] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4422] <... symlinkat resumed>) = 0 [pid 4422] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4423] write(1, "executing program\n", 18 [pid 4421] <... clone3 resumed> => {parent_tid=[4426]}, 88) = 4426 executing program [pid 4423] <... write resumed>) = 18 [pid 4421] rt_sigprocmask(SIG_SETMASK, [] [pid 4420] <... futex resumed>) = 0 [pid 4423] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4421] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4420] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4423] <... futex resumed>) = 0 [pid 4421] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4420] <... futex resumed>) = 0 [pid 4423] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4421] <... futex resumed>) = 0 [pid 4420] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4423] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4421] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4423] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4422] <... futex resumed>) = 1 [pid 4422] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4423] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4422] <... unlinkat resumed>) = 0 [pid 4423] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4425] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4424] <... set_robust_list resumed>) = 0 [pid 4422] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4420] <... futex resumed>) = 0 [pid 4420] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4420] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4422] <... futex resumed>) = 1 [pid 4422] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4425] mkdirat(AT_FDCWD, "./config", 0777 [pid 4424] rt_sigprocmask(SIG_SETMASK, [] [pid 4423] <... mmap resumed>) = 0x7f85c0c15000 [pid 4422] <... unlinkat resumed>) = 0 [pid 4423] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4425] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4424] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4423] <... mprotect resumed>) = 0 [pid 4422] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4423] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4425] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4424] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4423] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4422] <... futex resumed>) = 1 [pid 4420] <... futex resumed>) = 0 [pid 4419] <... futex resumed>) = 0 [pid 4425] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4424] <... prctl resumed>) = 0 [pid 4423] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4422] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4420] exit_group(0 [pid 4419] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4422] <... futex resumed>) = ? [pid 4420] <... exit_group resumed>) = ? [pid 4419] <... futex resumed>) = 0 [pid 4425] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ci2-android-5-15/strace-static-x86_64: Process 4426 attached [pid 4424] setpgid(0, 0 [pid 4423] <... clone3 resumed> => {parent_tid=[4427]}, 88) = 4427 [pid 4419] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4427 attached [pid 4425] mount(NULL, "./config", "configfs", 0, NULL [pid 4424] <... setpgid resumed>) = 0 [pid 4423] rt_sigprocmask(SIG_SETMASK, [] [pid 4422] +++ exited with 0 +++ [pid 4420] +++ exited with 0 +++ [pid 4426] set_robust_list(0x7f85c0c359a0, 24 [pid 4425] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4424] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4423] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4420, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4425] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4423] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4427] set_robust_list(0x7f85c0c359a0, 24 [pid 4426] <... set_robust_list resumed>) = 0 [pid 4425] <... futex resumed>) = 1 [pid 4423] <... futex resumed>) = 0 [pid 4419] <... futex resumed>) = 0 [pid 4424] <... openat resumed>) = 3 [pid 4423] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4419] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4425] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4424] write(3, "1000", 4 [pid 4419] <... futex resumed>) = 0 [pid 4427] <... set_robust_list resumed>) = 0 [pid 4426] rt_sigprocmask(SIG_SETMASK, [] [pid 4425] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4424] <... write resumed>) = 4 [pid 4419] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4425] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4424] close(3 [pid 4425] <... futex resumed>) = 0 [pid 4419] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4425] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4424] <... close resumed>) = 0 [pid 4419] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4425] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4424] write(1, "executing program\n", 18 [pid 4419] <... futex resumed>) = 0 executing program [pid 4425] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4424] <... write resumed>) = 18 [pid 4419] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4425] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4424] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4425] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4424] <... futex resumed>) = 0 [pid 4425] <... futex resumed>) = 1 [pid 4424] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4419] <... futex resumed>) = 0 [pid 4425] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4424] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4419] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4427] rt_sigprocmask(SIG_SETMASK, [] [pid 4426] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4425] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4424] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4419] <... futex resumed>) = 0 [pid 4427] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4425] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4419] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... restart_syscall resumed>) = 0 [pid 4424] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4426] mkdirat(AT_FDCWD, "./config", 0777 [pid 4425] <... mkdirat resumed>) = 0 [pid 4427] mkdirat(AT_FDCWD, "./config", 0777 [pid 4426] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4425] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4424] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4427] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4426] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4425] <... futex resumed>) = 1 [pid 4424] <... mmap resumed>) = 0x7f85c0c15000 [pid 4419] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4427] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4426] <... futex resumed>) = 1 [pid 4425] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4424] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4421] <... futex resumed>) = 0 [pid 4419] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4427] <... futex resumed>) = 1 [pid 4426] mount(NULL, "./config", "configfs", 0, NULL [pid 4425] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4424] <... mprotect resumed>) = 0 [pid 4423] <... futex resumed>) = 0 [pid 4421] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4419] <... futex resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4425] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4424] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4423] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4421] <... futex resumed>) = 0 [pid 4419] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4423] <... futex resumed>) = 0 [pid 4421] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4428 [pid 4427] mount(NULL, "./config", "configfs", 0, NULL [pid 4425] <... symlinkat resumed>) = 0 [pid 4424] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4423] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4427] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4426] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 304] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 4428 attached [pid 4427] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4426] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4425] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4424] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4428] set_robust_list(0x5555810c5760, 24 [pid 4427] <... futex resumed>) = 1 [pid 4426] <... futex resumed>) = 1 [pid 4425] <... futex resumed>) = 1 [pid 4423] <... futex resumed>) = 0 [pid 4421] <... futex resumed>) = 0 [pid 4419] <... futex resumed>) = 0 [pid 4423] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4421] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4419] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4429 attached [pid 4428] <... set_robust_list resumed>) = 0 [pid 4427] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4426] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4425] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4424] <... clone3 resumed> => {parent_tid=[4429]}, 88) = 4429 [pid 4423] <... futex resumed>) = 0 [pid 4421] <... futex resumed>) = 0 [pid 4419] <... futex resumed>) = 0 [pid 4428] rt_sigprocmask(SIG_SETMASK, [] [pid 4427] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4426] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4425] <... unlinkat resumed>) = 0 [pid 4424] rt_sigprocmask(SIG_SETMASK, [] [pid 4423] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4421] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4419] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4428] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4427] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4426] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4425] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4424] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4423] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4421] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4419] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4428] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4427] <... futex resumed>) = 0 [pid 4426] <... futex resumed>) = 0 [pid 4425] <... futex resumed>) = 0 [pid 4424] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4423] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4421] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4419] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4428] <... prctl resumed>) = 0 [pid 4427] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4426] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4425] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4424] <... futex resumed>) = 0 [pid 4423] <... futex resumed>) = 0 [pid 4421] <... futex resumed>) = 0 [pid 4419] <... futex resumed>) = 0 [pid 4428] setpgid(0, 0 [pid 4427] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4426] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4428] <... setpgid resumed>) = 0 [pid 4427] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4426] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4425] <... unlinkat resumed>) = 0 [pid 4424] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4423] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4421] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4419] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4427] <... futex resumed>) = 0 [pid 4426] <... futex resumed>) = 0 [pid 4425] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4423] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4421] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4419] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4428] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4427] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4426] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4425] <... futex resumed>) = 0 [pid 4423] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4421] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4419] exit_group(0 [pid 4428] <... openat resumed>) = 3 [pid 4427] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4423] <... futex resumed>) = 0 [pid 4421] <... futex resumed>) = 0 [pid 4419] <... exit_group resumed>) = ? [pid 4428] write(3, "1000", 4 [pid 4427] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4426] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4423] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4421] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4429] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4429] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4429] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4429] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4425] +++ exited with 0 +++ [pid 4424] <... futex resumed>) = 0 [pid 4419] +++ exited with 0 +++ [pid 4429] mount(NULL, "./config", "configfs", 0, NULL [pid 4424] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4419, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4429] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4428] <... write resumed>) = 4 [pid 4427] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4426] <... mkdirat resumed>) = 0 [pid 4424] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4429] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4428] close(3 [pid 4427] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4426] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4424] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4429] <... futex resumed>) = 0 [pid 4428] <... close resumed>) = 0 [pid 4427] <... futex resumed>) = 1 [pid 4426] <... futex resumed>) = 1 [pid 4424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4423] <... futex resumed>) = 0 [pid 4421] <... futex resumed>) = 0 [pid 4429] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4428] write(1, "executing program\n", 18 [pid 4427] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4426] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL executing program [pid 4424] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4423] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4421] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4429] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4428] <... write resumed>) = 18 [pid 4427] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4424] <... futex resumed>) = 0 [pid 4423] <... futex resumed>) = 0 [pid 4421] <... futex resumed>) = 0 [pid 4429] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4428] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4427] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4426] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4424] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4423] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4421] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4429] <... futex resumed>) = 0 [pid 4428] <... futex resumed>) = 0 [pid 4427] <... symlinkat resumed>) = 0 [pid 4426] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4429] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4428] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4427] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4426] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4429] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4428] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4427] <... futex resumed>) = 1 [pid 4426] <... futex resumed>) = 1 [pid 4424] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4423] <... futex resumed>) = 0 [pid 4421] <... futex resumed>) = 0 [pid 4429] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4428] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4427] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4426] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4423] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4421] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4424] <... futex resumed>) = 0 [pid 4429] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4428] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4427] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4424] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4423] <... futex resumed>) = 0 [pid 4421] <... futex resumed>) = 0 [pid 4429] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4428] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4427] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4426] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4423] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4421] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4429] <... futex resumed>) = 0 [pid 4428] <... mmap resumed>) = 0x7f85c0c15000 [pid 4427] <... unlinkat resumed>) = 0 [pid 4426] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4429] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4428] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4427] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4426] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4424] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4429] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4428] <... mprotect resumed>) = 0 [pid 4427] <... futex resumed>) = 1 [pid 4426] <... futex resumed>) = 1 [pid 4423] <... futex resumed>) = 0 [pid 4424] <... futex resumed>) = 0 [pid 4421] <... futex resumed>) = 0 [pid 4429] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4428] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4427] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4426] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4424] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4423] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4421] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4429] <... futex resumed>) = 0 [pid 4428] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4427] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4423] <... futex resumed>) = 0 [pid 4421] <... futex resumed>) = 0 [pid 4429] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4428] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4427] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4426] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4424] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4423] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4421] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4429] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4427] <... unlinkat resumed>) = 0 [pid 4426] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4424] <... futex resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 4429] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4428] <... clone3 resumed> => {parent_tid=[4430]}, 88) = 4430 [pid 4427] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4426] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4424] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4429] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4428] rt_sigprocmask(SIG_SETMASK, [] [pid 4427] <... futex resumed>) = 1 [pid 4426] <... futex resumed>) = 1 [pid 4423] <... futex resumed>) = 0 [pid 4421] <... futex resumed>) = 0 [pid 4429] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4428] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4427] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4426] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4423] exit_group(0 [pid 4421] exit_group(0 [pid 4429] <... futex resumed>) = 1 [pid 4428] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4427] <... futex resumed>) = ? [pid 4426] <... futex resumed>) = ? [pid 4424] <... futex resumed>) = 0 [pid 4423] <... exit_group resumed>) = ? [pid 4421] <... exit_group resumed>) = ? [pid 312] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 4430 attached [pid 4429] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4428] <... futex resumed>) = 0 [pid 4427] +++ exited with 0 +++ [pid 4426] +++ exited with 0 +++ [pid 4424] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4423] +++ exited with 0 +++ [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4430] set_robust_list(0x7f85c0c359a0, 24 [pid 4429] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4428] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4424] <... futex resumed>) = 0 [pid 4421] +++ exited with 0 +++ [pid 4429] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4424] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4423, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4429] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4430] <... set_robust_list resumed>) = 0 [pid 4430] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4430] mkdirat(AT_FDCWD, "./config", 0777 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4421, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4429] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4431 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4429] <... futex resumed>) = 1 [pid 4424] <... futex resumed>) = 0 [pid 4429] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4424] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4429] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4424] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4429] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4424] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4430] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4429] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4430] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4429] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4430] <... futex resumed>) = 1 [pid 4429] <... futex resumed>) = 1 [pid 4428] <... futex resumed>) = 0 [pid 4424] <... futex resumed>) = 0 [pid 4430] mount(NULL, "./config", "configfs", 0, NULL [pid 4429] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4428] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4430] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4428] <... futex resumed>) = 0 [pid 4424] exit_group(0 [pid 4430] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4428] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4430] <... futex resumed>) = 0 [pid 4429] <... futex resumed>) = ? [pid 4428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4424] <... exit_group resumed>) = ? [pid 4430] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4429] +++ exited with 0 +++ [pid 4428] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4430] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4428] <... futex resumed>) = 0 [pid 4430] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4428] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4430] <... futex resumed>) = 0 [pid 4428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4430] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4428] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4430] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4428] <... futex resumed>) = 0 [pid 4424] +++ exited with 0 +++ [pid 4430] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4428] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4424, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4430] <... futex resumed>) = 0 [pid 4428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4430] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4428] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4430] <... mkdirat resumed>) = 0 [pid 4428] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4431 attached [pid 4430] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4428] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4430] <... futex resumed>) = 0 [pid 4428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4430] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4428] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4430] <... symlinkat resumed>) = 0 [pid 4428] <... futex resumed>) = 0 [pid 4430] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4428] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4430] <... futex resumed>) = 0 [pid 4428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4430] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4428] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4430] <... unlinkat resumed>) = 0 [pid 4428] <... futex resumed>) = 0 [pid 4430] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4428] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4430] <... futex resumed>) = 0 [pid 4428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4430] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4428] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4430] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4428] <... futex resumed>) = 0 [pid 4430] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4428] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4430] <... unlinkat resumed>) = 0 [pid 4431] set_robust_list(0x5555810c5760, 24 [pid 4430] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4428] <... futex resumed>) = 0 [pid 4430] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4428] exit_group(0 [pid 4430] <... futex resumed>) = ? [pid 4428] <... exit_group resumed>) = ? [pid 4431] <... set_robust_list resumed>) = 0 [pid 4430] +++ exited with 0 +++ [pid 4431] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4428] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4428, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4431] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4431] setpgid(0, 0) = 0 [pid 4431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4431] write(3, "1000", 4) = 4 [pid 4431] close(3) = 0 [pid 4431] write(1, "executing program\n", 18) = 18 executing program [pid 4431] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4431] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4431] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4431] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4431] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4431] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... restart_syscall resumed>) = 0 [pid 4431] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4431] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 4432 attached [pid 4432] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4432] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4432] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4431] <... clone3 resumed> => {parent_tid=[4432]}, 88) = 4432 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4433 ci2-android-5-15/strace-static-x86_64: Process 4433 attached [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4431] rt_sigprocmask(SIG_SETMASK, [] [pid 4433] set_robust_list(0x5555810c5760, 24 [pid 311] <... restart_syscall resumed>) = 0 [pid 4431] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4431] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4432] <... futex resumed>) = 0 [pid 4431] <... futex resumed>) = 1 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4431] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4432] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4432] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4432] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4433] <... set_robust_list resumed>) = 0 [pid 4433] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 4431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4434 [pid 304] <... restart_syscall resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4431] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4431] <... futex resumed>) = 1 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4431] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555810c5750) = 4435 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4436 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4432] <... futex resumed>) = 0 [pid 4432] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) ci2-android-5-15/strace-static-x86_64: Process 4436 attached [pid 4432] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4432] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4433] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4431] <... futex resumed>) = 0 [pid 4436] set_robust_list(0x5555810c5760, 24 [pid 4433] <... prctl resumed>) = 0 [pid 4433] setpgid(0, 0) = 0 [pid 4433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-5-15/strace-static-x86_64: Process 4434 attached [pid 4436] <... set_robust_list resumed>) = 0 [pid 4431] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4433] <... openat resumed>) = 3 [pid 4433] write(3, "1000", 4) = 4 [pid 4433] close(3) = 0 [pid 4433] write(1, "executing program\n", 18) = 18 executing program [pid 4433] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4433] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4433] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4433] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4433] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4433] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4433] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[4437]}, 88) = 4437 [pid 4433] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4433] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4431] <... futex resumed>) = 1 [pid 4432] <... futex resumed>) = 0 [pid 4431] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4432] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4432] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4432] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4431] <... futex resumed>) = 0 [pid 4432] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4431] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4432] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4431] <... futex resumed>) = 0 [pid 4432] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4431] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4434] set_robust_list(0x5555810c5760, 24 [pid 4432] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4434] <... set_robust_list resumed>) = 0 [pid 4431] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4432] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4431] <... futex resumed>) = 0 [pid 4436] rt_sigprocmask(SIG_SETMASK, [] [pid 4434] rt_sigprocmask(SIG_SETMASK, [] [pid 4432] <... mkdirat resumed>) = 0 [pid 4431] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4432] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4434] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4432] <... futex resumed>) = 0 [pid 4436] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4432] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4431] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4434] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4431] <... futex resumed>) = 0 [pid 4436] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4434] <... prctl resumed>) = 0 [pid 4432] <... symlinkat resumed>) = 0 [pid 4431] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4434] setpgid(0, 0 [pid 4436] <... prctl resumed>) = 0 [pid 4432] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4434] <... setpgid resumed>) = 0 [pid 4431] <... futex resumed>) = 0 [pid 4436] setpgid(0, 0 [pid 4431] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4436] <... setpgid resumed>) = 0 [pid 4432] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4431] <... futex resumed>) = 0 [pid 4434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4431] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4436] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4432] <... unlinkat resumed>) = 0 [pid 4432] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4434] <... openat resumed>) = 3 [pid 4432] <... futex resumed>) = 1 [pid 4431] <... futex resumed>) = 0 [pid 4432] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4431] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4436] <... openat resumed>) = 3 [pid 4434] write(3, "1000", 4 [pid 4431] <... futex resumed>) = 0 [pid 4436] write(3, "1000", 4 [pid 4434] <... write resumed>) = 4 [pid 4432] <... unlinkat resumed>) = 0 [pid 4431] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4436] <... write resumed>) = 4 [pid 4432] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4436] close(3 [pid 4434] close(3 [pid 4431] exit_group(0) = ? [pid 4436] <... close resumed>) = 0 [pid 4434] <... close resumed>) = 0 [pid 4432] +++ exited with 0 +++ [pid 4433] <... futex resumed>) = 0 [pid 4433] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4435 attached [pid 4435] set_robust_list(0x5555810c5760, 24) = 0 [pid 4435] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4435] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4435] setpgid(0, 0 [pid 4431] +++ exited with 0 +++ [pid 4435] <... setpgid resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4431, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4436] write(1, "executing program\n", 18 [pid 4434] write(1, "executing program\n", 18 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4436] <... write resumed>) = 18 [pid 4434] <... write resumed>) = 18 executing program executing program [pid 4435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4435] write(3, "1000", 4 [pid 4436] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4434] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4436] <... futex resumed>) = 0 [pid 4435] <... write resumed>) = 4 [pid 4435] close(3) = 0 [pid 4435] write(1, "executing program\n", 18) = 18 [pid 4435] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 4435] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4435] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4434] <... futex resumed>) = 0 [pid 4436] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4435] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4435] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4434] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4436] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4434] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4435] <... mmap resumed>) = 0x7f85c0c15000 [pid 4434] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4436] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4435] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4435] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4435] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[4438]}, 88) = 4438 [pid 4435] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4435] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4436] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4434] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4436] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4434] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4436] <... mmap resumed>) = 0x7f85c0c15000 [pid 4436] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4434] <... mmap resumed>) = 0x7f85c0c15000 [pid 4436] <... mprotect resumed>) = 0 [pid 4434] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4435] <... futex resumed>) = 0 [pid 4436] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4434] <... mprotect resumed>) = 0 [pid 4436] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4436] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4435] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4434] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 4437 attached , [], 8) = 0 [pid 4436] <... clone3 resumed> => {parent_tid=[4439]}, 88) = 4439 [pid 4434] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4436] rt_sigprocmask(SIG_SETMASK, [] [pid 4437] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 4436] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4436] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4434] <... clone3 resumed> => {parent_tid=[4440]}, 88) = 4440 [pid 4436] <... futex resumed>) = 0 [pid 4434] rt_sigprocmask(SIG_SETMASK, [] [pid 4436] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4434] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4434] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4434] <... futex resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4434] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4437] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4437] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4437] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4433] <... futex resumed>) = 0 [pid 4433] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4433] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4437] <... futex resumed>) = 1 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4441 [pid 4437] mount(NULL, "./config", "configfs", 0, NULL [pid 312] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 4440 attached ci2-android-5-15/strace-static-x86_64: Process 4438 attached [pid 4437] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4437] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4433] <... futex resumed>) = 0 [pid 4433] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4433] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4437] <... futex resumed>) = 1 [pid 4437] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4437] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4433] <... futex resumed>) = 0 [pid 4433] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4433] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4437] <... futex resumed>) = 1 [pid 4437] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4437] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4433] <... futex resumed>) = 0 [pid 4433] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4437] <... futex resumed>) = 1 [pid 4433] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4437] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4440] set_robust_list(0x7f85c0c359a0, 24 [pid 4437] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4433] <... futex resumed>) = 0 [pid 4437] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4433] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4437] <... symlinkat resumed>) = 0 [pid 4433] <... futex resumed>) = 0 [pid 4437] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4433] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4437] <... futex resumed>) = 0 [pid 4433] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4437] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4433] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4437] <... unlinkat resumed>) = 0 [pid 4433] <... futex resumed>) = 0 [pid 4437] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4433] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4437] <... futex resumed>) = 0 [pid 4433] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4437] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4433] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4440] <... set_robust_list resumed>) = 0 [pid 4437] <... unlinkat resumed>) = 0 [pid 4433] <... futex resumed>) = 0 [pid 4438] set_robust_list(0x7f85c0c359a0, 24 [pid 4437] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4433] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4437] <... futex resumed>) = 0 [pid 4433] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4437] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4433] exit_group(0 [pid 4437] <... futex resumed>) = ? [pid 4433] <... exit_group resumed>) = ? [pid 4440] rt_sigprocmask(SIG_SETMASK, [] [pid 4438] <... set_robust_list resumed>) = 0 [pid 4437] +++ exited with 0 +++ [pid 4433] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 4441 attached [pid 4440] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4433, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4441] set_robust_list(0x5555810c5760, 24 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4440] mkdirat(AT_FDCWD, "./config", 0777 [pid 4441] <... set_robust_list resumed>) = 0 [pid 4441] rt_sigprocmask(SIG_SETMASK, [] [pid 4440] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4438] rt_sigprocmask(SIG_SETMASK, [] [pid 4441] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4440] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4441] prctl(PR_SET_PDEATHSIG, SIGKILLci2-android-5-15/strace-static-x86_64: Process 4439 attached ) = 0 [pid 4441] setpgid(0, 0 [pid 4439] set_robust_list(0x7f85c0c359a0, 24 [pid 4440] <... futex resumed>) = 1 [pid 4434] <... futex resumed>) = 0 [pid 4441] <... setpgid resumed>) = 0 [pid 4440] mount(NULL, "./config", "configfs", 0, NULL [pid 4439] <... set_robust_list resumed>) = 0 [pid 4434] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4439] rt_sigprocmask(SIG_SETMASK, [] [pid 4434] <... futex resumed>) = 0 [pid 4441] <... openat resumed>) = 3 [pid 4440] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4439] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4434] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4441] write(3, "1000", 4 [pid 4440] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4439] mkdirat(AT_FDCWD, "./config", 0777 [pid 4438] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4441] <... write resumed>) = 4 [pid 4439] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4441] close(3 [pid 4439] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4441] <... close resumed>) = 0 [pid 4439] <... futex resumed>) = 1 [pid 4440] <... futex resumed>) = 1 [pid 4436] <... futex resumed>) = 0 [pid 4434] <... futex resumed>) = 0 [pid 4440] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4438] mkdirat(AT_FDCWD, "./config", 0777 [pid 4436] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4434] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4440] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4436] <... futex resumed>) = 0 [pid 4434] <... futex resumed>) = 0 [pid 4438] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4441] write(1, "executing program\n", 18 [pid 4439] mount(NULL, "./config", "configfs", 0, NULL [pid 4436] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4434] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4440] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4438] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... restart_syscall resumed>) = 0 executing program [pid 4441] <... write resumed>) = 18 [pid 4440] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4439] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4438] <... futex resumed>) = 1 [pid 4435] <... futex resumed>) = 0 [pid 4441] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4439] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4435] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4441] <... futex resumed>) = 0 [pid 4440] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4439] <... futex resumed>) = 1 [pid 4436] <... futex resumed>) = 0 [pid 4435] <... futex resumed>) = 0 [pid 4441] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4440] <... futex resumed>) = 1 [pid 4439] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4438] mount(NULL, "./config", "configfs", 0, NULL [pid 4436] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4435] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4434] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4441] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4440] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4439] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4436] <... futex resumed>) = 0 [pid 4434] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4438] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4441] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4440] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4439] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4436] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4434] <... futex resumed>) = 0 [pid 4441] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4440] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4439] <... futex resumed>) = 0 [pid 4438] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4436] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4434] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4441] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4440] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4439] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4438] <... futex resumed>) = 1 [pid 4436] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4435] <... futex resumed>) = 0 [pid 4441] <... mmap resumed>) = 0x7f85c0c15000 [pid 4439] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4436] <... futex resumed>) = 0 [pid 4435] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4441] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4440] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4439] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4438] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4436] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4435] <... futex resumed>) = 0 [pid 4441] <... mprotect resumed>) = 0 [pid 4440] <... futex resumed>) = 1 [pid 4439] <... futex resumed>) = 0 [pid 4436] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4435] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4438] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4434] <... futex resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4442 [pid 4441] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4440] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4439] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4438] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4436] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4434] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4441] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4440] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4439] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4436] <... futex resumed>) = 0 [pid 4434] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4435] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4442 attached [pid 4441] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4440] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4439] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4438] <... futex resumed>) = 1 [pid 4436] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4435] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4434] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4440] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4439] <... mkdirat resumed>) = 0 [pid 4438] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4435] <... futex resumed>) = 0 [pid 4441] <... clone3 resumed> => {parent_tid=[4443]}, 88) = 4443 [pid 4440] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4439] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4435] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4442] set_robust_list(0x5555810c5760, 24 [pid 4441] rt_sigprocmask(SIG_SETMASK, [] [pid 4440] <... futex resumed>) = 1 [pid 4439] <... futex resumed>) = 1 [pid 4438] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4436] <... futex resumed>) = 0 [pid 4434] <... futex resumed>) = 0 [pid 4442] <... set_robust_list resumed>) = 0 [pid 4441] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4440] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4439] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4438] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4436] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4442] rt_sigprocmask(SIG_SETMASK, [] [pid 4441] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4440] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4439] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4438] <... futex resumed>) = 1 [pid 4436] <... futex resumed>) = 0 [pid 4435] <... futex resumed>) = 0 [pid 4434] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4442] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4441] <... futex resumed>) = 0 [pid 4440] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4439] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4438] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4436] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4435] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4434] <... futex resumed>) = 0 [pid 4442] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4441] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4440] <... symlinkat resumed>) = 0 [pid 4439] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4435] <... futex resumed>) = 0 [pid 4434] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4442] <... prctl resumed>) = 0 [pid 4440] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4439] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4438] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4435] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4434] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4442] setpgid(0, 0 [pid 4440] <... futex resumed>) = 0 [pid 4439] <... futex resumed>) = 1 [pid 4438] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4436] <... futex resumed>) = 0 [pid 4442] <... setpgid resumed>) = 0 [pid 4440] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4439] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4438] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4436] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4434] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4442] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4440] <... unlinkat resumed>) = 0 [pid 4439] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4438] <... futex resumed>) = 1 [pid 4436] <... futex resumed>) = 0 [pid 4435] <... futex resumed>) = 0 [pid 4434] <... futex resumed>) = 0 [pid 4442] <... openat resumed>) = 3 [pid 4440] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4439] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4436] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4435] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4442] write(3, "1000", 4 [pid 4440] <... futex resumed>) = 0 [pid 4439] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4438] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4434] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4442] <... write resumed>) = 4 [pid 4440] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4439] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4435] <... futex resumed>) = 0 [pid 4442] close(3 [pid 4439] <... futex resumed>) = 1 [pid 4438] <... symlinkat resumed>) = 0 [pid 4436] <... futex resumed>) = 0 [pid 4435] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4434] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4442] <... close resumed>) = 0 [pid 4439] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4438] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4436] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4435] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4434] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4442] write(1, "executing program\n", 18 [pid 4439] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4438] <... futex resumed>) = 0 [pid 4436] <... futex resumed>) = 0 [pid 4435] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4434] <... futex resumed>) = 1 [pid 4442] <... write resumed>) = 18 [pid 4440] <... futex resumed>) = 0 [pid 4439] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR executing program [pid 4436] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4442] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4440] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4439] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 4438] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4435] <... futex resumed>) = 0 [pid 4434] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4443 attached [pid 4442] <... futex resumed>) = 0 [pid 4440] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 4439] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4435] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4442] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4440] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4439] <... futex resumed>) = 1 [pid 4438] <... unlinkat resumed>) = 0 [pid 4436] <... futex resumed>) = 0 [pid 4442] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4440] <... futex resumed>) = 1 [pid 4439] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4436] exit_group(0 [pid 4434] <... futex resumed>) = 0 [pid 4442] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4440] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4439] <... futex resumed>) = ? [pid 4438] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4436] <... exit_group resumed>) = ? [pid 4434] exit_group(0 [pid 4443] set_robust_list(0x7f85c0c359a0, 24 [pid 4442] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4439] +++ exited with 0 +++ [pid 4440] <... futex resumed>) = ? [pid 4438] <... futex resumed>) = 1 [pid 4436] +++ exited with 0 +++ [pid 4435] <... futex resumed>) = 0 [pid 4434] <... exit_group resumed>) = ? [pid 4442] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4440] +++ exited with 0 +++ [pid 4442] <... mmap resumed>) = 0x7f85c0c15000 [pid 4435] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4442] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4442] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4442] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[4444]}, 88) = 4444 [pid 4434] +++ exited with 0 +++ [pid 4442] rt_sigprocmask(SIG_SETMASK, [] [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4436, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4435] <... futex resumed>) = 0 [pid 4443] <... set_robust_list resumed>) = 0 [pid 4442] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4438] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4434, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4435] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4442] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4442] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4438] <... unlinkat resumed>) = 0 [pid 4443] rt_sigprocmask(SIG_SETMASK, [] [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4438] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4443] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4438] <... futex resumed>) = 1 [pid 4435] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4444 attached [pid 4438] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4435] exit_group(0) = ? [pid 4438] <... futex resumed>) = ? [pid 4444] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4444] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4444] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4444] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4442] <... futex resumed>) = 0 [pid 4442] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4442] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4438] +++ exited with 0 +++ [pid 4435] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4435, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... restart_syscall resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4443] mkdirat(AT_FDCWD, "./config", 0777 [pid 4444] <... futex resumed>) = 1 [pid 4444] mount(NULL, "./config", "configfs", 0, NULL [pid 4443] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4443] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4444] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4444] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4443] <... futex resumed>) = 1 [pid 4441] <... futex resumed>) = 0 [pid 4441] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4445 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4441] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4443] mount(NULL, "./config", "configfs", 0, NULLci2-android-5-15/strace-static-x86_64: Process 4446 attached ci2-android-5-15/strace-static-x86_64: Process 4445 attached [pid 4442] <... futex resumed>) = 0 [pid 4441] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 4443] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4442] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4446 [pid 4443] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4442] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4443] <... futex resumed>) = 1 [pid 4442] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4441] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4443] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4441] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4443] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4441] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4441] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4443] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4444] <... futex resumed>) = 1 [pid 4444] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4444] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4442] <... futex resumed>) = 0 [pid 4442] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4443] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4442] <... futex resumed>) = 0 [pid 4442] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4447 [pid 4443] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4444] <... futex resumed>) = 1 [pid 4444] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4443] <... futex resumed>) = 1 [pid 4441] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4441] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4443] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4441] <... futex resumed>) = 0 [pid 4441] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4444] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4443] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4444] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4442] <... futex resumed>) = 0 [pid 4442] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4442] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4444] <... futex resumed>) = 1 [pid 4444] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4443] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4445] set_robust_list(0x5555810c5760, 24 [pid 4444] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4442] <... futex resumed>) = 0 [pid 4443] <... futex resumed>) = 1 [pid 4442] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4441] <... futex resumed>) = 0 [pid 4446] set_robust_list(0x5555810c5760, 24 [pid 4445] <... set_robust_list resumed>) = 0 [pid 4444] <... futex resumed>) = 1 [pid 4443] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4442] <... futex resumed>) = 0 [pid 4441] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4444] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4443] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4442] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4441] <... futex resumed>) = 0 [pid 4444] <... symlinkat resumed>) = 0 [pid 4443] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4441] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4444] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4443] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4444] <... futex resumed>) = 1 [pid 4442] <... futex resumed>) = 0 [pid 4444] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4442] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4444] <... unlinkat resumed>) = 0 [pid 4443] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4442] <... futex resumed>) = 0 [pid 4444] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4443] <... futex resumed>) = 1 [pid 4442] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4441] <... futex resumed>) = 0 [pid 4444] <... futex resumed>) = 0 [pid 4443] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4442] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4441] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4444] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4443] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4442] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4441] <... futex resumed>) = 0 [pid 4444] <... unlinkat resumed>) = 0 [pid 4443] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4442] <... futex resumed>) = 0 [pid 4441] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4444] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4443] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4442] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4444] <... futex resumed>) = 0 [pid 4443] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4442] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ci2-android-5-15/strace-static-x86_64: Process 4447 attached [pid 4444] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4443] <... futex resumed>) = 1 [pid 4442] exit_group(0 [pid 4441] <... futex resumed>) = 0 [pid 4447] set_robust_list(0x5555810c5760, 24 [pid 4445] rt_sigprocmask(SIG_SETMASK, [] [pid 4444] <... futex resumed>) = ? [pid 4443] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4442] <... exit_group resumed>) = ? [pid 4441] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4447] <... set_robust_list resumed>) = 0 [pid 4446] <... set_robust_list resumed>) = 0 [pid 4445] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4444] +++ exited with 0 +++ [pid 4443] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4442] +++ exited with 0 +++ [pid 4441] <... futex resumed>) = 0 [pid 4447] rt_sigprocmask(SIG_SETMASK, [] [pid 4445] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4443] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4441] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4447] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4445] <... prctl resumed>) = 0 [pid 4443] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4442, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4445] setpgid(0, 0 [pid 4443] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4445] <... setpgid resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4447] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4443] <... futex resumed>) = 1 [pid 4441] <... futex resumed>) = 0 [pid 4447] <... prctl resumed>) = 0 [pid 4445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4443] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4441] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4447] setpgid(0, 0 [pid 4443] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4441] <... futex resumed>) = 0 [pid 4447] <... setpgid resumed>) = 0 [pid 4443] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4441] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4445] <... openat resumed>) = 3 [pid 4443] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4447] <... openat resumed>) = 3 [pid 4445] write(3, "1000", 4 [pid 4443] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4447] write(3, "1000", 4 [pid 4445] <... write resumed>) = 4 [pid 4443] <... futex resumed>) = 1 [pid 4441] <... futex resumed>) = 0 [pid 4447] <... write resumed>) = 4 [pid 4445] close(3 [pid 4443] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4441] exit_group(0 [pid 4447] close(3 [pid 4445] <... close resumed>) = 0 [pid 4443] <... futex resumed>) = ? [pid 4441] <... exit_group resumed>) = ? [pid 4447] <... close resumed>) = 0 [pid 4446] rt_sigprocmask(SIG_SETMASK, [] [pid 4445] write(1, "executing program\n", 18 [pid 4443] +++ exited with 0 +++ [pid 4441] +++ exited with 0 +++ [pid 4447] write(1, "executing program\n", 18 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4441, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4445] <... write resumed>) = 18 executing program [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4447] <... write resumed>) = 18 [pid 4445] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4447] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 4447] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4447] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4447] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4447] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4447] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4447] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[4448]}, 88) = 4448 [pid 4447] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4445] <... futex resumed>) = 0 [pid 4447] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4447] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4445] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4448 attached [pid 4445] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4445] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4448] set_robust_list(0x7f85c0c359a0, 24 [pid 4445] <... mmap resumed>) = 0x7f85c0c15000 [pid 4445] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4448] <... set_robust_list resumed>) = 0 [pid 4448] rt_sigprocmask(SIG_SETMASK, [] [pid 4445] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4448] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4445] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4445] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4448] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4448] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4447] <... futex resumed>) = 0 [pid 4447] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4447] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4449 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4448] <... futex resumed>) = 1 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4448] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 4448] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4447] <... futex resumed>) = 0 [pid 4447] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4447] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4450 [pid 4445] <... clone3 resumed> => {parent_tid=[4451]}, 88) = 4451 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4445] rt_sigprocmask(SIG_SETMASK, [] [pid 4446] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4445] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4445] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4448] <... futex resumed>) = 1 [pid 4445] <... futex resumed>) = 0 [pid 4446] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4448] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4445] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4446] <... prctl resumed>) = 0 [pid 4448] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4446] setpgid(0, 0 [pid 4448] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4447] <... futex resumed>) = 0 [pid 4447] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4447] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4448] <... futex resumed>) = 1 [pid 4448] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4448] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4447] <... futex resumed>) = 0 [pid 4447] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4447] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4448] <... futex resumed>) = 1 [pid 4448] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4446] <... setpgid resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4450 attached [pid 4448] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4447] <... futex resumed>) = 0 [pid 4447] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4447] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4448] <... futex resumed>) = 1 [pid 4448] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4448] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4446] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4447] <... futex resumed>) = 0 [pid 4447] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4447] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4448] <... futex resumed>) = 1 [pid 4448] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4448] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4447] <... futex resumed>) = 0 [pid 4447] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4446] <... openat resumed>) = 3 [pid 4447] <... futex resumed>) = 0 [pid 4447] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4448] <... futex resumed>) = 1 [pid 4448] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4450] set_robust_list(0x5555810c5760, 24 [pid 4446] write(3, "1000", 4 [pid 4448] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4449 attached [pid 4449] set_robust_list(0x5555810c5760, 24 [pid 4450] <... set_robust_list resumed>) = 0 [pid 4446] <... write resumed>) = 4 [pid 4449] <... set_robust_list resumed>) = 0 [pid 4448] <... futex resumed>) = 1 [pid 4447] <... futex resumed>) = 0 [pid 4446] close(3 [pid 4450] rt_sigprocmask(SIG_SETMASK, [] [pid 4448] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4447] exit_group(0) = ? [pid 4446] <... close resumed>) = 0 [pid 4450] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4449] rt_sigprocmask(SIG_SETMASK, [] [pid 4448] <... futex resumed>) = -1 ENOSYS (Function not implemented) [pid 4446] write(1, "executing program\n", 18 [pid 4449] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4446] <... write resumed>) = 18 [pid 4449] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4449] setpgid(0, 0) = 0 [pid 4449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4448] +++ exited with 0 +++ [pid 4447] +++ exited with 0 +++ [pid 4446] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4450] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4446] <... futex resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4447, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 4446] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4450] <... prctl resumed>) = 0 [pid 4446] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4449] write(3, "1000", 4) = 4 [pid 4449] close(3) = 0 [pid 4446] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4450] setpgid(0, 0 [pid 4446] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4450] <... setpgid resumed>) = 0 [pid 4449] write(1, "executing program\n", 18 [pid 4446] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4449] <... write resumed>) = 18 ci2-android-5-15/strace-static-x86_64: Process 4451 attached [pid 4451] set_robust_list(0x7f85c0c359a0, 24 [pid 4446] <... mmap resumed>) = 0x7f85c0c15000 executing program [pid 4450] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4449] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4446] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4451] <... set_robust_list resumed>) = 0 [pid 4446] <... mprotect resumed>) = 0 [pid 4449] <... futex resumed>) = 0 [pid 4451] rt_sigprocmask(SIG_SETMASK, [] [pid 4450] <... openat resumed>) = 3 [pid 4449] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4446] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4450] write(3, "1000", 4 [pid 4446] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4451] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4446] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4450] <... write resumed>) = 4 [pid 4449] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4450] close(3 [pid 4451] mkdirat(AT_FDCWD, "./config", 0777 [pid 4446] <... clone3 resumed> => {parent_tid=[4452]}, 88) = 4452 [pid 4450] <... close resumed>) = 0 [pid 4446] rt_sigprocmask(SIG_SETMASK, [] [pid 4451] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4450] write(1, "executing program\n", 18 [pid 4449] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4446] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4451] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4449] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4450] <... write resumed>) = 18 executing program [pid 4446] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4451] <... futex resumed>) = 1 [pid 4449] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4446] <... futex resumed>) = 0 [pid 4445] <... futex resumed>) = 0 [pid 4450] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4445] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4446] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4450] <... futex resumed>) = 0 [pid 4445] <... futex resumed>) = 0 [pid 4451] mount(NULL, "./config", "configfs", 0, NULL [pid 4450] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4449] <... mmap resumed>) = 0x7f85c0c15000 [pid 4445] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4451] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4450] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4449] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4451] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4449] <... mprotect resumed>) = 0 [pid 4451] <... futex resumed>) = 1 [pid 4449] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4450] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4445] <... futex resumed>) = 0 [pid 4445] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4450] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4445] <... futex resumed>) = 0 [pid 4451] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4449] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4450] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4445] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4451] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4450] <... mmap resumed>) = 0x7f85c0c15000 [pid 4449] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4451] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4450] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4451] <... futex resumed>) = 1 [pid 4450] <... mprotect resumed>) = 0 [pid 4445] <... futex resumed>) = 0 [pid 4451] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4450] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4449] <... clone3 resumed> => {parent_tid=[4453]}, 88) = 4453 [pid 4445] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4451] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4450] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4449] rt_sigprocmask(SIG_SETMASK, [] [pid 4445] <... futex resumed>) = 0 [pid 4451] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4449] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4445] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4451] <... futex resumed>) = 0 [pid 4450] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4449] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4445] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4451] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4449] <... futex resumed>) = 0 [pid 4445] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4454 attached ci2-android-5-15/strace-static-x86_64: Process 4453 attached [pid 4451] <... mkdirat resumed>) = 0 [pid 4449] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4445] <... futex resumed>) = 0 [pid 4451] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4450] <... clone3 resumed> => {parent_tid=[4454]}, 88) = 4454 [pid 4445] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4451] <... futex resumed>) = 0 [pid 4450] rt_sigprocmask(SIG_SETMASK, [] [pid 4445] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4451] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4445] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... restart_syscall resumed>) = 0 [pid 4451] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4450] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4445] <... futex resumed>) = 0 [pid 4451] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4450] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4445] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4452 attached [pid 4451] <... symlinkat resumed>) = 0 [pid 4450] <... futex resumed>) = 0 [pid 4452] set_robust_list(0x7f85c0c359a0, 24 [pid 4451] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4452] <... set_robust_list resumed>) = 0 [pid 4451] <... futex resumed>) = 1 [pid 4450] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4445] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4452] rt_sigprocmask(SIG_SETMASK, [] [pid 4451] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4445] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4452] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4451] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4445] <... futex resumed>) = 0 [pid 4452] mkdirat(AT_FDCWD, "./config", 0777 [pid 4451] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4445] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4452] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4451] <... unlinkat resumed>) = 0 [pid 4452] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4451] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4452] <... futex resumed>) = 1 [pid 4451] <... futex resumed>) = 1 [pid 4445] <... futex resumed>) = 0 [pid 4452] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4451] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4445] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4451] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4445] <... futex resumed>) = 0 [pid 4451] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4446] <... futex resumed>) = 0 [pid 4445] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4451] <... unlinkat resumed>) = 0 [pid 4446] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4451] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4455 [pid 4452] <... futex resumed>) = 0 [pid 4451] <... futex resumed>) = 1 [pid 4446] <... futex resumed>) = 1 [pid 4445] <... futex resumed>) = 0 [pid 4452] mount(NULL, "./config", "configfs", 0, NULL [pid 4451] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4446] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4445] exit_group(0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4453] set_robust_list(0x7f85c0c359a0, 24 [pid 4452] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4451] <... futex resumed>) = ? [pid 4445] <... exit_group resumed>) = ? [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4454] set_robust_list(0x7f85c0c359a0, 24 [pid 4453] <... set_robust_list resumed>) = 0 [pid 4452] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4451] +++ exited with 0 +++ [pid 4445] +++ exited with 0 +++ [pid 4452] <... futex resumed>) = 1 [pid 4453] rt_sigprocmask(SIG_SETMASK, [] [pid 4446] <... futex resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4445, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4452] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4446] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4453] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4452] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4446] <... futex resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4452] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4446] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4453] mkdirat(AT_FDCWD, "./config", 0777 [pid 4452] <... futex resumed>) = 0 [pid 4446] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4452] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4446] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4452] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4446] <... futex resumed>) = 0 [pid 4452] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4446] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4452] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4452] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4446] <... futex resumed>) = 0 [pid 4452] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4446] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4452] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4446] <... futex resumed>) = 0 [pid 4452] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4446] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4452] <... mkdirat resumed>) = 0 [pid 4453] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4452] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4455 attached [pid 4454] <... set_robust_list resumed>) = 0 [pid 4452] <... futex resumed>) = 1 [pid 4446] <... futex resumed>) = 0 [pid 4455] set_robust_list(0x5555810c5760, 24 [pid 4452] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4446] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4455] <... set_robust_list resumed>) = 0 [pid 4452] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4446] <... futex resumed>) = 0 [pid 4455] rt_sigprocmask(SIG_SETMASK, [] [pid 4452] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4446] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4455] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4452] <... symlinkat resumed>) = 0 [pid 4455] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4454] rt_sigprocmask(SIG_SETMASK, [] [pid 4453] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4452] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4455] <... prctl resumed>) = 0 [pid 4454] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4453] <... futex resumed>) = 1 [pid 4452] <... futex resumed>) = 1 [pid 4449] <... futex resumed>) = 0 [pid 4446] <... futex resumed>) = 0 [pid 4453] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4452] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4449] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4446] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4454] mkdirat(AT_FDCWD, "./config", 0777 [pid 4452] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4453] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4449] <... futex resumed>) = 0 [pid 4455] setpgid(0, 0 [pid 4446] <... futex resumed>) = 0 [pid 4454] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4453] mount(NULL, "./config", "configfs", 0, NULL [pid 4452] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4449] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4446] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4455] <... setpgid resumed>) = 0 [pid 4454] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4453] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4452] <... unlinkat resumed>) = 0 [pid 4453] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4452] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4453] <... futex resumed>) = 1 [pid 4452] <... futex resumed>) = 1 [pid 4449] <... futex resumed>) = 0 [pid 4446] <... futex resumed>) = 0 [pid 4452] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4449] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4446] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4453] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4452] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4450] <... futex resumed>) = 0 [pid 4449] <... futex resumed>) = 0 [pid 4446] <... futex resumed>) = 0 [pid 4455] <... openat resumed>) = 3 [pid 4454] <... futex resumed>) = 1 [pid 4453] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4452] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4450] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4449] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4446] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4455] write(3, "1000", 4 [pid 4454] mount(NULL, "./config", "configfs", 0, NULL [pid 4453] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4452] <... unlinkat resumed>) = 0 [pid 4450] <... futex resumed>) = 0 [pid 4449] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] <... restart_syscall resumed>) = 0 [pid 4455] <... write resumed>) = 4 [pid 4453] <... futex resumed>) = 0 [pid 4452] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4450] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4449] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4455] close(3 [pid 4454] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4453] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4452] <... futex resumed>) = 1 [pid 4449] <... futex resumed>) = 0 [pid 4446] <... futex resumed>) = 0 [pid 4453] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4452] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4449] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4446] exit_group(0 [pid 4455] <... close resumed>) = 0 [pid 4454] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4455] write(1, "executing program\n", 18 [pid 4453] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4452] <... futex resumed>) = ? [pid 4449] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4446] <... exit_group resumed>) = ? executing program [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4455] <... write resumed>) = 18 [pid 4454] <... futex resumed>) = 1 [pid 4453] <... futex resumed>) = 0 [pid 4452] +++ exited with 0 +++ [pid 4450] <... futex resumed>) = 0 [pid 4449] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4455] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4454] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4453] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4450] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4449] <... futex resumed>) = 0 [pid 4446] +++ exited with 0 +++ [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 4456 attached [pid 4455] <... futex resumed>) = 0 [pid 4454] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4453] <... mkdirat resumed>) = 0 [pid 4450] <... futex resumed>) = 0 [pid 4449] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4446, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4455] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4454] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4453] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4450] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4449] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4456 [pid 4456] set_robust_list(0x5555810c5760, 24 [pid 4454] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4453] <... futex resumed>) = 0 [pid 4449] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4455] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4454] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4453] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4449] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4456] <... set_robust_list resumed>) = 0 [pid 4455] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4454] <... futex resumed>) = 1 [pid 4453] <... symlinkat resumed>) = 0 [pid 4450] <... futex resumed>) = 0 [pid 4449] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4454] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4453] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4450] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4449] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4454] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4453] <... futex resumed>) = 0 [pid 4450] <... futex resumed>) = 0 [pid 4449] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4454] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4453] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4450] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4449] <... futex resumed>) = 0 [pid 4456] rt_sigprocmask(SIG_SETMASK, [] [pid 4455] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4454] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4453] <... unlinkat resumed>) = 0 [pid 4449] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4454] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4453] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4449] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4456] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4455] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4454] <... futex resumed>) = 1 [pid 4453] <... futex resumed>) = 0 [pid 4450] <... futex resumed>) = 0 [pid 4449] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4455] <... mmap resumed>) = 0x7f85c0c15000 [pid 4454] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4453] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4450] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4449] <... futex resumed>) = 0 [pid 4456] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4455] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4454] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4453] <... unlinkat resumed>) = 0 [pid 4450] <... futex resumed>) = 0 [pid 4449] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4456] <... prctl resumed>) = 0 [pid 4455] <... mprotect resumed>) = 0 [pid 4454] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4453] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4450] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4449] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4456] setpgid(0, 0 [pid 4455] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4454] <... mkdirat resumed>) = 0 [pid 4453] <... futex resumed>) = 0 [pid 4449] exit_group(0 [pid 4455] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4454] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4449] <... exit_group resumed>) = ? [pid 4456] <... setpgid resumed>) = 0 [pid 4455] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4454] <... futex resumed>) = 1 [pid 4453] +++ exited with 0 +++ [pid 4450] <... futex resumed>) = 0 [pid 4449] +++ exited with 0 +++ [pid 4454] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4450] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4455] <... clone3 resumed> => {parent_tid=[4457]}, 88) = 4457 [pid 4454] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4450] <... futex resumed>) = 0 [pid 4456] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4455] rt_sigprocmask(SIG_SETMASK, [] [pid 4454] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4450] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4449, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 4457 attached [pid 4456] <... openat resumed>) = 3 [pid 4455] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4454] <... symlinkat resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4456] write(3, "1000", 4 [pid 4455] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4454] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4456] <... write resumed>) = 4 [pid 4455] <... futex resumed>) = 0 [pid 4454] <... futex resumed>) = 1 [pid 4450] <... futex resumed>) = 0 [pid 4457] set_robust_list(0x7f85c0c359a0, 24 [pid 4456] close(3 [pid 4455] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4454] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4450] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4456] <... close resumed>) = 0 [pid 4454] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4450] <... futex resumed>) = 0 [pid 4454] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4450] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4457] <... set_robust_list resumed>) = 0 [pid 4456] write(1, "executing program\n", 18 [pid 4454] <... unlinkat resumed>) = 0 [pid 4454] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4450] <... futex resumed>) = 0 executing program [pid 4454] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4450] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4457] rt_sigprocmask(SIG_SETMASK, [] [pid 4456] <... write resumed>) = 18 [pid 4454] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4450] <... futex resumed>) = 0 [pid 4454] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4450] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4457] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4456] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4454] <... unlinkat resumed>) = 0 [pid 4454] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4450] <... futex resumed>) = 0 [pid 4454] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4450] exit_group(0 [pid 4454] <... futex resumed>) = ? [pid 4450] <... exit_group resumed>) = ? [pid 4457] mkdirat(AT_FDCWD, "./config", 0777 [pid 4456] <... futex resumed>) = 0 [pid 4454] +++ exited with 0 +++ [pid 4450] +++ exited with 0 +++ [pid 4456] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4450, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4456] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4456] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4456] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4456] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... restart_syscall resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4456] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4456] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4456] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4458 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4457] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4456] <... clone3 resumed> => {parent_tid=[4459]}, 88) = 4459 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4457] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4456] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4457] <... futex resumed>) = 1 [pid 4456] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4455] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4461 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4460 [pid 4457] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4456] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4455] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4457] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4456] <... futex resumed>) = 0 [pid 4455] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4457] mount(NULL, "./config", "configfs", 0, NULL [pid 4456] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4455] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4457] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4457] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4458 attached [pid 4458] set_robust_list(0x5555810c5760, 24ci2-android-5-15/strace-static-x86_64: Process 4460 attached ) = 0 [pid 4457] <... futex resumed>) = 1 [pid 4455] <... futex resumed>) = 0 [pid 4458] rt_sigprocmask(SIG_SETMASK, [] [pid 4457] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4455] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4460] set_robust_list(0x5555810c5760, 24 [pid 4455] <... futex resumed>) = 0 [pid 4457] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4455] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4458] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4457] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4458] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4457] <... futex resumed>) = 1 [pid 4455] <... futex resumed>) = 0 [pid 4458] <... prctl resumed>) = 0 [pid 4457] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4455] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4458] setpgid(0, 0 [pid 4455] <... futex resumed>) = 0 [pid 4457] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4455] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4458] <... setpgid resumed>) = 0 [pid 4457] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4460] <... set_robust_list resumed>) = 0 [pid 4458] <... openat resumed>) = 3 [pid 4457] <... futex resumed>) = 1 [pid 4455] <... futex resumed>) = 0 [pid 4457] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4455] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4458] write(3, "1000", 4 [pid 4457] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4455] <... futex resumed>) = 0 [pid 4460] rt_sigprocmask(SIG_SETMASK, [] [pid 4457] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4455] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4461 attached [pid 4458] <... write resumed>) = 4 [pid 4461] set_robust_list(0x5555810c5760, 24 [pid 4460] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4458] close(3 [pid 4457] <... mkdirat resumed>) = 0 [pid 4461] <... set_robust_list resumed>) = 0 [pid 4458] <... close resumed>) = 0 [pid 4457] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4460] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4457] <... futex resumed>) = 1 [pid 4455] <... futex resumed>) = 0 [pid 4460] <... prctl resumed>) = 0 [pid 4457] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4455] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4460] setpgid(0, 0 [pid 4457] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4455] <... futex resumed>) = 0 [pid 4460] <... setpgid resumed>) = 0 [pid 4457] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4455] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4459 attached [pid 4461] rt_sigprocmask(SIG_SETMASK, [] [pid 4458] write(1, "executing program\n", 18 [pid 4457] <... symlinkat resumed>) = 0 [pid 4460] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4457] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4461] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4460] <... openat resumed>) = 3 executing program [pid 4459] set_robust_list(0x7f85c0c359a0, 24 [pid 4458] <... write resumed>) = 18 [pid 4457] <... futex resumed>) = 1 [pid 4455] <... futex resumed>) = 0 [pid 4461] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4460] write(3, "1000", 4 [pid 4459] <... set_robust_list resumed>) = 0 [pid 4458] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4457] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4455] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4460] <... write resumed>) = 4 [pid 4457] <... unlinkat resumed>) = 0 [pid 4455] <... futex resumed>) = 0 [pid 4461] <... prctl resumed>) = 0 [pid 4460] close(3 [pid 4459] rt_sigprocmask(SIG_SETMASK, [] [pid 4458] <... futex resumed>) = 0 [pid 4457] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4455] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4460] <... close resumed>) = 0 [pid 4457] <... futex resumed>) = 0 [pid 4455] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4460] write(1, "executing program\n", 18 [pid 4457] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4455] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4460] <... write resumed>) = 18 [pid 4457] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 4455] <... futex resumed>) = 0 [pid 4460] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4457] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4455] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4461] setpgid(0, 0 [pid 4460] <... futex resumed>) = 0 [pid 4459] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4458] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4457] <... unlinkat resumed>) = 0 [pid 4461] <... setpgid resumed>) = 0 [pid 4460] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4459] mkdirat(AT_FDCWD, "./config", 0777 [pid 4458] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4457] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4460] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4459] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4458] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4461] <... openat resumed>) = 3 [pid 4460] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4459] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4458] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4457] <... futex resumed>) = 1 [pid 4455] <... futex resumed>) = 0 [pid 4461] write(3, "1000", 4 [pid 4460] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4459] <... futex resumed>) = 1 [pid 4458] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4457] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4456] <... futex resumed>) = 0 [pid 4455] exit_group(0 [pid 4461] <... write resumed>) = 4 [pid 4460] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4459] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4458] <... mmap resumed>) = 0x7f85c0c15000 [pid 4456] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4455] <... exit_group resumed>) = ? [pid 4461] close(3 [pid 4460] <... mmap resumed>) = 0x7f85c0c15000 [pid 4459] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4458] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4457] <... futex resumed>) = ? [pid 4456] <... futex resumed>) = 0 [pid 4461] <... close resumed>) = 0 [pid 4460] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4459] mount(NULL, "./config", "configfs", 0, NULL [pid 4458] <... mprotect resumed>) = 0 [pid 4461] write(1, "executing program\n", 18 [pid 4459] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4458] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4461] <... write resumed>) = 18 [pid 4459] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4458] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4457] +++ exited with 0 +++ [pid 4455] +++ exited with 0 +++ executing program [pid 4456] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4461] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4460] <... mprotect resumed>) = 0 [pid 4459] <... futex resumed>) = 0 [pid 4458] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4455, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4461] <... futex resumed>) = 0 [pid 4460] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4459] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4456] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4461] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4460] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4459] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4458] <... clone3 resumed> => {parent_tid=[4462]}, 88) = 4462 [pid 4456] <... futex resumed>) = 0 [pid 4461] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4460] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4459] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4458] rt_sigprocmask(SIG_SETMASK, [] [pid 4456] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4462 attached ci2-android-5-15/strace-static-x86_64: Process 4463 attached [pid 4461] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4459] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4458] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 4461] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4459] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4458] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4463] set_robust_list(0x7f85c0c359a0, 24 [pid 4462] set_robust_list(0x7f85c0c359a0, 24 [pid 4461] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4460] <... clone3 resumed> => {parent_tid=[4463]}, 88) = 4463 [pid 4459] <... futex resumed>) = 1 [pid 4458] <... futex resumed>) = 0 [pid 4456] <... futex resumed>) = 0 [pid 4461] <... mmap resumed>) = 0x7f85c0c15000 [pid 4459] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4458] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4461] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4460] rt_sigprocmask(SIG_SETMASK, [] [pid 4459] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4456] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4461] <... mprotect resumed>) = 0 [pid 4459] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4461] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4459] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4463] <... set_robust_list resumed>) = 0 [pid 4462] <... set_robust_list resumed>) = 0 [pid 4461] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4460] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4459] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4456] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4461] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4459] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4464 attached [pid 4463] rt_sigprocmask(SIG_SETMASK, [] [pid 4462] rt_sigprocmask(SIG_SETMASK, [] [pid 4460] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4459] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4456] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4461] <... clone3 resumed> => {parent_tid=[4464]}, 88) = 4464 [pid 4461] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4461] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4461] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4462] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4460] <... futex resumed>) = 0 [pid 4456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4463] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4460] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4465 attached [pid 4456] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4462] mkdirat(AT_FDCWD, "./config", 0777 [pid 4465] set_robust_list(0x5555810c5760, 24) = 0 [pid 4464] set_robust_list(0x7f85c0c359a0, 24 [pid 4463] mkdirat(AT_FDCWD, "./config", 0777 [pid 4462] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4459] <... futex resumed>) = 0 [pid 4456] <... futex resumed>) = 1 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4465 [pid 4459] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4464] <... set_robust_list resumed>) = 0 [pid 4463] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4462] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4459] <... mkdirat resumed>) = 0 [pid 4456] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4459] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4459] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4465] rt_sigprocmask(SIG_SETMASK, [] [pid 4462] <... futex resumed>) = 1 [pid 4458] <... futex resumed>) = 0 [pid 4456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4458] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4458] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4465] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4465] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4456] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4463] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4462] mount(NULL, "./config", "configfs", 0, NULL [pid 4459] <... futex resumed>) = 0 [pid 4456] <... futex resumed>) = 1 [pid 4459] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4463] <... futex resumed>) = 1 [pid 4462] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4460] <... futex resumed>) = 0 [pid 4459] <... symlinkat resumed>) = 0 [pid 4456] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4463] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4462] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4460] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4459] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4463] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4462] <... futex resumed>) = 1 [pid 4460] <... futex resumed>) = 0 [pid 4459] <... futex resumed>) = 0 [pid 4458] <... futex resumed>) = 0 [pid 4456] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4463] mount(NULL, "./config", "configfs", 0, NULL [pid 4462] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4460] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4459] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4458] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4456] <... futex resumed>) = 0 [pid 4465] <... prctl resumed>) = 0 [pid 4463] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4462] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4459] <... unlinkat resumed>) = 0 [pid 4458] <... futex resumed>) = 0 [pid 4456] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4465] setpgid(0, 0 [pid 4463] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4462] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4459] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4458] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4465] <... setpgid resumed>) = 0 [pid 4463] <... futex resumed>) = 1 [pid 4462] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4460] <... futex resumed>) = 0 [pid 4459] <... futex resumed>) = 0 [pid 4456] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4463] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4462] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4460] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4459] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4456] <... futex resumed>) = 0 [pid 4465] <... openat resumed>) = 3 [pid 4464] rt_sigprocmask(SIG_SETMASK, [] [pid 4463] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4462] <... futex resumed>) = 1 [pid 4460] <... futex resumed>) = 0 [pid 4459] <... unlinkat resumed>) = 0 [pid 4458] <... futex resumed>) = 0 [pid 4456] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4465] write(3, "1000", 4 [pid 4463] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4462] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4460] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4459] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4458] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4465] <... write resumed>) = 4 [pid 4463] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4462] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4459] <... futex resumed>) = 0 [pid 4458] <... futex resumed>) = 0 [pid 4465] close(3 [pid 4463] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4462] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4459] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4458] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4456] exit_group(0 [pid 4465] <... close resumed>) = 0 [pid 4463] <... futex resumed>) = 1 [pid 4462] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4460] <... futex resumed>) = 0 [pid 4459] <... futex resumed>) = ? [pid 4456] <... exit_group resumed>) = ? [pid 4465] write(1, "executing program\n", 18 [pid 4463] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4462] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4460] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4459] +++ exited with 0 +++ [pid 4465] <... write resumed>) = 18 [pid 4465] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4456] +++ exited with 0 +++ [pid 4465] <... futex resumed>) = 0 [pid 4460] <... futex resumed>) = 0 executing program [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4456, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4462] <... futex resumed>) = 1 [pid 4463] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4458] <... futex resumed>) = 0 [pid 4465] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4463] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4462] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4460] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4458] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4465] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4464] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4463] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4462] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4458] <... futex resumed>) = 0 [pid 4465] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4464] mkdirat(AT_FDCWD, "./config", 0777 [pid 4463] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4462] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4458] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4465] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4463] <... futex resumed>) = 1 [pid 4460] <... futex resumed>) = 0 [pid 4462] <... mkdirat resumed>) = 0 [pid 4465] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4464] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4463] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4460] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4465] <... mmap resumed>) = 0x7f85c0c15000 [pid 4464] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4463] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4462] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4460] <... futex resumed>) = 0 [pid 4465] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4464] <... futex resumed>) = 1 [pid 4463] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4462] <... futex resumed>) = 1 [pid 4461] <... futex resumed>) = 0 [pid 4458] <... futex resumed>) = 0 [pid 4465] <... mprotect resumed>) = 0 [pid 4464] mount(NULL, "./config", "configfs", 0, NULL [pid 4463] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4462] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4461] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4460] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4458] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4465] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4464] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4463] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4462] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4461] <... futex resumed>) = 0 [pid 4460] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4458] <... futex resumed>) = 0 [pid 4465] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4464] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4463] <... futex resumed>) = 0 [pid 4462] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4461] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4460] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4458] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4465] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4464] <... futex resumed>) = 0 [pid 4463] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4462] <... symlinkat resumed>) = 0 [pid 4461] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4460] <... futex resumed>) = 0 [pid 4464] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4463] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4462] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4461] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4465] <... clone3 resumed> => {parent_tid=[4466]}, 88) = 4466 [pid 4464] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4463] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4462] <... futex resumed>) = 1 [pid 4461] <... futex resumed>) = 0 [pid 4460] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4458] <... futex resumed>) = 0 [pid 4465] rt_sigprocmask(SIG_SETMASK, [] [pid 4464] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4463] <... futex resumed>) = 0 [pid 4462] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4461] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4460] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4458] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4465] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4464] <... futex resumed>) = 0 [pid 4463] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4462] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4461] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4460] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4458] <... futex resumed>) = 0 [pid 4465] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4464] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4463] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4462] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4461] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4460] <... futex resumed>) = 0 [pid 4458] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4465] <... futex resumed>) = 0 [pid 4464] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4463] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4462] <... unlinkat resumed>) = 0 [pid 4461] <... futex resumed>) = 0 [pid 4460] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4465] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4464] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4463] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4462] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4461] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4464] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4463] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4462] <... futex resumed>) = 1 [pid 4458] <... futex resumed>) = 0 [pid 4464] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4463] <... futex resumed>) = 1 [pid 4462] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4460] <... futex resumed>) = 0 [pid 4458] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4464] <... futex resumed>) = 1 [pid 4463] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4462] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4461] <... futex resumed>) = 0 [pid 4460] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4458] <... futex resumed>) = 0 [pid 4464] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4463] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4462] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4461] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4460] <... futex resumed>) = 0 [pid 4458] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4464] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4463] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4461] <... futex resumed>) = 0 [pid 4464] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4462] <... unlinkat resumed>) = 0 [pid 4461] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4460] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4464] <... mkdirat resumed>) = 0 [pid 4463] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4462] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4464] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4463] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4464] <... futex resumed>) = 1 [pid 4462] <... futex resumed>) = 1 [pid 4461] <... futex resumed>) = 0 [pid 4458] <... futex resumed>) = 0 [pid 4464] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4463] <... futex resumed>) = 1 [pid 4462] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4461] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4460] <... futex resumed>) = 0 [pid 4458] exit_group(0 [pid 4464] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4463] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4462] <... futex resumed>) = ? [pid 4461] <... futex resumed>) = 0 [pid 4460] exit_group(0 [pid 4458] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 4466 attached [pid 4464] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4463] <... futex resumed>) = ? [pid 4462] +++ exited with 0 +++ [pid 4461] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4460] <... exit_group resumed>) = ? [pid 4458] +++ exited with 0 +++ [pid 4464] <... symlinkat resumed>) = 0 [pid 4463] +++ exited with 0 +++ [pid 4460] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4458, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4464] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4460, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4464] <... futex resumed>) = 1 [pid 4461] <... futex resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4464] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4461] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4464] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4461] <... futex resumed>) = 0 [pid 4464] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4461] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4464] <... unlinkat resumed>) = 0 [pid 4464] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4461] <... futex resumed>) = 0 [pid 4464] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4461] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4464] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4461] <... futex resumed>) = 0 [pid 4464] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4461] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4466] set_robust_list(0x7f85c0c359a0, 24 [pid 4464] <... unlinkat resumed>) = 0 [pid 4464] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4461] <... futex resumed>) = 0 [pid 4464] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4461] exit_group(0) = ? [pid 4464] <... futex resumed>) = ? [pid 4466] <... set_robust_list resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 4467 attached [pid 4466] rt_sigprocmask(SIG_SETMASK, [] [pid 4464] +++ exited with 0 +++ [pid 4461] +++ exited with 0 +++ [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4461, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4467 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4467] set_robust_list(0x5555810c5760, 24 [pid 4466] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4466] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4467] <... set_robust_list resumed>) = 0 [pid 4466] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 304] <... restart_syscall resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4468 attached [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4468 [pid 312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4468] set_robust_list(0x5555810c5760, 24 [pid 4467] rt_sigprocmask(SIG_SETMASK, [] [pid 4466] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... restart_syscall resumed>) = 0 [pid 4467] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4468] <... set_robust_list resumed>) = 0 [pid 4466] <... futex resumed>) = 1 [pid 4465] <... futex resumed>) = 0 [pid 4466] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4465] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4465] <... futex resumed>) = 0 [pid 4465] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4466] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4467] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4466] mount(NULL, "./config", "configfs", 0, NULL [pid 4467] <... prctl resumed>) = 0 [pid 4466] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4468] rt_sigprocmask(SIG_SETMASK, [] [pid 4467] setpgid(0, 0 [pid 4466] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4469 ci2-android-5-15/strace-static-x86_64: Process 4469 attached [pid 4469] set_robust_list(0x5555810c5760, 24) = 0 [pid 4469] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4469] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4469] setpgid(0, 0 [pid 4466] <... futex resumed>) = 1 [pid 4465] <... futex resumed>) = 0 [pid 4465] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4470 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4466] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 4470 attached [pid 4469] <... setpgid resumed>) = 0 [pid 4465] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4466] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4465] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4466] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4465] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4466] <... futex resumed>) = 0 [pid 4465] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4466] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4465] <... futex resumed>) = 0 [pid 4466] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4465] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4466] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4465] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4466] <... futex resumed>) = 0 [pid 4465] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4466] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4465] <... futex resumed>) = 0 [pid 4465] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4469] write(3, "1000", 4) = 4 [pid 4469] close(3) = 0 [pid 4466] <... mkdirat resumed>) = 0 [pid 4469] write(1, "executing program\n", 18) = 18 [pid 4469] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 4469] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4467] <... setpgid resumed>) = 0 [pid 4466] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4468] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4466] <... futex resumed>) = 1 [pid 4465] <... futex resumed>) = 0 [pid 4466] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4465] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4466] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4465] <... futex resumed>) = 0 [pid 4466] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4465] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4470] set_robust_list(0x5555810c5760, 24) = 0 [pid 4470] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4470] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4470] setpgid(0, 0 [pid 4466] <... symlinkat resumed>) = 0 [pid 4470] <... setpgid resumed>) = 0 [pid 4467] <... openat resumed>) = 3 [pid 4466] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4466] <... futex resumed>) = 1 [pid 4469] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4468] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4467] write(3, "1000", 4 [pid 4465] <... futex resumed>) = 0 [pid 4466] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4465] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4466] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4465] <... futex resumed>) = 0 [pid 4467] <... write resumed>) = 4 [pid 4466] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4465] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4470] <... openat resumed>) = 3 [pid 4467] close(3 [pid 4466] <... unlinkat resumed>) = 0 [pid 4470] write(3, "1000", 4 [pid 4466] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4467] <... close resumed>) = 0 [pid 4466] <... futex resumed>) = 1 [pid 4465] <... futex resumed>) = 0 [pid 4466] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4467] write(1, "executing program\n", 18 [pid 4465] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4466] <... unlinkat resumed>) = 0 [pid 4467] <... write resumed>) = 18 [pid 4465] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} executing program [pid 4467] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4466] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4465] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4467] <... futex resumed>) = 0 [pid 4466] <... futex resumed>) = 0 [pid 4465] exit_group(0 [pid 4467] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4465] <... exit_group resumed>) = ? [pid 4469] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4468] <... prctl resumed>) = 0 [pid 4467] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4466] +++ exited with 0 +++ [pid 4465] +++ exited with 0 +++ [pid 4470] <... write resumed>) = 4 [pid 4467] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4465, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4470] close(3 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4467] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4469] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4469] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4469] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4469] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4470] <... close resumed>) = 0 [pid 4469] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4467] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4470] write(1, "executing program\n", 18 executing program [pid 4469] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4467] <... mmap resumed>) = 0x7f85c0c15000 [pid 4470] <... write resumed>) = 18 [pid 4470] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4469] <... clone3 resumed> => {parent_tid=[4471]}, 88) = 4471 ci2-android-5-15/strace-static-x86_64: Process 4471 attached [pid 4470] <... futex resumed>) = 0 [pid 4469] rt_sigprocmask(SIG_SETMASK, [] [pid 4468] setpgid(0, 0 [pid 4467] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4470] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4469] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4467] <... mprotect resumed>) = 0 [pid 4470] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4469] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4467] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4470] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4469] <... futex resumed>) = 0 [pid 4467] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4470] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4469] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4467] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4470] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4468] <... setpgid resumed>) = 0 [pid 4467] <... clone3 resumed> => {parent_tid=[4472]}, 88) = 4472 [pid 4470] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4467] rt_sigprocmask(SIG_SETMASK, [] [pid 4470] <... mprotect resumed>) = 0 [pid 4467] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4468] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4467] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4470] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4467] <... futex resumed>) = 0 [pid 4468] <... openat resumed>) = 3 [pid 4467] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4470] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4468] write(3, "1000", 4 [pid 4470] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0}ci2-android-5-15/strace-static-x86_64: Process 4473 attached [pid 4471] set_robust_list(0x7f85c0c359a0, 24 [pid 4468] <... write resumed>) = 4 [pid 4470] <... clone3 resumed> => {parent_tid=[4473]}, 88) = 4473 [pid 4470] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4471] <... set_robust_list resumed>) = 0 [pid 4468] close(3 [pid 4470] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4470] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4472 attached [pid 4472] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4472] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4468] <... close resumed>) = 0 [pid 4472] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 4468] write(1, "executing program\n", 18 [pid 4472] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4468] <... write resumed>) = 18 [pid 305] <... restart_syscall resumed>) = 0 [pid 4472] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4472] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4467] <... futex resumed>) = 0 [pid 4468] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4467] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4468] <... futex resumed>) = 0 [pid 4467] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4468] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4472] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4468] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4468] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4472] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 4472] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4467] <... futex resumed>) = 0 [pid 4468] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4467] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4474 [pid 4468] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4467] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4467] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4468] <... mmap resumed>) = 0x7f85c0c15000 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4468] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4472] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4468] <... mprotect resumed>) = 0 [pid 4472] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4468] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4472] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4468] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4472] <... futex resumed>) = 1 [pid 4468] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4467] <... futex resumed>) = 0 [pid 4472] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 4474 attached [pid 4467] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4468] <... clone3 resumed> => {parent_tid=[4475]}, 88) = 4475 [pid 4467] <... futex resumed>) = 1 [pid 4468] rt_sigprocmask(SIG_SETMASK, [] [pid 4467] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4468] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4471] rt_sigprocmask(SIG_SETMASK, [] [pid 4468] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4474] set_robust_list(0x5555810c5760, 24 [pid 4471] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4468] <... futex resumed>) = 0 [pid 4474] <... set_robust_list resumed>) = 0 [pid 4468] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4471] mkdirat(AT_FDCWD, "./config", 0777 [pid 4474] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4474] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4473] set_robust_list(0x7f85c0c359a0, 24 [pid 4472] <... futex resumed>) = 0 [pid 4471] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4474] <... prctl resumed>) = 0 [pid 4474] setpgid(0, 0) = 0 [pid 4474] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4473] <... set_robust_list resumed>) = 0 [pid 4472] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4471] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4475 attached [pid 4475] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4475] rt_sigprocmask(SIG_SETMASK, [] [pid 4472] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4471] <... futex resumed>) = 1 [pid 4469] <... futex resumed>) = 0 [pid 4474] <... openat resumed>) = 3 [pid 4469] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4469] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4475] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4475] mkdirat(AT_FDCWD, "./config", 0777 [pid 4474] write(3, "1000", 4 [pid 4473] rt_sigprocmask(SIG_SETMASK, [] [pid 4472] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4471] mount(NULL, "./config", "configfs", 0, NULL [pid 4474] <... write resumed>) = 4 [pid 4473] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4472] <... futex resumed>) = 1 [pid 4467] <... futex resumed>) = 0 [pid 4475] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4467] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4475] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4467] <... futex resumed>) = 0 [pid 4472] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4471] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4467] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4471] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4468] <... futex resumed>) = 0 [pid 4468] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4471] <... futex resumed>) = 1 [pid 4469] <... futex resumed>) = 0 [pid 4468] <... futex resumed>) = 0 [pid 4472] <... mkdirat resumed>) = 0 [pid 4471] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4469] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4468] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4472] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4471] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4469] <... futex resumed>) = 0 [pid 4472] <... futex resumed>) = 1 [pid 4471] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4469] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4467] <... futex resumed>) = 0 [pid 4472] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4471] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4467] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4472] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4471] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4467] <... futex resumed>) = 0 [pid 4472] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4471] <... futex resumed>) = 1 [pid 4469] <... futex resumed>) = 0 [pid 4467] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4471] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4469] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4472] <... symlinkat resumed>) = 0 [pid 4471] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4469] <... futex resumed>) = 0 [pid 4472] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4471] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4469] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4474] close(3 [pid 4473] mkdirat(AT_FDCWD, "./config", 0777 [pid 4472] <... futex resumed>) = 1 [pid 4471] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4467] <... futex resumed>) = 0 [pid 4472] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4471] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4467] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4475] <... futex resumed>) = 1 [pid 4474] <... close resumed>) = 0 [pid 4473] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4472] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4471] <... futex resumed>) = 1 [pid 4469] <... futex resumed>) = 0 [pid 4467] <... futex resumed>) = 0 [pid 4475] mount(NULL, "./config", "configfs", 0, NULL [pid 4474] write(1, "executing program\n", 18 [pid 4473] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4472] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4471] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4469] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 4467] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4475] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4474] <... write resumed>) = 18 [pid 4473] <... futex resumed>) = 1 [pid 4472] <... unlinkat resumed>) = 0 [pid 4471] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4470] <... futex resumed>) = 0 [pid 4469] <... futex resumed>) = 0 [pid 4475] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4473] mount(NULL, "./config", "configfs", 0, NULL [pid 4472] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4474] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4471] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4470] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4469] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4475] <... futex resumed>) = 1 [pid 4474] <... futex resumed>) = 0 [pid 4473] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4472] <... futex resumed>) = 1 [pid 4471] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4470] <... futex resumed>) = 0 [pid 4468] <... futex resumed>) = 0 [pid 4467] <... futex resumed>) = 0 [pid 4475] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4474] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4473] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4472] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4471] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4470] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4468] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4467] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4475] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4474] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4473] <... futex resumed>) = 0 [pid 4472] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4471] <... futex resumed>) = 1 [pid 4470] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4469] <... futex resumed>) = 0 [pid 4468] <... futex resumed>) = 0 [pid 4467] <... futex resumed>) = 0 [pid 4475] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4474] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4473] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4472] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4471] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4470] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4469] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4468] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4467] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4475] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4474] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4473] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4472] <... unlinkat resumed>) = 0 [pid 4471] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4470] <... futex resumed>) = 0 [pid 4469] <... futex resumed>) = 0 [pid 4475] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4474] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4473] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4472] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4471] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4470] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4469] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4475] <... futex resumed>) = 1 [pid 4474] <... mmap resumed>) = 0x7f85c0c15000 [pid 4473] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4472] <... futex resumed>) = 1 [pid 4471] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4468] <... futex resumed>) = 0 [pid 4467] <... futex resumed>) = 0 [pid 4475] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4474] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4473] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4472] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4471] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4468] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4467] exit_group(0 [pid 4475] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4474] <... mprotect resumed>) = 0 [pid 4473] <... futex resumed>) = 1 [pid 4471] <... futex resumed>) = 1 [pid 4470] <... futex resumed>) = 0 [pid 4469] <... futex resumed>) = 0 [pid 4468] <... futex resumed>) = 0 [pid 4467] <... exit_group resumed>) = ? [pid 4472] <... futex resumed>) = ? [pid 4475] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4474] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4473] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4471] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4470] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4469] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4468] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4475] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4470] <... futex resumed>) = 0 [pid 4469] <... futex resumed>) = 0 [pid 4475] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4470] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4469] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4471] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4475] <... futex resumed>) = 1 [pid 4468] <... futex resumed>) = 0 [pid 4475] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4472] +++ exited with 0 +++ [pid 4471] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4468] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4467] +++ exited with 0 +++ [pid 4473] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4475] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4474] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4473] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4471] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4468] <... futex resumed>) = 0 [pid 4475] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4474] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4473] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4471] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4468] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4467, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4475] <... mkdirat resumed>) = 0 [pid 4473] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4471] <... futex resumed>) = 1 [pid 4469] <... futex resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4475] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4474] <... clone3 resumed> => {parent_tid=[4476]}, 88) = 4476 [pid 4473] <... futex resumed>) = 1 [pid 4471] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4470] <... futex resumed>) = 0 [pid 4469] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4475] <... futex resumed>) = 1 [pid 4474] rt_sigprocmask(SIG_SETMASK, [] [pid 4473] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4471] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4470] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4469] <... futex resumed>) = 0 [pid 4468] <... futex resumed>) = 0 [pid 4475] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4474] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4473] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4471] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4470] <... futex resumed>) = 0 [pid 4469] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4468] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4475] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4474] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4473] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4471] <... unlinkat resumed>) = 0 [pid 4470] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4468] <... futex resumed>) = 0 [pid 4475] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4474] <... futex resumed>) = 0 [pid 4468] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4475] <... symlinkat resumed>) = 0 [pid 4474] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4473] <... mkdirat resumed>) = 0 [pid 4471] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4475] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4473] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4475] <... futex resumed>) = 1 [pid 4471] <... futex resumed>) = 1 [pid 4469] <... futex resumed>) = 0 [pid 4473] <... futex resumed>) = 1 [pid 4468] <... futex resumed>) = 0 [pid 4470] <... futex resumed>) = 0 [pid 4475] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4473] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4471] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4470] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4469] exit_group(0 [pid 4468] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4475] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4473] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4471] <... futex resumed>) = ? [pid 4470] <... futex resumed>) = 0 [pid 4469] <... exit_group resumed>) = ? [pid 4468] <... futex resumed>) = 0 [pid 4475] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4473] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4471] +++ exited with 0 +++ [pid 4470] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4469] +++ exited with 0 +++ [pid 4468] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... restart_syscall resumed>) = 0 [pid 4475] <... unlinkat resumed>) = 0 [pid 4473] <... symlinkat resumed>) = 0 [pid 4475] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4473] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4475] <... futex resumed>) = 1 [pid 4468] <... futex resumed>) = 0 [pid 4473] <... futex resumed>) = 1 [pid 4470] <... futex resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4469, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4475] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4473] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4470] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4468] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 4476 attached [pid 4475] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4473] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4470] <... futex resumed>) = 0 [pid 4468] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4475] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4473] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4470] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4468] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4475] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 4473] <... unlinkat resumed>) = 0 [pid 4475] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4468] <... futex resumed>) = 0 [pid 4475] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4468] exit_group(0 [pid 4475] <... futex resumed>) = ? [pid 4468] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 4477 attached [pid 4475] +++ exited with 0 +++ [pid 4473] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4468] +++ exited with 0 +++ [pid 4473] <... futex resumed>) = 1 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4468, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4470] <... futex resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4477 [pid 4473] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4470] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4473] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4470] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4473] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4470] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4476] set_robust_list(0x7f85c0c359a0, 24 [pid 4473] <... unlinkat resumed>) = 0 [pid 4473] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4476] <... set_robust_list resumed>) = 0 [pid 4473] <... futex resumed>) = 1 [pid 4470] <... futex resumed>) = 0 [pid 4473] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4470] exit_group(0 [pid 4476] rt_sigprocmask(SIG_SETMASK, [] [pid 4473] <... futex resumed>) = ? [pid 4470] <... exit_group resumed>) = ? [pid 4476] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4473] +++ exited with 0 +++ [pid 4476] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4476] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4474] <... futex resumed>) = 0 [pid 4476] mount(NULL, "./config", "configfs", 0, NULL [pid 4474] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4476] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4474] <... futex resumed>) = 0 [pid 4470] +++ exited with 0 +++ [pid 4476] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4474] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4476] <... futex resumed>) = 0 [pid 4474] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4476] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4474] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4470, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4477] set_robust_list(0x5555810c5760, 24 [pid 4476] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4474] <... futex resumed>) = 0 [pid 4476] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4474] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] <... restart_syscall resumed>) = 0 [pid 4476] <... futex resumed>) = 0 [pid 4474] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] <... restart_syscall resumed>) = 0 [pid 4476] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4474] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4476] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4474] <... futex resumed>) = 0 [pid 4476] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4474] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4476] <... futex resumed>) = 0 [pid 4474] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4476] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4474] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4477] <... set_robust_list resumed>) = 0 [pid 4476] <... mkdirat resumed>) = 0 [pid 4474] <... futex resumed>) = 0 [pid 4476] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4474] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4476] <... futex resumed>) = 0 [pid 4474] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4476] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4474] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4476] <... symlinkat resumed>) = 0 [pid 4474] <... futex resumed>) = 0 [pid 4476] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4474] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4476] <... futex resumed>) = 0 [pid 4474] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4478 [pid 4476] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4474] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4476] <... unlinkat resumed>) = 0 [pid 4474] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4479 ci2-android-5-15/strace-static-x86_64: Process 4478 attached [pid 4477] rt_sigprocmask(SIG_SETMASK, [] [pid 4476] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4474] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4476] <... futex resumed>) = 0 [pid 4474] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4476] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4474] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 4479 attached [pid 4476] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4474] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4478] set_robust_list(0x5555810c5760, 24 [pid 4477] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4476] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4474] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4477] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4476] <... unlinkat resumed>) = 0 [pid 4476] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4477] <... prctl resumed>) = 0 [pid 4476] <... futex resumed>) = 1 [pid 4474] <... futex resumed>) = 0 [pid 4476] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4474] exit_group(0 [pid 4478] <... set_robust_list resumed>) = 0 [pid 4477] setpgid(0, 0 [pid 4474] <... exit_group resumed>) = ? [pid 4478] rt_sigprocmask(SIG_SETMASK, [] [pid 4477] <... setpgid resumed>) = 0 [pid 4476] <... futex resumed>) = ? [pid 4479] set_robust_list(0x5555810c5760, 24) = 0 [pid 4479] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4479] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4479] setpgid(0, 0 [pid 4476] +++ exited with 0 +++ [pid 4474] +++ exited with 0 +++ [pid 4479] <... setpgid resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4474, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4477] <... openat resumed>) = 3 [pid 312] <... restart_syscall resumed>) = 0 [pid 4478] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4477] write(3, "1000", 4 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4478] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4477] <... write resumed>) = 4 ci2-android-5-15/strace-static-x86_64: Process 4480 attached [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4480 [pid 312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4480] set_robust_list(0x5555810c5760, 24 [pid 4479] <... openat resumed>) = 3 [pid 4478] <... prctl resumed>) = 0 [pid 4477] close(3 [pid 4479] write(3, "1000", 4) = 4 [pid 4479] close(3) = 0 [pid 4479] write(1, "executing program\n", 18) = 18 executing program [pid 4479] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4479] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4480] <... set_robust_list resumed>) = 0 [pid 4479] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4478] setpgid(0, 0 [pid 4477] <... close resumed>) = 0 [pid 4479] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4479] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4479] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4478] <... setpgid resumed>) = 0 [pid 4477] write(1, "executing program\n", 18 [pid 4479] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4478] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4477] <... write resumed>) = 18 [pid 4479] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4477] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4479] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} executing program [pid 4477] <... futex resumed>) = 0 [pid 4478] <... openat resumed>) = 3 [pid 4477] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4478] write(3, "1000", 4 [pid 4477] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4479] <... clone3 resumed> => {parent_tid=[4481]}, 88) = 4481 [pid 4478] <... write resumed>) = 4 [pid 4477] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4478] close(3 [pid 4477] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4479] rt_sigprocmask(SIG_SETMASK, [] [pid 4477] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4478] <... close resumed>) = 0 [pid 4477] <... mmap resumed>) = 0x7f85c0c15000 [pid 4479] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4478] write(1, "executing program\n", 18 [pid 4477] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE executing program [pid 4479] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4477] <... mprotect resumed>) = 0 [pid 4478] <... write resumed>) = 18 [pid 4477] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4479] <... futex resumed>) = 0 [pid 4477] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4478] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4477] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4479] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4478] <... futex resumed>) = 0 [pid 4477] <... clone3 resumed> => {parent_tid=[4482]}, 88) = 4482 [pid 4477] rt_sigprocmask(SIG_SETMASK, [] [pid 4478] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4477] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4482 attached [pid 4478] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4477] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4482] set_robust_list(0x7f85c0c359a0, 24 [pid 4478] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4477] <... futex resumed>) = 0 [pid 4482] <... set_robust_list resumed>) = 0 [pid 4478] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4477] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4478] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4482] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4482] mkdirat(AT_FDCWD, "./config", 0777 [pid 4478] <... mmap resumed>) = 0x7f85c0c15000 [pid 4480] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 4481 attached [pid 4481] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4481] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4481] mkdirat(AT_FDCWD, "./config", 0777 [pid 4478] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4480] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4482] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4478] <... mprotect resumed>) = 0 [pid 4481] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 305] <... restart_syscall resumed>) = 0 [pid 4478] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4480] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4478] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4481] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4479] <... futex resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4479] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4479] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4481] <... futex resumed>) = 1 [pid 4481] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 4481] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4478] <... clone3 resumed> => {parent_tid=[4483]}, 88) = 4483 [pid 4478] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4484 [pid 4478] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4479] <... futex resumed>) = 0 [pid 4479] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4478] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4479] <... futex resumed>) = 0 [pid 4478] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4479] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4482] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4478] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4480] <... prctl resumed>) = 0 [pid 4481] <... futex resumed>) = 1 [pid 4482] <... futex resumed>) = 1 [pid 4477] <... futex resumed>) = 0 [pid 4480] setpgid(0, 0 [pid 4482] mount(NULL, "./config", "configfs", 0, NULL [pid 4477] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4480] <... setpgid resumed>) = 0 [pid 4477] <... futex resumed>) = 0 [pid 4477] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4481] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4480] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4482] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4481] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4479] <... futex resumed>) = 0 [pid 4479] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4479] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4481] <... futex resumed>) = 1 [pid 4481] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4482] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4480] <... openat resumed>) = 3 ci2-android-5-15/strace-static-x86_64: Process 4484 attached [pid 4481] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4481] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4484] set_robust_list(0x5555810c5760, 24 [pid 4482] <... futex resumed>) = 1 [pid 4480] write(3, "1000", 4 [pid 4479] <... futex resumed>) = 0 [pid 4477] <... futex resumed>) = 0 [pid 4479] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4482] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4480] <... write resumed>) = 4 [pid 4479] <... futex resumed>) = 0 [pid 4477] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4479] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4477] <... futex resumed>) = 0 [pid 4482] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4480] close(3 [pid 4477] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4484] <... set_robust_list resumed>) = 0 [pid 4482] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4481] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4480] <... close resumed>) = 0 [pid 4477] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ci2-android-5-15/strace-static-x86_64: Process 4483 attached [pid 4482] <... futex resumed>) = 0 [pid 4480] write(1, "executing program\n", 18 [pid 4477] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4483] set_robust_list(0x7f85c0c359a0, 24 [pid 4482] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4480] <... write resumed>) = 18 [pid 4477] <... futex resumed>) = 0 [pid 4481] <... mkdirat resumed>) = 0 [pid 4477] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4482] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4480] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4483] <... set_robust_list resumed>) = 0 executing program [pid 4484] rt_sigprocmask(SIG_SETMASK, [] [pid 4482] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4480] <... futex resumed>) = 0 [pid 4477] <... futex resumed>) = 0 [pid 4482] <... futex resumed>) = 1 [pid 4480] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4484] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4482] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4481] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4477] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4482] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4480] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4477] <... futex resumed>) = 0 [pid 4484] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4482] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4481] <... futex resumed>) = 1 [pid 4480] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4479] <... futex resumed>) = 0 [pid 4477] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4484] <... prctl resumed>) = 0 [pid 4482] <... futex resumed>) = 0 [pid 4481] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4480] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4479] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4477] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4484] setpgid(0, 0 [pid 4482] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4481] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4480] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4479] <... futex resumed>) = 0 [pid 4477] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4484] <... setpgid resumed>) = 0 [pid 4482] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4481] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4480] <... mmap resumed>) = 0x7f85c0c15000 [pid 4479] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4477] <... futex resumed>) = 0 [pid 4484] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4483] rt_sigprocmask(SIG_SETMASK, [] [pid 4482] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4480] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4477] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4481] <... symlinkat resumed>) = 0 [pid 4483] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4482] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4480] <... mprotect resumed>) = 0 [pid 4481] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4484] <... openat resumed>) = 3 [pid 4482] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4484] write(3, "1000", 4 [pid 4483] mkdirat(AT_FDCWD, "./config", 0777 [pid 4482] <... futex resumed>) = 1 [pid 4481] <... futex resumed>) = 1 [pid 4480] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4479] <... futex resumed>) = 0 [pid 4477] <... futex resumed>) = 0 [pid 4484] <... write resumed>) = 4 [pid 4483] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4482] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4481] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4480] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4479] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4477] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4484] close(3 [pid 4483] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4482] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4481] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4480] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4479] <... futex resumed>) = 0 [pid 4477] <... futex resumed>) = 0 [pid 4484] <... close resumed>) = 0 [pid 4483] <... futex resumed>) = 1 [pid 4482] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4481] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4479] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4478] <... futex resumed>) = 0 [pid 4477] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4484] write(1, "executing program\n", 18 [pid 4483] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4482] <... unlinkat resumed>) = 0 [pid 4481] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4480] <... clone3 resumed> => {parent_tid=[4485]}, 88) = 4485 executing program [pid 4478] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4484] <... write resumed>) = 18 [pid 4483] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4482] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4481] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4480] rt_sigprocmask(SIG_SETMASK, [] [pid 4478] <... futex resumed>) = 0 [pid 4484] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4483] mount(NULL, "./config", "configfs", 0, NULL [pid 4482] <... futex resumed>) = 1 [pid 4481] <... futex resumed>) = 1 [pid 4480] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4479] <... futex resumed>) = 0 [pid 4478] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4477] <... futex resumed>) = 0 [pid 4484] <... futex resumed>) = 0 [pid 4483] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4482] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4481] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4480] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4479] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4477] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4485 attached [pid 4484] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4483] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4482] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4481] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4480] <... futex resumed>) = 0 [pid 4479] <... futex resumed>) = 0 [pid 4477] <... futex resumed>) = 0 [pid 4484] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4483] <... futex resumed>) = 1 [pid 4482] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4481] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4480] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4479] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4478] <... futex resumed>) = 0 [pid 4477] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4484] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4483] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4482] <... unlinkat resumed>) = 0 [pid 4481] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4478] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4484] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4483] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4482] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4481] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4478] <... futex resumed>) = 0 [pid 4484] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4483] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4482] <... futex resumed>) = 1 [pid 4481] <... futex resumed>) = 1 [pid 4479] <... futex resumed>) = 0 [pid 4478] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4477] <... futex resumed>) = 0 [pid 4484] <... mmap resumed>) = 0x7f85c0c15000 [pid 4483] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4482] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4481] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4479] exit_group(0 [pid 4477] exit_group(0 [pid 4484] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4483] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4481] <... futex resumed>) = ? [pid 4479] <... exit_group resumed>) = ? [pid 4484] <... mprotect resumed>) = 0 [pid 4483] <... futex resumed>) = 1 [pid 4482] <... futex resumed>) = ? [pid 4481] +++ exited with 0 +++ [pid 4479] +++ exited with 0 +++ [pid 4478] <... futex resumed>) = 0 [pid 4477] <... exit_group resumed>) = ? [pid 4484] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4483] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4482] +++ exited with 0 +++ [pid 4478] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4483] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4478] <... futex resumed>) = 0 [pid 4483] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4478] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4483] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4483] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4478] <... futex resumed>) = 0 [pid 4483] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4478] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4477] +++ exited with 0 +++ [pid 4483] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4478] <... futex resumed>) = 0 [pid 4484] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4483] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4478] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4477, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4479, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4484] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4483] <... mkdirat resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4483] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4478] <... futex resumed>) = 0 [pid 4484] <... clone3 resumed> => {parent_tid=[4486]}, 88) = 4486 [pid 4483] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4478] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4484] rt_sigprocmask(SIG_SETMASK, [] [pid 4483] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4478] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 4486 attached [pid 4485] set_robust_list(0x7f85c0c359a0, 24 [pid 4484] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4483] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4478] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4486] set_robust_list(0x7f85c0c359a0, 24 [pid 4485] <... set_robust_list resumed>) = 0 [pid 4484] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4483] <... symlinkat resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4485] rt_sigprocmask(SIG_SETMASK, [] [pid 4484] <... futex resumed>) = 0 [pid 4483] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4485] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4483] <... futex resumed>) = 1 [pid 4478] <... futex resumed>) = 0 [pid 4485] mkdirat(AT_FDCWD, "./config", 0777 [pid 4484] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4483] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4478] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4485] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4483] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4478] <... futex resumed>) = 0 [pid 4485] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4483] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4478] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4487 [pid 4486] <... set_robust_list resumed>) = 0 [pid 4485] <... futex resumed>) = 1 [pid 4483] <... unlinkat resumed>) = 0 [pid 4480] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4487 attached [pid 4485] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4483] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4480] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4485] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4483] <... futex resumed>) = 1 [pid 4480] <... futex resumed>) = 0 [pid 4478] <... futex resumed>) = 0 [pid 4485] mount(NULL, "./config", "configfs", 0, NULL [pid 4483] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4480] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4478] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4486] rt_sigprocmask(SIG_SETMASK, [] [pid 4485] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4483] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4478] <... futex resumed>) = 0 [pid 4485] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4483] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4478] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4486] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4485] <... futex resumed>) = 1 [pid 4483] <... unlinkat resumed>) = 0 [pid 4480] <... futex resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 4487] set_robust_list(0x5555810c5760, 24 [pid 4485] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4483] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4480] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4485] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4483] <... futex resumed>) = 1 [pid 4480] <... futex resumed>) = 0 [pid 4478] <... futex resumed>) = 0 [pid 4485] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4483] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4480] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4478] exit_group(0 [pid 4485] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4483] <... futex resumed>) = ? [pid 4478] <... exit_group resumed>) = ? [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4486] mkdirat(AT_FDCWD, "./config", 0777 [pid 4485] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4483] +++ exited with 0 +++ [pid 4478] +++ exited with 0 +++ [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4485] <... futex resumed>) = 1 [pid 4480] <... futex resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4485] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4480] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4478, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4485] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4487] <... set_robust_list resumed>) = 0 [pid 4485] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777ci2-android-5-15/strace-static-x86_64: Process 4488 attached [pid 4487] rt_sigprocmask(SIG_SETMASK, [] [pid 4486] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4485] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4480] <... futex resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4487] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4485] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4480] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4488 [pid 4487] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4485] <... futex resumed>) = 0 [pid 4480] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4487] <... prctl resumed>) = 0 [pid 4485] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4480] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4487] setpgid(0, 0 [pid 4485] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4480] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4486] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4487] <... setpgid resumed>) = 0 [pid 4485] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4480] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4488] set_robust_list(0x5555810c5760, 24 [pid 4487] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4486] <... futex resumed>) = 1 [pid 4485] <... mkdirat resumed>) = 0 [pid 4484] <... futex resumed>) = 0 [pid 4488] <... set_robust_list resumed>) = 0 [pid 4487] <... openat resumed>) = 3 [pid 4486] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4485] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4484] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4487] write(3, "1000", 4 [pid 4486] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4485] <... futex resumed>) = 1 [pid 4484] <... futex resumed>) = 0 [pid 4480] <... futex resumed>) = 0 [pid 4487] <... write resumed>) = 4 [pid 4486] mount(NULL, "./config", "configfs", 0, NULL [pid 4485] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4484] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4480] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4487] close(3 [pid 4485] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4480] <... futex resumed>) = 0 [pid 4487] <... close resumed>) = 0 [pid 4486] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4485] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4480] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4488] rt_sigprocmask(SIG_SETMASK, [] [pid 4487] write(1, "executing program\n", 18 [pid 4486] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4485] <... symlinkat resumed>) = 0 [pid 4487] <... write resumed>) = 18 executing program [pid 4485] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4487] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4486] <... futex resumed>) = 1 [pid 4485] <... futex resumed>) = 1 [pid 4484] <... futex resumed>) = 0 [pid 4480] <... futex resumed>) = 0 [pid 4487] <... futex resumed>) = 0 [pid 4486] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4485] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4484] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4480] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... restart_syscall resumed>) = 0 [pid 4487] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4486] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4485] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4484] <... futex resumed>) = 0 [pid 4480] <... futex resumed>) = 0 [pid 4487] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4486] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4485] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4484] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4480] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4488] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4487] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4486] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4485] <... unlinkat resumed>) = 0 [pid 4487] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4486] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4485] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4488] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4487] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4486] <... futex resumed>) = 1 [pid 4485] <... futex resumed>) = 1 [pid 4484] <... futex resumed>) = 0 [pid 4480] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4488] <... prctl resumed>) = 0 [pid 4487] <... mmap resumed>) = 0x7f85c0c15000 [pid 4486] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4485] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4484] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4480] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4488] setpgid(0, 0 [pid 4487] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4486] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4485] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4484] <... futex resumed>) = 0 [pid 4480] <... futex resumed>) = 0 [pid 4487] <... mprotect resumed>) = 0 [pid 4485] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4488] <... setpgid resumed>) = 0 [pid 4487] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4486] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4485] <... unlinkat resumed>) = 0 [pid 4484] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4480] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4488] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4487] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4486] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4485] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4480] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4489 ci2-android-5-15/strace-static-x86_64: Process 4489 attached [pid 4488] <... openat resumed>) = 3 [pid 4487] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4486] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4485] <... futex resumed>) = 0 [pid 4480] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 4490 attached [pid 4488] write(3, "1000", 4 [pid 4486] <... futex resumed>) = 1 [pid 4484] <... futex resumed>) = 0 [pid 4480] <... exit_group resumed>) = ? [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4488] <... write resumed>) = 4 [pid 4487] <... clone3 resumed> => {parent_tid=[4490]}, 88) = 4490 [pid 4486] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4485] +++ exited with 0 +++ [pid 4484] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4487] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4487] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4487] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4480] +++ exited with 0 +++ [pid 4488] close(3 [pid 4486] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4484] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4480, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4488] <... close resumed>) = 0 [pid 4486] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4484] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4488] write(1, "executing program\n", 18 [pid 4489] set_robust_list(0x5555810c5760, 24 [pid 4486] <... mkdirat resumed>) = 0 [pid 4488] <... write resumed>) = 18 [pid 4486] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4489] <... set_robust_list resumed>) = 0 [pid 4486] <... futex resumed>) = 1 [pid 4484] <... futex resumed>) = 0 [pid 4488] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4486] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL executing program [pid 4484] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4488] <... futex resumed>) = 0 [pid 4486] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4484] <... futex resumed>) = 0 [pid 4488] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4486] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4484] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4489] rt_sigprocmask(SIG_SETMASK, [] [pid 4488] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4486] <... symlinkat resumed>) = 0 [pid 4488] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4486] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4488] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4486] <... futex resumed>) = 1 [pid 4484] <... futex resumed>) = 0 [pid 4488] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4486] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4484] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4488] <... mmap resumed>) = 0x7f85c0c15000 [pid 4486] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4488] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4486] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4484] <... futex resumed>) = 0 [pid 4488] <... mprotect resumed>) = 0 [pid 4486] <... unlinkat resumed>) = 0 [pid 4484] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4486] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4488] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4484] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4486] <... futex resumed>) = 0 [pid 4488] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4484] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4486] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4488] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4484] <... futex resumed>) = 0 [pid 4489] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4489] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4486] <... unlinkat resumed>) = 0 [pid 4484] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4486] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4484] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4488] <... clone3 resumed> => {parent_tid=[4491]}, 88) = 4491 [pid 4486] <... futex resumed>) = 0 [pid 4484] exit_group(0 [pid 4488] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4484] <... exit_group resumed>) = ? [pid 4486] +++ exited with 0 +++ [pid 4489] <... prctl resumed>) = 0 [pid 4489] setpgid(0, 0) = 0 [pid 4489] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4489] write(3, "1000", 4 [pid 4484] +++ exited with 0 +++ [pid 4489] <... write resumed>) = 4 [pid 4489] close(3 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4484, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4488] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4488] <... futex resumed>) = 0 [pid 4489] <... close resumed>) = 0 [pid 4488] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4489] write(1, "executing program\n", 18 [pid 4490] set_robust_list(0x7f85c0c359a0, 24 [pid 4489] <... write resumed>) = 18 [pid 4489] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 4489] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4489] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4489] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4489] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4489] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4489] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0}ci2-android-5-15/strace-static-x86_64: Process 4492 attached [pid 4490] <... set_robust_list resumed>) = 0 [pid 4489] <... clone3 resumed> => {parent_tid=[4492]}, 88) = 4492 [pid 4489] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4489] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4489] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4490] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 4491 attached [pid 4491] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4491] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4491] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4491] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4488] <... futex resumed>) = 0 [pid 4490] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4488] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4491] mount(NULL, "./config", "configfs", 0, NULL [pid 4488] <... futex resumed>) = 0 [pid 4490] mkdirat(AT_FDCWD, "./config", 0777 [pid 4488] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4491] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4490] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4491] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4488] <... futex resumed>) = 0 [pid 4490] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4488] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4490] <... futex resumed>) = 1 [pid 4488] <... futex resumed>) = 0 [pid 4487] <... futex resumed>) = 0 [pid 4490] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4488] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4487] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4490] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4487] <... futex resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 4492] set_robust_list(0x7f85c0c359a0, 24 [pid 4490] mount(NULL, "./config", "configfs", 0, NULL [pid 4487] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4491] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4490] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4491] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4490] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4491] <... futex resumed>) = 1 [pid 4491] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4492] <... set_robust_list resumed>) = 0 [pid 4490] <... futex resumed>) = 1 [pid 4488] <... futex resumed>) = 0 [pid 4487] <... futex resumed>) = 0 [pid 4490] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4488] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4487] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4493 [pid 4490] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4488] <... futex resumed>) = 1 [pid 4487] <... futex resumed>) = 0 [pid 4490] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4488] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4487] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4490] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4491] <... futex resumed>) = 0 [pid 4490] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4491] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4490] <... futex resumed>) = 1 [pid 4487] <... futex resumed>) = 0 [pid 4491] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4490] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4487] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4491] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4487] <... futex resumed>) = 0 [pid 4490] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4487] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4490] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4487] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4490] <... futex resumed>) = 0 [pid 4487] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4490] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4487] <... futex resumed>) = 0 [pid 4491] <... futex resumed>) = 1 [pid 4490] <... mkdirat resumed>) = 0 [pid 4488] <... futex resumed>) = 0 [pid 4487] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... restart_syscall resumed>) = 0 [pid 4491] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4490] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4488] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4487] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4492] rt_sigprocmask(SIG_SETMASK, [] [pid 4491] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4490] <... futex resumed>) = 0 [pid 4488] <... futex resumed>) = 0 [pid 4487] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4491] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4488] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4490] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4487] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4492] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4491] <... futex resumed>) = 0 [pid 4490] <... symlinkat resumed>) = 0 [pid 4488] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4487] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4493 attached [pid 4492] mkdirat(AT_FDCWD, "./config", 0777 [pid 4491] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4490] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4488] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4487] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4493] set_robust_list(0x5555810c5760, 24 [pid 4492] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4491] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4490] <... futex resumed>) = 0 [pid 4488] <... futex resumed>) = 0 [pid 4487] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4493] <... set_robust_list resumed>) = 0 [pid 4491] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4494 ci2-android-5-15/strace-static-x86_64: Process 4494 attached [pid 4493] rt_sigprocmask(SIG_SETMASK, [] [pid 4492] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4491] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4490] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4488] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4487] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4493] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4492] <... futex resumed>) = 1 [pid 4491] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4490] <... unlinkat resumed>) = 0 [pid 4489] <... futex resumed>) = 0 [pid 4488] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4487] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4493] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4492] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4491] <... futex resumed>) = 0 [pid 4490] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4489] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4488] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4487] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4493] <... prctl resumed>) = 0 [pid 4492] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4491] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4490] <... futex resumed>) = 0 [pid 4489] <... futex resumed>) = 0 [pid 4488] <... futex resumed>) = 0 [pid 4487] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4493] setpgid(0, 0 [pid 4492] mount(NULL, "./config", "configfs", 0, NULL [pid 4491] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4490] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4489] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4488] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4487] <... futex resumed>) = 0 [pid 4493] <... setpgid resumed>) = 0 [pid 4491] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4490] <... unlinkat resumed>) = 0 [pid 4488] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4487] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4493] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4492] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4491] <... futex resumed>) = 0 [pid 4490] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4494] set_robust_list(0x5555810c5760, 24 [pid 4488] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4487] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4493] <... openat resumed>) = 3 [pid 4492] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4491] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4490] <... futex resumed>) = 0 [pid 4488] <... futex resumed>) = 0 [pid 4493] write(3, "1000", 4 [pid 4492] <... futex resumed>) = 1 [pid 4491] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4490] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4489] <... futex resumed>) = 0 [pid 4488] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4487] exit_group(0 [pid 4494] <... set_robust_list resumed>) = 0 [pid 4493] <... write resumed>) = 4 [pid 4492] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4491] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4489] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4488] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4487] <... exit_group resumed>) = ? [pid 4490] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 4493] close(3 [pid 4492] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4491] <... futex resumed>) = 0 [pid 4489] <... futex resumed>) = 0 [pid 4488] exit_group(0 [pid 4493] <... close resumed>) = 0 [pid 4491] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4489] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4493] write(1, "executing program\n", 18) = 18 [pid 4493] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4493] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4493] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4490] +++ exited with 0 +++ [pid 4487] +++ exited with 0 +++ [pid 4493] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4491] <... futex resumed>) = ? executing program [pid 4488] <... exit_group resumed>) = ? [pid 4493] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4492] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4491] +++ exited with 0 +++ [pid 4493] <... mmap resumed>) = 0x7f85c0c15000 [pid 4493] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4493] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4493] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4488] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4487, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4493] <... clone3 resumed> => {parent_tid=[4495]}, 88) = 4495 [pid 4492] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4493] rt_sigprocmask(SIG_SETMASK, [] [pid 4492] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4488, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4493] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4492] <... futex resumed>) = 1 [pid 4489] <... futex resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4493] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4492] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4489] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4493] <... futex resumed>) = 0 [pid 4492] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4489] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4495 attached [pid 4493] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4492] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4489] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4495] set_robust_list(0x7f85c0c359a0, 24 [pid 4494] rt_sigprocmask(SIG_SETMASK, [] [pid 4492] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4495] <... set_robust_list resumed>) = 0 [pid 4494] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4492] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4495] rt_sigprocmask(SIG_SETMASK, [] [pid 4492] <... futex resumed>) = 1 [pid 4489] <... futex resumed>) = 0 [pid 4494] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4492] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4489] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4494] <... prctl resumed>) = 0 [pid 4492] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4489] <... futex resumed>) = 0 [pid 4494] setpgid(0, 0 [pid 4492] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4489] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4495] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4492] <... mkdirat resumed>) = 0 [pid 4494] <... setpgid resumed>) = 0 [pid 4492] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4489] <... futex resumed>) = 0 [pid 4492] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4489] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4492] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4489] <... futex resumed>) = 0 [pid 4492] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4489] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4492] <... symlinkat resumed>) = 0 [pid 4492] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4494] <... openat resumed>) = 3 [pid 4492] <... futex resumed>) = 1 [pid 4489] <... futex resumed>) = 0 [pid 4494] write(3, "1000", 4 [pid 4492] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4489] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4492] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4494] <... write resumed>) = 4 [pid 4489] <... futex resumed>) = 0 [pid 4492] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4489] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4495] mkdirat(AT_FDCWD, "./config", 0777 [pid 4494] close(3 [pid 4492] <... unlinkat resumed>) = 0 [pid 4495] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4494] <... close resumed>) = 0 [pid 4492] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4495] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4494] write(1, "executing program\n", 18 [pid 4492] <... futex resumed>) = 1 [pid 4489] <... futex resumed>) = 0 [pid 4494] <... write resumed>) = 18 executing program [pid 4492] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4489] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4492] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4489] <... futex resumed>) = 0 [pid 4494] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4492] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4489] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4494] <... futex resumed>) = 0 [pid 4493] <... futex resumed>) = 0 [pid 4494] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4493] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4492] <... unlinkat resumed>) = 0 [pid 4493] <... futex resumed>) = 0 [pid 4494] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4493] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4492] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4495] <... futex resumed>) = 1 [pid 4494] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4492] <... futex resumed>) = 1 [pid 4489] <... futex resumed>) = 0 [pid 4494] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4492] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4489] exit_group(0 [pid 4494] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4492] <... futex resumed>) = ? [pid 4489] <... exit_group resumed>) = ? [pid 4494] <... mmap resumed>) = 0x7f85c0c15000 [pid 4492] +++ exited with 0 +++ [pid 4489] +++ exited with 0 +++ [pid 304] <... restart_syscall resumed>) = 0 [pid 4494] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4489, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4495] mount(NULL, "./config", "configfs", 0, NULL [pid 4494] <... mprotect resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4494] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4494] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4495] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4495] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4493] <... futex resumed>) = 0 [pid 4495] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4493] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4495] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4493] <... futex resumed>) = 0 [pid 4495] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4493] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4495] <... futex resumed>) = 0 [pid 4493] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4494] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4496 [pid 4495] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4493] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4497 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4495] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4493] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4495] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4494] <... clone3 resumed> => {parent_tid=[4498]}, 88) = 4498 [pid 4493] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4495] <... futex resumed>) = 0 [pid 4494] rt_sigprocmask(SIG_SETMASK, [] [pid 4493] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4495] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4494] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4493] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4497 attached ci2-android-5-15/strace-static-x86_64: Process 4496 attached [pid 4495] <... mkdirat resumed>) = 0 [pid 4494] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4493] <... futex resumed>) = 0 [pid 4495] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4494] <... futex resumed>) = 0 [pid 4493] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4495] <... futex resumed>) = 0 [pid 4494] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4493] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4495] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4493] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... restart_syscall resumed>) = 0 [pid 4497] set_robust_list(0x5555810c5760, 24 [pid 4496] set_robust_list(0x5555810c5760, 24 [pid 4495] <... symlinkat resumed>) = 0 [pid 4493] <... futex resumed>) = 0 [pid 4495] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4493] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4495] <... futex resumed>) = 0 [pid 4493] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4495] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4493] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4497] <... set_robust_list resumed>) = 0 [pid 4496] <... set_robust_list resumed>) = 0 [pid 4495] <... unlinkat resumed>) = 0 [pid 4493] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4495] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4493] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4495] <... futex resumed>) = 0 [pid 4493] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4495] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4493] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4495] <... unlinkat resumed>) = 0 [pid 4493] <... futex resumed>) = 0 [pid 4495] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4493] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4495] <... futex resumed>) = 0 [pid 4493] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4495] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4493] exit_group(0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4499 [pid 4495] <... futex resumed>) = ? [pid 4493] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 4499 attached [pid 4497] rt_sigprocmask(SIG_SETMASK, [] [pid 4496] rt_sigprocmask(SIG_SETMASK, [] [pid 4495] +++ exited with 0 +++ [pid 4493] +++ exited with 0 +++ [pid 311] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4497] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4496] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4493, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 4498 attached [pid 4498] set_robust_list(0x7f85c0c359a0, 24 [pid 4497] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4496] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4498] <... set_robust_list resumed>) = 0 [pid 4498] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4497] <... prctl resumed>) = 0 [pid 4496] <... prctl resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 4498] mkdirat(AT_FDCWD, "./config", 0777 [pid 4497] setpgid(0, 0 [pid 4496] setpgid(0, 0 [pid 4499] set_robust_list(0x5555810c5760, 24 [pid 4498] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4497] <... setpgid resumed>) = 0 [pid 4496] <... setpgid resumed>) = 0 [pid 4498] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4496] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4498] <... futex resumed>) = 1 [pid 4494] <... futex resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4498] mount(NULL, "./config", "configfs", 0, NULL [pid 4497] <... openat resumed>) = 3 [pid 4496] <... openat resumed>) = 3 [pid 4494] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4498] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4494] <... futex resumed>) = 0 [pid 4498] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4494] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4498] <... futex resumed>) = 0 [pid 4494] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4498] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4497] write(3, "1000", 4 [pid 4496] write(3, "1000", 4 [pid 4494] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4498] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4494] <... futex resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4500 [pid 4498] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4497] <... write resumed>) = 4 [pid 4496] <... write resumed>) = 4 [pid 4494] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4498] <... futex resumed>) = 0 [pid 4494] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4498] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4494] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4498] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4497] close(3 [pid 4496] close(3 [pid 4494] <... futex resumed>) = 0 [pid 4498] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4494] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4498] <... futex resumed>) = 0 [pid 4494] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4498] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4497] <... close resumed>) = 0 [pid 4496] <... close resumed>) = 0 [pid 4494] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4499] <... set_robust_list resumed>) = 0 [pid 4498] <... mkdirat resumed>) = 0 [pid 4497] write(1, "executing program\n", 18 [pid 4496] write(1, "executing program\n", 18 [pid 4494] <... futex resumed>) = 0 [pid 4498] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4494] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4498] <... futex resumed>) = 0 [pid 4494] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program executing program [pid 4498] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4497] <... write resumed>) = 18 [pid 4496] <... write resumed>) = 18 [pid 4494] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4499] rt_sigprocmask(SIG_SETMASK, [] [pid 4498] <... symlinkat resumed>) = 0 [pid 4497] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4496] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4494] <... futex resumed>) = 0 [pid 4499] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4498] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4497] <... futex resumed>) = 0 [pid 4496] <... futex resumed>) = 0 [pid 4494] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4498] <... futex resumed>) = 0 [pid 4497] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4496] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4494] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4499] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4498] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4497] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4496] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4494] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4500 attached [pid 4499] <... prctl resumed>) = 0 [pid 4498] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4497] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4496] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4494] <... futex resumed>) = 0 [pid 4500] set_robust_list(0x5555810c5760, 24 [pid 4499] setpgid(0, 0 [pid 4498] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4497] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4496] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4494] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4500] <... set_robust_list resumed>) = 0 [pid 4499] <... setpgid resumed>) = 0 [pid 4498] <... unlinkat resumed>) = 0 [pid 4497] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4496] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4500] rt_sigprocmask(SIG_SETMASK, [] [pid 4498] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4497] <... mmap resumed>) = 0x7f85c0c15000 [pid 4496] <... mmap resumed>) = 0x7f85c0c15000 [pid 4500] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4499] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4498] <... futex resumed>) = 1 [pid 4494] <... futex resumed>) = 0 [pid 4497] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4496] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4500] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4499] <... openat resumed>) = 3 [pid 4498] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4497] <... mprotect resumed>) = 0 [pid 4494] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4496] <... mprotect resumed>) = 0 [pid 4500] <... prctl resumed>) = 0 [pid 4498] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4494] <... futex resumed>) = 0 [pid 4497] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4500] setpgid(0, 0 [pid 4499] write(3, "1000", 4 [pid 4498] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4497] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4496] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4494] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4500] <... setpgid resumed>) = 0 [pid 4499] <... write resumed>) = 4 [pid 4498] <... unlinkat resumed>) = 0 [pid 4497] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4496] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4499] close(3 [pid 4498] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4496] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4500] <... openat resumed>) = 3 [pid 4499] <... close resumed>) = 0 [pid 4498] <... futex resumed>) = 1 [pid 4497] <... clone3 resumed> => {parent_tid=[4501]}, 88) = 4501 [pid 4494] <... futex resumed>) = 0 [pid 4500] write(3, "1000", 4 [pid 4499] write(1, "executing program\n", 18 [pid 4498] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4497] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 4494] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 4502 attached [pid 4500] <... write resumed>) = 4 [pid 4499] <... write resumed>) = 18 [pid 4497] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4498] <... futex resumed>) = ? [pid 4496] <... clone3 resumed> => {parent_tid=[4502]}, 88) = 4502 [pid 4494] <... exit_group resumed>) = ? [pid 4500] close(3 [pid 4499] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4498] +++ exited with 0 +++ [pid 4497] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4496] rt_sigprocmask(SIG_SETMASK, [] [pid 4500] <... close resumed>) = 0 [pid 4500] write(1, "executing program\n", 18) = 18 [pid 4500] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4500] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4494] +++ exited with 0 +++ [pid 4500] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4494, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4500] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4499] <... futex resumed>) = 0 [pid 4497] <... futex resumed>) = 0 [pid 4496] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4500] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4499] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4497] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4496] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4500] <... mmap resumed>) = 0x7f85c0c15000 executing program [pid 4499] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4496] <... futex resumed>) = 0 [pid 4500] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4499] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4496] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4500] <... mprotect resumed>) = 0 [pid 4499] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4502] set_robust_list(0x7f85c0c359a0, 24 [pid 4500] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4499] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4500] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4500] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4499] <... mmap resumed>) = 0x7f85c0c15000 [pid 4500] <... clone3 resumed> => {parent_tid=[4503]}, 88) = 4503 [pid 4499] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4502] <... set_robust_list resumed>) = 0 [pid 4500] rt_sigprocmask(SIG_SETMASK, [] [pid 4499] <... mprotect resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4501 attached [pid 4501] set_robust_list(0x7f85c0c359a0, 24 [pid 4500] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4499] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4501] <... set_robust_list resumed>) = 0 [pid 4500] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4499] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4501] rt_sigprocmask(SIG_SETMASK, [] [pid 4499] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4500] <... futex resumed>) = 0 [pid 4501] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4500] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4499] <... clone3 resumed> => {parent_tid=[4504]}, 88) = 4504 [pid 4501] mkdirat(AT_FDCWD, "./config", 0777 [pid 4499] rt_sigprocmask(SIG_SETMASK, [] [pid 4501] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4499] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4501] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4499] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4501] <... futex resumed>) = 1 [pid 4499] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4497] <... futex resumed>) = 0 [pid 4501] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4497] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4497] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4501] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4501] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 4502] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 4503 attached [pid 4503] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4503] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4503] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4502] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4501] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4503] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4500] <... futex resumed>) = 0 [pid 4500] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4500] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4503] <... futex resumed>) = 1 [pid 4503] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 4502] mkdirat(AT_FDCWD, "./config", 0777 [pid 4501] <... futex resumed>) = 1 [pid 4497] <... futex resumed>) = 0 [pid 4503] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4502] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4501] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4497] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4502] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4501] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4500] <... futex resumed>) = 0 [pid 4497] <... futex resumed>) = 0 [pid 4500] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4497] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4502] <... futex resumed>) = 1 [pid 4501] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4500] <... futex resumed>) = 0 [pid 4497] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4496] <... futex resumed>) = 0 [pid 4502] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4501] <... futex resumed>) = 0 [pid 4500] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4497] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4496] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4502] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4501] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4497] <... futex resumed>) = 0 [pid 4496] <... futex resumed>) = 0 [pid 4502] mount(NULL, "./config", "configfs", 0, NULL [pid 4501] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4497] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4496] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... restart_syscall resumed>) = 0 [pid 4503] <... futex resumed>) = 1 [pid 4502] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4501] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4503] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4502] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4501] <... futex resumed>) = 1 [pid 4497] <... futex resumed>) = 0 [pid 4503] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4502] <... futex resumed>) = 1 [pid 4501] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4497] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4496] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4503] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4502] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4501] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4497] <... futex resumed>) = 0 [pid 4496] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4503] <... futex resumed>) = 1 [pid 4502] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4501] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4500] <... futex resumed>) = 0 [pid 4497] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4496] <... futex resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 4505 attached [pid 4503] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4502] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4501] <... mkdirat resumed>) = 0 [pid 4500] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4496] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4504 attached [pid 4503] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4502] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4501] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4500] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4505 [pid 4505] set_robust_list(0x5555810c5760, 24 [pid 4504] set_robust_list(0x7f85c0c359a0, 24 [pid 4503] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4502] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4501] <... futex resumed>) = 1 [pid 4500] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4497] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4504] <... set_robust_list resumed>) = 0 [pid 4503] <... futex resumed>) = 0 [pid 4502] <... futex resumed>) = 1 [pid 4501] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4500] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4497] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4496] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4504] rt_sigprocmask(SIG_SETMASK, [] [pid 4503] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4502] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4501] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4500] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4497] <... futex resumed>) = 0 [pid 4496] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4505] <... set_robust_list resumed>) = 0 [pid 4503] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4502] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4501] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4500] <... futex resumed>) = 0 [pid 4497] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4496] <... futex resumed>) = 0 [pid 4503] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4502] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4501] <... symlinkat resumed>) = 0 [pid 4500] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4496] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4503] <... futex resumed>) = 0 [pid 4502] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4501] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4500] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4503] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4502] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4501] <... futex resumed>) = 1 [pid 4500] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4497] <... futex resumed>) = 0 [pid 4503] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4502] <... futex resumed>) = 1 [pid 4501] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4500] <... futex resumed>) = 0 [pid 4497] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4496] <... futex resumed>) = 0 [pid 4503] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4502] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4501] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4500] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4497] <... futex resumed>) = 0 [pid 4496] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4504] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4503] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4502] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4501] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4497] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4496] <... futex resumed>) = 0 [pid 4503] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4502] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4501] <... unlinkat resumed>) = 0 [pid 4504] mkdirat(AT_FDCWD, "./config", 0777 [pid 4503] <... futex resumed>) = 1 [pid 4502] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4501] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4500] <... futex resumed>) = 0 [pid 4496] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4504] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4503] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4502] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4501] <... futex resumed>) = 1 [pid 4500] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4497] <... futex resumed>) = 0 [pid 4496] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4504] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4503] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4502] <... futex resumed>) = 0 [pid 4501] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4500] <... futex resumed>) = 0 [pid 4497] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4496] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4504] <... futex resumed>) = 1 [pid 4503] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4502] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4501] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4500] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4499] <... futex resumed>) = 0 [pid 4497] <... futex resumed>) = 0 [pid 4496] <... futex resumed>) = 0 [pid 4505] rt_sigprocmask(SIG_SETMASK, [] [pid 4504] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4503] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4502] <... symlinkat resumed>) = 0 [pid 4503] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4501] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4499] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4497] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4496] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4505] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4504] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4503] <... futex resumed>) = 1 [pid 4502] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4501] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 4500] <... futex resumed>) = 0 [pid 4499] <... futex resumed>) = 0 [pid 4496] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4504] mount(NULL, "./config", "configfs", 0, NULL [pid 4503] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4502] <... futex resumed>) = 0 [pid 4501] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4500] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4499] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4496] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4505] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4504] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4503] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4502] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4501] <... futex resumed>) = 1 [pid 4500] <... futex resumed>) = 0 [pid 4497] <... futex resumed>) = 0 [pid 4496] <... futex resumed>) = 0 [pid 4505] <... prctl resumed>) = 0 [pid 4504] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4503] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4502] <... unlinkat resumed>) = 0 [pid 4501] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4500] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4497] exit_group(0 [pid 4496] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4505] setpgid(0, 0 [pid 4504] <... futex resumed>) = 1 [pid 4503] <... unlinkat resumed>) = 0 [pid 4502] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4501] <... futex resumed>) = ? [pid 4499] <... futex resumed>) = 0 [pid 4497] <... exit_group resumed>) = ? [pid 4496] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4504] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4503] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4502] <... futex resumed>) = 0 [pid 4501] +++ exited with 0 +++ [pid 4499] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4503] <... futex resumed>) = 1 [pid 4500] <... futex resumed>) = 0 [pid 4503] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4500] exit_group(0 [pid 4503] <... futex resumed>) = ? [pid 4500] <... exit_group resumed>) = ? [pid 4505] <... setpgid resumed>) = 0 [pid 4504] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4503] +++ exited with 0 +++ [pid 4502] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4500] +++ exited with 0 +++ [pid 4499] <... futex resumed>) = 0 [pid 4497] +++ exited with 0 +++ [pid 4496] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4504] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4502] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4499] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4496] <... futex resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4500, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4504] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4502] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4496] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4497, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4504] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4502] <... futex resumed>) = 0 [pid 4496] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4504] <... futex resumed>) = 1 [pid 4502] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4499] <... futex resumed>) = 0 [pid 4496] exit_group(0 [pid 4504] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4499] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4502] <... futex resumed>) = ? [pid 4499] <... futex resumed>) = 0 [pid 4496] <... exit_group resumed>) = ? [pid 4504] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4502] +++ exited with 0 +++ [pid 4499] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4496] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4496, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4504] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4505] <... openat resumed>) = 3 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4504] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4505] write(3, "1000", 4 [pid 4504] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4505] <... write resumed>) = 4 [pid 4504] <... futex resumed>) = 1 [pid 4499] <... futex resumed>) = 0 [pid 4505] close(3 [pid 4504] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4499] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4504] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4499] <... futex resumed>) = 0 [pid 4505] <... close resumed>) = 0 [pid 4504] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4499] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4505] write(1, "executing program\n", 18 [pid 4504] <... mkdirat resumed>) = 0 [pid 4504] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4505] <... write resumed>) = 18 executing program [pid 4504] <... futex resumed>) = 1 [pid 4499] <... futex resumed>) = 0 [pid 4505] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4504] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4499] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4504] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4505] <... futex resumed>) = 0 [pid 4499] <... futex resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 4505] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4504] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4499] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4505] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4504] <... symlinkat resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4505] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4504] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4505] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4504] <... futex resumed>) = 1 [pid 4499] <... futex resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4506 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4505] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4504] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4499] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4499] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4506 attached [pid 4506] set_robust_list(0x5555810c5760, 24 [pid 4505] <... mmap resumed>) = 0x7f85c0c15000 [pid 4504] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4507 [pid 4505] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4504] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4506] <... set_robust_list resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4505] <... mprotect resumed>) = 0 [pid 4504] <... unlinkat resumed>) = 0 [pid 4504] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4506] rt_sigprocmask(SIG_SETMASK, [] [pid 4505] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4504] <... futex resumed>) = 1 [pid 4499] <... futex resumed>) = 0 [pid 4505] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4504] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4499] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4506] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4504] <... unlinkat resumed>) = 0 [pid 4505] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4499] <... futex resumed>) = 0 [pid 4504] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4499] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4506] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4504] <... futex resumed>) = 0 [pid 4499] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4504] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4499] exit_group(0 [pid 4505] <... clone3 resumed> => {parent_tid=[4508]}, 88) = 4508 [pid 4504] <... futex resumed>) = ? [pid 4499] <... exit_group resumed>) = ? [pid 4505] rt_sigprocmask(SIG_SETMASK, [] [pid 4506] <... prctl resumed>) = 0 [pid 4506] setpgid(0, 0) = 0 [pid 4506] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4506] write(3, "1000", 4) = 4 [pid 4506] close(3 [pid 4504] +++ exited with 0 +++ [pid 4499] +++ exited with 0 +++ [pid 4505] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4505] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4499, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4505] <... futex resumed>) = 0 [pid 4506] <... close resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4505] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4506] write(1, "executing program\n", 18) = 18 [pid 4506] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4506] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4506] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1]ci2-android-5-15/strace-static-x86_64: Process 4508 attached , NULL, 8) = 0 [pid 4506] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 executing program [pid 4506] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4508] set_robust_list(0x7f85c0c359a0, 24 [pid 4506] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4506] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[4509]}, 88) = 4509 [pid 4506] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 4509 attached [pid 4508] <... set_robust_list resumed>) = 0 [pid 4506] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4506] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4506] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4507 attached [pid 4509] set_robust_list(0x7f85c0c359a0, 24 [pid 4508] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... restart_syscall resumed>) = 0 [pid 4507] set_robust_list(0x5555810c5760, 24) = 0 [pid 4507] rt_sigprocmask(SIG_SETMASK, [] [pid 4508] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4509] <... set_robust_list resumed>) = 0 [pid 4509] rt_sigprocmask(SIG_SETMASK, [] [pid 4508] mkdirat(AT_FDCWD, "./config", 0777 [pid 4507] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4509] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4508] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4509] mkdirat(AT_FDCWD, "./config", 0777 [pid 4508] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4507] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4508] <... futex resumed>) = 1 [pid 4505] <... futex resumed>) = 0 [pid 4505] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4510 attached ) = 0 [pid 4510] set_robust_list(0x5555810c5760, 24) = 0 [pid 4510] rt_sigprocmask(SIG_SETMASK, [] [pid 4509] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4508] mount(NULL, "./config", "configfs", 0, NULL [pid 4507] <... prctl resumed>) = 0 [pid 4505] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4510 [pid 4510] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4510] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4508] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4510] <... prctl resumed>) = 0 [pid 4510] setpgid(0, 0) = 0 [pid 4510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4509] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4508] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4510] <... openat resumed>) = 3 [pid 4508] <... futex resumed>) = 1 [pid 4505] <... futex resumed>) = 0 [pid 4507] setpgid(0, 0 [pid 4509] <... futex resumed>) = 1 [pid 4505] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4508] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4510] write(3, "1000", 4 [pid 4509] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4507] <... setpgid resumed>) = 0 [pid 4505] <... futex resumed>) = 0 [pid 4506] <... futex resumed>) = 0 [pid 4505] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4508] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4506] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4506] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4510] <... write resumed>) = 4 [pid 4509] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4508] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4510] close(3 [pid 4509] mount(NULL, "./config", "configfs", 0, NULL [pid 4508] <... futex resumed>) = 1 [pid 4507] <... openat resumed>) = 3 [pid 4505] <... futex resumed>) = 0 [pid 4505] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4508] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4505] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4508] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4508] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4505] <... futex resumed>) = 0 [pid 4508] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4505] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4508] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4505] <... futex resumed>) = 0 [pid 4508] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4505] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4508] <... mkdirat resumed>) = 0 [pid 4508] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4505] <... futex resumed>) = 0 [pid 4508] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4505] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4508] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4505] <... futex resumed>) = 0 [pid 4508] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4505] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... restart_syscall resumed>) = 0 [pid 4508] <... symlinkat resumed>) = 0 [pid 4508] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4508] <... futex resumed>) = 1 [pid 4505] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4508] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4505] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4508] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4505] <... futex resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4508] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4505] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4511 attached [pid 4508] <... unlinkat resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4511 [pid 4508] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4505] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4508] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4505] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4505] <... futex resumed>) = 0 [pid 4505] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4511] set_robust_list(0x5555810c5760, 24 [pid 4508] <... unlinkat resumed>) = 0 [pid 4511] <... set_robust_list resumed>) = 0 [pid 4508] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4505] <... futex resumed>) = 0 [pid 4508] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4505] exit_group(0) = ? [pid 4508] <... futex resumed>) = ? [pid 4511] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4511] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4511] setpgid(0, 0) = 0 [pid 4511] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4508] +++ exited with 0 +++ [pid 4505] +++ exited with 0 +++ [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4505, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4511] <... openat resumed>) = 3 [pid 4509] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4510] <... close resumed>) = 0 [pid 4511] write(3, "1000", 4) = 4 [pid 4511] close(3) = 0 [pid 4511] write(1, "executing program\n", 18) = 18 [pid 4511] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 4511] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4511] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4511] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4510] write(1, "executing program\n", 18 [pid 4509] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4507] write(3, "1000", 4 [pid 4511] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 executing program [pid 4511] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4510] <... write resumed>) = 18 [pid 4509] <... futex resumed>) = 1 [pid 4507] <... write resumed>) = 4 [pid 4506] <... futex resumed>) = 0 [pid 4506] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4506] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4511] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4511] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4509] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4510] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4507] close(3 [pid 4511] <... clone3 resumed> => {parent_tid=[4512]}, 88) = 4512 [pid 4511] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4511] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4511] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4512 attached [pid 4512] set_robust_list(0x7f85c0c359a0, 24 [pid 4509] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4510] <... futex resumed>) = 0 [pid 4509] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4510] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4507] <... close resumed>) = 0 [pid 4510] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4509] <... futex resumed>) = 1 executing program [pid 4507] write(1, "executing program\n", 18 [pid 4510] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4509] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4507] <... write resumed>) = 18 [pid 4510] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4510] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4507] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4506] <... futex resumed>) = 0 [pid 4510] <... mmap resumed>) = 0x7f85c0c15000 [pid 4507] <... futex resumed>) = 0 [pid 4510] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4507] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4510] <... mprotect resumed>) = 0 [pid 4507] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4506] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4510] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4507] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4510] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4507] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4510] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4507] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4510] <... clone3 resumed> => {parent_tid=[4513]}, 88) = 4513 [pid 4507] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4510] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4507] <... mprotect resumed>) = 0 [pid 4510] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4507] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4506] <... futex resumed>) = 1 [pid 4509] <... futex resumed>) = 0 [pid 4510] <... futex resumed>) = 0 [pid 4509] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4507] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4510] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4509] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4507] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4509] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4506] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 4509] <... futex resumed>) = 0 [pid 4509] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4507] <... clone3 resumed> => {parent_tid=[4514]}, 88) = 4514 [pid 4507] rt_sigprocmask(SIG_SETMASK, [] [pid 4506] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... restart_syscall resumed>) = 0 [pid 4509] <... futex resumed>) = 0 [pid 4507] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4506] <... futex resumed>) = 1 ci2-android-5-15/strace-static-x86_64: Process 4513 attached [pid 4509] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4507] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4506] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4507] <... futex resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4509] <... mkdirat resumed>) = 0 [pid 4513] set_robust_list(0x7f85c0c359a0, 24 [pid 4507] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4515 [pid 4509] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4509] <... futex resumed>) = 1 [pid 4506] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4509] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4506] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4513] <... set_robust_list resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4515 attached [pid 4506] <... futex resumed>) = 0 [pid 4506] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4515] set_robust_list(0x5555810c5760, 24 [pid 4513] rt_sigprocmask(SIG_SETMASK, [] [pid 4509] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4512] <... set_robust_list resumed>) = 0 [pid 4512] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4512] mkdirat(AT_FDCWD, "./config", 0777 [pid 4509] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4512] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4512] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4511] <... futex resumed>) = 0 [pid 4511] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4511] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4512] <... futex resumed>) = 1 [pid 4512] mount(NULL, "./config", "configfs", 0, NULL [pid 4509] <... symlinkat resumed>) = 0 [pid 4509] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4506] <... futex resumed>) = 0 [pid 4509] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4506] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4509] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4506] <... futex resumed>) = 0 [pid 4509] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4506] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4512] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4509] <... unlinkat resumed>) = 0 [pid 4512] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4509] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4511] <... futex resumed>) = 0 [pid 4509] <... futex resumed>) = 1 [pid 4506] <... futex resumed>) = 0 [pid 4511] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4509] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4506] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4511] <... futex resumed>) = 0 [pid 4509] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4506] <... futex resumed>) = 0 [pid 4511] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4509] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4506] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4512] <... futex resumed>) = 1 [pid 4512] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4509] <... unlinkat resumed>) = 0 [pid 4512] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4509] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4512] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4509] <... futex resumed>) = 1 [pid 4506] <... futex resumed>) = 0 [pid 4509] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4506] exit_group(0) = ? [pid 4515] <... set_robust_list resumed>) = 0 [pid 4513] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4509] <... futex resumed>) = ? [pid 4511] <... futex resumed>) = 0 [pid 4511] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4511] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4512] <... futex resumed>) = 1 [pid 4512] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4512] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4511] <... futex resumed>) = 0 [pid 4511] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4509] +++ exited with 0 +++ [pid 4506] +++ exited with 0 +++ [pid 4511] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4513] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4506, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4512] <... futex resumed>) = 1 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4513] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4512] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4515] rt_sigprocmask(SIG_SETMASK, [] [pid 4513] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4512] <... mkdirat resumed>) = 0 [pid 4512] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4511] <... futex resumed>) = 0 [pid 4511] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4511] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4515] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4513] <... futex resumed>) = 1 [pid 4510] <... futex resumed>) = 0 [pid 4512] <... futex resumed>) = 1 [pid 4513] mount(NULL, "./config", "configfs", 0, NULL [pid 4510] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4512] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4510] <... futex resumed>) = 0 [pid 4513] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4512] <... symlinkat resumed>) = 0 [pid 4510] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4513] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4510] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4512] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4510] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4513] <... futex resumed>) = 0 [pid 4510] <... futex resumed>) = 0 [pid 4513] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4512] <... futex resumed>) = 1 [pid 4511] <... futex resumed>) = 0 [pid 4510] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4515] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4513] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4512] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4511] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4512] <... unlinkat resumed>) = 0 [pid 4511] <... futex resumed>) = 0 [pid 4512] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4511] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4512] <... futex resumed>) = 0 [pid 4511] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4512] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4511] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4515] <... prctl resumed>) = 0 [pid 4513] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4512] <... unlinkat resumed>) = 0 [pid 4511] <... futex resumed>) = 0 [pid 4512] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4511] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4513] <... futex resumed>) = 1 [pid 4512] <... futex resumed>) = 0 [pid 4511] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4510] <... futex resumed>) = 0 [pid 4515] setpgid(0, 0 [pid 4513] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4512] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4511] exit_group(0 [pid 4510] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4513] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4512] <... futex resumed>) = ? [pid 4511] <... exit_group resumed>) = ? [pid 4510] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4514 attached [pid 4515] <... setpgid resumed>) = 0 [pid 4513] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4512] +++ exited with 0 +++ [pid 4511] +++ exited with 0 +++ [pid 4510] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4513] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4511, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4513] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4513] <... futex resumed>) = 1 [pid 4510] <... futex resumed>) = 0 [pid 4515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4513] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4510] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4513] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4510] <... futex resumed>) = 0 [pid 4513] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4510] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4513] <... mkdirat resumed>) = 0 [pid 4513] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4515] <... openat resumed>) = 3 [pid 4513] <... futex resumed>) = 1 [pid 4510] <... futex resumed>) = 0 [pid 4515] write(3, "1000", 4 [pid 4513] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4510] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4515] <... write resumed>) = 4 [pid 4513] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4510] <... futex resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4515] close(3 [pid 4513] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4510] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4514] set_robust_list(0x7f85c0c359a0, 24 [pid 4513] <... symlinkat resumed>) = 0 [pid 4515] <... close resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4513] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4514] <... set_robust_list resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4515] write(1, "executing program\n", 18 [pid 4514] rt_sigprocmask(SIG_SETMASK, [] [pid 4513] <... futex resumed>) = 1 [pid 4510] <... futex resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4515] <... write resumed>) = 18 [pid 4514] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4513] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4510] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4516 attached [pid 4513] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4510] <... futex resumed>) = 0 [pid 4515] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 4514] mkdirat(AT_FDCWD, "./config", 0777 [pid 4513] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4510] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4516 [pid 4515] <... futex resumed>) = 0 [pid 4516] set_robust_list(0x5555810c5760, 24 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4513] <... unlinkat resumed>) = 0 [pid 4516] <... set_robust_list resumed>) = 0 [pid 4515] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4514] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4513] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... restart_syscall resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4515] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4514] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4513] <... futex resumed>) = 1 [pid 4510] <... futex resumed>) = 0 [pid 4516] rt_sigprocmask(SIG_SETMASK, [] [pid 4515] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4514] <... futex resumed>) = 1 [pid 4513] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4510] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4507] <... futex resumed>) = 0 [pid 4515] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4514] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4513] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4510] <... futex resumed>) = 0 [pid 4507] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4515] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4514] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4513] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4510] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4507] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4507] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4516] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4513] <... unlinkat resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4515] <... mmap resumed>) = 0x7f85c0c15000 [pid 4514] mount(NULL, "./config", "configfs", 0, NULL [pid 4513] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4516] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4516] setpgid(0, 0) = 0 [pid 4516] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4515] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4513] <... futex resumed>) = 1 [pid 4510] <... futex resumed>) = 0 [pid 4514] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4513] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4515] <... mprotect resumed>) = 0 [pid 4514] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4510] exit_group(0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4517 [pid 4510] <... exit_group resumed>) = ? [pid 4516] write(3, "1000", 4 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4516] <... write resumed>) = 4 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4513] <... futex resumed>) = ? [pid 4516] close(3) = 0 [pid 4516] write(1, "executing program\n", 18) = 18 [pid 4516] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4516] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4516] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4513] +++ exited with 0 +++ [pid 4510] +++ exited with 0 +++ [pid 4516] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4510, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4515] rt_sigprocmask(SIG_BLOCK, ~[] executing program [pid 4514] <... futex resumed>) = 1 [pid 4515] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4507] <... futex resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4515] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4514] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4507] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4516] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4515] <... clone3 resumed> => {parent_tid=[4518]}, 88) = 4518 [pid 4507] <... futex resumed>) = 0 [pid 4515] rt_sigprocmask(SIG_SETMASK, [] [pid 4514] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4507] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4515] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4514] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4515] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4516] <... mprotect resumed>) = 0 [pid 4515] <... futex resumed>) = 0 [pid 4514] <... futex resumed>) = 1 [pid 4507] <... futex resumed>) = 0 [pid 4515] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4514] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4507] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4514] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4507] <... futex resumed>) = 0 [pid 4516] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4514] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4507] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4514] <... mkdirat resumed>) = -1 EEXIST (File exists) ci2-android-5-15/strace-static-x86_64: Process 4517 attached [pid 4516] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4514] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4517] set_robust_list(0x5555810c5760, 24 [pid 4516] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4514] <... futex resumed>) = 1 [pid 4507] <... futex resumed>) = 0 [pid 4514] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4507] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4514] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4507] <... futex resumed>) = 0 [pid 4514] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4507] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4517] <... set_robust_list resumed>) = 0 [pid 4517] rt_sigprocmask(SIG_SETMASK, [] [pid 4516] <... clone3 resumed> => {parent_tid=[4519]}, 88) = 4519 [pid 4514] <... mkdirat resumed>) = 0 [pid 4517] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4516] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 4518 attached ci2-android-5-15/strace-static-x86_64: Process 4519 attached [pid 4517] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4516] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4514] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4517] <... prctl resumed>) = 0 [pid 4516] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4519] set_robust_list(0x7f85c0c359a0, 24 [pid 4518] set_robust_list(0x7f85c0c359a0, 24 [pid 4514] <... futex resumed>) = 1 [pid 4507] <... futex resumed>) = 0 [pid 4517] setpgid(0, 0 [pid 4516] <... futex resumed>) = 0 [pid 4517] <... setpgid resumed>) = 0 [pid 4516] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4517] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4519] <... set_robust_list resumed>) = 0 [pid 4518] <... set_robust_list resumed>) = 0 [pid 4514] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4507] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4518] rt_sigprocmask(SIG_SETMASK, [] [pid 4517] <... openat resumed>) = 3 [pid 4514] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4507] <... futex resumed>) = 0 [pid 4518] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4514] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4507] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4519] rt_sigprocmask(SIG_SETMASK, [] [pid 4518] mkdirat(AT_FDCWD, "./config", 0777 [pid 4517] write(3, "1000", 4 [pid 4514] <... symlinkat resumed>) = 0 [pid 4518] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4514] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4518] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4514] <... futex resumed>) = 1 [pid 4507] <... futex resumed>) = 0 [pid 4518] <... futex resumed>) = 1 [pid 4515] <... futex resumed>) = 0 [pid 4514] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4507] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4518] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4515] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4514] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4507] <... futex resumed>) = 0 [pid 4518] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4515] <... futex resumed>) = 0 [pid 4514] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4507] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4518] mount(NULL, "./config", "configfs", 0, NULL [pid 4515] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4514] <... unlinkat resumed>) = 0 [pid 4519] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4518] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4517] <... write resumed>) = 4 [pid 4514] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4518] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4514] <... futex resumed>) = 1 [pid 4507] <... futex resumed>) = 0 [pid 4518] <... futex resumed>) = 1 [pid 4515] <... futex resumed>) = 0 [pid 4514] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4507] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4518] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4515] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4514] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4507] <... futex resumed>) = 0 [pid 4518] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4515] <... futex resumed>) = 0 [pid 4514] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4507] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4518] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4517] close(3 [pid 4515] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4514] <... unlinkat resumed>) = 0 [pid 4518] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4514] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4518] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4514] <... futex resumed>) = 1 [pid 4507] <... futex resumed>) = 0 [pid 4518] <... futex resumed>) = 1 [pid 4515] <... futex resumed>) = 0 [pid 4514] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4507] exit_group(0 [pid 4518] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4515] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4514] <... futex resumed>) = ? [pid 4507] <... exit_group resumed>) = ? [pid 4519] mkdirat(AT_FDCWD, "./config", 0777 [pid 4518] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4517] <... close resumed>) = 0 [pid 4515] <... futex resumed>) = 0 [pid 4514] +++ exited with 0 +++ [pid 4519] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4518] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4515] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4507] +++ exited with 0 +++ [pid 4518] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 305] <... restart_syscall resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4507, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4518] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4519] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4518] <... futex resumed>) = 1 [pid 4517] write(1, "executing program\n", 18 [pid 4515] <... futex resumed>) = 0 executing program [pid 304] <... restart_syscall resumed>) = 0 [pid 4519] <... futex resumed>) = 1 [pid 4518] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4517] <... write resumed>) = 18 [pid 4516] <... futex resumed>) = 0 [pid 4515] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4519] mount(NULL, "./config", "configfs", 0, NULL [pid 4518] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4517] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4516] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4515] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4519] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4518] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4517] <... futex resumed>) = 0 [pid 4516] <... futex resumed>) = 0 [pid 4515] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4519] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4518] <... mkdirat resumed>) = 0 [pid 4517] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4516] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4519] <... futex resumed>) = 0 [pid 4517] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4516] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4519] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4517] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4516] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4519] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4518] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4517] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4516] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4519] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4518] <... futex resumed>) = 1 [pid 4517] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4516] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4515] <... futex resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4520 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4519] <... futex resumed>) = 0 [pid 4518] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4517] <... mmap resumed>) = 0x7f85c0c15000 [pid 4516] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4515] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4519] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4518] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4517] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4516] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4515] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4519] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4517] <... mprotect resumed>) = 0 [pid 4516] <... futex resumed>) = 0 [pid 4519] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4518] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4517] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4516] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4515] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4519] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4518] <... symlinkat resumed>) = 0 [pid 4517] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4521 [pid 4519] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4518] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4517] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4519] <... futex resumed>) = 1 [pid 4518] <... futex resumed>) = 1 [pid 4516] <... futex resumed>) = 0 [pid 4515] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 4522 attached ci2-android-5-15/strace-static-x86_64: Process 4521 attached ci2-android-5-15/strace-static-x86_64: Process 4520 attached [pid 4519] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4518] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4517] <... clone3 resumed> => {parent_tid=[4522]}, 88) = 4522 [pid 4516] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4519] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4516] <... futex resumed>) = 0 [pid 4519] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4516] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4519] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4519] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4516] <... futex resumed>) = 0 [pid 4519] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4516] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4519] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4516] <... futex resumed>) = 0 [pid 4519] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4516] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4519] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4518] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4515] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4519] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4516] <... futex resumed>) = 0 [pid 4519] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4516] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4519] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4516] <... futex resumed>) = 0 [pid 4519] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4516] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4519] <... unlinkat resumed>) = 0 [pid 4518] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4515] <... futex resumed>) = 0 [pid 4519] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4516] <... futex resumed>) = 0 [pid 4519] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4516] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4519] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4516] <... futex resumed>) = 0 [pid 4519] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4516] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4521] set_robust_list(0x5555810c5760, 24 [pid 4520] set_robust_list(0x5555810c5760, 24 [pid 4519] <... unlinkat resumed>) = 0 [pid 4518] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4515] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4521] <... set_robust_list resumed>) = 0 [pid 4520] <... set_robust_list resumed>) = 0 [pid 4519] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4518] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4515] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4519] <... futex resumed>) = 1 [pid 4521] rt_sigprocmask(SIG_SETMASK, [] [pid 4518] <... futex resumed>) = 0 [pid 4516] <... futex resumed>) = 0 [pid 4515] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4521] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4520] rt_sigprocmask(SIG_SETMASK, [] [pid 4519] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4518] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4516] exit_group(0 [pid 4515] <... futex resumed>) = 0 [pid 4519] <... futex resumed>) = ? [pid 4518] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4516] <... exit_group resumed>) = ? [pid 4522] set_robust_list(0x7f85c0c359a0, 24 [pid 4521] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4520] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4519] +++ exited with 0 +++ [pid 4518] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4517] rt_sigprocmask(SIG_SETMASK, [] [pid 4515] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4522] <... set_robust_list resumed>) = 0 [pid 4521] <... prctl resumed>) = 0 [pid 4520] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4518] <... futex resumed>) = 0 [pid 4517] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4516] +++ exited with 0 +++ [pid 4515] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4522] rt_sigprocmask(SIG_SETMASK, [] [pid 4521] setpgid(0, 0 [pid 4520] <... prctl resumed>) = 0 [pid 4518] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4517] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4515] exit_group(0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4516, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4522] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4521] <... setpgid resumed>) = 0 [pid 4520] setpgid(0, 0 [pid 4517] <... futex resumed>) = 0 [pid 4515] <... exit_group resumed>) = ? [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4522] mkdirat(AT_FDCWD, "./config", 0777 [pid 4521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4518] <... futex resumed>) = ? [pid 4517] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4522] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4522] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... restart_syscall resumed>) = 0 [pid 4522] <... futex resumed>) = 1 [pid 4521] <... openat resumed>) = 3 [pid 4517] <... futex resumed>) = 0 [pid 4522] mount(NULL, "./config", "configfs", 0, NULL [pid 4517] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4522] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4517] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4522] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4518] +++ exited with 0 +++ [pid 4517] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4515] +++ exited with 0 +++ [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4522] <... futex resumed>) = 0 [pid 4521] write(3, "1000", 4 [pid 4520] <... setpgid resumed>) = 0 [pid 4517] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4522] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4521] <... write resumed>) = 4 [pid 4520] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4517] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4523 attached [pid 4522] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4521] close(3 [pid 4517] <... futex resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4523 [pid 4522] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4521] <... close resumed>) = 0 [pid 4520] <... openat resumed>) = 3 [pid 4517] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4515, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4522] <... futex resumed>) = 0 [pid 4517] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4522] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4517] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4522] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4517] <... futex resumed>) = 0 [pid 4522] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4517] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4522] <... futex resumed>) = 0 [pid 4517] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4522] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4517] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4522] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4517] <... futex resumed>) = 0 [pid 4522] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4517] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4522] <... mkdirat resumed>) = 0 [pid 4521] write(1, "executing program\n", 18 [pid 4520] write(3, "1000", 4 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4522] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4517] <... futex resumed>) = 0 [pid 4522] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4517] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4522] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4517] <... futex resumed>) = 0 [pid 4522] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4517] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4522] <... symlinkat resumed>) = 0 [pid 4522] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4517] <... futex resumed>) = 0 [pid 4522] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4517] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4522] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 4517] <... futex resumed>) = 0 [pid 4523] set_robust_list(0x5555810c5760, 24 [pid 4522] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4521] <... write resumed>) = 18 [pid 4520] <... write resumed>) = 4 [pid 4517] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4522] <... unlinkat resumed>) = 0 [pid 4521] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4520] close(3 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4523] <... set_robust_list resumed>) = 0 [pid 4522] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4521] <... futex resumed>) = 0 [pid 4520] <... close resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4524 attached [pid 4522] <... futex resumed>) = 1 [pid 4517] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4524 [pid 4522] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4517] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4522] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4517] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4522] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4517] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4522] <... unlinkat resumed>) = 0 [pid 4521] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4520] write(1, "executing program\n", 18 [pid 4522] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4517] <... futex resumed>) = 0 [pid 4522] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4517] exit_group(0 [pid 4522] <... futex resumed>) = ? [pid 4517] <... exit_group resumed>) = ? [pid 4524] set_robust_list(0x5555810c5760, 24 [pid 4523] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 4522] +++ exited with 0 +++ [pid 4521] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4520] <... write resumed>) = 18 [pid 4517] +++ exited with 0 +++ [pid 4524] <... set_robust_list resumed>) = 0 [pid 4524] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4524] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4521] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4520] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4517, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4524] <... prctl resumed>) = 0 [pid 4524] setpgid(0, 0) = 0 [pid 4524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4523] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4521] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4520] <... futex resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4524] write(3, "1000", 4) = 4 [pid 4524] close(3) = 0 executing program [pid 4524] write(1, "executing program\n", 18) = 18 [pid 4524] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4524] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4524] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4524] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4524] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4524] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4524] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[4525]}, 88) = 4525 [pid 4524] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4524] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4524] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4525 attached [pid 4525] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4525] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4525] mkdirat(AT_FDCWD, "./config", 0777 [pid 4521] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4520] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4525] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4525] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4523] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4521] <... mmap resumed>) = 0x7f85c0c15000 [pid 4520] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4523] <... prctl resumed>) = 0 [pid 4521] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4520] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4523] setpgid(0, 0 [pid 4521] <... mprotect resumed>) = 0 [pid 4520] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4524] <... futex resumed>) = 0 [pid 4521] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4523] <... setpgid resumed>) = 0 [pid 4520] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4521] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4520] <... mmap resumed>) = 0x7f85c0c15000 [pid 4524] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4521] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4520] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4523] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4524] <... futex resumed>) = 0 [pid 4521] <... clone3 resumed> => {parent_tid=[4526]}, 88) = 4526 [pid 4520] <... mprotect resumed>) = 0 [pid 4524] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4521] rt_sigprocmask(SIG_SETMASK, [] [pid 4520] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4523] <... openat resumed>) = 3 [pid 4521] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4520] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4523] write(3, "1000", 4 [pid 4521] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4520] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4523] <... write resumed>) = 4 [pid 4521] <... futex resumed>) = 0 [pid 4525] <... futex resumed>) = 1 [pid 4521] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4523] close(3 [pid 4520] <... clone3 resumed> => {parent_tid=[4527]}, 88) = 4527 [pid 4520] rt_sigprocmask(SIG_SETMASK, [] [pid 4523] <... close resumed>) = 0 [pid 4520] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4523] write(1, "executing program\n", 18 [pid 4520] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 4523] <... write resumed>) = 18 [pid 4520] <... futex resumed>) = 0 [pid 4520] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4523] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4525] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 4525] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4524] <... futex resumed>) = 0 [pid 4524] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4524] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4525] <... futex resumed>) = 1 [pid 4525] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 311] <... restart_syscall resumed>) = 0 [pid 4523] <... futex resumed>) = 0 [pid 4525] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4524] <... futex resumed>) = 0 [pid 4523] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4524] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4524] <... futex resumed>) = 0 [pid 4523] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4524] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4525] <... futex resumed>) = 1 [pid 4525] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4523] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4523] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4525] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4525] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4524] <... futex resumed>) = 0 [pid 4524] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4524] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4523] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4525] <... futex resumed>) = 1 [pid 4523] <... mmap resumed>) = 0x7f85c0c15000 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4528 [pid 4523] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4525] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4523] <... mprotect resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4523] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4523] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4523] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4525] <... mkdirat resumed>) = 0 [pid 4525] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4524] <... futex resumed>) = 0 [pid 4524] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4524] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4523] <... clone3 resumed> => {parent_tid=[4529]}, 88) = 4529 [pid 4525] <... futex resumed>) = 1 [pid 4523] rt_sigprocmask(SIG_SETMASK, [] [pid 4525] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4523] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4523] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4525] <... symlinkat resumed>) = 0 [pid 4523] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4525] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4524] <... futex resumed>) = 0 [pid 4524] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4524] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4525] <... futex resumed>) = 1 ci2-android-5-15/strace-static-x86_64: Process 4529 attached ci2-android-5-15/strace-static-x86_64: Process 4527 attached [pid 4525] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4525] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4524] <... futex resumed>) = 0 [pid 4524] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4524] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4525] <... futex resumed>) = 1 [pid 4525] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4529] set_robust_list(0x7f85c0c359a0, 24 [pid 4525] <... unlinkat resumed>) = 0 [pid 4527] set_robust_list(0x7f85c0c359a0, 24 [pid 4525] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4524] <... futex resumed>) = 0 [pid 4524] exit_group(0) = ? [pid 4525] <... futex resumed>) = ? [pid 4529] <... set_robust_list resumed>) = 0 [pid 4527] <... set_robust_list resumed>) = 0 [pid 4525] +++ exited with 0 +++ [pid 4524] +++ exited with 0 +++ [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4524, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 4528 attached [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4528] set_robust_list(0x5555810c5760, 24) = 0 [pid 4528] rt_sigprocmask(SIG_SETMASK, [] [pid 4529] rt_sigprocmask(SIG_SETMASK, [] [pid 4527] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 4526 attached [pid 4526] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4526] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4526] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4526] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4521] <... futex resumed>) = 0 [pid 4521] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4521] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4526] <... futex resumed>) = 1 [pid 4526] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 4526] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4521] <... futex resumed>) = 0 [pid 4521] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4521] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4526] <... futex resumed>) = 1 [pid 4526] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4526] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4521] <... futex resumed>) = 0 [pid 4521] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4521] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4526] <... futex resumed>) = 1 [pid 4526] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4526] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4521] <... futex resumed>) = 0 [pid 4521] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4521] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4526] <... futex resumed>) = 1 [pid 4526] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4527] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4526] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4521] <... futex resumed>) = 0 [pid 4521] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4521] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4526] <... futex resumed>) = 1 [pid 4526] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4526] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4521] <... futex resumed>) = 0 [pid 4521] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4521] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4526] <... futex resumed>) = 1 [pid 4526] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4526] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4521] <... futex resumed>) = 0 [pid 4521] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4521] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4526] <... futex resumed>) = 1 [pid 4526] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4526] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4521] <... futex resumed>) = 0 [pid 4521] exit_group(0) = ? [pid 4528] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4526] <... futex resumed>) = ? [pid 4529] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4527] mkdirat(AT_FDCWD, "./config", 0777 [pid 4529] mkdirat(AT_FDCWD, "./config", 0777 [pid 4528] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4527] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4526] +++ exited with 0 +++ [pid 4521] +++ exited with 0 +++ [pid 4529] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4528] <... prctl resumed>) = 0 [pid 4527] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4521, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4529] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4528] setpgid(0, 0 [pid 4527] <... futex resumed>) = 1 [pid 4520] <... futex resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4529] <... futex resumed>) = 1 [pid 4523] <... futex resumed>) = 0 [pid 4528] <... setpgid resumed>) = 0 [pid 4520] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4529] mount(NULL, "./config", "configfs", 0, NULL [pid 4527] mount(NULL, "./config", "configfs", 0, NULL [pid 4523] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4520] <... futex resumed>) = 0 [pid 4528] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4523] <... futex resumed>) = 0 [pid 4520] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4529] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4527] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4523] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4529] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4527] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4523] <... futex resumed>) = 0 [pid 4528] <... openat resumed>) = 3 [pid 4529] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4523] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4529] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4528] write(3, "1000", 4 [pid 4527] <... futex resumed>) = 1 [pid 4523] <... futex resumed>) = 0 [pid 4520] <... futex resumed>) = 0 [pid 4529] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4523] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4520] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4529] <... futex resumed>) = 0 [pid 4528] <... write resumed>) = 4 [pid 4527] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4523] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4529] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4523] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4520] <... futex resumed>) = 0 [pid 4529] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4523] <... futex resumed>) = 0 [pid 4520] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4529] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4528] close(3 [pid 4527] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4523] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4529] <... futex resumed>) = 0 [pid 4523] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] <... restart_syscall resumed>) = 0 [pid 4529] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4523] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4529] <... mkdirat resumed>) = 0 [pid 4528] <... close resumed>) = 0 [pid 4527] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4523] <... futex resumed>) = 0 [pid 4529] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4528] write(1, "executing program\n", 18 [pid 4527] <... futex resumed>) = 1 executing program [pid 4523] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4520] <... futex resumed>) = 0 [pid 4529] <... futex resumed>) = 0 [pid 4523] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4520] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4529] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4528] <... write resumed>) = 18 [pid 4527] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4523] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4520] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4529] <... symlinkat resumed>) = 0 [pid 4528] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4527] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4523] <... futex resumed>) = 0 [pid 4520] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4529] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4528] <... futex resumed>) = 0 [pid 4527] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4523] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4529] <... futex resumed>) = 0 [pid 4528] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4527] <... futex resumed>) = 0 [pid 4523] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4520] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... restart_syscall resumed>) = 0 [pid 4529] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4528] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4527] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4523] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4520] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4523] <... futex resumed>) = 0 [pid 4523] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4530 attached [pid 4529] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4528] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4527] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4520] <... futex resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 4531 attached [pid 4530] set_robust_list(0x5555810c5760, 24 [pid 4529] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4528] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4527] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4520] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4530 [pid 4529] <... unlinkat resumed>) = 0 [pid 4528] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4527] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4531 [pid 4530] <... set_robust_list resumed>) = 0 [pid 4529] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4528] <... mmap resumed>) = 0x7f85c0c15000 [pid 4527] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4529] <... futex resumed>) = 1 [pid 4523] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4530] rt_sigprocmask(SIG_SETMASK, [] [pid 4529] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4528] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4527] <... futex resumed>) = 1 [pid 4523] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4520] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4529] <... unlinkat resumed>) = 0 [pid 4523] <... futex resumed>) = 0 [pid 4527] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4523] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4520] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4528] <... mprotect resumed>) = 0 [pid 4530] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4529] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4527] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4523] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4520] <... futex resumed>) = 0 [pid 4530] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4529] <... futex resumed>) = 0 [pid 4528] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4527] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4523] exit_group(0 [pid 4520] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4530] <... prctl resumed>) = 0 [pid 4528] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4527] <... futex resumed>) = 0 [pid 4523] <... exit_group resumed>) = ? [pid 4520] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4531] set_robust_list(0x5555810c5760, 24 [pid 4530] setpgid(0, 0 [pid 4529] +++ exited with 0 +++ [pid 4528] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4527] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4523] +++ exited with 0 +++ [pid 4520] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4531] <... set_robust_list resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4523, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4531] rt_sigprocmask(SIG_SETMASK, [] [pid 4530] <... setpgid resumed>) = 0 [pid 4527] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4520] <... futex resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4531] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4528] <... clone3 resumed> => {parent_tid=[4532]}, 88) = 4532 [pid 4520] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4528] rt_sigprocmask(SIG_SETMASK, [] [pid 4527] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4531] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4530] <... openat resumed>) = 3 [pid 306] <... restart_syscall resumed>) = 0 [pid 4531] <... prctl resumed>) = 0 [pid 4530] write(3, "1000", 4 [pid 4528] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4527] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4531] setpgid(0, 0 [pid 4530] <... write resumed>) = 4 [pid 4528] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4527] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4528] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4530] close(3 [pid 4528] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4527] <... futex resumed>) = 1 [pid 4520] <... futex resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 4533 attached [pid 4531] <... setpgid resumed>) = 0 [pid 4530] <... close resumed>) = 0 [pid 4527] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4520] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4533 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4532 attached [pid 4532] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4532] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4532] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4532] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4528] <... futex resumed>) = 0 [pid 4528] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4528] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4532] <... futex resumed>) = 1 [pid 4532] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 4530] write(1, "executing program\n", 18 [pid 4527] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4520] <... futex resumed>) = 0 [pid 4532] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4528] <... futex resumed>) = 0 [pid 4528] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4528] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4532] <... futex resumed>) = 1 [pid 4532] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4532] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4528] <... futex resumed>) = 0 [pid 4532] <... futex resumed>) = 1 [pid 4528] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4532] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4528] <... futex resumed>) = 0 [pid 4532] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4528] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4532] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4528] <... futex resumed>) = 0 [pid 4532] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4528] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4532] <... mkdirat resumed>) = 0 [pid 4530] <... write resumed>) = 18 [pid 4528] <... futex resumed>) = 0 executing program [pid 4527] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4520] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4532] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4531] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4530] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4528] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4532] <... futex resumed>) = 0 [pid 4530] <... futex resumed>) = 0 [pid 4528] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4527] <... unlinkat resumed>) = 0 [pid 4532] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4530] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4528] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4527] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4532] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4530] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4528] <... futex resumed>) = 0 [pid 4527] <... futex resumed>) = 1 [pid 4520] <... futex resumed>) = 0 [pid 4532] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4531] <... openat resumed>) = 3 [pid 4530] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4528] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4527] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4520] exit_group(0 [pid 4532] <... futex resumed>) = 0 [pid 4530] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4528] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4520] <... exit_group resumed>) = ? [pid 4532] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4531] write(3, "1000", 4 [pid 4530] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4528] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4527] <... futex resumed>) = ? [pid 4532] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4531] <... write resumed>) = 4 [pid 4530] <... mmap resumed>) = 0x7f85c0c15000 [pid 4528] <... futex resumed>) = 0 [pid 4532] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4528] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4532] <... futex resumed>) = 0 [pid 4528] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4532] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4528] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4532] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4528] <... futex resumed>) = 0 [pid 4532] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4528] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4532] <... futex resumed>) = 0 [pid 4528] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4532] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4528] exit_group(0 [pid 4527] +++ exited with 0 +++ [pid 4520] +++ exited with 0 +++ [pid 4530] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4532] <... futex resumed>) = ? [pid 4531] close(3 [pid 4530] <... mprotect resumed>) = 0 [pid 4528] <... exit_group resumed>) = ? [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4520, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4533] set_robust_list(0x5555810c5760, 24 [pid 4532] +++ exited with 0 +++ [pid 4531] <... close resumed>) = 0 [pid 4530] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4528] +++ exited with 0 +++ [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4531] write(1, "executing program\n", 18 [pid 4530] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4528, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4530] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4531] <... write resumed>) = 18 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4533] <... set_robust_list resumed>) = 0 executing program [pid 4533] rt_sigprocmask(SIG_SETMASK, [] [pid 4531] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4533] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4530] <... clone3 resumed> => {parent_tid=[4534]}, 88) = 4534 [pid 4533] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4531] <... futex resumed>) = 0 [pid 4530] rt_sigprocmask(SIG_SETMASK, [] [pid 4533] <... prctl resumed>) = 0 [pid 4531] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4530] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4533] setpgid(0, 0 [pid 4531] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4530] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4533] <... setpgid resumed>) = 0 [pid 4531] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4530] <... futex resumed>) = 0 [pid 4533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4531] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4530] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4533] <... openat resumed>) = 3 [pid 4531] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4533] write(3, "1000", 4) = 4 [pid 4533] close(3) = 0 [pid 4533] write(1, "executing program\n", 18) = 18 [pid 4533] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 4533] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4533] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4531] <... mmap resumed>) = 0x7f85c0c15000 [pid 4533] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4533] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4531] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4533] <... mprotect resumed>) = 0 [pid 4531] <... mprotect resumed>) = 0 [pid 4533] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4531] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4533] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4531] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4533] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4531] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4533] <... clone3 resumed> => {parent_tid=[4536]}, 88) = 4536 [pid 4531] <... clone3 resumed> => {parent_tid=[4535]}, 88) = 4535 [pid 4533] rt_sigprocmask(SIG_SETMASK, [] [pid 4531] rt_sigprocmask(SIG_SETMASK, [] [pid 4533] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4531] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4533] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4531] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4533] <... futex resumed>) = 0 [pid 4531] <... futex resumed>) = 0 [pid 4533] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4531] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4534 attached [pid 4534] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4534] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4534] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4534] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4534] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 4536 attached [pid 4530] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4535 attached [pid 4530] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4534] <... futex resumed>) = 0 [pid 4530] <... futex resumed>) = 1 [pid 4534] mount(NULL, "./config", "configfs", 0, NULL [pid 4530] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4534] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 305] <... restart_syscall resumed>) = 0 [pid 4534] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4530] <... futex resumed>) = 0 [pid 4534] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4530] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4534] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4530] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4534] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4530] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4534] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4534] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4537 [pid 4534] <... futex resumed>) = 1 [pid 4530] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4534] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4530] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4534] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4530] <... futex resumed>) = 0 [pid 4534] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4530] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4534] <... futex resumed>) = 0 [pid 4530] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4534] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4530] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4534] <... mkdirat resumed>) = 0 [pid 4530] <... futex resumed>) = 0 [pid 4534] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4530] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4534] <... futex resumed>) = 0 [pid 4530] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4534] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4530] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4534] <... symlinkat resumed>) = 0 [pid 4530] <... futex resumed>) = 0 [pid 4534] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4530] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4534] <... futex resumed>) = 0 [pid 4534] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4535] set_robust_list(0x7f85c0c359a0, 24 [pid 4530] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4536] set_robust_list(0x7f85c0c359a0, 24 [pid 4530] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4536] <... set_robust_list resumed>) = 0 [pid 4534] <... futex resumed>) = 0 [pid 4530] <... futex resumed>) = 1 [pid 4534] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4530] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4534] <... unlinkat resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 4534] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4530] <... futex resumed>) = 0 [pid 4530] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4534] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4530] <... futex resumed>) = 0 [pid 4530] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4534] <... unlinkat resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4534] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4534] <... futex resumed>) = 1 [pid 4534] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4535] <... set_robust_list resumed>) = 0 [pid 4536] rt_sigprocmask(SIG_SETMASK, [] [pid 4535] rt_sigprocmask(SIG_SETMASK, [] [pid 4536] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4535] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4536] mkdirat(AT_FDCWD, "./config", 0777 [pid 4535] mkdirat(AT_FDCWD, "./config", 0777 [pid 4530] <... futex resumed>) = 0 [pid 4536] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4535] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4530] exit_group(0 [pid 4536] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4535] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4536] <... futex resumed>) = 1 [pid 4535] <... futex resumed>) = 1 [pid 4534] <... futex resumed>) = ? [pid 4533] <... futex resumed>) = 0 [pid 4531] <... futex resumed>) = 0 [pid 4530] <... exit_group resumed>) = ? [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4538 [pid 4536] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4535] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4534] +++ exited with 0 +++ [pid 4533] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4531] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4536] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4535] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4533] <... futex resumed>) = 0 [pid 4536] mount(NULL, "./config", "configfs", 0, NULL [pid 4535] mount(NULL, "./config", "configfs", 0, NULL [pid 4533] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4536] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4535] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4531] <... futex resumed>) = 0 [pid 4530] +++ exited with 0 +++ [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4531] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4530, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4536] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4535] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4536] <... futex resumed>) = 1 [pid 4535] <... futex resumed>) = 1 [pid 4533] <... futex resumed>) = 0 [pid 4531] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4536] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4535] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4533] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4531] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4537 attached [pid 4536] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4535] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4533] <... futex resumed>) = 0 [pid 4531] <... futex resumed>) = 0 [pid 4536] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4535] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4533] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4531] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4537] set_robust_list(0x5555810c5760, 24 [pid 4536] <... futex resumed>) = 0 [pid 4535] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4533] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4536] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4535] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4533] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4537] <... set_robust_list resumed>) = 0 [pid 4536] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4535] <... futex resumed>) = 1 [pid 4533] <... futex resumed>) = 0 [pid 4531] <... futex resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 4536] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4535] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4533] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4536] <... futex resumed>) = 0 [pid 4535] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4537] rt_sigprocmask(SIG_SETMASK, [] [pid 4533] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4531] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4536] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4535] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4533] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4531] <... futex resumed>) = 0 [pid 4537] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4536] <... mkdirat resumed>) = 0 [pid 4535] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4533] <... futex resumed>) = 0 [pid 4531] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4536] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4535] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4533] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4531] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4537] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4536] <... futex resumed>) = 0 [pid 4535] <... futex resumed>) = 0 [pid 4533] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4531] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4537] <... prctl resumed>) = 0 [pid 4536] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4535] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4533] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4531] <... futex resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4537] setpgid(0, 0 [pid 4536] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4535] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4533] <... futex resumed>) = 0 [pid 4531] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4536] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4535] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4533] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4537] <... setpgid resumed>) = 0 [pid 4536] <... symlinkat resumed>) = 0 [pid 4535] <... futex resumed>) = 0 [pid 4531] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4536] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4535] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4536] <... futex resumed>) = 1 [pid 4535] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4533] <... futex resumed>) = 0 [pid 4531] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4539 [pid 4537] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4536] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4535] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4533] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4531] <... futex resumed>) = 0 [pid 4536] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4535] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4533] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4531] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4536] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4535] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4533] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4531] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4537] <... openat resumed>) = 3 [pid 4536] <... unlinkat resumed>) = 0 [pid 4535] <... futex resumed>) = 0 [pid 4531] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4536] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4535] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0ci2-android-5-15/strace-static-x86_64: Process 4538 attached [pid 4537] write(3, "1000", 4 [pid 4536] <... futex resumed>) = 1 [pid 4535] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4533] <... futex resumed>) = 0 [pid 4531] <... futex resumed>) = 0 [pid 4537] <... write resumed>) = 4 [pid 4538] set_robust_list(0x5555810c5760, 24 [pid 4536] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4535] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4533] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4531] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4538] <... set_robust_list resumed>) = 0 [pid 4537] close(3 [pid 4536] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4535] <... futex resumed>) = 0 [pid 4533] <... futex resumed>) = 0 [pid 4531] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4538] rt_sigprocmask(SIG_SETMASK, [] [pid 4537] <... close resumed>) = 0 [pid 4536] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4535] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4533] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4531] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4538] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4537] write(1, "executing program\n", 18 [pid 4536] <... unlinkat resumed>) = 0 [pid 4535] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4531] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4539 attached [pid 4537] <... write resumed>) = 18 [pid 4536] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 4535] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4539] set_robust_list(0x5555810c5760, 24 [pid 4538] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4537] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4536] <... futex resumed>) = 1 [pid 4535] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4533] <... futex resumed>) = 0 [pid 4531] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4539] <... set_robust_list resumed>) = 0 [pid 4538] <... prctl resumed>) = 0 [pid 4537] <... futex resumed>) = 0 [pid 4536] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4535] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4533] exit_group(0 [pid 4531] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4539] rt_sigprocmask(SIG_SETMASK, [] [pid 4538] setpgid(0, 0 [pid 4537] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4536] <... futex resumed>) = ? [pid 4535] <... futex resumed>) = 0 [pid 4533] <... exit_group resumed>) = ? [pid 4539] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4538] <... setpgid resumed>) = 0 [pid 4537] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4536] +++ exited with 0 +++ [pid 4535] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4533] +++ exited with 0 +++ [pid 4531] exit_group(0 [pid 4539] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4538] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4537] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4535] <... futex resumed>) = ? [pid 4531] <... exit_group resumed>) = ? [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4533, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4539] <... prctl resumed>) = 0 [pid 4538] <... openat resumed>) = 3 [pid 4537] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4535] +++ exited with 0 +++ [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4539] setpgid(0, 0) = 0 [pid 4539] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4531] +++ exited with 0 +++ [pid 4539] write(3, "1000", 4 [pid 4538] write(3, "1000", 4 [pid 4537] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4531, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4539] <... write resumed>) = 4 [pid 4538] <... write resumed>) = 4 [pid 4537] <... mmap resumed>) = 0x7f85c0c15000 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4539] close(3 [pid 4538] close(3 [pid 4537] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4539] <... close resumed>) = 0 [pid 4537] <... mprotect resumed>) = 0 [pid 4538] <... close resumed>) = 0 [pid 4539] write(1, "executing program\n", 18 [pid 4538] write(1, "executing program\n", 18 [pid 4537] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4539] <... write resumed>) = 18 [pid 4538] <... write resumed>) = 18 executing program executing program [pid 4537] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4539] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4538] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4537] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4539] <... futex resumed>) = 0 [pid 4539] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4538] <... futex resumed>) = 0 [pid 4539] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4538] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4537] <... clone3 resumed> => {parent_tid=[4540]}, 88) = 4540 [pid 4539] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4538] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4537] rt_sigprocmask(SIG_SETMASK, [] [pid 4539] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4537] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4538] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4539] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4537] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4539] <... mmap resumed>) = 0x7f85c0c15000 [pid 4539] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4539] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4538] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4537] <... futex resumed>) = 0 [pid 4539] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4538] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4539] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4537] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4538] <... mmap resumed>) = 0x7f85c0c15000 [pid 4539] <... clone3 resumed> => {parent_tid=[4541]}, 88) = 4541 [pid 4539] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4538] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4539] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4538] <... mprotect resumed>) = 0 [pid 4539] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4540 attached [pid 4538] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4540] set_robust_list(0x7f85c0c359a0, 24 [pid 4538] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 4538] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 4541 attached [pid 4538] <... clone3 resumed> => {parent_tid=[4542]}, 88) = 4542 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4543 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4540] <... set_robust_list resumed>) = 0 [pid 4540] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4538] rt_sigprocmask(SIG_SETMASK, [] [pid 4540] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4540] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4537] <... futex resumed>) = 0 [pid 4537] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 ci2-android-5-15/strace-static-x86_64: Process 4543 attached [pid 4537] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4541] set_robust_list(0x7f85c0c359a0, 24 [pid 4538] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4540] <... futex resumed>) = 1 [pid 4538] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4540] mount(NULL, "./config", "configfs", 0, NULL [pid 4541] <... set_robust_list resumed>) = 0 [pid 4540] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4538] <... futex resumed>) = 0 [pid 4543] set_robust_list(0x5555810c5760, 24 [pid 4538] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4540] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4537] <... futex resumed>) = 0 [pid 4537] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4537] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4540] <... futex resumed>) = 1 [pid 4540] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4540] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4537] <... futex resumed>) = 0 [pid 4537] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4537] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4540] <... futex resumed>) = 1 [pid 4540] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4540] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4537] <... futex resumed>) = 0 [pid 4537] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4537] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4540] <... futex resumed>) = 1 [pid 4540] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4543] <... set_robust_list resumed>) = 0 [pid 4541] rt_sigprocmask(SIG_SETMASK, [] [pid 4540] <... mkdirat resumed>) = 0 [pid 4540] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4537] <... futex resumed>) = 0 [pid 4540] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4537] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4541] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4540] <... symlinkat resumed>) = 0 [pid 4537] <... futex resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4540] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4537] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4540] <... futex resumed>) = 0 [pid 4537] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4541] mkdirat(AT_FDCWD, "./config", 0777 [pid 4540] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4537] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4540] <... unlinkat resumed>) = 0 [pid 4537] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4540] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4537] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 4544 attached [pid 4543] rt_sigprocmask(SIG_SETMASK, [] [pid 4541] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4540] <... futex resumed>) = 0 [pid 4537] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4540] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4537] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4544 [pid 4543] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4541] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4540] <... unlinkat resumed>) = 0 [pid 4537] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4540] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4537] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4540] <... futex resumed>) = 0 [pid 4537] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4540] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4537] exit_group(0 [pid 4541] <... futex resumed>) = 1 [pid 4540] <... futex resumed>) = ? [pid 4539] <... futex resumed>) = 0 [pid 4537] <... exit_group resumed>) = ? [pid 4544] set_robust_list(0x5555810c5760, 24 [pid 4543] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4541] mount(NULL, "./config", "configfs", 0, NULL [pid 4540] +++ exited with 0 +++ [pid 4539] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4537] +++ exited with 0 +++ [pid 4539] <... futex resumed>) = 0 [pid 4539] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4542 attached [pid 4542] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4542] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4542] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4542] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4538] <... futex resumed>) = 0 [pid 4538] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4538] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4542] <... futex resumed>) = 1 [pid 4542] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 4542] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4538] <... futex resumed>) = 0 [pid 4542] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4538] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4542] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4538] <... futex resumed>) = 0 [pid 4542] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4538] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4542] <... futex resumed>) = 0 [pid 4538] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4542] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4538] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4542] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4538] <... futex resumed>) = 0 [pid 4542] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4538] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4542] <... futex resumed>) = 0 [pid 4538] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4542] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4541] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4538] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4543] <... prctl resumed>) = 0 [pid 4542] <... mkdirat resumed>) = 0 [pid 4541] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4538] <... futex resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4537, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4544] <... set_robust_list resumed>) = 0 [pid 4543] setpgid(0, 0 [pid 4542] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4541] <... futex resumed>) = 1 [pid 4539] <... futex resumed>) = 0 [pid 4538] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4543] <... setpgid resumed>) = 0 [pid 4542] <... futex resumed>) = 0 [pid 4541] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4539] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4538] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4542] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4541] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4539] <... futex resumed>) = 0 [pid 4538] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4542] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4541] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4539] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4538] <... futex resumed>) = 0 [pid 4542] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4538] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4542] <... symlinkat resumed>) = 0 [pid 4543] <... openat resumed>) = 3 [pid 4542] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4541] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4543] write(3, "1000", 4 [pid 4542] <... futex resumed>) = 1 [pid 4541] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4538] <... futex resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4545 [pid 4543] <... write resumed>) = 4 [pid 4542] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4541] <... futex resumed>) = 1 [pid 4539] <... futex resumed>) = 0 [pid 4538] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4543] close(3 [pid 4542] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4541] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4539] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4538] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4543] <... close resumed>) = 0 [pid 4542] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4541] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4539] <... futex resumed>) = 0 [pid 4538] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4543] write(1, "executing program\n", 18 [pid 4542] <... unlinkat resumed>) = 0 [pid 4541] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4539] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4542] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4541] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 4543] <... write resumed>) = 18 [pid 4542] <... futex resumed>) = 1 [pid 4541] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4538] <... futex resumed>) = 0 [pid 4542] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4541] <... futex resumed>) = 1 [pid 4539] <... futex resumed>) = 0 [pid 4538] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4543] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4542] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4541] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4539] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4538] <... futex resumed>) = 0 [pid 4543] <... futex resumed>) = 0 [pid 4542] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4541] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4539] <... futex resumed>) = 0 [pid 4538] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4543] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4542] <... unlinkat resumed>) = 0 [pid 4541] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4539] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4543] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4542] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4541] <... futex resumed>) = 0 [pid 4539] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4543] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4542] <... futex resumed>) = 1 [pid 4541] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4539] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4538] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4545 attached [pid 4543] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4542] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4541] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4539] <... futex resumed>) = 0 [pid 4538] exit_group(0 [pid 4545] set_robust_list(0x5555810c5760, 24 [pid 4543] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4542] <... futex resumed>) = ? [pid 4541] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4539] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4538] <... exit_group resumed>) = ? [pid 4545] <... set_robust_list resumed>) = 0 [pid 4544] rt_sigprocmask(SIG_SETMASK, [] [pid 4543] <... mmap resumed>) = 0x7f85c0c15000 [pid 4542] +++ exited with 0 +++ [pid 4541] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4538] +++ exited with 0 +++ [pid 4543] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4541] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4538, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4545] rt_sigprocmask(SIG_SETMASK, [] [pid 4543] <... mprotect resumed>) = 0 [pid 4541] <... futex resumed>) = 1 [pid 4539] <... futex resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4545] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4541] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4539] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4545] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4544] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4543] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4541] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4539] <... futex resumed>) = 0 [pid 4545] <... prctl resumed>) = 0 [pid 4543] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4541] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4539] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4545] setpgid(0, 0 [pid 4544] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4543] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4541] <... futex resumed>) = 0 [pid 4539] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4545] <... setpgid resumed>) = 0 [pid 4541] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4539] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4545] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4544] <... prctl resumed>) = 0 [pid 4541] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4539] <... futex resumed>) = 0 [pid 4545] <... openat resumed>) = 3 [pid 4544] setpgid(0, 0 [pid 4543] <... clone3 resumed> => {parent_tid=[4546]}, 88) = 4546 [pid 4541] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4539] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4545] write(3, "1000", 4 [pid 4544] <... setpgid resumed>) = 0 [pid 4543] rt_sigprocmask(SIG_SETMASK, [] [pid 4545] <... write resumed>) = 4 [pid 4543] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4541] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4543] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4544] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4543] <... futex resumed>) = 0 [pid 4541] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4543] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4545] close(3 [pid 4541] <... futex resumed>) = 1 [pid 4539] <... futex resumed>) = 0 [pid 4545] <... close resumed>) = 0 [pid 4544] <... openat resumed>) = 3 [pid 4541] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4539] exit_group(0 [pid 4545] write(1, "executing program\n", 18 [pid 4544] write(3, "1000", 4 [pid 4539] <... exit_group resumed>) = ? executing program [pid 4545] <... write resumed>) = 18 [pid 4544] <... write resumed>) = 4 [pid 4541] <... futex resumed>) = ? [pid 4545] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4545] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4545] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4545] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4545] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4545] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4541] +++ exited with 0 +++ [pid 4539] +++ exited with 0 +++ [pid 4545] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4544] close(3 [pid 4545] <... clone3 resumed> => {parent_tid=[4547]}, 88) = 4547 [pid 4545] rt_sigprocmask(SIG_SETMASK, [] [pid 4544] <... close resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4539, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4545] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4545] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4544] write(1, "executing program\n", 18 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4545] <... futex resumed>) = 0 [pid 4545] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4544] <... write resumed>) = 18 ci2-android-5-15/strace-static-x86_64: Process 4546 attached executing program [pid 4546] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4544] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4546] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4546] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4546] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4543] <... futex resumed>) = 0 [pid 4543] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4543] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4546] <... futex resumed>) = 1 [pid 4546] mount(NULL, "./config", "configfs", 0, NULL [pid 4544] <... futex resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 4546] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4544] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}ci2-android-5-15/strace-static-x86_64: Process 4547 attached [pid 4546] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4543] <... futex resumed>) = 0 [pid 4544] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4543] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4544] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4543] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4544] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4546] <... futex resumed>) = 1 [pid 4544] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4546] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4546] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4543] <... futex resumed>) = 0 [pid 4546] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4543] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4546] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4544] <... mmap resumed>) = 0x7f85c0c15000 [pid 4543] <... futex resumed>) = 0 [pid 4546] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4544] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4543] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4548 [pid 4546] <... futex resumed>) = 0 [pid 4543] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4546] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4544] <... mprotect resumed>) = 0 [pid 4543] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4547] set_robust_list(0x7f85c0c359a0, 24 [pid 4546] <... mkdirat resumed>) = 0 [pid 4544] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4543] <... futex resumed>) = 0 [pid 4546] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4544] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4543] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4546] <... futex resumed>) = 0 [pid 4544] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4543] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4546] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4543] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4546] <... symlinkat resumed>) = 0 [pid 4543] <... futex resumed>) = 0 [pid 4546] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4543] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4546] <... futex resumed>) = 0 [pid 4544] <... clone3 resumed> => {parent_tid=[4549]}, 88) = 4549 [pid 4543] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4546] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4544] rt_sigprocmask(SIG_SETMASK, [] [pid 4543] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4546] <... unlinkat resumed>) = 0 [pid 4544] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4543] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4549 attached [pid 4547] <... set_robust_list resumed>) = 0 [pid 4546] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4544] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4543] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4546] <... futex resumed>) = 0 [pid 4544] <... futex resumed>) = 0 [pid 4543] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4546] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4544] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4543] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4546] <... unlinkat resumed>) = 0 [pid 4543] <... futex resumed>) = 0 [pid 4546] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4543] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4546] <... futex resumed>) = 0 [pid 4543] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4546] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4543] exit_group(0 [pid 4546] <... futex resumed>) = ? [pid 4543] <... exit_group resumed>) = ? [pid 4549] set_robust_list(0x7f85c0c359a0, 24 [pid 4547] rt_sigprocmask(SIG_SETMASK, [] [pid 4546] +++ exited with 0 +++ [pid 4543] +++ exited with 0 +++ [pid 312] <... restart_syscall resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4543, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 4548 attached [pid 4547] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4548] set_robust_list(0x5555810c5760, 24 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4547] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4548] <... set_robust_list resumed>) = 0 [pid 4548] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4548] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4548] setpgid(0, 0) = 0 [pid 4548] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4547] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4550 [pid 4548] <... openat resumed>) = 3 [pid 4547] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4548] write(3, "1000", 4) = 4 [pid 4548] close(3 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4547] <... futex resumed>) = 1 [pid 4545] <... futex resumed>) = 0 [pid 4548] <... close resumed>) = 0 [pid 4547] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4545] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4548] write(1, "executing program\n", 18 [pid 4545] <... futex resumed>) = 0 [pid 4548] <... write resumed>) = 18 [pid 4547] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4545] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4548] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 4548] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4548] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4548] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4547] mount(NULL, "./config", "configfs", 0, NULL [pid 4548] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4548] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4548] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[4551]}, 88) = 4551 [pid 4548] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4548] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4548] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4550 attached [pid 4550] set_robust_list(0x5555810c5760, 24) = 0 [pid 4550] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4550] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4547] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4550] setpgid(0, 0) = 0 [pid 4550] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4547] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4549] <... set_robust_list resumed>) = 0 [pid 4547] <... futex resumed>) = 1 [pid 4545] <... futex resumed>) = 0 [pid 4547] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4545] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4547] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4545] <... futex resumed>) = 0 [pid 4547] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4545] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4547] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4550] <... openat resumed>) = 3 [pid 4547] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4550] write(3, "1000", 4 [pid 4547] <... futex resumed>) = 1 [pid 4545] <... futex resumed>) = 0 [pid 4550] <... write resumed>) = 4 [pid 4547] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4545] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4550] close(3 [pid 4545] <... futex resumed>) = 0 [pid 4550] <... close resumed>) = 0 [pid 4547] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4545] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4550] write(1, "executing program\n", 18 [pid 4547] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4550] <... write resumed>) = 18 [pid 4550] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4550] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} executing program [pid 4549] rt_sigprocmask(SIG_SETMASK, [] [pid 4547] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4550] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4549] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4547] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4550] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4547] <... futex resumed>) = 1 [pid 4545] <... futex resumed>) = 0 [pid 4550] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4549] mkdirat(AT_FDCWD, "./config", 0777 [pid 4547] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4545] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4550] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4549] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4547] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4545] <... futex resumed>) = 0 [pid 4550] <... mmap resumed>) = 0x7f85c0c15000 [pid 4549] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4547] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4545] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4550] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4550] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4549] <... futex resumed>) = 1 [pid 4547] <... mkdirat resumed>) = 0 [pid 4544] <... futex resumed>) = 0 [pid 4547] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4544] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4550] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4549] mount(NULL, "./config", "configfs", 0, NULL [pid 4547] <... futex resumed>) = 1 [pid 4545] <... futex resumed>) = 0 [pid 4544] <... futex resumed>) = 0 [pid 4550] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4547] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4545] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4544] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4549] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4547] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4545] <... futex resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 4550] <... clone3 resumed> => {parent_tid=[4552]}, 88) = 4552 [pid 4549] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4547] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4545] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4550] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4550] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4547] <... symlinkat resumed>) = 0 [pid 4549] <... futex resumed>) = 1 [pid 4547] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4544] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4550] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4549] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4547] <... futex resumed>) = 1 [pid 4545] <... futex resumed>) = 0 [pid 4544] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4549] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4547] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4545] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4544] <... futex resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4545] <... futex resumed>) = 0 [pid 4545] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4544] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4551 attached [pid 4551] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4551] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4551] mkdirat(AT_FDCWD, "./config", 0777 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4553 [pid 4551] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4549] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4547] <... unlinkat resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4547] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4551] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4547] <... futex resumed>) = 1 [pid 4549] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4545] <... futex resumed>) = 0 [pid 4551] <... futex resumed>) = 1 [pid 4549] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4548] <... futex resumed>) = 0 [pid 4547] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4545] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4551] mount(NULL, "./config", "configfs", 0, NULL [pid 4548] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4545] <... futex resumed>) = 0 [pid 4551] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4549] <... futex resumed>) = 1 [pid 4548] <... futex resumed>) = 0 [pid 4547] <... unlinkat resumed>) = 0 [pid 4545] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4544] <... futex resumed>) = 0 [pid 4551] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4548] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4551] <... futex resumed>) = 0 [pid 4549] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4548] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4547] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4544] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4551] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4548] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4551] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4549] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4548] <... futex resumed>) = 0 [pid 4547] <... futex resumed>) = 1 [pid 4545] <... futex resumed>) = 0 [pid 4544] <... futex resumed>) = 0 [pid 4551] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4549] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4548] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4547] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4545] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 4553 attached [pid 4551] <... futex resumed>) = 0 [pid 4549] <... futex resumed>) = 0 [pid 4548] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4547] <... futex resumed>) = ? [pid 4545] <... exit_group resumed>) = ? [pid 4544] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4552 attached [pid 4553] set_robust_list(0x5555810c5760, 24 [pid 4551] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4549] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4548] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4547] +++ exited with 0 +++ [pid 4545] +++ exited with 0 +++ [pid 4553] <... set_robust_list resumed>) = 0 [pid 4551] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4548] <... futex resumed>) = 0 [pid 4544] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4553] rt_sigprocmask(SIG_SETMASK, [] [pid 4551] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4548] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4544] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4545, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4553] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4551] <... futex resumed>) = 0 [pid 4548] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4544] <... futex resumed>) = 1 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4549] <... futex resumed>) = 0 [pid 4553] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4551] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4548] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4549] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4544] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4553] <... prctl resumed>) = 0 [pid 4551] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4548] <... futex resumed>) = 0 [pid 4553] setpgid(0, 0 [pid 4551] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4548] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4553] <... setpgid resumed>) = 0 [pid 4551] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4549] <... mkdirat resumed>) = 0 [pid 4553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4551] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4553] <... openat resumed>) = 3 [pid 4551] <... futex resumed>) = 1 [pid 4549] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4548] <... futex resumed>) = 0 [pid 4553] write(3, "1000", 4 [pid 4551] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4549] <... futex resumed>) = 1 [pid 4548] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4544] <... futex resumed>) = 0 [pid 4553] <... write resumed>) = 4 [pid 4552] set_robust_list(0x7f85c0c359a0, 24 [pid 4551] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4549] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4548] <... futex resumed>) = 0 [pid 4544] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4553] close(3 [pid 4552] <... set_robust_list resumed>) = 0 [pid 4551] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4549] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4548] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4544] <... futex resumed>) = 0 [pid 4553] <... close resumed>) = 0 [pid 4552] rt_sigprocmask(SIG_SETMASK, [] [pid 4551] <... symlinkat resumed>) = 0 [pid 4549] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4553] write(1, "executing program\n", 18 [pid 4551] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 4544] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4553] <... write resumed>) = 18 [pid 4552] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4551] <... futex resumed>) = 1 [pid 4549] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4548] <... futex resumed>) = 0 [pid 4553] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4551] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4549] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4548] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4553] <... futex resumed>) = 0 [pid 4552] mkdirat(AT_FDCWD, "./config", 0777 [pid 4551] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4549] <... futex resumed>) = 1 [pid 4548] <... futex resumed>) = 0 [pid 4544] <... futex resumed>) = 0 [pid 4553] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4552] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4551] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4549] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4548] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4553] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4552] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4551] <... unlinkat resumed>) = 0 [pid 4549] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4544] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4553] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4552] <... futex resumed>) = 1 [pid 4551] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4550] <... futex resumed>) = 0 [pid 4549] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4544] <... futex resumed>) = 0 [pid 4553] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4551] <... futex resumed>) = 1 [pid 4550] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4548] <... futex resumed>) = 0 [pid 4553] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4552] mount(NULL, "./config", "configfs", 0, NULL [pid 4551] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4550] <... futex resumed>) = 0 [pid 4549] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4548] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4544] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4553] <... mmap resumed>) = 0x7f85c0c15000 [pid 4551] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4550] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4548] <... futex resumed>) = 0 [pid 4549] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4553] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4552] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4551] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4549] <... futex resumed>) = 1 [pid 4548] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4544] <... futex resumed>) = 0 [pid 4553] <... mprotect resumed>) = 0 [pid 4552] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4551] <... unlinkat resumed>) = 0 [pid 4549] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4544] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4553] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4552] <... futex resumed>) = 1 [pid 4551] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4550] <... futex resumed>) = 0 [pid 4549] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4553] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4551] <... futex resumed>) = 1 [pid 4550] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4548] <... futex resumed>) = 0 [pid 4544] <... futex resumed>) = 0 [pid 4553] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4552] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4551] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4550] <... futex resumed>) = 0 [pid 4549] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4548] exit_group(0 [pid 4544] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4554 attached [pid 4552] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4551] <... futex resumed>) = ? [pid 4550] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4548] <... exit_group resumed>) = ? [pid 4549] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4554] set_robust_list(0x7f85c0c359a0, 24 [pid 4553] <... clone3 resumed> => {parent_tid=[4554]}, 88) = 4554 [pid 4552] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4551] +++ exited with 0 +++ [pid 4550] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4549] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4548] +++ exited with 0 +++ [pid 4553] rt_sigprocmask(SIG_SETMASK, [] [pid 4552] <... futex resumed>) = 0 [pid 4550] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4549] <... futex resumed>) = 1 [pid 4544] <... futex resumed>) = 0 [pid 4554] <... set_robust_list resumed>) = 0 [pid 4553] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4552] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4550] <... futex resumed>) = 0 [pid 4549] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 305] <... restart_syscall resumed>) = 0 [pid 4554] rt_sigprocmask(SIG_SETMASK, [] [pid 4553] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4552] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4550] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4544] exit_group(0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4548, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4554] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4553] <... futex resumed>) = 0 [pid 4552] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4550] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4549] <... futex resumed>) = ? [pid 4544] <... exit_group resumed>) = ? [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4554] mkdirat(AT_FDCWD, "./config", 0777 [pid 4553] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4552] <... futex resumed>) = 0 [pid 4550] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4549] +++ exited with 0 +++ [pid 4554] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4550] <... futex resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 4554] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4550] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4554] <... futex resumed>) = 1 [pid 4553] <... futex resumed>) = 0 [pid 4554] mount(NULL, "./config", "configfs", 0, NULL [pid 4553] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4554] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4553] <... futex resumed>) = 0 [pid 4554] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4553] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4544] +++ exited with 0 +++ [pid 4554] <... futex resumed>) = 0 [pid 4553] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4552] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4544, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4554] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4553] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4554] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4553] <... futex resumed>) = 0 [pid 4552] <... mkdirat resumed>) = 0 [pid 4554] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4553] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4552] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4554] <... futex resumed>) = 0 [pid 4553] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4552] <... futex resumed>) = 1 [pid 4550] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4554] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4553] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4552] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4550] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4554] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4553] <... futex resumed>) = 0 [pid 4550] <... futex resumed>) = 0 [pid 4554] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4553] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4550] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4554] <... futex resumed>) = 0 [pid 4553] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4554] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4553] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4552] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4555 [pid 4554] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4553] <... futex resumed>) = 0 [pid 4552] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4554] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4553] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4554] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4554] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4553] <... futex resumed>) = 0 [pid 4554] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4553] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4554] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4553] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4554] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4553] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4552] <... symlinkat resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4556 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4554] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4552] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... restart_syscall resumed>) = 0 [pid 4554] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4552] <... futex resumed>) = 1 [pid 4550] <... futex resumed>) = 0 [pid 4554] <... futex resumed>) = 1 [pid 4553] <... futex resumed>) = 0 [pid 4552] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4550] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4554] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4553] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4552] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4550] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4554] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4553] <... futex resumed>) = 0 [pid 4552] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4550] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4554] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4553] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 4555 attached [pid 4554] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4552] <... unlinkat resumed>) = 0 [pid 4554] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4552] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4557 [pid 4554] <... futex resumed>) = 1 [pid 4553] <... futex resumed>) = 0 [pid 4552] <... futex resumed>) = 1 [pid 4550] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4554] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4553] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4552] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4550] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4556 attached [pid 4554] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4553] <... futex resumed>) = 0 [pid 4552] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4550] <... futex resumed>) = 0 [pid 4556] set_robust_list(0x5555810c5760, 24 [pid 4554] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4553] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4552] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4550] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4556] <... set_robust_list resumed>) = 0 [pid 4555] set_robust_list(0x5555810c5760, 24 [pid 4554] <... unlinkat resumed>) = 0 [pid 4556] rt_sigprocmask(SIG_SETMASK, [] [pid 4554] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4556] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4554] <... futex resumed>) = 1 [pid 4553] <... futex resumed>) = 0 [pid 4556] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4554] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4553] exit_group(0 [pid 4556] <... prctl resumed>) = 0 [pid 4554] <... futex resumed>) = ? [pid 4553] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 4557 attached [pid 4556] setpgid(0, 0 [pid 4555] <... set_robust_list resumed>) = 0 [pid 4554] +++ exited with 0 +++ [pid 4553] +++ exited with 0 +++ [pid 4552] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4556] <... setpgid resumed>) = 0 [pid 4556] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4552] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4556] write(3, "1000", 4) = 4 [pid 4556] close(3) = 0 [pid 4556] write(1, "executing program\n", 18) = 18 executing program [pid 4556] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4556] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4556] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4556] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4556] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4556] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4556] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4552] <... futex resumed>) = 1 [pid 4550] <... futex resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4553, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4552] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4550] exit_group(0 [pid 4556] <... clone3 resumed> => {parent_tid=[4558]}, 88) = 4558 [pid 4550] <... exit_group resumed>) = ? [pid 4556] rt_sigprocmask(SIG_SETMASK, [] [pid 4552] <... futex resumed>) = ? [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 4558 attached [pid 4557] set_robust_list(0x5555810c5760, 24 [pid 4556] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4555] rt_sigprocmask(SIG_SETMASK, [] [pid 4556] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4552] +++ exited with 0 +++ [pid 4550] +++ exited with 0 +++ [pid 4555] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4556] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4550, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4558] set_robust_list(0x7f85c0c359a0, 24 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4558] <... set_robust_list resumed>) = 0 [pid 4557] <... set_robust_list resumed>) = 0 [pid 4558] rt_sigprocmask(SIG_SETMASK, [] [pid 4557] rt_sigprocmask(SIG_SETMASK, [] [pid 4558] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4558] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 304] <... restart_syscall resumed>) = 0 [pid 4557] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4555] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4558] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4555] <... prctl resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4558] <... futex resumed>) = 1 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4556] <... futex resumed>) = 0 [pid 4555] setpgid(0, 0 [pid 4556] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4558] mount(NULL, "./config", "configfs", 0, NULL [pid 4556] <... futex resumed>) = 0 [pid 4557] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4558] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4557] <... prctl resumed>) = 0 [pid 4557] setpgid(0, 0) = 0 [pid 4556] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4555] <... setpgid resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4559 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4555] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4558] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4558] <... futex resumed>) = 1 [pid 4556] <... futex resumed>) = 0 [pid 4556] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4558] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4556] <... futex resumed>) = 0 [pid 4555] <... openat resumed>) = 3 [pid 4556] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4557] <... openat resumed>) = 3 [pid 4555] write(3, "1000", 4 [pid 4558] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4558] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4556] <... futex resumed>) = 0 [pid 4555] <... write resumed>) = 4 [pid 4556] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4558] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4556] <... futex resumed>) = 0 [pid 4555] close(3 [pid 4556] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4555] <... close resumed>) = 0 [pid 4558] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4557] write(3, "1000", 4) = 4 [pid 4558] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4557] close(3 [pid 312] <... restart_syscall resumed>) = 0 [pid 4555] write(1, "executing program\n", 18 [pid 4557] <... close resumed>) = 0 [pid 4558] <... futex resumed>) = 1 [pid 4556] <... futex resumed>) = 0 [pid 4555] <... write resumed>) = 18 executing program [pid 4556] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4556] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4556] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4555] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4558] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4557] write(1, "executing program\n", 18 [pid 4558] <... mkdirat resumed>) = 0 [pid 4557] <... write resumed>) = 18 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4560 [pid 4555] <... futex resumed>) = 0 [pid 4557] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4555] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4555] <... rt_sigaction resumed>, NULL, 8) = 0 executing program [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4557] <... futex resumed>) = 0 [pid 4555] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4557] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4557] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4557] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4557] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4558] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4556] <... futex resumed>) = 0 [pid 4555] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4556] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4558] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4556] <... futex resumed>) = 0 [pid 4555] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0ci2-android-5-15/strace-static-x86_64: Process 4560 attached [pid 4558] <... symlinkat resumed>) = 0 [pid 4557] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4556] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4558] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4557] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4555] <... mmap resumed>) = 0x7f85c0c15000 [pid 4558] <... futex resumed>) = 1 [pid 4557] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4558] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4556] <... futex resumed>) = 0 [pid 4555] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4558] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4557] <... clone3 resumed> => {parent_tid=[4561]}, 88) = 4561 [pid 4556] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4558] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4557] rt_sigprocmask(SIG_SETMASK, [] [pid 4556] <... futex resumed>) = 0 [pid 4555] <... mprotect resumed>) = 0 [pid 4558] <... unlinkat resumed>) = 0 [pid 4557] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4556] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4555] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4558] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4557] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4555] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4558] <... futex resumed>) = 1 [pid 4557] <... futex resumed>) = 0 [pid 4556] <... futex resumed>) = 0 [pid 4555] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4556] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4558] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4557] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4558] <... unlinkat resumed>) = 0 [pid 4556] <... futex resumed>) = 0 [pid 4560] set_robust_list(0x5555810c5760, 24 [pid 4556] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4555] <... clone3 resumed> => {parent_tid=[4562]}, 88) = 4562 [pid 4558] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4555] rt_sigprocmask(SIG_SETMASK, [] [pid 4558] <... futex resumed>) = 1 [pid 4556] <... futex resumed>) = 0 [pid 4555] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4558] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 4559 attached [pid 4556] exit_group(0 [pid 4555] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4556] <... exit_group resumed>) = ? [pid 4555] <... futex resumed>) = 0 [pid 4558] <... futex resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 4562 attached [pid 4560] <... set_robust_list resumed>) = 0 [pid 4558] +++ exited with 0 +++ [pid 4556] +++ exited with 0 +++ [pid 4555] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4559] set_robust_list(0x5555810c5760, 24 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4556, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4559] <... set_robust_list resumed>) = 0 [pid 4559] rt_sigprocmask(SIG_SETMASK, [] [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4559] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4559] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4559] setpgid(0, 0) = 0 [pid 4559] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4560] rt_sigprocmask(SIG_SETMASK, [] [pid 4559] write(3, "1000", 4) = 4 [pid 4559] close(3ci2-android-5-15/strace-static-x86_64: Process 4561 attached ) = 0 [pid 4561] set_robust_list(0x7f85c0c359a0, 24 [pid 4559] write(1, "executing program\n", 18 executing program [pid 4561] <... set_robust_list resumed>) = 0 [pid 4559] <... write resumed>) = 18 [pid 4561] rt_sigprocmask(SIG_SETMASK, [] [pid 4559] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4561] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4559] <... futex resumed>) = 0 [pid 4561] mkdirat(AT_FDCWD, "./config", 0777 [pid 4559] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4561] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4559] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4561] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4559] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4561] <... futex resumed>) = 1 [pid 4559] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4557] <... futex resumed>) = 0 [pid 4561] mount(NULL, "./config", "configfs", 0, NULL [pid 4559] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4557] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4561] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4560] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4559] <... mmap resumed>) = 0x7f85c0c15000 [pid 4557] <... futex resumed>) = 0 [pid 4561] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4559] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4557] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4561] <... futex resumed>) = 0 [pid 4559] <... mprotect resumed>) = 0 [pid 4557] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4561] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4559] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4557] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4561] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4559] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4557] <... futex resumed>) = 0 [pid 4561] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4560] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4559] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4557] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4561] <... futex resumed>) = 0 [pid 4557] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4561] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4559] <... clone3 resumed> => {parent_tid=[4563]}, 88) = 4563 [pid 4557] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4561] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4560] <... prctl resumed>) = 0 [pid 4559] rt_sigprocmask(SIG_SETMASK, [] [pid 4557] <... futex resumed>) = 0 [pid 4561] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4559] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4557] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4561] <... futex resumed>) = 0 [pid 4560] setpgid(0, 0 [pid 4559] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4557] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4561] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4559] <... futex resumed>) = 0 [pid 4557] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4561] <... mkdirat resumed>) = 0 [pid 4560] <... setpgid resumed>) = 0 [pid 4562] set_robust_list(0x7f85c0c359a0, 24 [pid 4559] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4557] <... futex resumed>) = 0 [pid 4561] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4557] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4561] <... futex resumed>) = 0 [pid 4557] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4561] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4560] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4557] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4561] <... symlinkat resumed>) = 0 [pid 4557] <... futex resumed>) = 0 [pid 4561] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4557] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4561] <... futex resumed>) = 0 [pid 4560] <... openat resumed>) = 3 [pid 4557] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4561] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4557] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4561] <... unlinkat resumed>) = 0 [pid 4557] <... futex resumed>) = 0 [pid 4561] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4557] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4561] <... futex resumed>) = 0 [pid 4557] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4561] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4557] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4561] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4560] write(3, "1000", 4 [pid 4557] <... futex resumed>) = 0 [pid 4561] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4557] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4562] <... set_robust_list resumed>) = 0 [pid 4561] <... unlinkat resumed>) = 0 [pid 4560] <... write resumed>) = 4 [pid 311] <... restart_syscall resumed>) = 0 [pid 4561] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4557] <... futex resumed>) = 0 [pid 4562] rt_sigprocmask(SIG_SETMASK, [] [pid 4561] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4560] close(3 [pid 4557] exit_group(0 [pid 4562] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4561] <... futex resumed>) = ? [pid 4560] <... close resumed>) = 0 [pid 4557] <... exit_group resumed>) = ? [pid 4562] mkdirat(AT_FDCWD, "./config", 0777 [pid 4561] +++ exited with 0 +++ [pid 4560] write(1, "executing program\n", 18 [pid 4557] +++ exited with 0 +++ [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4562] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 4560] <... write resumed>) = 18 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4560] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4562] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4560] <... futex resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4557, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- ci2-android-5-15/strace-static-x86_64: Process 4563 attached [pid 4563] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4563] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4563] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4564 [pid 4560] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4562] <... futex resumed>) = 1 [pid 4560] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4555] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4562] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4560] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4555] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... restart_syscall resumed>) = 0 [pid 4562] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4560] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4555] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4562] mount(NULL, "./config", "configfs", 0, NULL [pid 4560] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4555] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4563] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4560] <... mmap resumed>) = 0x7f85c0c15000 [pid 4559] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4563] mount(NULL, "./config", "configfs", 0, NULL [pid 4562] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4560] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4559] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4563] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4562] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4560] <... mprotect resumed>) = 0 [pid 4559] <... futex resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4563] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4559] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4563] <... futex resumed>) = 0 [pid 4559] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4563] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4559] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4563] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4559] <... futex resumed>) = 0 [pid 4563] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4559] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4563] <... futex resumed>) = 0 [pid 4559] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4563] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4559] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4563] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4560] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4559] <... futex resumed>) = 0 [pid 4555] <... futex resumed>) = 0 [pid 4562] <... futex resumed>) = 1 [pid 4563] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4560] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4559] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4555] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4565 [pid 4563] <... futex resumed>) = 0 [pid 4562] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4560] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4559] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4563] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4559] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4555] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4564 attached [pid 4563] <... mkdirat resumed>) = 0 [pid 4562] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4559] <... futex resumed>) = 0 [pid 4555] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4564] set_robust_list(0x5555810c5760, 24 [pid 4563] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4562] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4560] <... clone3 resumed> => {parent_tid=[4566]}, 88) = 4566 [pid 4559] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4564] <... set_robust_list resumed>) = 0 [pid 4563] <... futex resumed>) = 0 [pid 4562] <... futex resumed>) = 1 [pid 4560] rt_sigprocmask(SIG_SETMASK, [] [pid 4559] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4555] <... futex resumed>) = 0 [pid 4564] rt_sigprocmask(SIG_SETMASK, [] [pid 4563] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4562] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4560] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4559] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4555] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4564] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4563] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4562] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4560] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4559] <... futex resumed>) = 0 [pid 4555] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4566 attached [pid 4564] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4563] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4559] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4566] set_robust_list(0x7f85c0c359a0, 24 [pid 4564] <... prctl resumed>) = 0 [pid 4563] <... symlinkat resumed>) = 0 [pid 4562] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4560] <... futex resumed>) = 0 [pid 4555] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4564] setpgid(0, 0 [pid 4563] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4562] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4560] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4564] <... setpgid resumed>) = 0 [pid 4563] <... futex resumed>) = 1 [pid 4562] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4559] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4565 attached [pid 4564] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4563] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4562] <... futex resumed>) = 1 [pid 4559] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4555] <... futex resumed>) = 0 [pid 4566] <... set_robust_list resumed>) = 0 [pid 4565] set_robust_list(0x5555810c5760, 24 [pid 4564] <... openat resumed>) = 3 [pid 4563] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4559] <... futex resumed>) = 0 [pid 4565] <... set_robust_list resumed>) = 0 [pid 4564] write(3, "1000", 4 [pid 4563] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4562] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4559] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4555] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4566] rt_sigprocmask(SIG_SETMASK, [] [pid 4565] rt_sigprocmask(SIG_SETMASK, [] [pid 4564] <... write resumed>) = 4 [pid 4563] <... unlinkat resumed>) = 0 [pid 4562] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4555] <... futex resumed>) = 0 [pid 4565] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4564] close(3 [pid 4563] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4562] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4555] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4566] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4565] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4564] <... close resumed>) = 0 [pid 4563] <... futex resumed>) = 1 [pid 4559] <... futex resumed>) = 0 [pid 4565] <... prctl resumed>) = 0 [pid 4564] write(1, "executing program\n", 18 [pid 4563] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4562] <... futex resumed>) = 0 executing program [pid 4559] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4555] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4566] mkdirat(AT_FDCWD, "./config", 0777 [pid 4565] setpgid(0, 0 [pid 4564] <... write resumed>) = 18 [pid 4563] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4562] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4559] <... futex resumed>) = 0 [pid 4555] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4566] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4565] <... setpgid resumed>) = 0 [pid 4564] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4563] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4562] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4559] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4555] <... futex resumed>) = 0 [pid 4566] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4564] <... futex resumed>) = 0 [pid 4566] <... futex resumed>) = 1 [pid 4565] <... openat resumed>) = 3 [pid 4564] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4563] <... unlinkat resumed>) = 0 [pid 4562] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4560] <... futex resumed>) = 0 [pid 4555] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4566] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4565] write(3, "1000", 4 [pid 4564] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4563] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4566] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4565] <... write resumed>) = 4 [pid 4564] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4562] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4560] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4563] <... futex resumed>) = 1 [pid 4559] <... futex resumed>) = 0 [pid 4566] mount(NULL, "./config", "configfs", 0, NULL [pid 4565] close(3 [pid 4564] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4563] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4562] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4560] <... futex resumed>) = 0 [pid 4559] exit_group(0 [pid 4565] <... close resumed>) = 0 [pid 4564] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4559] <... exit_group resumed>) = ? [pid 4566] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4565] write(1, "executing program\n", 18 [pid 4564] <... mmap resumed>) = 0x7f85c0c15000 [pid 4563] <... futex resumed>) = ? [pid 4562] <... futex resumed>) = 1 [pid 4560] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4555] <... futex resumed>) = 0 [pid 4565] <... write resumed>) = 18 [pid 4564] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4565] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4564] <... mprotect resumed>) = 0 [pid 4565] <... futex resumed>) = 0 [pid 4564] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4565] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4564] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4565] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4564] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} executing program [pid 4565] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4563] +++ exited with 0 +++ [pid 4559] +++ exited with 0 +++ [pid 4562] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4555] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4566] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4565] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4564] <... clone3 resumed> => {parent_tid=[4567]}, 88) = 4567 [pid 4562] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4555] <... futex resumed>) = 0 [pid 4566] <... futex resumed>) = 1 [pid 4565] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4564] rt_sigprocmask(SIG_SETMASK, [] [pid 4562] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4560] <... futex resumed>) = 0 [pid 4555] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4559, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4566] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4565] <... mmap resumed>) = 0x7f85c0c15000 [pid 4564] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4562] <... futex resumed>) = 0 [pid 4560] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4555] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4566] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4565] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4564] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4562] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4560] <... futex resumed>) = 0 [pid 4555] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4566] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4565] <... mprotect resumed>) = 0 [pid 4564] <... futex resumed>) = 0 [pid 4562] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4560] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4555] <... futex resumed>) = 0 [pid 4566] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4565] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4564] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4562] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4555] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4565] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4565] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4566] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4562] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) ci2-android-5-15/strace-static-x86_64: Process 4568 attached [pid 4566] <... futex resumed>) = 1 [pid 4565] <... clone3 resumed> => {parent_tid=[4568]}, 88) = 4568 [pid 4560] <... futex resumed>) = 0 [pid 4566] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4565] rt_sigprocmask(SIG_SETMASK, [] [pid 4562] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4560] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4566] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4565] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4562] <... futex resumed>) = 1 [pid 4560] <... futex resumed>) = 0 [pid 4555] <... futex resumed>) = 0 [pid 4566] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4565] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4562] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4560] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4565] <... futex resumed>) = 0 [pid 4555] exit_group(0 [pid 4566] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4565] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4566] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4562] <... futex resumed>) = ? [pid 4555] <... exit_group resumed>) = ? [pid 4566] <... futex resumed>) = 1 [pid 4560] <... futex resumed>) = 0 [pid 4562] +++ exited with 0 +++ [pid 4560] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4567 attached [pid 4567] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4567] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4567] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4555] +++ exited with 0 +++ [pid 4567] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4564] <... futex resumed>) = 0 [pid 4564] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4560] <... futex resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4555, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4566] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4564] <... futex resumed>) = 0 [pid 4560] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4564] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4567] <... futex resumed>) = 1 [pid 4567] mount(NULL, "./config", "configfs", 0, NULL [pid 4566] <... mkdirat resumed>) = 0 [pid 4566] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4566] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4560] <... futex resumed>) = 0 [pid 4567] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4560] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4567] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4564] <... futex resumed>) = 0 [pid 4566] <... futex resumed>) = 0 [pid 4564] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4560] <... futex resumed>) = 1 [pid 4566] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4564] <... futex resumed>) = 0 [pid 4560] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4564] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4566] <... symlinkat resumed>) = 0 [pid 4567] <... futex resumed>) = 1 [pid 4566] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4567] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4566] <... futex resumed>) = 1 [pid 4560] <... futex resumed>) = 0 [pid 4566] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4560] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4566] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4560] <... futex resumed>) = 0 [pid 4566] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4560] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4567] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4567] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4566] <... unlinkat resumed>) = 0 [pid 4567] <... futex resumed>) = 1 [pid 4566] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4564] <... futex resumed>) = 0 [pid 4567] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4566] <... futex resumed>) = 1 [pid 4564] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4560] <... futex resumed>) = 0 [pid 4567] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4566] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4564] <... futex resumed>) = 0 [pid 4567] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4566] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4564] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4560] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4567] <... futex resumed>) = 0 [pid 4566] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4564] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4567] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4564] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4560] <... futex resumed>) = 0 [pid 4567] <... mkdirat resumed>) = 0 [pid 4566] <... unlinkat resumed>) = 0 [pid 4564] <... futex resumed>) = 0 [pid 4567] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4566] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4564] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4560] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4567] <... futex resumed>) = 0 [pid 4566] <... futex resumed>) = 0 [pid 4564] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4567] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4566] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4564] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4560] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4567] <... symlinkat resumed>) = 0 [pid 4564] <... futex resumed>) = 0 [pid 4567] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4564] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4567] <... futex resumed>) = 0 [pid 4564] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4560] exit_group(0 [pid 4567] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4564] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4567] <... unlinkat resumed>) = 0 [pid 4566] <... futex resumed>) = ? [pid 4564] <... futex resumed>) = 0 [pid 4560] <... exit_group resumed>) = ? [pid 4567] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4564] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4567] <... futex resumed>) = 0 [pid 4564] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4567] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4566] +++ exited with 0 +++ [pid 4564] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4567] <... unlinkat resumed>) = 0 [pid 4564] <... futex resumed>) = 0 [pid 4567] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4564] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4567] <... futex resumed>) = 0 [pid 4564] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4567] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4564] exit_group(0 [pid 4567] <... futex resumed>) = ? [pid 4564] <... exit_group resumed>) = ? [pid 4560] +++ exited with 0 +++ [pid 4568] set_robust_list(0x7f85c0c359a0, 24 [pid 4567] +++ exited with 0 +++ [pid 4564] +++ exited with 0 +++ [pid 304] <... restart_syscall resumed>) = 0 [pid 4568] <... set_robust_list resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4560, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4564, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4568] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4568] mkdirat(AT_FDCWD, "./config", 0777 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4568] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4568] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4568] <... futex resumed>) = 1 [pid 4565] <... futex resumed>) = 0 [pid 4568] mount(NULL, "./config", "configfs", 0, NULL [pid 4565] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4568] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4565] <... futex resumed>) = 0 [pid 4568] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4565] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4568] <... futex resumed>) = 0 [pid 4565] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4568] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4565] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4569 [pid 4568] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4565] <... futex resumed>) = 0 [pid 4568] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4565] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4568] <... futex resumed>) = 0 [pid 4565] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4568] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4565] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4568] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4565] <... futex resumed>) = 0 [pid 4568] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4565] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4568] <... futex resumed>) = 0 [pid 4565] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4568] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4565] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4569 attached [pid 4568] <... mkdirat resumed>) = 0 [pid 4565] <... futex resumed>) = 0 [pid 4569] set_robust_list(0x5555810c5760, 24 [pid 4568] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4565] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4569] <... set_robust_list resumed>) = 0 [pid 4568] <... futex resumed>) = 0 [pid 4565] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4569] rt_sigprocmask(SIG_SETMASK, [] [pid 4568] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4565] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4569] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4568] <... symlinkat resumed>) = 0 [pid 4565] <... futex resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 4569] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4568] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4565] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4569] <... prctl resumed>) = 0 [pid 4568] <... futex resumed>) = 0 [pid 4565] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4569] setpgid(0, 0 [pid 4568] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4565] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4569] <... setpgid resumed>) = 0 [pid 4568] <... unlinkat resumed>) = 0 [pid 4565] <... futex resumed>) = 0 [pid 4569] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4568] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4565] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4569] <... openat resumed>) = 3 [pid 4568] <... futex resumed>) = 0 [pid 4565] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4569] write(3, "1000", 4 [pid 4568] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4565] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4569] <... write resumed>) = 4 [pid 4568] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4565] <... futex resumed>) = 0 [pid 4569] close(3 [pid 4568] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4565] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4569] <... close resumed>) = 0 [pid 4568] <... unlinkat resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4570 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4569] write(1, "executing program\n", 18 [pid 4568] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 4569] <... write resumed>) = 18 [pid 4568] <... futex resumed>) = 1 [pid 4565] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4571 [pid 4569] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4568] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4565] exit_group(0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4569] <... futex resumed>) = 0 [pid 4568] <... futex resumed>) = ? [pid 4565] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 4572 attached ci2-android-5-15/strace-static-x86_64: Process 4571 attached [pid 4569] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4568] +++ exited with 0 +++ [pid 4565] +++ exited with 0 +++ [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4569] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4569] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4569] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4569] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4569] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4569] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[4573]}, 88) = 4573 [pid 4569] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4569] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4569] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4570 attached [pid 4570] set_robust_list(0x5555810c5760, 24) = 0 [pid 4570] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4570] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4570] setpgid(0, 0) = 0 [pid 4570] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4570] write(3, "1000", 4) = 4 [pid 4570] close(3 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4572 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4570] <... close resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4570] write(1, "executing program\n", 18) = 18 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4565, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4570] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4570] <... futex resumed>) = 0 executing program [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4570] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4570] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4570] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4570] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4570] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4570] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4570] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4574 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4570] <... clone3 resumed> => {parent_tid=[4575]}, 88) = 4575 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4570] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4570] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4570] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4573 attached [pid 4573] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4573] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4573] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4573] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4569] <... futex resumed>) = 0 [pid 4569] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4571] set_robust_list(0x5555810c5760, 24 [pid 4569] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4573] <... futex resumed>) = 1 [pid 4571] <... set_robust_list resumed>) = 0 [pid 4573] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 4571] rt_sigprocmask(SIG_SETMASK, [] [pid 4573] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4569] <... futex resumed>) = 0 [pid 4569] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4569] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4573] <... futex resumed>) = 1 [pid 4573] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4573] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4569] <... futex resumed>) = 0 [pid 4573] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4569] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4573] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4569] <... futex resumed>) = 0 [pid 4573] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4569] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4573] <... futex resumed>) = 0 [pid 4569] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4573] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4569] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4573] <... mkdirat resumed>) = 0 [pid 4569] <... futex resumed>) = 0 [pid 4573] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4569] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4573] <... futex resumed>) = 0 [pid 4569] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4573] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4569] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4574 attached [pid 4573] <... symlinkat resumed>) = 0 [pid 4572] set_robust_list(0x5555810c5760, 24 [pid 4571] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4569] <... futex resumed>) = 0 [pid 4573] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4569] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4573] <... futex resumed>) = 0 [pid 4569] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4573] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4569] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4573] <... unlinkat resumed>) = 0 [pid 4569] <... futex resumed>) = 0 [pid 4573] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4571] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4569] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4573] <... futex resumed>) = 0 [pid 4569] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4573] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4569] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4573] <... unlinkat resumed>) = 0 [pid 4569] <... futex resumed>) = 0 [pid 4573] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4572] <... set_robust_list resumed>) = 0 [pid 4571] <... prctl resumed>) = 0 [pid 4569] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4573] <... futex resumed>) = 0 [pid 4569] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4573] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4569] exit_group(0 [pid 4573] <... futex resumed>) = ? [pid 4569] <... exit_group resumed>) = ? [pid 4574] set_robust_list(0x5555810c5760, 24 [pid 4573] +++ exited with 0 +++ [pid 4572] rt_sigprocmask(SIG_SETMASK, [] [pid 4571] setpgid(0, 0 [pid 4569] +++ exited with 0 +++ [pid 4571] <... setpgid resumed>) = 0 [pid 4572] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4575 attached [pid 4575] set_robust_list(0x7f85c0c359a0, 24 [pid 4571] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4569, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4572] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4575] <... set_robust_list resumed>) = 0 [pid 4575] rt_sigprocmask(SIG_SETMASK, [] [pid 4571] <... openat resumed>) = 3 [pid 4572] <... prctl resumed>) = 0 [pid 4571] write(3, "1000", 4 [pid 4575] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4571] <... write resumed>) = 4 [pid 4572] setpgid(0, 0 executing program [pid 4571] close(3 [pid 4575] mkdirat(AT_FDCWD, "./config", 0777 [pid 4572] <... setpgid resumed>) = 0 [pid 4571] <... close resumed>) = 0 [pid 4575] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4571] write(1, "executing program\n", 18 [pid 4575] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4572] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4571] <... write resumed>) = 18 [pid 4570] <... futex resumed>) = 0 [pid 4571] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4570] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4570] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4572] <... openat resumed>) = 3 [pid 4571] <... futex resumed>) = 0 [pid 4575] <... futex resumed>) = 1 [pid 4572] write(3, "1000", 4 [pid 4571] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4575] mount(NULL, "./config", "configfs", 0, NULL [pid 4571] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4572] <... write resumed>) = 4 [pid 4571] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4575] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4572] close(3 [pid 4571] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4575] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4571] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4572] <... close resumed>) = 0 [pid 4575] <... futex resumed>) = 1 [pid 4572] write(1, "executing program\n", 18 [pid 4571] <... mmap resumed>) = 0x7f85c0c15000 [pid 4570] <... futex resumed>) = 0 [pid 4575] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4572] <... write resumed>) = 18 [pid 4571] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE executing program [pid 4570] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4575] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4572] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4571] <... mprotect resumed>) = 0 [pid 4570] <... futex resumed>) = 0 [pid 4575] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4570] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4575] <... futex resumed>) = 0 [pid 4572] <... futex resumed>) = 0 [pid 4571] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4570] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4575] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4574] <... set_robust_list resumed>) = 0 [pid 4572] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4571] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4570] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4575] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4572] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4571] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4570] <... futex resumed>) = 0 [pid 4575] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4572] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4570] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4575] <... futex resumed>) = 0 [pid 4570] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4575] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4570] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4575] <... mkdirat resumed>) = 0 [pid 4572] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4570] <... futex resumed>) = 0 [pid 4575] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4570] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4571] <... clone3 resumed> => {parent_tid=[4576]}, 88) = 4576 [pid 4575] <... futex resumed>) = 0 [pid 4572] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4571] rt_sigprocmask(SIG_SETMASK, [] [pid 4570] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4575] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4572] <... mmap resumed>) = 0x7f85c0c15000 [pid 4571] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4570] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4575] <... symlinkat resumed>) = 0 [pid 4574] rt_sigprocmask(SIG_SETMASK, [] [pid 4572] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4571] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4570] <... futex resumed>) = 0 [pid 4575] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4570] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4575] <... futex resumed>) = 0 [pid 4570] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4575] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4574] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4572] <... mprotect resumed>) = 0 [pid 4571] <... futex resumed>) = 0 [pid 4570] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4575] <... unlinkat resumed>) = 0 [pid 4570] <... futex resumed>) = 0 [pid 4575] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4572] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4571] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4570] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4575] <... futex resumed>) = 0 [pid 4574] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4572] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4570] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4575] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4574] <... prctl resumed>) = 0 [pid 4572] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4570] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4575] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4570] <... futex resumed>) = 0 [pid 4575] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4570] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4575] <... unlinkat resumed>) = 0 [pid 4574] setpgid(0, 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 4575] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4574] <... setpgid resumed>) = 0 [pid 4572] <... clone3 resumed> => {parent_tid=[4577]}, 88) = 4577 [pid 4575] <... futex resumed>) = 1 [pid 4572] rt_sigprocmask(SIG_SETMASK, [] [pid 4570] <... futex resumed>) = 0 [pid 4575] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4574] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4570] exit_group(0 [pid 4572] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4575] <... futex resumed>) = ? [pid 4570] <... exit_group resumed>) = ? [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4575] +++ exited with 0 +++ [pid 4574] <... openat resumed>) = 3 [pid 4572] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4570] +++ exited with 0 +++ [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4574] write(3, "1000", 4 [pid 4572] <... futex resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4572] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4570, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 4576 attached [pid 4576] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4576] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4576] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4578 [pid 4574] <... write resumed>) = 4 [pid 4576] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4574] close(3 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4576] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4574] <... close resumed>) = 0 [pid 4576] <... futex resumed>) = 1 [pid 4571] <... futex resumed>) = 0 [pid 4574] write(1, "executing program\n", 18 [pid 4571] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4576] mount(NULL, "./config", "configfs", 0, NULL [pid 4571] <... futex resumed>) = 0 [pid 4574] <... write resumed>) = 18 executing program [pid 4571] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4576] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4574] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4576] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4574] <... futex resumed>) = 0 [pid 4571] <... futex resumed>) = 0 [pid 4576] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4574] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4571] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4576] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4574] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4571] <... futex resumed>) = 0 [pid 4576] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4574] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4571] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4576] <... futex resumed>) = 0 [pid 4574] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4571] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4576] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4571] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4574] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4571] <... futex resumed>) = 0 [pid 4576] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4571] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4574] <... mmap resumed>) = 0x7f85c0c15000 [pid 4576] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4574] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4576] <... futex resumed>) = 1 [pid 4571] <... futex resumed>) = 0 [pid 4574] <... mprotect resumed>) = 0 [pid 4571] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4576] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4571] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4577 attached [pid 4576] <... mkdirat resumed>) = 0 [pid 4574] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4571] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4577] set_robust_list(0x7f85c0c359a0, 24 [pid 4576] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4574] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4571] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4574] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4571] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4578 attached [pid 4577] <... set_robust_list resumed>) = 0 [pid 4576] <... futex resumed>) = 0 [pid 4571] <... futex resumed>) = 0 [pid 4578] set_robust_list(0x5555810c5760, 24 [pid 4577] rt_sigprocmask(SIG_SETMASK, [] [pid 4576] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4571] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4578] <... set_robust_list resumed>) = 0 [pid 4577] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4576] <... symlinkat resumed>) = 0 [pid 4574] <... clone3 resumed> => {parent_tid=[4579]}, 88) = 4579 [pid 4578] rt_sigprocmask(SIG_SETMASK, [] [pid 4577] mkdirat(AT_FDCWD, "./config", 0777 [pid 4576] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4574] rt_sigprocmask(SIG_SETMASK, [] [pid 4578] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4577] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4576] <... futex resumed>) = 1 [pid 4574] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4571] <... futex resumed>) = 0 [pid 4578] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4577] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4576] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4574] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4571] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4578] <... prctl resumed>) = 0 [pid 4577] <... futex resumed>) = 1 [pid 4576] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4574] <... futex resumed>) = 0 [pid 4572] <... futex resumed>) = 0 [pid 4571] <... futex resumed>) = 0 [pid 4578] setpgid(0, 0 [pid 4577] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4576] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4574] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4572] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4578] <... setpgid resumed>) = 0 [pid 4577] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4576] <... unlinkat resumed>) = 0 [pid 4571] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4578] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4577] mount(NULL, "./config", "configfs", 0, NULL [pid 4576] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4572] <... futex resumed>) = 0 [pid 4571] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4578] <... openat resumed>) = 3 [pid 4577] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4576] <... futex resumed>) = 0 [pid 4572] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4571] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4578] write(3, "1000", 4 [pid 4577] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4576] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4572] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4571] <... futex resumed>) = 0 [pid 4578] <... write resumed>) = 4 [pid 4577] <... futex resumed>) = 0 [pid 4576] <... unlinkat resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 4578] close(3 [pid 4577] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4576] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4572] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4571] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4579 attached [pid 4578] <... close resumed>) = 0 [pid 4577] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4576] <... futex resumed>) = 0 [pid 4578] write(1, "executing program\n", 18 [pid 4577] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 4576] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4572] <... futex resumed>) = 0 [pid 4571] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4578] <... write resumed>) = 18 [pid 4577] <... futex resumed>) = 0 [pid 4572] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4578] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4577] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4572] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4571] exit_group(0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4578] <... futex resumed>) = 0 [pid 4576] <... futex resumed>) = ? [pid 4572] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4578] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4576] +++ exited with 0 +++ [pid 4577] <... futex resumed>) = 0 [pid 4572] <... futex resumed>) = 1 [pid 4571] <... exit_group resumed>) = ? [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4578] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4577] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4572] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4578] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4577] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4578] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4577] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4578] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4577] <... futex resumed>) = 0 [pid 4578] <... mmap resumed>) = 0x7f85c0c15000 [pid 4577] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4578] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4571] +++ exited with 0 +++ [pid 4578] <... mprotect resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4572] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4578] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4578] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[4580]}, 88) = 4580 [pid 4578] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4578] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4572] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4578] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4581 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4571, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4577] <... futex resumed>) = 0 [pid 4572] <... futex resumed>) = 1 [pid 4578] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4577] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4572] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 4581 attached [pid 4579] set_robust_list(0x7f85c0c359a0, 24 [pid 4577] <... mkdirat resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4579] <... set_robust_list resumed>) = 0 [pid 4577] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4579] rt_sigprocmask(SIG_SETMASK, [] [pid 4577] <... futex resumed>) = 1 [pid 4572] <... futex resumed>) = 0 [pid 4579] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4577] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4572] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4579] mkdirat(AT_FDCWD, "./config", 0777 [pid 4577] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4572] <... futex resumed>) = 0 [pid 4579] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4577] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4572] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4579] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4577] <... symlinkat resumed>) = 0 [pid 4579] <... futex resumed>) = 1 [pid 4577] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4579] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4577] <... futex resumed>) = 0 [pid 4574] <... futex resumed>) = 0 [pid 4572] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4577] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4574] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4572] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4577] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4574] <... futex resumed>) = 1 [pid 4579] <... futex resumed>) = 0 [pid 4577] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4579] mount(NULL, "./config", "configfs", 0, NULL [pid 4577] <... unlinkat resumed>) = 0 [pid 4574] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4572] <... futex resumed>) = 0 [pid 4579] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4577] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4572] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4579] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4577] <... futex resumed>) = 0 [pid 4579] <... futex resumed>) = 1 [pid 4577] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4572] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4574] <... futex resumed>) = 0 [pid 4579] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4574] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4572] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4574] <... futex resumed>) = 0 [pid 4579] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4577] <... futex resumed>) = 0 [pid 4574] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4572] <... futex resumed>) = 1 [pid 4579] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4577] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4579] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4577] <... unlinkat resumed>) = 0 [pid 4572] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4581] set_robust_list(0x5555810c5760, 24 [pid 4579] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4577] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4572] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4579] <... futex resumed>) = 1 [pid 4577] <... futex resumed>) = 0 [pid 4579] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4577] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 4580 attached [pid 4574] <... futex resumed>) = 0 [pid 4581] <... set_robust_list resumed>) = 0 [pid 4574] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4572] exit_group(0 [pid 4579] <... futex resumed>) = 0 [pid 4574] <... futex resumed>) = 1 [pid 4579] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4577] <... futex resumed>) = ? [pid 4572] <... exit_group resumed>) = ? [pid 4581] rt_sigprocmask(SIG_SETMASK, [] [pid 4579] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4577] +++ exited with 0 +++ [pid 4574] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4579] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4579] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4580] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4580] rt_sigprocmask(SIG_SETMASK, [] [pid 4572] +++ exited with 0 +++ [pid 4574] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4581] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4574] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4580] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4579] <... futex resumed>) = 0 [pid 4574] <... futex resumed>) = 1 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4572, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4581] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4580] mkdirat(AT_FDCWD, "./config", 0777 [pid 4579] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4574] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4581] <... prctl resumed>) = 0 [pid 4580] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4579] <... mkdirat resumed>) = 0 [pid 4580] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4579] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4581] setpgid(0, 0 [pid 4580] <... futex resumed>) = 1 [pid 4579] <... futex resumed>) = 1 [pid 4578] <... futex resumed>) = 0 [pid 4574] <... futex resumed>) = 0 [pid 4580] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4579] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4578] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4574] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4581] <... setpgid resumed>) = 0 [pid 4580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4579] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4578] <... futex resumed>) = 0 [pid 4580] mount(NULL, "./config", "configfs", 0, NULL [pid 4579] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4578] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4574] <... futex resumed>) = 0 [pid 4581] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4580] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4579] <... symlinkat resumed>) = 0 [pid 4580] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4579] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4574] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4581] <... openat resumed>) = 3 [pid 4580] <... futex resumed>) = 1 [pid 4579] <... futex resumed>) = 0 [pid 4578] <... futex resumed>) = 0 [pid 4574] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4580] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4579] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4578] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4574] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4581] write(3, "1000", 4 [pid 4580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4579] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4578] <... futex resumed>) = 0 [pid 4581] <... write resumed>) = 4 [pid 4580] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4579] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4578] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4574] <... futex resumed>) = 0 [pid 4580] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4579] <... unlinkat resumed>) = 0 [pid 4574] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4581] close(3 [pid 4580] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4579] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4580] <... futex resumed>) = 1 [pid 4579] <... futex resumed>) = 0 [pid 4578] <... futex resumed>) = 0 [pid 4574] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4580] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4579] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4578] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4574] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4581] <... close resumed>) = 0 [pid 4580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4579] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4578] <... futex resumed>) = 0 [pid 4574] <... futex resumed>) = 0 [pid 4581] write(1, "executing program\n", 18 [pid 4580] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 executing program [pid 4579] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4578] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4581] <... write resumed>) = 18 [pid 4580] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4579] <... unlinkat resumed>) = 0 [pid 4574] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4581] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4580] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4579] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4574] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4581] <... futex resumed>) = 0 [pid 4580] <... futex resumed>) = 1 [pid 4579] <... futex resumed>) = 0 [pid 4578] <... futex resumed>) = 0 [pid 4581] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4580] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4579] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4578] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4574] exit_group(0 [pid 4581] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4578] <... futex resumed>) = 0 [pid 4579] <... futex resumed>) = ? [pid 4574] <... exit_group resumed>) = ? [pid 4581] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4580] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4579] +++ exited with 0 +++ [pid 4578] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... restart_syscall resumed>) = 0 [pid 4580] <... mkdirat resumed>) = 0 [pid 4580] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4578] <... futex resumed>) = 0 [pid 4580] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4578] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4578] <... futex resumed>) = 0 [pid 4574] +++ exited with 0 +++ [pid 4581] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4580] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4578] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... restart_syscall resumed>) = 0 [pid 4581] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4580] <... symlinkat resumed>) = 0 [pid 4580] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4574, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4580] <... futex resumed>) = 1 [pid 4578] <... futex resumed>) = 0 [pid 4580] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4578] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4581] <... mmap resumed>) = 0x7f85c0c15000 [pid 4580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4578] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4581] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4580] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4578] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4581] <... mprotect resumed>) = 0 [pid 4580] <... unlinkat resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4580] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4578] <... futex resumed>) = 0 [pid 4580] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4578] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4578] <... futex resumed>) = 0 [pid 4580] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4578] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4580] <... unlinkat resumed>) = 0 [pid 4580] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4578] <... futex resumed>) = 0 [pid 4580] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4578] exit_group(0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4582 [pid 4581] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4580] <... futex resumed>) = ? [pid 4578] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 4583 attached [pid 4581] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4580] +++ exited with 0 +++ [pid 4578] +++ exited with 0 +++ [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4583 [pid 4581] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4578, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 4582 attached [pid 4582] set_robust_list(0x5555810c5760, 24) = 0 [pid 4582] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4582] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4585 [pid 4581] <... clone3 resumed> => {parent_tid=[4584]}, 88) = 4584 [pid 4582] setpgid(0, 0) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4581] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4581] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4581] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4582] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4582] write(3, "1000", 4 [pid 4581] <... futex resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4586 [pid 4581] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4582] <... write resumed>) = 4 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4582] close(3) = 0 [pid 4582] write(1, "executing program\n", 18) = 18 [pid 4582] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4582] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 executing program [pid 4582] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4582] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4582] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4583] set_robust_list(0x5555810c5760, 24 [pid 4582] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4583] <... set_robust_list resumed>) = 0 [pid 4582] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4582] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[4587]}, 88) = 4587 [pid 4582] rt_sigprocmask(SIG_SETMASK, [] [pid 4583] rt_sigprocmask(SIG_SETMASK, [] [pid 4582] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4582] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4582] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4584 attached [pid 4584] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4584] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4584] mkdirat(AT_FDCWD, "./config", 0777ci2-android-5-15/strace-static-x86_64: Process 4585 attached ) = -1 EEXIST (File exists) [pid 4585] set_robust_list(0x5555810c5760, 24 [pid 4584] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4585] <... set_robust_list resumed>) = 0 [pid 4584] <... futex resumed>) = 1 [pid 4581] <... futex resumed>) = 0 [pid 4583] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4581] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4585] rt_sigprocmask(SIG_SETMASK, [] [pid 4584] mount(NULL, "./config", "configfs", 0, NULL [pid 4583] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4581] <... futex resumed>) = 0 [pid 4585] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4584] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4583] <... prctl resumed>) = 0 [pid 4581] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4585] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4584] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4583] setpgid(0, 0 [pid 4585] <... prctl resumed>) = 0 [pid 4584] <... futex resumed>) = 1 [pid 4583] <... setpgid resumed>) = 0 [pid 4581] <... futex resumed>) = 0 [pid 4585] setpgid(0, 0 [pid 4584] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4581] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4583] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4581] <... futex resumed>) = 0 [pid 4585] <... setpgid resumed>) = 0 [pid 4584] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4581] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4585] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4584] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4583] <... openat resumed>) = 3 [pid 4585] <... openat resumed>) = 3 [pid 4584] <... futex resumed>) = 1 [pid 4583] write(3, "1000", 4 [pid 4581] <... futex resumed>) = 0 [pid 4585] write(3, "1000", 4 [pid 4584] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4583] <... write resumed>) = 4 [pid 4581] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4585] <... write resumed>) = 4 [pid 4584] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4583] close(3 [pid 4581] <... futex resumed>) = 0 [pid 4585] close(3 [pid 4584] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4581] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4583] <... close resumed>) = 0 [pid 4585] <... close resumed>) = 0 [pid 4584] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4585] write(1, "executing program\n", 18 executing program [pid 4584] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4585] <... write resumed>) = 18 [pid 4584] <... futex resumed>) = 1 [pid 4583] write(1, "executing program\n", 18 [pid 4581] <... futex resumed>) = 0 [pid 4585] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4584] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4583] <... write resumed>) = 18 executing program [pid 4581] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4585] <... futex resumed>) = 0 [pid 4584] <... mkdirat resumed>) = 0 [pid 4583] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4581] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4586 attached [pid 4585] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4584] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4583] <... futex resumed>) = 0 [pid 4581] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4585] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4584] <... futex resumed>) = 0 [pid 4583] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4586] set_robust_list(0x5555810c5760, 24 [pid 4581] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ci2-android-5-15/strace-static-x86_64: Process 4587 attached [pid 4586] <... set_robust_list resumed>) = 0 [pid 4585] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4584] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4583] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4581] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4587] set_robust_list(0x7f85c0c359a0, 24 [pid 4585] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4584] <... symlinkat resumed>) = 0 [pid 4581] <... futex resumed>) = 0 [pid 4583] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4587] <... set_robust_list resumed>) = 0 [pid 4586] rt_sigprocmask(SIG_SETMASK, [] [pid 4585] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4584] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4581] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4587] rt_sigprocmask(SIG_SETMASK, [] [pid 4585] <... mmap resumed>) = 0x7f85c0c15000 [pid 4584] <... futex resumed>) = 0 [pid 4581] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4583] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4587] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4586] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4585] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4584] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4581] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4583] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4587] mkdirat(AT_FDCWD, "./config", 0777 [pid 4585] <... mprotect resumed>) = 0 [pid 4584] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4581] <... futex resumed>) = 0 [pid 4587] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4586] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4585] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4584] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4583] <... mmap resumed>) = 0x7f85c0c15000 [pid 4581] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4587] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4585] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4584] <... unlinkat resumed>) = 0 [pid 4583] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4586] <... prctl resumed>) = 0 [pid 4587] <... futex resumed>) = 1 [pid 4585] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4584] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4582] <... futex resumed>) = 0 [pid 4587] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4586] setpgid(0, 0 [pid 4584] <... futex resumed>) = 1 [pid 4583] <... mprotect resumed>) = 0 [pid 4582] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4581] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4588 attached [pid 4587] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4586] <... setpgid resumed>) = 0 [pid 4585] <... clone3 resumed> => {parent_tid=[4588]}, 88) = 4588 [pid 4584] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4583] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4582] <... futex resumed>) = 0 [pid 4581] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4587] mount(NULL, "./config", "configfs", 0, NULL [pid 4585] rt_sigprocmask(SIG_SETMASK, [] [pid 4584] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4582] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4581] <... futex resumed>) = 0 [pid 4587] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4586] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4585] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4584] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4583] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4581] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4587] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4586] <... openat resumed>) = 3 [pid 4585] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4584] <... unlinkat resumed>) = 0 [pid 4583] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4587] <... futex resumed>) = 1 [pid 4586] write(3, "1000", 4 [pid 4585] <... futex resumed>) = 0 [pid 4584] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4582] <... futex resumed>) = 0 [pid 4587] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4585] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4584] <... futex resumed>) = 1 [pid 4582] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4581] <... futex resumed>) = 0 [pid 4587] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4586] <... write resumed>) = 4 [pid 4584] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4583] <... clone3 resumed> => {parent_tid=[4589]}, 88) = 4589 [pid 4582] <... futex resumed>) = 0 [pid 4581] exit_group(0 [pid 4587] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4586] close(3 [pid 4584] <... futex resumed>) = ? [pid 4583] rt_sigprocmask(SIG_SETMASK, [] [pid 4582] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4581] <... exit_group resumed>) = ? [pid 4588] set_robust_list(0x7f85c0c359a0, 24 [pid 4587] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4586] <... close resumed>) = 0 [pid 4584] +++ exited with 0 +++ [pid 4583] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4581] +++ exited with 0 +++ [pid 4587] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4586] write(1, "executing program\n", 18 [pid 4583] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4581, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 4587] <... futex resumed>) = 1 [pid 4586] <... write resumed>) = 18 [pid 4583] <... futex resumed>) = 0 [pid 4582] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4587] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4586] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4583] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4582] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4587] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4586] <... futex resumed>) = 0 [pid 4582] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4589 attached [pid 4587] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4586] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4582] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4589] set_robust_list(0x7f85c0c359a0, 24 [pid 4587] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4586] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4589] <... set_robust_list resumed>) = 0 [pid 4587] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4586] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4589] rt_sigprocmask(SIG_SETMASK, [] [pid 4587] <... futex resumed>) = 1 [pid 4582] <... futex resumed>) = 0 [pid 4589] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4587] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4586] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4582] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4589] mkdirat(AT_FDCWD, "./config", 0777 [pid 4587] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4586] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4582] <... futex resumed>) = 0 [pid 4589] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4587] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4586] <... mmap resumed>) = 0x7f85c0c15000 [pid 4582] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4589] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4587] <... mkdirat resumed>) = 0 [pid 4586] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4589] <... futex resumed>) = 1 [pid 4587] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4583] <... futex resumed>) = 0 [pid 4589] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4587] <... futex resumed>) = 1 [pid 4586] <... mprotect resumed>) = 0 [pid 4582] <... futex resumed>) = 0 [pid 4589] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4588] <... set_robust_list resumed>) = 0 [pid 4587] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4583] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4582] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4589] mount(NULL, "./config", "configfs", 0, NULL [pid 4588] rt_sigprocmask(SIG_SETMASK, [] [pid 4587] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4586] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4583] <... futex resumed>) = 0 [pid 4582] <... futex resumed>) = 0 [pid 4589] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4588] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4587] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4586] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4583] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4582] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4589] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4587] <... symlinkat resumed>) = 0 [pid 4586] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4583] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4588] mkdirat(AT_FDCWD, "./config", 0777 [pid 4589] <... futex resumed>) = 0 [pid 4587] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4589] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4587] <... futex resumed>) = 1 [pid 4582] <... futex resumed>) = 0 [pid 4587] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4583] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4582] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4589] <... futex resumed>) = 0 [pid 4588] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4587] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4586] <... clone3 resumed> => {parent_tid=[4590]}, 88) = 4590 [pid 4583] <... futex resumed>) = 1 [pid 4582] <... futex resumed>) = 0 [pid 4589] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4588] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4587] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4586] rt_sigprocmask(SIG_SETMASK, [] [pid 4583] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4582] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4589] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4587] <... unlinkat resumed>) = 0 [pid 4586] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4589] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4588] <... futex resumed>) = 1 [pid 4587] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4586] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4585] <... futex resumed>) = 0 [pid 4589] <... futex resumed>) = 1 [pid 4588] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4587] <... futex resumed>) = 1 [pid 4586] <... futex resumed>) = 0 [pid 4585] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4583] <... futex resumed>) = 0 [pid 4582] <... futex resumed>) = 0 [pid 4589] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4588] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4587] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4586] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4585] <... futex resumed>) = 0 [pid 4582] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4589] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4588] mount(NULL, "./config", "configfs", 0, NULL [pid 4587] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4585] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4583] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4582] <... futex resumed>) = 0 [pid 4589] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4587] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4583] <... futex resumed>) = 0 [pid 4582] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4589] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4588] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4587] <... unlinkat resumed>) = 0 [pid 4583] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4589] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4587] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4589] <... futex resumed>) = 0 [pid 4587] <... futex resumed>) = 1 [pid 4583] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4582] <... futex resumed>) = 0 [pid 4589] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4588] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4587] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4583] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4582] exit_group(0 [pid 4589] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4587] <... futex resumed>) = ? [pid 4583] <... futex resumed>) = 0 [pid 4582] <... exit_group resumed>) = ? [pid 4589] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4588] <... futex resumed>) = 1 [pid 4587] +++ exited with 0 +++ [pid 4585] <... futex resumed>) = 0 [pid 4583] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4582] +++ exited with 0 +++ [pid 4589] <... mkdirat resumed>) = 0 [pid 4588] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4585] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4589] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4588] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4585] <... futex resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4582, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 4590 attached [pid 4589] <... futex resumed>) = 1 [pid 4588] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4585] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4583] <... futex resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4590] set_robust_list(0x7f85c0c359a0, 24 [pid 4589] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4588] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4590] <... set_robust_list resumed>) = 0 [pid 4583] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4588] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4590] rt_sigprocmask(SIG_SETMASK, [] [pid 4589] <... futex resumed>) = 0 [pid 4583] <... futex resumed>) = 1 [pid 4588] <... futex resumed>) = 1 [pid 4585] <... futex resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 4590] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4589] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4588] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4585] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4583] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4590] mkdirat(AT_FDCWD, "./config", 0777 [pid 4589] <... symlinkat resumed>) = 0 [pid 4588] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4585] <... futex resumed>) = 0 [pid 4590] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4589] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4588] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4585] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4590] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4589] <... futex resumed>) = 1 [pid 4583] <... futex resumed>) = 0 [pid 4590] <... futex resumed>) = 1 [pid 4589] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4588] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4586] <... futex resumed>) = 0 [pid 4583] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4590] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4589] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4588] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4586] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4583] <... futex resumed>) = 0 [pid 4590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4589] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4588] <... futex resumed>) = 1 [pid 4586] <... futex resumed>) = 0 [pid 4585] <... futex resumed>) = 0 [pid 4583] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4590] mount(NULL, "./config", "configfs", 0, NULL [pid 4589] <... unlinkat resumed>) = 0 [pid 4588] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4586] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4585] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4590] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4589] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4588] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4585] <... futex resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 4590] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4589] <... futex resumed>) = 1 [pid 4585] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4590] <... futex resumed>) = 1 [pid 4589] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4590] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 4591 attached [pid 4588] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4586] <... futex resumed>) = 0 [pid 4583] <... futex resumed>) = 0 [pid 4591] set_robust_list(0x5555810c5760, 24 [pid 4586] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4583] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4591 [pid 4590] <... futex resumed>) = 0 [pid 4589] <... futex resumed>) = 0 [pid 4588] <... futex resumed>) = 1 [pid 4586] <... futex resumed>) = 1 [pid 4585] <... futex resumed>) = 0 [pid 4583] <... futex resumed>) = 1 [pid 4591] <... set_robust_list resumed>) = 0 [pid 4590] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4589] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4588] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4586] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4585] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4583] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4591] rt_sigprocmask(SIG_SETMASK, [] [pid 4590] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4591] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4590] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4589] <... unlinkat resumed>) = 0 [pid 4585] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4591] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4590] <... futex resumed>) = 1 [pid 4589] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4588] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4586] <... futex resumed>) = 0 [pid 4585] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4591] <... prctl resumed>) = 0 [pid 4590] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4589] <... futex resumed>) = 1 [pid 4588] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4586] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4583] <... futex resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4591] setpgid(0, 0 [pid 4590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4589] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4586] <... futex resumed>) = 0 [pid 4591] <... setpgid resumed>) = 0 [pid 4590] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4588] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4586] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4583] exit_group(0 [pid 4591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4590] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4591] <... openat resumed>) = 3 [pid 4590] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4589] <... futex resumed>) = ? [pid 4588] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4583] <... exit_group resumed>) = ? [pid 4591] write(3, "1000", 4 [pid 4590] <... futex resumed>) = 1 [pid 4589] +++ exited with 0 +++ [pid 4586] <... futex resumed>) = 0 [pid 4591] <... write resumed>) = 4 [pid 4590] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4586] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4591] close(3 [pid 4590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4586] <... futex resumed>) = 0 [pid 4591] <... close resumed>) = 0 [pid 4590] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4586] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4591] write(1, "executing program\n", 18 [pid 4590] <... mkdirat resumed>) = 0 [pid 4588] <... futex resumed>) = 1 [pid 4583] +++ exited with 0 +++ [pid 4585] <... futex resumed>) = 0 executing program [pid 4591] <... write resumed>) = 18 [pid 4590] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4588] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4585] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4592 [pid 4591] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4590] <... futex resumed>) = 1 [pid 4588] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4586] <... futex resumed>) = 0 [pid 4585] <... futex resumed>) = 0 [pid 4591] <... futex resumed>) = 0 [pid 4590] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4586] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4583, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4591] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4588] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4586] <... futex resumed>) = 0 [pid 4585] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4591] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4590] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4588] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4586] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4591] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4590] <... symlinkat resumed>) = 0 [pid 4591] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4590] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4588] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4591] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4590] <... futex resumed>) = 1 [pid 4586] <... futex resumed>) = 0 [pid 4588] <... futex resumed>) = 1 ci2-android-5-15/strace-static-x86_64: Process 4592 attached [pid 4591] <... mmap resumed>) = 0x7f85c0c15000 [pid 4590] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4586] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4585] <... futex resumed>) = 0 [pid 4592] set_robust_list(0x5555810c5760, 24 [pid 4591] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4588] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4586] <... futex resumed>) = 0 [pid 4585] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4592] <... set_robust_list resumed>) = 0 [pid 4591] <... mprotect resumed>) = 0 [pid 4590] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4586] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4592] rt_sigprocmask(SIG_SETMASK, [] [pid 4591] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4590] <... unlinkat resumed>) = 0 [pid 4588] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4585] <... futex resumed>) = 0 [pid 4592] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4591] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4590] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4592] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4591] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4590] <... futex resumed>) = 1 [pid 4588] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4586] <... futex resumed>) = 0 [pid 4585] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4592] <... prctl resumed>) = 0 [pid 4590] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4586] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4592] setpgid(0, 0 [pid 4591] <... clone3 resumed> => {parent_tid=[4593]}, 88) = 4593 [pid 4590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4586] <... futex resumed>) = 0 [pid 4588] <... unlinkat resumed>) = 0 [pid 4592] <... setpgid resumed>) = 0 [pid 4591] rt_sigprocmask(SIG_SETMASK, [] [pid 4590] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4588] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4586] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4592] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4591] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4590] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4588] <... futex resumed>) = 1 [pid 4585] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4593 attached [pid 4592] <... openat resumed>) = 3 [pid 4591] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4590] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4588] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4592] write(3, "1000", 4 [pid 4591] <... futex resumed>) = 0 [pid 4590] <... futex resumed>) = 1 [pid 4586] <... futex resumed>) = 0 [pid 4585] exit_group(0 [pid 4592] <... write resumed>) = 4 [pid 4591] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4590] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4586] exit_group(0 [pid 4588] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 4585] <... exit_group resumed>) = ? [pid 4593] set_robust_list(0x7f85c0c359a0, 24 [pid 4592] close(3 [pid 4590] <... futex resumed>) = ? [pid 4586] <... exit_group resumed>) = ? [pid 4588] +++ exited with 0 +++ [pid 4592] <... close resumed>) = 0 [pid 4590] +++ exited with 0 +++ [pid 4586] +++ exited with 0 +++ [pid 4585] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4586, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4585, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4592] write(1, "executing program\n", 18) = 18 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4592] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 4592] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4592] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4592] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4592] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4592] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4592] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4593] <... set_robust_list resumed>) = 0 [pid 4592] <... clone3 resumed> => {parent_tid=[4594]}, 88) = 4594 [pid 4592] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4592] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4592] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4594 attached [pid 4594] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4594] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4594] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4593] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... restart_syscall resumed>) = 0 [pid 4594] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4592] <... futex resumed>) = 0 [pid 4592] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4592] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... restart_syscall resumed>) = 0 [pid 4594] <... futex resumed>) = 1 [pid 4594] mount(NULL, "./config", "configfs", 0, NULL [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4594] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4594] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4592] <... futex resumed>) = 0 [pid 4592] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4592] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4594] <... futex resumed>) = 1 [pid 4594] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4595 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... restart_syscall resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4594] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4594] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4592] <... futex resumed>) = 0 [pid 4592] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4592] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4596 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4594] <... futex resumed>) = 1 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4594] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4593] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4594] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4594] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4592] <... futex resumed>) = 0 [pid 4592] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4592] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4594] <... futex resumed>) = 1 [pid 4594] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4593] mkdirat(AT_FDCWD, "./config", 0777 [pid 4594] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4597 [pid 4593] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4592] <... futex resumed>) = 0 [pid 4593] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4592] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4592] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4593] <... futex resumed>) = 1 [pid 4591] <... futex resumed>) = 0 [pid 4593] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4591] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4591] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4594] <... futex resumed>) = 1 [pid 4593] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4594] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4593] mount(NULL, "./config", "configfs", 0, NULL [pid 4594] <... symlinkat resumed>) = 0 [pid 4594] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4593] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4592] <... futex resumed>) = 0 [pid 4592] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4592] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4594] <... futex resumed>) = 1 [pid 4594] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4593] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4596 attached [pid 4594] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4592] <... futex resumed>) = 0 [pid 4592] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4592] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4594] <... futex resumed>) = 1 [pid 4594] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4593] <... futex resumed>) = 1 [pid 4591] <... futex resumed>) = 0 [pid 4591] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4596] set_robust_list(0x5555810c5760, 24 [pid 4593] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4591] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4594] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4592] <... futex resumed>) = 0 [pid 4592] exit_group(0) = ? [pid 4594] <... futex resumed>) = ? [pid 4593] <... mkdirat resumed>) = -1 EEXIST (File exists) ci2-android-5-15/strace-static-x86_64: Process 4597 attached [pid 4596] <... set_robust_list resumed>) = 0 [pid 4597] set_robust_list(0x5555810c5760, 24 [pid 4596] rt_sigprocmask(SIG_SETMASK, [] [pid 4594] +++ exited with 0 +++ [pid 4593] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4592] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 4595 attached [pid 4596] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4593] <... futex resumed>) = 1 [pid 4591] <... futex resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4592, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4591] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4593] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4591] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4596] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4593] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4595] set_robust_list(0x5555810c5760, 24) = 0 [pid 4595] rt_sigprocmask(SIG_SETMASK, [] [pid 4596] <... prctl resumed>) = 0 [pid 4593] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4595] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4597] <... set_robust_list resumed>) = 0 [pid 4596] setpgid(0, 0 [pid 4593] <... futex resumed>) = 1 [pid 4591] <... futex resumed>) = 0 [pid 4596] <... setpgid resumed>) = 0 [pid 4593] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4591] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4593] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4591] <... futex resumed>) = 0 [pid 4591] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4596] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4593] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4595] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4595] setpgid(0, 0) = 0 [pid 4593] <... mkdirat resumed>) = 0 [pid 4595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4596] <... openat resumed>) = 3 [pid 4593] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4597] rt_sigprocmask(SIG_SETMASK, [] [pid 4596] write(3, "1000", 4 [pid 4593] <... futex resumed>) = 1 [pid 4591] <... futex resumed>) = 0 [pid 4597] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4596] <... write resumed>) = 4 [pid 4593] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4591] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4596] close(3 [pid 4593] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4591] <... futex resumed>) = 0 [pid 4597] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4591] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4597] <... prctl resumed>) = 0 [pid 4596] <... close resumed>) = 0 [pid 4593] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4595] <... openat resumed>) = 3 [pid 4593] <... symlinkat resumed>) = 0 [pid 4597] setpgid(0, 0 [pid 4596] write(1, "executing program\n", 18 [pid 4597] <... setpgid resumed>) = 0 [pid 4593] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4595] write(3, "1000", 4 [pid 4593] <... futex resumed>) = 1 [pid 4591] <... futex resumed>) = 0 [pid 4595] <... write resumed>) = 4 [pid 4591] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4596] <... write resumed>) = 18 executing program [pid 4595] close(3 [pid 4593] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4591] <... futex resumed>) = 0 [pid 4597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4595] <... close resumed>) = 0 [pid 4593] <... unlinkat resumed>) = 0 [pid 4591] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4596] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4595] write(1, "executing program\n", 18 [pid 4593] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4591] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4597] <... openat resumed>) = 3 [pid 4596] <... futex resumed>) = 0 [pid 4595] <... write resumed>) = 18 executing program [pid 4593] <... futex resumed>) = 0 [pid 4591] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4597] write(3, "1000", 4 [pid 4596] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4595] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4593] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4591] <... futex resumed>) = 0 [pid 4595] <... futex resumed>) = 0 [pid 4591] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4595] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4595] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4595] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4593] <... unlinkat resumed>) = 0 [pid 4597] <... write resumed>) = 4 [pid 4596] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4593] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4597] close(3 [pid 4596] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4595] <... mmap resumed>) = 0x7f85c0c15000 [pid 4593] <... futex resumed>) = 1 [pid 4591] <... futex resumed>) = 0 [pid 4597] <... close resumed>) = 0 [pid 4596] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4595] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4593] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4591] exit_group(0 [pid 4597] write(1, "executing program\n", 18 [pid 4596] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4595] <... mprotect resumed>) = 0 [pid 4593] <... futex resumed>) = ? [pid 4591] <... exit_group resumed>) = ? [pid 4597] <... write resumed>) = 18 [pid 4596] <... mmap resumed>) = 0x7f85c0c15000 [pid 4595] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4593] +++ exited with 0 +++ [pid 4591] +++ exited with 0 +++ [pid 4595] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4591, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4596] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4597] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4595] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4596] <... mprotect resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 4597] <... futex resumed>) = 0 [pid 4596] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 4598 attached [pid 4597] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4596] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4595] <... clone3 resumed> => {parent_tid=[4598]}, 88) = 4598 [pid 311] <... restart_syscall resumed>) = 0 [pid 4596] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4597] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4595] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4595] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4595] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4598] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4599 [pid 4597] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4597] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4596] <... clone3 resumed> => {parent_tid=[4600]}, 88) = 4600 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4598] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4598] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4598] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4597] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4596] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4601 [pid 4596] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4596] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4595] <... futex resumed>) = 0 [pid 4596] <... futex resumed>) = 0 [pid 4597] <... mmap resumed>) = 0x7f85c0c15000 [pid 4596] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4597] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4595] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4595] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4598] <... futex resumed>) = 1 [pid 4598] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 4598] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4595] <... futex resumed>) = 0 [pid 4595] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4595] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4598] <... futex resumed>) = 1 [pid 4598] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4598] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4595] <... futex resumed>) = 0 [pid 4595] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4595] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4598] <... futex resumed>) = 1 [pid 4598] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4598] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4595] <... futex resumed>) = 0 [pid 4595] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4595] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4598] <... futex resumed>) = 1 [pid 4598] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4598] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4597] <... mprotect resumed>) = 0 [pid 4595] <... futex resumed>) = 0 [pid 4595] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4597] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4595] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4597] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4598] <... futex resumed>) = 1 [pid 4597] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4598] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4598] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4595] <... futex resumed>) = 0 [pid 4595] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4595] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4597] <... clone3 resumed> => {parent_tid=[4602]}, 88) = 4602 [pid 4598] <... futex resumed>) = 1 [pid 4597] rt_sigprocmask(SIG_SETMASK, [] [pid 4598] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4597] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4597] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4597] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4598] <... unlinkat resumed>) = 0 [pid 4598] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4595] <... futex resumed>) = 0 [pid 4595] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4595] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4598] <... futex resumed>) = 1 [pid 4598] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4598] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4595] <... futex resumed>) = 0 [pid 4595] exit_group(0) = ? ci2-android-5-15/strace-static-x86_64: Process 4600 attached ci2-android-5-15/strace-static-x86_64: Process 4602 attached [pid 4598] <... futex resumed>) = ? [pid 4600] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4602] set_robust_list(0x7f85c0c359a0, 24ci2-android-5-15/strace-static-x86_64: Process 4599 attached ) = 0 [pid 4600] rt_sigprocmask(SIG_SETMASK, [] [pid 4598] +++ exited with 0 +++ [pid 4595] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4595, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 4601 attached [pid 4602] rt_sigprocmask(SIG_SETMASK, [] [pid 4600] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4601] set_robust_list(0x5555810c5760, 24) = 0 [pid 4601] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4601] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4600] mkdirat(AT_FDCWD, "./config", 0777 [pid 4601] <... prctl resumed>) = 0 [pid 4601] setpgid(0, 0) = 0 [pid 4601] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4600] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4599] set_robust_list(0x5555810c5760, 24 [pid 4601] write(3, "1000", 4) = 4 [pid 4601] close(3) = 0 executing program [pid 4601] write(1, "executing program\n", 18) = 18 [pid 4601] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4601] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4601] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4601] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4601] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4601] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4600] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4601] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4601] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[4603]}, 88) = 4603 [pid 4601] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4601] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4601] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4596] <... futex resumed>) = 0 [pid 4600] <... futex resumed>) = 1 [pid 4596] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4602] mkdirat(AT_FDCWD, "./config", 0777 [pid 4600] mount(NULL, "./config", "configfs", 0, NULL [pid 4596] <... futex resumed>) = 0 [pid 4596] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4603 attached [pid 4603] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4600] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4602] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4603] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4603] mkdirat(AT_FDCWD, "./config", 0777 [pid 4600] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... restart_syscall resumed>) = 0 [pid 4602] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4596] <... futex resumed>) = 0 [pid 4600] <... futex resumed>) = 1 [pid 4597] <... futex resumed>) = 0 [pid 4597] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4596] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4602] <... futex resumed>) = 1 [pid 4600] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4597] <... futex resumed>) = 0 [pid 4596] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4602] mount(NULL, "./config", "configfs", 0, NULL [pid 4600] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4597] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4596] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4600] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4596] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4603] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4600] <... futex resumed>) = 0 [pid 4596] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4603] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4601] <... futex resumed>) = 0 [pid 4601] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4601] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4603] <... futex resumed>) = 1 [pid 4603] mount(NULL, "./config", "configfs", 0, NULL [pid 4600] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4596] <... futex resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4604 [pid 4602] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4600] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4599] <... set_robust_list resumed>) = 0 [pid 4596] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4602] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4600] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4596] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4602] <... futex resumed>) = 1 [pid 4600] <... futex resumed>) = 0 [pid 4597] <... futex resumed>) = 0 [pid 4596] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4602] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4600] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4599] rt_sigprocmask(SIG_SETMASK, [] [pid 4597] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4596] <... futex resumed>) = 0 [pid 4597] <... futex resumed>) = 0 [pid 4596] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4597] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4603] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4602] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4600] <... mkdirat resumed>) = 0 [pid 4599] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4600] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4602] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4600] <... futex resumed>) = 1 [pid 4596] <... futex resumed>) = 0 [pid 4599] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4596] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4602] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4600] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4599] <... prctl resumed>) = 0 [pid 4596] <... futex resumed>) = 0 [pid 4603] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4596] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4602] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4600] <... symlinkat resumed>) = 0 [pid 4599] setpgid(0, 0 [pid 4601] <... futex resumed>) = 0 [pid 4601] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4601] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4603] <... futex resumed>) = 1 [pid 4603] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4603] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4601] <... futex resumed>) = 0 [pid 4601] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4601] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4603] <... futex resumed>) = 1 [pid 4603] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4600] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4602] <... futex resumed>) = 1 [pid 4599] <... setpgid resumed>) = 0 [pid 4597] <... futex resumed>) = 0 [pid 4600] <... futex resumed>) = 1 [pid 4597] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4596] <... futex resumed>) = 0 [pid 4602] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4597] <... futex resumed>) = 0 [pid 4596] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4600] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4602] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4599] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4597] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4596] <... futex resumed>) = 0 [pid 4602] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4600] <... unlinkat resumed>) = 0 [pid 4597] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4596] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4602] <... futex resumed>) = 0 [pid 4600] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4599] <... openat resumed>) = 3 [pid 4597] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4596] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4602] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4600] <... futex resumed>) = 0 [pid 4599] write(3, "1000", 4 [pid 4597] <... futex resumed>) = 0 [pid 4596] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4602] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4600] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4599] <... write resumed>) = 4 [pid 4597] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4596] <... futex resumed>) = 0 [pid 4603] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4596] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4602] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4600] <... unlinkat resumed>) = 0 [pid 4599] close(3 [pid 4600] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4597] <... futex resumed>) = 0 [pid 4602] <... futex resumed>) = 1 [pid 4600] <... futex resumed>) = 1 [pid 4599] <... close resumed>) = 0 [pid 4597] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4596] <... futex resumed>) = 0 [pid 4602] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4600] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4599] write(1, "executing program\n", 18 [pid 4597] <... futex resumed>) = 0 [pid 4596] exit_group(0 [pid 4597] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4600] <... futex resumed>) = ? [pid 4596] <... exit_group resumed>) = ? [pid 4603] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4601] <... futex resumed>) = 0 [pid 4601] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4601] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4603] <... futex resumed>) = 1 [pid 4603] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4603] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4600] +++ exited with 0 +++ [pid 4596] +++ exited with 0 +++ [pid 4601] <... futex resumed>) = 0 [pid 4602] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4601] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4599] <... write resumed>) = 18 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4596, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4601] <... futex resumed>) = 0 executing program [pid 4602] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4601] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4599] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4597] <... futex resumed>) = 0 [pid 4602] <... futex resumed>) = 1 [pid 4599] <... futex resumed>) = 0 [pid 4597] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4603] <... futex resumed>) = 1 [pid 4602] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4599] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4597] <... futex resumed>) = 0 [pid 4603] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4597] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4602] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4599] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4603] <... symlinkat resumed>) = 0 [pid 4602] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4599] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4603] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4601] <... futex resumed>) = 0 [pid 4601] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4601] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4603] <... futex resumed>) = 1 [pid 4603] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4603] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4601] <... futex resumed>) = 0 [pid 4597] <... futex resumed>) = 0 [pid 4602] <... futex resumed>) = 1 [pid 4601] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4599] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4597] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4603] <... futex resumed>) = 1 [pid 4602] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4601] <... futex resumed>) = 0 [pid 4603] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4601] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4599] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4597] <... futex resumed>) = 0 [pid 4603] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4602] <... unlinkat resumed>) = 0 [pid 4599] <... mmap resumed>) = 0x7f85c0c15000 [pid 4602] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4597] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4602] <... futex resumed>) = 0 [pid 4599] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4597] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4602] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4599] <... mprotect resumed>) = 0 [pid 4597] exit_group(0 [pid 4603] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4602] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 4597] <... exit_group resumed>) = ? [pid 4599] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 4604 attached [pid 4603] <... futex resumed>) = 1 [pid 4601] <... futex resumed>) = 0 [pid 4604] set_robust_list(0x5555810c5760, 24 [pid 4603] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4601] exit_group(0 [pid 4604] <... set_robust_list resumed>) = 0 [pid 4603] <... futex resumed>) = ? [pid 4601] <... exit_group resumed>) = ? [pid 4603] +++ exited with 0 +++ [pid 4602] +++ exited with 0 +++ [pid 4601] +++ exited with 0 +++ [pid 4599] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4597] +++ exited with 0 +++ [pid 4604] rt_sigprocmask(SIG_SETMASK, [] [pid 4599] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4601, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4597, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4604] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4599] <... clone3 resumed> => {parent_tid=[4605]}, 88) = 4605 [pid 4599] rt_sigprocmask(SIG_SETMASK, [] [pid 4604] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4599] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 4599] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4604] <... prctl resumed>) = 0 [pid 4599] <... futex resumed>) = 0 [pid 4599] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4604] setpgid(0, 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4605 attached ci2-android-5-15/strace-static-x86_64: Process 4606 attached [pid 4604] <... setpgid resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4606] set_robust_list(0x5555810c5760, 24 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4606 [pid 4606] <... set_robust_list resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4606] rt_sigprocmask(SIG_SETMASK, [] [pid 4604] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4606] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4604] <... openat resumed>) = 3 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4607 ci2-android-5-15/strace-static-x86_64: Process 4607 attached [pid 4606] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4605] set_robust_list(0x7f85c0c359a0, 24 [pid 4604] write(3, "1000", 4 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4606] <... prctl resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4607] set_robust_list(0x5555810c5760, 24 [pid 4606] setpgid(0, 0 [pid 4605] <... set_robust_list resumed>) = 0 [pid 4604] <... write resumed>) = 4 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4607] <... set_robust_list resumed>) = 0 [pid 4606] <... setpgid resumed>) = 0 [pid 4605] rt_sigprocmask(SIG_SETMASK, [] [pid 4604] close(3ci2-android-5-15/strace-static-x86_64: Process 4608 attached [pid 4608] set_robust_list(0x5555810c5760, 24 [pid 4604] <... close resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4608 [pid 4608] <... set_robust_list resumed>) = 0 [pid 4604] write(1, "executing program\n", 18 [pid 311] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 4608] rt_sigprocmask(SIG_SETMASK, [] [pid 4605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4604] <... write resumed>) = 18 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4608] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4604] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4608] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4604] <... futex resumed>) = 0 [pid 4608] <... prctl resumed>) = 0 [pid 4604] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4608] setpgid(0, 0 [pid 4604] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4608] <... setpgid resumed>) = 0 [pid 4604] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4608] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4604] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4608] <... openat resumed>) = 3 [pid 4606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4605] mkdirat(AT_FDCWD, "./config", 0777 [pid 4604] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4608] write(3, "1000", 4 [pid 4604] <... mmap resumed>) = 0x7f85c0c15000 [pid 4605] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4604] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4608] <... write resumed>) = 4 [pid 4604] <... mprotect resumed>) = 0 [pid 4605] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4604] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4608] close(3 [pid 4604] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4605] <... futex resumed>) = 1 [pid 4604] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4599] <... futex resumed>) = 0 [pid 4608] <... close resumed>) = 0 [pid 4599] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4608] write(1, "executing program\n", 18 [pid 4605] mount(NULL, "./config", "configfs", 0, NULL [pid 4604] <... clone3 resumed> => {parent_tid=[4609]}, 88) = 4609 [pid 4599] <... futex resumed>) = 0 [pid 4608] <... write resumed>) = 18 [pid 4604] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 4599] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4608] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4605] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4604] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4608] <... futex resumed>) = 0 [pid 4605] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4604] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4608] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4605] <... futex resumed>) = 1 [pid 4604] <... futex resumed>) = 0 [pid 4599] <... futex resumed>) = 0 [pid 4608] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4606] <... openat resumed>) = 3 [pid 4605] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4604] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4599] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4608] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4605] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4599] <... futex resumed>) = 0 [pid 4608] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4599] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4608] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 ci2-android-5-15/strace-static-x86_64: Process 4609 attached [pid 4607] rt_sigprocmask(SIG_SETMASK, [] [pid 4606] write(3, "1000", 4 [pid 4605] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4609] set_robust_list(0x7f85c0c359a0, 24 [pid 4608] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4607] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4606] <... write resumed>) = 4 [pid 4605] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4609] <... set_robust_list resumed>) = 0 [pid 4607] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4606] close(3 [pid 4605] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4609] rt_sigprocmask(SIG_SETMASK, [] [pid 4608] <... mprotect resumed>) = 0 [pid 4607] <... prctl resumed>) = 0 [pid 4606] <... close resumed>) = 0 [pid 4605] <... futex resumed>) = 1 [pid 4599] <... futex resumed>) = 0 [pid 4609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4607] setpgid(0, 0 [pid 4606] write(1, "executing program\n", 18 [pid 4605] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4599] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4609] mkdirat(AT_FDCWD, "./config", 0777 [pid 4608] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4607] <... setpgid resumed>) = 0 [pid 4606] <... write resumed>) = 18 executing program [pid 4605] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4599] <... futex resumed>) = 0 [pid 4609] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4608] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4606] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4605] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4599] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4609] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4607] <... openat resumed>) = 3 [pid 4606] <... futex resumed>) = 0 [pid 4605] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4609] <... futex resumed>) = 1 [pid 4608] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4607] write(3, "1000", 4 [pid 4606] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4605] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4604] <... futex resumed>) = 0 [pid 4609] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4607] <... write resumed>) = 4 [pid 4606] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4605] <... futex resumed>) = 1 [pid 4604] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4599] <... futex resumed>) = 0 [pid 4609] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4607] close(3 [pid 4606] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4605] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4604] <... futex resumed>) = 0 [pid 4599] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4609] mount(NULL, "./config", "configfs", 0, NULL [pid 4607] <... close resumed>) = 0 [pid 4606] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4605] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4604] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4599] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4610 attached [pid 4609] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4608] <... clone3 resumed> => {parent_tid=[4610]}, 88) = 4610 [pid 4607] write(1, "executing program\n", 18 [pid 4606] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 executing program [pid 4605] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4599] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4610] set_robust_list(0x7f85c0c359a0, 24 [pid 4609] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4608] rt_sigprocmask(SIG_SETMASK, [] [pid 4607] <... write resumed>) = 18 [pid 4606] <... mmap resumed>) = 0x7f85c0c15000 [pid 4605] <... mkdirat resumed>) = 0 [pid 4610] <... set_robust_list resumed>) = 0 [pid 4608] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4610] rt_sigprocmask(SIG_SETMASK, [] [pid 4608] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4610] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4608] <... futex resumed>) = 0 [pid 4610] mkdirat(AT_FDCWD, "./config", 0777 [pid 4608] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4610] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4610] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4608] <... futex resumed>) = 0 [pid 4610] mount(NULL, "./config", "configfs", 0, NULL [pid 4608] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4610] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4608] <... futex resumed>) = 0 [pid 4607] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4606] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4605] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4610] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4609] <... futex resumed>) = 1 [pid 4608] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4605] <... futex resumed>) = 1 [pid 4606] <... mprotect resumed>) = 0 [pid 4604] <... futex resumed>) = 0 [pid 4607] <... futex resumed>) = 0 [pid 4599] <... futex resumed>) = 0 [pid 4610] <... futex resumed>) = 0 [pid 4608] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4606] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4605] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4607] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4604] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4599] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4610] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4609] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4608] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4607] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4606] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4605] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4604] <... futex resumed>) = 0 [pid 4599] <... futex resumed>) = 0 [pid 4610] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4609] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4608] <... futex resumed>) = 0 [pid 4607] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4606] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4605] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4604] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4599] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4610] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4609] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4608] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4605] <... symlinkat resumed>) = 0 [pid 4604] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4610] <... futex resumed>) = 0 [pid 4609] <... futex resumed>) = 0 [pid 4608] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4607] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4605] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4604] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4610] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4609] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4608] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4607] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4606] <... clone3 resumed> => {parent_tid=[4611]}, 88) = 4611 [pid 4605] <... futex resumed>) = 1 [pid 4604] <... futex resumed>) = 0 [pid 4599] <... futex resumed>) = 0 [pid 4610] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4609] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4608] <... futex resumed>) = 0 [pid 4607] <... mmap resumed>) = 0x7f85c0c15000 [pid 4606] rt_sigprocmask(SIG_SETMASK, [] [pid 4605] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4604] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4599] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4610] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4609] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4608] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4607] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4599] <... futex resumed>) = 0 [pid 4610] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4609] <... futex resumed>) = 0 [pid 4607] <... mprotect resumed>) = 0 [pid 4606] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4605] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4604] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4599] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4610] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4609] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4607] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4606] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4605] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4604] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4611 attached [pid 4610] <... futex resumed>) = 1 [pid 4609] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4608] <... futex resumed>) = 0 [pid 4607] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4606] <... futex resumed>) = 0 [pid 4605] <... unlinkat resumed>) = 0 [pid 4604] <... futex resumed>) = 0 [pid 4611] set_robust_list(0x7f85c0c359a0, 24 [pid 4610] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4609] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4608] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4607] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4606] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4605] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4604] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4610] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4609] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4608] <... futex resumed>) = 0 [pid 4605] <... futex resumed>) = 1 [pid 4599] <... futex resumed>) = 0 [pid 4610] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4609] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4608] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4605] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4599] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4610] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4609] <... futex resumed>) = 1 [pid 4607] <... clone3 resumed> => {parent_tid=[4612]}, 88) = 4612 [pid 4604] <... futex resumed>) = 0 [pid 4599] <... futex resumed>) = 0 [pid 4610] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4609] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4607] rt_sigprocmask(SIG_SETMASK, [] [pid 4605] <... unlinkat resumed>) = 0 [pid 4604] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4599] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4610] <... futex resumed>) = 1 [pid 4609] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4608] <... futex resumed>) = 0 [pid 4607] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4605] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4604] <... futex resumed>) = 0 [pid 4599] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ci2-android-5-15/strace-static-x86_64: Process 4612 attached [pid 4610] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4609] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4608] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4607] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4605] <... futex resumed>) = 0 [pid 4604] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4599] exit_group(0 [pid 4611] <... set_robust_list resumed>) = 0 [pid 4610] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4609] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4608] <... futex resumed>) = 0 [pid 4607] <... futex resumed>) = 0 [pid 4599] <... exit_group resumed>) = ? [pid 4612] set_robust_list(0x7f85c0c359a0, 24 [pid 4611] rt_sigprocmask(SIG_SETMASK, [] [pid 4610] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4609] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4608] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4607] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4605] +++ exited with 0 +++ [pid 4599] +++ exited with 0 +++ [pid 4612] <... set_robust_list resumed>) = 0 [pid 4611] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4610] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4609] <... futex resumed>) = 1 [pid 4604] <... futex resumed>) = 0 [pid 4612] rt_sigprocmask(SIG_SETMASK, [] [pid 4611] mkdirat(AT_FDCWD, "./config", 0777 [pid 4610] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4609] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4611] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4610] <... futex resumed>) = 1 [pid 4609] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4608] <... futex resumed>) = 0 [pid 4604] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4599, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4611] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4610] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4609] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4608] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4604] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4611] <... futex resumed>) = 1 [pid 4610] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4609] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4608] <... futex resumed>) = 0 [pid 4606] <... futex resumed>) = 0 [pid 4604] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4611] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4610] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4609] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4608] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4606] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4604] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4612] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4611] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4610] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4609] <... futex resumed>) = 0 [pid 4606] <... futex resumed>) = 0 [pid 4604] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4611] mount(NULL, "./config", "configfs", 0, NULL [pid 4610] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4609] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4606] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4604] <... futex resumed>) = 0 [pid 4611] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4610] <... futex resumed>) = 1 [pid 4609] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4608] <... futex resumed>) = 0 [pid 4604] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... restart_syscall resumed>) = 0 [pid 4612] mkdirat(AT_FDCWD, "./config", 0777 [pid 4611] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4610] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4609] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4608] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4604] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4611] <... futex resumed>) = 1 [pid 4610] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4609] <... futex resumed>) = 0 [pid 4608] <... futex resumed>) = 0 [pid 4606] <... futex resumed>) = 0 [pid 4604] exit_group(0 [pid 4611] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4610] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4608] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4606] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4604] <... exit_group resumed>) = ? [pid 4609] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 4611] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4610] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4606] <... futex resumed>) = 0 [pid 4611] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4610] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4611] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4610] <... futex resumed>) = 1 [pid 4608] <... futex resumed>) = 0 [pid 4611] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4610] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4608] exit_group(0 [pid 4611] <... futex resumed>) = 0 [pid 4610] <... futex resumed>) = ? [pid 4608] <... exit_group resumed>) = ? [pid 4612] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4611] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4610] +++ exited with 0 +++ [pid 4609] +++ exited with 0 +++ [pid 4608] +++ exited with 0 +++ [pid 4606] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4604] +++ exited with 0 +++ [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4612] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4606] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4608, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4604, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 4613 attached [pid 4612] <... futex resumed>) = 1 [pid 4607] <... futex resumed>) = 0 [pid 4606] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4613] set_robust_list(0x5555810c5760, 24 [pid 4612] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4611] <... futex resumed>) = 0 [pid 4607] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4606] <... futex resumed>) = 1 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4613 [pid 311] <... restart_syscall resumed>) = 0 [pid 4613] <... set_robust_list resumed>) = 0 [pid 4612] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4611] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4607] <... futex resumed>) = 0 [pid 4606] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4613] rt_sigprocmask(SIG_SETMASK, [] [pid 4612] mount(NULL, "./config", "configfs", 0, NULL [pid 4611] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4607] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4612] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4611] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4613] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 4614 attached [pid 4613] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4612] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4611] <... futex resumed>) = 1 [pid 4606] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4612] <... futex resumed>) = 1 [pid 4611] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4613] <... prctl resumed>) = 0 [pid 4607] <... futex resumed>) = 0 [pid 4606] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4614 [pid 4613] setpgid(0, 0 [pid 4612] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4611] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4607] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4606] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4613] <... setpgid resumed>) = 0 [pid 4612] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4611] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4607] <... futex resumed>) = 0 [pid 4606] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4612] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4611] <... mkdirat resumed>) = 0 [pid 4607] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4615 [pid 4614] set_robust_list(0x5555810c5760, 24 [pid 4613] <... openat resumed>) = 3 [pid 4612] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4611] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4613] write(3, "1000", 4 [pid 4612] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4611] <... futex resumed>) = 1 [pid 4606] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4613] <... write resumed>) = 4 [pid 4612] <... futex resumed>) = 1 [pid 4611] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4607] <... futex resumed>) = 0 [pid 4606] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4613] close(3 [pid 4612] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4611] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4607] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4606] <... futex resumed>) = 0 [pid 4613] <... close resumed>) = 0 [pid 4612] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4611] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4607] <... futex resumed>) = 0 [pid 4606] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4614] <... set_robust_list resumed>) = 0 [pid 4613] write(1, "executing program\n", 18 [pid 4612] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4611] <... symlinkat resumed>) = 0 [pid 4607] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4613] <... write resumed>) = 18 [pid 4612] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4611] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4613] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4612] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4611] <... futex resumed>) = 1 [pid 4606] <... futex resumed>) = 0 [pid 4613] <... futex resumed>) = 0 [pid 4612] <... futex resumed>) = 1 [pid 4611] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4607] <... futex resumed>) = 0 executing program [pid 4606] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4615 attached [pid 4613] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4612] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4611] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4607] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4606] <... futex resumed>) = 0 [pid 4615] set_robust_list(0x5555810c5760, 24 [pid 4614] rt_sigprocmask(SIG_SETMASK, [] [pid 4613] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4612] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4611] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4607] <... futex resumed>) = 0 [pid 4606] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4615] <... set_robust_list resumed>) = 0 [pid 4614] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4613] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4612] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4611] <... unlinkat resumed>) = 0 [pid 4607] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4615] rt_sigprocmask(SIG_SETMASK, [] [pid 4614] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4613] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4612] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4611] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4615] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4613] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4612] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4611] <... futex resumed>) = 1 [pid 4606] <... futex resumed>) = 0 [pid 4615] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4614] <... prctl resumed>) = 0 [pid 4613] <... mmap resumed>) = 0x7f85c0c15000 [pid 4612] <... futex resumed>) = 1 [pid 4611] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4607] <... futex resumed>) = 0 [pid 4606] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4615] <... prctl resumed>) = 0 [pid 4613] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4612] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4611] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4607] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4606] <... futex resumed>) = 0 [pid 4615] setpgid(0, 0 [pid 4613] <... mprotect resumed>) = 0 [pid 4612] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4611] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4607] <... futex resumed>) = 0 [pid 4606] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4615] <... setpgid resumed>) = 0 [pid 4614] setpgid(0, 0 [pid 4613] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4612] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4611] <... unlinkat resumed>) = 0 [pid 4607] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4613] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4612] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4611] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4615] <... openat resumed>) = 3 [pid 4614] <... setpgid resumed>) = 0 [pid 4613] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4612] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4611] <... futex resumed>) = 1 [pid 4606] <... futex resumed>) = 0 [pid 4615] write(3, "1000", 4 [pid 4611] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4606] exit_group(0 [pid 4615] <... write resumed>) = 4 [pid 4614] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4612] <... futex resumed>) = 1 [pid 4611] <... futex resumed>) = ? [pid 4607] <... futex resumed>) = 0 [pid 4606] <... exit_group resumed>) = ? [pid 4615] close(3 [pid 4614] <... openat resumed>) = 3 [pid 4613] <... clone3 resumed> => {parent_tid=[4616]}, 88) = 4616 [pid 4612] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4611] +++ exited with 0 +++ [pid 4607] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4606] +++ exited with 0 +++ [pid 4615] <... close resumed>) = 0 [pid 4614] write(3, "1000", 4 [pid 4613] rt_sigprocmask(SIG_SETMASK, [] [pid 4612] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4607] <... futex resumed>) = 0 executing program [pid 4615] write(1, "executing program\n", 18 [pid 4614] <... write resumed>) = 4 [pid 4613] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4612] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4607] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4606, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4615] <... write resumed>) = 18 [pid 4614] close(3 [pid 4613] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4612] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4615] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4613] <... futex resumed>) = 0 [pid 4612] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4615] <... futex resumed>) = 0 [pid 4614] <... close resumed>) = 0 [pid 4613] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4612] <... futex resumed>) = 1 [pid 4607] <... futex resumed>) = 0 [pid 4615] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4614] write(1, "executing program\n", 18 [pid 4612] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4615] <... rt_sigaction resumed>, NULL, 8) = 0 executing program [pid 4607] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4612] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4615] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4614] <... write resumed>) = 18 [pid 4612] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4607] <... futex resumed>) = 0 [pid 4615] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4614] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4612] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4607] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4615] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4614] <... futex resumed>) = 0 [pid 4612] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4607] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4615] <... mmap resumed>) = 0x7f85c0c15000 [pid 4614] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4612] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4616 attached [pid 4615] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4614] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4612] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4607] exit_group(0 [pid 4615] <... mprotect resumed>) = 0 [pid 4614] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4615] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4614] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4612] <... futex resumed>) = ? [pid 4607] <... exit_group resumed>) = ? [pid 4616] set_robust_list(0x7f85c0c359a0, 24 [pid 4615] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4614] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4612] +++ exited with 0 +++ [pid 4616] <... set_robust_list resumed>) = 0 [pid 4615] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4616] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4615] <... clone3 resumed> => {parent_tid=[4617]}, 88) = 4617 [pid 4607] +++ exited with 0 +++ [pid 4616] mkdirat(AT_FDCWD, "./config", 0777 [pid 4615] rt_sigprocmask(SIG_SETMASK, [] [pid 4614] <... mmap resumed>) = 0x7f85c0c15000 [pid 4616] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4615] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4614] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4607, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4616] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4615] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4614] <... mprotect resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4616] <... futex resumed>) = 1 [pid 4615] <... futex resumed>) = 0 [pid 4613] <... futex resumed>) = 0 [pid 4616] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4615] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4614] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4613] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4614] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4613] <... futex resumed>) = 0 [pid 4616] mount(NULL, "./config", "configfs", 0, NULL [pid 4614] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4613] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4616] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4616] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4614] <... clone3 resumed> => {parent_tid=[4618]}, 88) = 4618 [pid 4616] <... futex resumed>) = 1 [pid 4614] rt_sigprocmask(SIG_SETMASK, [] [pid 4613] <... futex resumed>) = 0 [pid 4614] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4613] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4614] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4613] <... futex resumed>) = 0 [pid 4614] <... futex resumed>) = 0 [pid 4613] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4614] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4616] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4616] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4613] <... futex resumed>) = 0 [pid 4616] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4613] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4616] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4613] <... futex resumed>) = 0 [pid 4616] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4613] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4616] <... futex resumed>) = 0 [pid 4613] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4613] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4616] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4613] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4618 attached [pid 4616] <... mkdirat resumed>) = 0 [pid 4613] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4616] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4613] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4616] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 4613] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4616] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4613] <... futex resumed>) = 0 [pid 4616] <... symlinkat resumed>) = 0 [pid 4613] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4618] set_robust_list(0x7f85c0c359a0, 24 [pid 4616] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4613] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] <... restart_syscall resumed>) = 0 [pid 4616] <... futex resumed>) = 0 [pid 4613] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4616] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4613] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4617 attached [pid 4616] <... unlinkat resumed>) = 0 [pid 4613] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4617] set_robust_list(0x7f85c0c359a0, 24 [pid 4616] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4613] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4617] <... set_robust_list resumed>) = 0 [pid 4616] <... futex resumed>) = 0 [pid 4613] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4617] rt_sigprocmask(SIG_SETMASK, [] [pid 4616] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4613] <... futex resumed>) = 0 [pid 4618] <... set_robust_list resumed>) = 0 [pid 4617] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4616] <... unlinkat resumed>) = 0 [pid 4613] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4618] rt_sigprocmask(SIG_SETMASK, [] [pid 4617] mkdirat(AT_FDCWD, "./config", 0777 [pid 4616] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4613] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4617] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4616] <... futex resumed>) = 0 [pid 4617] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4616] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4617] <... futex resumed>) = 1 [pid 4615] <... futex resumed>) = 0 [pid 4617] mount(NULL, "./config", "configfs", 0, NULL [pid 4615] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4617] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4618] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4615] <... futex resumed>) = 0 [pid 4613] exit_group(0 [pid 4617] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4615] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4613] <... exit_group resumed>) = ? [pid 4617] <... futex resumed>) = 0 [pid 4616] <... futex resumed>) = ? [pid 4615] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4619 [pid 4617] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4615] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4617] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4615] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4617] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4615] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 4617] <... futex resumed>) = 0 [pid 4615] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4617] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4615] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4617] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4615] <... futex resumed>) = 0 [pid 4617] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4615] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4617] <... futex resumed>) = 0 [pid 4616] +++ exited with 0 +++ [pid 4615] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4613] +++ exited with 0 +++ [pid 4617] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4615] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4618] mkdirat(AT_FDCWD, "./config", 0777 [pid 4617] <... mkdirat resumed>) = 0 [pid 4615] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4613, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4617] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4615] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4617] <... futex resumed>) = 0 [pid 4615] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] <... restart_syscall resumed>) = 0 [pid 4617] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4615] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4617] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4615] <... futex resumed>) = 0 [pid 4617] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4615] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4617] <... symlinkat resumed>) = 0 [pid 4617] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4618] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4615] <... futex resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4620 [pid 4618] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4617] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4615] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4618] <... futex resumed>) = 1 [pid 4617] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4615] <... futex resumed>) = 0 [pid 4614] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4618] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4617] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4615] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4614] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4620 attached ci2-android-5-15/strace-static-x86_64: Process 4619 attached [pid 4618] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4617] <... unlinkat resumed>) = 0 [pid 4614] <... futex resumed>) = 0 [pid 4619] set_robust_list(0x5555810c5760, 24 [pid 4617] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4619] <... set_robust_list resumed>) = 0 [pid 4617] <... futex resumed>) = 1 [pid 4615] <... futex resumed>) = 0 [pid 4619] rt_sigprocmask(SIG_SETMASK, [] [pid 4618] mount(NULL, "./config", "configfs", 0, NULL [pid 4617] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4615] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4614] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4619] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4617] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4615] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4621 [pid 4619] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4618] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4617] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4615] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4620] set_robust_list(0x5555810c5760, 24 [pid 4619] <... prctl resumed>) = 0 [pid 4618] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4617] <... unlinkat resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4619] setpgid(0, 0 [pid 4617] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4619] <... setpgid resumed>) = 0 [pid 4618] <... futex resumed>) = 1 [pid 4617] <... futex resumed>) = 1 [pid 4615] <... futex resumed>) = 0 [pid 4614] <... futex resumed>) = 0 [pid 4619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4618] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4617] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4615] exit_group(0 [pid 4614] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4620] <... set_robust_list resumed>) = 0 [pid 4619] <... openat resumed>) = 3 [pid 4618] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4617] <... futex resumed>) = ? [pid 4615] <... exit_group resumed>) = ? [pid 4614] <... futex resumed>) = 0 [pid 4620] rt_sigprocmask(SIG_SETMASK, [] [pid 4619] write(3, "1000", 4 [pid 4618] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4617] +++ exited with 0 +++ [pid 4615] +++ exited with 0 +++ [pid 4614] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4620] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4618] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4615, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4618] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4618] <... futex resumed>) = 1 [pid 4614] <... futex resumed>) = 0 [pid 4620] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4618] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4614] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4620] <... prctl resumed>) = 0 [pid 4618] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4614] <... futex resumed>) = 0 [pid 4620] setpgid(0, 0 [pid 4618] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4614] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4621 attached [pid 4620] <... setpgid resumed>) = 0 [pid 4619] <... write resumed>) = 4 [pid 4618] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4621] set_robust_list(0x5555810c5760, 24 [pid 4619] close(3 [pid 4618] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4621] <... set_robust_list resumed>) = 0 [pid 4620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4619] <... close resumed>) = 0 [pid 4621] rt_sigprocmask(SIG_SETMASK, [] [pid 4619] write(1, "executing program\n", 18 [pid 4618] <... futex resumed>) = 1 [pid 4614] <... futex resumed>) = 0 [pid 4620] <... openat resumed>) = 3 [pid 4619] <... write resumed>) = 18 [pid 4618] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL executing program [pid 4614] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4619] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4618] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4614] <... futex resumed>) = 0 [pid 4620] write(3, "1000", 4 [pid 4619] <... futex resumed>) = 0 [pid 4618] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4614] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4620] <... write resumed>) = 4 [pid 4619] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4621] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4618] <... mkdirat resumed>) = 0 [pid 4619] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4620] close(3 [pid 4619] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4618] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4619] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4620] <... close resumed>) = 0 [pid 4619] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4618] <... futex resumed>) = 1 [pid 4614] <... futex resumed>) = 0 [pid 4620] write(1, "executing program\n", 18 [pid 4619] <... mmap resumed>) = 0x7f85c0c15000 [pid 4618] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4614] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4620] <... write resumed>) = 18 [pid 4619] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4618] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4614] <... futex resumed>) = 0 [pid 4619] <... mprotect resumed>) = 0 [pid 4618] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4614] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4620] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4621] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4618] <... symlinkat resumed>) = 0 [pid 4621] setpgid(0, 0 executing program [pid 4620] <... futex resumed>) = 0 [pid 4619] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4618] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4621] <... setpgid resumed>) = 0 [pid 4620] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4619] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4618] <... futex resumed>) = 1 [pid 4614] <... futex resumed>) = 0 [pid 4621] <... openat resumed>) = 3 [pid 4620] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4619] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4618] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4614] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4621] write(3, "1000", 4 [pid 4614] <... futex resumed>) = 0 [pid 4621] <... write resumed>) = 4 [pid 4618] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4614] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4621] close(3 [pid 4620] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4618] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4621] <... close resumed>) = 0 [pid 4620] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4619] <... clone3 resumed> => {parent_tid=[4622]}, 88) = 4622 [pid 4621] write(1, "executing program\n", 18 [pid 4619] rt_sigprocmask(SIG_SETMASK, [] [pid 4618] <... unlinkat resumed>) = 0 [pid 4621] <... write resumed>) = 18 executing program [pid 4620] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4619] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4618] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4621] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4620] <... mmap resumed>) = 0x7f85c0c15000 [pid 4619] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4621] <... futex resumed>) = 0 [pid 4620] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4619] <... futex resumed>) = 0 [pid 4618] <... futex resumed>) = 1 [pid 4614] <... futex resumed>) = 0 [pid 4621] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4620] <... mprotect resumed>) = 0 [pid 4618] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4614] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4621] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4619] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4618] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4614] <... futex resumed>) = 0 [pid 4621] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4620] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4618] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4621] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4620] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4618] <... unlinkat resumed>) = 0 [pid 4614] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4621] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4620] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4618] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4621] <... mmap resumed>) = 0x7f85c0c15000 [pid 4614] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4618] <... futex resumed>) = 0 [pid 4621] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4620] <... clone3 resumed> => {parent_tid=[4623]}, 88) = 4623 [pid 4618] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4614] exit_group(0 [pid 4621] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4620] rt_sigprocmask(SIG_SETMASK, [] [pid 4621] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4618] <... futex resumed>) = ? [pid 4614] <... exit_group resumed>) = ? [pid 4621] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4620] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4618] +++ exited with 0 +++ [pid 4621] <... clone3 resumed> => {parent_tid=[4624]}, 88) = 4624 [pid 4621] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4621] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4621] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4614] +++ exited with 0 +++ [pid 4620] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4614, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4620] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... restart_syscall resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 4625 attached , child_tidptr=0x5555810c5750) = 4625 [pid 311] <... restart_syscall resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4622 attached [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4622] set_robust_list(0x7f85c0c359a0, 24 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4622] <... set_robust_list resumed>) = 0 [pid 4622] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4622] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4622] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4626 [pid 4622] <... futex resumed>) = 1 [pid 4619] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4619] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4619] <... futex resumed>) = 0 [pid 4619] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4622] mount(NULL, "./config", "configfs", 0, NULLci2-android-5-15/strace-static-x86_64: Process 4626 attached [pid 4625] set_robust_list(0x5555810c5760, 24 [pid 4622] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4622] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4622] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 4624 attached [pid 4626] set_robust_list(0x5555810c5760, 24 [pid 4625] <... set_robust_list resumed>) = 0 [pid 4624] set_robust_list(0x7f85c0c359a0, 24 [pid 4619] <... futex resumed>) = 0 [pid 4624] <... set_robust_list resumed>) = 0 [pid 4619] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4624] rt_sigprocmask(SIG_SETMASK, [] [pid 4619] <... futex resumed>) = 1 [pid 4622] <... futex resumed>) = 0 [pid 4619] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4622] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4624] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4622] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4624] mkdirat(AT_FDCWD, "./config", 0777 [pid 4622] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4626] <... set_robust_list resumed>) = 0 [pid 4625] rt_sigprocmask(SIG_SETMASK, [] [pid 4624] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4622] <... futex resumed>) = 1 [pid 4619] <... futex resumed>) = 0 [pid 4624] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4622] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4619] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4626] rt_sigprocmask(SIG_SETMASK, [] [pid 4625] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4619] <... futex resumed>) = 0 [pid 4624] <... futex resumed>) = 1 [pid 4622] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4621] <... futex resumed>) = 0 [pid 4619] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4624] mount(NULL, "./config", "configfs", 0, NULL [pid 4622] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4621] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4619] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4626] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4625] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4624] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4622] <... futex resumed>) = 0 [pid 4621] <... futex resumed>) = 0 [pid 4619] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4624] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4622] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4621] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4625] <... prctl resumed>) = 0 [pid 4619] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4623 attached [pid 4626] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4624] <... futex resumed>) = 0 [pid 4622] <... mkdirat resumed>) = 0 [pid 4621] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4619] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4625] setpgid(0, 0 [pid 4626] <... prctl resumed>) = 0 [pid 4624] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4623] set_robust_list(0x7f85c0c359a0, 24 [pid 4622] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4621] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4619] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4624] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4623] <... set_robust_list resumed>) = 0 [pid 4622] <... futex resumed>) = 0 [pid 4621] <... futex resumed>) = 0 [pid 4619] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4625] <... setpgid resumed>) = 0 [pid 4624] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4623] rt_sigprocmask(SIG_SETMASK, [] [pid 4622] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4621] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4619] <... futex resumed>) = 0 [pid 4625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4624] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4623] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4622] <... symlinkat resumed>) = 0 [pid 4619] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4626] setpgid(0, 0 [pid 4625] <... openat resumed>) = 3 [pid 4624] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4623] mkdirat(AT_FDCWD, "./config", 0777 [pid 4622] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4619] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4625] write(3, "1000", 4 [pid 4624] <... futex resumed>) = 1 [pid 4623] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4622] <... futex resumed>) = 0 [pid 4621] <... futex resumed>) = 0 [pid 4619] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4625] <... write resumed>) = 4 [pid 4624] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4623] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4622] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4621] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4619] <... futex resumed>) = 0 [pid 4625] close(3 [pid 4624] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4623] <... futex resumed>) = 1 [pid 4622] <... unlinkat resumed>) = 0 [pid 4621] <... futex resumed>) = 0 [pid 4626] <... setpgid resumed>) = 0 [pid 4620] <... futex resumed>) = 0 [pid 4619] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4625] <... close resumed>) = 0 [pid 4624] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4623] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4622] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4621] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4620] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4619] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4626] <... openat resumed>) = 3 [pid 4625] write(1, "executing program\n", 18 [pid 4620] <... futex resumed>) = 0 [pid 4619] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 4626] write(3, "1000", 4 [pid 4625] <... write resumed>) = 18 [pid 4622] <... futex resumed>) = 0 [pid 4620] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4624] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4619] <... futex resumed>) = 0 [pid 4623] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4626] <... write resumed>) = 4 [pid 4625] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4624] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4623] mount(NULL, "./config", "configfs", 0, NULL [pid 4622] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4619] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4626] close(3 [pid 4625] <... futex resumed>) = 0 [pid 4624] <... futex resumed>) = 1 [pid 4623] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4621] <... futex resumed>) = 0 [pid 4626] <... close resumed>) = 0 [pid 4625] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4624] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4623] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4622] <... unlinkat resumed>) = 0 [pid 4621] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4626] write(1, "executing program\n", 18 [pid 4625] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4624] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4623] <... futex resumed>) = 1 [pid 4622] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4621] <... futex resumed>) = 0 executing program [pid 4620] <... futex resumed>) = 0 [pid 4626] <... write resumed>) = 18 [pid 4625] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4624] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4623] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4622] <... futex resumed>) = 1 [pid 4621] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4620] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4619] <... futex resumed>) = 0 [pid 4626] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4625] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4622] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4620] <... futex resumed>) = 0 [pid 4619] exit_group(0 [pid 4626] <... futex resumed>) = 0 [pid 4625] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4624] <... mkdirat resumed>) = 0 [pid 4623] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4620] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4619] <... exit_group resumed>) = ? [pid 4622] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 4626] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4625] <... mmap resumed>) = 0x7f85c0c15000 [pid 4624] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4623] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4626] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4622] +++ exited with 0 +++ [pid 4619] +++ exited with 0 +++ [pid 4626] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4619, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4625] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4626] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4624] <... futex resumed>) = 1 [pid 4623] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4621] <... futex resumed>) = 0 [pid 4626] <... mmap resumed>) = 0x7f85c0c15000 [pid 4625] <... mprotect resumed>) = 0 [pid 4624] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4623] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4621] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4626] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4625] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4624] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4621] <... futex resumed>) = 0 [pid 4620] <... futex resumed>) = 0 [pid 4626] <... mprotect resumed>) = 0 [pid 4625] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4624] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4623] <... futex resumed>) = 1 [pid 4621] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4620] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4626] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4625] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4624] <... symlinkat resumed>) = 0 [pid 4623] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4620] <... futex resumed>) = 0 [pid 4626] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4620] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4624] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4625] <... clone3 resumed> => {parent_tid=[4627]}, 88) = 4627 [pid 4623] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4626] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4625] rt_sigprocmask(SIG_SETMASK, [] [pid 4624] <... futex resumed>) = 1 [pid 4623] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4621] <... futex resumed>) = 0 [pid 4625] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4624] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4623] <... futex resumed>) = 1 [pid 4621] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4620] <... futex resumed>) = 0 [pid 4626] <... clone3 resumed> => {parent_tid=[4628]}, 88) = 4628 [pid 4625] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4624] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4623] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4621] <... futex resumed>) = 0 [pid 4620] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4626] rt_sigprocmask(SIG_SETMASK, [] [pid 4625] <... futex resumed>) = 0 [pid 4624] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4623] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4621] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4620] <... futex resumed>) = 0 [pid 4626] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4625] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4624] <... unlinkat resumed>) = 0 [pid 4623] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4620] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4626] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4624] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4623] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4626] <... futex resumed>) = 0 [pid 4624] <... futex resumed>) = 1 [pid 4623] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4621] <... futex resumed>) = 0 [pid 4626] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4624] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4623] <... futex resumed>) = 1 [pid 4621] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4620] <... futex resumed>) = 0 [pid 4624] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4623] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4621] <... futex resumed>) = 0 [pid 4620] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4624] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4623] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4621] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4620] <... futex resumed>) = 0 [pid 4624] <... unlinkat resumed>) = 0 [pid 4623] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4620] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4624] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4623] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4624] <... futex resumed>) = 1 [pid 4623] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4621] <... futex resumed>) = 0 [pid 4624] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4623] <... futex resumed>) = 1 [pid 4621] exit_group(0 [pid 4620] <... futex resumed>) = 0 [pid 4624] <... futex resumed>) = ? [pid 4623] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4621] <... exit_group resumed>) = ? [pid 4620] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4624] +++ exited with 0 +++ [pid 4623] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4621] +++ exited with 0 +++ [pid 4620] <... futex resumed>) = 0 [pid 4623] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4620] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4621, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4623] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4623] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4627 attached ) = 1 [pid 4620] <... futex resumed>) = 0 [pid 4623] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4620] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4623] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4620] <... futex resumed>) = 0 [pid 4623] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4620] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... restart_syscall resumed>) = 0 [pid 4623] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4623] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4627] set_robust_list(0x7f85c0c359a0, 24 [pid 4623] <... futex resumed>) = 1 [pid 4620] <... futex resumed>) = 0 [pid 4627] <... set_robust_list resumed>) = 0 [pid 4623] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4620] exit_group(0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4623] <... futex resumed>) = ? [pid 4620] <... exit_group resumed>) = ? [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4623] +++ exited with 0 +++ [pid 4627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4627] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4627] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4620] +++ exited with 0 +++ [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4627] <... futex resumed>) = 1 [pid 4625] <... futex resumed>) = 0 [pid 4627] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 4628 attached [pid 4628] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4625] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4620, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 4625] <... futex resumed>) = 1 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4629 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4625] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4627] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4627] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 4627] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4628] mkdirat(AT_FDCWD, "./config", 0777 [pid 4627] <... futex resumed>) = 1 [pid 4625] <... futex resumed>) = 0 [pid 4628] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4627] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4625] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4628] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4627] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4625] <... futex resumed>) = 0 [pid 4628] <... futex resumed>) = 1 [pid 4627] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4626] <... futex resumed>) = 0 [pid 4625] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4626] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4625] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4626] <... futex resumed>) = 0 [pid 4625] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4626] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4625] <... futex resumed>) = 0 [pid 4628] mount(NULL, "./config", "configfs", 0, NULL [pid 4627] <... futex resumed>) = 0 [pid 4625] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4628] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4627] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4628] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4627] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4628] <... futex resumed>) = 1 [pid 4627] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4626] <... futex resumed>) = 0 [pid 4628] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4627] <... futex resumed>) = 1 [pid 4626] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4625] <... futex resumed>) = 0 [pid 4628] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4627] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4626] <... futex resumed>) = 0 [pid 4625] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4628] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4627] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4626] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4625] <... futex resumed>) = 0 [pid 4628] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4627] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4628] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4627] <... mkdirat resumed>) = 0 [pid 4625] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 4628] <... futex resumed>) = 1 [pid 4627] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4626] <... futex resumed>) = 0 [pid 4625] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4628] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4627] <... futex resumed>) = 0 [pid 4626] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4625] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4628] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4627] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4628] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4627] <... symlinkat resumed>) = 0 [pid 4626] <... futex resumed>) = 0 [pid 4625] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4628] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4627] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4626] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4625] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4628] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4627] <... futex resumed>) = 0 [pid 4626] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4625] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4629 attached [pid 4628] <... futex resumed>) = 0 [pid 4627] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4626] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4625] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4629] set_robust_list(0x5555810c5760, 24 [pid 4628] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4627] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4629] <... set_robust_list resumed>) = 0 [pid 4628] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4627] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4626] <... futex resumed>) = 0 [pid 4625] <... futex resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4629] rt_sigprocmask(SIG_SETMASK, [] [pid 4628] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4627] <... unlinkat resumed>) = 0 [pid 4626] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4625] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4630 [pid 4629] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4628] <... futex resumed>) = 0 [pid 4627] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4629] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4628] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4627] <... futex resumed>) = 0 [pid 4629] <... prctl resumed>) = 0 [pid 4627] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4626] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4625] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4629] setpgid(0, 0 [pid 4626] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4625] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4631 [pid 4629] <... setpgid resumed>) = 0 [pid 4628] <... futex resumed>) = 0 [pid 4627] <... futex resumed>) = 0 [pid 4626] <... futex resumed>) = 1 [pid 4625] <... futex resumed>) = 1 [pid 4629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4628] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4627] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4626] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4625] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 4631 attached [pid 4629] <... openat resumed>) = 3 [pid 4628] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4627] <... unlinkat resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4629] write(3, "1000", 4 [pid 4628] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4627] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4629] <... write resumed>) = 4 [pid 4628] <... futex resumed>) = 1 [pid 4627] <... futex resumed>) = 1 [pid 4626] <... futex resumed>) = 0 [pid 4625] <... futex resumed>) = 0 [pid 4629] close(3 [pid 4628] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4627] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4626] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4629] <... close resumed>) = 0 [pid 4628] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4626] <... futex resumed>) = 0 [pid 4625] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 4630 attached [pid 4629] write(1, "executing program\n", 18 [pid 4628] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4626] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4627] <... futex resumed>) = ? executing program [pid 4625] <... exit_group resumed>) = ? [pid 4630] set_robust_list(0x5555810c5760, 24 [pid 4629] <... write resumed>) = 18 [pid 4628] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4627] +++ exited with 0 +++ [pid 4630] <... set_robust_list resumed>) = 0 [pid 4629] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4630] rt_sigprocmask(SIG_SETMASK, [] [pid 4629] <... futex resumed>) = 0 [pid 4630] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4629] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4630] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4629] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4628] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4625] +++ exited with 0 +++ [pid 4630] <... prctl resumed>) = 0 [pid 4629] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4628] <... futex resumed>) = 1 [pid 4626] <... futex resumed>) = 0 [pid 4630] setpgid(0, 0 [pid 4629] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4628] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4631] set_robust_list(0x5555810c5760, 24 [pid 4630] <... setpgid resumed>) = 0 [pid 4629] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4628] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4626] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4625, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4631] <... set_robust_list resumed>) = 0 [pid 4630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4629] <... mmap resumed>) = 0x7f85c0c15000 [pid 4628] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4626] <... futex resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4630] <... openat resumed>) = 3 [pid 4629] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4628] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4626] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4631] rt_sigprocmask(SIG_SETMASK, [] [pid 4630] write(3, "1000", 4 [pid 4629] <... mprotect resumed>) = 0 [pid 4628] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4626] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4631] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4630] <... write resumed>) = 4 [pid 4629] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4628] <... futex resumed>) = 0 [pid 4626] exit_group(0 [pid 4630] close(3 [pid 4629] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4626] <... exit_group resumed>) = ? [pid 4631] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4630] <... close resumed>) = 0 [pid 4629] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4631] <... prctl resumed>) = 0 [pid 4630] write(1, "executing program\n", 18) = 18 [pid 4629] <... clone3 resumed> => {parent_tid=[4632]}, 88) = 4632 [pid 4630] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4629] rt_sigprocmask(SIG_SETMASK, [] [pid 4630] <... futex resumed>) = 0 [pid 4629] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4630] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4629] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4630] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4629] <... futex resumed>) = 0 [pid 4630] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4629] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4628] +++ exited with 0 +++ [pid 4626] +++ exited with 0 +++ [pid 4631] setpgid(0, 0 [pid 4630] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4630] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4631] <... setpgid resumed>) = 0 [pid 4630] <... mmap resumed>) = 0x7f85c0c15000 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4626, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4630] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4630] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 executing program [pid 4630] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[4633]}, 88) = 4633 ci2-android-5-15/strace-static-x86_64: Process 4632 attached [pid 4631] <... openat resumed>) = 3 [pid 4630] rt_sigprocmask(SIG_SETMASK, [] [pid 4631] write(3, "1000", 4 [pid 4630] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 4630] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4631] <... write resumed>) = 4 [pid 4630] <... futex resumed>) = 0 [pid 4630] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4633 attached [pid 311] <... restart_syscall resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4631] close(3 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4631] <... close resumed>) = 0 [pid 4631] write(1, "executing program\n", 18 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4631] <... write resumed>) = 18 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4633] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4633] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4633] mkdirat(AT_FDCWD, "./config", 0777 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 4631] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4634 [pid 4631] <... futex resumed>) = 0 [pid 4633] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4633] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4630] <... futex resumed>) = 0 [pid 4630] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4630] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4633] <... futex resumed>) = 1 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4631] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4635 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4631] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4633] mount(NULL, "./config", "configfs", 0, NULL [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4631] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4631] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4631] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4631] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4633] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4631] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4633] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4631] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4630] <... futex resumed>) = 0 [pid 4630] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4630] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4631] <... clone3 resumed> => {parent_tid=[4636]}, 88) = 4636 [pid 4631] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4631] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4631] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4633] <... futex resumed>) = 1 [pid 4633] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4633] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4630] <... futex resumed>) = 0 [pid 4630] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4630] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4633] <... futex resumed>) = 1 [pid 4633] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4633] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4632] set_robust_list(0x7f85c0c359a0, 24 [pid 4630] <... futex resumed>) = 0 [pid 4630] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 ci2-android-5-15/strace-static-x86_64: Process 4636 attached ci2-android-5-15/strace-static-x86_64: Process 4635 attached [pid 4632] <... set_robust_list resumed>) = 0 [pid 4630] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4633] <... futex resumed>) = 1 [pid 4633] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4636] set_robust_list(0x7f85c0c359a0, 24 [pid 4635] set_robust_list(0x5555810c5760, 24 [pid 4633] <... mkdirat resumed>) = 0 [pid 4632] rt_sigprocmask(SIG_SETMASK, [] [pid 4633] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4630] <... futex resumed>) = 0 [pid 4630] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4630] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4633] <... futex resumed>) = 1 [pid 4633] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4636] <... set_robust_list resumed>) = 0 [pid 4635] <... set_robust_list resumed>) = 0 [pid 4633] <... symlinkat resumed>) = 0 [pid 4632] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4633] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4630] <... futex resumed>) = 0 [pid 4630] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4630] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4633] <... futex resumed>) = 1 [pid 4633] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4632] mkdirat(AT_FDCWD, "./config", 0777 [pid 4633] <... unlinkat resumed>) = 0 [pid 4632] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4633] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4635] rt_sigprocmask(SIG_SETMASK, [] [pid 4632] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4630] <... futex resumed>) = 0 [pid 4630] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4630] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4636] rt_sigprocmask(SIG_SETMASK, [] [pid 4635] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4632] <... futex resumed>) = 1 [pid 4629] <... futex resumed>) = 0 [pid 4633] <... futex resumed>) = 1 [pid 4629] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4633] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4629] <... futex resumed>) = 0 [pid 4636] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4635] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4633] <... unlinkat resumed>) = 0 [pid 4632] mount(NULL, "./config", "configfs", 0, NULL [pid 4629] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4633] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4632] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4635] <... prctl resumed>) = 0 [pid 4632] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4635] setpgid(0, 0 [pid 4633] <... futex resumed>) = 1 [pid 4632] <... futex resumed>) = 1 [pid 4630] <... futex resumed>) = 0 [pid 4629] <... futex resumed>) = 0 [pid 4636] mkdirat(AT_FDCWD, "./config", 0777 [pid 4635] <... setpgid resumed>) = 0 [pid 4633] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4632] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4630] exit_group(0 [pid 4629] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4633] <... futex resumed>) = ? [pid 4632] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4630] <... exit_group resumed>) = ? [pid 4629] <... futex resumed>) = 0 [pid 4636] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4635] <... openat resumed>) = 3 [pid 4633] +++ exited with 0 +++ [pid 4632] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4630] +++ exited with 0 +++ [pid 4629] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4635] write(3, "1000", 4 [pid 4632] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4636] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4632] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4630, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4635] <... write resumed>) = 4 [pid 4632] <... futex resumed>) = 1 [pid 4629] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4636] <... futex resumed>) = 1 [pid 4635] close(3 [pid 4632] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4631] <... futex resumed>) = 0 [pid 4629] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4632] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4631] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4629] <... futex resumed>) = 0 [pid 4636] mount(NULL, "./config", "configfs", 0, NULL [pid 4635] <... close resumed>) = 0 [pid 4632] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4631] <... futex resumed>) = 0 [pid 4629] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4635] write(1, "executing program\n", 18 [pid 4632] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4631] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4636] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4635] <... write resumed>) = 18 [pid 4632] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4634 attached [pid 4635] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4636] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4632] <... futex resumed>) = 1 [pid 4629] <... futex resumed>) = 0 [pid 4635] <... futex resumed>) = 0 [pid 4632] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4629] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4636] <... futex resumed>) = 1 executing program [pid 4635] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4632] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4631] <... futex resumed>) = 0 [pid 4629] <... futex resumed>) = 0 [pid 4636] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4635] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4632] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4631] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4629] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4631] <... futex resumed>) = 0 [pid 4634] set_robust_list(0x5555810c5760, 24 [pid 4631] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4636] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4635] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4632] <... mkdirat resumed>) = 0 [pid 4635] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4634] <... set_robust_list resumed>) = 0 [pid 4632] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4636] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4632] <... futex resumed>) = 1 [pid 4635] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4629] <... futex resumed>) = 0 [pid 4636] <... futex resumed>) = 1 [pid 4632] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4631] <... futex resumed>) = 0 [pid 4636] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4635] <... mmap resumed>) = 0x7f85c0c15000 [pid 4632] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4631] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4629] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4631] <... futex resumed>) = 0 [pid 4629] <... futex resumed>) = 0 [pid 4632] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4636] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4635] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4631] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4629] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4635] <... mprotect resumed>) = 0 [pid 4636] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4632] <... symlinkat resumed>) = 0 [pid 4632] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4629] <... futex resumed>) = 0 [pid 4635] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4632] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4629] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4636] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4635] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4629] <... futex resumed>) = 0 [pid 4636] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4635] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4632] <... unlinkat resumed>) = 0 [pid 4629] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4632] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4629] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4636] <... futex resumed>) = 1 [pid 4634] rt_sigprocmask(SIG_SETMASK, [] [pid 4632] <... futex resumed>) = 0 [pid 4631] <... futex resumed>) = 0 [pid 4629] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... restart_syscall resumed>) = 0 [pid 4636] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4634] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4632] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4631] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4629] <... futex resumed>) = 0 [pid 4636] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4635] <... clone3 resumed> => {parent_tid=[4637]}, 88) = 4637 [pid 4634] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4632] <... unlinkat resumed>) = 0 [pid 4631] <... futex resumed>) = 0 [pid 4629] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4636] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4635] rt_sigprocmask(SIG_SETMASK, [] [pid 4634] <... prctl resumed>) = 0 [pid 4632] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4631] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4629] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4636] <... mkdirat resumed>) = 0 [pid 4635] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4634] setpgid(0, 0 [pid 4632] <... futex resumed>) = 0 [pid 4629] exit_group(0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4636] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4635] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4634] <... setpgid resumed>) = 0 [pid 4629] <... exit_group resumed>) = ? [pid 4636] <... futex resumed>) = 1 [pid 4635] <... futex resumed>) = 0 [pid 4634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4632] +++ exited with 0 +++ [pid 4631] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4634] <... openat resumed>) = 3 [pid 4634] write(3, "1000", 4) = 4 [pid 4634] close(3 [pid 4629] +++ exited with 0 +++ [pid 4634] <... close resumed>) = 0 [pid 4631] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4636] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4635] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4634] write(1, "executing program\n", 18 [pid 4631] <... futex resumed>) = 0 [pid 4634] <... write resumed>) = 18 [pid 4634] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4634] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4631] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4629, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4634] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4638 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4636] <... symlinkat resumed>) = 0 [pid 4634] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 4636] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4634] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4636] <... futex resumed>) = 1 [pid 4634] <... mmap resumed>) = 0x7f85c0c15000 [pid 4631] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4636] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4634] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4631] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4636] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4634] <... mprotect resumed>) = 0 [pid 4631] <... futex resumed>) = 0 [pid 4636] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4634] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4631] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4636] <... unlinkat resumed>) = 0 [pid 4634] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4636] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4634] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4636] <... futex resumed>) = 1 [pid 4631] <... futex resumed>) = 0 [pid 4636] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4634] <... clone3 resumed> => {parent_tid=[4639]}, 88) = 4639 [pid 4631] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4636] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4634] rt_sigprocmask(SIG_SETMASK, [] [pid 4631] <... futex resumed>) = 0 [pid 4636] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4634] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4634] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4631] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4636] <... unlinkat resumed>) = 0 [pid 4634] <... futex resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4636] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4634] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4636] <... futex resumed>) = 1 [pid 4631] <... futex resumed>) = 0 [pid 4636] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4631] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 4637 attached ) = ? [pid 4636] <... futex resumed>) = -1 ENOSYS (Function not implemented) [pid 4637] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4637] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4637] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4637] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4637] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4637] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 4639 attached [pid 4635] <... futex resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4640 [pid 4639] set_robust_list(0x7f85c0c359a0, 24 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4635] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4635] <... futex resumed>) = 1 [pid 4635] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4637] <... futex resumed>) = 0 [pid 4637] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 4636] +++ exited with 0 +++ [pid 4631] +++ exited with 0 +++ [pid 4637] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4631, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 4638 attached [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4637] <... futex resumed>) = 1 [pid 4635] <... futex resumed>) = 0 [pid 4638] set_robust_list(0x5555810c5760, 24 [pid 4635] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4637] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4638] <... set_robust_list resumed>) = 0 [pid 4635] <... futex resumed>) = 0 [pid 4635] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4638] rt_sigprocmask(SIG_SETMASK, [] [pid 4637] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4637] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4638] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4635] <... futex resumed>) = 0 [pid 4637] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4635] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4637] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4638] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4635] <... futex resumed>) = 0 [pid 4637] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4638] <... prctl resumed>) = 0 [pid 4635] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4638] setpgid(0, 0 [pid 4637] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4637] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4637] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4639] <... set_robust_list resumed>) = 0 [pid 4639] rt_sigprocmask(SIG_SETMASK, [] [pid 4638] <... setpgid resumed>) = 0 [pid 4635] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4639] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4635] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4639] mkdirat(AT_FDCWD, "./config", 0777 [pid 4638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4637] <... futex resumed>) = 0 [pid 4635] <... futex resumed>) = 1 [pid 4639] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4638] <... openat resumed>) = 3 [pid 4637] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4635] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4639] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4634] <... futex resumed>) = 0 [pid 4639] mount(NULL, "./config", "configfs", 0, NULL [pid 4637] <... mkdirat resumed>) = 0 [pid 4634] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4638] write(3, "1000", 4 [pid 4639] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4637] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4634] <... futex resumed>) = 0 [pid 4639] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4634] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4639] <... futex resumed>) = 0 [pid 4638] <... write resumed>) = 4 [pid 4637] <... futex resumed>) = 1 [pid 4635] <... futex resumed>) = 0 [pid 4634] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4639] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4638] close(3 [pid 4637] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4635] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4634] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4639] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4638] <... close resumed>) = 0 [pid 4637] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4635] <... futex resumed>) = 0 [pid 4634] <... futex resumed>) = 0 [pid 4639] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4638] write(1, "executing program\n", 18 [pid 4637] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4635] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4634] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4639] <... futex resumed>) = 0 [pid 4637] <... symlinkat resumed>) = 0 [pid 4634] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4639] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 executing program [pid 4638] <... write resumed>) = 18 [pid 4637] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4634] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4639] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4638] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4637] <... futex resumed>) = 1 [pid 4635] <... futex resumed>) = 0 [pid 4634] <... futex resumed>) = 0 [pid 4639] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4638] <... futex resumed>) = 0 [pid 4637] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4635] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4634] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4640 attached [pid 4639] <... futex resumed>) = 0 [pid 4638] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4637] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4635] <... futex resumed>) = 0 [pid 4634] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4640] set_robust_list(0x5555810c5760, 24 [pid 4639] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4638] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4637] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4635] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4634] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4640] <... set_robust_list resumed>) = 0 [pid 4639] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4638] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4637] <... unlinkat resumed>) = 0 [pid 4634] <... futex resumed>) = 0 [pid 4640] rt_sigprocmask(SIG_SETMASK, [] [pid 4639] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4638] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4637] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4634] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4640] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4639] <... futex resumed>) = 0 [pid 4638] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4637] <... futex resumed>) = 1 [pid 4635] <... futex resumed>) = 0 [pid 4634] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] <... restart_syscall resumed>) = 0 [pid 4639] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4638] <... mmap resumed>) = 0x7f85c0c15000 [pid 4637] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4635] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4634] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4640] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4639] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4638] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4637] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4635] <... futex resumed>) = 0 [pid 4634] <... futex resumed>) = 0 [pid 4640] <... prctl resumed>) = 0 [pid 4639] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4638] <... mprotect resumed>) = 0 [pid 4637] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4635] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4640] setpgid(0, 0 [pid 4639] <... symlinkat resumed>) = 0 [pid 4638] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4637] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 4634] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4640] <... setpgid resumed>) = 0 [pid 4639] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4638] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4637] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4634] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4639] <... futex resumed>) = 0 [pid 4638] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4637] <... futex resumed>) = 1 [pid 4635] <... futex resumed>) = 0 [pid 4634] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4641 attached [pid 4640] <... openat resumed>) = 3 [pid 4639] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4637] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4635] exit_group(0 [pid 4634] <... futex resumed>) = 0 [pid 4641] set_robust_list(0x5555810c5760, 24 [pid 4640] write(3, "1000", 4 [pid 4639] <... unlinkat resumed>) = 0 [pid 4638] <... clone3 resumed> => {parent_tid=[4642]}, 88) = 4642 [pid 4637] <... futex resumed>) = ? [pid 4635] <... exit_group resumed>) = ? [pid 4634] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4641 [pid 4641] <... set_robust_list resumed>) = 0 [pid 4640] <... write resumed>) = 4 [pid 4639] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4638] rt_sigprocmask(SIG_SETMASK, [] [pid 4637] +++ exited with 0 +++ [pid 4634] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4640] close(3 [pid 4639] <... futex resumed>) = 0 [pid 4634] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4640] <... close resumed>) = 0 [pid 4639] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4634] <... futex resumed>) = 0 [pid 4640] write(1, "executing program\n", 18 [pid 4639] <... unlinkat resumed>) = 0 [pid 4635] +++ exited with 0 +++ [pid 4634] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4641] rt_sigprocmask(SIG_SETMASK, [] [pid 4640] <... write resumed>) = 18 [pid 4639] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4638] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4634] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4641] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4640] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4639] <... futex resumed>) = 0 [pid 4638] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4634] exit_group(0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4635, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program ci2-android-5-15/strace-static-x86_64: Process 4642 attached [pid 4641] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4640] <... futex resumed>) = 0 [pid 4638] <... futex resumed>) = 0 [pid 4634] <... exit_group resumed>) = ? [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4641] <... prctl resumed>) = 0 [pid 4640] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4639] +++ exited with 0 +++ [pid 4638] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4634] +++ exited with 0 +++ [pid 4640] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4641] setpgid(0, 0 [pid 4640] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4641] <... setpgid resumed>) = 0 [pid 4640] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4634, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4640] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4640] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4640] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4641] <... openat resumed>) = 3 [pid 4640] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4642] set_robust_list(0x7f85c0c359a0, 24 [pid 4641] write(3, "1000", 4 [pid 4640] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4642] <... set_robust_list resumed>) = 0 [pid 4642] rt_sigprocmask(SIG_SETMASK, [] [pid 4641] <... write resumed>) = 4 [pid 4640] <... clone3 resumed> => {parent_tid=[4643]}, 88) = 4643 [pid 4642] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4641] close(3 [pid 4640] rt_sigprocmask(SIG_SETMASK, [] [pid 4642] mkdirat(AT_FDCWD, "./config", 0777 [pid 4641] <... close resumed>) = 0 [pid 4640] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4642] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4641] write(1, "executing program\n", 18 [pid 4640] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4642] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4640] <... futex resumed>) = 0 executing program [pid 4641] <... write resumed>) = 18 [pid 4640] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4642] <... futex resumed>) = 1 [pid 4638] <... futex resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 4641] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4638] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4642] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 4641] <... futex resumed>) = 0 [pid 4638] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4641] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4641] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4641] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4642] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4642] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 4643 attached [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4638] <... futex resumed>) = 0 [pid 4643] set_robust_list(0x7f85c0c359a0, 24 [pid 4638] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4643] <... set_robust_list resumed>) = 0 [pid 4643] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4643] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4643] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4638] <... futex resumed>) = 1 [pid 4641] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4638] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4644 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4645 [pid 4641] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4641] <... mmap resumed>) = 0x7f85c0c15000 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4641] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4642] <... futex resumed>) = 0 [pid 4641] <... mprotect resumed>) = 0 [pid 4642] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4642] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4641] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4642] <... futex resumed>) = 1 [pid 4641] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4638] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4645 attached [pid 4642] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4643] <... futex resumed>) = 1 [pid 4643] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 4644 attached [pid 4644] set_robust_list(0x5555810c5760, 24 [pid 4640] <... futex resumed>) = 0 [pid 4641] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4638] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4640] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4644] <... set_robust_list resumed>) = 0 [pid 4642] <... futex resumed>) = 0 [pid 4641] <... clone3 resumed> => {parent_tid=[4646]}, 88) = 4646 [pid 4640] <... futex resumed>) = 1 [pid 4638] <... futex resumed>) = 1 [pid 4642] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4641] rt_sigprocmask(SIG_SETMASK, [] [pid 4640] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4638] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4643] <... futex resumed>) = 0 [pid 4642] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4641] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4643] mount(NULL, "./config", "configfs", 0, NULL [pid 4642] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4641] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4645] set_robust_list(0x5555810c5760, 24 [pid 4643] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4642] <... futex resumed>) = 1 [pid 4641] <... futex resumed>) = 0 [pid 4638] <... futex resumed>) = 0 [pid 4643] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4642] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4641] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4638] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4643] <... futex resumed>) = 1 [pid 4642] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4640] <... futex resumed>) = 0 [pid 4638] <... futex resumed>) = 0 [pid 4643] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4642] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4640] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4638] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4645] <... set_robust_list resumed>) = 0 [pid 4643] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4642] <... mkdirat resumed>) = 0 [pid 4640] <... futex resumed>) = 0 [pid 4643] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4642] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4640] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4643] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4642] <... futex resumed>) = 1 [pid 4638] <... futex resumed>) = 0 [pid 4643] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4642] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4638] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4643] <... futex resumed>) = 1 [pid 4642] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4640] <... futex resumed>) = 0 [pid 4638] <... futex resumed>) = 0 [pid 4645] rt_sigprocmask(SIG_SETMASK, [] [pid 4643] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4642] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4640] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4638] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4645] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4643] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4642] <... symlinkat resumed>) = 0 [pid 4640] <... futex resumed>) = 0 [pid 4643] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4642] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4640] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4645] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4643] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4642] <... futex resumed>) = 1 [pid 4638] <... futex resumed>) = 0 [pid 4645] <... prctl resumed>) = 0 [pid 4644] rt_sigprocmask(SIG_SETMASK, [] [pid 4643] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4642] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4638] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4645] setpgid(0, 0 [pid 4644] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4643] <... futex resumed>) = 1 [pid 4642] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4640] <... futex resumed>) = 0 [pid 4645] <... setpgid resumed>) = 0 [pid 4644] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4643] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4642] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4640] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4638] <... futex resumed>) = 0 [pid 4644] <... prctl resumed>) = 0 [pid 4643] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4642] <... unlinkat resumed>) = 0 [pid 4640] <... futex resumed>) = 0 [pid 4645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4644] setpgid(0, 0 [pid 4643] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4642] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4640] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4638] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4645] <... openat resumed>) = 3 [pid 4644] <... setpgid resumed>) = 0 [pid 4643] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4642] <... futex resumed>) = 0 [pid 4638] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4643] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4642] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4638] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4645] write(3, "1000", 4 [pid 4644] <... openat resumed>) = 3 [pid 4643] <... futex resumed>) = 1 [pid 4642] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4640] <... futex resumed>) = 0 [pid 4638] <... futex resumed>) = 0 [pid 4645] <... write resumed>) = 4 [pid 4644] write(3, "1000", 4 [pid 4643] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4642] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4640] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4645] close(3 [pid 4638] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4645] <... close resumed>) = 0 [pid 4644] <... write resumed>) = 4 [pid 4643] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4642] <... unlinkat resumed>) = 0 [pid 4640] <... futex resumed>) = 0 [pid 4645] write(1, "executing program\n", 18 [pid 4644] close(3 executing program [pid 4643] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4642] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4640] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4646 attached [pid 4645] <... write resumed>) = 18 [pid 4644] <... close resumed>) = 0 [pid 4643] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4642] <... futex resumed>) = 1 [pid 4638] <... futex resumed>) = 0 [pid 4646] set_robust_list(0x7f85c0c359a0, 24 [pid 4645] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4644] write(1, "executing program\n", 18 [pid 4643] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4642] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4646] <... set_robust_list resumed>) = 0 [pid 4645] <... futex resumed>) = 0 [pid 4644] <... write resumed>) = 18 executing program [pid 4643] <... futex resumed>) = 1 [pid 4640] <... futex resumed>) = 0 [pid 4638] exit_group(0 [pid 4646] rt_sigprocmask(SIG_SETMASK, [] [pid 4645] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4644] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4643] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4642] <... futex resumed>) = ? [pid 4640] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4638] <... exit_group resumed>) = ? [pid 4646] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4644] <... futex resumed>) = 0 [pid 4643] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4642] +++ exited with 0 +++ [pid 4646] mkdirat(AT_FDCWD, "./config", 0777 [pid 4644] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4643] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4640] <... futex resumed>) = 0 [pid 4646] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4644] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4643] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4646] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4644] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4643] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4646] <... futex resumed>) = 1 [pid 4644] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4643] <... futex resumed>) = 0 [pid 4638] +++ exited with 0 +++ [pid 4646] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4645] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4644] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4643] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4641] <... futex resumed>) = 0 [pid 4640] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4645] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4644] <... mmap resumed>) = 0x7f85c0c15000 [pid 4641] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4640] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4638, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4645] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4644] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4641] <... futex resumed>) = 1 [pid 4640] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4646] <... futex resumed>) = 0 [pid 4645] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4644] <... mprotect resumed>) = 0 [pid 4643] <... futex resumed>) = 0 [pid 4641] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4640] <... futex resumed>) = 1 [pid 4646] mount(NULL, "./config", "configfs", 0, NULL [pid 4645] <... mmap resumed>) = 0x7f85c0c15000 [pid 4644] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4643] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4640] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4646] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4645] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4644] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4643] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4646] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4645] <... mprotect resumed>) = 0 [pid 4644] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4643] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4646] <... futex resumed>) = 1 [pid 4645] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4641] <... futex resumed>) = 0 [pid 4643] <... futex resumed>) = 1 [pid 4646] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4645] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4644] <... clone3 resumed> => {parent_tid=[4647]}, 88) = 4647 [pid 4643] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4641] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4640] <... futex resumed>) = 0 [pid 4646] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4645] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4644] rt_sigprocmask(SIG_SETMASK, [] [pid 4641] <... futex resumed>) = 0 [pid 4646] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4644] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4640] exit_group(0 [pid 4646] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4645] <... clone3 resumed> => {parent_tid=[4648]}, 88) = 4648 [pid 4644] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4641] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4640] <... exit_group resumed>) = ? [pid 4643] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 4646] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4645] rt_sigprocmask(SIG_SETMASK, [] [pid 4644] <... futex resumed>) = 0 [pid 4641] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4644] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4648 attached [pid 4648] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4648] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4648] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4643] +++ exited with 0 +++ [pid 4640] +++ exited with 0 +++ [pid 4641] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4640, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4645] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4641] <... futex resumed>) = 0 [pid 4646] <... futex resumed>) = 0 [pid 4645] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4641] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4646] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4645] <... futex resumed>) = 1 [pid 4648] <... futex resumed>) = 0 [pid 4645] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4646] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4648] mkdirat(AT_FDCWD, "./config", 0777 [pid 4646] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4648] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4646] <... futex resumed>) = 1 [pid 4641] <... futex resumed>) = 0 [pid 4646] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4641] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4646] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4641] <... futex resumed>) = 0 [pid 4648] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4641] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4646] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 312] <... restart_syscall resumed>) = 0 [pid 4648] <... futex resumed>) = 1 [pid 4645] <... futex resumed>) = 0 [pid 4645] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4648] mount(NULL, "./config", "configfs", 0, NULL [pid 4645] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4645] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4646] <... mkdirat resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4646] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4648] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4648] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4648] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4646] <... futex resumed>) = 1 [pid 4645] <... futex resumed>) = 0 [pid 4641] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4649 [pid 4646] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4645] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4641] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4646] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4645] <... futex resumed>) = 0 [pid 4641] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4646] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4645] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4641] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4648] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4648] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4646] <... symlinkat resumed>) = 0 [pid 4648] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4646] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4648] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4646] <... futex resumed>) = 1 [pid 4641] <... futex resumed>) = 0 [pid 4646] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4641] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4646] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4641] <... futex resumed>) = 0 [pid 4646] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4641] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4646] <... unlinkat resumed>) = 0 [pid 4648] <... futex resumed>) = 1 [pid 4645] <... futex resumed>) = 0 [pid 4646] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4645] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4646] <... futex resumed>) = 1 [pid 4645] <... futex resumed>) = 0 [pid 4641] <... futex resumed>) = 0 [pid 4646] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4645] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4641] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4646] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4641] <... futex resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4646] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4641] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4648] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4646] <... unlinkat resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4646] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4646] <... futex resumed>) = 1 [pid 4641] <... futex resumed>) = 0 [pid 4648] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4648] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 4647 attached [pid 4647] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4641] exit_group(0 [pid 4646] ???( [pid 4645] <... futex resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4650 [pid 4641] <... exit_group resumed>) = ? [pid 4646] <... ??? resumed>) = ? [pid 4645] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4647] rt_sigprocmask(SIG_SETMASK, [] [pid 4645] <... futex resumed>) = 1 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4645] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4648] <... futex resumed>) = 0 [pid 4648] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4648] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4645] <... futex resumed>) = 0 [pid 4646] +++ exited with 0 +++ [pid 4645] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4641] +++ exited with 0 +++ [pid 4645] <... futex resumed>) = 0 [pid 4645] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4641, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4648] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4648] <... symlinkat resumed>) = 0 [pid 4648] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4645] <... futex resumed>) = 0 [pid 4648] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4645] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4648] <... unlinkat resumed>) = 0 [pid 4645] <... futex resumed>) = 0 [pid 4648] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4645] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4648] <... futex resumed>) = 0 [pid 4645] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4648] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4645] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4648] <... unlinkat resumed>) = 0 [pid 4645] <... futex resumed>) = 0 [pid 4648] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4645] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4648] <... futex resumed>) = 0 [pid 4645] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4648] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4645] exit_group(0 [pid 4648] <... futex resumed>) = ? [pid 4645] <... exit_group resumed>) = ? [pid 4648] +++ exited with 0 +++ [pid 4647] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4647] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4647] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4644] <... futex resumed>) = 0 [pid 4644] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4644] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4645] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 4649 attached [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4645, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4647] <... futex resumed>) = 1 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4649] set_robust_list(0x5555810c5760, 24 [pid 305] <... restart_syscall resumed>) = 0 [pid 4649] <... set_robust_list resumed>) = 0 [pid 4647] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 4647] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4649] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4649] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4647] <... futex resumed>) = 1 [pid 4644] <... futex resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4649] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4647] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4644] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4647] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4644] <... futex resumed>) = 0 [pid 4647] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4644] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4647] <... futex resumed>) = 0 [pid 4644] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4649] <... prctl resumed>) = 0 [pid 4647] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4644] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4651 [pid 4647] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4644] <... futex resumed>) = 0 [pid 4649] setpgid(0, 0 [pid 4647] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4644] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4647] <... futex resumed>) = 0 [pid 4644] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4649] <... setpgid resumed>) = 0 [pid 4647] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4644] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4651 attached [pid 4649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4647] <... mkdirat resumed>) = 0 [pid 4644] <... futex resumed>) = 0 [pid 4647] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4644] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4647] <... futex resumed>) = 0 [pid 4644] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4649] <... openat resumed>) = 3 [pid 4647] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4644] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4651] set_robust_list(0x5555810c5760, 24 [pid 4649] write(3, "1000", 4 [pid 4647] <... symlinkat resumed>) = 0 [pid 4644] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4650 attached [pid 4647] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4644] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4650] set_robust_list(0x5555810c5760, 24 [pid 4647] <... futex resumed>) = 0 [pid 4644] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4650] <... set_robust_list resumed>) = 0 [pid 4647] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4644] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4651] <... set_robust_list resumed>) = 0 [pid 4650] rt_sigprocmask(SIG_SETMASK, [] [pid 4649] <... write resumed>) = 4 [pid 4647] <... unlinkat resumed>) = 0 [pid 4644] <... futex resumed>) = 0 [pid 4650] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4647] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4644] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4651] rt_sigprocmask(SIG_SETMASK, [] [pid 4650] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4649] close(3 [pid 4647] <... futex resumed>) = 0 [pid 4644] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4650] <... prctl resumed>) = 0 [pid 4647] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4644] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4651] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4650] setpgid(0, 0 [pid 4649] <... close resumed>) = 0 [pid 4647] <... unlinkat resumed>) = 0 [pid 4644] <... futex resumed>) = 0 [pid 4650] <... setpgid resumed>) = 0 [pid 4649] write(1, "executing program\n", 18 executing program [pid 4647] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4644] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4649] <... write resumed>) = 18 [pid 4647] <... futex resumed>) = 0 [pid 4644] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4651] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4650] <... openat resumed>) = 3 [pid 4649] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4647] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4644] exit_group(0 [pid 304] <... restart_syscall resumed>) = 0 [pid 4651] <... prctl resumed>) = 0 [pid 4650] write(3, "1000", 4 [pid 4649] <... futex resumed>) = 0 [pid 4647] <... futex resumed>) = ? [pid 4644] <... exit_group resumed>) = ? [pid 4651] setpgid(0, 0 [pid 4650] <... write resumed>) = 4 [pid 4649] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4647] +++ exited with 0 +++ [pid 4650] close(3) = 0 [pid 4650] write(1, "executing program\n", 18) = 18 [pid 4650] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4644] +++ exited with 0 +++ [pid 4650] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4650] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] executing program [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4644, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4649] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4651] <... setpgid resumed>) = 0 [pid 4649] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4649] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4651] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4649] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4650] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4650] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4650] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4650] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4649] <... mmap resumed>) = 0x7f85c0c15000 [pid 4651] <... openat resumed>) = 3 [pid 4650] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4649] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4652 [pid 4650] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4649] <... mprotect resumed>) = 0 [pid 4651] write(3, "1000", 4 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4651] <... write resumed>) = 4 [pid 4650] <... clone3 resumed> => {parent_tid=[4653]}, 88) = 4653 [pid 4649] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4650] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4649] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4651] close(3 [pid 4650] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4649] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4650] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4651] <... close resumed>) = 0 [pid 4650] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4649] <... clone3 resumed> => {parent_tid=[4654]}, 88) = 4654 [pid 4651] write(1, "executing program\n", 18 [pid 4649] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 4652 attached executing program [pid 4651] <... write resumed>) = 18 [pid 4649] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4651] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4649] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4652] set_robust_list(0x5555810c5760, 24 [pid 4651] <... futex resumed>) = 0 [pid 4649] <... futex resumed>) = 0 [pid 4652] <... set_robust_list resumed>) = 0 [pid 4651] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4649] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4651] <... rt_sigaction resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4653 attached [pid 4652] rt_sigprocmask(SIG_SETMASK, [] [pid 4651] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4652] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 4651] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4652] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4651] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4652] <... prctl resumed>) = 0 [pid 4652] setpgid(0, 0 [pid 4651] <... mmap resumed>) = 0x7f85c0c15000 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4652] <... setpgid resumed>) = 0 [pid 4651] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4652] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4651] <... mprotect resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4652] <... openat resumed>) = 3 [pid 4652] write(3, "1000", 4) = 4 [pid 4652] close(3) = 0 [pid 4652] write(1, "executing program\n", 18) = 18 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4655 executing program [pid 4651] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4652] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4651] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4651] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4652] <... futex resumed>) = 0 [pid 4652] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4652] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4651] <... clone3 resumed> => {parent_tid=[4656]}, 88) = 4656 [pid 4652] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4651] rt_sigprocmask(SIG_SETMASK, [] [pid 4652] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4651] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4652] <... mmap resumed>) = 0x7f85c0c15000 [pid 4651] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4654 attached ) = 0 [pid 4654] set_robust_list(0x7f85c0c359a0, 24 [pid 4652] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4651] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4655 attached [pid 4653] set_robust_list(0x7f85c0c359a0, 24 [pid 4652] <... mprotect resumed>) = 0 [pid 4652] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4653] <... set_robust_list resumed>) = 0 [pid 4652] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4652] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4653] rt_sigprocmask(SIG_SETMASK, [] [pid 4652] <... clone3 resumed> => {parent_tid=[4657]}, 88) = 4657 [pid 4652] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4652] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4652] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4656 attached [pid 4656] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4656] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4656] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4656] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4651] <... futex resumed>) = 0 [pid 4653] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4651] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4656] mount(NULL, "./config", "configfs", 0, NULL [pid 4651] <... futex resumed>) = 0 [pid 4653] mkdirat(AT_FDCWD, "./config", 0777 [pid 4651] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4656] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4653] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4656] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4651] <... futex resumed>) = 0 [pid 4653] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4651] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4656] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4651] <... futex resumed>) = 0 [pid 4653] <... futex resumed>) = 1 [pid 4650] <... futex resumed>) = 0 [pid 4651] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4650] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4653] mount(NULL, "./config", "configfs", 0, NULL [pid 4650] <... futex resumed>) = 0 [pid 4650] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4653] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4656] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4653] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4650] <... futex resumed>) = 0 [pid 4653] <... futex resumed>) = 1 [pid 4650] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4653] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4650] <... futex resumed>) = 0 [pid 4656] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4653] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4650] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4656] <... futex resumed>) = 1 [pid 4655] set_robust_list(0x5555810c5760, 24 [pid 4654] <... set_robust_list resumed>) = 0 [pid 4653] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4651] <... futex resumed>) = 0 [pid 4650] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4656] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4655] <... set_robust_list resumed>) = 0 [pid 4654] rt_sigprocmask(SIG_SETMASK, [] [pid 4653] <... futex resumed>) = 0 [pid 4651] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4650] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4656] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4654] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4653] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4651] <... futex resumed>) = 0 [pid 4650] <... futex resumed>) = 0 [pid 4656] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4655] rt_sigprocmask(SIG_SETMASK, [] [pid 4654] mkdirat(AT_FDCWD, "./config", 0777 [pid 4653] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4651] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4650] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4656] <... futex resumed>) = 0 [pid 4655] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4654] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4653] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4651] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4650] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4656] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4654] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4653] <... futex resumed>) = 0 [pid 4651] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4650] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4656] <... mkdirat resumed>) = 0 [pid 4655] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4654] <... futex resumed>) = 1 [pid 4653] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4651] <... futex resumed>) = 0 [pid 4650] <... futex resumed>) = 0 [pid 4649] <... futex resumed>) = 0 [pid 4656] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4655] <... prctl resumed>) = 0 [pid 4654] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4653] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4651] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4650] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4649] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4656] <... futex resumed>) = 0 [pid 4655] setpgid(0, 0 [pid 4654] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4653] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4651] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4650] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4649] <... futex resumed>) = 0 [pid 4656] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4655] <... setpgid resumed>) = 0 [pid 4654] mount(NULL, "./config", "configfs", 0, NULL [pid 4653] <... futex resumed>) = 0 [pid 4651] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4650] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4649] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4657 attached [pid 4656] <... symlinkat resumed>) = 0 [pid 4655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4654] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4653] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4651] <... futex resumed>) = 0 [pid 4650] <... futex resumed>) = 0 [pid 4657] set_robust_list(0x7f85c0c359a0, 24 [pid 4656] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4655] <... openat resumed>) = 3 [pid 4654] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4653] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4651] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4650] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4657] <... set_robust_list resumed>) = 0 [pid 4656] <... futex resumed>) = 0 [pid 4655] write(3, "1000", 4 [pid 4654] <... futex resumed>) = 1 [pid 4653] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4651] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4650] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4649] <... futex resumed>) = 0 [pid 4657] rt_sigprocmask(SIG_SETMASK, [] [pid 4656] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4655] <... write resumed>) = 4 [pid 4654] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4653] <... futex resumed>) = 0 [pid 4651] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4650] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4649] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4657] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4656] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4655] close(3 [pid 4654] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4653] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4651] <... futex resumed>) = 0 [pid 4650] <... futex resumed>) = 0 [pid 4649] <... futex resumed>) = 0 [pid 4657] mkdirat(AT_FDCWD, "./config", 0777 [pid 4656] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4655] <... close resumed>) = 0 [pid 4654] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4653] <... unlinkat resumed>) = 0 [pid 4651] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4650] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4649] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4657] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4656] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4655] write(1, "executing program\n", 18 [pid 4654] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 4653] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4650] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4657] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4656] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4655] <... write resumed>) = 18 [pid 4654] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4653] <... futex resumed>) = 0 [pid 4650] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4657] <... futex resumed>) = 1 [pid 4656] <... futex resumed>) = 1 [pid 4655] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4654] <... futex resumed>) = 1 [pid 4653] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4652] <... futex resumed>) = 0 [pid 4651] <... futex resumed>) = 0 [pid 4650] <... futex resumed>) = 0 [pid 4649] <... futex resumed>) = 0 [pid 4657] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4656] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4655] <... futex resumed>) = 0 [pid 4654] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4653] <... unlinkat resumed>) = 0 [pid 4652] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4651] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4650] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4649] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4657] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4656] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4655] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4654] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4653] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4652] <... futex resumed>) = 0 [pid 4651] <... futex resumed>) = 0 [pid 4650] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4649] <... futex resumed>) = 0 [pid 4657] mount(NULL, "./config", "configfs", 0, NULL [pid 4656] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4655] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4654] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4653] <... futex resumed>) = 0 [pid 4652] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4651] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4650] exit_group(0 [pid 4649] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4657] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4656] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4655] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4654] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4650] <... exit_group resumed>) = ? [pid 4657] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4656] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4655] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4654] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4653] +++ exited with 0 +++ [pid 4650] +++ exited with 0 +++ [pid 4657] <... futex resumed>) = 1 [pid 4656] <... futex resumed>) = 1 [pid 4655] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4654] <... futex resumed>) = 1 [pid 4652] <... futex resumed>) = 0 [pid 4651] <... futex resumed>) = 0 [pid 4649] <... futex resumed>) = 0 [pid 4657] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4656] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4655] <... mmap resumed>) = 0x7f85c0c15000 [pid 4654] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4652] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4651] exit_group(0 [pid 4649] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4650, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4657] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4656] <... futex resumed>) = ? [pid 4655] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4654] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4652] <... futex resumed>) = 0 [pid 4651] <... exit_group resumed>) = ? [pid 4649] <... futex resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4657] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4656] +++ exited with 0 +++ [pid 4655] <... mprotect resumed>) = 0 [pid 4654] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4652] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4657] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4657] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4649] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4657] <... futex resumed>) = 1 [pid 4652] <... futex resumed>) = 0 [pid 4657] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4654] <... mkdirat resumed>) = 0 [pid 4652] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4657] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4655] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4652] <... futex resumed>) = 0 [pid 4657] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4652] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4651] +++ exited with 0 +++ [pid 4657] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4655] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4654] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4657] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4655] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4654] <... futex resumed>) = 1 [pid 4657] <... futex resumed>) = 1 [pid 4652] <... futex resumed>) = 0 [pid 4649] <... futex resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4651, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4657] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4654] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4652] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4649] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4657] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4655] <... clone3 resumed> => {parent_tid=[4658]}, 88) = 4658 [pid 4654] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4652] <... futex resumed>) = 0 [pid 4649] <... futex resumed>) = 0 [pid 4657] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4655] rt_sigprocmask(SIG_SETMASK, [] [pid 4654] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4652] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4649] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4657] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4655] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4657] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4655] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4654] <... symlinkat resumed>) = 0 [pid 4657] <... futex resumed>) = 1 [pid 4655] <... futex resumed>) = 0 [pid 4652] <... futex resumed>) = 0 [pid 4657] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4655] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4654] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4652] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... restart_syscall resumed>) = 0 [pid 4657] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4654] <... futex resumed>) = 1 [pid 4652] <... futex resumed>) = 0 [pid 4649] <... futex resumed>) = 0 [pid 4657] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4654] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4652] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4649] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4657] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4654] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4649] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4657] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4654] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4649] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4657] <... futex resumed>) = 1 [pid 4654] <... unlinkat resumed>) = 0 [pid 4652] <... futex resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4657] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4654] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4652] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4659 attached [pid 4657] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4654] <... futex resumed>) = 1 [pid 4652] <... futex resumed>) = 0 [pid 4649] <... futex resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4659 [pid 4657] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4654] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4652] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4649] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4657] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4654] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4649] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4657] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4654] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4649] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4657] <... futex resumed>) = 1 [pid 4652] <... futex resumed>) = 0 [pid 4652] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4657] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4654] <... unlinkat resumed>) = 0 [pid 4652] <... futex resumed>) = 0 [pid 4652] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4657] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4654] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4657] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4654] <... futex resumed>) = 1 [pid 4649] <... futex resumed>) = 0 [pid 4657] <... futex resumed>) = 1 [pid 4654] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4652] <... futex resumed>) = 0 [pid 4657] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4652] exit_group(0 [pid 4649] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 4658 attached [pid 4659] set_robust_list(0x5555810c5760, 24 [pid 4657] <... futex resumed>) = ? [pid 4654] <... futex resumed>) = ? [pid 4652] <... exit_group resumed>) = ? [pid 4649] <... exit_group resumed>) = ? [pid 4659] <... set_robust_list resumed>) = 0 [pid 4658] set_robust_list(0x7f85c0c359a0, 24 [pid 4657] +++ exited with 0 +++ [pid 4654] +++ exited with 0 +++ [pid 4652] +++ exited with 0 +++ [pid 4658] <... set_robust_list resumed>) = 0 [pid 4658] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4658] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4658] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4649] +++ exited with 0 +++ [pid 4658] <... futex resumed>) = 1 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4649, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4658] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4655] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4655] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4652, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4655] <... futex resumed>) = 1 [pid 4655] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4658] <... futex resumed>) = 0 [pid 4658] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 4659] rt_sigprocmask(SIG_SETMASK, [] [pid 4658] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4655] <... futex resumed>) = 0 [pid 4658] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4655] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4658] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4655] <... futex resumed>) = 0 [pid 4658] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4655] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4658] <... futex resumed>) = 0 [pid 4655] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4658] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4655] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... restart_syscall resumed>) = 0 [pid 4659] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4658] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4655] <... futex resumed>) = 0 [pid 4658] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4655] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4659] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4658] <... futex resumed>) = 0 [pid 4655] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4658] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4655] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4655] <... futex resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4655] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4659] <... prctl resumed>) = 0 [pid 4659] setpgid(0, 0) = 0 [pid 4659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4658] <... mkdirat resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4660 [pid 4659] write(3, "1000", 4 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4658] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4659] <... write resumed>) = 4 [pid 4658] <... futex resumed>) = 1 [pid 4655] <... futex resumed>) = 0 [pid 4659] close(3 [pid 4658] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4655] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4659] <... close resumed>) = 0 [pid 4655] <... futex resumed>) = 0 [pid 4659] write(1, "executing program\n", 18 [pid 4658] <... symlinkat resumed>) = 0 [pid 4655] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... restart_syscall resumed>) = 0 [pid 4659] <... write resumed>) = 18 executing program [pid 4658] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4659] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4658] <... futex resumed>) = 1 [pid 4655] <... futex resumed>) = 0 [pid 4659] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4659] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4659] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4659] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4658] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4655] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4661 attached [pid 4659] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4655] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4661 [pid 4659] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4658] <... unlinkat resumed>) = 0 [pid 4655] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4659] <... mmap resumed>) = 0x7f85c0c15000 [pid 4658] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4659] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4658] <... futex resumed>) = 1 [pid 4655] <... futex resumed>) = 0 [pid 4659] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4658] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4655] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4661] set_robust_list(0x5555810c5760, 24ci2-android-5-15/strace-static-x86_64: Process 4660 attached [pid 4655] <... futex resumed>) = 0 [pid 4660] set_robust_list(0x5555810c5760, 24 [pid 4658] <... unlinkat resumed>) = 0 [pid 4655] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4660] <... set_robust_list resumed>) = 0 [pid 4658] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4660] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4660] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4659] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4658] <... futex resumed>) = 1 [pid 4655] <... futex resumed>) = 0 [pid 4661] <... set_robust_list resumed>) = 0 [pid 4659] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4658] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4655] exit_group(0 [pid 4660] <... prctl resumed>) = 0 [pid 4658] <... futex resumed>) = ? [pid 4655] <... exit_group resumed>) = ? [pid 4660] setpgid(0, 0) = 0 [pid 4660] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4660] write(3, "1000", 4) = 4 [pid 4660] close(3) = 0 [pid 4658] +++ exited with 0 +++ [pid 4655] +++ exited with 0 +++ [pid 4660] write(1, "executing program\n", 18 [pid 4659] <... clone3 resumed> => {parent_tid=[4662]}, 88) = 4662 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4655, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4660] <... write resumed>) = 18 [pid 4659] rt_sigprocmask(SIG_SETMASK, [] [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] <... restart_syscall resumed>) = 0 [pid 4659] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 4661] rt_sigprocmask(SIG_SETMASK, [] [pid 4660] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4659] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4660] <... futex resumed>) = 0 [pid 4660] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4661] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4660] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4659] <... futex resumed>) = 0 [pid 4661] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4660] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4659] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4660] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4660] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4660] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4660] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4663 [pid 4660] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4660] <... clone3 resumed> => {parent_tid=[4664]}, 88) = 4664 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4660] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4660] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4660] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4663 attached ci2-android-5-15/strace-static-x86_64: Process 4662 attached [pid 4661] <... prctl resumed>) = 0 [pid 4662] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4662] rt_sigprocmask(SIG_SETMASK, [] [pid 4661] setpgid(0, 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 4662] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4661] <... setpgid resumed>) = 0 [pid 4662] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4662] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4662] <... futex resumed>) = 1 [pid 4662] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 4664 attached [pid 4664] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4664] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4659] <... futex resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4665 [pid 4664] mkdirat(AT_FDCWD, "./config", 0777 [pid 4659] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4661] <... openat resumed>) = 3 [pid 4659] <... futex resumed>) = 1 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4661] write(3, "1000", 4 [pid 4659] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4661] <... write resumed>) = 4 [pid 4662] <... futex resumed>) = 0 [pid 4662] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 4661] close(3 [pid 4663] set_robust_list(0x5555810c5760, 24 [pid 4664] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4664] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4660] <... futex resumed>) = 0 [pid 4660] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4660] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4663] <... set_robust_list resumed>) = 0 [pid 4662] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4661] <... close resumed>) = 0 [pid 4664] <... futex resumed>) = 1 [pid 4664] mount(NULL, "./config", "configfs", 0, NULL [pid 4663] rt_sigprocmask(SIG_SETMASK, [] [pid 4662] <... futex resumed>) = 1 [pid 4661] write(1, "executing program\n", 18 [pid 4659] <... futex resumed>) = 0 [pid 4659] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4661] <... write resumed>) = 18 [pid 4659] <... futex resumed>) = 0 [pid 4664] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4659] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} executing program [pid 4661] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4662] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4664] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4660] <... futex resumed>) = 0 [pid 4660] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4660] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4664] <... futex resumed>) = 1 [pid 4664] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4662] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4663] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4661] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4665 attached [pid 4662] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4661] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4665] set_robust_list(0x5555810c5760, 24 [pid 4662] <... futex resumed>) = 1 [pid 4661] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4659] <... futex resumed>) = 0 [pid 4662] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4661] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4659] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4662] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4661] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4659] <... futex resumed>) = 0 [pid 4665] <... set_robust_list resumed>) = 0 [pid 4661] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4659] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4662] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4664] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4661] <... mmap resumed>) = 0x7f85c0c15000 [pid 4661] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4664] <... futex resumed>) = 1 [pid 4662] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4661] <... mprotect resumed>) = 0 [pid 4660] <... futex resumed>) = 0 [pid 4664] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4663] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4661] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4662] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4660] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4664] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4663] <... prctl resumed>) = 0 [pid 4662] <... futex resumed>) = 1 [pid 4661] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4660] <... futex resumed>) = 0 [pid 4659] <... futex resumed>) = 0 [pid 4664] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4663] setpgid(0, 0 [pid 4662] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4661] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4660] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4659] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4662] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4659] <... futex resumed>) = 0 [pid 4664] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4663] <... setpgid resumed>) = 0 [pid 4662] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4661] <... clone3 resumed> => {parent_tid=[4666]}, 88) = 4666 [pid 4659] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4661] rt_sigprocmask(SIG_SETMASK, [] [pid 4665] rt_sigprocmask(SIG_SETMASK, [] [pid 4662] <... mkdirat resumed>) = 0 [pid 4661] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4664] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4663] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4661] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4662] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4661] <... futex resumed>) = 0 [pid 4664] <... futex resumed>) = 1 [pid 4660] <... futex resumed>) = 0 [pid 4664] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4662] <... futex resumed>) = 1 [pid 4661] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4660] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4659] <... futex resumed>) = 0 [pid 4665] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4664] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4663] <... openat resumed>) = 3 [pid 4662] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4660] <... futex resumed>) = 0 [pid 4659] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4665] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4664] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4663] write(3, "1000", 4 [pid 4662] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4660] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4659] <... futex resumed>) = 0 [pid 4665] <... prctl resumed>) = 0 [pid 4664] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4663] <... write resumed>) = 4 [pid 4662] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4659] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4665] setpgid(0, 0 [pid 4664] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4663] close(3 [pid 4662] <... symlinkat resumed>) = 0 [pid 4665] <... setpgid resumed>) = 0 [pid 4664] <... futex resumed>) = 1 [pid 4663] <... close resumed>) = 0 [pid 4662] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4660] <... futex resumed>) = 0 [pid 4665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4664] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4663] write(1, "executing program\n", 18 [pid 4662] <... futex resumed>) = 1 executing program [pid 4660] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4659] <... futex resumed>) = 0 [pid 4665] <... openat resumed>) = 3 [pid 4664] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4663] <... write resumed>) = 18 [pid 4662] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4660] <... futex resumed>) = 0 [pid 4659] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4665] write(3, "1000", 4 [pid 4664] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4663] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4662] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4660] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4659] <... futex resumed>) = 0 [pid 4665] <... write resumed>) = 4 [pid 4664] <... futex resumed>) = 0 [pid 4663] <... futex resumed>) = 0 [pid 4662] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4660] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4659] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4665] close(3 [pid 4664] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4663] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4662] <... unlinkat resumed>) = 0 [pid 4660] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4665] <... close resumed>) = 0 [pid 4664] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4663] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4662] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4660] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4666 attached [pid 4665] write(1, "executing program\n", 18 [pid 4664] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4663] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4662] <... futex resumed>) = 1 [pid 4660] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4659] <... futex resumed>) = 0 executing program [pid 4666] set_robust_list(0x7f85c0c359a0, 24 [pid 4665] <... write resumed>) = 18 [pid 4664] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4663] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4662] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4659] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4666] <... set_robust_list resumed>) = 0 [pid 4665] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4664] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4663] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4662] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4666] rt_sigprocmask(SIG_SETMASK, [] [pid 4665] <... futex resumed>) = 0 [pid 4664] <... futex resumed>) = 1 [pid 4663] <... mmap resumed>) = 0x7f85c0c15000 [pid 4662] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4660] <... futex resumed>) = 0 [pid 4659] <... futex resumed>) = 0 [pid 4666] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4665] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4664] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4663] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4660] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4666] mkdirat(AT_FDCWD, "./config", 0777 [pid 4665] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4664] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4663] <... mprotect resumed>) = 0 [pid 4662] <... unlinkat resumed>) = 0 [pid 4660] <... futex resumed>) = 0 [pid 4659] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4666] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4665] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4664] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4663] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4662] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4660] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4659] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4666] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4665] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4664] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4663] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4662] <... futex resumed>) = 0 [pid 4666] <... futex resumed>) = 1 [pid 4665] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4659] exit_group(0 [pid 4666] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4665] <... mmap resumed>) = 0x7f85c0c15000 [pid 4665] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4665] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4661] <... futex resumed>) = 0 [pid 4665] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4664] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4663] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4661] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4659] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 4667 attached [pid 4664] <... futex resumed>) = 1 [pid 4660] <... futex resumed>) = 0 [pid 4665] <... clone3 resumed> => {parent_tid=[4667]}, 88) = 4667 [pid 4662] +++ exited with 0 +++ [pid 4660] exit_group(0 [pid 4666] <... futex resumed>) = 0 [pid 4665] rt_sigprocmask(SIG_SETMASK, [] [pid 4661] <... futex resumed>) = 1 [pid 4660] <... exit_group resumed>) = ? [pid 4666] mount(NULL, "./config", "configfs", 0, NULL [pid 4665] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4666] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4665] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4659] +++ exited with 0 +++ [pid 4666] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4665] <... futex resumed>) = 0 [pid 4663] <... clone3 resumed> => {parent_tid=[4668]}, 88) = 4668 [pid 4661] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4659, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4666] <... futex resumed>) = 0 [pid 4665] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4666] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 4668 attached [pid 4668] set_robust_list(0x7f85c0c359a0, 24 [pid 4664] +++ exited with 0 +++ [pid 4660] +++ exited with 0 +++ [pid 4668] <... set_robust_list resumed>) = 0 [pid 4668] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4661] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4663] rt_sigprocmask(SIG_SETMASK, [] [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4660, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4661] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4663] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4666] <... futex resumed>) = 0 [pid 4663] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4661] <... futex resumed>) = 1 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4666] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4663] <... futex resumed>) = 0 [pid 4661] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4666] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4663] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4666] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4668] mkdirat(AT_FDCWD, "./config", 0777 [pid 4666] <... futex resumed>) = 1 [pid 4668] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4666] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4661] <... futex resumed>) = 0 [pid 4668] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4661] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4669 [pid 4666] <... futex resumed>) = 0 [pid 4661] <... futex resumed>) = 1 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4661] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4666] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4668] <... futex resumed>) = 1 [pid 4663] <... futex resumed>) = 0 [pid 4666] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4663] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4668] mount(NULL, "./config", "configfs", 0, NULL [pid 4666] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4663] <... futex resumed>) = 0 [pid 4668] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4666] <... futex resumed>) = 1 [pid 4663] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4661] <... futex resumed>) = 0 [pid 4667] set_robust_list(0x7f85c0c359a0, 24 [pid 4666] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4661] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4668] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4666] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4661] <... futex resumed>) = 0 [pid 4668] <... futex resumed>) = 1 [pid 4666] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4663] <... futex resumed>) = 0 [pid 4661] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4663] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4668] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4666] <... mkdirat resumed>) = 0 [pid 4663] <... futex resumed>) = 0 [pid 4668] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4666] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4663] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4668] <... futex resumed>) = 0 [pid 4663] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4666] <... futex resumed>) = 1 [pid 4663] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4661] <... futex resumed>) = 0 [pid 4666] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4663] <... futex resumed>) = 0 [pid 4661] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4666] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4663] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4661] <... futex resumed>) = 0 [pid 4666] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4661] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4668] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4666] <... symlinkat resumed>) = 0 [pid 4668] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4669 attached ) = 1 [pid 4666] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4663] <... futex resumed>) = 0 [pid 4669] set_robust_list(0x5555810c5760, 24 [pid 4668] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4666] <... futex resumed>) = 1 [pid 4663] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4661] <... futex resumed>) = 0 [pid 4669] <... set_robust_list resumed>) = 0 [pid 4668] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4666] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4663] <... futex resumed>) = 0 [pid 4661] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... restart_syscall resumed>) = 0 [pid 4669] rt_sigprocmask(SIG_SETMASK, [] [pid 4668] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4667] <... set_robust_list resumed>) = 0 [pid 4666] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4663] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4661] <... futex resumed>) = 0 [pid 4669] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4668] <... futex resumed>) = 0 [pid 4667] rt_sigprocmask(SIG_SETMASK, [] [pid 4666] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4663] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4661] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4668] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4663] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4668] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4666] <... unlinkat resumed>) = 0 [pid 4663] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4669] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4668] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4666] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4663] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 4670 attached [pid 4669] <... prctl resumed>) = 0 [pid 4668] <... symlinkat resumed>) = 0 [pid 4667] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4666] <... futex resumed>) = 1 [pid 4661] <... futex resumed>) = 0 [pid 4668] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4670 [pid 4666] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4669] setpgid(0, 0 [pid 4668] <... futex resumed>) = 1 [pid 4667] mkdirat(AT_FDCWD, "./config", 0777 [pid 4663] <... futex resumed>) = 0 [pid 4661] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4666] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4669] <... setpgid resumed>) = 0 [pid 4668] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4667] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4666] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4663] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4661] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4668] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4669] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4666] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 4663] <... futex resumed>) = 0 [pid 4661] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4667] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4668] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4666] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4663] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4669] <... openat resumed>) = 3 [pid 4668] <... unlinkat resumed>) = 0 [pid 4667] <... futex resumed>) = 1 [pid 4666] <... futex resumed>) = 0 [pid 4665] <... futex resumed>) = 0 [pid 4661] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4670] set_robust_list(0x5555810c5760, 24 [pid 4669] write(3, "1000", 4 [pid 4668] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4667] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4666] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4665] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4661] exit_group(0 [pid 4670] <... set_robust_list resumed>) = 0 [pid 4669] <... write resumed>) = 4 [pid 4668] <... futex resumed>) = 1 [pid 4667] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4665] <... futex resumed>) = 0 [pid 4663] <... futex resumed>) = 0 [pid 4661] <... exit_group resumed>) = ? [pid 4666] <... futex resumed>) = ? [pid 4670] rt_sigprocmask(SIG_SETMASK, [] [pid 4669] close(3 [pid 4668] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4667] mount(NULL, "./config", "configfs", 0, NULL [pid 4665] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4663] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4670] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4668] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4670] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4668] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4670] <... prctl resumed>) = 0 [pid 4668] <... unlinkat resumed>) = 0 [pid 4670] setpgid(0, 0 [pid 4668] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4666] +++ exited with 0 +++ [pid 4661] +++ exited with 0 +++ [pid 4670] <... setpgid resumed>) = 0 [pid 4669] <... close resumed>) = 0 [pid 4668] <... futex resumed>) = 0 [pid 4663] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4661, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4670] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4669] write(1, "executing program\n", 18 [pid 4668] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4667] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4663] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4669] <... write resumed>) = 18 [pid 4667] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4663] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4669] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 4663] exit_group(0 [pid 4669] <... futex resumed>) = 0 [pid 4667] <... futex resumed>) = 1 [pid 4665] <... futex resumed>) = 0 [pid 4668] <... futex resumed>) = ? [pid 4663] <... exit_group resumed>) = ? [pid 4669] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4668] +++ exited with 0 +++ [pid 4665] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 4665] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4663] +++ exited with 0 +++ [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4669] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4667] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4663, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4669] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4670] <... openat resumed>) = 3 [pid 4669] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4667] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4671 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4669] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4667] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4669] <... mmap resumed>) = 0x7f85c0c15000 [pid 4667] <... futex resumed>) = 1 [pid 4665] <... futex resumed>) = 0 [pid 4665] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4665] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4671 attached [pid 4671] set_robust_list(0x5555810c5760, 24 [pid 4670] write(3, "1000", 4 [pid 4669] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4667] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4671] <... set_robust_list resumed>) = 0 [pid 4671] rt_sigprocmask(SIG_SETMASK, [] [pid 4670] <... write resumed>) = 4 [pid 4669] <... mprotect resumed>) = 0 [pid 4667] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4671] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4671] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4667] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4670] close(3 [pid 4669] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4671] <... prctl resumed>) = 0 [pid 4671] setpgid(0, 0) = 0 [pid 4671] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4670] <... close resumed>) = 0 [pid 4669] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4667] <... futex resumed>) = 1 [pid 4665] <... futex resumed>) = 0 [pid 4670] write(1, "executing program\n", 18 [pid 4669] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4667] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL executing program [pid 4665] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4667] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4665] <... futex resumed>) = 0 [pid 4670] <... write resumed>) = 18 [pid 4669] <... clone3 resumed> => {parent_tid=[4672]}, 88) = 4672 [pid 4667] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4665] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4670] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4669] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 4672 attached [pid 4672] set_robust_list(0x7f85c0c359a0, 24 [pid 4667] <... mkdirat resumed>) = 0 [pid 4670] <... futex resumed>) = 0 [pid 4669] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4667] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4672] <... set_robust_list resumed>) = 0 [pid 4669] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4670] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4669] <... futex resumed>) = 0 [pid 4667] <... futex resumed>) = 1 [pid 4665] <... futex resumed>) = 0 [pid 4670] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4669] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4667] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4665] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4672] rt_sigprocmask(SIG_SETMASK, [] [pid 4670] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4667] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4665] <... futex resumed>) = 0 [pid 4670] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4667] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4665] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4672] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4670] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4667] <... symlinkat resumed>) = 0 [pid 4672] mkdirat(AT_FDCWD, "./config", 0777 [pid 4670] <... mmap resumed>) = 0x7f85c0c15000 [pid 4667] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4670] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4667] <... futex resumed>) = 1 [pid 4665] <... futex resumed>) = 0 [pid 4670] <... mprotect resumed>) = 0 [pid 4667] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4665] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... restart_syscall resumed>) = 0 [pid 4665] <... futex resumed>) = 0 [pid 4670] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4667] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4670] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4665] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4670] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4667] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4672] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4667] <... unlinkat resumed>) = 0 [pid 4670] <... clone3 resumed> => {parent_tid=[4673]}, 88) = 4673 [pid 4667] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4670] rt_sigprocmask(SIG_SETMASK, [] [pid 4667] <... futex resumed>) = 1 [pid 4665] <... futex resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4672] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4670] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4667] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4665] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4672] <... futex resumed>) = 1 [pid 4665] <... futex resumed>) = 0 [pid 4672] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4665] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4673 attached [pid 4669] <... futex resumed>) = 0 [pid 4667] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4670] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4669] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4667] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4674 [pid 4670] <... futex resumed>) = 0 [pid 4669] <... futex resumed>) = 1 [pid 4672] <... futex resumed>) = 0 [pid 4672] mount(NULL, "./config", "configfs", 0, NULL [pid 4669] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4667] <... unlinkat resumed>) = 0 [pid 4670] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4667] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4672] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4667] <... futex resumed>) = 1 [pid 4665] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4672] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4667] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4665] exit_group(0 [pid 4672] <... futex resumed>) = 1 [pid 4669] <... futex resumed>) = 0 [pid 4667] <... futex resumed>) = ? [pid 4665] <... exit_group resumed>) = ? [pid 4672] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4671] <... openat resumed>) = 3 [pid 4669] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4667] +++ exited with 0 +++ [pid 4665] +++ exited with 0 +++ [pid 4669] <... futex resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4665, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4669] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4672] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4672] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4669] <... futex resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 4669] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4672] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4669] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4672] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4672] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4673] set_robust_list(0x7f85c0c359a0, 24 [pid 4672] <... futex resumed>) = 1 [pid 4669] <... futex resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4671] write(3, "1000", 4 [pid 4669] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4672] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4672] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4669] <... futex resumed>) = 0 [pid 4669] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4675 [pid 4669] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4672] <... futex resumed>) = 0 [pid 4669] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4672] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4669] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4672] <... symlinkat resumed>) = 0 [pid 4669] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4672] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4669] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4673] <... set_robust_list resumed>) = 0 [pid 4672] <... futex resumed>) = 0 [pid 4671] <... write resumed>) = 4 [pid 4669] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4673] rt_sigprocmask(SIG_SETMASK, [] [pid 4672] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4669] <... futex resumed>) = 0 [pid 4671] close(3 [pid 4673] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4672] <... unlinkat resumed>) = 0 [pid 4671] <... close resumed>) = 0 [pid 4669] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4672] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4669] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4673] mkdirat(AT_FDCWD, "./config", 0777 [pid 4672] <... futex resumed>) = 0 [pid 4671] write(1, "executing program\n", 18 [pid 4669] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 4672] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4671] <... write resumed>) = 18 [pid 4669] <... futex resumed>) = 0 [pid 4673] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4672] <... unlinkat resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4674 attached [pid 4673] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4672] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4671] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4669] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4674] set_robust_list(0x5555810c5760, 24 [pid 4672] <... futex resumed>) = 0 [pid 4669] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4673] <... futex resumed>) = 1 [pid 4671] <... futex resumed>) = 0 [pid 4670] <... futex resumed>) = 0 [pid 4674] <... set_robust_list resumed>) = 0 [pid 4673] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4672] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4670] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4669] exit_group(0 [pid 4671] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4674] rt_sigprocmask(SIG_SETMASK, [] [pid 4673] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4672] <... futex resumed>) = ? [pid 4670] <... futex resumed>) = 0 [pid 4671] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4669] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 4675 attached [pid 4674] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4673] mount(NULL, "./config", "configfs", 0, NULL [pid 4672] +++ exited with 0 +++ [pid 4670] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4675] set_robust_list(0x5555810c5760, 24 [pid 4674] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4675] <... set_robust_list resumed>) = 0 [pid 4674] <... prctl resumed>) = 0 [pid 4675] rt_sigprocmask(SIG_SETMASK, [] [pid 4674] setpgid(0, 0 [pid 4669] +++ exited with 0 +++ [pid 4671] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4675] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4674] <... setpgid resumed>) = 0 [pid 4671] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4669, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4673] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4671] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4675] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4674] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4673] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4671] <... mmap resumed>) = 0x7f85c0c15000 [pid 4675] <... prctl resumed>) = 0 [pid 4674] <... openat resumed>) = 3 [pid 4673] <... futex resumed>) = 1 [pid 4671] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4670] <... futex resumed>) = 0 [pid 4675] setpgid(0, 0 [pid 4673] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4670] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4675] <... setpgid resumed>) = 0 [pid 4673] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4671] <... mprotect resumed>) = 0 [pid 4670] <... futex resumed>) = 0 [pid 4673] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4671] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4670] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4675] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4671] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4673] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4675] <... openat resumed>) = 3 [pid 4674] write(3, "1000", 4 [pid 4673] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4671] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4675] write(3, "1000", 4 [pid 4674] <... write resumed>) = 4 [pid 4674] close(3) = 0 [pid 4674] write(1, "executing program\n", 18) = 18 executing program [pid 4674] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4673] <... futex resumed>) = 1 [pid 4675] <... write resumed>) = 4 [pid 4670] <... futex resumed>) = 0 [pid 4675] close(3 [pid 4674] <... futex resumed>) = 0 [pid 4673] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4671] <... clone3 resumed> => {parent_tid=[4676]}, 88) = 4676 [pid 4670] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4675] <... close resumed>) = 0 [pid 4674] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4673] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4671] rt_sigprocmask(SIG_SETMASK, [] [pid 4670] <... futex resumed>) = 0 [pid 4675] write(1, "executing program\n", 18 [pid 4674] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4673] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4671] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4670] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4675] <... write resumed>) = 18 executing program [pid 4674] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4673] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4671] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4674] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4673] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4675] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4674] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4673] <... futex resumed>) = 1 [pid 4671] <... futex resumed>) = 0 [pid 4670] <... futex resumed>) = 0 [pid 4675] <... futex resumed>) = 0 [pid 4674] <... mmap resumed>) = 0x7f85c0c15000 [pid 4673] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4671] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4670] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4675] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4674] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4673] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4674] <... mprotect resumed>) = 0 [pid 4673] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4670] <... futex resumed>) = 0 [pid 4675] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4674] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4670] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4674] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4675] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4674] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4673] <... mkdirat resumed>) = 0 [pid 4675] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4673] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4675] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4674] <... clone3 resumed> => {parent_tid=[4677]}, 88) = 4677 [pid 4675] <... mmap resumed>) = 0x7f85c0c15000 [pid 4674] rt_sigprocmask(SIG_SETMASK, [] [pid 4673] <... futex resumed>) = 1 [pid 4670] <... futex resumed>) = 0 [pid 4675] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4674] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4673] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4675] <... mprotect resumed>) = 0 [pid 4674] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4673] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4670] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4675] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4674] <... futex resumed>) = 0 [pid 4673] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4670] <... futex resumed>) = 0 [pid 4675] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4674] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4670] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4675] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4673] <... symlinkat resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4676 attached [pid 4676] set_robust_list(0x7f85c0c359a0, 24 [pid 4673] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4675] <... clone3 resumed> => {parent_tid=[4678]}, 88) = 4678 [pid 4673] <... futex resumed>) = 1 [pid 4675] rt_sigprocmask(SIG_SETMASK, [] [pid 4670] <... futex resumed>) = 0 [pid 4675] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4673] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4670] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4675] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4673] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4670] <... futex resumed>) = 0 [pid 4676] <... set_robust_list resumed>) = 0 [pid 4675] <... futex resumed>) = 0 [pid 4673] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4670] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4675] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4673] <... unlinkat resumed>) = 0 [pid 4673] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4676] rt_sigprocmask(SIG_SETMASK, [] [pid 4673] <... futex resumed>) = 1 [pid 4670] <... futex resumed>) = 0 [pid 4673] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4670] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4673] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4670] <... futex resumed>) = 0 [pid 4676] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4673] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4670] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4676] mkdirat(AT_FDCWD, "./config", 0777 [pid 4673] <... unlinkat resumed>) = 0 [pid 4676] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4673] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4676] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4673] <... futex resumed>) = 1 [pid 4670] <... futex resumed>) = 0 [pid 4676] <... futex resumed>) = 1 [pid 4673] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4671] <... futex resumed>) = 0 [pid 4670] exit_group(0 [pid 4676] mount(NULL, "./config", "configfs", 0, NULL [pid 4673] <... futex resumed>) = ? [pid 4671] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4670] <... exit_group resumed>) = ? [pid 4676] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4673] +++ exited with 0 +++ [pid 4676] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4676] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 4678 attached [pid 4678] set_robust_list(0x7f85c0c359a0, 24 [pid 4670] +++ exited with 0 +++ [pid 4676] <... futex resumed>) = 0 [pid 4671] <... futex resumed>) = 1 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4670, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4676] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4671] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4678] <... set_robust_list resumed>) = 0 [pid 4671] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4678] rt_sigprocmask(SIG_SETMASK, [] [pid 4671] <... futex resumed>) = 1 [pid 4676] <... futex resumed>) = 0 [pid 4671] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4676] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4676] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4671] <... futex resumed>) = 0 [pid 4676] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4671] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4676] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4671] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4676] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... restart_syscall resumed>) = 0 [pid 4676] <... futex resumed>) = 1 ci2-android-5-15/strace-static-x86_64: Process 4677 attached [pid 4671] <... futex resumed>) = 0 [pid 4671] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4678] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4676] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4678] mkdirat(AT_FDCWD, "./config", 0777 [pid 4677] set_robust_list(0x7f85c0c359a0, 24 [pid 4676] <... mkdirat resumed>) = 0 [pid 4671] <... futex resumed>) = 0 [pid 4678] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4676] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4671] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4677] <... set_robust_list resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4677] rt_sigprocmask(SIG_SETMASK, [] [pid 4671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4677] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4671] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4677] mkdirat(AT_FDCWD, "./config", 0777 [pid 4671] <... futex resumed>) = 0 [pid 4678] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4676] <... futex resumed>) = 0 [pid 4678] <... futex resumed>) = 1 [pid 4676] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4678] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4677] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4676] <... symlinkat resumed>) = 0 [pid 4675] <... futex resumed>) = 0 [pid 4671] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4677] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4676] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4675] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4679 [pid 4678] <... futex resumed>) = 0 [pid 4677] <... futex resumed>) = 1 [pid 4676] <... futex resumed>) = 0 [pid 4675] <... futex resumed>) = 1 [pid 4674] <... futex resumed>) = 0 [pid 4671] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4678] mount(NULL, "./config", "configfs", 0, NULL [pid 4677] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4676] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4675] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4674] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4671] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4679 attached [pid 4678] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4677] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4676] <... unlinkat resumed>) = 0 [pid 4674] <... futex resumed>) = 0 [pid 4678] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4676] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4674] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... restart_syscall resumed>) = 0 [pid 4678] <... futex resumed>) = 0 [pid 4677] mount(NULL, "./config", "configfs", 0, NULL [pid 4676] <... futex resumed>) = 0 [pid 4675] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4671] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4679] set_robust_list(0x5555810c5760, 24 [pid 4678] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4677] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4676] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4675] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4678] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4677] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4675] <... futex resumed>) = 0 [pid 4671] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4678] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4677] <... futex resumed>) = 1 [pid 4676] <... futex resumed>) = 0 [pid 4675] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4674] <... futex resumed>) = 0 [pid 4671] <... futex resumed>) = 1 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4679] <... set_robust_list resumed>) = 0 [pid 4678] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4677] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4676] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4674] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4671] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 4680 attached [pid 4679] rt_sigprocmask(SIG_SETMASK, [] [pid 4678] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4677] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4676] <... unlinkat resumed>) = 0 [pid 4674] <... futex resumed>) = 0 [pid 4679] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4678] <... futex resumed>) = 1 [pid 4677] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4676] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4675] <... futex resumed>) = 0 [pid 4674] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4680 [pid 4679] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4678] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4677] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4676] <... futex resumed>) = 1 [pid 4675] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4671] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4679] <... prctl resumed>) = 0 [pid 4678] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4677] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4676] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4675] <... futex resumed>) = 0 [pid 4671] exit_group(0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4679] setpgid(0, 0 [pid 4678] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4677] <... futex resumed>) = 1 [pid 4676] <... futex resumed>) = ? [pid 4675] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4674] <... futex resumed>) = 0 [pid 4671] <... exit_group resumed>) = ? [pid 4679] <... setpgid resumed>) = 0 [pid 4678] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4677] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4676] +++ exited with 0 +++ [pid 4674] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4678] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4674] <... futex resumed>) = 0 [pid 4678] <... futex resumed>) = 1 [pid 4675] <... futex resumed>) = 0 [pid 4674] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4678] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4675] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4678] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4675] <... futex resumed>) = 0 [pid 4671] +++ exited with 0 +++ [pid 4678] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4677] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4675] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4671, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4679] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4678] <... mkdirat resumed>) = 0 [pid 4677] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4679] <... openat resumed>) = 3 [pid 4678] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4677] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... restart_syscall resumed>) = 0 [pid 4679] write(3, "1000", 4 [pid 4678] <... futex resumed>) = 1 [pid 4677] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4675] <... futex resumed>) = 0 [pid 4680] set_robust_list(0x5555810c5760, 24 [pid 4679] <... write resumed>) = 4 [pid 4678] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4677] <... futex resumed>) = 1 [pid 4675] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4674] <... futex resumed>) = 0 [pid 4679] close(3 [pid 4678] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4677] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4675] <... futex resumed>) = 0 [pid 4674] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4679] <... close resumed>) = 0 [pid 4678] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4677] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4675] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4674] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4680] <... set_robust_list resumed>) = 0 [pid 4679] write(1, "executing program\n", 18 [pid 4678] <... symlinkat resumed>) = 0 executing program [pid 4677] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4674] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4680] rt_sigprocmask(SIG_SETMASK, [] [pid 4679] <... write resumed>) = 18 [pid 4678] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4677] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4680] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4679] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4678] <... futex resumed>) = 1 [pid 4677] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4675] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4681 attached [pid 4680] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4679] <... futex resumed>) = 0 [pid 4678] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4677] <... futex resumed>) = 1 [pid 4675] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4674] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4681 [pid 4681] set_robust_list(0x5555810c5760, 24 [pid 4680] <... prctl resumed>) = 0 [pid 4679] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4678] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4677] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4675] <... futex resumed>) = 0 [pid 4674] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4681] <... set_robust_list resumed>) = 0 [pid 4679] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4678] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4677] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4675] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4674] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4681] rt_sigprocmask(SIG_SETMASK, [] [pid 4680] setpgid(0, 0 [pid 4679] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4678] <... unlinkat resumed>) = 0 [pid 4677] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4674] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4681] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4680] <... setpgid resumed>) = 0 [pid 4679] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4678] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4677] <... symlinkat resumed>) = 0 [pid 4681] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4680] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4679] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4678] <... futex resumed>) = 1 [pid 4675] <... futex resumed>) = 0 [pid 4681] <... prctl resumed>) = 0 [pid 4680] <... openat resumed>) = 3 [pid 4679] <... mmap resumed>) = 0x7f85c0c15000 [pid 4678] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4677] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4675] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4681] setpgid(0, 0 [pid 4680] write(3, "1000", 4 [pid 4679] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4678] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4677] <... futex resumed>) = 1 [pid 4675] <... futex resumed>) = 0 [pid 4674] <... futex resumed>) = 0 [pid 4681] <... setpgid resumed>) = 0 [pid 4680] <... write resumed>) = 4 [pid 4679] <... mprotect resumed>) = 0 [pid 4678] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4677] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4675] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4674] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4680] close(3 [pid 4679] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4678] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 4677] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4674] <... futex resumed>) = 0 [pid 4681] <... openat resumed>) = 3 [pid 4680] <... close resumed>) = 0 [pid 4679] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4678] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4677] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4681] write(3, "1000", 4 executing program [pid 4680] write(1, "executing program\n", 18 [pid 4679] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4678] <... futex resumed>) = 1 [pid 4675] <... futex resumed>) = 0 [pid 4674] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4681] <... write resumed>) = 4 [pid 4680] <... write resumed>) = 18 [pid 4678] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4677] <... unlinkat resumed>) = 0 [pid 4675] exit_group(0 [pid 4681] close(3 [pid 4680] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4679] <... clone3 resumed> => {parent_tid=[4682]}, 88) = 4682 [pid 4678] <... futex resumed>) = ? [pid 4677] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4675] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 4682 attached [pid 4681] <... close resumed>) = 0 [pid 4680] <... futex resumed>) = 0 [pid 4679] rt_sigprocmask(SIG_SETMASK, [] [pid 4678] +++ exited with 0 +++ [pid 4677] <... futex resumed>) = 1 [pid 4675] +++ exited with 0 +++ [pid 4674] <... futex resumed>) = 0 [pid 4681] write(1, "executing program\n", 18 [pid 4680] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4679] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4677] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4674] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4675, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4681] <... write resumed>) = 18 [pid 4680] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4679] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4677] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4674] <... futex resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4681] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4680] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4679] <... futex resumed>) = 0 [pid 4677] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4674] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4681] <... futex resumed>) = 0 [pid 4680] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4679] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4677] <... unlinkat resumed>) = 0 [pid 4681] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4680] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4677] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... restart_syscall resumed>) = 0 [pid 4681] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4680] <... mmap resumed>) = 0x7f85c0c15000 [pid 4677] <... futex resumed>) = 1 [pid 4674] <... futex resumed>) = 0 [pid 4681] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4680] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4677] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4681] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4680] <... mprotect resumed>) = 0 [pid 4674] exit_group(0 [pid 4681] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4680] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4677] <... futex resumed>) = ? [pid 4674] <... exit_group resumed>) = ? [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4681] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4680] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4677] +++ exited with 0 +++ [pid 4681] <... mprotect resumed>) = 0 [pid 4681] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4681] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[4683]}, 88) = 4683 [pid 4681] rt_sigprocmask(SIG_SETMASK, [] [pid 4674] +++ exited with 0 +++ [pid 4681] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4681] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4680] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4681] <... futex resumed>) = 0 [pid 4681] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4674, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 4683 attached [pid 4683] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4683] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4680] <... clone3 resumed> => {parent_tid=[4684]}, 88) = 4684 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4685 [pid 4680] rt_sigprocmask(SIG_SETMASK, [] [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4680] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4680] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4680] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4683] mkdirat(AT_FDCWD, "./config", 0777ci2-android-5-15/strace-static-x86_64: Process 4684 attached ) = -1 EEXIST (File exists) [pid 4682] set_robust_list(0x7f85c0c359a0, 24 [pid 4683] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4681] <... futex resumed>) = 0 [pid 4681] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4681] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4683] <... futex resumed>) = 1 [pid 4683] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 4682] <... set_robust_list resumed>) = 0 [pid 4684] set_robust_list(0x7f85c0c359a0, 24 [pid 4683] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4681] <... futex resumed>) = 0 [pid 4681] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4681] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4683] <... futex resumed>) = 1 [pid 4683] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4683] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4681] <... futex resumed>) = 0 [pid 4681] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4681] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4683] <... futex resumed>) = 1 [pid 4683] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4684] <... set_robust_list resumed>) = 0 [pid 4682] rt_sigprocmask(SIG_SETMASK, [] [pid 4684] rt_sigprocmask(SIG_SETMASK, [] [pid 4683] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4682] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4685 attached [pid 4685] set_robust_list(0x5555810c5760, 24) = 0 [pid 4685] rt_sigprocmask(SIG_SETMASK, [] [pid 4684] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4683] <... futex resumed>) = 1 [pid 4682] mkdirat(AT_FDCWD, "./config", 0777 [pid 4681] <... futex resumed>) = 0 [pid 4681] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4681] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4685] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4685] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4685] setpgid(0, 0) = 0 [pid 4684] mkdirat(AT_FDCWD, "./config", 0777 [pid 4683] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4682] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4684] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4682] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4679] <... futex resumed>) = 0 [pid 4682] <... futex resumed>) = 1 [pid 4679] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4684] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4682] mount(NULL, "./config", "configfs", 0, NULL [pid 4679] <... futex resumed>) = 0 [pid 4679] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4685] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4684] <... futex resumed>) = 1 [pid 4682] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4680] <... futex resumed>) = 0 [pid 4683] <... mkdirat resumed>) = 0 [pid 4682] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4680] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4684] mount(NULL, "./config", "configfs", 0, NULL [pid 4680] <... futex resumed>) = 0 [pid 4683] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4682] <... futex resumed>) = 1 [pid 4680] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4679] <... futex resumed>) = 0 [pid 4684] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4683] <... futex resumed>) = 1 [pid 4682] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4681] <... futex resumed>) = 0 [pid 4679] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4684] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4683] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4682] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4681] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4679] <... futex resumed>) = 0 [pid 4684] <... futex resumed>) = 1 [pid 4683] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4682] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4681] <... futex resumed>) = 0 [pid 4680] <... futex resumed>) = 0 [pid 4679] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4684] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4683] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4682] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4681] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4680] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4684] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4682] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4680] <... futex resumed>) = 0 [pid 4685] <... openat resumed>) = 3 [pid 4684] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4683] <... symlinkat resumed>) = 0 [pid 4682] <... futex resumed>) = 1 [pid 4680] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4679] <... futex resumed>) = 0 [pid 4684] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4683] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4682] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4679] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4684] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4683] <... futex resumed>) = 1 [pid 4682] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4681] <... futex resumed>) = 0 [pid 4679] <... futex resumed>) = 0 [pid 4684] <... futex resumed>) = 1 [pid 4683] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4682] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4681] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4680] <... futex resumed>) = 0 [pid 4679] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4684] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4682] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4681] <... futex resumed>) = 0 [pid 4680] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4684] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4683] <... unlinkat resumed>) = 0 [pid 4682] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4681] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4684] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4683] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4682] <... futex resumed>) = 1 [pid 4680] <... futex resumed>) = 0 [pid 4679] <... futex resumed>) = 0 [pid 4682] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4680] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4679] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... restart_syscall resumed>) = 0 [pid 4684] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4683] <... futex resumed>) = 1 [pid 4682] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4681] <... futex resumed>) = 0 [pid 4679] <... futex resumed>) = 0 [pid 4684] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4683] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4682] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4681] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4679] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4684] <... futex resumed>) = 1 [pid 4681] <... futex resumed>) = 0 [pid 4680] <... futex resumed>) = 0 [pid 4681] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4680] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4680] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4684] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4683] <... unlinkat resumed>) = 0 [pid 4682] <... mkdirat resumed>) = 0 [pid 4680] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4684] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4683] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4682] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4685] write(3, "1000", 4) = 4 [pid 4685] close(3) = 0 [pid 4685] write(1, "executing program\n", 18) = 18 [pid 4685] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4684] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4682] <... futex resumed>) = 1 [pid 4679] <... futex resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4686 [pid 4685] <... futex resumed>) = 0 [pid 4683] <... futex resumed>) = 1 [pid 4681] <... futex resumed>) = 0 executing program [pid 4685] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4684] <... futex resumed>) = 1 [pid 4683] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4682] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4681] exit_group(0 [pid 4680] <... futex resumed>) = 0 [pid 4679] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 4686 attached [pid 4685] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4684] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4683] <... futex resumed>) = ? [pid 4682] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4681] <... exit_group resumed>) = ? [pid 4680] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4679] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4686] set_robust_list(0x5555810c5760, 24 [pid 4685] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4684] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4683] +++ exited with 0 +++ [pid 4682] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4681] +++ exited with 0 +++ [pid 4680] <... futex resumed>) = 0 [pid 4679] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4685] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4684] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4682] <... symlinkat resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4681, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4685] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4684] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4682] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4680] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4685] <... mmap resumed>) = 0x7f85c0c15000 [pid 4684] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4682] <... futex resumed>) = 1 [pid 4680] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4679] <... futex resumed>) = 0 [pid 4684] <... futex resumed>) = 0 [pid 4682] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4680] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4679] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4684] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4682] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4680] <... futex resumed>) = 0 [pid 4679] <... futex resumed>) = 0 [pid 4684] <... unlinkat resumed>) = 0 [pid 4682] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4680] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4679] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4684] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4682] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4680] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4684] <... futex resumed>) = 0 [pid 4682] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4680] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4684] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4682] <... futex resumed>) = 1 [pid 4680] <... futex resumed>) = 0 [pid 4679] <... futex resumed>) = 0 [pid 4685] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4682] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4680] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4679] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... restart_syscall resumed>) = 0 [pid 4685] <... mprotect resumed>) = 0 [pid 4684] <... unlinkat resumed>) = 0 [pid 4682] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4679] <... futex resumed>) = 0 [pid 4685] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4684] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4682] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4679] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4686] <... set_robust_list resumed>) = 0 [pid 4685] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4684] <... futex resumed>) = 1 [pid 4682] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4680] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4686] rt_sigprocmask(SIG_SETMASK, [] [pid 4685] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4684] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4682] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4680] exit_group(0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4686] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4684] <... futex resumed>) = ? [pid 4682] <... futex resumed>) = 1 [pid 4680] <... exit_group resumed>) = ? [pid 4679] <... futex resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4685] <... clone3 resumed> => {parent_tid=[4687]}, 88) = 4687 [pid 4684] +++ exited with 0 +++ [pid 4685] rt_sigprocmask(SIG_SETMASK, [] [pid 4680] +++ exited with 0 +++ [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4688 [pid 4685] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4682] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4679] exit_group(0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4685] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4682] <... futex resumed>) = ? [pid 4679] <... exit_group resumed>) = ? [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4680, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4686] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4685] <... futex resumed>) = 0 [pid 4682] +++ exited with 0 +++ [pid 4685] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4688 attached [pid 4688] set_robust_list(0x5555810c5760, 24) = 0 [pid 4679] +++ exited with 0 +++ [pid 4688] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4688] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4679, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4686] <... prctl resumed>) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4688] <... prctl resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4686] setpgid(0, 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4688] setpgid(0, 0) = 0 [pid 4688] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4686] <... setpgid resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4689 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4688] <... openat resumed>) = 3 [pid 4686] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4688] write(3, "1000", 4) = 4 [pid 4688] close(3 [pid 4686] <... openat resumed>) = 3 [pid 4688] <... close resumed>) = 0 executing program [pid 4688] write(1, "executing program\n", 18) = 18 [pid 4688] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4688] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}ci2-android-5-15/strace-static-x86_64: Process 4689 attached [pid 4686] write(3, "1000", 4 [pid 4688] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4688] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4688] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4688] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4686] <... write resumed>) = 4 ci2-android-5-15/strace-static-x86_64: Process 4687 attached [pid 4687] set_robust_list(0x7f85c0c359a0, 24 [pid 4689] set_robust_list(0x5555810c5760, 24 [pid 4688] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4686] close(3 [pid 306] <... restart_syscall resumed>) = 0 [pid 4687] <... set_robust_list resumed>) = 0 [pid 4686] <... close resumed>) = 0 [pid 4687] rt_sigprocmask(SIG_SETMASK, [] [pid 4686] write(1, "executing program\n", 18 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4687] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 4686] <... write resumed>) = 18 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4686] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4686] <... futex resumed>) = 0 [pid 4688] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4687] mkdirat(AT_FDCWD, "./config", 0777 [pid 4688] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4686] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4690 [pid 4686] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4686] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4686] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4687] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4686] <... mmap resumed>) = 0x7f85c0c15000 [pid 4687] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4686] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4685] <... futex resumed>) = 0 [pid 4686] <... mprotect resumed>) = 0 [pid 4685] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4686] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4685] <... futex resumed>) = 0 [pid 4689] <... set_robust_list resumed>) = 0 [pid 4686] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4685] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4686] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4687] <... futex resumed>) = 1 [pid 4688] <... clone3 resumed> => {parent_tid=[4691]}, 88) = 4691 [pid 4686] <... clone3 resumed> => {parent_tid=[4692]}, 88) = 4692 [pid 4688] rt_sigprocmask(SIG_SETMASK, [] [pid 4686] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4688] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4687] mount(NULL, "./config", "configfs", 0, NULL [pid 4686] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4686] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4688] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4687] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4689] rt_sigprocmask(SIG_SETMASK, [] [pid 4688] <... futex resumed>) = 0 [pid 4687] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4688] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4687] <... futex resumed>) = 1 [pid 4685] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4691 attached ci2-android-5-15/strace-static-x86_64: Process 4690 attached [pid 4689] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4687] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4685] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4687] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4685] <... futex resumed>) = 0 [pid 4687] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4685] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4689] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4687] <... futex resumed>) = 0 [pid 4685] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4687] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4685] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4689] <... prctl resumed>) = 0 [pid 4687] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4685] <... futex resumed>) = 0 [pid 4691] set_robust_list(0x7f85c0c359a0, 24 [pid 4690] set_robust_list(0x5555810c5760, 24 [pid 4687] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4685] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4689] setpgid(0, 0 [pid 4687] <... futex resumed>) = 0 [pid 4685] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4687] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4685] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4691] <... set_robust_list resumed>) = 0 [pid 4690] <... set_robust_list resumed>) = 0 [pid 4689] <... setpgid resumed>) = 0 [pid 4685] <... futex resumed>) = 0 [pid 4685] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4692 attached [pid 4692] set_robust_list(0x7f85c0c359a0, 24 [pid 4689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4692] <... set_robust_list resumed>) = 0 [pid 4692] rt_sigprocmask(SIG_SETMASK, [] [pid 4687] <... mkdirat resumed>) = 0 [pid 4692] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4692] mkdirat(AT_FDCWD, "./config", 0777 [pid 4689] <... openat resumed>) = 3 [pid 4692] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4692] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4691] rt_sigprocmask(SIG_SETMASK, [] [pid 4690] rt_sigprocmask(SIG_SETMASK, [] [pid 4689] write(3, "1000", 4 [pid 4687] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4692] <... futex resumed>) = 1 [pid 4686] <... futex resumed>) = 0 [pid 4689] <... write resumed>) = 4 [pid 4686] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4692] mount(NULL, "./config", "configfs", 0, NULL [pid 4689] close(3 [pid 4686] <... futex resumed>) = 0 [pid 4692] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4689] <... close resumed>) = 0 [pid 4686] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4692] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4689] write(1, "executing program\n", 18 [pid 4691] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4690] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4687] <... futex resumed>) = 1 [pid 4685] <... futex resumed>) = 0 executing program [pid 4692] <... futex resumed>) = 1 [pid 4689] <... write resumed>) = 18 [pid 4686] <... futex resumed>) = 0 [pid 4685] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4692] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4689] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4687] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4686] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4685] <... futex resumed>) = 0 [pid 4692] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4689] <... futex resumed>) = 0 [pid 4686] <... futex resumed>) = 0 [pid 4685] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4692] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4690] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4689] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4687] <... symlinkat resumed>) = 0 [pid 4686] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4692] <... futex resumed>) = 0 [pid 4690] <... prctl resumed>) = 0 [pid 4689] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4687] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4686] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4692] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4690] setpgid(0, 0 [pid 4689] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4687] <... futex resumed>) = 1 [pid 4686] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4685] <... futex resumed>) = 0 [pid 4692] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4691] mkdirat(AT_FDCWD, "./config", 0777 [pid 4690] <... setpgid resumed>) = 0 [pid 4689] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4687] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4686] <... futex resumed>) = 0 [pid 4685] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4692] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4689] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4687] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4686] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4685] <... futex resumed>) = 0 [pid 4692] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4691] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4690] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4689] <... mmap resumed>) = 0x7f85c0c15000 [pid 4687] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4685] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4692] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4691] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4690] <... openat resumed>) = 3 [pid 4689] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4687] <... unlinkat resumed>) = 0 [pid 4692] <... futex resumed>) = 1 [pid 4686] <... futex resumed>) = 0 [pid 4692] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4691] <... futex resumed>) = 1 [pid 4690] write(3, "1000", 4 [pid 4689] <... mprotect resumed>) = 0 [pid 4688] <... futex resumed>) = 0 [pid 4687] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4686] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4692] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4689] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4691] mount(NULL, "./config", "configfs", 0, NULL [pid 4690] <... write resumed>) = 4 [pid 4688] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4687] <... futex resumed>) = 1 [pid 4686] <... futex resumed>) = 0 [pid 4685] <... futex resumed>) = 0 [pid 4692] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4690] close(3 [pid 4689] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4688] <... futex resumed>) = 0 [pid 4687] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4686] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4685] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4692] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4691] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4690] <... close resumed>) = 0 [pid 4689] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4688] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4687] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4685] <... futex resumed>) = 0 [pid 4692] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4691] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4690] write(1, "executing program\n", 18 [pid 4688] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4687] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4685] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4692] <... futex resumed>) = 1 [pid 4691] <... futex resumed>) = 0 [pid 4690] <... write resumed>) = 18 [pid 4689] <... clone3 resumed> => {parent_tid=[4693]}, 88) = 4693 [pid 4688] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4686] <... futex resumed>) = 0 executing program [pid 4692] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4691] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4690] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4689] rt_sigprocmask(SIG_SETMASK, [] [pid 4688] <... futex resumed>) = 0 [pid 4687] <... unlinkat resumed>) = 0 [pid 4686] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4692] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4691] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4690] <... futex resumed>) = 0 [pid 4689] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4688] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4687] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4686] <... futex resumed>) = 0 [pid 4692] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4691] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4690] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4689] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4688] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4687] <... futex resumed>) = 1 [pid 4686] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4685] <... futex resumed>) = 0 [pid 4692] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4691] <... futex resumed>) = 0 [pid 4690] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4689] <... futex resumed>) = 0 [pid 4688] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4687] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4685] exit_group(0 [pid 4692] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4691] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4690] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4689] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4688] <... futex resumed>) = 0 [pid 4687] <... futex resumed>) = ? [pid 4685] <... exit_group resumed>) = ? [pid 4692] <... futex resumed>) = 1 [pid 4691] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4690] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4688] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4687] +++ exited with 0 +++ [pid 4686] <... futex resumed>) = 0 [pid 4685] +++ exited with 0 +++ [pid 4692] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4691] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4690] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4688] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4686] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4692] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4691] <... futex resumed>) = 0 [pid 4690] <... mmap resumed>) = 0x7f85c0c15000 [pid 4688] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4686] <... futex resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4685, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4692] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4691] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4690] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4688] <... futex resumed>) = 0 [pid 4686] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 4693 attached [pid 4692] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4691] <... mkdirat resumed>) = 0 [pid 4690] <... mprotect resumed>) = 0 [pid 4688] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... restart_syscall resumed>) = 0 [pid 4693] set_robust_list(0x7f85c0c359a0, 24 [pid 4692] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4691] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4690] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4688] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4693] <... set_robust_list resumed>) = 0 [pid 4692] <... futex resumed>) = 1 [pid 4691] <... futex resumed>) = 0 [pid 4690] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4688] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4686] <... futex resumed>) = 0 [pid 4693] rt_sigprocmask(SIG_SETMASK, [] [pid 4692] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4691] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4690] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4688] <... futex resumed>) = 0 [pid 4686] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4693] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4692] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4688] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4691] <... symlinkat resumed>) = 0 [pid 4686] <... futex resumed>) = 0 [pid 4693] mkdirat(AT_FDCWD, "./config", 0777 [pid 4692] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4691] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4686] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4693] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4692] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 4691] <... futex resumed>) = 1 [pid 4690] <... clone3 resumed> => {parent_tid=[4694]}, 88) = 4694 [pid 4688] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4693] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4692] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4691] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4690] rt_sigprocmask(SIG_SETMASK, [] [pid 4688] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4693] <... futex resumed>) = 1 [pid 4692] <... futex resumed>) = 1 [pid 4691] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4690] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4689] <... futex resumed>) = 0 [pid 4688] <... futex resumed>) = 0 [pid 4686] <... futex resumed>) = 0 [pid 4693] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4692] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4688] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4689] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4686] exit_group(0 [pid 4691] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4690] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4689] <... futex resumed>) = 1 [pid 4693] <... futex resumed>) = 0 [pid 4692] <... futex resumed>) = ? [pid 4686] <... exit_group resumed>) = ? [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4695 [pid 4693] mount(NULL, "./config", "configfs", 0, NULL [pid 4692] +++ exited with 0 +++ [pid 4691] <... unlinkat resumed>) = 0 [pid 4690] <... futex resumed>) = 0 [pid 4689] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4693] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4693] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4693] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 4694 attached [pid 4686] +++ exited with 0 +++ [pid 4694] set_robust_list(0x7f85c0c359a0, 24 [pid 4689] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4694] <... set_robust_list resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4691] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4690] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4689] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4686, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4693] <... futex resumed>) = 0 [pid 4691] <... futex resumed>) = 1 [pid 4689] <... futex resumed>) = 1 [pid 4688] <... futex resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4693] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4691] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4689] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4688] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4693] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4691] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4688] <... futex resumed>) = 0 [pid 4693] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4691] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4688] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4693] <... futex resumed>) = 1 [pid 4689] <... futex resumed>) = 0 [pid 4693] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4691] <... unlinkat resumed>) = 0 [pid 4689] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4691] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4693] <... futex resumed>) = 0 [pid 4689] <... futex resumed>) = 1 [pid 4693] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4691] <... futex resumed>) = 1 [pid 4689] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4688] <... futex resumed>) = 0 [pid 4693] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4691] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4688] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 4695 attached [pid 4693] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4691] <... futex resumed>) = ? [pid 4688] <... exit_group resumed>) = ? [pid 4695] set_robust_list(0x5555810c5760, 24 [pid 4693] <... futex resumed>) = 1 [pid 4691] +++ exited with 0 +++ [pid 4689] <... futex resumed>) = 0 [pid 4688] +++ exited with 0 +++ [pid 4693] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4694] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4694] mkdirat(AT_FDCWD, "./config", 0777 [pid 4689] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4688, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4693] <... futex resumed>) = 0 [pid 4689] <... futex resumed>) = 1 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4693] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4695] <... set_robust_list resumed>) = 0 [pid 4693] <... mkdirat resumed>) = 0 [pid 4689] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4693] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4689] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4693] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 4689] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4693] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4695] rt_sigprocmask(SIG_SETMASK, [] [pid 4693] <... symlinkat resumed>) = 0 [pid 4689] <... futex resumed>) = 0 [pid 4694] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4693] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4689] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4695] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4694] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4693] <... futex resumed>) = 0 [pid 4689] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4695] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4694] <... futex resumed>) = 1 [pid 4693] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4690] <... futex resumed>) = 0 [pid 4689] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4695] <... prctl resumed>) = 0 [pid 4694] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4693] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4690] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4689] <... futex resumed>) = 0 [pid 4695] setpgid(0, 0 [pid 4694] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4693] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4690] <... futex resumed>) = 0 [pid 4689] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4695] <... setpgid resumed>) = 0 [pid 4694] mount(NULL, "./config", "configfs", 0, NULL [pid 4693] <... unlinkat resumed>) = 0 [pid 4690] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4694] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4693] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4695] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4694] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4693] <... futex resumed>) = 1 [pid 4689] <... futex resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 4694] <... futex resumed>) = 1 [pid 4693] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4690] <... futex resumed>) = 0 [pid 4689] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4695] <... openat resumed>) = 3 [pid 4694] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4693] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4690] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4689] <... futex resumed>) = 0 [pid 4695] write(3, "1000", 4 [pid 4694] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4693] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4690] <... futex resumed>) = 0 [pid 4695] <... write resumed>) = 4 [pid 4694] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4693] <... unlinkat resumed>) = 0 [pid 4690] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4689] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4695] close(3 [pid 4694] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4693] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4689] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4694] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4693] <... futex resumed>) = 0 [pid 4689] exit_group(0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4695] <... close resumed>) = 0 [pid 4694] <... futex resumed>) = 1 [pid 4690] <... futex resumed>) = 0 [pid 4689] <... exit_group resumed>) = ? [pid 4694] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4693] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 4696 attached [pid 4696] set_robust_list(0x5555810c5760, 24) = 0 [pid 4696] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4696] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4689] +++ exited with 0 +++ [pid 4696] <... prctl resumed>) = 0 [pid 4690] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4689, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4696 [pid 4695] write(1, "executing program\n", 18 [pid 4694] <... futex resumed>) = 0 [pid 4690] <... futex resumed>) = 1 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> executing program [pid 4694] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4690] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4695] <... write resumed>) = 18 [pid 4694] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4695] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4694] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4695] <... futex resumed>) = 0 [pid 4694] <... futex resumed>) = 1 [pid 4690] <... futex resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 4695] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4694] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4690] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4695] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4694] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4690] <... futex resumed>) = 0 [pid 4695] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4694] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4695] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4694] <... mkdirat resumed>) = 0 [pid 4690] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4695] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4694] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4690] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4695] <... mmap resumed>) = 0x7f85c0c15000 [pid 4694] <... futex resumed>) = 0 [pid 4690] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4695] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4694] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4690] <... futex resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4695] <... mprotect resumed>) = 0 [pid 4694] <... symlinkat resumed>) = 0 [pid 4690] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4696] setpgid(0, 0 [pid 4695] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4694] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4690] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] <... restart_syscall resumed>) = 0 [pid 4695] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4694] <... futex resumed>) = 0 [pid 4690] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4694] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4697 [pid 4696] <... setpgid resumed>) = 0 [pid 4695] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4694] <... unlinkat resumed>) = 0 [pid 4690] <... futex resumed>) = 0 [pid 4696] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4694] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4690] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 4698 attached [pid 4696] <... openat resumed>) = 3 [pid 4695] <... clone3 resumed> => {parent_tid=[4698]}, 88) = 4698 [pid 4694] <... futex resumed>) = 0 [pid 4690] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4696] write(3, "1000", 4 [pid 4695] rt_sigprocmask(SIG_SETMASK, [] [pid 4694] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4690] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4696] <... write resumed>) = 4 [pid 4695] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4694] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4690] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4696] close(3 [pid 4695] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4694] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4690] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4698] set_robust_list(0x7f85c0c359a0, 24 [pid 4696] <... close resumed>) = 0 [pid 4695] <... futex resumed>) = 0 [pid 4694] <... unlinkat resumed>) = 0 [pid 4696] write(1, "executing program\n", 18 [pid 4694] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4696] <... write resumed>) = 18 [pid 4694] <... futex resumed>) = 1 [pid 4696] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4694] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4696] <... futex resumed>) = 0 executing program [pid 4696] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4690] <... futex resumed>) = 0 [pid 4695] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4696] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4690] exit_group(0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4699 [pid 4696] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4694] <... futex resumed>) = ? [pid 4690] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 4699 attached [pid 4698] <... set_robust_list resumed>) = 0 [pid 4696] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4694] +++ exited with 0 +++ [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4696] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4696] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4696] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4690] +++ exited with 0 +++ [pid 4696] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4696] <... clone3 resumed> => {parent_tid=[4700]}, 88) = 4700 [pid 4699] set_robust_list(0x5555810c5760, 24 [pid 4698] rt_sigprocmask(SIG_SETMASK, [] [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4690, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 4697 attached [pid 4697] set_robust_list(0x5555810c5760, 24) = 0 [pid 4697] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4697] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4697] setpgid(0, 0) = 0 [pid 4699] <... set_robust_list resumed>) = 0 [pid 4698] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4696] rt_sigprocmask(SIG_SETMASK, [] [pid 4697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4696] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4698] mkdirat(AT_FDCWD, "./config", 0777 [pid 4696] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4697] write(3, "1000", 4 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4697] <... write resumed>) = 4 [pid 4697] close(3) = 0 [pid 4697] write(1, "executing program\n", 18 [pid 4696] <... futex resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4701 [pid 4697] <... write resumed>) = 18 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4696] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 4697] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4697] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4697] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4697] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4698] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4697] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4697] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4698] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4699] rt_sigprocmask(SIG_SETMASK, [] [pid 4697] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4697] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4699] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4698] <... futex resumed>) = 1 [pid 4697] <... clone3 resumed> => {parent_tid=[4702]}, 88) = 4702 [pid 4695] <... futex resumed>) = 0 [pid 4697] rt_sigprocmask(SIG_SETMASK, [] [pid 4695] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4697] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4695] <... futex resumed>) = 0 [pid 4697] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4695] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4699] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4698] mount(NULL, "./config", "configfs", 0, NULL [pid 4697] <... futex resumed>) = 0 [pid 4697] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4701 attached [pid 4698] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4701] set_robust_list(0x5555810c5760, 24) = 0 [pid 4698] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4699] <... prctl resumed>) = 0 [pid 4698] <... futex resumed>) = 1 [pid 4695] <... futex resumed>) = 0 [pid 4701] rt_sigprocmask(SIG_SETMASK, [] [pid 4698] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4695] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4699] setpgid(0, 0 [pid 4695] <... futex resumed>) = 0 [pid 4698] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4695] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4702 attached [pid 4698] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4702] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4702] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4701] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4699] <... setpgid resumed>) = 0 [pid 4698] <... futex resumed>) = 1 [pid 4695] <... futex resumed>) = 0 [pid 4695] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4698] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4695] <... futex resumed>) = 0 [pid 4702] mkdirat(AT_FDCWD, "./config", 0777 [pid 4698] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4695] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4699] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4698] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4695] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4702] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4698] <... futex resumed>) = 0 [pid 4695] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4698] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4695] <... futex resumed>) = 0 [pid 4702] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4695] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4700 attached [pid 4698] <... mkdirat resumed>) = 0 [pid 4700] set_robust_list(0x7f85c0c359a0, 24 [pid 4698] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4697] <... futex resumed>) = 0 [pid 4695] <... futex resumed>) = 0 [pid 4698] <... futex resumed>) = 1 [pid 4695] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4698] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4695] <... futex resumed>) = 0 [pid 4699] <... openat resumed>) = 3 [pid 4695] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4697] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4698] <... symlinkat resumed>) = 0 [pid 4697] <... futex resumed>) = 0 [pid 4697] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4701] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4698] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4702] <... futex resumed>) = 1 [pid 4695] <... futex resumed>) = 0 [pid 4698] <... futex resumed>) = 1 [pid 4701] <... prctl resumed>) = 0 [pid 4699] write(3, "1000", 4 [pid 4698] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4701] setpgid(0, 0 [pid 4695] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4702] mount(NULL, "./config", "configfs", 0, NULL [pid 4695] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4701] <... setpgid resumed>) = 0 [pid 4699] <... write resumed>) = 4 [pid 4698] <... unlinkat resumed>) = 0 [pid 4700] <... set_robust_list resumed>) = 0 [pid 4702] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4699] close(3 [pid 4698] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4700] rt_sigprocmask(SIG_SETMASK, [] [pid 4698] <... futex resumed>) = 1 [pid 4695] <... futex resumed>) = 0 [pid 4701] <... openat resumed>) = 3 [pid 4699] <... close resumed>) = 0 [pid 4698] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4695] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4701] write(3, "1000", 4 [pid 4699] write(1, "executing program\n", 18 [pid 4698] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4695] <... futex resumed>) = 0 [pid 4702] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4700] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 4699] <... write resumed>) = 18 [pid 4698] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4695] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4701] <... write resumed>) = 4 [pid 4702] <... futex resumed>) = 1 [pid 4700] mkdirat(AT_FDCWD, "./config", 0777 [pid 4701] close(3 [pid 4699] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4698] <... unlinkat resumed>) = 0 [pid 4697] <... futex resumed>) = 0 [pid 4702] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4701] <... close resumed>) = 0 [pid 4700] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4699] <... futex resumed>) = 0 [pid 4698] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4697] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4702] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4701] write(1, "executing program\n", 18 [pid 4700] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4699] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4698] <... futex resumed>) = 1 [pid 4697] <... futex resumed>) = 0 [pid 4695] <... futex resumed>) = 0 executing program [pid 4702] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4701] <... write resumed>) = 18 [pid 4700] <... futex resumed>) = 1 [pid 4699] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4698] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4697] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4696] <... futex resumed>) = 0 [pid 4695] exit_group(0 [pid 4702] <... futex resumed>) = 0 [pid 4701] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4700] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4699] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4697] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4696] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4695] <... exit_group resumed>) = ? [pid 4702] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4701] <... futex resumed>) = 0 [pid 4700] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4699] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4698] <... futex resumed>) = ? [pid 4697] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4696] <... futex resumed>) = 0 [pid 4702] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4700] mount(NULL, "./config", "configfs", 0, NULL [pid 4697] <... futex resumed>) = 0 [pid 4696] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4702] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4700] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4697] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4702] <... futex resumed>) = 0 [pid 4700] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4697] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4702] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4701] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4700] <... futex resumed>) = 1 [pid 4699] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4698] +++ exited with 0 +++ [pid 4697] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4696] <... futex resumed>) = 0 [pid 4695] +++ exited with 0 +++ [pid 4702] <... mkdirat resumed>) = 0 [pid 4701] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4700] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4699] <... mmap resumed>) = 0x7f85c0c15000 [pid 4697] <... futex resumed>) = 0 [pid 4696] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4695, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4702] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4701] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4700] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4699] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4697] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4696] <... futex resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4702] <... futex resumed>) = 0 [pid 4701] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4700] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4699] <... mprotect resumed>) = 0 [pid 4697] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4696] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4702] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4701] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4700] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4699] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4697] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4702] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4701] <... mmap resumed>) = 0x7f85c0c15000 [pid 4700] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4699] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4697] <... futex resumed>) = 0 [pid 4702] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4701] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4700] <... futex resumed>) = 1 [pid 4699] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4697] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4696] <... futex resumed>) = 0 [pid 4702] <... symlinkat resumed>) = 0 [pid 4701] <... mprotect resumed>) = 0 [pid 4700] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4702] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4700] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4696] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4702] <... futex resumed>) = 1 [pid 4701] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4700] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4699] <... clone3 resumed> => {parent_tid=[4703]}, 88) = 4703 [pid 4697] <... futex resumed>) = 0 [pid 4696] <... futex resumed>) = 0 [pid 4702] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4701] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4700] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4699] rt_sigprocmask(SIG_SETMASK, [] [pid 4697] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4696] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4702] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4701] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4700] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4699] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4697] <... futex resumed>) = 0 [pid 4696] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4702] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4700] <... futex resumed>) = 0 [pid 4699] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4697] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4696] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4702] <... unlinkat resumed>) = 0 [pid 4701] <... clone3 resumed> => {parent_tid=[4704]}, 88) = 4704 [pid 4700] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4699] <... futex resumed>) = 0 [pid 4696] <... futex resumed>) = 0 [pid 4702] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4701] rt_sigprocmask(SIG_SETMASK, [] [pid 4700] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4699] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4696] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4702] <... futex resumed>) = 1 [pid 4701] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4700] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4697] <... futex resumed>) = 0 [pid 4696] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4702] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4701] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4700] <... futex resumed>) = 0 [pid 4697] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4704 attached [pid 4702] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4701] <... futex resumed>) = 0 [pid 4700] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4697] <... futex resumed>) = 0 [pid 4696] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4704] set_robust_list(0x7f85c0c359a0, 24 [pid 4702] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4701] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4700] <... symlinkat resumed>) = 0 [pid 4697] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4696] <... futex resumed>) = 0 [pid 4704] <... set_robust_list resumed>) = 0 [pid 4702] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 4700] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4696] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... restart_syscall resumed>) = 0 [pid 4702] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4700] <... futex resumed>) = 0 [pid 4696] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4704] rt_sigprocmask(SIG_SETMASK, [] [pid 4702] <... futex resumed>) = 1 [pid 4700] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4697] <... futex resumed>) = 0 [pid 4696] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4702] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4700] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4697] exit_group(0 [pid 4696] <... futex resumed>) = 0 [pid 4704] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4702] <... futex resumed>) = ? [pid 4700] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4697] <... exit_group resumed>) = ? [pid 4696] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4702] +++ exited with 0 +++ [pid 4700] <... unlinkat resumed>) = 0 [pid 4700] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4700] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 4703 attached [pid 4703] set_robust_list(0x7f85c0c359a0, 24 [pid 4697] +++ exited with 0 +++ [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4697, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4696] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4696] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4703] <... set_robust_list resumed>) = 0 [pid 4700] <... futex resumed>) = 0 [pid 4696] <... futex resumed>) = 1 [pid 4700] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4700] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4696] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4705 [pid 4700] <... futex resumed>) = 0 [pid 4696] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4700] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4696] exit_group(0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4700] <... futex resumed>) = ? [pid 4696] <... exit_group resumed>) = ? [pid 4704] mkdirat(AT_FDCWD, "./config", 0777 [pid 4700] +++ exited with 0 +++ [pid 4703] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4703] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4703] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4703] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4696] +++ exited with 0 +++ [pid 4699] <... futex resumed>) = 0 [pid 4699] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4703] <... futex resumed>) = 0 [pid 4699] <... futex resumed>) = 1 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4696, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4699] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4703] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 4703] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4699] <... futex resumed>) = 0 [pid 4699] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4703] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4699] <... futex resumed>) = 0 [pid 4703] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4699] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4703] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4699] <... futex resumed>) = 0 [pid 4703] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4699] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4703] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4699] <... futex resumed>) = 0 [pid 4703] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4699] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4703] <... futex resumed>) = 0 [pid 4699] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4703] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4699] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4704] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4703] <... mkdirat resumed>) = 0 [pid 4699] <... futex resumed>) = 0 [pid 4703] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4704] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4699] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4703] <... futex resumed>) = 0 [pid 4701] <... futex resumed>) = 0 [pid 4699] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4704] <... futex resumed>) = 1 [pid 4701] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4699] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4701] <... futex resumed>) = 0 [pid 4699] <... futex resumed>) = 0 [pid 4704] mount(NULL, "./config", "configfs", 0, NULL [pid 4701] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4699] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4703] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4704] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4703] <... symlinkat resumed>) = 0 [pid 4704] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4703] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4699] <... futex resumed>) = 0 [pid 4704] <... futex resumed>) = 1 [pid 4701] <... futex resumed>) = 0 [pid 4699] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4704] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4701] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4699] <... futex resumed>) = 0 [pid 4701] <... futex resumed>) = 0 [pid 4704] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4701] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4699] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4704] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4705 attached [pid 4703] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4705] set_robust_list(0x5555810c5760, 24 [pid 4703] <... unlinkat resumed>) = 0 [pid 4705] <... set_robust_list resumed>) = 0 [pid 4704] <... futex resumed>) = 1 [pid 4703] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4701] <... futex resumed>) = 0 [pid 4705] rt_sigprocmask(SIG_SETMASK, [] [pid 4704] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4703] <... futex resumed>) = 1 [pid 4701] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4699] <... futex resumed>) = 0 [pid 4705] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4704] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4703] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4701] <... futex resumed>) = 0 [pid 4699] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... restart_syscall resumed>) = 0 [pid 4704] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4703] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4701] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4699] <... futex resumed>) = 0 [pid 4705] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4703] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4699] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4705] <... prctl resumed>) = 0 [pid 4704] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4703] <... unlinkat resumed>) = 0 [pid 4703] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4705] setpgid(0, 0 [pid 4704] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4703] <... futex resumed>) = 1 [pid 4699] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4705] <... setpgid resumed>) = 0 [pid 4704] <... futex resumed>) = 1 [pid 4703] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4701] <... futex resumed>) = 0 [pid 4699] exit_group(0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4705] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4704] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4703] <... futex resumed>) = ? [pid 4701] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4699] <... exit_group resumed>) = ? [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4705] <... openat resumed>) = 3 [pid 4704] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4703] +++ exited with 0 +++ [pid 4701] <... futex resumed>) = 0 [pid 4699] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 4706 attached [pid 4704] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4705] write(3, "1000", 4 [pid 4701] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4706] set_robust_list(0x5555810c5760, 24 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4699, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4706 [pid 4705] <... write resumed>) = 4 [pid 4704] <... mkdirat resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4706] <... set_robust_list resumed>) = 0 [pid 4705] close(3 [pid 4704] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4704] <... futex resumed>) = 1 [pid 4701] <... futex resumed>) = 0 [pid 4705] <... close resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4704] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4701] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4705] write(1, "executing program\n", 18 [pid 4704] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4701] <... futex resumed>) = 0 executing program [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4705] <... write resumed>) = 18 [pid 4704] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4701] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4704] <... symlinkat resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4705] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4704] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4706] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4706] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4705] <... futex resumed>) = 0 [pid 4704] <... futex resumed>) = 1 [pid 4701] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4707 [pid 4706] <... prctl resumed>) = 0 [pid 4706] setpgid(0, 0) = 0 [pid 4706] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4704] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4705] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4701] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4704] <... unlinkat resumed>) = 0 [pid 4701] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4708 [pid 4705] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4704] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4701] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4705] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4704] <... futex resumed>) = 0 [pid 4701] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4705] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4704] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4701] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4705] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4704] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4701] <... futex resumed>) = 0 [pid 4705] <... mmap resumed>) = 0x7f85c0c15000 [pid 4704] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4701] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4705] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4706] write(3, "1000", 4) = 4 [pid 4704] <... unlinkat resumed>) = 0 [pid 4705] <... mprotect resumed>) = 0 [pid 4704] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4706] close(3 [pid 4705] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4704] <... futex resumed>) = 1 [pid 4705] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4701] <... futex resumed>) = 0 [pid 4705] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4704] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4701] exit_group(0 [pid 4706] <... close resumed>) = 0 [pid 4704] <... futex resumed>) = ? [pid 4701] <... exit_group resumed>) = ? [pid 4706] write(1, "executing program\n", 18) = 18 [pid 4706] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4706] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4706] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4706] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4706] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4704] +++ exited with 0 +++ [pid 4701] +++ exited with 0 +++ executing program [pid 4706] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4705] <... clone3 resumed> => {parent_tid=[4709]}, 88) = 4709 [pid 4705] rt_sigprocmask(SIG_SETMASK, [] [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4701, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4705] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4705] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4707 attached [pid 4706] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4705] <... futex resumed>) = 0 [pid 4707] set_robust_list(0x5555810c5760, 24 [pid 4706] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4705] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4707] <... set_robust_list resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4710 attached ci2-android-5-15/strace-static-x86_64: Process 4709 attached ci2-android-5-15/strace-static-x86_64: Process 4708 attached [pid 4707] rt_sigprocmask(SIG_SETMASK, [] [pid 4706] <... clone3 resumed> => {parent_tid=[4710]}, 88) = 4710 [pid 4710] set_robust_list(0x7f85c0c359a0, 24 [pid 4709] set_robust_list(0x7f85c0c359a0, 24 [pid 4708] set_robust_list(0x5555810c5760, 24 [pid 4710] <... set_robust_list resumed>) = 0 [pid 4709] <... set_robust_list resumed>) = 0 [pid 4708] <... set_robust_list resumed>) = 0 [pid 4710] rt_sigprocmask(SIG_SETMASK, [] [pid 4709] rt_sigprocmask(SIG_SETMASK, [] [pid 4708] rt_sigprocmask(SIG_SETMASK, [] [pid 4710] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4709] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4708] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4710] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4709] mkdirat(AT_FDCWD, "./config", 0777 [pid 4708] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4709] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4708] <... prctl resumed>) = 0 [pid 4709] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4708] setpgid(0, 0 [pid 4709] <... futex resumed>) = 1 [pid 4708] <... setpgid resumed>) = 0 [pid 4705] <... futex resumed>) = 0 [pid 4709] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4708] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4705] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4709] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4708] <... openat resumed>) = 3 [pid 4707] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4706] rt_sigprocmask(SIG_SETMASK, [] [pid 4705] <... futex resumed>) = 0 [pid 4709] mount(NULL, "./config", "configfs", 0, NULL [pid 4708] write(3, "1000", 4 [pid 4705] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4709] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4708] <... write resumed>) = 4 [pid 4706] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4709] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4708] close(3 [pid 4709] <... futex resumed>) = 1 [pid 4708] <... close resumed>) = 0 [pid 4705] <... futex resumed>) = 0 [pid 4709] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4708] write(1, "executing program\n", 18 executing program [pid 4705] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4709] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4708] <... write resumed>) = 18 [pid 4705] <... futex resumed>) = 0 [pid 4709] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4708] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4705] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4709] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4708] <... futex resumed>) = 0 [pid 4709] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4708] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4709] <... futex resumed>) = 1 [pid 4708] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4705] <... futex resumed>) = 0 [pid 4709] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4708] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4705] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4709] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4708] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4705] <... futex resumed>) = 0 [pid 4709] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4708] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4705] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4709] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4708] <... mmap resumed>) = 0x7f85c0c15000 [pid 4709] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4708] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4709] <... futex resumed>) = 1 [pid 4708] <... mprotect resumed>) = 0 [pid 4705] <... futex resumed>) = 0 [pid 4709] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4708] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4705] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4709] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4708] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4705] <... futex resumed>) = 0 [pid 4709] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4708] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4705] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4709] <... mkdirat resumed>) = 0 [pid 4707] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4706] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4709] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4708] <... clone3 resumed> => {parent_tid=[4711]}, 88) = 4711 [pid 4709] <... futex resumed>) = 1 [pid 4708] rt_sigprocmask(SIG_SETMASK, [] [pid 4705] <... futex resumed>) = 0 [pid 4709] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4708] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4705] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4709] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4708] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4705] <... futex resumed>) = 0 [pid 4709] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4708] <... futex resumed>) = 0 [pid 4705] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4709] <... symlinkat resumed>) = 0 [pid 4708] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... restart_syscall resumed>) = 0 [pid 4709] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4711 attached [pid 4710] <... futex resumed>) = 0 [pid 4709] <... futex resumed>) = 1 [pid 4707] <... prctl resumed>) = 0 [pid 4706] <... futex resumed>) = 1 [pid 4705] <... futex resumed>) = 0 [pid 4710] mkdirat(AT_FDCWD, "./config", 0777 [pid 4709] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4705] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4710] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4709] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4705] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4710] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4709] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4705] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4711] set_robust_list(0x7f85c0c359a0, 24 [pid 4710] <... futex resumed>) = 0 [pid 4709] <... unlinkat resumed>) = 0 [pid 4707] setpgid(0, 0 [pid 4706] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4712 attached [pid 4711] <... set_robust_list resumed>) = 0 [pid 4710] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4709] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4707] <... setpgid resumed>) = 0 [pid 4706] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4711] rt_sigprocmask(SIG_SETMASK, [] [pid 4709] <... futex resumed>) = 1 [pid 4707] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4706] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4705] <... futex resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4712 [pid 4712] set_robust_list(0x5555810c5760, 24 [pid 4711] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4710] <... futex resumed>) = 0 [pid 4709] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4707] <... openat resumed>) = 3 [pid 4706] <... futex resumed>) = 1 [pid 4705] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4711] mkdirat(AT_FDCWD, "./config", 0777 [pid 4710] mount(NULL, "./config", "configfs", 0, NULL [pid 4709] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4707] write(3, "1000", 4 [pid 4706] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4705] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4712] <... set_robust_list resumed>) = 0 [pid 4711] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4710] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4709] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4707] <... write resumed>) = 4 [pid 4705] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4711] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4710] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4709] <... unlinkat resumed>) = 0 [pid 4707] close(3 [pid 4711] <... futex resumed>) = 1 [pid 4710] <... futex resumed>) = 1 [pid 4709] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4708] <... futex resumed>) = 0 [pid 4707] <... close resumed>) = 0 [pid 4706] <... futex resumed>) = 0 [pid 4711] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4710] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4709] <... futex resumed>) = 1 [pid 4708] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4707] write(1, "executing program\n", 18 [pid 4706] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4705] <... futex resumed>) = 0 [pid 4711] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 4710] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4709] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4708] <... futex resumed>) = 0 [pid 4707] <... write resumed>) = 18 [pid 4706] <... futex resumed>) = 0 [pid 4705] exit_group(0 [pid 4711] mount(NULL, "./config", "configfs", 0, NULL [pid 4710] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4708] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4707] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4706] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4705] <... exit_group resumed>) = ? [pid 4709] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 4712] rt_sigprocmask(SIG_SETMASK, [] [pid 4711] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4710] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4707] <... futex resumed>) = 0 [pid 4712] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4711] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4710] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4709] +++ exited with 0 +++ [pid 4707] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4705] +++ exited with 0 +++ [pid 4712] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4712] setpgid(0, 0 [pid 4711] <... futex resumed>) = 1 [pid 4710] <... futex resumed>) = 1 [pid 4708] <... futex resumed>) = 0 [pid 4707] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4706] <... futex resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4705, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4712] <... setpgid resumed>) = 0 [pid 4711] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4710] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4708] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4707] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4706] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4712] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4711] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4710] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4708] <... futex resumed>) = 0 [pid 4712] <... openat resumed>) = 3 [pid 4711] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4710] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4708] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4707] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4706] <... futex resumed>) = 0 [pid 4712] write(3, "1000", 4 [pid 4711] <... futex resumed>) = 0 [pid 4710] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4708] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4712] <... write resumed>) = 4 [pid 4711] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4710] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4708] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4707] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4706] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4712] close(3 [pid 4711] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4710] <... futex resumed>) = 0 [pid 4708] <... futex resumed>) = 0 [pid 4707] <... mmap resumed>) = 0x7f85c0c15000 [pid 4706] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4712] <... close resumed>) = 0 [pid 4711] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4710] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4708] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4707] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4706] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4712] write(1, "executing program\n", 18 [pid 4711] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4710] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4707] <... mprotect resumed>) = 0 [pid 4706] <... futex resumed>) = 0 [pid 4712] <... write resumed>) = 18 [pid 4712] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4710] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4711] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4707] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4706] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4712] <... futex resumed>) = 0 executing program [pid 4712] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4710] <... mkdirat resumed>) = 0 [pid 4707] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4711] <... futex resumed>) = 1 [pid 4710] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4708] <... futex resumed>) = 0 [pid 4712] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4711] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4710] <... futex resumed>) = 1 [pid 4708] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4707] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4706] <... futex resumed>) = 0 [pid 4712] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4710] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4708] <... futex resumed>) = 0 [pid 4712] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4711] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4710] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4708] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4706] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4712] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4711] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4710] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4708] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4707] <... clone3 resumed> => {parent_tid=[4713]}, 88) = 4713 [pid 4712] <... mmap resumed>) = 0x7f85c0c15000 [pid 4711] <... futex resumed>) = 0 [pid 4708] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4706] <... futex resumed>) = 0 [pid 4710] <... symlinkat resumed>) = 0 [pid 4712] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4711] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4710] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4708] <... futex resumed>) = 0 [pid 4707] rt_sigprocmask(SIG_SETMASK, [] [pid 4706] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4712] <... mprotect resumed>) = 0 [pid 4711] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4710] <... futex resumed>) = 0 [pid 4708] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4707] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4706] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4712] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4711] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4710] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4708] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4707] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4706] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4712] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4711] <... futex resumed>) = 0 [pid 4710] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4708] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4707] <... futex resumed>) = 0 [pid 4706] <... futex resumed>) = 0 [pid 4712] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4711] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4710] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4708] <... futex resumed>) = 0 [pid 4708] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4707] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4706] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... restart_syscall resumed>) = 0 [pid 4712] <... clone3 resumed> => {parent_tid=[4714]}, 88) = 4714 [pid 4711] <... unlinkat resumed>) = 0 [pid 4710] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4712] rt_sigprocmask(SIG_SETMASK, [] [pid 4710] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4712] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4711] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4710] <... futex resumed>) = 1 [pid 4706] <... futex resumed>) = 0 [pid 4712] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4711] <... futex resumed>) = 1 [pid 4710] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4708] <... futex resumed>) = 0 [pid 4706] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4712] <... futex resumed>) = 0 [pid 4711] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4710] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4708] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4706] <... futex resumed>) = 0 [pid 4712] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4711] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4710] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4708] <... futex resumed>) = 0 [pid 4706] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4713 attached [pid 4711] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4708] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4713] set_robust_list(0x7f85c0c359a0, 24 [pid 4711] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4710] <... unlinkat resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4711] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4710] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4713] <... set_robust_list resumed>) = 0 [pid 4713] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4713] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4713] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4710] <... futex resumed>) = 1 [pid 4706] <... futex resumed>) = 0 [pid 4713] <... futex resumed>) = 1 [pid 4711] <... futex resumed>) = 1 [pid 4710] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4708] <... futex resumed>) = 0 [pid 4707] <... futex resumed>) = 0 [pid 4706] exit_group(0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4715 [pid 4713] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4711] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4708] exit_group(0 [pid 4710] <... futex resumed>) = ? [pid 4707] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4706] <... exit_group resumed>) = ? [pid 4713] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4711] <... futex resumed>) = ? [pid 4710] +++ exited with 0 +++ [pid 4708] <... exit_group resumed>) = ? [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4713] mount(NULL, "./config", "configfs", 0, NULL [pid 4707] <... futex resumed>) = 0 [pid 4713] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4713] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4706] +++ exited with 0 +++ [pid 4713] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4707] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4706, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 4715 attached [pid 4711] +++ exited with 0 +++ [pid 4708] +++ exited with 0 +++ [pid 4707] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4707] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4708, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4713] <... futex resumed>) = 0 [pid 4707] <... futex resumed>) = 1 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4713] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4707] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4713] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 4714 attached ci2-android-5-15/strace-static-x86_64: Process 4716 attached [pid 4713] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4716 [pid 4713] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4707] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4716] set_robust_list(0x5555810c5760, 24 [pid 4714] set_robust_list(0x7f85c0c359a0, 24 [pid 4707] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4713] <... futex resumed>) = 0 [pid 4707] <... futex resumed>) = 1 [pid 4713] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4707] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4716] <... set_robust_list resumed>) = 0 [pid 4715] set_robust_list(0x5555810c5760, 24 [pid 4714] <... set_robust_list resumed>) = 0 [pid 4713] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4707] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4715] <... set_robust_list resumed>) = 0 [pid 4713] <... futex resumed>) = 0 [pid 4707] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4715] rt_sigprocmask(SIG_SETMASK, [] [pid 4713] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4707] <... futex resumed>) = 0 [pid 4715] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4713] <... mkdirat resumed>) = 0 [pid 4707] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4715] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4713] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4707] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4715] <... prctl resumed>) = 0 [pid 4713] <... futex resumed>) = 0 [pid 4707] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4715] setpgid(0, 0 [pid 4713] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4707] <... futex resumed>) = 0 [pid 4715] <... setpgid resumed>) = 0 [pid 4713] <... symlinkat resumed>) = 0 [pid 4707] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4715] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4714] rt_sigprocmask(SIG_SETMASK, [] [pid 4713] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4707] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4715] <... openat resumed>) = 3 [pid 4713] <... futex resumed>) = 0 [pid 4707] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4715] write(3, "1000", 4 [pid 4714] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4713] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4715] <... write resumed>) = 4 [pid 4714] mkdirat(AT_FDCWD, "./config", 0777 [pid 4713] <... unlinkat resumed>) = 0 [pid 4707] <... futex resumed>) = 0 [pid 4715] close(3 [pid 4713] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4715] <... close resumed>) = 0 [pid 4713] <... futex resumed>) = 0 [pid 4707] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4715] write(1, "executing program\n", 18 [pid 4714] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4713] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4707] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4715] <... write resumed>) = 18 [pid 4715] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4714] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 4707] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4715] <... futex resumed>) = 0 [pid 4714] <... futex resumed>) = 1 [pid 4713] <... futex resumed>) = 0 [pid 4712] <... futex resumed>) = 0 [pid 4707] <... futex resumed>) = 1 [pid 4715] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4713] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4712] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4707] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4714] mount(NULL, "./config", "configfs", 0, NULL [pid 4715] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4713] <... unlinkat resumed>) = 0 [pid 4712] <... futex resumed>) = 0 [pid 4715] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4713] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4712] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4715] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4713] <... futex resumed>) = 1 [pid 4707] <... futex resumed>) = 0 [pid 4715] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4714] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4713] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4715] <... mmap resumed>) = 0x7f85c0c15000 [pid 4714] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4707] exit_group(0 [pid 4715] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4714] <... futex resumed>) = 1 [pid 4713] <... futex resumed>) = ? [pid 4712] <... futex resumed>) = 0 [pid 4707] <... exit_group resumed>) = ? [pid 4716] rt_sigprocmask(SIG_SETMASK, [] [pid 4715] <... mprotect resumed>) = 0 [pid 4714] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4713] +++ exited with 0 +++ [pid 4712] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4715] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4712] <... futex resumed>) = 0 [pid 4715] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4712] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4715] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[4717]}, 88) = 4717 [pid 4715] rt_sigprocmask(SIG_SETMASK, [] [pid 4707] +++ exited with 0 +++ [pid 4715] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4714] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4707, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4715] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4715] <... futex resumed>) = 0 [pid 4715] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4717 attached [pid 4717] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 4716] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4714] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4716] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4714] <... mkdirat resumed>) = -1 EEXIST (File exists) ci2-android-5-15/strace-static-x86_64: Process 4718 attached [pid 4714] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4718 [pid 4717] rt_sigprocmask(SIG_SETMASK, [] [pid 4716] <... prctl resumed>) = 0 [pid 4714] <... futex resumed>) = 1 [pid 4712] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4716] setpgid(0, 0 [pid 4714] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4712] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4716] <... setpgid resumed>) = 0 [pid 4714] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4712] <... futex resumed>) = 0 [pid 4716] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4712] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4716] <... openat resumed>) = 3 [pid 4714] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4712] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4716] write(3, "1000", 4 [pid 4712] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4716] <... write resumed>) = 4 [pid 4714] <... futex resumed>) = 0 [pid 4712] <... futex resumed>) = 0 [pid 4716] close(3 [pid 4714] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4712] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4716] <... close resumed>) = 0 [pid 4716] write(1, "executing program\n", 18) = 18 [pid 4716] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... restart_syscall resumed>) = 0 [pid 4716] <... futex resumed>) = 0 [pid 4714] <... mkdirat resumed>) = 0 executing program [pid 4716] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4714] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4716] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4714] <... futex resumed>) = 1 [pid 4712] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4716] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4714] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4712] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4716] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4714] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4712] <... futex resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 4719 attached [pid 4718] set_robust_list(0x5555810c5760, 24 [pid 4716] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4714] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4712] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4716] <... mmap resumed>) = 0x7f85c0c15000 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4719 [pid 4716] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4716] <... mprotect resumed>) = 0 [pid 4714] <... symlinkat resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4716] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4716] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[4720]}, 88) = 4720 [pid 4716] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4716] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4716] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4717] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4717] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4717] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4715] <... futex resumed>) = 0 [pid 4715] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4715] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4717] <... futex resumed>) = 1 [pid 4717] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 4714] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4717] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4714] <... futex resumed>) = 1 [pid 4712] <... futex resumed>) = 0 [pid 4714] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4712] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4715] <... futex resumed>) = 0 [pid 4714] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4715] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4714] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4712] <... futex resumed>) = 0 [pid 4715] <... futex resumed>) = 0 [pid 4717] <... futex resumed>) = 1 [pid 4715] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4717] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4714] <... unlinkat resumed>) = 0 [pid 4712] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4718] <... set_robust_list resumed>) = 0 [pid 4714] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4712] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4714] <... futex resumed>) = 0 [pid 4712] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4714] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4712] <... futex resumed>) = 0 [pid 4717] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4717] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4714] <... unlinkat resumed>) = 0 [pid 4712] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4718] rt_sigprocmask(SIG_SETMASK, [] [pid 4714] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4712] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4718] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4714] <... futex resumed>) = 0 [pid 4712] exit_group(0 [pid 4714] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 4712] <... exit_group resumed>) = ? [pid 4717] <... futex resumed>) = 1 [pid 4715] <... futex resumed>) = 0 [pid 4717] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4715] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4717] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4715] <... futex resumed>) = 0 [pid 4717] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4715] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4717] <... futex resumed>) = 0 [pid 4715] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4717] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4715] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4717] <... mkdirat resumed>) = 0 [pid 4715] <... futex resumed>) = 0 [pid 4714] +++ exited with 0 +++ [pid 4712] +++ exited with 0 +++ [pid 4717] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4715] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4712, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4718] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4717] <... futex resumed>) = 0 [pid 4715] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4717] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4715] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4718] <... prctl resumed>) = 0 [pid 4717] <... symlinkat resumed>) = 0 [pid 4715] <... futex resumed>) = 0 [pid 4717] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4715] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4717] <... futex resumed>) = 0 [pid 4715] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4717] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4715] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4719] set_robust_list(0x5555810c5760, 24 [pid 4718] setpgid(0, 0 [pid 4717] <... unlinkat resumed>) = 0 [pid 4715] <... futex resumed>) = 0 [pid 4717] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4715] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4718] <... setpgid resumed>) = 0 [pid 4717] <... futex resumed>) = 0 [pid 4715] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4717] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4715] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4717] <... unlinkat resumed>) = 0 [pid 4715] <... futex resumed>) = 0 [pid 4718] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4717] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4715] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4717] <... futex resumed>) = 0 [pid 4715] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4717] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4715] exit_group(0 [pid 4717] <... futex resumed>) = ? [pid 4715] <... exit_group resumed>) = ? [pid 4719] <... set_robust_list resumed>) = 0 [pid 4718] <... openat resumed>) = 3 [pid 4717] +++ exited with 0 +++ [pid 4715] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 4720 attached [pid 4718] write(3, "1000", 4 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4715, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4720] set_robust_list(0x7f85c0c359a0, 24 [pid 4718] <... write resumed>) = 4 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4720] <... set_robust_list resumed>) = 0 [pid 4720] rt_sigprocmask(SIG_SETMASK, [] [pid 4718] close(3 [pid 4720] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4720] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4720] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4716] <... futex resumed>) = 0 [pid 4720] mount(NULL, "./config", "configfs", 0, NULL [pid 4716] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4720] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4716] <... futex resumed>) = 0 [pid 4720] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4718] <... close resumed>) = 0 [pid 4716] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4720] <... futex resumed>) = 0 [pid 4718] write(1, "executing program\n", 18 [pid 4716] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4720] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 executing program [pid 4716] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4720] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4718] <... write resumed>) = 18 [pid 4716] <... futex resumed>) = 0 [pid 4720] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4719] rt_sigprocmask(SIG_SETMASK, [] [pid 4716] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4720] <... futex resumed>) = 0 [pid 4716] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4720] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4716] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4720] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4716] <... futex resumed>) = 0 [pid 4720] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4716] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4720] <... futex resumed>) = 0 [pid 4716] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4720] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4716] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4720] <... mkdirat resumed>) = 0 [pid 4716] <... futex resumed>) = 0 [pid 4720] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4719] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4718] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4716] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4720] <... futex resumed>) = 0 [pid 4718] <... futex resumed>) = 0 [pid 4716] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4720] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4716] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4720] <... symlinkat resumed>) = 0 [pid 4718] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4716] <... futex resumed>) = 0 [pid 4720] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4718] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4716] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4720] <... futex resumed>) = 0 [pid 4718] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4716] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4720] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4718] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4716] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4720] <... unlinkat resumed>) = 0 [pid 4719] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4718] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4716] <... futex resumed>) = 0 [pid 4720] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4716] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4720] <... futex resumed>) = 0 [pid 4718] <... mmap resumed>) = 0x7f85c0c15000 [pid 4716] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4720] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4719] <... prctl resumed>) = 0 [pid 4718] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4716] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4720] <... unlinkat resumed>) = 0 [pid 4719] setpgid(0, 0 [pid 4718] <... mprotect resumed>) = 0 [pid 4716] <... futex resumed>) = 0 [pid 4720] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4719] <... setpgid resumed>) = 0 [pid 4718] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4716] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... restart_syscall resumed>) = 0 [pid 4720] <... futex resumed>) = 0 [pid 4718] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4716] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] <... restart_syscall resumed>) = 0 [pid 4720] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4719] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4718] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4716] exit_group(0 [pid 4720] <... futex resumed>) = ? [pid 4716] <... exit_group resumed>) = ? [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4720] +++ exited with 0 +++ [pid 4719] <... openat resumed>) = 3 [pid 4716] +++ exited with 0 +++ [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4719] write(3, "1000", 4 [pid 4718] <... clone3 resumed> => {parent_tid=[4721]}, 88) = 4721 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4716, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4719] <... write resumed>) = 4 [pid 4718] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4719] close(3 [pid 4718] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4722 [pid 4718] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4721 attached [pid 4721] set_robust_list(0x7f85c0c359a0, 24 [pid 4718] <... futex resumed>) = 0 [pid 4719] <... close resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4723 [pid 4718] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4719] write(1, "executing program\n", 18 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4721] <... set_robust_list resumed>) = 0 [pid 4719] <... write resumed>) = 18 [pid 4721] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 4719] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4721] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4721] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4721] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4718] <... futex resumed>) = 0 [pid 4719] <... futex resumed>) = 0 [pid 4721] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 4723 attached [pid 4718] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4719] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4718] <... futex resumed>) = 1 [pid 4721] <... futex resumed>) = 0 [pid 4718] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4719] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4721] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 4719] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4721] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4719] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4721] <... futex resumed>) = 1 [pid 4719] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4718] <... futex resumed>) = 0 [pid 4719] <... mmap resumed>) = 0x7f85c0c15000 [pid 4718] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4719] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4721] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4718] <... futex resumed>) = 0 [pid 4719] <... mprotect resumed>) = 0 [pid 4718] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4721] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4719] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4718] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4719] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4721] <... futex resumed>) = 0 [pid 4719] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4718] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4721] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4718] <... futex resumed>) = 0 [pid 4721] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4718] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4721] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4719] <... clone3 resumed> => {parent_tid=[4724]}, 88) = 4724 [pid 4721] <... futex resumed>) = 1 [pid 4718] <... futex resumed>) = 0 [pid 4719] rt_sigprocmask(SIG_SETMASK, [] [pid 4718] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4719] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4718] <... futex resumed>) = 0 [pid 4719] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4718] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4719] <... futex resumed>) = 0 [pid 4721] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4719] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4721] <... mkdirat resumed>) = 0 [pid 4721] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4721] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4723] set_robust_list(0x5555810c5760, 24 [pid 4718] <... futex resumed>) = 0 [pid 4723] <... set_robust_list resumed>) = 0 [pid 4718] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4723] rt_sigprocmask(SIG_SETMASK, [] [pid 4718] <... futex resumed>) = 1 [pid 4721] <... futex resumed>) = 0 [pid 4718] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4721] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4721] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4721] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4723] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4718] <... futex resumed>) = 0 [pid 4723] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4718] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4723] <... prctl resumed>) = 0 [pid 4721] <... futex resumed>) = 0 [pid 4718] <... futex resumed>) = 1 [pid 4721] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4718] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4721] <... unlinkat resumed>) = 0 [pid 4721] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4718] <... futex resumed>) = 0 [pid 4721] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4718] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4721] <... unlinkat resumed>) = 0 [pid 4718] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4722 attached [pid 4718] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4721] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4718] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4721] <... futex resumed>) = 0 [pid 4718] exit_group(0) = ? [pid 4721] +++ exited with 0 +++ [pid 4723] setpgid(0, 0) = 0 [pid 4723] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4723] write(3, "1000", 4 [pid 4718] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4718, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4723] <... write resumed>) = 4 [pid 4723] close(3) = 0 [pid 4723] write(1, "executing program\n", 18) = 18 executing program [pid 4723] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4722] set_robust_list(0x5555810c5760, 24 [pid 4723] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4722] <... set_robust_list resumed>) = 0 [pid 4723] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4723] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4723] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4723] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4723] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4723] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[4725]}, 88) = 4725 [pid 4723] rt_sigprocmask(SIG_SETMASK, [] [pid 4722] rt_sigprocmask(SIG_SETMASK, [] [pid 4723] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4723] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4723] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4724 attached [pid 4724] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4724] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4722] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4724] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4722] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4724] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4719] <... futex resumed>) = 0 [pid 4722] <... prctl resumed>) = 0 [pid 4724] mount(NULL, "./config", "configfs", 0, NULL [pid 4722] setpgid(0, 0 [pid 4719] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4724] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4722] <... setpgid resumed>) = 0 [pid 4719] <... futex resumed>) = 0 [pid 4724] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4719] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4724] <... futex resumed>) = 0 [pid 4719] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4722] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4719] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4724] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4719] <... futex resumed>) = 0 [pid 4724] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4719] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4722] <... openat resumed>) = 3 [pid 4724] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4722] write(3, "1000", 4ci2-android-5-15/strace-static-x86_64: Process 4726 attached [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4726 [pid 4722] <... write resumed>) = 4 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4722] close(3 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4722] <... close resumed>) = 0 [pid 4722] write(1, "executing program\n", 18) = 18 [pid 4724] <... futex resumed>) = 1 [pid 4719] <... futex resumed>) = 0 executing program [pid 4722] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4724] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 4725 attached [pid 4725] set_robust_list(0x7f85c0c359a0, 24 [pid 4719] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4722] <... futex resumed>) = 0 [pid 4719] <... futex resumed>) = 1 [pid 4722] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4719] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4722] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4724] <... futex resumed>) = 0 [pid 4722] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4724] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4722] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4724] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4722] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4724] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4722] <... mmap resumed>) = 0x7f85c0c15000 [pid 4724] <... futex resumed>) = 1 [pid 4722] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4719] <... futex resumed>) = 0 [pid 4722] <... mprotect resumed>) = 0 [pid 4724] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4719] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4722] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4719] <... futex resumed>) = 0 [pid 4722] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4719] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4722] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4724] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4724] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4722] <... clone3 resumed> => {parent_tid=[4727]}, 88) = 4727 [pid 4724] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4722] rt_sigprocmask(SIG_SETMASK, [] [pid 4724] <... futex resumed>) = 1 [pid 4722] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4719] <... futex resumed>) = 0 [pid 4722] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4719] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4724] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4722] <... futex resumed>) = 0 [pid 4719] <... futex resumed>) = 0 [pid 4722] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4719] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4724] <... symlinkat resumed>) = 0 [pid 4724] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4719] <... futex resumed>) = 0 [pid 4719] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4725] <... set_robust_list resumed>) = 0 [pid 4724] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4719] <... futex resumed>) = 0 [pid 4725] rt_sigprocmask(SIG_SETMASK, [] [pid 4724] <... unlinkat resumed>) = 0 [pid 4719] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4725] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4724] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4719] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4725] mkdirat(AT_FDCWD, "./config", 0777 [pid 4724] <... futex resumed>) = 0 [pid 4719] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4725] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4724] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4719] <... futex resumed>) = 0 [pid 4726] set_robust_list(0x5555810c5760, 24 [pid 4725] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4724] <... unlinkat resumed>) = 0 [pid 4719] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4725] <... futex resumed>) = 1 [pid 4724] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4723] <... futex resumed>) = 0 [pid 4725] mount(NULL, "./config", "configfs", 0, NULL [pid 4724] <... futex resumed>) = 0 [pid 4723] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4719] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4725] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4724] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4723] <... futex resumed>) = 0 [pid 4725] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4723] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4719] exit_group(0 [pid 4725] <... futex resumed>) = 0 [pid 4723] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4725] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4724] <... futex resumed>) = ? [pid 4723] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4719] <... exit_group resumed>) = ? [pid 304] <... restart_syscall resumed>) = 0 [pid 4725] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4724] +++ exited with 0 +++ [pid 4723] <... futex resumed>) = 0 [pid 4725] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4723] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4725] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4725] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4725] <... futex resumed>) = 1 [pid 4723] <... futex resumed>) = 0 [pid 4719] +++ exited with 0 +++ [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4726] <... set_robust_list resumed>) = 0 [pid 4725] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4723] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4726] rt_sigprocmask(SIG_SETMASK, [] [pid 4725] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4723] <... futex resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4728 ci2-android-5-15/strace-static-x86_64: Process 4728 attached [pid 4725] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4723] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4719, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4725] <... futex resumed>) = 0 [pid 4723] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4726] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4725] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4723] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4725] <... mkdirat resumed>) = 0 [pid 4723] <... futex resumed>) = 0 [pid 4725] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4723] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4725] <... futex resumed>) = 0 [pid 4723] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4726] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4725] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4723] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4725] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4723] <... futex resumed>) = 0 [pid 4725] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4723] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4725] <... symlinkat resumed>) = 0 [pid 4725] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4723] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4727 attached [pid 4725] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4723] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4727] set_robust_list(0x7f85c0c359a0, 24 [pid 4725] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4723] <... futex resumed>) = 0 [pid 4727] <... set_robust_list resumed>) = 0 [pid 4725] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4723] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4727] rt_sigprocmask(SIG_SETMASK, [] [pid 4725] <... unlinkat resumed>) = 0 [pid 4727] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4725] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4727] mkdirat(AT_FDCWD, "./config", 0777 [pid 4725] <... futex resumed>) = 1 [pid 4723] <... futex resumed>) = 0 [pid 4727] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4726] <... prctl resumed>) = 0 [pid 4725] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4723] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4727] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4725] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4723] <... futex resumed>) = 0 [pid 4727] <... futex resumed>) = 1 [pid 4726] setpgid(0, 0 [pid 4725] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4723] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4722] <... futex resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 4727] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4726] <... setpgid resumed>) = 0 [pid 4725] <... unlinkat resumed>) = 0 [pid 4722] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4727] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4725] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4722] <... futex resumed>) = 0 [pid 4727] mount(NULL, "./config", "configfs", 0, NULL [pid 4726] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4725] <... futex resumed>) = 1 [pid 4723] <... futex resumed>) = 0 [pid 4727] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4726] <... openat resumed>) = 3 [pid 4725] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4723] exit_group(0 [pid 4722] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4727] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4726] write(3, "1000", 4 [pid 4725] <... futex resumed>) = ? [pid 4723] <... exit_group resumed>) = ? [pid 4728] set_robust_list(0x5555810c5760, 24 [pid 4727] <... futex resumed>) = 0 [pid 4726] <... write resumed>) = 4 [pid 4725] +++ exited with 0 +++ [pid 4723] +++ exited with 0 +++ [pid 4722] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4727] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4726] close(3 [pid 4722] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4723, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4727] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4726] <... close resumed>) = 0 [pid 4722] <... futex resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4727] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4726] write(1, "executing program\n", 18 [pid 4722] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4727] <... futex resumed>) = 0 [pid 4727] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4728] <... set_robust_list resumed>) = 0 [pid 4728] rt_sigprocmask(SIG_SETMASK, [] [pid 4726] <... write resumed>) = 18 [pid 4722] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4729 [pid 4726] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4722] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4726] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4728] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4727] <... futex resumed>) = 0 [pid 4722] <... futex resumed>) = 1 [pid 4728] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4727] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4726] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} executing program [pid 4722] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4728] <... prctl resumed>) = 0 [pid 4727] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4726] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4728] setpgid(0, 0 [pid 4727] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4726] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4728] <... setpgid resumed>) = 0 [pid 4727] <... futex resumed>) = 1 [pid 4726] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4722] <... futex resumed>) = 0 [pid 4728] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4727] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4728] <... openat resumed>) = 3 [pid 4728] write(3, "1000", 4) = 4 [pid 4722] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4726] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4730 [pid 4728] close(3 [pid 4727] <... futex resumed>) = 0 [pid 4722] <... futex resumed>) = 1 [pid 4728] <... close resumed>) = 0 [pid 4727] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4726] <... mmap resumed>) = 0x7f85c0c15000 [pid 4722] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 4730 attached [pid 4728] write(1, "executing program\n", 18 [pid 4727] <... mkdirat resumed>) = 0 executing program [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4728] <... write resumed>) = 18 [pid 4727] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4726] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4728] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4727] <... futex resumed>) = 1 [pid 4722] <... futex resumed>) = 0 [pid 4728] <... futex resumed>) = 0 [pid 4727] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4726] <... mprotect resumed>) = 0 [pid 4722] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4728] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4727] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ci2-android-5-15/strace-static-x86_64: Process 4729 attached [pid 4728] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4727] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4726] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4722] <... futex resumed>) = 0 [pid 4729] set_robust_list(0x5555810c5760, 24 [pid 4728] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4727] <... symlinkat resumed>) = 0 [pid 4726] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4729] <... set_robust_list resumed>) = 0 [pid 4728] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4727] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4722] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4729] rt_sigprocmask(SIG_SETMASK, [] [pid 4728] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4727] <... futex resumed>) = 0 [pid 4726] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4722] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4729] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4728] <... mmap resumed>) = 0x7f85c0c15000 [pid 4727] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4729] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4728] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4729] <... prctl resumed>) = 0 [pid 4730] set_robust_list(0x5555810c5760, 24 [pid 4728] <... mprotect resumed>) = 0 [pid 4722] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4729] setpgid(0, 0 [pid 4728] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4729] <... setpgid resumed>) = 0 [pid 4728] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4727] <... futex resumed>) = 0 [pid 4726] <... clone3 resumed> => {parent_tid=[4731]}, 88) = 4731 [pid 4722] <... futex resumed>) = 1 ci2-android-5-15/strace-static-x86_64: Process 4731 attached [pid 4729] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4728] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4727] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4726] rt_sigprocmask(SIG_SETMASK, [] [pid 4722] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4732 attached [pid 4730] <... set_robust_list resumed>) = 0 [pid 4729] <... openat resumed>) = 3 [pid 4727] <... unlinkat resumed>) = 0 [pid 4726] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4729] write(3, "1000", 4 [pid 4728] <... clone3 resumed> => {parent_tid=[4732]}, 88) = 4732 [pid 4727] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4726] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4729] <... write resumed>) = 4 [pid 4728] rt_sigprocmask(SIG_SETMASK, [] [pid 4727] <... futex resumed>) = 1 [pid 4722] <... futex resumed>) = 0 [pid 4726] <... futex resumed>) = 0 [pid 4729] close(3 [pid 4728] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4727] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4722] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4726] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4729] <... close resumed>) = 0 [pid 4728] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4727] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4722] <... futex resumed>) = 0 [pid 4729] write(1, "executing program\n", 18 [pid 4728] <... futex resumed>) = 0 executing program [pid 4727] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4730] rt_sigprocmask(SIG_SETMASK, [] [pid 4729] <... write resumed>) = 18 [pid 4728] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4727] <... unlinkat resumed>) = 0 [pid 4722] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4729] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4727] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4722] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4730] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4729] <... futex resumed>) = 0 [pid 4727] <... futex resumed>) = 0 [pid 4729] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4727] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4722] exit_group(0 [pid 4730] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4729] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4729] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4727] <... futex resumed>) = ? [pid 4722] <... exit_group resumed>) = ? [pid 4729] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4727] +++ exited with 0 +++ [pid 4729] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4729] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4731] set_robust_list(0x7f85c0c359a0, 24 [pid 4729] <... mprotect resumed>) = 0 [pid 4731] <... set_robust_list resumed>) = 0 [pid 4729] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4731] rt_sigprocmask(SIG_SETMASK, [] [pid 4729] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4722] +++ exited with 0 +++ [pid 4731] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4730] <... prctl resumed>) = 0 [pid 4729] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4722, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4731] mkdirat(AT_FDCWD, "./config", 0777 [pid 4730] setpgid(0, 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4731] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4730] <... setpgid resumed>) = 0 [pid 4729] <... clone3 resumed> => {parent_tid=[4733]}, 88) = 4733 [pid 4731] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4729] rt_sigprocmask(SIG_SETMASK, [] [pid 4731] <... futex resumed>) = 1 [pid 4729] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4731] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4729] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4726] <... futex resumed>) = 0 [pid 4730] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4729] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4726] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4733 attached [pid 4732] set_robust_list(0x7f85c0c359a0, 24 [pid 4731] <... futex resumed>) = 0 [pid 4730] <... openat resumed>) = 3 [pid 4726] <... futex resumed>) = 1 [pid 4731] mount(NULL, "./config", "configfs", 0, NULL [pid 4730] write(3, "1000", 4 [pid 4726] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4731] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4730] <... write resumed>) = 4 [pid 306] <... restart_syscall resumed>) = 0 [pid 4731] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4730] close(3 [pid 4726] <... futex resumed>) = 0 [pid 4731] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4726] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4731] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4730] <... close resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4731] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4726] <... futex resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4731] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4730] write(1, "executing program\n", 18 executing program [pid 4726] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4731] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4730] <... write resumed>) = 18 [pid 4726] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4734 [pid 4731] <... futex resumed>) = 0 [pid 4730] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4726] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4731] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4730] <... futex resumed>) = 0 [pid 4726] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4733] set_robust_list(0x7f85c0c359a0, 24 [pid 4726] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4731] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4730] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4731] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4730] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4733] <... set_robust_list resumed>) = 0 [pid 4731] <... futex resumed>) = 1 [pid 4730] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4726] <... futex resumed>) = 0 [pid 4731] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4730] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4726] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4731] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4730] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4726] <... futex resumed>) = 0 [pid 4731] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4730] <... mmap resumed>) = 0x7f85c0c15000 [pid 4726] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4733] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4733] mkdirat(AT_FDCWD, "./config", 0777 [pid 4731] <... mkdirat resumed>) = 0 [pid 4730] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4731] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4730] <... mprotect resumed>) = 0 [pid 4731] <... futex resumed>) = 1 [pid 4726] <... futex resumed>) = 0 [pid 4730] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4726] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4734 attached [pid 4733] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4732] <... set_robust_list resumed>) = 0 [pid 4731] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4730] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4726] <... futex resumed>) = 0 [pid 4733] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4732] rt_sigprocmask(SIG_SETMASK, [] [pid 4726] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4731] <... symlinkat resumed>) = 0 [pid 4730] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4733] <... futex resumed>) = 1 [pid 4732] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4731] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4729] <... futex resumed>) = 0 [pid 4733] mount(NULL, "./config", "configfs", 0, NULL [pid 4732] mkdirat(AT_FDCWD, "./config", 0777 [pid 4731] <... futex resumed>) = 1 [pid 4729] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4726] <... futex resumed>) = 0 [pid 4733] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4732] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4731] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4730] <... clone3 resumed> => {parent_tid=[4735]}, 88) = 4735 [pid 4729] <... futex resumed>) = 0 [pid 4726] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4733] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4732] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4731] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4730] rt_sigprocmask(SIG_SETMASK, [] [pid 4729] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4733] <... futex resumed>) = 0 [pid 4732] <... futex resumed>) = 1 [pid 4731] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4730] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4729] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4728] <... futex resumed>) = 0 [pid 4726] <... futex resumed>) = 0 [pid 4733] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4732] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4729] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4728] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4733] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4732] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4731] <... unlinkat resumed>) = 0 [pid 4730] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4729] <... futex resumed>) = 0 [pid 4728] <... futex resumed>) = 0 [pid 4726] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4734] set_robust_list(0x5555810c5760, 24 [pid 4733] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4732] mount(NULL, "./config", "configfs", 0, NULL [pid 4731] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4730] <... futex resumed>) = 0 [pid 4729] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4728] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4726] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4734] <... set_robust_list resumed>) = 0 [pid 4733] <... futex resumed>) = 0 [pid 4732] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4731] <... futex resumed>) = 0 [pid 4730] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4729] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4726] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4735 attached [pid 4734] rt_sigprocmask(SIG_SETMASK, [] [pid 4733] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4732] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4731] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4729] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4726] <... futex resumed>) = 0 [pid 4734] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4733] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4732] <... futex resumed>) = 1 [pid 4729] <... futex resumed>) = 0 [pid 4728] <... futex resumed>) = 0 [pid 4734] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4733] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4732] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4731] <... unlinkat resumed>) = 0 [pid 4729] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4728] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4726] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4734] <... prctl resumed>) = 0 [pid 4733] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4732] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4731] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4728] <... futex resumed>) = 0 [pid 4734] setpgid(0, 0 [pid 4733] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4732] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4731] <... futex resumed>) = 0 [pid 4728] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4726] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4734] <... setpgid resumed>) = 0 [pid 4733] <... futex resumed>) = 1 [pid 4732] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4729] <... futex resumed>) = 0 [pid 4734] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4733] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4732] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4731] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4729] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4726] exit_group(0 [pid 4734] <... openat resumed>) = 3 [pid 4733] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4732] <... futex resumed>) = 1 [pid 4729] <... futex resumed>) = 0 [pid 4728] <... futex resumed>) = 0 [pid 4726] <... exit_group resumed>) = ? [pid 4731] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 4734] write(3, "1000", 4 [pid 4733] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4732] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4729] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4728] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4734] <... write resumed>) = 4 [pid 4733] <... mkdirat resumed>) = 0 [pid 4732] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4728] <... futex resumed>) = 0 [pid 4734] close(3 [pid 4733] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4732] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4728] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4734] <... close resumed>) = 0 [pid 4733] <... futex resumed>) = 1 [pid 4732] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4731] +++ exited with 0 +++ [pid 4729] <... futex resumed>) = 0 [pid 4726] +++ exited with 0 +++ [pid 4734] write(1, "executing program\n", 18 [pid 4733] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4732] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4729] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4726, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 4734] <... write resumed>) = 18 [pid 4733] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4732] <... futex resumed>) = 1 [pid 4729] <... futex resumed>) = 0 [pid 4728] <... futex resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4734] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4733] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4732] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4729] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4728] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4735] set_robust_list(0x7f85c0c359a0, 24 [pid 4734] <... futex resumed>) = 0 [pid 4733] <... symlinkat resumed>) = 0 [pid 4732] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4728] <... futex resumed>) = 0 [pid 4734] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4733] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4732] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4728] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4734] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4733] <... futex resumed>) = 1 [pid 4732] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4729] <... futex resumed>) = 0 [pid 4734] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4733] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4732] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4729] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4734] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4733] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4732] <... futex resumed>) = 1 [pid 4729] <... futex resumed>) = 0 [pid 4728] <... futex resumed>) = 0 [pid 4734] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4733] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4732] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4729] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4728] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4734] <... mmap resumed>) = 0x7f85c0c15000 [pid 4733] <... unlinkat resumed>) = 0 [pid 4732] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4728] <... futex resumed>) = 0 [pid 4734] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4733] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4732] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4728] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4735] <... set_robust_list resumed>) = 0 [pid 4734] <... mprotect resumed>) = 0 [pid 4733] <... futex resumed>) = 1 [pid 4732] <... symlinkat resumed>) = 0 [pid 4729] <... futex resumed>) = 0 [pid 4735] rt_sigprocmask(SIG_SETMASK, [] [pid 4734] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4733] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4734] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4733] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4732] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4729] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4734] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4733] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4732] <... futex resumed>) = 1 [pid 4729] <... futex resumed>) = 0 [pid 4728] <... futex resumed>) = 0 [pid 4732] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4729] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4733] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 4728] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4733] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4732] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4728] <... futex resumed>) = 0 [pid 4734] <... clone3 resumed> => {parent_tid=[4736]}, 88) = 4736 [pid 4733] <... futex resumed>) = 1 [pid 4732] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4729] <... futex resumed>) = 0 [pid 4728] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4734] rt_sigprocmask(SIG_SETMASK, [] [pid 4733] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4732] <... unlinkat resumed>) = 0 [pid 4729] exit_group(0 [pid 4734] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4732] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4734] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4733] <... futex resumed>) = ? [pid 4732] <... futex resumed>) = 1 [pid 4729] <... exit_group resumed>) = ? [pid 4728] <... futex resumed>) = 0 [pid 4734] <... futex resumed>) = 0 [pid 4733] +++ exited with 0 +++ [pid 4735] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4735] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4735] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4730] <... futex resumed>) = 0 [pid 4735] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4730] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4735] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4730] <... futex resumed>) = 0 [pid 4729] +++ exited with 0 +++ [pid 4728] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4735] mount(NULL, "./config", "configfs", 0, NULL [pid 4734] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4732] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4730] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4728] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4729, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4735] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4732] <... unlinkat resumed>) = 0 [pid 4728] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] <... restart_syscall resumed>) = 0 [pid 4735] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4732] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4728] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] <... restart_syscall resumed>) = 0 [pid 4735] <... futex resumed>) = 1 [pid 4732] <... futex resumed>) = 0 [pid 4730] <... futex resumed>) = 0 [pid 4728] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 4736 attached [pid 4735] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4730] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4728] <... exit_group resumed>) = ? [pid 4735] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4732] +++ exited with 0 +++ [pid 4730] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4735] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4730] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4735] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4735] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4728] +++ exited with 0 +++ [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4736] set_robust_list(0x7f85c0c359a0, 24 [pid 4735] <... futex resumed>) = 1 [pid 4730] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4737 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4736] <... set_robust_list resumed>) = 0 [pid 4735] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4730] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4735] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4730] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4737 attached [pid 4736] rt_sigprocmask(SIG_SETMASK, [] [pid 4735] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4730] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4728, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4735] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4735] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4730] <... futex resumed>) = 0 [pid 4735] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4730] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4735] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4730] <... futex resumed>) = 0 [pid 4735] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4730] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4737] set_robust_list(0x5555810c5760, 24 [pid 4736] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4735] <... mkdirat resumed>) = 0 [pid 4735] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4730] <... futex resumed>) = 0 [pid 4735] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4730] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4735] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4730] <... futex resumed>) = 0 [pid 4735] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4730] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4737] <... set_robust_list resumed>) = 0 [pid 4736] mkdirat(AT_FDCWD, "./config", 0777 [pid 4735] <... symlinkat resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4738 [pid 4735] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4730] <... futex resumed>) = 0 [pid 4735] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4730] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4735] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4730] <... futex resumed>) = 0 [pid 4735] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4730] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4735] <... unlinkat resumed>) = 0 [pid 4735] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4730] <... futex resumed>) = 0 [pid 4735] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4730] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4735] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4730] <... futex resumed>) = 0 [pid 4735] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4730] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4736] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4737] rt_sigprocmask(SIG_SETMASK, [] [pid 4735] <... unlinkat resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4736] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4735] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4736] <... futex resumed>) = 1 [pid 4735] <... futex resumed>) = 1 [pid 4734] <... futex resumed>) = 0 [pid 4730] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4736] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4735] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4734] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4730] exit_group(0 [pid 4736] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4735] <... futex resumed>) = ? [pid 4734] <... futex resumed>) = 0 [pid 4730] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 4738 attached [pid 4737] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4736] mount(NULL, "./config", "configfs", 0, NULL [pid 4735] +++ exited with 0 +++ [pid 4734] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4738] set_robust_list(0x5555810c5760, 24 [pid 4737] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4730] +++ exited with 0 +++ [pid 4736] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4736] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4730, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4736] <... futex resumed>) = 1 [pid 4734] <... futex resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4736] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4734] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4736] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4734] <... futex resumed>) = 0 [pid 4738] <... set_robust_list resumed>) = 0 [pid 4736] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4734] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4736] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4738] rt_sigprocmask(SIG_SETMASK, [] [pid 4736] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4737] <... prctl resumed>) = 0 [pid 4736] <... futex resumed>) = 1 [pid 4734] <... futex resumed>) = 0 [pid 4736] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4734] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4736] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4734] <... futex resumed>) = 0 [pid 4736] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4734] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4736] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4738] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4736] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4738] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4736] <... futex resumed>) = 1 [pid 4734] <... futex resumed>) = 0 [pid 4737] setpgid(0, 0 [pid 4736] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4734] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4737] <... setpgid resumed>) = 0 [pid 4736] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4734] <... futex resumed>) = 0 [pid 4736] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4734] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4738] <... prctl resumed>) = 0 [pid 4738] setpgid(0, 0) = 0 [pid 4736] <... mkdirat resumed>) = 0 [pid 4738] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4737] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4736] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4738] <... openat resumed>) = 3 [pid 4737] <... openat resumed>) = 3 [pid 4736] <... futex resumed>) = 1 [pid 4734] <... futex resumed>) = 0 [pid 4737] write(3, "1000", 4 [pid 4736] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4734] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4737] <... write resumed>) = 4 [pid 4736] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4734] <... futex resumed>) = 0 [pid 4737] close(3 [pid 4736] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4734] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4738] write(3, "1000", 4 [pid 4737] <... close resumed>) = 0 [pid 4736] <... symlinkat resumed>) = 0 [pid 4738] <... write resumed>) = 4 [pid 4737] write(1, "executing program\n", 18 [pid 4736] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4738] close(3 [pid 4736] <... futex resumed>) = 1 [pid 4734] <... futex resumed>) = 0 executing program [pid 4737] <... write resumed>) = 18 [pid 4736] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4734] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4738] <... close resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 4738] write(1, "executing program\n", 18 [pid 4737] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4736] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4734] <... futex resumed>) = 0 [pid 4738] <... write resumed>) = 18 [pid 4737] <... futex resumed>) = 0 [pid 4736] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4734] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} executing program [pid 4738] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4737] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4736] <... unlinkat resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4738] <... futex resumed>) = 0 [pid 4737] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4736] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 4738] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4737] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4736] <... futex resumed>) = 1 [pid 4734] <... futex resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4738] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4737] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4736] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4734] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4738] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4737] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4736] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4734] <... futex resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4739 [pid 4738] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4737] <... mmap resumed>) = 0x7f85c0c15000 [pid 4736] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4734] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4738] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4737] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4736] <... unlinkat resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4738] <... mmap resumed>) = 0x7f85c0c15000 [pid 4737] <... mprotect resumed>) = 0 [pid 4736] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4738] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4737] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4736] <... futex resumed>) = 1 [pid 4734] <... futex resumed>) = 0 [pid 4738] <... mprotect resumed>) = 0 [pid 4738] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4734] exit_group(0 [pid 4736] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4738] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4737] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4734] <... exit_group resumed>) = ? [pid 4736] <... futex resumed>) = -1 ENOSYS (Function not implemented) [pid 4737] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4740 [pid 4738] <... clone3 resumed> => {parent_tid=[4741]}, 88) = 4741 [pid 4738] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4738] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4738] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4740 attached [pid 4736] +++ exited with 0 +++ [pid 4734] +++ exited with 0 +++ [pid 4740] set_robust_list(0x5555810c5760, 24 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4734, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4737] <... clone3 resumed> => {parent_tid=[4742]}, 88) = 4742 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4737] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4740] <... set_robust_list resumed>) = 0 [pid 4737] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4742 attached ci2-android-5-15/strace-static-x86_64: Process 4739 attached [pid 4740] rt_sigprocmask(SIG_SETMASK, [] [pid 4737] <... futex resumed>) = 0 [pid 4740] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4740] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4737] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4739] set_robust_list(0x5555810c5760, 24 [pid 4740] <... prctl resumed>) = 0 [pid 4740] setpgid(0, 0) = 0 [pid 4742] set_robust_list(0x7f85c0c359a0, 24 [pid 4740] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4739] <... set_robust_list resumed>) = 0 [pid 4740] <... openat resumed>) = 3 [pid 4740] write(3, "1000", 4) = 4 [pid 4740] close(3) = 0 [pid 4740] write(1, "executing program\n", 18) = 18 executing program [pid 4740] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4739] rt_sigprocmask(SIG_SETMASK, [] [pid 4740] <... futex resumed>) = 0 [pid 4740] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4742] <... set_robust_list resumed>) = 0 [pid 4739] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4741 attached [pid 4741] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4741] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4741] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4741] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4738] <... futex resumed>) = 0 [pid 4738] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4738] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4741] <... futex resumed>) = 1 [pid 4741] mount(NULL, "./config", "configfs", 0, NULL [pid 4742] rt_sigprocmask(SIG_SETMASK, [] [pid 4741] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4740] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4739] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4741] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4738] <... futex resumed>) = 0 [pid 4738] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4738] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4741] <... futex resumed>) = 1 [pid 4741] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4739] <... prctl resumed>) = 0 [pid 4741] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4741] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4738] <... futex resumed>) = 0 [pid 4742] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4740] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4739] setpgid(0, 0 [pid 4738] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4738] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4741] <... futex resumed>) = 1 [pid 4741] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4739] <... setpgid resumed>) = 0 [pid 4741] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4738] <... futex resumed>) = 0 [pid 4738] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4741] <... futex resumed>) = 1 [pid 4738] <... futex resumed>) = 0 [pid 4741] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4738] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4742] mkdirat(AT_FDCWD, "./config", 0777 [pid 4741] <... mkdirat resumed>) = 0 [pid 4740] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4739] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4741] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4738] <... futex resumed>) = 0 [pid 4741] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4738] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4741] <... symlinkat resumed>) = 0 [pid 4739] <... openat resumed>) = 3 [pid 4738] <... futex resumed>) = 0 [pid 4741] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4740] <... mmap resumed>) = 0x7f85c0c15000 [pid 4738] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4741] <... futex resumed>) = 0 [pid 4738] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4741] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4738] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4742] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4741] <... unlinkat resumed>) = 0 [pid 4740] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4739] write(3, "1000", 4 [pid 4738] <... futex resumed>) = 0 [pid 4741] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4739] <... write resumed>) = 4 [pid 4738] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4741] <... futex resumed>) = 0 [pid 4739] close(3 [pid 4738] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4741] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4739] <... close resumed>) = 0 [pid 4738] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... restart_syscall resumed>) = 0 [pid 4742] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4741] <... unlinkat resumed>) = 0 [pid 4740] <... mprotect resumed>) = 0 [pid 4739] write(1, "executing program\n", 18 [pid 4738] <... futex resumed>) = 0 [pid 4741] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4739] <... write resumed>) = 18 executing program [pid 4738] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4741] <... futex resumed>) = 0 [pid 4739] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4738] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4741] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4740] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4739] <... futex resumed>) = 0 [pid 4738] exit_group(0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4742] <... futex resumed>) = 1 [pid 4741] <... futex resumed>) = ? [pid 4740] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4739] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4738] <... exit_group resumed>) = ? [pid 4737] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4742] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4741] +++ exited with 0 +++ [pid 4740] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4739] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4738] +++ exited with 0 +++ [pid 4737] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4742] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4739] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4737] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4743 attached [pid 4743] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4738, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4737] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4744 [pid 4742] mount(NULL, "./config", "configfs", 0, NULL [pid 4740] <... clone3 resumed> => {parent_tid=[4743]}, 88) = 4743 [pid 4739] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4739] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4739] <... mmap resumed>) = 0x7f85c0c15000 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4740] rt_sigprocmask(SIG_SETMASK, [] [pid 4739] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4740] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4742] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4740] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4739] <... mprotect resumed>) = 0 [pid 4743] rt_sigprocmask(SIG_SETMASK, [] [pid 4740] <... futex resumed>) = 0 [pid 4739] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4742] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4739] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4742] <... futex resumed>) = 1 [pid 4740] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4739] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4737] <... futex resumed>) = 0 [pid 4743] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4737] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4742] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4739] <... clone3 resumed> => {parent_tid=[4745]}, 88) = 4745 [pid 4737] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4739] rt_sigprocmask(SIG_SETMASK, [] [pid 4742] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4739] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4739] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4742] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4739] <... futex resumed>) = 0 [pid 4742] <... futex resumed>) = 1 [pid 4739] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4737] <... futex resumed>) = 0 [pid 4742] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4737] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4742] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4737] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4743] mkdirat(AT_FDCWD, "./config", 0777 [pid 4742] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4742] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4743] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4743] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4737] <... futex resumed>) = 0 [pid 4742] <... futex resumed>) = 1 [pid 4737] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4740] <... futex resumed>) = 0 [pid 4742] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4737] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4743] <... futex resumed>) = 1 [pid 4740] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4743] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 4742] <... mkdirat resumed>) = 0 [pid 4740] <... futex resumed>) = 0 [pid 4743] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4742] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4740] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... restart_syscall resumed>) = 0 [pid 4740] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4737] <... futex resumed>) = 0 [pid 4742] <... futex resumed>) = 1 [pid 4737] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4743] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4737] <... futex resumed>) = 0 [pid 4742] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4740] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4737] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4740] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4743] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4740] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4743] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4742] <... symlinkat resumed>) = 0 [pid 4743] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4743] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4743] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 4744 attached [pid 4744] set_robust_list(0x5555810c5760, 24 [pid 4740] <... futex resumed>) = 0 [pid 4742] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4744] <... set_robust_list resumed>) = 0 [pid 4740] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4746 [pid 4742] <... futex resumed>) = 1 [pid 4740] <... futex resumed>) = 1 [pid 4737] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4742] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4740] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4737] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4742] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4737] <... futex resumed>) = 0 [pid 4742] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4737] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4743] <... futex resumed>) = 0 [pid 4742] <... unlinkat resumed>) = 0 [pid 4743] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4742] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4743] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4742] <... futex resumed>) = 1 [pid 4737] <... futex resumed>) = 0 [pid 4743] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4737] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4742] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4737] <... futex resumed>) = 0 [pid 4742] <... unlinkat resumed>) = 0 [pid 4737] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4742] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4743] <... futex resumed>) = 1 [pid 4742] <... futex resumed>) = 0 [pid 4740] <... futex resumed>) = 0 [pid 4737] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4742] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4740] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4737] exit_group(0 [pid 4740] <... futex resumed>) = 0 [pid 4737] <... exit_group resumed>) = ? [pid 4740] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4742] <... futex resumed>) = ? [pid 4743] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4743] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4743] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4744] rt_sigprocmask(SIG_SETMASK, [] [pid 4742] +++ exited with 0 +++ [pid 4737] +++ exited with 0 +++ [pid 4740] <... futex resumed>) = 0 [pid 4740] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4737, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4743] <... futex resumed>) = 0 [pid 4740] <... futex resumed>) = 1 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4743] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4740] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4746 attached [pid 4743] <... symlinkat resumed>) = 0 [pid 4743] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4744] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4743] <... futex resumed>) = 1 [pid 4740] <... futex resumed>) = 0 [pid 4744] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4743] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4740] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4744] <... prctl resumed>) = 0 [pid 4743] <... unlinkat resumed>) = 0 [pid 4740] <... futex resumed>) = 0 [pid 4746] set_robust_list(0x5555810c5760, 24 [pid 4740] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4744] setpgid(0, 0 [pid 4743] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4744] <... setpgid resumed>) = 0 [pid 4743] <... futex resumed>) = 1 [pid 4740] <... futex resumed>) = 0 [pid 4744] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4743] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4740] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4746] <... set_robust_list resumed>) = 0 [pid 4744] <... openat resumed>) = 3 [pid 4740] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4745 attached [pid 4746] rt_sigprocmask(SIG_SETMASK, [] [pid 4744] write(3, "1000", 4 [pid 4743] <... unlinkat resumed>) = 0 [pid 4740] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4746] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4745] set_robust_list(0x7f85c0c359a0, 24 [pid 4744] <... write resumed>) = 4 [pid 4743] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4746] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4745] <... set_robust_list resumed>) = 0 [pid 4744] close(3 [pid 4743] <... futex resumed>) = 1 [pid 4740] <... futex resumed>) = 0 [pid 4746] <... prctl resumed>) = 0 [pid 4745] rt_sigprocmask(SIG_SETMASK, [] [pid 4744] <... close resumed>) = 0 [pid 4743] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4740] exit_group(0 [pid 4745] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 4740] <... exit_group resumed>) = ? [pid 4746] setpgid(0, 0 [pid 4745] mkdirat(AT_FDCWD, "./config", 0777 [pid 4744] write(1, "executing program\n", 18 [pid 4743] <... futex resumed>) = ? executing program [pid 4746] <... setpgid resumed>) = 0 [pid 4745] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4744] <... write resumed>) = 18 [pid 4743] +++ exited with 0 +++ [pid 4740] +++ exited with 0 +++ [pid 4745] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4740, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4745] <... futex resumed>) = 1 [pid 4744] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4739] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4746] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4744] <... futex resumed>) = 0 [pid 4739] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4744] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4739] <... futex resumed>) = 0 [pid 4745] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 4745] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4739] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4746] <... openat resumed>) = 3 [pid 4744] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4739] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4747 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4746] write(3, "1000", 4 [pid 4744] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4739] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4746] <... write resumed>) = 4 [pid 4744] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4739] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4739] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4745] <... futex resumed>) = 0 [pid 4745] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4745] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4739] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4746] close(3 [pid 4744] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4739] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4748 [pid 4739] <... futex resumed>) = 0 [pid 4745] <... futex resumed>) = 0 [pid 4745] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4744] <... mmap resumed>) = 0x7f85c0c15000 [pid 4739] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4746] <... close resumed>) = 0 [pid 4745] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4744] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4746] write(1, "executing program\n", 18 [pid 4745] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4744] <... mprotect resumed>) = 0 [pid 4746] <... write resumed>) = 18 [pid 4745] <... futex resumed>) = 1 [pid 4739] <... futex resumed>) = 0 [pid 4746] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 4745] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4744] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4739] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4746] <... futex resumed>) = 0 [pid 4745] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4744] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4739] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4747 attached [pid 4746] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4745] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4744] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4747] set_robust_list(0x5555810c5760, 24 [pid 4746] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4745] <... mkdirat resumed>) = 0 [pid 4739] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4747] <... set_robust_list resumed>) = 0 [pid 4745] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4747] rt_sigprocmask(SIG_SETMASK, [] [pid 4745] <... futex resumed>) = 0 [pid 4739] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4747] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4746] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4745] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4747] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4746] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4745] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4744] <... clone3 resumed> => {parent_tid=[4749]}, 88) = 4749 [pid 4739] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4749 attached [pid 4747] <... prctl resumed>) = 0 [pid 4746] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4745] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4744] rt_sigprocmask(SIG_SETMASK, [] [pid 4739] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4748 attached [pid 4749] set_robust_list(0x7f85c0c359a0, 24 [pid 4747] setpgid(0, 0 [pid 4746] <... mmap resumed>) = 0x7f85c0c15000 [pid 4745] <... symlinkat resumed>) = 0 [pid 4744] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4739] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4748] set_robust_list(0x5555810c5760, 24 [pid 4747] <... setpgid resumed>) = 0 [pid 4746] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4745] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4744] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4739] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4748] <... set_robust_list resumed>) = 0 [pid 4747] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4746] <... mprotect resumed>) = 0 [pid 4745] <... futex resumed>) = 0 [pid 4744] <... futex resumed>) = 0 [pid 4739] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4749] <... set_robust_list resumed>) = 0 [pid 4748] rt_sigprocmask(SIG_SETMASK, [] [pid 4747] <... openat resumed>) = 3 [pid 4746] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4745] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4744] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4739] <... futex resumed>) = 0 [pid 4749] rt_sigprocmask(SIG_SETMASK, [] [pid 4748] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4747] write(3, "1000", 4 [pid 4746] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4745] <... unlinkat resumed>) = 0 [pid 4739] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4749] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4748] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4747] <... write resumed>) = 4 [pid 4746] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4745] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4739] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4748] <... prctl resumed>) = 0 [pid 4747] close(3 [pid 4745] <... futex resumed>) = 0 [pid 4748] setpgid(0, 0 [pid 4747] <... close resumed>) = 0 [pid 4745] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4739] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4748] <... setpgid resumed>) = 0 executing program [pid 4747] write(1, "executing program\n", 18 [pid 4746] <... clone3 resumed> => {parent_tid=[4750]}, 88) = 4750 [pid 4745] <... unlinkat resumed>) = 0 [pid 4739] <... futex resumed>) = 0 [pid 4748] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4747] <... write resumed>) = 18 [pid 4746] rt_sigprocmask(SIG_SETMASK, [] [pid 4745] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4739] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4750 attached [pid 4749] mkdirat(AT_FDCWD, "./config", 0777 [pid 4748] <... openat resumed>) = 3 [pid 4747] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4746] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4745] <... futex resumed>) = 0 [pid 4739] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4748] write(3, "1000", 4 [pid 4747] <... futex resumed>) = 0 [pid 4746] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4745] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4749] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4748] <... write resumed>) = 4 [pid 4747] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4746] <... futex resumed>) = 0 [pid 4739] exit_group(0 [pid 4748] close(3 [pid 4747] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4746] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4749] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4748] <... close resumed>) = 0 [pid 4747] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4745] <... futex resumed>) = ? [pid 4739] <... exit_group resumed>) = ? [pid 4749] <... futex resumed>) = 1 [pid 4748] write(1, "executing program\n", 18 [pid 4747] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4745] +++ exited with 0 +++ [pid 4744] <... futex resumed>) = 0 [pid 4748] <... write resumed>) = 18 [pid 4747] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4748] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4747] <... mmap resumed>) = 0x7f85c0c15000 [pid 4748] <... futex resumed>) = 0 [pid 4747] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4748] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4747] <... mprotect resumed>) = 0 [pid 4739] +++ exited with 0 +++ [pid 4749] mount(NULL, "./config", "configfs", 0, NULL [pid 4748] <... rt_sigaction resumed>, NULL, 8) = 0 executing program [pid 4747] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4744] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4739, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4750] set_robust_list(0x7f85c0c359a0, 24 [pid 4749] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4748] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4747] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4744] <... futex resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4749] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4748] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4747] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4744] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... restart_syscall resumed>) = 0 [pid 4749] <... futex resumed>) = 0 [pid 4748] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4744] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4750] <... set_robust_list resumed>) = 0 [pid 4749] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4748] <... mmap resumed>) = 0x7f85c0c15000 [pid 4747] <... clone3 resumed> => {parent_tid=[4751]}, 88) = 4751 [pid 4744] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4749] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4748] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4747] rt_sigprocmask(SIG_SETMASK, [] [pid 4744] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4749] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4748] <... mprotect resumed>) = 0 [pid 4747] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4744] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4750] rt_sigprocmask(SIG_SETMASK, [] [pid 4749] <... futex resumed>) = 0 [pid 4748] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4747] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4744] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4750] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4749] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4748] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4747] <... futex resumed>) = 0 [pid 4744] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4750] mkdirat(AT_FDCWD, "./config", 0777 [pid 4749] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4748] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4747] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4744] <... futex resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4752 ci2-android-5-15/strace-static-x86_64: Process 4753 attached ci2-android-5-15/strace-static-x86_64: Process 4752 attached [pid 4750] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4749] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4748] <... clone3 resumed> => {parent_tid=[4753]}, 88) = 4753 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4748] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4753] set_robust_list(0x7f85c0c359a0, 24 [pid 4752] set_robust_list(0x5555810c5760, 24 [pid 4750] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4749] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4748] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4744] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4748] <... futex resumed>) = 0 [pid 4748] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4751 attached [pid 4750] <... futex resumed>) = 1 [pid 4749] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4746] <... futex resumed>) = 0 [pid 4751] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4751] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4751] mkdirat(AT_FDCWD, "./config", 0777 [pid 4753] <... set_robust_list resumed>) = 0 [pid 4752] <... set_robust_list resumed>) = 0 [pid 4750] mount(NULL, "./config", "configfs", 0, NULL [pid 4749] <... futex resumed>) = 1 [pid 4746] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4744] <... futex resumed>) = 0 [pid 4746] <... futex resumed>) = 0 [pid 4744] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4751] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4750] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4749] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4746] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4744] <... futex resumed>) = 0 [pid 4751] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4747] <... futex resumed>) = 0 [pid 4749] <... mkdirat resumed>) = 0 [pid 4747] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4744] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4750] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4749] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4747] <... futex resumed>) = 0 [pid 4744] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4750] <... futex resumed>) = 1 [pid 4749] <... futex resumed>) = 0 [pid 4747] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4746] <... futex resumed>) = 0 [pid 4744] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4750] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4749] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4746] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4744] <... futex resumed>) = 0 [pid 4750] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4751] <... futex resumed>) = 1 [pid 4750] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4749] <... symlinkat resumed>) = 0 [pid 4746] <... futex resumed>) = 0 [pid 4744] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4750] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4749] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4746] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4744] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4750] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4749] <... futex resumed>) = 0 [pid 4750] <... futex resumed>) = 0 [pid 4749] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4746] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4744] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4750] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4749] <... unlinkat resumed>) = 0 [pid 4746] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4744] <... futex resumed>) = 0 [pid 4750] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4749] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4750] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4746] <... futex resumed>) = 0 [pid 4744] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4750] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4749] <... futex resumed>) = 0 [pid 4746] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4744] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4752] rt_sigprocmask(SIG_SETMASK, [] [pid 4750] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4749] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4746] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4744] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4752] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4750] <... futex resumed>) = 0 [pid 4749] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4746] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4744] <... futex resumed>) = 0 [pid 4750] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4749] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4746] <... futex resumed>) = 0 [pid 4744] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4752] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4750] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4751] mount(NULL, "./config", "configfs", 0, NULL [pid 4749] <... unlinkat resumed>) = 0 [pid 4746] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4752] <... prctl resumed>) = 0 [pid 4750] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4749] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4746] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4752] setpgid(0, 0 [pid 4750] <... futex resumed>) = 0 [pid 4749] <... futex resumed>) = 1 [pid 4746] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4744] <... futex resumed>) = 0 [pid 4752] <... setpgid resumed>) = 0 [pid 4750] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4749] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4746] <... futex resumed>) = 0 [pid 4744] exit_group(0 [pid 4751] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4751] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4747] <... futex resumed>) = 0 [pid 4751] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4747] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4751] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4747] <... futex resumed>) = 0 [pid 4751] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4747] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4751] <... futex resumed>) = 0 [pid 4750] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4749] <... futex resumed>) = ? [pid 4747] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4746] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4744] <... exit_group resumed>) = ? [pid 4752] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4751] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4750] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4749] +++ exited with 0 +++ [pid 4747] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4746] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4751] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4747] <... futex resumed>) = 0 [pid 4751] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4747] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4751] <... futex resumed>) = 0 [pid 4747] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4751] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4747] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4751] <... mkdirat resumed>) = 0 [pid 4750] <... futex resumed>) = 0 [pid 4747] <... futex resumed>) = 0 [pid 4746] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4744] +++ exited with 0 +++ [pid 4752] <... openat resumed>) = 3 [pid 4751] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4750] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4747] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4746] <... futex resumed>) = 0 [pid 4752] write(3, "1000", 4 [pid 4751] <... futex resumed>) = 0 [pid 4750] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4747] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4746] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4744, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4752] <... write resumed>) = 4 [pid 4751] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4750] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4747] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4746] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4752] close(3 [pid 4751] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4750] <... futex resumed>) = 0 [pid 4747] <... futex resumed>) = 0 [pid 4746] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4752] <... close resumed>) = 0 [pid 4751] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4750] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4747] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4746] <... futex resumed>) = 0 [pid 4753] rt_sigprocmask(SIG_SETMASK, [] [pid 4752] write(1, "executing program\n", 18 [pid 4751] <... symlinkat resumed>) = 0 executing program [pid 4750] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 4746] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4752] <... write resumed>) = 18 [pid 4751] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4750] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4746] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4751] <... futex resumed>) = 1 [pid 4750] <... futex resumed>) = 0 [pid 4747] <... futex resumed>) = 0 [pid 4752] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4751] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4750] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4747] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4746] exit_group(0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4752] <... futex resumed>) = 0 [pid 4751] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4747] <... futex resumed>) = 0 [pid 4746] <... exit_group resumed>) = ? [pid 4750] <... futex resumed>) = ? [pid 4751] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4747] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4751] <... unlinkat resumed>) = 0 [pid 4751] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4747] <... futex resumed>) = 0 [pid 4751] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4747] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4751] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4747] <... futex resumed>) = 0 [pid 4751] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4747] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4751] <... unlinkat resumed>) = 0 [pid 4750] +++ exited with 0 +++ [pid 4752] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4746] +++ exited with 0 +++ [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4752] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4751] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4746, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4752] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4751] <... futex resumed>) = 1 [pid 4747] <... futex resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4753] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4752] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4751] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4747] exit_group(0 [pid 4751] <... futex resumed>) = ? [pid 4747] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 4754 attached [pid 4753] mkdirat(AT_FDCWD, "./config", 0777 [pid 4752] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4751] +++ exited with 0 +++ [pid 4747] +++ exited with 0 +++ [pid 4754] set_robust_list(0x5555810c5760, 24 [pid 4752] <... mmap resumed>) = 0x7f85c0c15000 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4747, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4754 [pid 4752] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4752] <... mprotect resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4753] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4752] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4752] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4753] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4752] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4754] <... set_robust_list resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 4754] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4754] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4754] setpgid(0, 0 [pid 4753] <... futex resumed>) = 1 [pid 4752] <... clone3 resumed> => {parent_tid=[4755]}, 88) = 4755 [pid 4748] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4756 [pid 4754] <... setpgid resumed>) = 0 [pid 4753] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4752] rt_sigprocmask(SIG_SETMASK, [] [pid 4748] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4754] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4753] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4752] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4748] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 4756 attached [pid 4754] <... openat resumed>) = 3 [pid 4753] mount(NULL, "./config", "configfs", 0, NULL [pid 4752] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4748] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4754] write(3, "1000", 4 [pid 4753] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4752] <... futex resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4752] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4754] <... write resumed>) = 4 [pid 4754] close(3) = 0 [pid 4754] write(1, "executing program\n", 18) = 18 [pid 4754] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4753] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4757 executing program [pid 4754] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4753] <... futex resumed>) = 1 [pid 4748] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4754] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4748] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4754] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4753] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4748] <... futex resumed>) = 0 [pid 4754] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4748] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4754] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4753] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4754] <... mmap resumed>) = 0x7f85c0c15000 [pid 4754] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITEci2-android-5-15/strace-static-x86_64: Process 4755 attached ) = 0 [pid 4753] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4755] set_robust_list(0x7f85c0c359a0, 24 [pid 4754] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4753] <... futex resumed>) = 1 [pid 4748] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4757 attached [pid 4756] set_robust_list(0x5555810c5760, 24 [pid 4755] <... set_robust_list resumed>) = 0 [pid 4748] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4755] rt_sigprocmask(SIG_SETMASK, [] [pid 4748] <... futex resumed>) = 0 [pid 4755] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4748] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4755] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4755] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4752] <... futex resumed>) = 0 [pid 4755] mount(NULL, "./config", "configfs", 0, NULL [pid 4752] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4757] set_robust_list(0x5555810c5760, 24 [pid 4756] <... set_robust_list resumed>) = 0 [pid 4755] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4754] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4753] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4752] <... futex resumed>) = 0 [pid 4755] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4753] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4752] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4755] <... futex resumed>) = 0 [pid 4753] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4752] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4755] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4753] <... futex resumed>) = 1 [pid 4752] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4748] <... futex resumed>) = 0 [pid 4755] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4753] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4752] <... futex resumed>) = 0 [pid 4748] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4755] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4753] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4752] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4748] <... futex resumed>) = 0 [pid 4757] <... set_robust_list resumed>) = 0 [pid 4756] rt_sigprocmask(SIG_SETMASK, [] [pid 4755] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4754] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4753] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4748] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4755] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4752] <... futex resumed>) = 0 [pid 4755] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4752] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4756] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4755] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4753] <... mkdirat resumed>) = 0 [pid 4752] <... futex resumed>) = 0 [pid 4755] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4753] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4752] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4756] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4755] <... futex resumed>) = 0 [pid 4753] <... futex resumed>) = 1 [pid 4752] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4748] <... futex resumed>) = 0 [pid 4756] <... prctl resumed>) = 0 [pid 4755] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4753] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4752] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4748] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4756] setpgid(0, 0 [pid 4755] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4753] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4752] <... futex resumed>) = 0 [pid 4748] <... futex resumed>) = 0 [pid 4756] <... setpgid resumed>) = 0 [pid 4755] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4753] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4752] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4748] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4755] <... futex resumed>) = 0 [pid 4753] <... symlinkat resumed>) = 0 [pid 4752] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4756] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4755] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4754] <... clone3 resumed> => {parent_tid=[4758]}, 88) = 4758 [pid 4753] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4752] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4755] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4753] <... futex resumed>) = 1 [pid 4752] <... futex resumed>) = 0 [pid 4748] <... futex resumed>) = 0 [pid 4756] <... openat resumed>) = 3 [pid 4755] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4754] rt_sigprocmask(SIG_SETMASK, [] [pid 4753] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4752] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4748] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4756] write(3, "1000", 4 [pid 4755] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4754] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4753] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4748] <... futex resumed>) = 0 [pid 4756] <... write resumed>) = 4 [pid 4755] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4754] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4753] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4748] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4755] <... futex resumed>) = 1 [pid 4752] <... futex resumed>) = 0 [pid 4756] close(3 [pid 4755] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4754] <... futex resumed>) = 0 [pid 4753] <... unlinkat resumed>) = 0 [pid 4752] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4756] <... close resumed>) = 0 [pid 4755] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4754] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4753] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4752] <... futex resumed>) = 0 [pid 4757] rt_sigprocmask(SIG_SETMASK, [] [pid 4756] write(1, "executing program\n", 18 [pid 4755] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4753] <... futex resumed>) = 1 [pid 4752] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4748] <... futex resumed>) = 0 [pid 4757] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4756] <... write resumed>) = 18 [pid 4755] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4753] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4748] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 4756] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4755] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4753] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4748] <... futex resumed>) = 0 [pid 4757] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4756] <... futex resumed>) = 0 [pid 4755] <... futex resumed>) = 1 [pid 4753] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4752] <... futex resumed>) = 0 [pid 4748] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4757] <... prctl resumed>) = 0 [pid 4756] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4755] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4752] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4757] setpgid(0, 0 [pid 4756] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4755] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4753] <... unlinkat resumed>) = 0 [pid 4752] <... futex resumed>) = 0 [pid 4757] <... setpgid resumed>) = 0 [pid 4756] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4755] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4753] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4752] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4757] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4756] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4755] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4753] <... futex resumed>) = 1 [pid 4748] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4758 attached [pid 4757] <... openat resumed>) = 3 [pid 4756] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4755] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4753] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4748] exit_group(0 [pid 4758] set_robust_list(0x7f85c0c359a0, 24 [pid 4757] write(3, "1000", 4 [pid 4756] <... mmap resumed>) = 0x7f85c0c15000 [pid 4755] <... futex resumed>) = 1 [pid 4753] <... futex resumed>) = ? [pid 4752] <... futex resumed>) = 0 [pid 4748] <... exit_group resumed>) = ? [pid 4758] <... set_robust_list resumed>) = 0 [pid 4757] <... write resumed>) = 4 [pid 4756] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4755] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4753] +++ exited with 0 +++ [pid 4752] exit_group(0 [pid 4748] +++ exited with 0 +++ [pid 4758] rt_sigprocmask(SIG_SETMASK, [] [pid 4757] close(3 [pid 4756] <... mprotect resumed>) = 0 [pid 4755] <... futex resumed>) = ? [pid 4752] <... exit_group resumed>) = ? [pid 4758] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4757] <... close resumed>) = 0 [pid 4756] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4755] +++ exited with 0 +++ [pid 4752] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4748, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4757] write(1, "executing program\n", 18 [pid 4756] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4756] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4752, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4757] <... write resumed>) = 18 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> executing program [pid 4758] mkdirat(AT_FDCWD, "./config", 0777 [pid 4757] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4756] <... clone3 resumed> => {parent_tid=[4759]}, 88) = 4759 [pid 4757] <... futex resumed>) = 0 [pid 4758] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4757] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4756] rt_sigprocmask(SIG_SETMASK, [] [pid 4757] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4756] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4757] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4756] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4757] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4756] <... futex resumed>) = 0 [pid 4757] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4756] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4757] <... mmap resumed>) = 0x7f85c0c15000 [pid 4758] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4757] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4758] <... futex resumed>) = 1 [pid 4757] <... mprotect resumed>) = 0 [pid 4754] <... futex resumed>) = 0 [pid 4758] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4757] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4754] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4757] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4754] <... futex resumed>) = 0 [pid 4757] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4754] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4758] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4758] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 4758] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4757] <... clone3 resumed> => {parent_tid=[4760]}, 88) = 4760 ci2-android-5-15/strace-static-x86_64: Process 4760 attached [pid 4758] <... futex resumed>) = 1 [pid 4757] rt_sigprocmask(SIG_SETMASK, [] [pid 4754] <... futex resumed>) = 0 [pid 4758] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4757] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4754] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4758] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4757] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4754] <... futex resumed>) = 0 [pid 4760] set_robust_list(0x7f85c0c359a0, 24 [pid 4758] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4757] <... futex resumed>) = 0 [pid 4754] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4758] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4757] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4758] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4754] <... futex resumed>) = 0 [pid 4758] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4754] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4758] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4754] <... futex resumed>) = 0 [pid 4758] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4754] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4758] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4758] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4754] <... futex resumed>) = 0 [pid 4758] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4754] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4758] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4760] <... set_robust_list resumed>) = 0 [pid 4754] <... futex resumed>) = 0 [pid 4758] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4754] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4760] rt_sigprocmask(SIG_SETMASK, [] [pid 4758] <... mkdirat resumed>) = 0 [pid 4758] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4754] <... futex resumed>) = 0 [pid 4760] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4758] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4754] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4758] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4754] <... futex resumed>) = 0 [pid 4758] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4754] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4760] mkdirat(AT_FDCWD, "./config", 0777 [pid 4758] <... symlinkat resumed>) = 0 [pid 4758] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4754] <... futex resumed>) = 0 [pid 4758] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4754] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4758] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4754] <... futex resumed>) = 0 [pid 4758] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4754] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... restart_syscall resumed>) = 0 [pid 4760] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4758] <... unlinkat resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 4758] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4754] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4759 attached [pid 4760] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4758] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4754] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4760] <... futex resumed>) = 1 [pid 4759] set_robust_list(0x7f85c0c359a0, 24 [pid 4758] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4757] <... futex resumed>) = 0 [pid 4754] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4760] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4759] <... set_robust_list resumed>) = 0 [pid 4758] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4757] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4754] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4760] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4759] rt_sigprocmask(SIG_SETMASK, [] [pid 4758] <... unlinkat resumed>) = 0 [pid 4757] <... futex resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4760] mount(NULL, "./config", "configfs", 0, NULL [pid 4759] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4758] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4757] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4759] mkdirat(AT_FDCWD, "./config", 0777 [pid 4758] <... futex resumed>) = 1 [pid 4754] <... futex resumed>) = 0 [pid 4759] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4758] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4754] exit_group(0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4760] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4759] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4758] <... futex resumed>) = ? [pid 4754] <... exit_group resumed>) = ? [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4761 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4760] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4759] <... futex resumed>) = 1 [pid 4758] +++ exited with 0 +++ [pid 4756] <... futex resumed>) = 0 [pid 4754] +++ exited with 0 +++ [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4759] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 4761 attached [pid 4761] set_robust_list(0x5555810c5760, 24) = 0 [pid 4761] rt_sigprocmask(SIG_SETMASK, [] [pid 4760] <... futex resumed>) = 1 [pid 4757] <... futex resumed>) = 0 [pid 4756] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4760] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4757] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4756] <... futex resumed>) = 1 [pid 4757] <... futex resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4754, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4756] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4762 [pid 4760] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4757] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4760] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4757] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4760] <... futex resumed>) = 0 [pid 4757] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4760] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4757] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4757] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4760] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4759] <... futex resumed>) = 0 [pid 4759] mount(NULL, "./config", "configfs", 0, NULL [pid 4760] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4759] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4759] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4761] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4759] <... futex resumed>) = 1 [pid 4757] <... futex resumed>) = 0 [pid 4756] <... futex resumed>) = 0 [pid 4760] <... futex resumed>) = 1 [pid 4761] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4760] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4759] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4757] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4756] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4761] <... prctl resumed>) = 0 [pid 4759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4757] <... futex resumed>) = 0 [pid 4756] <... futex resumed>) = 0 [pid 4761] setpgid(0, 0 [pid 4760] <... mkdirat resumed>) = 0 [pid 4759] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4757] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4756] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4761] <... setpgid resumed>) = 0 [pid 4760] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4759] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4757] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4761] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4760] <... futex resumed>) = 0 [pid 4759] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4757] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4761] <... openat resumed>) = 3 [pid 4760] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4759] <... futex resumed>) = 1 [pid 4757] <... futex resumed>) = 0 [pid 4756] <... futex resumed>) = 0 [pid 4761] write(3, "1000", 4 [pid 4759] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4757] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4756] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4761] <... write resumed>) = 4 [pid 4760] <... symlinkat resumed>) = 0 [pid 4759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4756] <... futex resumed>) = 0 [pid 4761] close(3 [pid 4760] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4759] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4756] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4761] <... close resumed>) = 0 [pid 4760] <... futex resumed>) = 1 [pid 4759] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4757] <... futex resumed>) = 0 [pid 4761] write(1, "executing program\n", 18 [pid 4760] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4759] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 4757] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4761] <... write resumed>) = 18 [pid 4760] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4759] <... futex resumed>) = 1 [pid 4757] <... futex resumed>) = 0 [pid 4756] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4762 attached [pid 4761] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4760] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4759] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4757] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4756] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4762] set_robust_list(0x5555810c5760, 24 [pid 4761] <... futex resumed>) = 0 [pid 4760] <... unlinkat resumed>) = 0 [pid 4759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4756] <... futex resumed>) = 0 [pid 4762] <... set_robust_list resumed>) = 0 [pid 4761] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4760] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4759] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4756] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4762] rt_sigprocmask(SIG_SETMASK, [] [pid 4761] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4760] <... futex resumed>) = 1 [pid 4759] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4757] <... futex resumed>) = 0 [pid 4762] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4761] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4760] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4759] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4757] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4762] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4761] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4760] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4759] <... futex resumed>) = 1 [pid 4757] <... futex resumed>) = 0 [pid 4756] <... futex resumed>) = 0 [pid 4762] <... prctl resumed>) = 0 [pid 4761] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4760] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4759] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4757] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4756] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4762] setpgid(0, 0 [pid 4761] <... mmap resumed>) = 0x7f85c0c15000 [pid 4759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4762] <... setpgid resumed>) = 0 [pid 4761] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4760] <... unlinkat resumed>) = 0 [pid 4759] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4756] <... futex resumed>) = 0 [pid 4762] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4761] <... mprotect resumed>) = 0 [pid 4760] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4759] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4756] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4762] <... openat resumed>) = 3 [pid 4761] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4760] <... futex resumed>) = 1 [pid 4759] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4757] <... futex resumed>) = 0 [pid 4756] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4762] write(3, "1000", 4 [pid 4761] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4760] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4759] <... futex resumed>) = 0 [pid 4757] exit_group(0 [pid 4756] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4762] <... write resumed>) = 4 [pid 4761] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4759] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4757] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 4763 attached [pid 4762] close(3 [pid 4760] <... futex resumed>) = ? [pid 4759] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4756] <... futex resumed>) = 0 [pid 4762] <... close resumed>) = 0 [pid 4761] <... clone3 resumed> => {parent_tid=[4763]}, 88) = 4763 [pid 4759] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4761] rt_sigprocmask(SIG_SETMASK, [] [pid 4759] <... futex resumed>) = 0 [pid 4761] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4759] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4761] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4761] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4763] set_robust_list(0x7f85c0c359a0, 24 [pid 4762] write(1, "executing program\n", 18 [pid 4760] +++ exited with 0 +++ [pid 4757] +++ exited with 0 +++ [pid 4756] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... restart_syscall resumed>) = 0 [pid 4762] <... write resumed>) = 18 [pid 4756] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4762] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4757, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4762] <... futex resumed>) = 0 [pid 4756] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4762] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4762] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4759] <... futex resumed>) = 0 [pid 4756] <... futex resumed>) = 1 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4762] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4759] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4756] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4763] <... set_robust_list resumed>) = 0 [pid 4762] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4759] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4759] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4759] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4756] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4764 attached [pid 4763] rt_sigprocmask(SIG_SETMASK, [] [pid 4762] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4756] exit_group(0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4764 [pid 4762] <... mmap resumed>) = 0x7f85c0c15000 [pid 4759] <... futex resumed>) = ? [pid 4756] <... exit_group resumed>) = ? [pid 305] <... restart_syscall resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4762] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4759] +++ exited with 0 +++ [pid 4764] set_robust_list(0x5555810c5760, 24) = 0 [pid 4764] rt_sigprocmask(SIG_SETMASK, [] [pid 4756] +++ exited with 0 +++ [pid 4764] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4764] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4762] <... mprotect resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4756, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4764] <... prctl resumed>) = 0 [pid 4762] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4762] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4764] setpgid(0, 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4762] <... clone3 resumed> => {parent_tid=[4765]}, 88) = 4765 [pid 4764] <... setpgid resumed>) = 0 [pid 4764] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4762] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4766 [pid 4762] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4764] write(3, "1000", 4 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4762] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4762] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4764] <... write resumed>) = 4 [pid 4764] close(3) = 0 [pid 4764] write(1, "executing program\n", 18 [pid 4763] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4764] <... write resumed>) = 18 executing program [pid 4764] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4764] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4764] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4764] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4764] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4763] mkdirat(AT_FDCWD, "./config", 0777 [pid 4764] <... mprotect resumed>) = 0 [pid 4764] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4763] <... mkdirat resumed>) = -1 EEXIST (File exists) ci2-android-5-15/strace-static-x86_64: Process 4766 attached ci2-android-5-15/strace-static-x86_64: Process 4765 attached [pid 4765] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4765] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4765] mkdirat(AT_FDCWD, "./config", 0777 [pid 4763] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4764] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4766] set_robust_list(0x5555810c5760, 24 [pid 4765] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4765] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4762] <... futex resumed>) = 0 [pid 4762] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4762] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4765] <... futex resumed>) = 1 [pid 4765] mount(NULL, "./config", "configfs", 0, NULL [pid 4766] <... set_robust_list resumed>) = 0 [pid 4764] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4763] <... futex resumed>) = 1 [pid 4761] <... futex resumed>) = 0 [pid 4763] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4761] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4765] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4763] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4761] <... futex resumed>) = 0 [pid 4763] mount(NULL, "./config", "configfs", 0, NULL [pid 4761] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4763] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4765] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4763] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4765] <... futex resumed>) = 1 [pid 4763] <... futex resumed>) = 1 [pid 4762] <... futex resumed>) = 0 [pid 4761] <... futex resumed>) = 0 [pid 4765] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4763] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4762] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4761] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4765] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4763] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4762] <... futex resumed>) = 0 [pid 4761] <... futex resumed>) = 0 [pid 4765] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4763] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4762] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4761] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4765] <... futex resumed>) = 0 [pid 4763] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4762] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4765] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4763] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4762] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4765] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4763] <... futex resumed>) = 1 [pid 4762] <... futex resumed>) = 0 [pid 4761] <... futex resumed>) = 0 [pid 4765] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4763] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4762] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4761] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4765] <... futex resumed>) = 0 [pid 4763] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4762] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4761] <... futex resumed>) = 0 [pid 4765] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4764] <... clone3 resumed> => {parent_tid=[4767]}, 88) = 4767 [pid 4763] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4762] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4761] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4766] rt_sigprocmask(SIG_SETMASK, [] [pid 4765] <... mkdirat resumed>) = 0 [pid 4764] rt_sigprocmask(SIG_SETMASK, [] [pid 4763] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4762] <... futex resumed>) = 0 [pid 4765] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4764] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4763] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4762] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4765] <... futex resumed>) = 0 [pid 4764] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4763] <... futex resumed>) = 1 [pid 4762] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4761] <... futex resumed>) = 0 [pid 4766] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4765] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4764] <... futex resumed>) = 0 [pid 4763] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4762] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4761] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4766] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4765] <... symlinkat resumed>) = 0 [pid 4764] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4763] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4762] <... futex resumed>) = 0 [pid 4761] <... futex resumed>) = 0 [pid 4766] <... prctl resumed>) = 0 [pid 4765] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4763] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4762] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4766] setpgid(0, 0 [pid 4765] <... futex resumed>) = 0 [pid 4763] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4762] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4761] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4766] <... setpgid resumed>) = 0 [pid 4765] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4763] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4762] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4761] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4766] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4765] <... unlinkat resumed>) = 0 [pid 4763] <... futex resumed>) = 0 [pid 4762] <... futex resumed>) = 0 [pid 4761] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4765] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4763] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4762] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4761] <... futex resumed>) = 0 [pid 4766] <... openat resumed>) = 3 [pid 4765] <... futex resumed>) = 0 [pid 4763] <... symlinkat resumed>) = 0 [pid 4762] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4761] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4766] write(3, "1000", 4 [pid 4765] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4763] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4762] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4761] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ci2-android-5-15/strace-static-x86_64: Process 4767 attached [pid 4766] <... write resumed>) = 4 [pid 4765] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4763] <... futex resumed>) = 0 [pid 4762] <... futex resumed>) = 0 [pid 4761] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4766] close(3 [pid 4765] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4763] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4762] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4761] <... futex resumed>) = 0 [pid 4765] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 4763] <... unlinkat resumed>) = 0 [pid 4761] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4767] set_robust_list(0x7f85c0c359a0, 24 [pid 4766] <... close resumed>) = 0 [pid 4765] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4763] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4761] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4767] <... set_robust_list resumed>) = 0 [pid 4766] write(1, "executing program\n", 18 [pid 4765] <... futex resumed>) = 1 [pid 4763] <... futex resumed>) = 0 [pid 4762] <... futex resumed>) = 0 executing program [pid 4761] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4767] rt_sigprocmask(SIG_SETMASK, [] [pid 4766] <... write resumed>) = 18 [pid 4765] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4763] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4762] exit_group(0 [pid 4761] <... futex resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4767] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4766] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4765] <... futex resumed>) = ? [pid 4763] <... unlinkat resumed>) = 0 [pid 4762] <... exit_group resumed>) = ? [pid 4761] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4767] mkdirat(AT_FDCWD, "./config", 0777 [pid 4766] <... futex resumed>) = 0 [pid 4765] +++ exited with 0 +++ [pid 4763] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4762] +++ exited with 0 +++ [pid 4766] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4763] <... futex resumed>) = 0 [pid 4761] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4768 [pid 4766] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4763] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4761] exit_group(0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4762, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4766] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4763] <... futex resumed>) = ? [pid 4761] <... exit_group resumed>) = ? [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4766] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4763] +++ exited with 0 +++ [pid 4767] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4767] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4767] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 4768 attached [pid 4768] set_robust_list(0x5555810c5760, 24) = 0 [pid 4768] rt_sigprocmask(SIG_SETMASK, [] [pid 4761] +++ exited with 0 +++ [pid 4766] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4764] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4766] <... mmap resumed>) = 0x7f85c0c15000 [pid 4764] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4766] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4761, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4764] <... futex resumed>) = 1 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4766] <... mprotect resumed>) = 0 [pid 4764] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4767] <... futex resumed>) = 0 [pid 4766] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4767] mount(NULL, "./config", "configfs", 0, NULL [pid 4766] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4767] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4767] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4766] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4767] <... futex resumed>) = 1 [pid 4764] <... futex resumed>) = 0 [pid 4767] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4764] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4767] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4766] <... clone3 resumed> => {parent_tid=[4769]}, 88) = 4769 [pid 4764] <... futex resumed>) = 0 [pid 4767] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4766] rt_sigprocmask(SIG_SETMASK, [] [pid 4764] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4769 attached [pid 4768] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4767] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4766] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4768] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4767] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4766] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4768] <... prctl resumed>) = 0 [pid 4767] <... futex resumed>) = 1 [pid 4764] <... futex resumed>) = 0 [pid 4768] setpgid(0, 0 [pid 4767] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4766] <... futex resumed>) = 0 [pid 4764] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4768] <... setpgid resumed>) = 0 [pid 4767] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4766] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4764] <... futex resumed>) = 0 [pid 4769] set_robust_list(0x7f85c0c359a0, 24 [pid 4768] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4767] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4769] <... set_robust_list resumed>) = 0 [pid 4768] <... openat resumed>) = 3 [pid 4767] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4764] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4768] write(3, "1000", 4 [pid 4767] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4768] <... write resumed>) = 4 [pid 4767] <... futex resumed>) = 0 [pid 4764] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4768] close(3 [pid 4767] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4764] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4768] <... close resumed>) = 0 [pid 4767] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4764] <... futex resumed>) = 0 [pid 4768] write(1, "executing program\n", 18 executing program [pid 4767] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4764] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4769] rt_sigprocmask(SIG_SETMASK, [] [pid 4768] <... write resumed>) = 18 [pid 4767] <... mkdirat resumed>) = 0 [pid 4768] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4767] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4768] <... futex resumed>) = 0 [pid 4767] <... futex resumed>) = 1 [pid 4764] <... futex resumed>) = 0 [pid 4768] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4767] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4768] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4767] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4764] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4768] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4767] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4764] <... futex resumed>) = 0 [pid 4769] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4768] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4767] <... symlinkat resumed>) = 0 [pid 4764] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4769] mkdirat(AT_FDCWD, "./config", 0777 [pid 4768] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4767] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4764] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4768] <... mmap resumed>) = 0x7f85c0c15000 [pid 4767] <... futex resumed>) = 0 [pid 4764] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4768] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4767] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4764] <... futex resumed>) = 0 [pid 4768] <... mprotect resumed>) = 0 [pid 4767] <... unlinkat resumed>) = 0 [pid 4764] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4769] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4768] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4767] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4764] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4768] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4767] <... futex resumed>) = 0 [pid 4764] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4768] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4767] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4764] <... futex resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 4769] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4767] <... unlinkat resumed>) = 0 [pid 4764] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4768] <... clone3 resumed> => {parent_tid=[4770]}, 88) = 4770 [pid 4767] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4764] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4769] <... futex resumed>) = 1 [pid 4768] rt_sigprocmask(SIG_SETMASK, [] [pid 4767] <... futex resumed>) = 0 [pid 4766] <... futex resumed>) = 0 [pid 4769] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4768] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4767] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4766] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4764] exit_group(0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4769] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4768] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4767] <... futex resumed>) = ? [pid 4766] <... futex resumed>) = 0 [pid 4764] <... exit_group resumed>) = ? [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4769] mount(NULL, "./config", "configfs", 0, NULL [pid 4768] <... futex resumed>) = 0 [pid 4767] +++ exited with 0 +++ [pid 4766] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4768] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4770 attached [pid 4770] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4770] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4764] +++ exited with 0 +++ [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4770] mkdirat(AT_FDCWD, "./config", 0777 [pid 304] <... restart_syscall resumed>) = 0 [pid 4770] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4770] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4768] <... futex resumed>) = 0 [pid 4768] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4768] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4764, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4771 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4770] <... futex resumed>) = 1 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4769] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4770] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4769] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4772 [pid 4770] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4768] <... futex resumed>) = 0 [pid 4768] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4768] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4770] <... futex resumed>) = 1 [pid 4770] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4773 [pid 4769] <... futex resumed>) = 1 [pid 4766] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4769] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4766] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4769] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4766] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4769] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4766] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4770] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4769] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4768] <... futex resumed>) = 0 [pid 4768] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4768] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4773 attached [pid 4769] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4770] <... futex resumed>) = 1 [pid 4770] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) ci2-android-5-15/strace-static-x86_64: Process 4771 attached [pid 4773] set_robust_list(0x5555810c5760, 24 [pid 4770] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4769] <... futex resumed>) = 1 [pid 4766] <... futex resumed>) = 0 [pid 4769] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4768] <... futex resumed>) = 0 [pid 4766] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4768] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4766] <... futex resumed>) = 0 [pid 4769] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4768] <... futex resumed>) = 0 [pid 4766] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4768] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4769] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4770] <... futex resumed>) = 1 [pid 4769] <... futex resumed>) = 1 [pid 4766] <... futex resumed>) = 0 [pid 4769] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4766] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4769] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4766] <... futex resumed>) = 0 [pid 4769] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4766] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4770] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4769] <... mkdirat resumed>) = 0 [pid 4770] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4769] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4770] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4769] <... futex resumed>) = 1 [pid 4766] <... futex resumed>) = 0 [pid 4769] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4766] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4769] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4766] <... futex resumed>) = 0 [pid 4773] <... set_robust_list resumed>) = 0 [pid 4769] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4766] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4770] <... futex resumed>) = 1 [pid 4769] <... symlinkat resumed>) = 0 [pid 4768] <... futex resumed>) = 0 [pid 4771] set_robust_list(0x5555810c5760, 24 [pid 4770] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4773] rt_sigprocmask(SIG_SETMASK, [] [pid 4769] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4768] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4773] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4771] <... set_robust_list resumed>) = 0 [pid 4770] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4769] <... futex resumed>) = 1 [pid 4768] <... futex resumed>) = 0 [pid 4766] <... futex resumed>) = 0 [pid 4770] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4769] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4768] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4766] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4773] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4771] rt_sigprocmask(SIG_SETMASK, [] [pid 4770] <... futex resumed>) = 0 [pid 4769] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4768] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4766] <... futex resumed>) = 0 [pid 4773] <... prctl resumed>) = 0 [pid 4771] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4770] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4769] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4768] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4766] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4773] setpgid(0, 0 [pid 4771] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4770] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4769] <... unlinkat resumed>) = 0 [pid 4768] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4772 attached [pid 4773] <... setpgid resumed>) = 0 [pid 4771] <... prctl resumed>) = 0 [pid 4770] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4769] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4768] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4773] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4772] set_robust_list(0x5555810c5760, 24 [pid 4771] setpgid(0, 0 [pid 4770] <... futex resumed>) = 0 [pid 4769] <... futex resumed>) = 1 [pid 4768] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4766] <... futex resumed>) = 0 [pid 4772] <... set_robust_list resumed>) = 0 [pid 4771] <... setpgid resumed>) = 0 [pid 4770] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4769] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4768] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4766] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4773] <... openat resumed>) = 3 [pid 4772] rt_sigprocmask(SIG_SETMASK, [] [pid 4771] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4770] <... unlinkat resumed>) = 0 [pid 4769] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4768] <... futex resumed>) = 0 [pid 4772] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4770] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4769] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4768] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4766] <... futex resumed>) = 0 [pid 4773] write(3, "1000", 4 [pid 4772] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4771] <... openat resumed>) = 3 [pid 4770] <... futex resumed>) = 0 [pid 4769] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4768] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4766] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4773] <... write resumed>) = 4 [pid 4772] <... prctl resumed>) = 0 [pid 4771] write(3, "1000", 4 [pid 4770] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4769] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4768] exit_group(0 [pid 4766] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4773] close(3 [pid 4772] setpgid(0, 0 [pid 4771] <... write resumed>) = 4 [pid 4770] <... futex resumed>) = ? [pid 4769] <... futex resumed>) = 0 [pid 4768] <... exit_group resumed>) = ? [pid 4766] exit_group(0 [pid 4773] <... close resumed>) = 0 [pid 4772] <... setpgid resumed>) = 0 [pid 4771] close(3 [pid 4770] +++ exited with 0 +++ [pid 4768] +++ exited with 0 +++ [pid 4766] <... exit_group resumed>) = ? [pid 4773] write(1, "executing program\n", 18 [pid 4771] <... close resumed>) = 0 [pid 4772] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4772] write(3, "1000", 4) = 4 [pid 4772] close(3) = 0 [pid 4769] +++ exited with 0 +++ [pid 4766] +++ exited with 0 +++ [pid 4772] write(1, "executing program\n", 18 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4768, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4773] <... write resumed>) = 18 [pid 4771] write(1, "executing program\n", 18 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4766, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4772] <... write resumed>) = 18 [pid 4771] <... write resumed>) = 18 executing program executing program executing program [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4773] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4771] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4773] <... futex resumed>) = 0 [pid 4771] <... futex resumed>) = 0 [pid 4773] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4771] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4773] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4771] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4773] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4771] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4773] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4771] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4773] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4771] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4773] <... mmap resumed>) = 0x7f85c0c15000 [pid 4771] <... mmap resumed>) = 0x7f85c0c15000 [pid 4773] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4772] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4771] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4773] <... mprotect resumed>) = 0 [pid 4772] <... futex resumed>) = 0 [pid 4772] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 305] <... restart_syscall resumed>) = 0 [pid 4773] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4772] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4771] <... mprotect resumed>) = 0 [pid 4773] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4772] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4772] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4773] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4772] <... mmap resumed>) = 0x7f85c0c15000 [pid 4771] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] <... restart_syscall resumed>) = 0 [pid 4772] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4771] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4773] <... clone3 resumed> => {parent_tid=[4774]}, 88) = 4774 [pid 4772] <... mprotect resumed>) = 0 [pid 4771] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4773] rt_sigprocmask(SIG_SETMASK, [] [pid 4772] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4772] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4772] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[4775]}, 88) = 4775 [pid 4772] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4773] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4772] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4773] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4772] <... futex resumed>) = 0 [pid 4771] <... clone3 resumed> => {parent_tid=[4777]}, 88) = 4777 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4776 [pid 4773] <... futex resumed>) = 0 [pid 4772] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4771] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 4776 attached [pid 4776] set_robust_list(0x5555810c5760, 24) = 0 [pid 4776] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4773] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4771] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4778 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4771] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4771] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4771] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4776] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4776] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4776] setpgid(0, 0) = 0 ci2-android-5-15/strace-static-x86_64: Process 4778 attached ci2-android-5-15/strace-static-x86_64: Process 4777 attached ci2-android-5-15/strace-static-x86_64: Process 4775 attached [pid 4776] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4778] set_robust_list(0x5555810c5760, 24 [pid 4777] set_robust_list(0x7f85c0c359a0, 24 [pid 4776] write(3, "1000", 4) = 4 [pid 4778] <... set_robust_list resumed>) = 0 [pid 4777] <... set_robust_list resumed>) = 0 [pid 4775] set_robust_list(0x7f85c0c359a0, 24 [pid 4776] close(3) = 0 [pid 4776] write(1, "executing program\n", 18) = 18 executing program [pid 4776] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4776] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4778] rt_sigprocmask(SIG_SETMASK, [] [pid 4777] rt_sigprocmask(SIG_SETMASK, [] [pid 4775] <... set_robust_list resumed>) = 0 [pid 4776] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4776] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4776] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4778] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4776] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4776] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4778] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4777] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4775] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 4774 attached [pid 4774] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4774] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4778] <... prctl resumed>) = 0 [pid 4774] mkdirat(AT_FDCWD, "./config", 0777 [pid 4778] setpgid(0, 0 [pid 4777] mkdirat(AT_FDCWD, "./config", 0777 [pid 4774] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4774] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4773] <... futex resumed>) = 0 [pid 4773] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4773] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4774] <... futex resumed>) = 1 [pid 4774] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 4774] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4773] <... futex resumed>) = 0 [pid 4773] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4773] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4774] <... futex resumed>) = 1 [pid 4774] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4778] <... setpgid resumed>) = 0 [pid 4777] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4776] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4775] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4774] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4774] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4773] <... futex resumed>) = 0 [pid 4773] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4773] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4778] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4777] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4775] mkdirat(AT_FDCWD, "./config", 0777 [pid 4776] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4778] <... openat resumed>) = 3 [pid 4774] <... futex resumed>) = 1 [pid 4777] <... futex resumed>) = 1 [pid 4771] <... futex resumed>) = 0 [pid 4774] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4778] write(3, "1000", 4 [pid 4771] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4777] mount(NULL, "./config", "configfs", 0, NULL [pid 4778] <... write resumed>) = 4 [pid 4775] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4771] <... futex resumed>) = 0 [pid 4778] close(3 [pid 4771] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4778] <... close resumed>) = 0 [pid 4777] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4776] <... clone3 resumed> => {parent_tid=[4779]}, 88) = 4779 [pid 4775] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4774] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4778] write(1, "executing program\n", 18) = 18 [pid 4777] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4774] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4778] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4776] rt_sigprocmask(SIG_SETMASK, [] [pid 4775] <... futex resumed>) = 1 executing program [pid 4772] <... futex resumed>) = 0 [pid 4777] <... futex resumed>) = 1 [pid 4771] <... futex resumed>) = 0 [pid 4778] <... futex resumed>) = 0 [pid 4777] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4775] mount(NULL, "./config", "configfs", 0, NULL [pid 4776] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4774] <... futex resumed>) = 1 [pid 4773] <... futex resumed>) = 0 [pid 4772] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4771] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4778] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4777] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4774] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4773] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4772] <... futex resumed>) = 0 [pid 4771] <... futex resumed>) = 0 [pid 4778] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4777] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4776] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4775] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4774] <... mkdirat resumed>) = 0 [pid 4773] <... futex resumed>) = 0 [pid 4772] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4771] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4779 attached [pid 4778] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4777] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4776] <... futex resumed>) = 0 [pid 4775] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4774] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4773] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4772] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4778] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4777] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4776] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4775] <... futex resumed>) = 0 [pid 4774] <... futex resumed>) = 0 [pid 4773] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4772] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4778] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4777] <... futex resumed>) = 1 [pid 4775] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4774] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4773] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4772] <... futex resumed>) = 0 [pid 4771] <... futex resumed>) = 0 [pid 4778] <... mmap resumed>) = 0x7f85c0c15000 [pid 4777] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4775] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4774] <... symlinkat resumed>) = 0 [pid 4773] <... futex resumed>) = 0 [pid 4772] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4771] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4778] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4777] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4775] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4774] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4773] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4772] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4771] <... futex resumed>) = 0 [pid 4778] <... mprotect resumed>) = 0 [pid 4777] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4775] <... futex resumed>) = 0 [pid 4774] <... futex resumed>) = 0 [pid 4773] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4772] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4771] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4778] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4777] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4775] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4774] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4773] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4772] <... futex resumed>) = 0 [pid 4778] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4777] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4775] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4774] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4773] <... futex resumed>) = 0 [pid 4772] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4778] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4777] <... futex resumed>) = 1 [pid 4775] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4774] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4773] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4772] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4771] <... futex resumed>) = 0 [pid 4777] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4775] <... futex resumed>) = 0 [pid 4774] <... unlinkat resumed>) = 0 [pid 4772] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4771] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4778] <... clone3 resumed> => {parent_tid=[4780]}, 88) = 4780 [pid 4777] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4775] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4774] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4772] <... futex resumed>) = 0 [pid 4771] <... futex resumed>) = 0 [pid 4779] set_robust_list(0x7f85c0c359a0, 24 [pid 4778] rt_sigprocmask(SIG_SETMASK, [] [pid 4777] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4775] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4774] <... futex resumed>) = 1 [pid 4773] <... futex resumed>) = 0 [pid 4772] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4771] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4779] <... set_robust_list resumed>) = 0 [pid 4778] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4777] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4775] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4774] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4773] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4772] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4779] rt_sigprocmask(SIG_SETMASK, [] [pid 4778] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4777] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4775] <... futex resumed>) = 0 [pid 4774] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4773] <... futex resumed>) = 0 [pid 4772] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4779] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4778] <... futex resumed>) = 0 [pid 4777] <... futex resumed>) = 1 [pid 4775] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4774] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4773] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4772] <... futex resumed>) = 0 [pid 4771] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4780 attached [pid 4779] mkdirat(AT_FDCWD, "./config", 0777 [pid 4778] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4777] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4775] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4774] <... unlinkat resumed>) = 0 [pid 4772] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4771] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4779] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4777] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4775] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4774] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4772] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4771] <... futex resumed>) = 0 [pid 4779] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4777] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4775] <... futex resumed>) = 0 [pid 4774] <... futex resumed>) = 1 [pid 4773] <... futex resumed>) = 0 [pid 4772] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4771] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4779] <... futex resumed>) = 1 [pid 4777] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4776] <... futex resumed>) = 0 [pid 4775] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4774] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4773] exit_group(0 [pid 4772] <... futex resumed>) = 0 [pid 4780] set_robust_list(0x7f85c0c359a0, 24 [pid 4779] mount(NULL, "./config", "configfs", 0, NULL [pid 4777] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4776] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4775] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4774] <... futex resumed>) = ? [pid 4773] <... exit_group resumed>) = ? [pid 4772] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4780] <... set_robust_list resumed>) = 0 [pid 4779] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4777] <... futex resumed>) = 1 [pid 4776] <... futex resumed>) = 0 [pid 4775] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4774] +++ exited with 0 +++ [pid 4773] +++ exited with 0 +++ [pid 4772] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4771] <... futex resumed>) = 0 [pid 4780] rt_sigprocmask(SIG_SETMASK, [] [pid 4779] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4777] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4776] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4775] <... futex resumed>) = 0 [pid 4772] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4771] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4773, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4780] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4779] <... futex resumed>) = 0 [pid 4777] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4776] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4775] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4772] <... futex resumed>) = 0 [pid 4771] <... futex resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4779] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4777] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4776] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4775] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4772] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4771] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4780] mkdirat(AT_FDCWD, "./config", 0777 [pid 4779] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4777] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4776] <... futex resumed>) = 0 [pid 4775] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4772] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4780] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4779] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4777] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4776] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4775] <... futex resumed>) = 0 [pid 4780] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4779] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4777] <... futex resumed>) = 1 [pid 4775] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4772] exit_group(0 [pid 4771] <... futex resumed>) = 0 [pid 4779] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4778] <... futex resumed>) = 0 [pid 4777] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4775] <... futex resumed>) = ? [pid 4780] <... futex resumed>) = 1 [pid 4772] <... exit_group resumed>) = ? [pid 4771] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4780] mount(NULL, "./config", "configfs", 0, NULL [pid 4779] <... futex resumed>) = 1 [pid 4778] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4777] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4776] <... futex resumed>) = 0 [pid 4775] +++ exited with 0 +++ [pid 4779] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4776] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4779] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4776] <... futex resumed>) = 0 [pid 4779] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4776] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4779] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4772] +++ exited with 0 +++ [pid 4779] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4778] <... futex resumed>) = 0 [pid 4777] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4771] <... futex resumed>) = 0 [pid 4779] <... futex resumed>) = 1 [pid 4778] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4777] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4776] <... futex resumed>) = 0 [pid 4780] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4779] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4777] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4776] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4771] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4772, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4780] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4779] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4777] <... futex resumed>) = 0 [pid 4776] <... futex resumed>) = 0 [pid 4771] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4780] <... futex resumed>) = 1 [pid 4779] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4778] <... futex resumed>) = 0 [pid 4777] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4776] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4771] exit_group(0 [pid 4780] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4779] <... mkdirat resumed>) = 0 [pid 4778] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4771] <... exit_group resumed>) = ? [pid 4780] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4779] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4778] <... futex resumed>) = 0 [pid 4777] <... futex resumed>) = ? [pid 4779] <... futex resumed>) = 1 [pid 4776] <... futex resumed>) = 0 [pid 4779] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4776] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4779] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4776] <... futex resumed>) = 0 [pid 4779] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4776] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4779] <... symlinkat resumed>) = 0 [pid 4777] +++ exited with 0 +++ [pid 4771] +++ exited with 0 +++ [pid 4779] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4778] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4776] <... futex resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4771, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4780] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... restart_syscall resumed>) = 0 [pid 4780] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4779] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4776] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4780] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4779] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4776] <... futex resumed>) = 0 [pid 4780] <... futex resumed>) = 1 [pid 4779] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4778] <... futex resumed>) = 0 [pid 4776] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4780] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4779] <... unlinkat resumed>) = 0 [pid 4778] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... restart_syscall resumed>) = 0 [pid 4780] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4779] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4778] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4780] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4779] <... futex resumed>) = 1 [pid 4778] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4776] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4780] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4779] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4776] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4780] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4779] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4776] <... futex resumed>) = 0 [pid 4779] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4780] <... futex resumed>) = 1 [pid 4778] <... futex resumed>) = 0 [pid 4776] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4780] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4779] <... unlinkat resumed>) = 0 [pid 4778] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4781 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4780] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4779] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4778] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4780] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4779] <... futex resumed>) = 1 [pid 4778] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4776] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4780] <... mkdirat resumed>) = 0 [pid 4779] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4776] exit_group(0 [pid 4779] <... futex resumed>) = ? [pid 4776] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 4781 attached [pid 4780] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4779] +++ exited with 0 +++ [pid 4776] +++ exited with 0 +++ [pid 4780] <... futex resumed>) = 1 [pid 4778] <... futex resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4782 [pid 4780] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4778] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4776, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 4782 attached [pid 4780] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4778] <... futex resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4780] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4778] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4782] set_robust_list(0x5555810c5760, 24 [pid 4780] <... symlinkat resumed>) = 0 [pid 4782] <... set_robust_list resumed>) = 0 [pid 4780] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4782] rt_sigprocmask(SIG_SETMASK, [] [pid 4780] <... futex resumed>) = 1 [pid 4778] <... futex resumed>) = 0 [pid 4780] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4778] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4780] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4778] <... futex resumed>) = 0 [pid 4780] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4778] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4782] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4780] <... unlinkat resumed>) = 0 [pid 4782] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4780] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4782] <... prctl resumed>) = 0 [pid 4780] <... futex resumed>) = 1 [pid 4778] <... futex resumed>) = 0 [pid 4780] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4778] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4780] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4778] <... futex resumed>) = 0 [pid 4780] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4778] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4782] setpgid(0, 0 [pid 4780] <... unlinkat resumed>) = 0 [pid 4782] <... setpgid resumed>) = 0 [pid 4780] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4782] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4780] <... futex resumed>) = 1 [pid 4778] <... futex resumed>) = 0 [pid 4781] set_robust_list(0x5555810c5760, 24 [pid 4780] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4778] exit_group(0 [pid 4781] <... set_robust_list resumed>) = 0 [pid 4780] <... futex resumed>) = ? [pid 4778] <... exit_group resumed>) = ? [pid 4782] <... openat resumed>) = 3 [pid 4780] +++ exited with 0 +++ [pid 4782] write(3, "1000", 4) = 4 [pid 4782] close(3) = 0 [pid 4778] +++ exited with 0 +++ [pid 4782] write(1, "executing program\n", 18) = 18 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4778, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4782] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4781] rt_sigprocmask(SIG_SETMASK, [] [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4782] <... futex resumed>) = 0 [pid 4781] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4782] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 executing program [pid 4782] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4782] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4782] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4782] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4781] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4782] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4781] <... prctl resumed>) = 0 [pid 4782] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[4783]}, 88) = 4783 [pid 4781] setpgid(0, 0 [pid 4782] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 4783 attached [pid 4783] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4783] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4783] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4781] <... setpgid resumed>) = 0 [pid 4781] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4781] write(3, "1000", 4) = 4 [pid 4781] close(3 [pid 4782] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4781] <... close resumed>) = 0 [pid 4781] write(1, "executing program\n", 18) = 18 executing program [pid 4781] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4782] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4781] <... futex resumed>) = 0 [pid 4781] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4781] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4782] <... futex resumed>) = 1 [pid 4781] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4782] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4781] <... mmap resumed>) = 0x7f85c0c15000 [pid 4781] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4781] <... mprotect resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4781] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4781] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4784 [pid 4781] <... clone3 resumed> => {parent_tid=[4785]}, 88) = 4785 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4781] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4781] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4781] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4781] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4783] <... futex resumed>) = 0 [pid 4783] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4783] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4784 attached ) = 1 [pid 4782] <... futex resumed>) = 0 [pid 4783] mount(NULL, "./config", "configfs", 0, NULL [pid 4782] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4782] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4783] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4783] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4782] <... futex resumed>) = 0 [pid 4783] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4782] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4782] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4783] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4783] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4782] <... futex resumed>) = 0 [pid 4782] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4783] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 312] <... restart_syscall resumed>) = 0 [pid 4782] <... futex resumed>) = 0 [pid 4782] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4783] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4783] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4783] <... futex resumed>) = 1 [pid 4783] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 4785 attached [pid 4785] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4785] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 4782] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4786 [pid 4782] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4785] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4782] <... futex resumed>) = 1 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4782] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4783] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4783] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4783] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4782] <... futex resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4787 [pid 4782] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4783] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4782] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4782] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4783] <... symlinkat resumed>) = 0 [pid 4783] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4782] <... futex resumed>) = 0 [pid 4783] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4782] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4783] <... unlinkat resumed>) = 0 [pid 4782] <... futex resumed>) = 0 [pid 4784] set_robust_list(0x5555810c5760, 24 [pid 4782] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4783] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4782] <... futex resumed>) = 0 [pid 4783] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4782] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4783] <... unlinkat resumed>) = 0 [pid 4782] <... futex resumed>) = 0 [pid 4783] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4782] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4783] <... futex resumed>) = 0 [pid 4782] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4783] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4782] exit_group(0) = ? [pid 4783] <... futex resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 4787 attached ci2-android-5-15/strace-static-x86_64: Process 4786 attached [pid 4784] <... set_robust_list resumed>) = 0 [pid 4783] +++ exited with 0 +++ [pid 4782] +++ exited with 0 +++ [pid 4785] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4782, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4785] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4781] <... futex resumed>) = 0 [pid 4781] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4784] rt_sigprocmask(SIG_SETMASK, [] [pid 4781] <... futex resumed>) = 0 [pid 4781] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4785] <... futex resumed>) = 1 [pid 4785] mount(NULL, "./config", "configfs", 0, NULL [pid 4784] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4786] set_robust_list(0x5555810c5760, 24 [pid 4785] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4785] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4781] <... futex resumed>) = 0 [pid 4787] set_robust_list(0x5555810c5760, 24 [pid 4786] <... set_robust_list resumed>) = 0 [pid 4784] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4781] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4781] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4785] <... futex resumed>) = 1 [pid 4785] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4785] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4781] <... futex resumed>) = 0 [pid 4781] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4781] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4785] <... futex resumed>) = 1 [pid 4785] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4784] <... prctl resumed>) = 0 [pid 4785] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4784] setpgid(0, 0 [pid 4781] <... futex resumed>) = 0 [pid 4781] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4781] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4785] <... futex resumed>) = 1 [pid 4785] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4784] <... setpgid resumed>) = 0 [pid 4786] rt_sigprocmask(SIG_SETMASK, [] [pid 4784] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4787] <... set_robust_list resumed>) = 0 [pid 4786] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4785] <... mkdirat resumed>) = 0 [pid 4787] rt_sigprocmask(SIG_SETMASK, [] [pid 4786] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4784] <... openat resumed>) = 3 [pid 4787] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4785] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4786] <... prctl resumed>) = 0 [pid 4784] write(3, "1000", 4 [pid 4787] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4786] setpgid(0, 0 [pid 4784] <... write resumed>) = 4 [pid 4781] <... futex resumed>) = 0 [pid 4787] <... prctl resumed>) = 0 [pid 4786] <... setpgid resumed>) = 0 [pid 4784] close(3 [pid 4781] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4787] setpgid(0, 0 [pid 4784] <... close resumed>) = 0 [pid 4781] <... futex resumed>) = 0 [pid 4787] <... setpgid resumed>) = 0 [pid 4786] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4784] write(1, "executing program\n", 18 [pid 4781] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4784] <... write resumed>) = 18 [pid 4787] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4785] <... futex resumed>) = 1 [pid 4784] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4785] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4787] <... openat resumed>) = 3 [pid 4784] <... futex resumed>) = 0 [pid 4786] <... openat resumed>) = 3 [pid 4784] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4787] write(3, "1000", 4 [pid 4786] write(3, "1000", 4 [pid 4784] <... rt_sigaction resumed>, NULL, 8) = 0 executing program [pid 4787] <... write resumed>) = 4 [pid 4786] <... write resumed>) = 4 [pid 4785] <... symlinkat resumed>) = 0 [pid 4784] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4785] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4787] close(3 [pid 4784] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4786] close(3 [pid 4784] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4787] <... close resumed>) = 0 [pid 4786] <... close resumed>) = 0 [pid 4784] <... mmap resumed>) = 0x7f85c0c15000 [pid 4786] write(1, "executing program\n", 18 [pid 4787] write(1, "executing program\n", 18 [pid 4784] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4781] <... futex resumed>) = 0 [pid 4784] <... mprotect resumed>) = 0 [pid 4787] <... write resumed>) = 18 [pid 4781] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4786] <... write resumed>) = 18 [pid 4784] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4781] <... futex resumed>) = 0 [pid 4787] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4784] <... rt_sigprocmask resumed>, [], 8) = 0 executing program executing program [pid 4781] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4787] <... futex resumed>) = 0 [pid 4786] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4784] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4785] <... futex resumed>) = 1 [pid 4786] <... futex resumed>) = 0 [pid 4784] <... clone3 resumed> => {parent_tid=[4788]}, 88) = 4788 [pid 4787] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4786] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4784] rt_sigprocmask(SIG_SETMASK, [] [pid 4785] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4786] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4784] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4787] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4786] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4784] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4787] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4784] <... futex resumed>) = 0 [pid 4786] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4787] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4784] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4786] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4787] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4786] <... mmap resumed>) = 0x7f85c0c15000 [pid 4787] <... mmap resumed>) = 0x7f85c0c15000 [pid 4786] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4785] <... unlinkat resumed>) = 0 [pid 4787] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4786] <... mprotect resumed>) = 0 [pid 4785] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... restart_syscall resumed>) = 0 [pid 4787] <... mprotect resumed>) = 0 [pid 4785] <... futex resumed>) = 1 [pid 4781] <... futex resumed>) = 0 [pid 4785] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4781] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4787] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4786] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4785] <... unlinkat resumed>) = 0 [pid 4781] <... futex resumed>) = 0 [pid 4787] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4786] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4785] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4781] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4787] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4786] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4785] <... futex resumed>) = 0 [pid 4781] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4789 attached ci2-android-5-15/strace-static-x86_64: Process 4790 attached ci2-android-5-15/strace-static-x86_64: Process 4788 attached [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4787] <... clone3 resumed> => {parent_tid=[4789]}, 88) = 4789 [pid 4786] <... clone3 resumed> => {parent_tid=[4790]}, 88) = 4790 [pid 4785] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4781] exit_group(0 [pid 4785] <... futex resumed>) = ? [pid 4781] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 4791 attached [pid 4790] set_robust_list(0x7f85c0c359a0, 24 [pid 4789] set_robust_list(0x7f85c0c359a0, 24 [pid 4787] rt_sigprocmask(SIG_SETMASK, [] [pid 4786] rt_sigprocmask(SIG_SETMASK, [] [pid 4785] +++ exited with 0 +++ [pid 4781] +++ exited with 0 +++ [pid 4791] set_robust_list(0x5555810c5760, 24 [pid 4790] <... set_robust_list resumed>) = 0 [pid 4789] <... set_robust_list resumed>) = 0 [pid 4787] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4786] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4791 [pid 4791] <... set_robust_list resumed>) = 0 [pid 4790] rt_sigprocmask(SIG_SETMASK, [] [pid 4789] rt_sigprocmask(SIG_SETMASK, [] [pid 4787] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4786] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4781, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4791] rt_sigprocmask(SIG_SETMASK, [] [pid 4790] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4789] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4787] <... futex resumed>) = 0 [pid 4786] <... futex resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4791] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4787] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4786] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4790] mkdirat(AT_FDCWD, "./config", 0777 [pid 4789] mkdirat(AT_FDCWD, "./config", 0777 [pid 4790] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4789] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4791] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4790] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4791] <... prctl resumed>) = 0 [pid 4789] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4791] setpgid(0, 0 [pid 4790] <... futex resumed>) = 1 [pid 4786] <... futex resumed>) = 0 [pid 4791] <... setpgid resumed>) = 0 [pid 4790] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4789] <... futex resumed>) = 1 [pid 4787] <... futex resumed>) = 0 [pid 4786] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4790] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4789] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4787] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4786] <... futex resumed>) = 0 [pid 4791] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4790] mount(NULL, "./config", "configfs", 0, NULL [pid 4789] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4787] <... futex resumed>) = 0 [pid 4786] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4789] mount(NULL, "./config", "configfs", 0, NULL [pid 4787] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4790] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4790] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4789] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4791] <... openat resumed>) = 3 [pid 4788] set_robust_list(0x7f85c0c359a0, 24 [pid 4791] write(3, "1000", 4 [pid 4790] <... futex resumed>) = 1 [pid 4789] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4788] <... set_robust_list resumed>) = 0 [pid 4786] <... futex resumed>) = 0 [pid 4791] <... write resumed>) = 4 [pid 4790] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4789] <... futex resumed>) = 1 [pid 4788] rt_sigprocmask(SIG_SETMASK, [] [pid 4787] <... futex resumed>) = 0 [pid 4786] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4791] close(3 [pid 4790] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4789] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4788] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4787] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4786] <... futex resumed>) = 0 [pid 4791] <... close resumed>) = 0 [pid 4790] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4789] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4787] <... futex resumed>) = 0 [pid 4786] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4791] write(1, "executing program\n", 18 [pid 4790] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4789] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4788] mkdirat(AT_FDCWD, "./config", 0777 [pid 4787] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4791] <... write resumed>) = 18 [pid 4790] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4789] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4788] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4791] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4790] <... futex resumed>) = 1 [pid 4789] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4786] <... futex resumed>) = 0 [pid 4788] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4791] <... futex resumed>) = 0 [pid 4790] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4789] <... futex resumed>) = 1 [pid 4787] <... futex resumed>) = 0 [pid 4786] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4784] <... futex resumed>) = 0 [pid 4791] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4790] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4789] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4788] <... futex resumed>) = 1 [pid 4787] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4786] <... futex resumed>) = 0 [pid 4784] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4791] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4790] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4789] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4788] mount(NULL, "./config", "configfs", 0, NULL [pid 4787] <... futex resumed>) = 0 [pid 4786] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4784] <... futex resumed>) = 0 [pid 4791] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4790] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4789] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4787] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4784] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4791] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4790] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4789] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4788] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4791] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4790] <... futex resumed>) = 1 [pid 4789] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4788] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4786] <... futex resumed>) = 0 [pid 4790] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4789] <... futex resumed>) = 1 [pid 4788] <... futex resumed>) = 1 [pid 4791] <... mmap resumed>) = 0x7f85c0c15000 [pid 4787] <... futex resumed>) = 0 [pid 4786] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4784] <... futex resumed>) = 0 executing program [pid 4791] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4790] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4789] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4788] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4787] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4786] <... futex resumed>) = 0 [pid 4784] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4791] <... mprotect resumed>) = 0 [pid 4790] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4788] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4787] <... futex resumed>) = 0 [pid 4786] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4784] <... futex resumed>) = 0 [pid 4790] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4788] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4787] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4784] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4789] <... mkdirat resumed>) = 0 [pid 4791] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4790] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4788] <... futex resumed>) = 0 [pid 4784] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4789] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4791] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4790] <... futex resumed>) = 1 [pid 4788] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4787] <... futex resumed>) = 0 [pid 4786] <... futex resumed>) = 0 [pid 4789] <... futex resumed>) = 1 [pid 4784] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4791] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4790] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4789] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4788] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4787] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4786] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4784] <... futex resumed>) = 0 [pid 4790] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4788] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4787] <... futex resumed>) = 0 [pid 4786] <... futex resumed>) = 0 [pid 4784] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4791] <... clone3 resumed> => {parent_tid=[4792]}, 88) = 4792 [pid 4790] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4789] <... symlinkat resumed>) = 0 [pid 4788] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4787] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4786] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4791] rt_sigprocmask(SIG_SETMASK, [] [pid 4790] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4789] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4788] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4787] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4791] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4790] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4789] <... futex resumed>) = 0 [pid 4788] <... futex resumed>) = 1 [pid 4787] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4784] <... futex resumed>) = 0 [pid 4791] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4790] <... futex resumed>) = 1 [pid 4789] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4788] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4787] <... futex resumed>) = 0 [pid 4786] <... futex resumed>) = 0 [pid 4784] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... restart_syscall resumed>) = 0 [pid 4791] <... futex resumed>) = 0 [pid 4790] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4789] <... unlinkat resumed>) = 0 [pid 4788] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4787] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4786] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4784] <... futex resumed>) = 0 [pid 4791] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4790] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4789] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4788] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4787] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4786] <... futex resumed>) = 0 [pid 4784] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4790] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4789] <... futex resumed>) = 0 [pid 4788] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4787] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4786] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4790] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4789] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4788] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4787] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4790] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4788] <... futex resumed>) = 1 [pid 4787] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4784] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4790] <... futex resumed>) = 1 [pid 4789] <... unlinkat resumed>) = 0 [pid 4788] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4786] <... futex resumed>) = 0 [pid 4784] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4790] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4789] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4788] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4786] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4784] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4792 attached [pid 4792] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4792] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4792] mkdirat(AT_FDCWD, "./config", 0777 [pid 4790] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4788] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4786] <... futex resumed>) = 0 [pid 4784] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4787] <... futex resumed>) = 0 [pid 4789] <... futex resumed>) = 1 [pid 4790] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4788] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4786] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4789] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4787] exit_group(0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4793 [pid 4788] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4790] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4787] <... exit_group resumed>) = ? [pid 4790] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4789] <... futex resumed>) = ? [pid 4788] <... futex resumed>) = 1 [pid 4784] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4788] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4784] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4786] <... futex resumed>) = 0 [pid 4790] <... futex resumed>) = 1 [pid 4788] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4786] exit_group(0 [pid 4784] <... futex resumed>) = 0 [pid 4790] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4788] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4786] <... exit_group resumed>) = ? [pid 4784] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4788] <... futex resumed>) = 0 [pid 4792] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4788] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4784] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4792] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4788] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4784] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4792] <... futex resumed>) = 1 [pid 4791] <... futex resumed>) = 0 [pid 4788] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4784] <... futex resumed>) = 0 [pid 4791] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4788] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4784] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4788] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4784] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4788] <... futex resumed>) = 0 [pid 4784] exit_group(0 [pid 4788] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4784] <... exit_group resumed>) = ? [pid 4788] +++ exited with 0 +++ [pid 4792] mount(NULL, "./config", "configfs", 0, NULL [pid 4791] <... futex resumed>) = 0 [pid 4792] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4791] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4792] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4791] <... futex resumed>) = 0 [pid 4792] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4791] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4792] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4791] <... futex resumed>) = 0 [pid 4784] +++ exited with 0 +++ [pid 4792] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4791] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4784, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4792] <... futex resumed>) = 0 [pid 4791] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4792] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4791] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4792] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4791] <... futex resumed>) = 0 [pid 4792] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4791] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4790] +++ exited with 0 +++ [pid 4786] +++ exited with 0 +++ [pid 4792] <... futex resumed>) = 0 [pid 4791] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4792] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4791] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4789] +++ exited with 0 +++ [pid 4787] +++ exited with 0 +++ [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4786, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4792] <... mkdirat resumed>) = 0 [pid 4791] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4792] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4791] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4792] <... futex resumed>) = 0 [pid 4791] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4787, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4792] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4791] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 4793 attached [pid 4792] <... symlinkat resumed>) = 0 [pid 4791] <... futex resumed>) = 0 [pid 4793] set_robust_list(0x5555810c5760, 24 [pid 4792] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4791] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4793] <... set_robust_list resumed>) = 0 [pid 4792] <... futex resumed>) = 0 [pid 4791] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4793] rt_sigprocmask(SIG_SETMASK, [] [pid 4792] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4791] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4793] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4792] <... unlinkat resumed>) = 0 [pid 4791] <... futex resumed>) = 0 [pid 4793] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4792] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4791] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4792] <... futex resumed>) = 0 [pid 4791] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4792] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4791] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4792] <... unlinkat resumed>) = 0 [pid 4791] <... futex resumed>) = 0 [pid 4793] <... prctl resumed>) = 0 [pid 4792] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4791] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4792] <... futex resumed>) = 0 [pid 4791] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4792] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4791] exit_group(0 [pid 4792] <... futex resumed>) = ? [pid 4791] <... exit_group resumed>) = ? [pid 4793] setpgid(0, 0 [pid 4792] +++ exited with 0 +++ [pid 4791] +++ exited with 0 +++ [pid 4793] <... setpgid resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4791, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 4793] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 311] <... restart_syscall resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4793] <... openat resumed>) = 3 [pid 4793] write(3, "1000", 4 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4793] <... write resumed>) = 4 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4793] close(3) = 0 ci2-android-5-15/strace-static-x86_64: Process 4794 attached [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4794 [pid 4793] write(1, "executing program\n", 18 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4794] set_robust_list(0x5555810c5760, 24 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4794] <... set_robust_list resumed>) = 0 executing program [pid 4794] rt_sigprocmask(SIG_SETMASK, [] [pid 4793] <... write resumed>) = 18 [pid 4794] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4793] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4793] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 312] <... restart_syscall resumed>) = 0 [pid 4793] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4794] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4793] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4794] <... prctl resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4793] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4794] setpgid(0, 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4793] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4794] <... setpgid resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4793] <... mmap resumed>) = 0x7f85c0c15000 [pid 4793] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4793] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4794] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4793] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4795 [pid 4793] <... clone3 resumed> => {parent_tid=[4796]}, 88) = 4796 [pid 4793] rt_sigprocmask(SIG_SETMASK, [] [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4794] <... openat resumed>) = 3 [pid 4793] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4794] write(3, "1000", 4 [pid 4793] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4794] <... write resumed>) = 4 [pid 4793] <... futex resumed>) = 0 [pid 4794] close(3 [pid 4793] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... restart_syscall resumed>) = 0 [pid 4794] <... close resumed>) = 0 [pid 4794] write(1, "executing program\n", 18 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 4795 attached [pid 4794] <... write resumed>) = 18 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4794] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4795] set_robust_list(0x5555810c5760, 24) = 0 [pid 4795] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 executing program [pid 4795] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4794] <... futex resumed>) = 0 [pid 4795] <... prctl resumed>) = 0 [pid 4794] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4797 [pid 4795] setpgid(0, 0) = 0 [pid 4794] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4795] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4794] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4796 attached [pid 304] <... restart_syscall resumed>) = 0 [pid 4794] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4795] <... openat resumed>) = 3 [pid 4794] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4795] write(3, "1000", 4 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4794] <... mmap resumed>) = 0x7f85c0c15000 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4795] <... write resumed>) = 4 [pid 4794] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4795] close(3) = 0 [pid 4795] write(1, "executing program\n", 18) = 18 [pid 4795] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4795] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4794] <... mprotect resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4798 [pid 4795] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4795] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4794] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 4795] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4794] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4795] <... mmap resumed>) = 0x7f85c0c15000 [pid 4795] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 ci2-android-5-15/strace-static-x86_64: Process 4798 attached [pid 4796] set_robust_list(0x7f85c0c359a0, 24 [pid 4795] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4794] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4795] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4795] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[4800]}, 88) = 4800 [pid 4794] <... clone3 resumed> => {parent_tid=[4799]}, 88) = 4799 [pid 4795] rt_sigprocmask(SIG_SETMASK, [] [pid 4794] rt_sigprocmask(SIG_SETMASK, [] [pid 4795] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4794] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4795] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4794] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4795] <... futex resumed>) = 0 [pid 4794] <... futex resumed>) = 0 [pid 4795] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4794] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4797 attached [pid 4797] set_robust_list(0x5555810c5760, 24) = 0 ci2-android-5-15/strace-static-x86_64: Process 4799 attached [pid 4798] set_robust_list(0x5555810c5760, 24 [pid 4796] <... set_robust_list resumed>) = 0 [pid 4798] <... set_robust_list resumed>) = 0 [pid 4797] rt_sigprocmask(SIG_SETMASK, [] [pid 4796] rt_sigprocmask(SIG_SETMASK, [] [pid 4799] set_robust_list(0x7f85c0c359a0, 24 [pid 4797] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4797] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4798] rt_sigprocmask(SIG_SETMASK, [] [pid 4796] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4799] <... set_robust_list resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4800 attached [pid 4800] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4800] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4800] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4796] mkdirat(AT_FDCWD, "./config", 0777 [pid 4800] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4795] <... futex resumed>) = 0 [pid 4795] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4795] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4800] <... futex resumed>) = 1 [pid 4800] mount(NULL, "./config", "configfs", 0, NULL [pid 4799] rt_sigprocmask(SIG_SETMASK, [] [pid 4798] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4797] <... prctl resumed>) = 0 [pid 4796] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4800] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4796] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4800] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4795] <... futex resumed>) = 0 [pid 4795] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4795] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4800] <... futex resumed>) = 1 [pid 4800] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4800] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4795] <... futex resumed>) = 0 [pid 4795] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4795] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4800] <... futex resumed>) = 1 [pid 4800] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4796] <... futex resumed>) = 1 [pid 4793] <... futex resumed>) = 0 [pid 4798] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4796] mount(NULL, "./config", "configfs", 0, NULL [pid 4793] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4796] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4793] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4798] <... prctl resumed>) = 0 [pid 4796] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4793] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4798] setpgid(0, 0 [pid 4796] <... futex resumed>) = 0 [pid 4793] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4798] <... setpgid resumed>) = 0 [pid 4796] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4793] <... futex resumed>) = 0 [pid 4796] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4793] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4798] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4796] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4793] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4796] <... futex resumed>) = 0 [pid 4793] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4796] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4793] <... futex resumed>) = 0 [pid 4798] <... openat resumed>) = 3 [pid 4796] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4793] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4798] write(3, "1000", 4 [pid 4796] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4793] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4798] <... write resumed>) = 4 [pid 4796] <... futex resumed>) = 0 [pid 4793] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4799] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4798] close(3 [pid 4797] setpgid(0, 0 [pid 4796] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4793] <... futex resumed>) = 0 [pid 4793] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4800] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4800] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4796] <... mkdirat resumed>) = 0 [pid 4798] <... close resumed>) = 0 [pid 4796] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4795] <... futex resumed>) = 0 [pid 4798] write(1, "executing program\n", 18 [pid 4796] <... futex resumed>) = 1 [pid 4793] <... futex resumed>) = 0 executing program [pid 4798] <... write resumed>) = 18 [pid 4796] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4795] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4793] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4800] <... futex resumed>) = 1 [pid 4798] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4796] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4795] <... futex resumed>) = 0 [pid 4793] <... futex resumed>) = 0 [pid 4800] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4798] <... futex resumed>) = 0 [pid 4796] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4795] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4793] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4800] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4798] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4796] <... symlinkat resumed>) = 0 [pid 4800] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4798] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4796] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4800] <... futex resumed>) = 1 [pid 4798] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4796] <... futex resumed>) = 1 [pid 4795] <... futex resumed>) = 0 [pid 4793] <... futex resumed>) = 0 [pid 4800] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4799] mkdirat(AT_FDCWD, "./config", 0777 [pid 4798] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4797] <... setpgid resumed>) = 0 [pid 4796] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4795] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4793] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4800] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4799] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4798] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4797] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4796] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4795] <... futex resumed>) = 0 [pid 4793] <... futex resumed>) = 0 [pid 4800] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4799] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4798] <... mmap resumed>) = 0x7f85c0c15000 [pid 4796] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4795] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4793] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4800] <... futex resumed>) = 0 [pid 4799] <... futex resumed>) = 1 [pid 4798] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4797] <... openat resumed>) = 3 [pid 4796] <... unlinkat resumed>) = 0 [pid 4795] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4794] <... futex resumed>) = 0 [pid 4800] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4799] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4798] <... mprotect resumed>) = 0 [pid 4797] write(3, "1000", 4 [pid 4796] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4795] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4794] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4800] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4799] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4798] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4797] <... write resumed>) = 4 [pid 4796] <... futex resumed>) = 1 [pid 4795] <... futex resumed>) = 0 [pid 4793] <... futex resumed>) = 0 [pid 4794] <... futex resumed>) = 0 [pid 4800] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4799] mount(NULL, "./config", "configfs", 0, NULL [pid 4798] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4797] close(3 [pid 4796] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4795] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4794] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4793] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4800] <... futex resumed>) = 0 [pid 4799] <... mount resumed>) = -1 EBUSY (Device or resource busy) executing program [pid 4798] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4797] <... close resumed>) = 0 [pid 4796] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4795] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4793] <... futex resumed>) = 0 [pid 4800] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4796] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4795] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4793] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4800] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4799] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4797] write(1, "executing program\n", 18 [pid 4795] <... futex resumed>) = 0 [pid 4800] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4799] <... futex resumed>) = 1 [pid 4798] <... clone3 resumed> => {parent_tid=[4801]}, 88) = 4801 [pid 4797] <... write resumed>) = 18 [pid 4796] <... unlinkat resumed>) = 0 [pid 4795] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4794] <... futex resumed>) = 0 [pid 4800] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4799] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4798] rt_sigprocmask(SIG_SETMASK, [] [pid 4797] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4796] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4794] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4800] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4799] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4798] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4797] <... futex resumed>) = 0 [pid 4796] <... futex resumed>) = 1 [pid 4794] <... futex resumed>) = 0 [pid 4793] <... futex resumed>) = 0 [pid 4800] <... futex resumed>) = 1 [pid 4799] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4798] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4797] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4796] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4795] <... futex resumed>) = 0 [pid 4794] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4793] exit_group(0 [pid 4800] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4799] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4798] <... futex resumed>) = 0 [pid 4797] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4796] <... futex resumed>) = ? [pid 4795] exit_group(0 [pid 4793] <... exit_group resumed>) = ? [pid 4800] <... futex resumed>) = ? [pid 4799] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4798] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4797] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4796] +++ exited with 0 +++ [pid 4795] <... exit_group resumed>) = ? [pid 4793] +++ exited with 0 +++ [pid 4800] +++ exited with 0 +++ [pid 4799] <... futex resumed>) = 1 [pid 4797] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4795] +++ exited with 0 +++ [pid 4794] <... futex resumed>) = 0 [pid 4799] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4797] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4794] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4795, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4793, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4799] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4797] <... mmap resumed>) = 0x7f85c0c15000 [pid 4794] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4799] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4797] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4794] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4799] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4797] <... mprotect resumed>) = 0 [pid 4799] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4801 attached ) = 1 [pid 4794] <... futex resumed>) = 0 [pid 4799] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4797] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4794] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4799] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4797] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4794] <... futex resumed>) = 0 [pid 4799] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4797] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4794] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4799] <... mkdirat resumed>) = 0 [pid 4799] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4797] <... clone3 resumed> => {parent_tid=[4802]}, 88) = 4802 [pid 4799] <... futex resumed>) = 1 [pid 4794] <... futex resumed>) = 0 [pid 4799] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4797] rt_sigprocmask(SIG_SETMASK, [] [pid 4794] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4799] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4797] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4794] <... futex resumed>) = 0 [pid 4799] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4797] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4794] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4801] set_robust_list(0x7f85c0c359a0, 24 [pid 4797] <... futex resumed>) = 0 [pid 4799] <... symlinkat resumed>) = 0 [pid 4797] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4799] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4801] <... set_robust_list resumed>) = 0 [pid 4799] <... futex resumed>) = 1 [pid 4794] <... futex resumed>) = 0 [pid 4799] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4801] rt_sigprocmask(SIG_SETMASK, [] [pid 4794] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4799] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4794] <... futex resumed>) = 0 [pid 4799] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4794] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4799] <... unlinkat resumed>) = 0 [pid 4801] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4799] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... restart_syscall resumed>) = 0 [pid 4801] mkdirat(AT_FDCWD, "./config", 0777 [pid 4799] <... futex resumed>) = 1 [pid 4794] <... futex resumed>) = 0 [pid 4799] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4794] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... restart_syscall resumed>) = 0 [pid 4794] <... futex resumed>) = 0 [pid 4794] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4799] <... unlinkat resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4801] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4801] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4801] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 4802 attached [pid 4802] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4802] rt_sigprocmask(SIG_SETMASK, [] [pid 4799] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4798] <... futex resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4799] <... futex resumed>) = 1 [pid 4798] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4794] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4803 [pid 4802] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4802] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4802] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4794] exit_group(0 [pid 4801] <... futex resumed>) = 0 [pid 4798] <... futex resumed>) = 1 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4804 [pid 4801] mount(NULL, "./config", "configfs", 0, NULL [pid 4798] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4797] <... futex resumed>) = 0 [pid 4794] <... exit_group resumed>) = ? [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4801] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4799] +++ exited with 0 +++ [pid 4797] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4801] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4801] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4802] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 4794] +++ exited with 0 +++ [pid 4802] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4798] <... futex resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4794, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4798] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4797] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4801] <... futex resumed>) = 0 [pid 4798] <... futex resumed>) = 1 [pid 4797] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4801] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4798] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4797] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4801] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4797] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4801] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4798] <... futex resumed>) = 0 [pid 4797] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4804 attached [pid 4801] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4798] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4797] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4801] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4798] <... futex resumed>) = 0 [pid 4801] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4798] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4802] <... futex resumed>) = 1 [pid 4801] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4797] <... futex resumed>) = 0 [pid 4802] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4801] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4797] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=49000000} [pid 4802] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4801] <... futex resumed>) = 1 [pid 4798] <... futex resumed>) = 0 [pid 4802] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4801] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4798] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4802] <... futex resumed>) = 1 [pid 4801] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4797] <... futex resumed>) = 0 [pid 4798] <... futex resumed>) = 0 [pid 4802] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4801] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4798] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4797] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4802] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4801] <... mkdirat resumed>) = 0 [pid 4804] set_robust_list(0x5555810c5760, 24 [pid 4802] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4801] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4797] <... futex resumed>) = 0 [pid 4804] <... set_robust_list resumed>) = 0 [pid 4802] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4801] <... futex resumed>) = 1 [pid 4798] <... futex resumed>) = 0 [pid 4797] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4802] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4801] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4798] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4797] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4804] rt_sigprocmask(SIG_SETMASK, [] [pid 4802] <... futex resumed>) = 0 [pid 4801] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4798] <... futex resumed>) = 0 [pid 4802] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4801] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4798] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4797] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4804] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4802] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4801] <... symlinkat resumed>) = 0 [pid 4797] <... futex resumed>) = 0 [pid 4802] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4801] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4797] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4804] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4802] <... futex resumed>) = 0 [pid 4801] <... futex resumed>) = 1 [pid 4798] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4803 attached [pid 4802] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4804] <... prctl resumed>) = 0 [pid 4801] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4798] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4797] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4804] setpgid(0, 0 [pid 4803] set_robust_list(0x5555810c5760, 24 [pid 4801] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4798] <... futex resumed>) = 0 [pid 4797] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4804] <... setpgid resumed>) = 0 [pid 4803] <... set_robust_list resumed>) = 0 [pid 4801] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4798] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4797] <... futex resumed>) = 1 [pid 4804] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4803] rt_sigprocmask(SIG_SETMASK, [] [pid 4802] <... futex resumed>) = 0 [pid 4801] <... unlinkat resumed>) = 0 [pid 4797] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4803] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4802] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4801] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4804] <... openat resumed>) = 3 [pid 4803] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4802] <... symlinkat resumed>) = 0 [pid 4801] <... futex resumed>) = 1 [pid 311] <... restart_syscall resumed>) = 0 [pid 4804] write(3, "1000", 4 [pid 4803] <... prctl resumed>) = 0 [pid 4802] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4801] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4798] <... futex resumed>) = 0 [pid 4804] <... write resumed>) = 4 [pid 4803] setpgid(0, 0 [pid 4802] <... futex resumed>) = 1 [pid 4798] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4797] <... futex resumed>) = 0 [pid 4804] close(3 [pid 4803] <... setpgid resumed>) = 0 [pid 4802] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4801] <... futex resumed>) = 0 [pid 4798] <... futex resumed>) = 1 [pid 4797] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4804] <... close resumed>) = 0 [pid 4803] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4802] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4801] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4798] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4797] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4804] write(1, "executing program\n", 18 [pid 4803] <... openat resumed>) = 3 executing program [pid 4802] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4801] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 4797] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4804] <... write resumed>) = 18 [pid 4803] write(3, "1000", 4 [pid 4802] <... unlinkat resumed>) = 0 [pid 4801] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4804] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4803] <... write resumed>) = 4 [pid 4802] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4801] <... futex resumed>) = 1 [pid 4803] close(3 [pid 4802] <... futex resumed>) = 1 [pid 4803] <... close resumed>) = 0 [pid 4802] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4803] write(1, "executing program\n", 18 [pid 4798] <... futex resumed>) = 0 [pid 4801] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4797] <... futex resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4805 [pid 4804] <... futex resumed>) = 0 [pid 4798] exit_group(0 [pid 4797] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 4804] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4798] <... exit_group resumed>) = ? [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4803] <... write resumed>) = 18 [pid 4802] <... futex resumed>) = 0 [pid 4801] <... futex resumed>) = ? [pid 4797] <... futex resumed>) = 1 [pid 4804] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4803] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4802] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4803] <... futex resumed>) = 0 [pid 4802] <... unlinkat resumed>) = 0 [pid 4803] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4802] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4803] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4802] <... futex resumed>) = 0 [pid 4801] +++ exited with 0 +++ [pid 4798] +++ exited with 0 +++ [pid 4803] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4802] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4797] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4804] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4803] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4797] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4798, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4804] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4803] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4797] exit_group(0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4804] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4803] <... mmap resumed>) = 0x7f85c0c15000 [pid 4802] <... futex resumed>) = ? [pid 4797] <... exit_group resumed>) = ? [pid 4804] <... mmap resumed>) = 0x7f85c0c15000 [pid 4803] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4802] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 4805 attached [pid 4803] <... mprotect resumed>) = 0 [pid 4803] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4797] +++ exited with 0 +++ [pid 4804] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4803] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4803] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[4806]}, 88) = 4806 [pid 4805] set_robust_list(0x5555810c5760, 24 [pid 4803] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 4806 attached [pid 4805] <... set_robust_list resumed>) = 0 [pid 4804] <... mprotect resumed>) = 0 [pid 4803] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4806] set_robust_list(0x7f85c0c359a0, 24 [pid 4805] rt_sigprocmask(SIG_SETMASK, [] [pid 4804] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4803] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4806] <... set_robust_list resumed>) = 0 [pid 4805] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4804] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4803] <... futex resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4797, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4806] rt_sigprocmask(SIG_SETMASK, [] [pid 4805] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4804] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4803] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4806] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4805] <... prctl resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4806] mkdirat(AT_FDCWD, "./config", 0777 [pid 4804] <... clone3 resumed> => {parent_tid=[4807]}, 88) = 4807 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4804] rt_sigprocmask(SIG_SETMASK, [] [pid 4806] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4805] setpgid(0, 0) = 0 [pid 4805] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4806] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4804] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... restart_syscall resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4808 attached [pid 4804] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4806] <... futex resumed>) = 1 [pid 4805] <... openat resumed>) = 3 [pid 4803] <... futex resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4808 [pid 4805] write(3, "1000", 4 [pid 4804] <... futex resumed>) = 0 [pid 4803] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4806] mount(NULL, "./config", "configfs", 0, NULL [pid 4805] <... write resumed>) = 4 [pid 4804] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4803] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4805] close(3 [pid 4803] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4806] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4805] <... close resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4806] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4805] write(1, "executing program\n", 18) = 18 [pid 4805] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4805] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4806] <... futex resumed>) = 1 [pid 4803] <... futex resumed>) = 0 executing program [pid 4805] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4803] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4809 [pid 4805] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4803] <... futex resumed>) = 0 [pid 4806] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4805] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4803] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4805] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4806] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4805] <... mmap resumed>) = 0x7f85c0c15000 [pid 4806] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4805] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 ci2-android-5-15/strace-static-x86_64: Process 4809 attached [pid 4808] set_robust_list(0x5555810c5760, 24 [pid 4806] <... futex resumed>) = 1 [pid 4803] <... futex resumed>) = 0 [pid 4806] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4805] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4803] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4806] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4803] <... futex resumed>) = 0 [pid 4806] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4803] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4806] <... mkdirat resumed>) = -1 EEXIST (File exists) ci2-android-5-15/strace-static-x86_64: Process 4807 attached [pid 4806] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4808] <... set_robust_list resumed>) = 0 [pid 4803] <... futex resumed>) = 0 [pid 4806] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4803] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4806] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4803] <... futex resumed>) = 0 [pid 4808] rt_sigprocmask(SIG_SETMASK, [] [pid 4806] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4803] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4807] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4806] <... mkdirat resumed>) = 0 [pid 4808] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4806] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4805] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4807] rt_sigprocmask(SIG_SETMASK, [] [pid 4806] <... futex resumed>) = 1 [pid 4803] <... futex resumed>) = 0 [pid 4808] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4807] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4806] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4805] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4803] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4808] <... prctl resumed>) = 0 [pid 4807] mkdirat(AT_FDCWD, "./config", 0777 [pid 4806] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4803] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4810 attached [pid 4809] set_robust_list(0x5555810c5760, 24 [pid 4808] setpgid(0, 0 [pid 4807] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4806] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4803] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4809] <... set_robust_list resumed>) = 0 [pid 4808] <... setpgid resumed>) = 0 [pid 4807] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4806] <... symlinkat resumed>) = 0 [pid 4805] <... clone3 resumed> => {parent_tid=[4810]}, 88) = 4810 [pid 4808] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4806] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4805] rt_sigprocmask(SIG_SETMASK, [] [pid 4809] rt_sigprocmask(SIG_SETMASK, [] [pid 4808] <... openat resumed>) = 3 [pid 4807] <... futex resumed>) = 1 [pid 4806] <... futex resumed>) = 1 [pid 4805] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4804] <... futex resumed>) = 0 [pid 4803] <... futex resumed>) = 0 [pid 4809] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4808] write(3, "1000", 4 [pid 4807] mount(NULL, "./config", "configfs", 0, NULL [pid 4806] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4805] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4804] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4803] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4810] set_robust_list(0x7f85c0c359a0, 24 [pid 4809] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4808] <... write resumed>) = 4 [pid 4807] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4806] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4805] <... futex resumed>) = 0 [pid 4804] <... futex resumed>) = 0 [pid 4803] <... futex resumed>) = 0 [pid 4810] <... set_robust_list resumed>) = 0 [pid 4809] <... prctl resumed>) = 0 [pid 4808] close(3 [pid 4807] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4806] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4805] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4804] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4803] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4809] setpgid(0, 0 [pid 4808] <... close resumed>) = 0 [pid 4807] <... futex resumed>) = 0 [pid 4806] <... unlinkat resumed>) = 0 [pid 4804] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4808] write(1, "executing program\n", 18 [pid 4806] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4804] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 4810] rt_sigprocmask(SIG_SETMASK, [] [pid 4809] <... setpgid resumed>) = 0 [pid 4808] <... write resumed>) = 18 [pid 4807] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4806] <... futex resumed>) = 1 [pid 4804] <... futex resumed>) = 0 [pid 4803] <... futex resumed>) = 0 [pid 4810] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4809] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4808] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4807] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4806] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4804] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4803] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4810] mkdirat(AT_FDCWD, "./config", 0777 [pid 4809] <... openat resumed>) = 3 [pid 4808] <... futex resumed>) = 0 [pid 4807] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4806] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4804] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4803] <... futex resumed>) = 0 [pid 4810] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4809] write(3, "1000", 4 [pid 4808] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4807] <... futex resumed>) = 0 [pid 4806] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4804] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4803] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4810] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4809] <... write resumed>) = 4 [pid 4808] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4807] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4810] <... futex resumed>) = 1 [pid 4809] close(3 [pid 4808] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4807] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4806] <... unlinkat resumed>) = 0 [pid 4805] <... futex resumed>) = 0 [pid 4804] <... futex resumed>) = 0 [pid 4810] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4809] <... close resumed>) = 0 [pid 4808] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4807] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4806] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4805] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4804] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4810] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4809] write(1, "executing program\n", 18 [pid 4808] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4807] <... futex resumed>) = 0 [pid 4806] <... futex resumed>) = 1 executing program [pid 4805] <... futex resumed>) = 0 [pid 4804] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4803] <... futex resumed>) = 0 [pid 4810] mount(NULL, "./config", "configfs", 0, NULL [pid 4809] <... write resumed>) = 18 [pid 4808] <... mmap resumed>) = 0x7f85c0c15000 [pid 4807] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4806] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4805] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4804] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4803] exit_group(0 [pid 4810] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4809] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4808] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4807] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4806] <... futex resumed>) = ? [pid 4804] <... futex resumed>) = 0 [pid 4803] <... exit_group resumed>) = ? [pid 4810] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4809] <... futex resumed>) = 0 [pid 4808] <... mprotect resumed>) = 0 [pid 4807] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4806] +++ exited with 0 +++ [pid 4804] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4803] +++ exited with 0 +++ [pid 4810] <... futex resumed>) = 1 [pid 4809] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4808] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4807] <... mkdirat resumed>) = 0 [pid 4805] <... futex resumed>) = 0 [pid 4810] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4809] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4808] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4807] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4805] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4803, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4810] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4809] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4808] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4807] <... futex resumed>) = 1 [pid 4805] <... futex resumed>) = 0 [pid 4804] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4810] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4809] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4807] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4805] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4804] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4810] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4809] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4808] <... clone3 resumed> => {parent_tid=[4811]}, 88) = 4811 [pid 4807] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4804] <... futex resumed>) = 0 [pid 4810] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4809] <... mmap resumed>) = 0x7f85c0c15000 [pid 4808] rt_sigprocmask(SIG_SETMASK, [] [pid 4807] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4804] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4810] <... futex resumed>) = 1 [pid 4809] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4808] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4807] <... symlinkat resumed>) = 0 [pid 4805] <... futex resumed>) = 0 [pid 4810] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4809] <... mprotect resumed>) = 0 [pid 4808] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4807] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4805] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4810] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4809] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4808] <... futex resumed>) = 0 [pid 4807] <... futex resumed>) = 1 [pid 4805] <... futex resumed>) = 0 [pid 4804] <... futex resumed>) = 0 [pid 4810] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4809] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4808] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4807] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4805] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4804] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4810] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4809] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4807] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4804] <... futex resumed>) = 0 [pid 4810] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4807] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4804] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4812 attached [pid 4810] <... futex resumed>) = 1 [pid 4809] <... clone3 resumed> => {parent_tid=[4812]}, 88) = 4812 [pid 4807] <... unlinkat resumed>) = 0 [pid 4805] <... futex resumed>) = 0 [pid 4810] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4809] rt_sigprocmask(SIG_SETMASK, [] [pid 4807] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4805] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4810] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4809] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4807] <... futex resumed>) = 1 [pid 4805] <... futex resumed>) = 0 [pid 4804] <... futex resumed>) = 0 [pid 4810] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4809] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4807] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4805] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4804] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4810] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4809] <... futex resumed>) = 0 [pid 4807] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4804] <... futex resumed>) = 0 [pid 4810] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4809] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4807] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4804] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4812] set_robust_list(0x7f85c0c359a0, 24 [pid 4810] <... futex resumed>) = 1 [pid 4807] <... unlinkat resumed>) = 0 [pid 4805] <... futex resumed>) = 0 [pid 4807] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4807] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 4811 attached [pid 4805] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4810] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4805] <... futex resumed>) = 0 [pid 4804] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4811] set_robust_list(0x7f85c0c359a0, 24 [pid 4810] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4804] exit_group(0 [pid 4810] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4805] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4810] <... futex resumed>) = 0 [pid 4807] <... futex resumed>) = ? [pid 4805] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4804] <... exit_group resumed>) = ? [pid 4810] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4807] +++ exited with 0 +++ [pid 4805] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4811] <... set_robust_list resumed>) = 0 [pid 4811] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4811] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4811] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4808] <... futex resumed>) = 0 [pid 4808] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4804] +++ exited with 0 +++ [pid 4808] <... futex resumed>) = 0 [pid 4805] <... futex resumed>) = 0 [pid 4810] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4808] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4805] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4804, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4810] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = -1 ENOENT (No such file or directory) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4810] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4811] <... futex resumed>) = 1 [pid 4810] <... futex resumed>) = 1 [pid 4805] <... futex resumed>) = 0 [pid 4810] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4805] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4810] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4805] <... futex resumed>) = 0 [pid 4810] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4805] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4812] <... set_robust_list resumed>) = 0 [pid 4810] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4811] mount(NULL, "./config", "configfs", 0, NULL [pid 4810] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4811] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4810] <... futex resumed>) = 1 [pid 4805] <... futex resumed>) = 0 [pid 4810] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4805] exit_group(0 [pid 4811] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4810] <... futex resumed>) = ? [pid 4805] <... exit_group resumed>) = ? [pid 4811] <... futex resumed>) = 1 [pid 4810] +++ exited with 0 +++ [pid 4808] <... futex resumed>) = 0 [pid 4811] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4808] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4811] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4808] <... futex resumed>) = 0 [pid 4811] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4808] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4811] <... futex resumed>) = 0 [pid 4808] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4811] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4808] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4811] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4808] <... futex resumed>) = 0 [pid 4805] +++ exited with 0 +++ [pid 4811] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4808] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... restart_syscall resumed>) = 0 [pid 4811] <... futex resumed>) = 0 [pid 4808] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] <... restart_syscall resumed>) = 0 [pid 4811] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4808] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4805, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4812] rt_sigprocmask(SIG_SETMASK, [] [pid 4811] <... mkdirat resumed>) = 0 [pid 4808] <... futex resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4811] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4808] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4811] <... futex resumed>) = 0 [pid 4808] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4812] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4811] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4808] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4811] <... symlinkat resumed>) = 0 [pid 4808] <... futex resumed>) = 0 [pid 4811] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4808] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4811] <... futex resumed>) = 0 [pid 4808] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4811] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4808] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4812] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4812] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4811] <... unlinkat resumed>) = 0 [pid 4808] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4813 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4811] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4808] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4811] <... futex resumed>) = 0 [pid 4808] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4811] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4808] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4811] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4808] <... futex resumed>) = 0 [pid 4811] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4808] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4812] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4814 attached [pid 4811] <... unlinkat resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4814 [pid 4812] <... futex resumed>) = 1 [pid 4811] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4809] <... futex resumed>) = 0 [pid 4811] <... futex resumed>) = 1 [pid 4809] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4808] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4812] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 4811] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4809] <... futex resumed>) = 0 [pid 4808] exit_group(0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4812] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4811] <... futex resumed>) = ? [pid 4809] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4808] <... exit_group resumed>) = ? [pid 4814] set_robust_list(0x5555810c5760, 24 [pid 4812] <... futex resumed>) = 0 [pid 4811] +++ exited with 0 +++ [pid 4809] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4808] +++ exited with 0 +++ [pid 4812] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4809] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4808, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4812] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4809] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 4813 attached [pid 4812] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4813] set_robust_list(0x5555810c5760, 24) = 0 [pid 4814] <... set_robust_list resumed>) = 0 [pid 4813] rt_sigprocmask(SIG_SETMASK, [] [pid 4812] <... futex resumed>) = 1 [pid 4809] <... futex resumed>) = 0 [pid 4813] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4812] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4809] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4813] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4812] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4809] <... futex resumed>) = 0 [pid 4814] rt_sigprocmask(SIG_SETMASK, [] [pid 4813] <... prctl resumed>) = 0 [pid 4813] setpgid(0, 0) = 0 [pid 4813] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4812] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4809] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4814] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4812] <... futex resumed>) = 0 [pid 4809] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4812] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4809] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4814] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4812] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4809] <... futex resumed>) = 0 [pid 4814] <... prctl resumed>) = 0 [pid 4812] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4809] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4813] write(3, "1000", 4) = 4 [pid 4813] close(3 [pid 4814] setpgid(0, 0 [pid 4812] <... mkdirat resumed>) = 0 [pid 4814] <... setpgid resumed>) = 0 [pid 4813] <... close resumed>) = 0 [pid 4812] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4809] <... futex resumed>) = 0 [pid 4814] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4812] <... futex resumed>) = 1 [pid 4809] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4812] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4809] <... futex resumed>) = 0 [pid 4813] write(1, "executing program\n", 18 [pid 4809] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4812] <... symlinkat resumed>) = 0 [pid 4814] <... openat resumed>) = 3 [pid 4812] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4813] <... write resumed>) = 18 [pid 4812] <... futex resumed>) = 1 [pid 4809] <... futex resumed>) = 0 executing program [pid 4814] write(3, "1000", 4 [pid 4812] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4809] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4812] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4809] <... futex resumed>) = 0 [pid 4814] <... write resumed>) = 4 [pid 4812] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4809] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4814] close(3 [pid 311] <... restart_syscall resumed>) = 0 [pid 4813] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4814] <... close resumed>) = 0 [pid 4812] <... unlinkat resumed>) = 0 [pid 4814] write(1, "executing program\n", 18 [pid 4812] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4813] <... futex resumed>) = 0 [pid 4814] <... write resumed>) = 18 [pid 4812] <... futex resumed>) = 1 [pid 4809] <... futex resumed>) = 0 [pid 4812] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL executing program [pid 4809] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4814] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4812] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4809] <... futex resumed>) = 0 [pid 4814] <... futex resumed>) = 0 [pid 4812] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4809] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4813] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4814] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4812] <... unlinkat resumed>) = 0 [pid 4813] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4813] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4813] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4813] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4814] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4813] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4812] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4813] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4814] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4813] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4812] <... futex resumed>) = 1 [pid 4809] <... futex resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4815 [pid 4814] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4812] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4809] exit_group(0 [pid 4814] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4813] <... clone3 resumed> => {parent_tid=[4816]}, 88) = 4816 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4809] <... exit_group resumed>) = ? [pid 4813] rt_sigprocmask(SIG_SETMASK, [] [pid 4812] <... futex resumed>) = ? [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4814] <... mmap resumed>) = 0x7f85c0c15000 [pid 4813] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4813] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4813] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4815 attached [pid 4815] set_robust_list(0x5555810c5760, 24) = 0 [pid 4815] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4812] +++ exited with 0 +++ [pid 4809] +++ exited with 0 +++ [pid 4814] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4815] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4814] <... mprotect resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4809, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4815] <... prctl resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4815] setpgid(0, 0 [pid 4814] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4815] <... setpgid resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4816 attached [pid 4815] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4814] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4815] <... openat resumed>) = 3 [pid 4814] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4816] set_robust_list(0x7f85c0c359a0, 24 [pid 4815] write(3, "1000", 4) = 4 [pid 4815] close(3) = 0 [pid 4815] write(1, "executing program\n", 18) = 18 [pid 4815] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 4814] <... clone3 resumed> => {parent_tid=[4817]}, 88) = 4817 [pid 4814] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4815] <... futex resumed>) = 0 [pid 4814] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4815] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4814] <... futex resumed>) = 0 [pid 4815] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4814] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... restart_syscall resumed>) = 0 [pid 4815] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4815] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4815] <... mmap resumed>) = 0x7f85c0c15000 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4815] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4815] <... mprotect resumed>) = 0 [pid 4815] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4815] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4818 [pid 304] <... restart_syscall resumed>) = 0 [pid 4815] <... clone3 resumed> => {parent_tid=[4819]}, 88) = 4819 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4815] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4815] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4815] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4815] <... futex resumed>) = 0 [pid 4815] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4817 attached [pid 4817] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4817] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4820 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4817] mkdirat(AT_FDCWD, "./config", 0777 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4817] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4816] <... set_robust_list resumed>) = 0 [pid 4817] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4814] <... futex resumed>) = 0 [pid 4816] rt_sigprocmask(SIG_SETMASK, [] [pid 4814] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4817] mount(NULL, "./config", "configfs", 0, NULL [pid 4816] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4814] <... futex resumed>) = 0 [pid 4817] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4816] mkdirat(AT_FDCWD, "./config", 0777 [pid 4814] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4817] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4816] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4817] <... futex resumed>) = 1 [pid 4816] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4814] <... futex resumed>) = 0 [pid 4817] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4814] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4816] <... futex resumed>) = 1 [pid 4813] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4819 attached ci2-android-5-15/strace-static-x86_64: Process 4818 attached [pid 4814] <... futex resumed>) = 0 [pid 4813] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4816] mount(NULL, "./config", "configfs", 0, NULL [pid 4814] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4813] <... futex resumed>) = 0 [pid 4813] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4816] <... mount resumed>) = -1 EBUSY (Device or resource busy) ci2-android-5-15/strace-static-x86_64: Process 4820 attached [pid 4820] set_robust_list(0x5555810c5760, 24) = 0 [pid 4819] set_robust_list(0x7f85c0c359a0, 24 [pid 4818] set_robust_list(0x5555810c5760, 24 [pid 4817] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4816] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4820] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4820] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4816] <... futex resumed>) = 1 [pid 4813] <... futex resumed>) = 0 [pid 4813] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4813] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4820] <... prctl resumed>) = 0 [pid 4820] setpgid(0, 0) = 0 [pid 4820] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4819] <... set_robust_list resumed>) = 0 [pid 4818] <... set_robust_list resumed>) = 0 [pid 4817] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4816] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4820] <... openat resumed>) = 3 [pid 4816] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4819] rt_sigprocmask(SIG_SETMASK, [] [pid 4818] rt_sigprocmask(SIG_SETMASK, [] [pid 4817] <... futex resumed>) = 1 [pid 4816] <... futex resumed>) = 1 [pid 4814] <... futex resumed>) = 0 [pid 4813] <... futex resumed>) = 0 [pid 4816] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4814] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4813] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4818] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4816] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4814] <... futex resumed>) = 0 [pid 4813] <... futex resumed>) = 0 [pid 4818] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4816] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4814] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4813] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4818] <... prctl resumed>) = 0 [pid 4816] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4820] write(3, "1000", 4 [pid 4818] setpgid(0, 0 [pid 4816] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4818] <... setpgid resumed>) = 0 [pid 4816] <... futex resumed>) = 1 [pid 4813] <... futex resumed>) = 0 [pid 4819] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4818] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4817] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4816] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4813] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4819] mkdirat(AT_FDCWD, "./config", 0777 [pid 4816] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4813] <... futex resumed>) = 0 [pid 4818] <... openat resumed>) = 3 [pid 4817] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4816] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4813] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4819] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4820] <... write resumed>) = 4 [pid 4820] close(3) = 0 [pid 4818] write(3, "1000", 4 [pid 4819] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4817] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4816] <... mkdirat resumed>) = 0 [pid 4820] write(1, "executing program\n", 18 [pid 4816] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4818] <... write resumed>) = 4 [pid 4819] <... futex resumed>) = 1 [pid 4817] <... futex resumed>) = 1 [pid 4816] <... futex resumed>) = 1 [pid 4815] <... futex resumed>) = 0 [pid 4814] <... futex resumed>) = 0 [pid 4813] <... futex resumed>) = 0 [pid 4819] mount(NULL, "./config", "configfs", 0, NULL [pid 4818] close(3 [pid 4817] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4816] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4815] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4814] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4813] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4818] <... close resumed>) = 0 [pid 4819] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4817] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4816] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4815] <... futex resumed>) = 0 [pid 4814] <... futex resumed>) = 0 [pid 4813] <... futex resumed>) = 0 [pid 4819] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4818] write(1, "executing program\n", 18 [pid 4817] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4816] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4815] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4814] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4813] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4819] <... futex resumed>) = 0 [pid 4818] <... write resumed>) = 18 [pid 4816] <... symlinkat resumed>) = 0 [pid 4815] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4816] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4818] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4815] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4816] <... futex resumed>) = 1 [pid 4815] <... futex resumed>) = 0 [pid 4813] <... futex resumed>) = 0 [pid 4819] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4818] <... futex resumed>) = 0 [pid 4816] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4815] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4813] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4820] <... write resumed>) = 18 [pid 4819] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4818] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4816] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4813] <... futex resumed>) = 0 [pid 4820] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4819] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4818] <... rt_sigaction resumed>, NULL, 8) = 0 executing program executing program [pid 4817] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4816] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4813] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4820] <... futex resumed>) = 0 [pid 4820] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4819] <... futex resumed>) = 1 [pid 4818] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4817] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4816] <... unlinkat resumed>) = 0 [pid 4815] <... futex resumed>) = 0 [pid 4820] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4819] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4818] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4817] <... futex resumed>) = 1 [pid 4816] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4815] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4814] <... futex resumed>) = 0 [pid 4820] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4819] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4818] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4817] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4816] <... futex resumed>) = 1 [pid 4815] <... futex resumed>) = 0 [pid 4814] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4813] <... futex resumed>) = 0 [pid 4820] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4819] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4818] <... mmap resumed>) = 0x7f85c0c15000 [pid 4817] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4816] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4815] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4814] <... futex resumed>) = 0 [pid 4813] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4820] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4819] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4818] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4817] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4816] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4814] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4813] <... futex resumed>) = 0 [pid 4820] <... mmap resumed>) = 0x7f85c0c15000 [pid 4819] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4818] <... mprotect resumed>) = 0 [pid 4817] <... symlinkat resumed>) = 0 [pid 4816] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4813] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4819] <... futex resumed>) = 1 [pid 4816] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 4815] <... futex resumed>) = 0 [pid 4818] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4817] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4820] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4819] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4818] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4816] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4815] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4820] <... mprotect resumed>) = 0 [pid 4819] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4818] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4817] <... futex resumed>) = 1 [pid 4816] <... futex resumed>) = 1 [pid 4815] <... futex resumed>) = 0 [pid 4814] <... futex resumed>) = 0 [pid 4813] <... futex resumed>) = 0 [pid 4820] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4819] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4816] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4815] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4814] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4813] exit_group(0 [pid 4820] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4819] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4817] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4816] <... futex resumed>) = ? [pid 4814] <... futex resumed>) = 0 [pid 4813] <... exit_group resumed>) = ? [pid 4820] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4819] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4818] <... clone3 resumed> => {parent_tid=[4821]}, 88) = 4821 [pid 4817] <... unlinkat resumed>) = 0 [pid 4816] +++ exited with 0 +++ [pid 4814] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4813] +++ exited with 0 +++ [pid 4818] rt_sigprocmask(SIG_SETMASK, [] [pid 4819] <... futex resumed>) = 1 [pid 4817] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4818] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4815] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4813, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4820] <... clone3 resumed> => {parent_tid=[4822]}, 88) = 4822 [pid 4819] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4818] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4817] <... futex resumed>) = 1 [pid 4815] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4814] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4820] rt_sigprocmask(SIG_SETMASK, [] [pid 4819] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4818] <... futex resumed>) = 0 [pid 4817] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4815] <... futex resumed>) = 0 [pid 4814] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4820] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4819] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4818] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4817] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4815] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4814] <... futex resumed>) = 0 [pid 4820] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4819] <... symlinkat resumed>) = 0 [pid 4817] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4814] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4820] <... futex resumed>) = 0 [pid 4819] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4817] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) ci2-android-5-15/strace-static-x86_64: Process 4822 attached [pid 4820] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4819] <... futex resumed>) = 1 [pid 4817] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4815] <... futex resumed>) = 0 [pid 4819] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4817] <... futex resumed>) = 1 [pid 4815] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4814] <... futex resumed>) = 0 [pid 4819] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4817] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4815] <... futex resumed>) = 0 [pid 4819] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4815] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4814] exit_group(0 [pid 4819] <... unlinkat resumed>) = 0 [pid 4817] <... futex resumed>) = ? [pid 4819] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4814] <... exit_group resumed>) = ? [pid 4817] +++ exited with 0 +++ [pid 4822] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4822] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4822] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4822] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4814] +++ exited with 0 +++ [pid 4822] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4819] <... futex resumed>) = 1 [pid 4815] <... futex resumed>) = 0 [pid 4815] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4814, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4819] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4820] <... futex resumed>) = 0 [pid 4815] <... futex resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4820] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4819] <... unlinkat resumed>) = 0 [pid 4815] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4821 attached [pid 4822] <... futex resumed>) = 0 [pid 4820] <... futex resumed>) = 1 [pid 4819] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4815] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4822] mount(NULL, "./config", "configfs", 0, NULL [pid 4821] set_robust_list(0x7f85c0c359a0, 24 [pid 4820] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4819] <... futex resumed>) = 0 [pid 4815] exit_group(0 [pid 4822] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4821] <... set_robust_list resumed>) = 0 [pid 4815] <... exit_group resumed>) = ? [pid 4822] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4821] rt_sigprocmask(SIG_SETMASK, [] [pid 4819] +++ exited with 0 +++ [pid 4815] +++ exited with 0 +++ [pid 4822] <... futex resumed>) = 1 [pid 4820] <... futex resumed>) = 0 [pid 4820] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4822] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4815, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4820] <... futex resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4820] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4822] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4821] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4821] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4821] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4818] <... futex resumed>) = 0 [pid 4822] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4818] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4821] mount(NULL, "./config", "configfs", 0, NULL [pid 4818] <... futex resumed>) = 0 [pid 4822] <... futex resumed>) = 1 [pid 4820] <... futex resumed>) = 0 [pid 4822] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4820] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4818] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4822] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4820] <... futex resumed>) = 0 [pid 4822] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4821] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4820] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4821] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4818] <... futex resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 4818] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4821] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4818] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4821] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4821] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4821] <... futex resumed>) = 1 [pid 4818] <... futex resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4818] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4821] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4821] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4821] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL) = 0 [pid 4818] <... futex resumed>) = 1 ci2-android-5-15/strace-static-x86_64: Process 4823 attached [pid 4822] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4821] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4818] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4823 [pid 4823] set_robust_list(0x5555810c5760, 24 [pid 4822] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4818] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4823] <... set_robust_list resumed>) = 0 [pid 4822] <... futex resumed>) = 1 [pid 4820] <... futex resumed>) = 0 [pid 4818] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4822] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4821] <... futex resumed>) = 0 [pid 4820] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4818] <... futex resumed>) = 1 [pid 4823] rt_sigprocmask(SIG_SETMASK, [] [pid 4822] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4821] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4820] <... futex resumed>) = 0 [pid 4818] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4823] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4822] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4821] <... mkdirat resumed>) = 0 [pid 4820] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4822] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4821] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4823] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4822] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4821] <... futex resumed>) = 1 [pid 4818] <... futex resumed>) = 0 [pid 4823] <... prctl resumed>) = 0 [pid 4822] <... futex resumed>) = 1 [pid 4821] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4820] <... futex resumed>) = 0 [pid 4818] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4823] setpgid(0, 0 [pid 4822] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4821] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4820] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4818] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4823] <... setpgid resumed>) = 0 [pid 4822] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4821] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4820] <... futex resumed>) = 0 [pid 4818] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4823] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4822] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4821] <... symlinkat resumed>) = 0 [pid 4820] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4823] <... openat resumed>) = 3 [pid 4822] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4821] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4823] write(3, "1000", 4ci2-android-5-15/strace-static-x86_64: Process 4824 attached ) = 4 [pid 4822] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4821] <... futex resumed>) = 1 [pid 4818] <... futex resumed>) = 0 [pid 4824] set_robust_list(0x5555810c5760, 24 [pid 4823] close(3 [pid 4822] <... futex resumed>) = 1 [pid 4821] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4820] <... futex resumed>) = 0 [pid 4818] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4824 [pid 4824] <... set_robust_list resumed>) = 0 [pid 4823] <... close resumed>) = 0 [pid 4822] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4821] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4820] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4818] <... futex resumed>) = 0 [pid 4823] write(1, "executing program\n", 18 [pid 4822] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4824] rt_sigprocmask(SIG_SETMASK, [] [pid 4821] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4820] <... futex resumed>) = 0 [pid 4818] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} executing program [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4824] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4823] <... write resumed>) = 18 [pid 4822] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4821] <... unlinkat resumed>) = 0 [pid 4820] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4822] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4821] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4822] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4823] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4821] <... futex resumed>) = 1 [pid 4818] <... futex resumed>) = 0 [pid 4822] <... futex resumed>) = 1 [pid 4824] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4823] <... futex resumed>) = 0 [pid 4822] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4821] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4820] <... futex resumed>) = 0 [pid 4818] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4824] <... prctl resumed>) = 0 [pid 4823] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4821] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4820] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4818] <... futex resumed>) = 0 [pid 4824] setpgid(0, 0 [pid 4823] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4822] <... futex resumed>) = 0 [pid 4821] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4820] <... futex resumed>) = 1 [pid 4818] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4824] <... setpgid resumed>) = 0 [pid 4823] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4822] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4823] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4821] <... unlinkat resumed>) = 0 [pid 4820] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4823] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4822] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4821] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4823] <... mmap resumed>) = 0x7f85c0c15000 [pid 4822] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4823] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4821] <... futex resumed>) = 1 [pid 4818] <... futex resumed>) = 0 [pid 4822] <... futex resumed>) = 1 [pid 4824] <... openat resumed>) = 3 [pid 4823] <... mprotect resumed>) = 0 [pid 4822] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4821] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4820] <... futex resumed>) = 0 [pid 4818] exit_group(0 [pid 4824] write(3, "1000", 4 [pid 4823] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4821] <... futex resumed>) = ? [pid 4820] exit_group(0 [pid 4818] <... exit_group resumed>) = ? [pid 4824] <... write resumed>) = 4 [pid 4823] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4822] <... futex resumed>) = ? [pid 4821] +++ exited with 0 +++ [pid 4820] <... exit_group resumed>) = ? [pid 4818] +++ exited with 0 +++ [pid 311] <... restart_syscall resumed>) = 0 [pid 4824] close(3 [pid 4823] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4822] +++ exited with 0 +++ [pid 4823] <... clone3 resumed> => {parent_tid=[4825]}, 88) = 4825 [pid 4823] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4823] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4823] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4825 attached [pid 4820] +++ exited with 0 +++ [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4818, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4820, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4824] <... close resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4825] set_robust_list(0x7f85c0c359a0, 24 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4824] write(1, "executing program\n", 18 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4825] <... set_robust_list resumed>) = 0 [pid 4825] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4825] mkdirat(AT_FDCWD, "./config", 0777 [pid 4824] <... write resumed>) = 18 executing program [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4826 [pid 4825] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4825] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4824] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4823] <... futex resumed>) = 0 [pid 4824] <... futex resumed>) = 0 [pid 4823] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4823] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4825] <... futex resumed>) = 1 [pid 4824] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4825] mount(NULL, "./config", "configfs", 0, NULL [pid 4824] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4824] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4824] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4824] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4825] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4825] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4823] <... futex resumed>) = 0 [pid 4823] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4823] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4824] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4825] <... futex resumed>) = 1 [pid 4824] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4825] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4824] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4825] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4825] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4824] <... clone3 resumed> => {parent_tid=[4827]}, 88) = 4827 [pid 4824] rt_sigprocmask(SIG_SETMASK, [] [pid 4823] <... futex resumed>) = 0 [pid 4824] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4823] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4824] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4823] <... futex resumed>) = 0 [pid 4824] <... futex resumed>) = 0 [pid 4823] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4824] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4825] <... futex resumed>) = 1 [pid 4825] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4825] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4823] <... futex resumed>) = 0 [pid 4823] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... restart_syscall resumed>) = 0 [pid 4823] <... futex resumed>) = 0 [pid 4823] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4825] <... futex resumed>) = 1 [pid 4825] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777ci2-android-5-15/strace-static-x86_64: Process 4827 attached ) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4825] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4823] <... futex resumed>) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4827] set_robust_list(0x7f85c0c359a0, 24 [pid 4823] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4823] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4825] <... futex resumed>) = 1 [pid 4825] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 304] <... restart_syscall resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4828 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 4828 attached ci2-android-5-15/strace-static-x86_64: Process 4829 attached [pid 4827] <... set_robust_list resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4829 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4827] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4829] set_robust_list(0x5555810c5760, 24 [pid 4828] set_robust_list(0x5555810c5760, 24 [pid 4827] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4825] <... symlinkat resumed>) = 0 [pid 4825] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4823] <... futex resumed>) = 0 [pid 4823] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4823] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4825] <... futex resumed>) = 1 [pid 4825] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4827] mkdirat(AT_FDCWD, "./config", 0777 [pid 4825] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4823] <... futex resumed>) = 0 [pid 4823] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4823] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4828] <... set_robust_list resumed>) = 0 [pid 4827] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4829] <... set_robust_list resumed>) = 0 [pid 4825] <... futex resumed>) = 1 [pid 4825] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4827] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4825] <... unlinkat resumed>) = 0 [pid 4827] <... futex resumed>) = 1 [pid 4825] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4824] <... futex resumed>) = 0 [pid 4825] <... futex resumed>) = 1 [pid 4823] <... futex resumed>) = 0 [pid 4825] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4823] exit_group(0 [pid 4825] <... futex resumed>) = ? [pid 4823] <... exit_group resumed>) = ? [pid 4829] rt_sigprocmask(SIG_SETMASK, [] [pid 4828] rt_sigprocmask(SIG_SETMASK, [] [pid 4827] mount(NULL, "./config", "configfs", 0, NULL [pid 4825] +++ exited with 0 +++ [pid 4824] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4823] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 4826 attached [pid 4824] <... futex resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4823, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4827] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4826] set_robust_list(0x5555810c5760, 24 [pid 4824] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4827] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4826] <... set_robust_list resumed>) = 0 [pid 4826] rt_sigprocmask(SIG_SETMASK, [] [pid 4827] <... futex resumed>) = 1 [pid 4824] <... futex resumed>) = 0 [pid 4827] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4826] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4824] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4827] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4826] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4824] <... futex resumed>) = 0 [pid 4827] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4824] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4827] <... futex resumed>) = 0 [pid 4824] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4827] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 4824] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4827] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4824] <... futex resumed>) = 0 [pid 4827] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4824] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4827] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4824] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4827] <... futex resumed>) = 0 [pid 4824] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4827] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4824] <... futex resumed>) = 0 [pid 4826] <... prctl resumed>) = 0 [pid 4826] setpgid(0, 0 [pid 4827] <... mkdirat resumed>) = 0 [pid 4824] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4827] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4824] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4827] <... futex resumed>) = 0 [pid 4824] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4827] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4824] <... futex resumed>) = 0 [pid 4826] <... setpgid resumed>) = 0 [pid 4827] <... symlinkat resumed>) = 0 [pid 4826] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4824] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4827] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4824] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4828] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4827] <... futex resumed>) = 0 [pid 4824] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4827] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4824] <... futex resumed>) = 0 [pid 4829] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4827] <... unlinkat resumed>) = 0 [pid 4826] <... openat resumed>) = 3 [pid 4824] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4828] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4827] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4824] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4828] <... prctl resumed>) = 0 [pid 4827] <... futex resumed>) = 0 [pid 4824] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4828] setpgid(0, 0 [pid 4827] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4824] <... futex resumed>) = 0 [pid 4829] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4826] write(3, "1000", 4 [pid 4828] <... setpgid resumed>) = 0 [pid 4827] <... unlinkat resumed>) = 0 [pid 4824] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4829] <... prctl resumed>) = 0 [pid 4828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4827] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4826] <... write resumed>) = 4 [pid 4824] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4827] <... futex resumed>) = 0 [pid 4824] exit_group(0 [pid 4827] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4828] <... openat resumed>) = 3 [pid 4824] <... exit_group resumed>) = ? [pid 4827] <... futex resumed>) = ? [pid 4829] setpgid(0, 0 [pid 4826] close(3 [pid 4829] <... setpgid resumed>) = 0 [pid 4826] <... close resumed>) = 0 [pid 4829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4826] write(1, "executing program\n", 18 [pid 4829] <... openat resumed>) = 3 [pid 4826] <... write resumed>) = 18 [pid 4829] write(3, "1000", 4 [pid 4827] +++ exited with 0 +++ [pid 4826] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4824] +++ exited with 0 +++ executing program [pid 4828] write(3, "1000", 4 [pid 312] <... restart_syscall resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4824, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4829] <... write resumed>) = 4 [pid 4826] <... futex resumed>) = 0 [pid 4829] close(3 [pid 4826] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4828] <... write resumed>) = 4 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4829] <... close resumed>) = 0 [pid 4828] close(3 [pid 4826] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4829] write(1, "executing program\n", 18 [pid 4826] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4828] <... close resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4829] <... write resumed>) = 18 [pid 4826] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4829] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4826] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4829] <... futex resumed>) = 0 [pid 4826] <... mmap resumed>) = 0x7f85c0c15000 [pid 4829] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} executing program executing program [pid 4828] write(1, "executing program\n", 18 [pid 4826] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4829] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4826] <... mprotect resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4830 [pid 4829] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4828] <... write resumed>) = 18 [pid 4826] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4829] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4826] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4829] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4826] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4829] <... mmap resumed>) = 0x7f85c0c15000 [pid 4828] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4829] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4826] <... clone3 resumed> => {parent_tid=[4831]}, 88) = 4831 ci2-android-5-15/strace-static-x86_64: Process 4830 attached [pid 4829] <... mprotect resumed>) = 0 [pid 4828] <... futex resumed>) = 0 [pid 4826] rt_sigprocmask(SIG_SETMASK, [] [pid 4829] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4828] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4826] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4829] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4828] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4826] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4830] set_robust_list(0x5555810c5760, 24 [pid 4829] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4828] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4826] <... futex resumed>) = 0 [pid 4828] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4826] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4832 attached [pid 4830] <... set_robust_list resumed>) = 0 [pid 4829] <... clone3 resumed> => {parent_tid=[4832]}, 88) = 4832 ci2-android-5-15/strace-static-x86_64: Process 4831 attached [pid 4831] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4831] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4831] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4832] set_robust_list(0x7f85c0c359a0, 24 [pid 4830] rt_sigprocmask(SIG_SETMASK, [] [pid 4829] rt_sigprocmask(SIG_SETMASK, [] [pid 4828] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4831] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4826] <... futex resumed>) = 0 [pid 4826] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4826] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4831] <... futex resumed>) = 1 [pid 4831] mount(NULL, "./config", "configfs", 0, NULL [pid 4832] <... set_robust_list resumed>) = 0 [pid 4830] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4829] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4828] <... mmap resumed>) = 0x7f85c0c15000 [pid 4831] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4828] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4831] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4826] <... futex resumed>) = 0 [pid 4826] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4826] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4829] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4828] <... mprotect resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4830] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4831] <... futex resumed>) = 1 [pid 4831] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4831] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4828] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4828] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4828] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4826] <... futex resumed>) = 0 [pid 4826] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4826] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4831] <... futex resumed>) = 1 [pid 4831] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4833 [pid 4828] <... clone3 resumed> => {parent_tid=[4834]}, 88) = 4834 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4828] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4828] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4831] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4828] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4826] <... futex resumed>) = 0 [pid 4828] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4826] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4826] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4831] <... futex resumed>) = 1 [pid 4831] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4832] rt_sigprocmask(SIG_SETMASK, [] [pid 4831] <... mkdirat resumed>) = 0 [pid 4830] <... prctl resumed>) = 0 [pid 4829] <... futex resumed>) = 0 [pid 4831] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4826] <... futex resumed>) = 0 [pid 4826] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4826] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4831] <... futex resumed>) = 1 [pid 4829] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4830] setpgid(0, 0 [pid 4831] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4830] <... setpgid resumed>) = 0 [pid 4831] <... symlinkat resumed>) = 0 [pid 4830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4831] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4826] <... futex resumed>) = 0 [pid 4826] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4826] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4831] <... futex resumed>) = 1 [pid 4831] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4832] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4831] <... unlinkat resumed>) = 0 [pid 4830] <... openat resumed>) = 3 [pid 4831] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4826] <... futex resumed>) = 0 [pid 4826] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4826] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4831] <... futex resumed>) = 1 [pid 4830] write(3, "1000", 4 [pid 4831] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4832] mkdirat(AT_FDCWD, "./config", 0777 [pid 4831] <... unlinkat resumed>) = 0 [pid 4830] <... write resumed>) = 4 [pid 4831] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4826] <... futex resumed>) = 0 [pid 4826] exit_group(0) = ? [pid 4830] close(3 [pid 4832] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4831] <... futex resumed>) = ? [pid 4832] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4831] +++ exited with 0 +++ [pid 4830] <... close resumed>) = 0 [pid 4826] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 4833 attached [pid 4830] write(1, "executing program\n", 18 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4826, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 4833] set_robust_list(0x5555810c5760, 24 [pid 4830] <... write resumed>) = 18 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 4834 attached [pid 4830] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4834] set_robust_list(0x7f85c0c359a0, 24 [pid 4830] <... futex resumed>) = 0 [pid 4833] <... set_robust_list resumed>) = 0 [pid 4830] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4834] <... set_robust_list resumed>) = 0 [pid 4830] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4833] rt_sigprocmask(SIG_SETMASK, [] [pid 4830] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4834] rt_sigprocmask(SIG_SETMASK, [] [pid 4830] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4830] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4830] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4834] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4830] <... mprotect resumed>) = 0 [pid 4834] mkdirat(AT_FDCWD, "./config", 0777 [pid 4833] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4830] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4832] <... futex resumed>) = 1 [pid 4830] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4829] <... futex resumed>) = 0 [pid 4832] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4830] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4829] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4834] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4833] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4829] <... futex resumed>) = 0 [pid 4832] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4834] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4833] <... prctl resumed>) = 0 [pid 4830] <... clone3 resumed> => {parent_tid=[4835]}, 88) = 4835 [pid 4829] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4834] <... futex resumed>) = 1 [pid 4833] setpgid(0, 0 [pid 4832] mount(NULL, "./config", "configfs", 0, NULL [pid 4830] rt_sigprocmask(SIG_SETMASK, [] [pid 4828] <... futex resumed>) = 0 [pid 4834] mount(NULL, "./config", "configfs", 0, NULL [pid 4833] <... setpgid resumed>) = 0 [pid 4830] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4828] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4834] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4832] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4830] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4828] <... futex resumed>) = 0 [pid 4832] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4830] <... futex resumed>) = 0 [pid 4828] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4830] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4829] <... futex resumed>) = 0 [pid 4832] <... futex resumed>) = 1 [pid 4829] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4834] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4833] <... openat resumed>) = 3 [pid 4832] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4829] <... futex resumed>) = 0 [pid 4834] <... futex resumed>) = 1 [pid 4833] write(3, "1000", 4 [pid 4829] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4828] <... futex resumed>) = 0 [pid 4832] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4828] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4834] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4833] <... write resumed>) = 4 [pid 4832] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4828] <... futex resumed>) = 0 [pid 4834] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4833] close(3 [pid 4832] <... futex resumed>) = 1 [pid 4829] <... futex resumed>) = 0 [pid 4828] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4832] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4829] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4834] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4833] <... close resumed>) = 0 [pid 4829] <... futex resumed>) = 0 [pid 4832] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4829] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4834] <... futex resumed>) = 1 [pid 4833] write(1, "executing program\n", 18 [pid 4832] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4828] <... futex resumed>) = 0 [pid 4834] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL executing program [pid 4833] <... write resumed>) = 18 [pid 4832] <... futex resumed>) = 1 [pid 4829] <... futex resumed>) = 0 [pid 4828] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4834] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4833] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4832] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4829] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4828] <... futex resumed>) = 0 [pid 4834] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4833] <... futex resumed>) = 0 [pid 4832] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4829] <... futex resumed>) = 0 [pid 4828] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4834] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4833] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4832] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4829] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4834] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4833] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4834] <... futex resumed>) = 1 [pid 4833] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4828] <... futex resumed>) = 0 [pid 4834] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4833] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4832] <... mkdirat resumed>) = 0 [pid 4828] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4835 attached [pid 4834] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4833] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4832] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4828] <... futex resumed>) = 0 [pid 4835] set_robust_list(0x7f85c0c359a0, 24 [pid 4834] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4833] <... mmap resumed>) = 0x7f85c0c15000 [pid 4832] <... futex resumed>) = 1 [pid 4829] <... futex resumed>) = 0 [pid 4828] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4835] <... set_robust_list resumed>) = 0 [pid 4834] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4833] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4832] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4829] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4835] rt_sigprocmask(SIG_SETMASK, [] [pid 4834] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4833] <... mprotect resumed>) = 0 [pid 4832] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4829] <... futex resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 4835] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4834] <... futex resumed>) = 1 [pid 4829] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4828] <... futex resumed>) = 0 [pid 4835] mkdirat(AT_FDCWD, "./config", 0777 [pid 4834] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4833] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4832] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4828] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4835] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4834] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4833] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4828] <... futex resumed>) = 0 [pid 4835] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4834] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4833] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4832] <... symlinkat resumed>) = 0 [pid 4828] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4835] <... futex resumed>) = 1 [pid 4834] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4832] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4830] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4835] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4834] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4833] <... clone3 resumed> => {parent_tid=[4836]}, 88) = 4836 [pid 4832] <... futex resumed>) = 1 [pid 4830] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4829] <... futex resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4835] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4834] <... futex resumed>) = 1 [pid 4833] rt_sigprocmask(SIG_SETMASK, [] [pid 4832] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4830] <... futex resumed>) = 0 [pid 4829] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4828] <... futex resumed>) = 0 [pid 4835] mount(NULL, "./config", "configfs", 0, NULL [pid 4834] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4828] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4835] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4834] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4828] <... futex resumed>) = 0 [pid 4829] <... futex resumed>) = 0 [pid 4835] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4834] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4833] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4832] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4830] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4829] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4828] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4837 [pid 4835] <... futex resumed>) = 0 [pid 4834] <... unlinkat resumed>) = 0 [pid 4833] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4832] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4830] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4835] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4834] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4833] <... futex resumed>) = 0 [pid 4832] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4830] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4835] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4834] <... futex resumed>) = 1 [pid 4833] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4832] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4830] <... futex resumed>) = 0 [pid 4828] <... futex resumed>) = 0 [pid 4835] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4834] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4832] <... futex resumed>) = 1 [pid 4830] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4829] <... futex resumed>) = 0 [pid 4828] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4835] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4834] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4832] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4829] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4828] <... futex resumed>) = 0 [pid 4835] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4834] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4832] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4829] <... futex resumed>) = 0 [pid 4828] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4837 attached [pid 4835] <... futex resumed>) = 1 [pid 4834] <... unlinkat resumed>) = 0 [pid 4832] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4830] <... futex resumed>) = 0 [pid 4829] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4836 attached [pid 4837] set_robust_list(0x5555810c5760, 24 [pid 4835] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4834] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4832] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4830] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4836] set_robust_list(0x7f85c0c359a0, 24 [pid 4835] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4834] <... futex resumed>) = 1 [pid 4832] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4830] <... futex resumed>) = 0 [pid 4828] <... futex resumed>) = 0 [pid 4837] <... set_robust_list resumed>) = 0 [pid 4836] <... set_robust_list resumed>) = 0 [pid 4835] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4834] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4832] <... futex resumed>) = 1 [pid 4830] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4829] <... futex resumed>) = 0 [pid 4837] rt_sigprocmask(SIG_SETMASK, [] [pid 4836] rt_sigprocmask(SIG_SETMASK, [] [pid 4835] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4832] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4829] exit_group(0 [pid 4828] exit_group(0 [pid 4837] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4836] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4835] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4834] <... futex resumed>) = ? [pid 4832] <... futex resumed>) = ? [pid 4829] <... exit_group resumed>) = ? [pid 4828] <... exit_group resumed>) = ? [pid 4837] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4836] mkdirat(AT_FDCWD, "./config", 0777 [pid 4835] <... futex resumed>) = 1 [pid 4834] +++ exited with 0 +++ [pid 4832] +++ exited with 0 +++ [pid 4830] <... futex resumed>) = 0 [pid 4829] +++ exited with 0 +++ [pid 4828] +++ exited with 0 +++ [pid 4837] <... prctl resumed>) = 0 [pid 4836] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4835] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4830] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4836] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4835] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4830] <... futex resumed>) = 0 [pid 4837] setpgid(0, 0 [pid 4836] <... futex resumed>) = 1 [pid 4835] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4833] <... futex resumed>) = 0 [pid 4830] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4828, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4829, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4837] <... setpgid resumed>) = 0 [pid 4836] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4835] <... mkdirat resumed>) = 0 [pid 4835] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4835] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4833] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4830] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4836] <... futex resumed>) = 0 [pid 4833] <... futex resumed>) = 1 [pid 4830] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4836] mount(NULL, "./config", "configfs", 0, NULL [pid 4833] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4837] <... openat resumed>) = 3 [pid 4836] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4835] <... futex resumed>) = 0 [pid 4830] <... futex resumed>) = 1 [pid 4836] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4835] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4830] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4837] write(3, "1000", 4 [pid 4836] <... futex resumed>) = 1 [pid 4835] <... symlinkat resumed>) = 0 [pid 4833] <... futex resumed>) = 0 [pid 4836] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4835] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4833] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4837] <... write resumed>) = 4 [pid 4836] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4835] <... futex resumed>) = 1 [pid 4830] <... futex resumed>) = 0 [pid 4837] close(3 [pid 4836] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4835] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4833] <... futex resumed>) = 0 [pid 4830] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4837] <... close resumed>) = 0 [pid 4836] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4835] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 4833] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4830] <... futex resumed>) = 0 [pid 4837] write(1, "executing program\n", 18 [pid 4836] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4835] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4833] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4830] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4837] <... write resumed>) = 18 [pid 4836] <... futex resumed>) = 0 [pid 4835] <... unlinkat resumed>) = 0 [pid 4833] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4837] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4836] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4835] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4833] <... futex resumed>) = 0 [pid 4837] <... futex resumed>) = 0 [pid 4836] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4835] <... futex resumed>) = 1 [pid 4833] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4830] <... futex resumed>) = 0 [pid 4837] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4836] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4835] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4833] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4830] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4837] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4836] <... futex resumed>) = 0 [pid 4835] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4833] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4830] <... futex resumed>) = 0 [pid 4837] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4836] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4835] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4833] <... futex resumed>) = 0 [pid 4830] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4837] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4836] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4835] <... unlinkat resumed>) = 0 [pid 4833] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4837] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4836] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4835] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4837] <... mmap resumed>) = 0x7f85c0c15000 [pid 4836] <... futex resumed>) = 0 [pid 4835] <... futex resumed>) = 1 [pid 4833] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4830] <... futex resumed>) = 0 [pid 4837] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4836] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4835] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4833] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4837] <... mprotect resumed>) = 0 [pid 4836] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4833] <... futex resumed>) = 0 [pid 4830] exit_group(0 [pid 4837] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4836] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4833] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4835] <... futex resumed>) = ? [pid 4830] <... exit_group resumed>) = ? [pid 4837] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4836] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4835] +++ exited with 0 +++ [pid 4836] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4836] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4837] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0}ci2-android-5-15/strace-static-x86_64: Process 4838 attached [pid 4833] <... futex resumed>) = 0 [pid 4830] +++ exited with 0 +++ [pid 4837] <... clone3 resumed> => {parent_tid=[4838]}, 88) = 4838 [pid 4833] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4838] set_robust_list(0x7f85c0c359a0, 24 [pid 4837] rt_sigprocmask(SIG_SETMASK, [] [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4830, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4833] <... futex resumed>) = 1 [pid 4838] <... set_robust_list resumed>) = 0 [pid 4837] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4836] <... futex resumed>) = 0 [pid 4833] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4838] rt_sigprocmask(SIG_SETMASK, [] [pid 4837] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4836] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 4838] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4837] <... futex resumed>) = 0 [pid 4836] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4837] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4836] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4833] <... futex resumed>) = 0 [pid 4836] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4833] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4838] mkdirat(AT_FDCWD, "./config", 0777 [pid 4836] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4833] <... futex resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4838] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4836] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4833] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4838] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4836] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4838] <... futex resumed>) = 1 ci2-android-5-15/strace-static-x86_64: Process 4839 attached [pid 4838] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4837] <... futex resumed>) = 0 [pid 4836] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4837] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4836] <... futex resumed>) = 1 [pid 4837] <... futex resumed>) = 0 [pid 4836] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4833] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4839 [pid 4837] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4833] exit_group(0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4836] <... futex resumed>) = ? [pid 4833] <... exit_group resumed>) = ? [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4836] +++ exited with 0 +++ [pid 4838] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4838] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 4838] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4837] <... futex resumed>) = 0 [pid 4838] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4837] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4838] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4837] <... futex resumed>) = 0 [pid 4833] +++ exited with 0 +++ [pid 4838] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4837] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... restart_syscall resumed>) = 0 [pid 4838] <... futex resumed>) = 0 [pid 4837] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4833, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... restart_syscall resumed>) = 0 [pid 4838] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4837] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4839] set_robust_list(0x5555810c5760, 24 [pid 4838] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4837] <... futex resumed>) = 0 [pid 4837] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4839] <... set_robust_list resumed>) = 0 [pid 4838] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4837] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4838] <... futex resumed>) = 0 [pid 4837] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4838] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4837] <... futex resumed>) = 0 [pid 4839] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4837] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4840 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4839] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4839] <... prctl resumed>) = 0 [pid 4839] setpgid(0, 0) = 0 [pid 4839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4839] <... openat resumed>) = 3 [pid 4838] <... mkdirat resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4841 [pid 4838] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4839] write(3, "1000", 4 [pid 4837] <... futex resumed>) = 0 [pid 4838] <... futex resumed>) = 1 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4838] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4837] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4837] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4837] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4838] <... symlinkat resumed>) = 0 [pid 4839] <... write resumed>) = 4 [pid 4839] close(3) = 0 [pid 4839] write(1, "executing program\n", 18) = 18 [pid 4839] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4839] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4838] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4839] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4842 [pid 4837] <... futex resumed>) = 0 [pid 4838] <... futex resumed>) = 1 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4838] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4837] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4837] <... futex resumed>) = 0 [pid 4837] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4838] <... unlinkat resumed>) = 0 [pid 4839] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] executing program [pid 4838] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4839] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4838] <... futex resumed>) = 1 [pid 4837] <... futex resumed>) = 0 [pid 4838] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4837] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4838] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4837] <... futex resumed>) = 0 [pid 4838] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4837] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4840 attached [pid 4839] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4838] <... unlinkat resumed>) = 0 [pid 4840] set_robust_list(0x5555810c5760, 24 [pid 4839] <... mmap resumed>) = 0x7f85c0c15000 [pid 4838] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4840] <... set_robust_list resumed>) = 0 [pid 4839] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4838] <... futex resumed>) = 1 [pid 4837] <... futex resumed>) = 0 [pid 4838] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4837] exit_group(0 [pid 4840] rt_sigprocmask(SIG_SETMASK, [] [pid 4839] <... mprotect resumed>) = 0 [pid 4838] <... futex resumed>) = ? [pid 4837] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 4841 attached [pid 4840] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4839] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4840] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4839] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4840] <... prctl resumed>) = 0 [pid 4839] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4840] setpgid(0, 0) = 0 [pid 4839] <... clone3 resumed> => {parent_tid=[4843]}, 88) = 4843 [pid 4838] +++ exited with 0 +++ [pid 4837] +++ exited with 0 +++ [pid 4840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4839] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 4843 attached [pid 4841] set_robust_list(0x5555810c5760, 24 [pid 4840] <... openat resumed>) = 3 [pid 4839] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4837, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4840] write(3, "1000", 4 [pid 4839] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4840] <... write resumed>) = 4 [pid 4839] <... futex resumed>) = 0 [pid 4840] close(3 [pid 4839] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4840] <... close resumed>) = 0 [pid 4840] write(1, "executing program\n", 18) = 18 [pid 4840] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4840] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}ci2-android-5-15/strace-static-x86_64: Process 4842 attached , NULL, 8) = 0 [pid 4842] set_robust_list(0x5555810c5760, 24 [pid 4840] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4842] <... set_robust_list resumed>) = 0 [pid 4840] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 4842] rt_sigprocmask(SIG_SETMASK, [] [pid 4840] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4842] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4840] <... mmap resumed>) = 0x7f85c0c15000 [pid 4842] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4841] <... set_robust_list resumed>) = 0 [pid 4840] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 311] <... restart_syscall resumed>) = 0 [pid 4843] set_robust_list(0x7f85c0c359a0, 24 [pid 4840] <... mprotect resumed>) = 0 [pid 4840] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4841] rt_sigprocmask(SIG_SETMASK, [] [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4840] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4841] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4841] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4840] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4840] <... clone3 resumed> => {parent_tid=[4844]}, 88) = 4844 [pid 4841] <... prctl resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4845 [pid 4840] rt_sigprocmask(SIG_SETMASK, [] [pid 4841] setpgid(0, 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4841] <... setpgid resumed>) = 0 [pid 4840] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4840] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4840] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4844 attached [pid 4844] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4844] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4844] mkdirat(AT_FDCWD, "./config", 0777 [pid 4841] <... openat resumed>) = 3 [pid 4844] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4841] write(3, "1000", 4 [pid 4844] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4841] <... write resumed>) = 4 [pid 4840] <... futex resumed>) = 0 [pid 4840] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4840] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4843] <... set_robust_list resumed>) = 0 [pid 4842] <... prctl resumed>) = 0 [pid 4841] close(3 [pid 4844] <... futex resumed>) = 1 [pid 4841] <... close resumed>) = 0 [pid 4843] rt_sigprocmask(SIG_SETMASK, [] [pid 4842] setpgid(0, 0 [pid 4841] write(1, "executing program\n", 18 executing program [pid 4844] mount(NULL, "./config", "configfs", 0, NULL [pid 4842] <... setpgid resumed>) = 0 [pid 4841] <... write resumed>) = 18 [pid 4843] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4841] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4841] <... futex resumed>) = 0 [pid 4843] mkdirat(AT_FDCWD, "./config", 0777 [pid 4844] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4842] <... openat resumed>) = 3 [pid 4841] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4843] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4841] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4842] write(3, "1000", 4 [pid 4843] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4841] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4842] <... write resumed>) = 4 [pid 4841] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4845 attached [pid 4843] <... futex resumed>) = 1 [pid 4839] <... futex resumed>) = 0 [pid 4839] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4841] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4839] <... futex resumed>) = 0 [pid 4843] mount(NULL, "./config", "configfs", 0, NULL [pid 4842] close(3 [pid 4841] <... mmap resumed>) = 0x7f85c0c15000 [pid 4841] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4845] set_robust_list(0x5555810c5760, 24 [pid 4844] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4843] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4842] <... close resumed>) = 0 [pid 4839] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4844] <... futex resumed>) = 1 [pid 4843] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4842] write(1, "executing program\n", 18 [pid 4841] <... mprotect resumed>) = 0 [pid 4840] <... futex resumed>) = 0 [pid 4839] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4844] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4843] <... futex resumed>) = 0 [pid 4842] <... write resumed>) = 18 [pid 4840] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4839] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4841] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4840] <... futex resumed>) = 0 [pid 4839] <... futex resumed>) = 0 [pid 4844] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4843] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4842] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4844] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4841] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4840] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4843] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4839] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4842] <... futex resumed>) = 0 [pid 4844] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4843] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4841] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4839] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4842] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4844] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4843] <... futex resumed>) = 0 [pid 4839] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4846 attached [pid 4844] <... futex resumed>) = 1 [pid 4843] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4842] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4841] <... clone3 resumed> => {parent_tid=[4846]}, 88) = 4846 [pid 4840] <... futex resumed>) = 0 [pid 4839] <... futex resumed>) = 0 [pid 4846] set_robust_list(0x7f85c0c359a0, 24 [pid 4844] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4843] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4842] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4841] rt_sigprocmask(SIG_SETMASK, [] [pid 4840] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4839] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4846] <... set_robust_list resumed>) = 0 [pid 4844] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4843] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4842] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4841] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4840] <... futex resumed>) = 0 [pid 4846] rt_sigprocmask(SIG_SETMASK, [] [pid 4844] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4843] <... futex resumed>) = 0 [pid 4842] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4841] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4840] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4839] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4846] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4844] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4843] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4842] <... mmap resumed>) = 0x7f85c0c15000 [pid 4841] <... futex resumed>) = 0 [pid 4839] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4844] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4843] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4842] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4846] mkdirat(AT_FDCWD, "./config", 0777 [pid 4841] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4839] <... futex resumed>) = 0 [pid 4846] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4844] <... futex resumed>) = 1 [pid 4843] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4842] <... mprotect resumed>) = 0 [pid 4840] <... futex resumed>) = 0 [pid 4839] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4846] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 4844] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4846] <... futex resumed>) = 1 [pid 4844] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4843] <... mkdirat resumed>) = 0 [pid 4842] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4841] <... futex resumed>) = 0 [pid 4840] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4844] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4843] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4842] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4841] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4840] <... futex resumed>) = 0 [pid 4844] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4843] <... futex resumed>) = 1 [pid 4842] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4841] <... futex resumed>) = 0 [pid 4839] <... futex resumed>) = 0 [pid 4840] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4844] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4843] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4841] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4839] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4840] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4844] <... futex resumed>) = 0 [pid 4843] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4842] <... clone3 resumed> => {parent_tid=[4847]}, 88) = 4847 [pid 4840] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4839] <... futex resumed>) = 0 [pid 4844] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4843] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4842] rt_sigprocmask(SIG_SETMASK, [] [pid 4840] <... futex resumed>) = 0 [pid 4839] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4844] <... symlinkat resumed>) = 0 [pid 4843] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4842] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4840] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4844] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4843] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4842] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4840] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4844] <... futex resumed>) = 0 [pid 4843] <... futex resumed>) = 1 [pid 4842] <... futex resumed>) = 0 [pid 4840] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4839] <... futex resumed>) = 0 [pid 4844] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4843] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4842] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4840] <... futex resumed>) = 0 [pid 4839] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4844] <... unlinkat resumed>) = 0 [pid 4843] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4840] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4839] <... futex resumed>) = 0 [pid 4844] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4843] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4840] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4839] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4844] <... futex resumed>) = 0 [pid 4843] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4840] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4844] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4843] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4840] <... futex resumed>) = 0 [pid 4845] <... set_robust_list resumed>) = 0 [pid 4843] <... futex resumed>) = 1 [pid 4840] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4839] <... futex resumed>) = 0 [pid 4843] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4839] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4844] <... unlinkat resumed>) = 0 [pid 4843] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4839] <... futex resumed>) = 0 [pid 4846] mount(NULL, "./config", "configfs", 0, NULL [pid 4844] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4843] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4839] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4844] <... futex resumed>) = 1 [pid 4843] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4840] <... futex resumed>) = 0 [pid 4846] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4844] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4843] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4846] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4840] exit_group(0 [pid 4843] <... futex resumed>) = 1 [pid 4839] <... futex resumed>) = 0 [pid 4844] <... futex resumed>) = ? [pid 4843] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4841] <... futex resumed>) = 0 [pid 4840] <... exit_group resumed>) = ? [pid 4846] <... futex resumed>) = 1 [pid 4844] +++ exited with 0 +++ [pid 4841] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4839] exit_group(0 [pid 4845] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 4847 attached , NULL, 8) = 0 [pid 4847] set_robust_list(0x7f85c0c359a0, 24 [pid 4845] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4840] +++ exited with 0 +++ [pid 4847] <... set_robust_list resumed>) = 0 [pid 4845] <... prctl resumed>) = 0 [pid 4841] <... futex resumed>) = 0 [pid 4839] <... exit_group resumed>) = ? [pid 4843] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 4841] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4847] rt_sigprocmask(SIG_SETMASK, [] [pid 4845] setpgid(0, 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4840, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4847] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4845] <... setpgid resumed>) = 0 [pid 4847] mkdirat(AT_FDCWD, "./config", 0777 [pid 4845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4847] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4845] <... openat resumed>) = 3 [pid 4843] +++ exited with 0 +++ [pid 4839] +++ exited with 0 +++ [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4839, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4846] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4847] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4845] write(3, "1000", 4 [pid 4846] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4847] <... futex resumed>) = 1 [pid 4845] <... write resumed>) = 4 [pid 4842] <... futex resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 4847] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4846] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4845] close(3 [pid 4842] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4847] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4846] <... futex resumed>) = 1 [pid 4845] <... close resumed>) = 0 [pid 4842] <... futex resumed>) = 0 [pid 4841] <... futex resumed>) = 0 [pid 4847] mount(NULL, "./config", "configfs", 0, NULL [pid 4846] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL executing program [pid 4845] write(1, "executing program\n", 18 [pid 4842] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4841] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4847] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4846] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4845] <... write resumed>) = 18 [pid 4841] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4847] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4846] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4845] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4841] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4847] <... futex resumed>) = 1 [pid 4846] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4845] <... futex resumed>) = 0 [pid 4842] <... futex resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4847] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4846] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4845] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4842] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4847] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4845] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4847] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4845] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4847] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4845] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4842] <... futex resumed>) = 0 [pid 4847] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4846] <... futex resumed>) = 1 [pid 4845] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4842] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4841] <... futex resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4848 [pid 4847] <... futex resumed>) = 0 [pid 4846] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4845] <... mmap resumed>) = 0x7f85c0c15000 [pid 4842] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4841] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4847] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4846] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4845] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4842] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4841] <... futex resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4847] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4846] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4845] <... mprotect resumed>) = 0 [pid 4842] <... futex resumed>) = 0 [pid 4841] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 4847] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4846] <... mkdirat resumed>) = 0 [pid 4845] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4842] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4847] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4846] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4845] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4847] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4846] <... futex resumed>) = 1 [pid 4845] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4841] <... futex resumed>) = 0 [pid 4847] <... futex resumed>) = 1 [pid 4846] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4842] <... futex resumed>) = 0 [pid 4841] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4847] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4846] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4845] <... clone3 resumed> => {parent_tid=[4849]}, 88) = 4849 [pid 4842] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4841] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4847] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4846] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4845] rt_sigprocmask(SIG_SETMASK, [] [pid 4842] <... futex resumed>) = 0 [pid 4841] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4847] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4846] <... symlinkat resumed>) = 0 [pid 4845] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4842] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4847] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4845] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4847] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4845] <... futex resumed>) = 0 [pid 4847] <... futex resumed>) = 0 [pid 4846] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4845] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4842] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ci2-android-5-15/strace-static-x86_64: Process 4848 attached [pid 4847] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4846] <... futex resumed>) = 1 [pid 4842] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4841] <... futex resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4850 ci2-android-5-15/strace-static-x86_64: Process 4850 attached ci2-android-5-15/strace-static-x86_64: Process 4849 attached [pid 4848] set_robust_list(0x5555810c5760, 24 [pid 4847] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4846] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4842] <... futex resumed>) = 0 [pid 4841] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4847] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4846] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4842] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4841] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4847] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4846] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4841] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4848] <... set_robust_list resumed>) = 0 [pid 4846] <... unlinkat resumed>) = 0 [pid 4847] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4846] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4848] rt_sigprocmask(SIG_SETMASK, [] [pid 4847] <... futex resumed>) = 1 [pid 4846] <... futex resumed>) = 1 [pid 4842] <... futex resumed>) = 0 [pid 4841] <... futex resumed>) = 0 [pid 4846] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4842] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4841] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4847] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4846] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4842] <... futex resumed>) = 0 [pid 4841] <... futex resumed>) = 0 [pid 4846] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4842] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4847] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4841] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4848] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4846] <... unlinkat resumed>) = 0 [pid 4847] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4846] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4848] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4847] <... futex resumed>) = 1 [pid 4846] <... futex resumed>) = 1 [pid 4842] <... futex resumed>) = 0 [pid 4841] <... futex resumed>) = 0 [pid 4847] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4846] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4842] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4847] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4842] <... futex resumed>) = 0 [pid 4841] exit_group(0 [pid 4842] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4847] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4846] <... futex resumed>) = ? [pid 4841] <... exit_group resumed>) = ? [pid 4848] <... prctl resumed>) = 0 [pid 4846] +++ exited with 0 +++ [pid 4848] setpgid(0, 0) = 0 [pid 4848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4848] write(3, "1000", 4) = 4 [pid 4841] +++ exited with 0 +++ [pid 4848] close(3) = 0 [pid 4847] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4841, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 4848] write(1, "executing program\n", 18 [pid 4847] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4848] <... write resumed>) = 18 [pid 4847] <... futex resumed>) = 1 [pid 4842] <... futex resumed>) = 0 [pid 4848] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 4847] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4842] exit_group(0 [pid 4848] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4847] <... futex resumed>) = ? [pid 4842] <... exit_group resumed>) = ? [pid 4848] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4848] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4848] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4848] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4848] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[4851]}, 88) = 4851 [pid 4847] +++ exited with 0 +++ [pid 4842] +++ exited with 0 +++ [pid 4848] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4842, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4848] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4848] <... futex resumed>) = 0 [pid 4848] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4851 attached [pid 4849] set_robust_list(0x7f85c0c359a0, 24 [pid 4851] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4851] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4851] mkdirat(AT_FDCWD, "./config", 0777 [pid 4850] set_robust_list(0x5555810c5760, 24 [pid 4849] <... set_robust_list resumed>) = 0 [pid 4851] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4851] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4848] <... futex resumed>) = 0 [pid 4848] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4848] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4851] <... futex resumed>) = 1 [pid 4851] mount(NULL, "./config", "configfs", 0, NULL [pid 4849] rt_sigprocmask(SIG_SETMASK, [] [pid 4851] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4850] <... set_robust_list resumed>) = 0 [pid 4849] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4851] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4848] <... futex resumed>) = 0 [pid 4848] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4848] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4851] <... futex resumed>) = 1 [pid 4851] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4851] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4848] <... futex resumed>) = 0 [pid 4848] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4848] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4851] <... futex resumed>) = 1 [pid 4851] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4849] mkdirat(AT_FDCWD, "./config", 0777 [pid 4851] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4848] <... futex resumed>) = 0 [pid 4848] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4849] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4848] <... futex resumed>) = 0 [pid 4848] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4850] rt_sigprocmask(SIG_SETMASK, [] [pid 4849] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4851] <... futex resumed>) = 1 [pid 4850] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4849] <... futex resumed>) = 1 [pid 4845] <... futex resumed>) = 0 [pid 4845] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4850] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4849] mount(NULL, "./config", "configfs", 0, NULL [pid 4845] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4850] <... prctl resumed>) = 0 [pid 4849] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4851] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4850] setpgid(0, 0 [pid 4849] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4850] <... setpgid resumed>) = 0 [pid 4849] <... futex resumed>) = 1 [pid 4845] <... futex resumed>) = 0 [pid 4849] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4845] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4845] <... futex resumed>) = 0 [pid 4849] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4845] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... restart_syscall resumed>) = 0 [pid 4849] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4851] <... mkdirat resumed>) = 0 [pid 4850] <... openat resumed>) = 3 [pid 4849] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4849] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4850] write(3, "1000", 4 [pid 4849] <... futex resumed>) = 1 [pid 4845] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4850] <... write resumed>) = 4 [pid 4849] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4845] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... restart_syscall resumed>) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4850] close(3 [pid 4849] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4845] <... futex resumed>) = 0 [pid 4845] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4851] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4848] <... futex resumed>) = 0 [pid 4848] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4848] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4849] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4852 [pid 4850] <... close resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4850] write(1, "executing program\n", 18 [pid 4849] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4850] <... write resumed>) = 18 [pid 4849] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4849] <... futex resumed>) = 1 [pid 4845] <... futex resumed>) = 0 [pid 4845] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4845] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4851] <... futex resumed>) = 1 [pid 4851] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4850] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4849] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4853 [pid 4850] <... futex resumed>) = 0 [pid 4849] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4850] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4849] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4851] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4850] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4849] <... futex resumed>) = 1 [pid 4845] <... futex resumed>) = 0 [pid 4851] <... futex resumed>) = 1 [pid 4850] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4849] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4848] <... futex resumed>) = 0 [pid 4845] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4851] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4850] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4849] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4848] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4845] <... futex resumed>) = 0 [pid 4851] <... unlinkat resumed>) = 0 [pid 4850] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4849] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4848] <... futex resumed>) = 0 [pid 4845] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4851] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4850] <... mmap resumed>) = 0x7f85c0c15000 [pid 4849] <... symlinkat resumed>) = 0 [pid 4848] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4851] <... futex resumed>) = 0 [pid 4850] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4849] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4848] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4851] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4850] <... mprotect resumed>) = 0 [pid 4849] <... futex resumed>) = 1 [pid 4848] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4845] <... futex resumed>) = 0 [pid 4851] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 4850] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4849] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4848] <... futex resumed>) = 0 [pid 4845] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4851] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4850] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4849] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4848] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4845] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4853 attached ci2-android-5-15/strace-static-x86_64: Process 4852 attached [pid 4851] <... futex resumed>) = 0 [pid 4850] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4849] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4848] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4845] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4853] set_robust_list(0x5555810c5760, 24 [pid 4851] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4848] exit_group(0 [pid 4853] <... set_robust_list resumed>) = 0 [pid 4852] set_robust_list(0x5555810c5760, 24 [pid 4851] <... futex resumed>) = ? [pid 4850] <... clone3 resumed> => {parent_tid=[4854]}, 88) = 4854 [pid 4849] <... unlinkat resumed>) = 0 [pid 4848] <... exit_group resumed>) = ? [pid 4853] rt_sigprocmask(SIG_SETMASK, [] [pid 4852] <... set_robust_list resumed>) = 0 [pid 4851] +++ exited with 0 +++ [pid 4850] rt_sigprocmask(SIG_SETMASK, [] [pid 4849] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4848] +++ exited with 0 +++ [pid 4850] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4849] <... futex resumed>) = 1 [pid 4845] <... futex resumed>) = 0 [pid 4850] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4849] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4845] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4848, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4852] rt_sigprocmask(SIG_SETMASK, [] [pid 4850] <... futex resumed>) = 0 [pid 4849] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4845] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4852] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4850] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4849] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4845] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4853] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4853] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4849] <... unlinkat resumed>) = 0 [pid 4852] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4849] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4853] <... prctl resumed>) = 0 [pid 4849] <... futex resumed>) = 1 [pid 4852] <... prctl resumed>) = 0 [pid 4849] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4845] <... futex resumed>) = 0 [pid 4852] setpgid(0, 0 [pid 4845] exit_group(0 [pid 4852] <... setpgid resumed>) = 0 [pid 4849] <... futex resumed>) = ? [pid 4845] <... exit_group resumed>) = ? [pid 4849] +++ exited with 0 +++ [pid 4853] setpgid(0, 0) = 0 [pid 4853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4853] write(3, "1000", 4) = 4 [pid 4845] +++ exited with 0 +++ [pid 4853] close(3) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4845, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4853] write(1, "executing program\n", 18) = 18 [pid 4853] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4852] <... openat resumed>) = 3 executing program [pid 4853] <... futex resumed>) = 0 [pid 4853] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110}, NULL, 8) = 0 [pid 4853] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4853] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4853] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 ci2-android-5-15/strace-static-x86_64: Process 4854 attached [pid 4853] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4852] write(3, "1000", 4 [pid 4854] set_robust_list(0x7f85c0c359a0, 24 [pid 4853] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 4854] <... set_robust_list resumed>) = 0 [pid 4853] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4854] rt_sigprocmask(SIG_SETMASK, [] [pid 4852] <... write resumed>) = 4 [pid 4854] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4853] <... clone3 resumed> => {parent_tid=[4855]}, 88) = 4855 ci2-android-5-15/strace-static-x86_64: Process 4855 attached [pid 4854] mkdirat(AT_FDCWD, "./config", 0777 [pid 4853] rt_sigprocmask(SIG_SETMASK, [] [pid 4852] close(3 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4854] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4853] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4852] <... close resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4854] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4853] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4852] write(1, "executing program\n", 18 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4855] set_robust_list(0x7f85c0c359a0, 24 [pid 4854] <... futex resumed>) = 1 [pid 4853] <... futex resumed>) = 0 [pid 4852] <... write resumed>) = 18 [pid 4850] <... futex resumed>) = 0 [pid 4854] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL executing program [pid 4853] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4856 attached [pid 4855] <... set_robust_list resumed>) = 0 [pid 4852] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4850] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4855] rt_sigprocmask(SIG_SETMASK, [] [pid 4852] <... futex resumed>) = 0 [pid 4850] <... futex resumed>) = 1 [pid 4852] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4856 [pid 4855] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4852] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4850] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4852] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4855] mkdirat(AT_FDCWD, "./config", 0777 [pid 4852] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4852] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4855] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4852] <... mmap resumed>) = 0x7f85c0c15000 [pid 4855] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4852] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4854] <... futex resumed>) = 0 [pid 4852] <... mprotect resumed>) = 0 [pid 4855] <... futex resumed>) = 1 [pid 4854] mount(NULL, "./config", "configfs", 0, NULL [pid 4853] <... futex resumed>) = 0 [pid 4856] set_robust_list(0x5555810c5760, 24 [pid 4855] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4854] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4853] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4852] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4856] <... set_robust_list resumed>) = 0 [pid 4855] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4854] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4853] <... futex resumed>) = 0 [pid 4852] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4856] rt_sigprocmask(SIG_SETMASK, [] [pid 4855] mount(NULL, "./config", "configfs", 0, NULL [pid 4854] <... futex resumed>) = 1 [pid 4853] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4852] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4850] <... futex resumed>) = 0 [pid 4856] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4854] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4856] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4855] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4854] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4850] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4856] <... prctl resumed>) = 0 [pid 4855] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4854] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4852] <... clone3 resumed> => {parent_tid=[4857]}, 88) = 4857 [pid 4850] <... futex resumed>) = 0 [pid 4856] setpgid(0, 0 [pid 4854] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4852] rt_sigprocmask(SIG_SETMASK, [] [pid 4853] <... futex resumed>) = 0 [pid 4850] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4855] <... futex resumed>) = 1 [pid 4856] <... setpgid resumed>) = 0 [pid 4855] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4854] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4853] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4852] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4850] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4855] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4854] <... futex resumed>) = 0 [pid 4856] <... openat resumed>) = 3 [pid 4854] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4856] write(3, "1000", 4 [pid 4852] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4853] <... futex resumed>) = 0 [pid 4850] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4855] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4856] <... write resumed>) = 4 [pid 4855] <... futex resumed>) = 0 [pid 4854] <... futex resumed>) = 0 [pid 4853] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4852] <... futex resumed>) = 0 [pid 4850] <... futex resumed>) = 1 [pid 4856] close(3 [pid 4855] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4854] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4853] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4852] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4850] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4856] <... close resumed>) = 0 [pid 4854] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4853] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4856] write(1, "executing program\n", 18 [pid 4854] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4856] <... write resumed>) = 18 [pid 4855] <... futex resumed>) = 0 [pid 4854] <... futex resumed>) = 1 executing program [pid 4853] <... futex resumed>) = 1 [pid 4850] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4857 attached [pid 4856] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4855] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4854] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4853] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4850] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4857] set_robust_list(0x7f85c0c359a0, 24 [pid 4856] <... futex resumed>) = 0 [pid 4855] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4854] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4850] <... futex resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 4857] <... set_robust_list resumed>) = 0 [pid 4856] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4855] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4854] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4850] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4857] rt_sigprocmask(SIG_SETMASK, [] [pid 4856] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4855] <... futex resumed>) = 1 [pid 4854] <... mkdirat resumed>) = 0 [pid 4853] <... futex resumed>) = 0 [pid 4857] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4856] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4855] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4854] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4853] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4857] mkdirat(AT_FDCWD, "./config", 0777 [pid 4856] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4855] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4854] <... futex resumed>) = 1 [pid 4853] <... futex resumed>) = 0 [pid 4850] <... futex resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4857] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4856] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4855] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4854] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4853] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4850] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4857] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4856] <... mmap resumed>) = 0x7f85c0c15000 [pid 4855] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4854] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4850] <... futex resumed>) = 0 [pid 4857] <... futex resumed>) = 1 [pid 4856] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4855] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4854] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4852] <... futex resumed>) = 0 [pid 4850] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4857] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4856] <... mprotect resumed>) = 0 [pid 4855] <... futex resumed>) = 1 [pid 4854] <... symlinkat resumed>) = 0 [pid 4853] <... futex resumed>) = 0 [pid 4852] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4857] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4856] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4854] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4857] mount(NULL, "./config", "configfs", 0, NULL [pid 4856] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4854] <... futex resumed>) = 1 [pid 4857] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4856] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4855] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4854] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4853] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4852] <... futex resumed>) = 0 [pid 4850] <... futex resumed>) = 0 [pid 4857] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4855] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4853] <... futex resumed>) = 0 [pid 4852] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4850] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4858 [pid 4857] <... futex resumed>) = 0 [pid 4856] <... clone3 resumed> => {parent_tid=[4859]}, 88) = 4859 [pid 4855] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4854] <... futex resumed>) = 0 [pid 4853] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4852] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4850] <... futex resumed>) = 1 [pid 4857] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4856] rt_sigprocmask(SIG_SETMASK, [] [pid 4855] <... futex resumed>) = 0 [pid 4854] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4853] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4852] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4850] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4857] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4856] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4855] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4854] <... unlinkat resumed>) = 0 [pid 4853] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4852] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4857] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4856] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4855] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4854] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4853] <... futex resumed>) = 0 [pid 4852] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4857] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4856] <... futex resumed>) = 0 [pid 4855] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4854] <... futex resumed>) = 1 [pid 4853] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4850] <... futex resumed>) = 0 [pid 4857] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4856] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4855] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4854] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4850] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4858 attached [pid 4857] <... futex resumed>) = 1 [pid 4855] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4854] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4852] <... futex resumed>) = 0 [pid 4850] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4859 attached [pid 4858] set_robust_list(0x5555810c5760, 24 [pid 4857] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4855] <... futex resumed>) = 1 [pid 4854] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4853] <... futex resumed>) = 0 [pid 4852] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4850] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4859] set_robust_list(0x7f85c0c359a0, 24 [pid 4858] <... set_robust_list resumed>) = 0 [pid 4857] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4855] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4854] <... unlinkat resumed>) = 0 [pid 4853] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4852] <... futex resumed>) = 0 [pid 4859] <... set_robust_list resumed>) = 0 [pid 4858] rt_sigprocmask(SIG_SETMASK, [] [pid 4857] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4855] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4854] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4853] <... futex resumed>) = 0 [pid 4852] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4859] rt_sigprocmask(SIG_SETMASK, [] [pid 4858] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4857] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4855] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4854] <... futex resumed>) = 1 [pid 4853] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4850] <... futex resumed>) = 0 [pid 4859] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4858] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4857] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4855] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4854] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4850] exit_group(0 [pid 4859] mkdirat(AT_FDCWD, "./config", 0777 [pid 4858] <... prctl resumed>) = 0 [pid 4857] <... futex resumed>) = 1 [pid 4855] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4854] <... futex resumed>) = ? [pid 4852] <... futex resumed>) = 0 [pid 4850] <... exit_group resumed>) = ? [pid 4859] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4858] setpgid(0, 0 [pid 4857] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4855] <... futex resumed>) = 1 [pid 4854] +++ exited with 0 +++ [pid 4853] <... futex resumed>) = 0 [pid 4852] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4858] <... setpgid resumed>) = 0 [pid 4857] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4857] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4859] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4858] <... openat resumed>) = 3 [pid 4857] <... mkdirat resumed>) = 0 [pid 4855] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4853] exit_group(0 [pid 4852] <... futex resumed>) = 0 [pid 4850] +++ exited with 0 +++ [pid 4859] <... futex resumed>) = 1 [pid 4858] write(3, "1000", 4 [pid 4857] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4856] <... futex resumed>) = 0 [pid 4855] <... futex resumed>) = ? [pid 4853] <... exit_group resumed>) = ? [pid 4852] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4858] <... write resumed>) = 4 [pid 4857] <... futex resumed>) = 0 [pid 4856] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4855] +++ exited with 0 +++ [pid 4858] close(3 [pid 4857] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4856] <... futex resumed>) = 0 [pid 4858] <... close resumed>) = 0 [pid 4856] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4858] write(1, "executing program\n", 18) = 18 [pid 4853] +++ exited with 0 +++ [pid 4858] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4852] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4850, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 4859] mount(NULL, "./config", "configfs", 0, NULL [pid 4858] <... futex resumed>) = 0 [pid 4852] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4853, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4858] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4857] <... futex resumed>) = 0 [pid 4852] <... futex resumed>) = 1 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4859] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4858] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4857] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4852] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4859] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4858] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4857] <... symlinkat resumed>) = 0 [pid 4858] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4857] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4858] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4857] <... futex resumed>) = 1 [pid 4852] <... futex resumed>) = 0 [pid 4859] <... futex resumed>) = 1 [pid 4858] <... mmap resumed>) = 0x7f85c0c15000 [pid 4857] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4856] <... futex resumed>) = 0 [pid 4852] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4859] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4858] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4857] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4856] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4852] <... futex resumed>) = 0 [pid 4859] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4858] <... mprotect resumed>) = 0 [pid 4857] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4856] <... futex resumed>) = 0 [pid 4852] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4859] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4858] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4857] <... unlinkat resumed>) = 0 [pid 4856] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4859] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4858] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4857] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4859] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4858] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0}ci2-android-5-15/strace-static-x86_64: Process 4860 attached [pid 4859] <... futex resumed>) = 1 [pid 4857] <... futex resumed>) = 1 [pid 4856] <... futex resumed>) = 0 [pid 4852] <... futex resumed>) = 0 [pid 4859] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4858] <... clone3 resumed> => {parent_tid=[4860]}, 88) = 4860 [pid 4857] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4856] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4852] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4859] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4858] rt_sigprocmask(SIG_SETMASK, [] [pid 4857] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4856] <... futex resumed>) = 0 [pid 4852] <... futex resumed>) = 0 [pid 4859] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4858] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4857] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4856] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4852] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4859] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4858] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4859] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4858] <... futex resumed>) = 0 [pid 4857] <... unlinkat resumed>) = 0 [pid 4859] <... futex resumed>) = 1 [pid 4858] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4857] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4856] <... futex resumed>) = 0 [pid 4859] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4857] <... futex resumed>) = 1 [pid 4856] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4852] <... futex resumed>) = 0 [pid 4860] set_robust_list(0x7f85c0c359a0, 24 [pid 4859] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4857] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4856] <... futex resumed>) = 0 [pid 4859] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4856] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4852] exit_group(0 [pid 4859] <... mkdirat resumed>) = 0 [pid 4857] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 4852] <... exit_group resumed>) = ? [pid 4859] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4857] +++ exited with 0 +++ [pid 4852] +++ exited with 0 +++ [pid 4859] <... futex resumed>) = 1 [pid 4856] <... futex resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4852, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4859] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4856] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4859] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4856] <... futex resumed>) = 0 [pid 4859] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4856] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4860] <... set_robust_list resumed>) = 0 [pid 4859] <... symlinkat resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4860] rt_sigprocmask(SIG_SETMASK, [] [pid 4859] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4861 attached [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4861 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4861] set_robust_list(0x5555810c5760, 24 [pid 4860] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4859] <... futex resumed>) = 1 [pid 4856] <... futex resumed>) = 0 [pid 4856] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 4856] <... futex resumed>) = 0 [pid 4856] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4861] <... set_robust_list resumed>) = 0 [pid 4860] mkdirat(AT_FDCWD, "./config", 0777 [pid 4859] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4860] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4859] <... unlinkat resumed>) = 0 [pid 4861] rt_sigprocmask(SIG_SETMASK, [] [pid 4859] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4860] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4861] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4860] <... futex resumed>) = 1 [pid 4859] <... futex resumed>) = 1 [pid 4858] <... futex resumed>) = 0 [pid 4856] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4858] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4856] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4858] <... futex resumed>) = 0 [pid 4856] <... futex resumed>) = 0 [pid 4858] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4856] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4859] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4861] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4860] mount(NULL, "./config", "configfs", 0, NULLci2-android-5-15/strace-static-x86_64: Process 4862 attached [pid 4862] set_robust_list(0x5555810c5760, 24) = 0 [pid 4862] rt_sigprocmask(SIG_SETMASK, [] [pid 4859] <... unlinkat resumed>) = 0 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4863 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4862 [pid 4862] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4862] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4859] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4860] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4859] <... futex resumed>) = 1 [pid 4856] <... futex resumed>) = 0 [pid 4862] <... prctl resumed>) = 0 [pid 4856] exit_group(0 [pid 4859] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4860] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4856] <... exit_group resumed>) = ? [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4859] +++ exited with 0 +++ [pid 4862] setpgid(0, 0) = 0 [pid 4862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4862] write(3, "1000", 4 [pid 4856] +++ exited with 0 +++ [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4856, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4860] <... futex resumed>) = 1 [pid 4858] <... futex resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4860] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4858] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4862] <... write resumed>) = 4 [pid 4858] <... futex resumed>) = 0 [pid 4860] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4858] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4862] close(3 [pid 4860] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4862] <... close resumed>) = 0 [pid 4862] write(1, "executing program\n", 18 [pid 4860] <... futex resumed>) = 1 [pid 4858] <... futex resumed>) = 0 [pid 4862] <... write resumed>) = 18 [pid 4860] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4858] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4862] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4860] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4858] <... futex resumed>) = 0 executing program [pid 4862] <... futex resumed>) = 0 [pid 4860] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4858] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4861] <... prctl resumed>) = 0 [pid 4860] <... futex resumed>) = 0 [pid 4858] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4862] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4860] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4858] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4862] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4858] <... futex resumed>) = 0 [pid 4862] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4860] <... mkdirat resumed>) = 0 [pid 4858] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4862] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4860] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4862] <... mmap resumed>) = 0x7f85c0c15000 [pid 4862] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4862] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4862] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4861] setpgid(0, 0 [pid 4860] <... futex resumed>) = 1 [pid 4858] <... futex resumed>) = 0 [pid 4862] <... clone3 resumed> => {parent_tid=[4864]}, 88) = 4864 [pid 4860] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4858] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4863 attached ) = 0 [pid 4863] set_robust_list(0x5555810c5760, 24 [pid 4860] <... symlinkat resumed>) = 0 [pid 4858] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4863] <... set_robust_list resumed>) = 0 [pid 4860] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4863] rt_sigprocmask(SIG_SETMASK, [] [pid 4860] <... futex resumed>) = 1 [pid 4858] <... futex resumed>) = 0 [pid 4858] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... restart_syscall resumed>) = 0 [pid 4860] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4858] <... futex resumed>) = 0 [pid 4860] <... unlinkat resumed>) = 0 [pid 4858] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4860] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4858] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4860] <... futex resumed>) = 0 [pid 4858] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4860] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4858] <... futex resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 4864 attached [pid 4863] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4862] rt_sigprocmask(SIG_SETMASK, [] [pid 4861] <... setpgid resumed>) = 0 [pid 4860] <... unlinkat resumed>) = 0 [pid 4858] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4863] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4865 ci2-android-5-15/strace-static-x86_64: Process 4865 attached [pid 4863] <... prctl resumed>) = 0 [pid 4862] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4860] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4858] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4863] setpgid(0, 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4863] <... setpgid resumed>) = 0 [pid 4860] <... futex resumed>) = 0 [pid 4862] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4858] exit_group(0 [pid 4865] set_robust_list(0x5555810c5760, 24 [pid 4861] <... openat resumed>) = 3 [pid 4858] <... exit_group resumed>) = ? [pid 4864] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4864] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4864] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4864] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4864] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4860] +++ exited with 0 +++ [pid 4858] +++ exited with 0 +++ [pid 4862] <... futex resumed>) = 1 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4858, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4864] <... futex resumed>) = 0 [pid 4864] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4865] <... set_robust_list resumed>) = 0 [pid 4863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4862] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4861] write(3, "1000", 4 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4862] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4861] <... write resumed>) = 4 [pid 4863] <... openat resumed>) = 3 [pid 4862] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4861] close(3 [pid 4862] <... futex resumed>) = 1 [pid 4861] <... close resumed>) = 0 [pid 4863] write(3, "1000", 4 [pid 4864] <... futex resumed>) = 0 [pid 4864] mount(NULL, "./config", "configfs", 0, NULL [pid 4865] rt_sigprocmask(SIG_SETMASK, [] [pid 4864] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4863] <... write resumed>) = 4 [pid 4862] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4861] write(1, "executing program\n", 18 [pid 4864] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 4864] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4862] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4861] <... write resumed>) = 18 [pid 4862] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4863] close(3 [pid 4861] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4865] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4862] <... futex resumed>) = 1 [pid 4864] <... futex resumed>) = 0 [pid 4864] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4864] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4862] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4861] <... futex resumed>) = 0 [pid 4863] <... close resumed>) = 0 [pid 4862] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4862] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4861] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4863] write(1, "executing program\n", 18 [pid 4862] <... futex resumed>) = 0 [pid 4861] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4864] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4864] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 4864] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4862] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4861] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4863] <... write resumed>) = 18 [pid 4862] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4861] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4863] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4862] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4863] <... futex resumed>) = 0 [pid 4861] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4862] <... futex resumed>) = 1 [pid 4863] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4861] <... mmap resumed>) = 0x7f85c0c15000 [pid 4862] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4863] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4861] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4864] <... futex resumed>) = 0 [pid 4863] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4861] <... mprotect resumed>) = 0 [pid 4864] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4863] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4861] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4863] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4861] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4864] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4861] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4863] <... mmap resumed>) = 0x7f85c0c15000 [pid 4864] <... futex resumed>) = 1 [pid 4862] <... futex resumed>) = 0 [pid 4865] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4864] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4863] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4862] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4865] <... prctl resumed>) = 0 [pid 4864] <... symlinkat resumed>) = 0 [pid 4863] <... mprotect resumed>) = 0 [pid 4862] <... futex resumed>) = 0 [pid 4861] <... clone3 resumed> => {parent_tid=[4866]}, 88) = 4866 [pid 4864] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4863] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4862] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4861] rt_sigprocmask(SIG_SETMASK, [] [pid 4864] <... futex resumed>) = 0 [pid 4863] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4862] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4861] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4865] setpgid(0, 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 4864] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4863] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4862] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4861] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4865] <... setpgid resumed>) = 0 [pid 4864] <... unlinkat resumed>) = 0 [pid 4862] <... futex resumed>) = 0 [pid 4861] <... futex resumed>) = 0 [pid 4865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4864] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4863] <... clone3 resumed> => {parent_tid=[4867]}, 88) = 4867 [pid 4862] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4861] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4864] <... futex resumed>) = 0 [pid 4863] rt_sigprocmask(SIG_SETMASK, [] [pid 4862] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4865] <... openat resumed>) = 3 [pid 4864] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4863] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4862] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4865] write(3, "1000", 4 [pid 4864] <... unlinkat resumed>) = 0 [pid 4863] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4862] <... futex resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 4867 attached [pid 4865] <... write resumed>) = 4 [pid 4864] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4863] <... futex resumed>) = 0 [pid 4862] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4865] close(3 [pid 4864] <... futex resumed>) = 0 [pid 4863] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4862] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4864] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4862] exit_group(0 [pid 4865] <... close resumed>) = 0 [pid 4864] <... futex resumed>) = ? [pid 4862] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 4868 attached [pid 4867] set_robust_list(0x7f85c0c359a0, 24 [pid 4865] write(1, "executing program\n", 18 [pid 4864] +++ exited with 0 +++ [pid 4862] +++ exited with 0 +++ [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4868 ci2-android-5-15/strace-static-x86_64: Process 4866 attached executing program [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4865] <... write resumed>) = 18 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4862, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4866] set_robust_list(0x7f85c0c359a0, 24 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4865] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4866] <... set_robust_list resumed>) = 0 [pid 4866] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4868] set_robust_list(0x5555810c5760, 24 [pid 4867] <... set_robust_list resumed>) = 0 [pid 4866] mkdirat(AT_FDCWD, "./config", 0777 [pid 4865] <... futex resumed>) = 0 [pid 4866] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4867] rt_sigprocmask(SIG_SETMASK, [] [pid 4865] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4866] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4861] <... futex resumed>) = 0 [pid 4868] <... set_robust_list resumed>) = 0 [pid 4867] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4866] mount(NULL, "./config", "configfs", 0, NULL [pid 4865] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4861] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4866] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4861] <... futex resumed>) = 0 [pid 4865] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4867] mkdirat(AT_FDCWD, "./config", 0777 [pid 4866] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4865] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4861] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4866] <... futex resumed>) = 0 [pid 4865] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4861] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4866] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4865] <... mmap resumed>) = 0x7f85c0c15000 [pid 4861] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4866] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4865] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4861] <... futex resumed>) = 0 [pid 4866] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4865] <... mprotect resumed>) = 0 [pid 4861] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4866] <... futex resumed>) = 0 [pid 4865] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4861] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4867] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4866] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4865] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4861] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4867] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4866] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4865] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4861] <... futex resumed>) = 0 [pid 4867] <... futex resumed>) = 1 [pid 4866] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4863] <... futex resumed>) = 0 [pid 4861] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4867] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4866] <... futex resumed>) = 0 [pid 4865] <... clone3 resumed> => {parent_tid=[4869]}, 88) = 4869 [pid 4863] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4861] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] <... restart_syscall resumed>) = 0 [pid 4867] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4866] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4865] rt_sigprocmask(SIG_SETMASK, [] [pid 4863] <... futex resumed>) = 0 [pid 4861] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4868] rt_sigprocmask(SIG_SETMASK, [] [pid 4867] mount(NULL, "./config", "configfs", 0, NULL [pid 4866] <... mkdirat resumed>) = 0 [pid 4865] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4863] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4861] <... futex resumed>) = 0 [pid 4866] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4867] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4865] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4861] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4867] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4866] <... futex resumed>) = 0 [pid 4865] <... futex resumed>) = 0 [pid 4861] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4867] <... futex resumed>) = 1 [pid 4866] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4865] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4863] <... futex resumed>) = 0 [pid 4861] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4867] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4866] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4863] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4861] <... futex resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4867] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4866] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4863] <... futex resumed>) = 0 [pid 4861] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4866] <... symlinkat resumed>) = 0 [pid 4866] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4861] <... futex resumed>) = 0 [pid 4867] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4866] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4863] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4868] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4861] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4867] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4866] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4861] <... futex resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4870 [pid 4868] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4867] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4866] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4861] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4868] <... prctl resumed>) = 0 [pid 4867] <... futex resumed>) = 1 [pid 4866] <... unlinkat resumed>) = 0 [pid 4863] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 4869 attached [pid 4868] setpgid(0, 0 [pid 4867] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4866] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4863] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4869] set_robust_list(0x7f85c0c359a0, 24 [pid 4868] <... setpgid resumed>) = 0 [pid 4867] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4866] <... futex resumed>) = 1 [pid 4863] <... futex resumed>) = 0 [pid 4861] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4869] <... set_robust_list resumed>) = 0 [pid 4867] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4866] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4863] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4861] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4869] rt_sigprocmask(SIG_SETMASK, [] [pid 4867] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4866] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4861] <... futex resumed>) = 0 [pid 4869] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4868] <... openat resumed>) = 3 [pid 4867] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4866] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4861] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4870 attached [pid 4869] mkdirat(AT_FDCWD, "./config", 0777 [pid 4868] write(3, "1000", 4 [pid 4867] <... futex resumed>) = 1 [pid 4866] <... unlinkat resumed>) = 0 [pid 4863] <... futex resumed>) = 0 [pid 4869] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4868] <... write resumed>) = 4 [pid 4867] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4866] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4863] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4869] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4868] close(3 [pid 4867] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4866] <... futex resumed>) = 1 [pid 4861] <... futex resumed>) = 0 [pid 4869] <... futex resumed>) = 1 [pid 4868] <... close resumed>) = 0 [pid 4867] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4866] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4865] <... futex resumed>) = 0 [pid 4863] <... futex resumed>) = 0 [pid 4861] exit_group(0 executing program [pid 4869] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4868] write(1, "executing program\n", 18 [pid 4867] <... mkdirat resumed>) = 0 [pid 4866] <... futex resumed>) = ? [pid 4865] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4863] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4861] <... exit_group resumed>) = ? [pid 4870] set_robust_list(0x5555810c5760, 24 [pid 4869] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4868] <... write resumed>) = 18 [pid 4867] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4866] +++ exited with 0 +++ [pid 4865] <... futex resumed>) = 0 [pid 4863] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4861] +++ exited with 0 +++ [pid 4870] <... set_robust_list resumed>) = 0 [pid 4868] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4867] <... futex resumed>) = 0 [pid 4865] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4863] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4861, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4868] <... futex resumed>) = 0 [pid 4867] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4863] <... futex resumed>) = 0 [pid 4870] rt_sigprocmask(SIG_SETMASK, [] [pid 4868] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4863] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4870] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4868] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4867] <... symlinkat resumed>) = 0 [pid 4869] mount(NULL, "./config", "configfs", 0, NULL [pid 4868] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4867] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4870] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4869] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4868] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4863] <... futex resumed>) = 0 [pid 4870] <... prctl resumed>) = 0 [pid 4869] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4868] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4867] <... futex resumed>) = 1 [pid 4863] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4870] setpgid(0, 0 [pid 4869] <... futex resumed>) = 1 [pid 4868] <... mmap resumed>) = 0x7f85c0c15000 [pid 4867] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4865] <... futex resumed>) = 0 [pid 4863] <... futex resumed>) = 0 [pid 4869] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4865] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4869] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4865] <... futex resumed>) = 0 [pid 4869] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4865] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4869] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4863] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4870] <... setpgid resumed>) = 0 [pid 4869] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4868] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4867] <... unlinkat resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4871 [pid 4869] <... futex resumed>) = 1 [pid 4868] <... mprotect resumed>) = 0 [pid 4867] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4865] <... futex resumed>) = 0 [pid 4870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4869] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4868] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4865] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4867] <... futex resumed>) = 1 [pid 4863] <... futex resumed>) = 0 [pid 4869] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4868] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4867] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4865] <... futex resumed>) = 0 [pid 4863] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4870] <... openat resumed>) = 3 [pid 4869] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4868] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4867] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4865] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4863] <... futex resumed>) = 0 [pid 4870] write(3, "1000", 4 [pid 4869] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4863] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4867] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4870] <... write resumed>) = 4 [pid 4869] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4870] close(3 [pid 4869] <... futex resumed>) = 1 [pid 4868] <... clone3 resumed> => {parent_tid=[4872]}, 88) = 4872 [pid 4867] <... unlinkat resumed>) = 0 [pid 4865] <... futex resumed>) = 0 [pid 4870] <... close resumed>) = 0 [pid 4869] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4868] rt_sigprocmask(SIG_SETMASK, [] [pid 4867] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4865] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4870] write(1, "executing program\n", 18 [pid 4869] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4868] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4867] <... futex resumed>) = 1 [pid 4865] <... futex resumed>) = 0 executing program [pid 4863] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4871 attached [pid 4870] <... write resumed>) = 18 [pid 4869] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4868] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4867] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4865] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4872 attached [pid 4871] set_robust_list(0x5555810c5760, 24 [pid 4870] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4869] <... mkdirat resumed>) = 0 [pid 4868] <... futex resumed>) = 0 [pid 4863] exit_group(0 [pid 4871] <... set_robust_list resumed>) = 0 [pid 4870] <... futex resumed>) = 0 [pid 4869] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4868] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4867] <... futex resumed>) = ? [pid 4863] <... exit_group resumed>) = ? [pid 4872] set_robust_list(0x7f85c0c359a0, 24 [pid 4871] rt_sigprocmask(SIG_SETMASK, [] [pid 4870] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4869] <... futex resumed>) = 1 [pid 4867] +++ exited with 0 +++ [pid 4865] <... futex resumed>) = 0 [pid 4871] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4869] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4865] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4871] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4869] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4865] <... futex resumed>) = 0 [pid 4871] <... prctl resumed>) = 0 [pid 4869] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4865] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4863] +++ exited with 0 +++ [pid 4871] setpgid(0, 0 [pid 4872] <... set_robust_list resumed>) = 0 [pid 4870] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4869] <... symlinkat resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4863, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4871] <... setpgid resumed>) = 0 [pid 4869] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4869] <... futex resumed>) = 1 [pid 4865] <... futex resumed>) = 0 [pid 4872] rt_sigprocmask(SIG_SETMASK, [] [pid 4871] <... openat resumed>) = 3 [pid 4870] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4869] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4865] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4871] write(3, "1000", 4 [pid 4870] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4869] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4865] <... futex resumed>) = 0 [pid 4871] <... write resumed>) = 4 [pid 4870] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4869] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4865] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4872] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4871] close(3 [pid 4870] <... mmap resumed>) = 0x7f85c0c15000 [pid 4869] <... unlinkat resumed>) = 0 [pid 4871] <... close resumed>) = 0 [pid 4870] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4869] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4872] mkdirat(AT_FDCWD, "./config", 0777 [pid 4871] write(1, "executing program\n", 18 [pid 4870] <... mprotect resumed>) = 0 [pid 4869] <... futex resumed>) = 1 [pid 4865] <... futex resumed>) = 0 [pid 4871] <... write resumed>) = 18 executing program [pid 4870] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4869] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4865] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4871] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4870] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4869] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4865] <... futex resumed>) = 0 [pid 4871] <... futex resumed>) = 0 [pid 4870] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4869] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4865] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4872] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4871] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4869] <... unlinkat resumed>) = 0 [pid 4872] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4871] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4870] <... clone3 resumed> => {parent_tid=[4873]}, 88) = 4873 [pid 4869] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4872] <... futex resumed>) = 1 [pid 4871] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4870] rt_sigprocmask(SIG_SETMASK, [] [pid 4869] <... futex resumed>) = 1 [pid 4868] <... futex resumed>) = 0 [pid 4865] <... futex resumed>) = 0 [pid 4872] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4871] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4870] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4869] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4868] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4865] exit_group(0 [pid 4872] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4871] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4870] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4869] <... futex resumed>) = ? [pid 4868] <... futex resumed>) = 0 [pid 4865] <... exit_group resumed>) = ? [pid 4872] mount(NULL, "./config", "configfs", 0, NULL [pid 4871] <... mmap resumed>) = 0x7f85c0c15000 [pid 4870] <... futex resumed>) = 0 [pid 4869] +++ exited with 0 +++ [pid 4868] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4865] +++ exited with 0 +++ [pid 4871] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4870] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4865, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4872] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4871] <... mprotect resumed>) = 0 [pid 4872] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4871] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4872] <... futex resumed>) = 1 [pid 4871] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4868] <... futex resumed>) = 0 [pid 4872] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4871] <... clone3 resumed> => {parent_tid=[4874]}, 88) = 4874 [pid 4868] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4871] rt_sigprocmask(SIG_SETMASK, [] [pid 4872] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4871] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4868] <... futex resumed>) = 0 [pid 4872] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4871] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4868] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4872] <... futex resumed>) = 0 [pid 4871] <... futex resumed>) = 0 [pid 4868] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4872] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4871] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4868] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4872] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4868] <... futex resumed>) = 0 [pid 4872] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4868] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4872] <... mkdirat resumed>) = -1 EEXIST (File exists) ci2-android-5-15/strace-static-x86_64: Process 4873 attached [pid 4872] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4873] set_robust_list(0x7f85c0c359a0, 24 [pid 4872] <... futex resumed>) = 1 [pid 4868] <... futex resumed>) = 0 [pid 4873] <... set_robust_list resumed>) = 0 [pid 4868] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4872] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4868] <... futex resumed>) = 0 [pid 4873] rt_sigprocmask(SIG_SETMASK, [] [pid 4868] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4873] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4873] mkdirat(AT_FDCWD, "./config", 0777 [pid 4872] <... mkdirat resumed>) = 0 [pid 4873] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4872] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4873] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4872] <... futex resumed>) = 1 [pid 4868] <... futex resumed>) = 0 [pid 4872] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4868] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4872] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4868] <... futex resumed>) = 0 [pid 4872] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4868] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4873] <... futex resumed>) = 1 [pid 4870] <... futex resumed>) = 0 [pid 4873] mount(NULL, "./config", "configfs", 0, NULL [pid 4870] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4872] <... symlinkat resumed>) = 0 [pid 4870] <... futex resumed>) = 0 [pid 4872] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4870] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4872] <... futex resumed>) = 1 [pid 4868] <... futex resumed>) = 0 [pid 4872] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4868] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4872] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4868] <... futex resumed>) = 0 [pid 4872] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4868] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4873] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4872] <... unlinkat resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 4873] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4872] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4873] <... futex resumed>) = 1 [pid 4872] <... futex resumed>) = 1 [pid 4870] <... futex resumed>) = 0 [pid 4868] <... futex resumed>) = 0 [pid 4873] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4872] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4870] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4868] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4873] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4872] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4870] <... futex resumed>) = 0 [pid 4868] <... futex resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4873] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4872] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4870] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4868] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 4874 attached ci2-android-5-15/strace-static-x86_64: Process 4875 attached [pid 4873] <... futex resumed>) = 0 [pid 4872] <... unlinkat resumed>) = 0 [pid 4870] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4874] set_robust_list(0x7f85c0c359a0, 24 [pid 4873] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4872] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4870] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... clone resumed>, child_tidptr=0x5555810c5750) = 4875 [pid 4874] <... set_robust_list resumed>) = 0 [pid 4873] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4872] <... futex resumed>) = 1 [pid 4870] <... futex resumed>) = 0 [pid 4868] <... futex resumed>) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 4874] rt_sigprocmask(SIG_SETMASK, [] [pid 4873] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4872] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4870] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4868] exit_group(0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4874] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4873] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4872] <... futex resumed>) = ? [pid 4868] <... exit_group resumed>) = ? [pid 4874] mkdirat(AT_FDCWD, "./config", 0777 [pid 4873] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4872] +++ exited with 0 +++ [pid 4874] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4873] <... futex resumed>) = 1 [pid 4874] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4873] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4874] <... futex resumed>) = 1 [pid 4871] <... futex resumed>) = 0 [pid 4874] mount(NULL, "./config", "configfs", 0, NULL [pid 4871] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4874] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4871] <... futex resumed>) = 0 [pid 4868] +++ exited with 0 +++ [pid 4874] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4871] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4870] <... futex resumed>) = 0 [pid 4874] <... futex resumed>) = 0 [pid 4871] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4874] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4871] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4870] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4868, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4874] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4873] <... futex resumed>) = 0 [pid 4871] <... futex resumed>) = 0 [pid 4870] <... futex resumed>) = 1 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4875] set_robust_list(0x5555810c5760, 24 [pid 4874] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4873] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4871] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4875] <... set_robust_list resumed>) = 0 [pid 4874] <... futex resumed>) = 0 [pid 4873] <... mkdirat resumed>) = 0 [pid 4871] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4870] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4874] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4873] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4871] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4870] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4874] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4873] <... futex resumed>) = 0 [pid 4871] <... futex resumed>) = 0 [pid 4874] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4873] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4871] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4870] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4875] rt_sigprocmask(SIG_SETMASK, [] [pid 4874] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4873] <... symlinkat resumed>) = 0 [pid 4870] <... futex resumed>) = 0 [pid 4875] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4874] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4873] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... restart_syscall resumed>) = 0 [pid 4870] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4874] <... futex resumed>) = 1 [pid 4873] <... futex resumed>) = 0 [pid 4871] <... futex resumed>) = 0 [pid 4870] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4875] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4874] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4873] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4871] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4870] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4875] <... prctl resumed>) = 0 [pid 4874] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4873] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4871] <... futex resumed>) = 0 [pid 4870] <... futex resumed>) = 0 [pid 4875] setpgid(0, 0 [pid 4874] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4873] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4871] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4870] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4875] <... setpgid resumed>) = 0 [pid 4874] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4873] <... unlinkat resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4874] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4873] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4874] <... futex resumed>) = 1 [pid 4873] <... futex resumed>) = 1 [pid 4871] <... futex resumed>) = 0 [pid 4870] <... futex resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4874] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4873] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4871] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4874] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4871] <... futex resumed>) = 0 [pid 4874] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4871] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4874] <... symlinkat resumed>) = 0 [pid 4874] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4871] <... futex resumed>) = 0 [pid 4874] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4871] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4870] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... clone resumed>, child_tidptr=0x5555810c5750) = 4877 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4876 [pid 4875] <... openat resumed>) = 3 [pid 4874] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4873] <... futex resumed>) = 0 [pid 4871] <... futex resumed>) = 0 [pid 4870] <... futex resumed>) = 1 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 4875] write(3, "1000", 4 [pid 4874] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4873] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4871] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4870] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 4877 attached [pid 4875] <... write resumed>) = 4 [pid 4874] <... unlinkat resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4874] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4871] <... futex resumed>) = 0 [pid 4874] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4873] <... unlinkat resumed>) = 0 [pid 4871] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4875] close(3 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4874] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4873] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4871] <... futex resumed>) = 0 [pid 4875] <... close resumed>) = 0 [pid 4874] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4873] <... futex resumed>) = 1 [pid 4871] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4870] <... futex resumed>) = 0 [pid 4877] set_robust_list(0x5555810c5760, 24 [pid 4875] write(1, "executing program\n", 18 [pid 4874] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4873] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4870] exit_group(0 [pid 4875] <... write resumed>) = 18 [pid 4874] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4876 attached [pid 4875] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4874] <... futex resumed>) = 1 executing program [pid 4873] <... futex resumed>) = ? [pid 4871] <... futex resumed>) = 0 [pid 4870] <... exit_group resumed>) = ? [pid 4877] <... set_robust_list resumed>) = 0 [pid 4876] set_robust_list(0x5555810c5760, 24 [pid 4875] <... futex resumed>) = 0 [pid 4874] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4873] +++ exited with 0 +++ [pid 4871] exit_group(0 [pid 4876] <... set_robust_list resumed>) = 0 [pid 4874] <... futex resumed>) = ? [pid 4871] <... exit_group resumed>) = ? [pid 4877] rt_sigprocmask(SIG_SETMASK, [] [pid 4876] rt_sigprocmask(SIG_SETMASK, [] [pid 4875] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4874] +++ exited with 0 +++ [pid 4871] +++ exited with 0 +++ [pid 4870] +++ exited with 0 +++ [pid 4875] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4876] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4870, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4875] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4871, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4875] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4875] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4876] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4875] <... mmap resumed>) = 0x7f85c0c15000 [pid 4876] <... prctl resumed>) = 0 [pid 4875] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4876] setpgid(0, 0 [pid 4875] <... mprotect resumed>) = 0 [pid 4877] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4876] <... setpgid resumed>) = 0 [pid 4875] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4877] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4875] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4877] <... prctl resumed>) = 0 [pid 4876] <... openat resumed>) = 3 [pid 4875] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 306] <... restart_syscall resumed>) = 0 [pid 4876] write(3, "1000", 4 [pid 4877] setpgid(0, 0 [pid 4876] <... write resumed>) = 4 [pid 4876] close(3 [pid 4875] <... clone3 resumed> => {parent_tid=[4878]}, 88) = 4878 [pid 4877] <... setpgid resumed>) = 0 [pid 4875] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4875] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4875] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4875] <... futex resumed>) = 0 [pid 4876] <... close resumed>) = 0 [pid 4876] write(1, "executing program\n", 18) = 18 [pid 4876] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4876] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4875] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... clone resumed>, child_tidptr=0x5555810c5750) = 4879 [pid 4876] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4877] <... openat resumed>) = 3 executing program [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4876] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4877] write(3, "1000", 4 [pid 4876] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4877] <... write resumed>) = 4 [pid 4876] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85c0c15000 [pid 4876] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITEci2-android-5-15/strace-static-x86_64: Process 4879 attached [pid 4877] close(3 [pid 4876] <... mprotect resumed>) = 0 [pid 4876] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4876] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} => {parent_tid=[4880]}, 88) = 4880 [pid 4879] set_robust_list(0x5555810c5760, 24 [pid 4877] <... close resumed>) = 0 [pid 4876] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4876] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4876] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4878 attached [pid 4878] set_robust_list(0x7f85c0c359a0, 24 [pid 4877] write(1, "executing program\n", 18 [pid 4878] <... set_robust_list resumed>) = 0 [pid 4877] <... write resumed>) = 18 [pid 4878] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 4877] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4878] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4877] <... futex resumed>) = 0 [pid 4878] mkdirat(AT_FDCWD, "./config", 0777 [pid 4877] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4878] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4877] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4878] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4877] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4878] <... futex resumed>) = 1 [pid 4877] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4875] <... futex resumed>) = 0 [pid 4877] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4875] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4878] mount(NULL, "./config", "configfs", 0, NULL [pid 4875] <... futex resumed>) = 0 [pid 4877] <... mmap resumed>) = 0x7f85c0c15000 [pid 4875] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4877] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4878] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4877] <... mprotect resumed>) = 0 [pid 4878] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4877] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4875] <... futex resumed>) = 0 [pid 4879] <... set_robust_list resumed>) = 0 [pid 4878] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4877] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4875] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4877] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4875] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4880 attached [pid 4875] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4880] set_robust_list(0x7f85c0c359a0, 24 [pid 4879] rt_sigprocmask(SIG_SETMASK, [] [pid 4878] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4877] <... clone3 resumed> => {parent_tid=[4881]}, 88) = 4881 [pid 304] <... restart_syscall resumed>) = 0 [pid 4879] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4877] rt_sigprocmask(SIG_SETMASK, [] [pid 4878] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4877] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4877] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4877] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4877] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4879] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4878] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4880] <... set_robust_list resumed>) = 0 [pid 4880] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4880] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4880] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4876] <... futex resumed>) = 0 [pid 4876] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4876] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4880] <... futex resumed>) = 1 [pid 4880] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 4879] <... prctl resumed>) = 0 [pid 4878] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4879] setpgid(0, 0 [pid 304] <... clone resumed>, child_tidptr=0x5555810c5750) = 4882 [pid 4879] <... setpgid resumed>) = 0 [pid 4878] <... futex resumed>) = 1 [pid 4875] <... futex resumed>) = 0 [pid 4875] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 4878] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4875] <... futex resumed>) = 0 [pid 4879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4878] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4875] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4878] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4880] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4879] <... openat resumed>) = 3 [pid 4878] <... futex resumed>) = 1 [pid 4875] <... futex resumed>) = 0 [pid 4880] <... futex resumed>) = 1 [pid 4879] write(3, "1000", 4 [pid 4878] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4876] <... futex resumed>) = 0 [pid 4875] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4880] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4876] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4875] <... futex resumed>) = 0 [pid 4880] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4879] <... write resumed>) = 4 [pid 4878] <... mkdirat resumed>) = 0 [pid 4876] <... futex resumed>) = 0 [pid 4875] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4880] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4876] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4880] <... futex resumed>) = 0 [pid 4879] close(3 [pid 4878] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4876] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4880] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4876] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4880] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4876] <... futex resumed>) = 0 [pid 4880] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4876] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4880] <... futex resumed>) = 0 [pid 4876] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4880] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4876] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4882 attached [pid 4880] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4879] <... close resumed>) = 0 [pid 4878] <... futex resumed>) = 1 [pid 4876] <... futex resumed>) = 0 [pid 4875] <... futex resumed>) = 0 [pid 4880] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4876] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4875] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4880] <... futex resumed>) = 0 [pid 4879] write(1, "executing program\n", 18 [pid 4878] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4876] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4875] <... futex resumed>) = 0 [pid 4880] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4876] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4879] <... write resumed>) = 18 [pid 4875] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4880] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4879] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4878] <... symlinkat resumed>) = 0 executing program [pid 4876] <... futex resumed>) = 0 [pid 4880] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4876] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4881 attached [pid 4880] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4881] set_robust_list(0x7f85c0c359a0, 24 [pid 4880] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4881] <... set_robust_list resumed>) = 0 [pid 4880] <... futex resumed>) = 1 [pid 4876] <... futex resumed>) = 0 [pid 4882] set_robust_list(0x5555810c5760, 24 [pid 4881] rt_sigprocmask(SIG_SETMASK, [] [pid 4880] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4879] <... futex resumed>) = 0 [pid 4878] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4876] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4882] <... set_robust_list resumed>) = 0 [pid 4881] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4880] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4879] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4878] <... futex resumed>) = 1 [pid 4876] <... futex resumed>) = 0 [pid 4875] <... futex resumed>) = 0 [pid 4882] rt_sigprocmask(SIG_SETMASK, [] [pid 4881] mkdirat(AT_FDCWD, "./config", 0777 [pid 4880] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4879] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 4878] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4876] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4875] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4882] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4881] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4880] <... unlinkat resumed>) = 0 [pid 4879] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4878] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4875] <... futex resumed>) = 0 [pid 4881] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4880] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4879] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4878] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4875] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4882] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4881] <... futex resumed>) = 1 [pid 4880] <... futex resumed>) = 1 [pid 4879] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4877] <... futex resumed>) = 0 [pid 4876] <... futex resumed>) = 0 [pid 4882] <... prctl resumed>) = 0 [pid 4881] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4880] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4879] <... mmap resumed>) = 0x7f85c0c15000 [pid 4878] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4877] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4876] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4882] setpgid(0, 0 [pid 4881] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4880] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4879] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 4878] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4877] <... futex resumed>) = 0 [pid 4876] <... futex resumed>) = 0 [pid 4882] <... setpgid resumed>) = 0 [pid 4881] mount(NULL, "./config", "configfs", 0, NULL [pid 4880] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4879] <... mprotect resumed>) = 0 [pid 4878] <... futex resumed>) = 1 [pid 4877] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4876] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4875] <... futex resumed>) = 0 [pid 4882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4881] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4880] <... unlinkat resumed>) = 0 [pid 4879] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4878] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4875] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4882] <... openat resumed>) = 3 [pid 4881] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4880] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4879] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4878] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4875] <... futex resumed>) = 0 [pid 4882] write(3, "1000", 4 [pid 4881] <... futex resumed>) = 1 [pid 4880] <... futex resumed>) = 1 [pid 4879] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 4878] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4877] <... futex resumed>) = 0 [pid 4876] <... futex resumed>) = 0 [pid 4875] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4882] <... write resumed>) = 4 [pid 4881] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4880] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4876] exit_group(0 [pid 4877] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4882] close(3 [pid 4881] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4880] <... futex resumed>) = ? [pid 4879] <... clone3 resumed> => {parent_tid=[4883]}, 88) = 4883 [pid 4878] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4877] <... futex resumed>) = 0 [pid 4876] <... exit_group resumed>) = ? [pid 4882] <... close resumed>) = 0 [pid 4881] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4880] +++ exited with 0 +++ [pid 4879] rt_sigprocmask(SIG_SETMASK, [] [pid 4878] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4877] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4876] +++ exited with 0 +++ [pid 4882] write(1, "executing program\n", 18 [pid 4881] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4879] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4878] <... futex resumed>) = 1 [pid 4875] <... futex resumed>) = 0 executing program [pid 4882] <... write resumed>) = 18 [pid 4881] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4879] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4878] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4875] exit_group(0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4876, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4882] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4881] <... futex resumed>) = 1 [pid 4879] <... futex resumed>) = 0 [pid 4878] <... futex resumed>) = ? [pid 4877] <... futex resumed>) = 0 [pid 4875] <... exit_group resumed>) = ? [pid 4882] <... futex resumed>) = 0 [pid 4881] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4879] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4878] +++ exited with 0 +++ [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4877] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 4883 attached [pid 4883] set_robust_list(0x7f85c0c359a0, 24) = 0 [pid 4883] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4883] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 4875] +++ exited with 0 +++ [pid 4877] <... futex resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4875, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4882] rt_sigaction(SIGRT_1, {sa_handler=0x7f85c0c69150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85c0c43110} [pid 4881] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4877] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4882] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 305] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4882] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 4881] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4882] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4882] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4881] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4882] <... mmap resumed>) = 0x7f85c0c15000 [pid 4881] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4882] mprotect(0x7f85c0c16000, 131072, PROT_READ|PROT_WRITE [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4882] <... mprotect resumed>) = 0 [pid 4881] <... futex resumed>) = 1 [pid 4877] <... futex resumed>) = 0 [pid 4883] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4879] <... futex resumed>) = 0 [pid 4879] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4883] <... futex resumed>) = 1 [pid 4879] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4877] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4883] mount(NULL, "./config", "configfs", 0, NULL [pid 4882] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4881] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4877] <... futex resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x5555810c5750) = 4884 [pid 4882] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4877] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4882] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85c0c35990, parent_tid=0x7f85c0c35990, exit_signal=0, stack=0x7f85c0c15000, stack_size=0x20240, tls=0x7f85c0c356c0} [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 4883] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 4881] <... mkdirat resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4882] <... clone3 resumed> => {parent_tid=[4885]}, 88) = 4885 [pid 4881] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4882] rt_sigprocmask(SIG_SETMASK, [] [pid 4881] <... futex resumed>) = 1 [pid 4877] <... futex resumed>) = 0 [pid 4882] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4881] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4877] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4882] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4881] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4877] <... futex resumed>) = 0 [pid 4882] <... futex resumed>) = 0 [pid 4881] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4877] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4882] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4883] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4881] <... symlinkat resumed>) = 0 [pid 4883] <... futex resumed>) = 1 [pid 4881] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4879] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 4885 attached [pid 4883] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4881] <... futex resumed>) = 1 [pid 4879] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 4877] <... futex resumed>) = 0 [pid 4883] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4881] futex(0x7f85c0d05b28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4879] <... futex resumed>) = 0 [pid 4877] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... restart_syscall resumed>) = 0 [pid 4883] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4881] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4879] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4877] <... futex resumed>) = 0 [pid 4885] set_robust_list(0x7f85c0c359a0, 24 [pid 4883] <... futex resumed>) = 0 [pid 4881] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4879] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4877] futex(0x7f85c0d05b2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 4884 attached [pid 4883] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4881] <... unlinkat resumed>) = 0 [pid 4879] futex(0x7f85c0d05b28, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4885] <... set_robust_list resumed>) = 0 [pid 4884] set_robust_list(0x5555810c5760, 24 [pid 4883] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4881] futex(0x7f85c0d05b2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4879] <.